US Pat. No. 9,532,479

INPUT/OUTPUT MODULE

YOKOGAWA ELECTRIC CORPORA...

1. An input/output module which is configured to achieve at least one of a function of acquiring a measurement signal from
a measurement target and a function of outputting data, the input/output module comprising:
a casing;
a first positioning rib and a second positioning rib disposed on right and left surfaces of the casing, respectively, the
input/output module being pushed into a slot having an upper inner surface and a lower inner surface to get connected;

a rotational connector disposed on the casing, the rotational connector comprising an arc-shaped notch, the rotational connector
being configured to interlock with a connection mechanism of a base to serve as a rotation point so that the input/output
module is rotatable to get connected to the base; and

a latch-shaped fixer configured to fit into a groove formed in at least one of the upper inner surface and the lower inner
surface when the input/output module is pushed into the slot to get connected,

wherein each of the first positioning rib and the second positioning rib comprises a first region which has a first height
and functions as a positioner in right and left directions when thicknesses of guide walls formed to the right and left of
the slot do not vary, and a second region which has a second height higher than the first height and functions as a positioner
in the right and left directions when the thicknesses of the guide walls are narrowed in an opening direction of the slot.

US Pat. No. 9,373,506

METHOD FOR TREATING SURFACE OF DIAMOND THIN FILM, METHOD FOR FORMING TRANSISTOR, AND SENSOR DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A method for forming a transistor, comprising:
forming a diamond thin film;
exposing at least a part of a surface of the diamond thin film to a fluorine gas or a fluorine-based gas without carbon to
substitute part of hydrogen-terminals of the diamond thin film with fluorine-terminals in the absence of a deposition process
of a fluorocarbon deposition film on the surface of the diamond thin film; and

forming a gate on the part of the surface of the diamond thin film.

US Pat. No. 9,468,124

STAND ALONE INPUT/OUTPUT MODULE COMMONLY USABLE TO RECORDER AND DATA LOGGER

YOKOGAWA ELECTRIC CORPORA...

1. An input/output module which is commonly usable to a recorder and a data logger, the input/output module comprising:
an input/output unit configured to achieve at least one of a function of acquiring a measurement signal from a measurement
target and a function of outputting data; and

a power unit configured to supply an operation voltage to the input/output unit, the power unit comprising an insulated power
device,

the power unit being configured to use a voltage, which has been converted by the insulated power device from a power supply
voltage, as an operation voltage when the input/output module is connected with a base of the data logger and the power unit
receives a power voltage supply via the base, and

the power unit being configured to use a power supply voltage as the operation voltage, when the input/output module is connected
with the recorder and the power unit receives the power voltage supply from the recorder.

US Pat. No. 9,521,773

ELECTRONIC DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. An electronic device comprising:
a base plate;
a plurality of modules detachably fitted and connected to the base plate;
a plurality of mounting members configured to detachably mount the base plate to a DIN rail; and
an operation lever provided on the base plate and configured to be engaged with the mounting members and to be operable from
a front surface of the base plate,

wherein when the operation lever is operated, an engaged state between the mounting members and the DIN rail is released;
wherein the base plate comprises a first recess portion which is formed in a longitudinal direction and in which the DIN rail
is fitted, a second recess portion formed in the longitudinal direction in parallel with the first recess portion, and third
recess portions, formed to be orthogonal to the first recess portion and the second recess portion, provided in a back surface
of the base plate,

wherein the plurality of modules are detachably fitted and connected to a front surface of the base plate,
wherein the plurality of mounting members are configured to be slidably fitted in the third recess portions of the base plate,
wherein the DIN rail is configured to be fitted in the first recess portion,
wherein the operation lever is configured to be slidably fitted in the second recess portion of the base plate,
wherein when the operation lever is operated by being pulled from the predetermined position of the second recess portion,
the mounting members are slid on the third recess portions so as to move away from the DIN rail.

US Pat. No. 9,128,734

MENU SCREEN FOR AN OPERATION MONITORING APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. An operation monitoring apparatus of a process control system comprising:
an object file holding means for holding a plurality of individual menu definition files each separately registered under
unique object names, respectively, each having menu items defined on an object-by-object basis, in an object displayed on
an operation-monitoring screen, the object being a target for display on a right click menu screen;

a retrieval means for acquiring information on the object name of the object subjected to right click on the operation-monitoring
screen, and retrieving the object file holding means, thereby extracting the individual menu definition file registered under
the object name; and

a screen display means for acquiring information on the individual menu definition file as extracted, and displaying the right
click menu screen on the operation-monitoring screen,

wherein the individual menu definition file is unique to the target object, and the target object is a data file,
wherein the object file holding means holds a common menu definition file in common with a plurality of objects as targets
for display on the right click menu screen,

wherein the common menu definition file is registered under a file name that has a unique identification data, the file name
is embedded and described in the individual menu definition file, and the retrieval means extracts the common menu definition
file on the basis of the file name, and

wherein the right click menu screen is modifiable by editing the common menu definition file.

US Pat. No. 9,109,977

OPTICAL FIBER CHARACTERISTICS MEASUREMENT DEVICE AND METHOD

THE UNIVERSITY OF TOKYO, ...

1. An optical fiber characteristics measurement device comprising:
a light source configured to emit a laser light modulated by a prescribed modulation frequency;
a light inputting means configured to cause the laser light from the light source to enter one end and another end of an optical
fiber as continuous light and pulse light, respectively; and

a light detector configured to detect light exiting from the optical fiber, and to measure a characteristic of the optical
fiber by using a detection result of the light detector,

characterized in that the optical fiber characteristics measurement device comprises:
a synchronous detection device configured to separate out, of a detection signal output from the light detector, a detection
signal obtained by detecting light in the vicinity of a measurement point set in the optical fiber, and to detect synchronously
a detection signal separated out by using a synchronization signal having a prescribed period,

wherein the synchronous detection device comprises:
an inverter configured to output an inverted signal that is the detection signal output from the light detector, with the
polarity thereof inverted;

a non-inverter configured to output a non-inverted signal that is the detection signal output from the light detector, with
the polarity thereof not inverted;

a switching unit configured to separate out by alternately outputting the inverted signal output from the inverter and the
non-inverted signal output from the non-inverter at a timing of the output from the light detector of a detection signal obtained
by detecting light in the vicinity of the measurement point set in the optical fiber; and

a lowpass filter configured to filter a signal output from the switching unit.

US Pat. No. 9,081,186

MICROSCOPE DEVICE FOR GENERATING IMAGES OF A SPECIMEN USING PHASE DISTRIBUTION OF LIGHT

YOKOGAWA ELECTRIC CORPORA...

1. A microscope device comprising:
a light source configured to oscillate a coherent illuminating light, the illuminating light being applied on a specimen;
a detecting unit configured to detect a fluorescent light from the specimen as a feedback light, the specimen being irradiated
with the illuminating light;

a phase distribution control unit disposed in an optical path of the illuminating light, the phase distribution control unit
being configured to control a phase distribution of the illuminating light;

a controller configured to control the phase distribution control unit to vary the phase distribution; and
an image generating unit configured to operate a difference of the feedback light between before and after the phase distribution
varies, to generate an image of the specimen.

US Pat. No. 9,084,067

METHOD OF MANUFACTURING RESONANT TRANSDUCER

YOKOGAWA ELECTRIC CORPORA...

1. A method of manufacturing a resonant transducer having a vibration beam, the method comprising:
(a) providing an SOI substrate comprising: a first silicon layer; a silicon oxide layer on the first silicon layer; and a
second silicon layer on the silicon oxide layer;

(b) forming a first gap and second gap through the second silicon layer by etching the second silicon layer using the silicon
oxide layer as an etching stop layer;

(c) forming an impurity diffusion source layer on the second silicon layer, wherein the impurity diffusion source layer is
configured to diffuse impurity into the second silicon layer;

(d) forming an impurity diffused layer in a surface portion of the second silicon layer by diffusing the impurity from the
impurity diffusion source layer through heat treatment for the SOI substrate;

(e) removing the impurity diffusion source layer through etching; and
(f) removing at least a portion of the silicon oxide layer through etching such that an air gap is formed between the first
silicon layer and a region of the second silicon layer surrounded by the first and second gaps, wherein the region of the
second silicon layer surrounded by the first and second gaps serves as the vibration beam,

wherein the impurity diffusion source layer is formed directly on the second silicon layer.

US Pat. No. 9,229,871

CACHE DEVICE, COMMUNICATION APPARATUS, AND COMPUTER PROGRAM PRODUCT

YOKOGAWA ELECTRIC CORPORA...

1. A cache device comprising:
a first storage unit configured to store first cache data;
a second storage unit configured to store a cache file that stores copy of the first cache data as second cache data;
a reading unit configured to select and read out one of the first cache data, which has been stored in the first storage unit,
and the second cache data, which has been stored in the cache file stored in the second storage unit, in response to a reference
request from outside; and

an instructing unit configured to determine probability of expecting future referencing request based on the frequency of
past referencing requests, the instructing unit being configured to instruct that either the first cache data or the second
cache data is to be selected and read out based on the probability, the instructing unit being configured to calculate a probability
P(t) of future referencing request expected at a time t in a future from a current point in time based on a following Equation
(1):

P(t)=1?exp(??×t)  (1)
wherein an average number of past referencing events per unit time is ?.

US Pat. No. 9,083,505

MANCHESTER CODE RECEIVING CIRCUIT

YOKOGAWA ELECTRIC CORPORA...

1. A Manchester code receiving circuit comprising:
an analog circuit configured to convert an analog signal received through a communication transmission path, to a digital
signal based on a Manchester code; and

a characteristic compensating unit configured to compensate at least one of rise delay characteristics in which a rising time
of the digital signal is longer than a falling time, and fall delay characteristics in which the falling time of the digital
signal is longer than the rising time,

wherein the characteristic compensating unit includes a characteristic-based control element storing module configured to
store a characteristic-based control element, and is configured to execute a clock extracting operation based on the characteristic-based
control element which is read out from the characteristic-based control element storing module.

US Pat. No. 9,170,194

MATERIAL PROPERTY MEASURING APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. A material property measuring apparatus comprising:
a radiation source irradiator configured to irradiate a measurement target material with radiation beams having n different
wavelengths;

a detector configured to detect intensities of radiation beams having the respective wavelengths after the irradiation of
the measurement target material; and

a processing unit configured to correct the detected intensity of the radiation beam having at least a part of the respective
wavelengths using a correction coefficient in which rows and columns are respectively represented by a matrix of an order
of n or less, and to calculate an index value indicating a property of the measurement target material on the basis of relative
intensities of the radiation beams having the respective wavelengths after the correction, wherein

the processing unit converts the calculated index value into a property value by referring to a calibration curve which correlates
the index value with the property value, after the calculation of the index value,

the correction coefficient is determined so that the degree of coincidence between calibration curves for a plurality of kinds
of the measurement target material satisfies a certain criterion, and

the calibration curve to be used for actual measurement is one calibration curve which is common to the plurality of kinds
of the measurement target material.

US Pat. No. 9,360,665

CONFOCAL OPTICAL SCANNER

YOKOGAWA ELECTRIC CORPORA...

1. A confocal optical scanner for a microscope comprising an optical filter, the optical filter comprising:
a plate-shaped body including a first surface and a second surface opposite to the first surface, the first surface having
a plurality of pinholes; and

a plurality of first microlenses on the second surface, the first microlenses being disposed nearly coaxially with the pinholes,
respectively,

wherein the optical filter is configured to increase a numerical aperture of light input from a specimen and to output the
light having the increased numerical aperture.

US Pat. No. 9,331,849

INFORMATION SETTING METHOD AND WIRELESS COMMUNICATION SYSTEM

Yokogawa Electric Corpora...

1. An information setting method for a setting device, comprising:
obtaining a first certificate and identification information from a wireless device to be caused to join a wireless network
managed by a management device, the first certificate certifying that the wireless device is a formal wireless device, the
first certificate including a first public key, the identification information being information that identifies the wireless
device, and the first certificate and the identification information being stored in the wireless device;

obtaining a second certificate from the management device, the second certificate certifying that the management device is
a formal management device, and the second certificate including a second public key;

encoding, using the first public key, apparatus information required for the wireless device to join the wireless network;
outputting the encoded apparatus information to the wireless device;
encoding, using the second public key, management information including the apparatus information and the identification information
associated with the apparatus information; and

outputting the encoded management information to the management device,
wherein encoding the apparatus information comprises:
obtaining encoding instruction information that specifies a part of the apparatus information to be encoded; and
encoding the part of the apparatus information.

US Pat. No. 9,255,861

METHOD OF MEASURING OPTICAL LOSS AND APPARATUS FOR MEASURING OPTICAL LOSS

Yokogawa Electric Corpora...

1. A method of measuring an optical loss, comprising:
storing a predetermined fixed power level value in an optical loss measuring apparatus and in an optical power meter;
inputting light outputted from a light source in the optical loss measuring apparatus to a first end portion of a target for
measurement;

setting an output level of the light source in the optical loss measuring apparatus to the predetermined fixed power level
value;

setting the predetermined fixed power level value in the optical power meter as a reference power value;
measuring a measured power value of an output level of a second end portion of the target for measurement with the optical
power meter; and

determining an optical loss occurring to the target for measurement on the basis of a difference between the reference power
value and the measured power value of the output level of the second end portion of the target for measurement in the optical
power meter,

wherein the output level of the light source is maintained at the predetermined fixed power level value, and the optical loss
occurring to the target for measurement is found on the basis of the output level of the light source maintained at the predetermined
fixed power level value used as the reference power value in the optical power meter,

wherein the light is transmitted from the first end portion of the target for measurement to the second end portion of the
target for measurement along a direction of the target for measurement, and

wherein the light source and a light receiving section in the optical loss measuring apparatus are connected to each other
by the target for measurement, the light source emitting the light, and the light receiving section receiving the light outputted
from the light source and measuring the output level, so a driving signal for the light source is adjusted to set the output
level of the light source to the predetermined fixed power level value.

US Pat. No. 9,130,849

COMMUNICATION RESOURCE ASSIGNMENT SYSTEM FOR DISTRIBUTING RESOURCE ASSIGNMENT INFORMATION TO NETWORKED MANAGEMENT TARGET DEVICES

YOKOGAWA ELECTRIC CORPORA...

1. A communication resource assignment system in which a plurality of management target devices, which are connected to a
network and perform communication with each other, request a communication resource distribution system to distribute communication
resources via the network, the communication resource assignment system comprising:
a communication resource assignment tool that includes a communication resource assignment algorithm that receives previously
acquired user information, and outputs resource assignment information calculated by the communication resource assignment
algorithm;

a resource assignment state managing unit that receives and stores the resource assignment information output from the communication
resource assignment tool; and

a communication resource distributing unit that accesses the resource assignment state managing unit, reads the resource assignment
information, and transmits the read resource assignment information to a management target device that outputs a communication
resource request among a plurality of management target devices that perform communication with each other via a network,
the communication resource distributing unit being separate from the communication resource assignment tool,

wherein the communication resource distribution system is configured to access and read communication resource assignment
information stored in the resource assignment state managing unit, and to transmit the read communication resource assignment
information to the management target devices that have made a request,

wherein the communication resource distribution system includes a communication environment change detecting unit configured
to detect a communication environment difference between the resource assignment information stored in the resource assignment
state managing unit and current resource assignment information of the management target device acquired via the network,

wherein the communication resource assignment tool includes a communication environment difference input unit configured to
acquire the communication environment difference and to revise the communication resource assignment algorithm, and

wherein the communication resource assignment algorithm calculates the resource assignment information by considering a change
difference of the communication environment difference.

US Pat. No. 9,288,289

PORTABLE DEVICE MAINTENANCE SUPPORT APPARATUS, SYSTEM, AND METHOD

Yokogawa Electric Corpora...

1. A portable device maintenance support apparatus used for a maintenance and an inspection of a hybrid communication network,
a network communication of the hybrid communication network being performed based on a plurality of protocols, the network
communication being performed by a compound signal in which a digital signal including at least a device information is superimposed
with an analog signal, the network communication being performed between a field device and an upstream system, the portable
device maintenance support apparatus comprising:
one set of terminals for connecting to the hybrid communication network, the one set of terminals being common to the plurality
of protocols;

a plurality of communication modems configured to be used in the network communication with the field device;
a signal processing unit configured to analyze a frequency of the compound signal, and judge a standard type of at least one
of the plurality of protocols, the judgement being made based on a result of the analysis;

a selector configured to switch a connection between the one set of terminals and the plurality of communication modems, the
switch being made based on a result of the judgement by the signal processing unit; and

a barrier circuit configured to be connected to the one set of terminals and limit an input or output energy via the one set
of terminals so as not to reach an ignition energy, the barrier circuit comprising first to fourth resistances and first and
second diodes, the first and second resistances being connected in series with one of the one set of terminals, the third
and fourth resistances being connected in series with another of the one set of terminals, the first and second diodes being
connected in parallel, with mutually opposite orientations, between the first and second resistances and the third and fourth
resistances.

US Pat. No. 9,244,003

ALIGNMENT FLANGE MOUNTED OPTICAL WINDOW FOR A LASER GAS ANALYZER

YOKOGAWA ELECTRIC CORPORA...

1. A laser analyzer for performing measurements on a substance inside a chamber, comprising:
a launch unit comprising a diode laser that irradiates the substance with laser light;
a detect unit comprising a light receiving element that detects the laser light having passed through the substance; and
an alignment unit for removably connecting one of the launch unit or detect unit to the chamber, wherein the alignment unit
comprises:

a first alignment flange that attaches to the chamber;
a second alignment flange that attaches to the one of the launch unit or detect unit;
an alignment stud for adjusting horizontal and vertical alignment of the second alignment flange;
an optical window that keeps the chamber closed when the one of the launch unit or detect unit is removed from the chamber;
and

a sealing member provided between the second alignment flange and the optical window.

US Pat. No. 9,450,816

PROVISIONING DEVICE, AND METHOD OF SETTING NETWORK PARAMETER IN PROVISIONING NETWORK

YOKOGAWA ELECTRIC CORPORA...

1. A provisioning device comprising:
a router advertisement transmitter that selects a field device to be provisioned among field devices located within a router
advertisement zone of the provisioning device, the router advertisement transmitter generating a router advertisement frame
that includes a router advertisement and a medium access control (MAC) sub-layer header that designates a starting point address,
which is a transmission source of the router advertisement, and an ending point address, which is a transmission destination
of the router advertisement, the router advertisement transmitter transmitting the router advertisement frame to the selected
field device in a unicast mode using an address associated with network parameters of the selected field device as the ending
point address of the router advertisement frame;

a connection controller that controls a connection to a provisioning network of the field device that has received the router
advertisement frame; and

a parameter setter that performs setting of the network parameters of the field device that has received the router advertisement
frame via the provisioning network so that the field device that has received the router advertisement frame can be connected
to a target network that is separated from the provisioning network.

US Pat. No. 9,385,702

I/O MODULE

YOKOGAWA ELECTRIC CORPORA...

1. An input/output (I/O) module configured to connect a controller and a field device, the I/O module comprising:
a PWM (pulse width modulation) demodulator configured to demodulate a PWM signal that is input from the controller;
a current source configured to output a current based on an output signal of the PWM demodulator to the field device;
a resistance connected in line with the current source, and
a feedback circuit configured to feed back an output current of the current source to the PWM demodulator via the controller.

US Pat. No. 9,116,353

MICROSCOPE DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A microscope device, comprising:
a laser beam source that outputs illumination rays;
a modulator disposed in front of the laser beam source and configured to separate the illumination rays output from the laser
beam source into at least two portions, and to modulate at least one of the at least two portions of the illumination rays;

objective lenses disposed ahead of the modulator and configured to guide the at least two portions of the illumination rays
such that respective optical paths overlap each other on a specimen;

a detection means for detecting feedback light rays generated by interference light occurring in a region where the respective
optical paths overlap each other; and

a control device configured to receive a signal from the detection means and control the modulator, wherein
the specimen is irradiated with the at least two portions of the illumination rays,
the detection means detects the feedback light rays emitted from the specimen based on the at least two portions of the illumination
rays,

optical paths of the at least two portions of the illumination rays between the respective objective lenses and a focal point
are separated from each other so as not to overlap each other,

the feedback light rays are fluorescent rays, and the detection means detects the fluorescent rays generated by the interference
light,

the detecting means comprises an optical detector and a band-pass filter,
a signal is delivered to the band-pass filter from the optical detector, and
modulations at given frequencies differing from each other are applied to at least two portions of the illumination rays,
and intensity modulation varying at a sum of, or a difference between at least two frequencies is induced by the interference
light occurring at a focal point on the specimen.

US Pat. No. 9,100,830

WIRELESS COMMUNICATION SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A wireless communication system for communicating via a wireless communication network, comprising:
a setting device configured to create a first information needed for joining a wireless device into the wireless communication
network and set the first information in the wireless device to be joined into the wireless communication network, the setting
device being configured to create setting information that correlates the first information with a second information containing
at least one of information indicating a method of setting the first information and information indicating an operator who
performed an operation of setting the first information; and

a management device configured to select the wireless device, which is to be joined into the wireless communication network,
by using the setting information that has been created by the setting device, wherein

the second information includes time information indicating a time at which the first information is set in the wireless device,
and

the management device is configured to use the setting information including the newest of the time information if there is
a plurality of the setting information for a single wireless device.

US Pat. No. 9,400,666

FAULT TOLERANT SYSTEM AND METHOD FOR PERFORMING FAULT TOLERANT

YOKOGAWA ELECTRIC CORPORA...

1. A fault tolerant system, comprising:
a primary virtual machine that is formed on a primary machine, which has one or more associated devices, in which a primary
hypervisor runs, and automatically performs the steps of:

inputting a virtual interrupt based on an external interrupt from the primary hypervisor to a primary guest OS; and
transmitting timing information on the virtual interrupt to a secondary virtual machine that is formed on a secondary machine,
which has one or more associated devices, in which a secondary hypervisor runs, and inputs the virtual interrupt to a secondary
guest OS on the basis of timing information on the virtual interrupt, the timing information including a value corresponding
to a number of branch instructions executed by the primary guest OS before inputting the virtual interrupt, and including
an execution suspension position when inputting the virtual interrupt; and

the secondary virtual machine automatically performs the steps of:
allowing the secondary guest OS 1) to operate until a branch instruction is repeated a same number of times as indicated by
the value corresponding to the number of branch instructions designated in the timing information when the timing information
is transmitted, 2) to suspend the secondary guest OS at the execution suspension position which is executed for a first time,
and 3) to input the virtual Interrupt to the secondary guest OS;

determining that a failure occurred if the secondary virtual machine allowed the secondary guest OS to operate until the branch
instruction is executed the same number of times as indicated by the value corresponding to the number of branch instructions
designated in the timing information, and a subsequent branch instructions was executed before the execution suspension position
was executed; and

replacing the one or more devices associated with the primary and secondary machines if the failure is determined to have
occurred.

US Pat. No. 9,046,425

OPTICALFIBER TEMPERATURE DISTRIBUTION MEASUREMENT APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. An optical fiber temperature distribution measurement apparatus, comprising:
a pulse output unit configured to output a light pulse to a selected one of a first end and a second end of an optical fiber;
an intensity ratio calculation unit configured to calculate a first intensity ratio and a second intensity ratio, wherein
the first intensity ratio is a ratio of Stokes light intensity to anti-Stokes light intensity obtained when the light pulse
is output to the first end of the optical fiber, and the second intensity ratio is a ratio of Stokes light intensity to anti-Stokes
light intensity obtained when the light pulse is output to the second end of the optical fiber,

a reference temperature unit including a reference temperature optical fiber and a first reference thermometer configured
to measure a temperature with a temperature of the reference temperature optical fiber being a reference temperature;

a temperature calculation unit configured to calculate a temperature distribution along the optical fiber based on the reference
temperature, the first intensity ratio, the second intensity ratio, and a total length loss ratio, wherein the total length
loss ratio is a loss ratio of Stokes light intensity to anti-Stokes light intensity with regard to a total length of the optical
fiber;

a constant-temperature unit configured to keep a temperature of a predetermined section close to both ends of the optical
fiber constant; and

a total length loss ratio calculation unit configured to calculate the total length loss ratio based on the first intensity
ratio and the second intensity ratio with regard to a location in the predetermined section.

US Pat. No. 9,374,271

FIELD DEVICE, COMMUNICATION SYSTEM, AND METHOD FOR CONTROLLING FIELD DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A field device comprising:
a communicator configured to communicate with a control device via a first communication path;
a local communicator configured to communicate with another field device via a second communication path, which is different
from the first communication path; and

a processor configured
to perform a predetermined information processing using at least one of first information related to the field device itself
and second information obtained by communication between the local communicator and the another field device via the second
communication path,

to share the first information and the second information with the another field device via the second communication path,
and

to diagnose abnormal states of the field device and the another field device using the first information and the second information.

US Pat. No. 9,267,913

PH SENSOR, PH MEASUREMENT METHOD, ION SENSOR, AND ION CONCENTRATION MEASUREMENT METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A pH sensor comprising:
a reference electrode including a p-channel field effect transistor (FET) whose gate includes a diamond surface having a hydrogen
ion insensitive terminal where a fluorine terminal is substituted for part of hydrogen terminals of as-grown diamond on which
hydrogen termination is performed; and

a working electrode.
US Pat. No. 9,084,997

CAPSULE AND CHEMICAL REACTION CARTRIDGE

YOKOGAWA ELECTRIC CORPORA...

4. A device, comprising:
an article, comprising:
a cassette comprising at least two recesses formed therein, the cassette having respective adhesion areas along a perimeter
of each of the at least two recesses, and

at least two films each having respective adhesion areas along a perimeter thereof, said adhesion areas of the cassette and
said adhesion areas of the at least two films being arranged along a common imaginary plane; and

a chemical reaction cartridge capable of having said article inserted therein, said chemical reaction cartridge being deformable
upon application of an external force thereto,

wherein each of said at least two films are directly laminated to the cassette at the entirety of the perimeters of each of
said at least two recesses of the cassette, respectively, thereby forming at least two capsules,

wherein said capsules are airtight and are capable of storing a material,
wherein said adhesion areas each include a weak adhesion area and a strong adhesion area, said adhesion areas each being adhered
by a two-step sealing operation including:

a first adhesion operation which weakly adheres areas of the first and second films corresponding to both the weak adhesion
area and the strong adhesion area; and

a second adhesion operation which strongly adheres only areas of the first and second films corresponding to the strong adhesion
area,

wherein tip ends of discharge paths corresponding to said weak adhesion areas protrude from said cassette,
wherein said at least two films are more strongly adhered to the cassette in said strong adhesion area than in said weak adhesion
area, and

wherein said at least two films have mirror symmetry with respect to the recesses formed in the cassette, relative to the
imaginary plane.

US Pat. No. 9,063,023

VIBRATION TRANSDUCER AND ITS MANUFACTURING METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A vibration transducer comprising:
a silicon single crystal substrate;
a silicon single crystal vibration beam provided over the silicon single crystal substrate, the vibration beam having a sectional
shape that is longer in a height direction that is perpendicular to a surface of the silicon single crystal substrate than
in a width direction that is parallel with the surface of the silicon single crystal substrate;

a shell made of silicon, surrounding the vibration beam with a gap, and forming a vacuum room together with the silicon single
crystal substrate;

an exciting module configured to excite the vibration beam;
a vibration detecting module configured to detect vibration of the vibration beam, and to measure stress occurring in the
vibration beam by measuring a resonance frequency of the vibration beam;

a first electrode plate disposed parallel with the surface of the silicon single crystal substrate, the first electrode plate
having one end connected to the vibration beam;

second and third electrode plates disposed parallel with the surface of the silicon single crystal substrate so as to be opposed
to each other with the vibration beam interposed in between; and

asperities formed on confronting side surfaces of the vibration beam and the second and third electrode plates,
wherein the vibration beam, and the first, second and third electrode plates are located in the same plane extending parallel
with the surface of the silicon single crystal substrate.

US Pat. No. 9,465,634

FAULT TOLERANT SYSTEM AND METHOD FOR PERFORMING FAULT TOLERANT

YOKOGAWA ELECTRIC CORPORA...

1. A fault tolerant system, comprising:
a primary virtual machine, executed by a first CPU, that is formed on a primary machine in which a primary hypervisor runs,
and performs the steps of:

inputting a virtual interrupt based on an external interrupt from the primary hypervisor to a primary guest OS;
transmitting timing information on the virtual interrupt to a secondary virtual machine;
transmitting a theoretical value, which represents a period of time that is calculated based on the execution speed of the
primary virtual machine and a number of execution instructions, to the secondary virtual machine;

collecting operation performance information from the secondary virtual machine; and
configuring an operation performance of the primary virtual machine and an operation performance of the secondary virtual
machine so that the operation performance of the primary virtual machine becomes equal to the operation performance of the
secondary virtual machine;

wherein the secondary virtual machine is executed by a second CPU and formed on a secondary machine in which a secondary hypervisor
runs, and performs the steps of:

receiving the timing information on the virtual interrupt transmitted by the primary virtual machine;
inputting the virtual interrupt to a secondary guest OS on the basis of the received timing information; and
executing a context switch to suspend the secondary guest OS and switch a context from the secondary guest OS to the secondary
virtual machine at an execution suspension position indicated by the received timing information; and

a synchronization correction unit, executed within the secondary virtual machine, that performs the steps of:
receiving the theoretical value transmitted from the primary virtual machine;
if the secondary virtual machine is lower in execution speed than the primary virtual machine even after the operation performance
is configured by the primary virtual machine, determining a measured delay time by subtracting the theoretical value from
a measured value, wherein the measured value is a period of time when a fixed period interrupt using a timer occurs in the
secondary virtual machine; and

if the measured delay time exceeds a predetermined allowable delay time, executing a resynchronization to reset the delay.

US Pat. No. 9,383,726

PHYSICAL QUANTITY MEASURING APPARATUS AND PHYSICAL QUANTITY MEASURING METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A physical quantity measuring apparatus (100) comprising:
a synchronization unit (110) configured to generate a synchronized input signal from an input signal having a continuous pulse train, wherein the synchronized
input signal is synchronized with a reference clock;

a counter (120) configured to measure a total number (Nsum) that is the sum of pulses of the reference clock included in each of n units of the synchronized input signal, wherein each
unit of the synchronized input signal has n cycles of the synchronized input signal, and n is a positive integer of 1 or more;

a deviation signal generator (141) configured to generate 2n deviation signals based on a delay of the synchronized input signal with respect to the input
signal;

a deviation integrating unit (142) configured to generate a deviation integration signal by subtracting the total values of n rear-half deviation signals from
the total values of n front-half deviation signals in the 2n deviation signals;

a compensation counter (143) configured to convert the deviation integration signal into a number (dNsum) of pulses of the reference clock; and

a calculator (130) configured to calculate the average number (Nrave) of pulses of the reference clock included in one unit of the input signal, based on the total number (Nsum), the number (dNsum), and the number n, wherein one unit of the input signal has n cycles of the input signal.

US Pat. No. 9,326,259

COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND COMMUNICATION METHOD

Yokogawa Electric Corpora...

1. A communication system, comprising:
first and second master stations configured to perform synchronous wireless communication with a slave station via a first
network; and

a control station configured to be connected to the first and second master stations via a second network,
wherein the control station transmits time information used to synchronize times of the first and second master stations to
each of the first and second master stations via the second network,

wherein one of the first and second master stations that is instructed to serve as a master by the control station performs
timing based on the time information from the control station, and

wherein the other of the first and second master stations that is instructed to serve as a slave by the control station performs
the timing based on announcement information announcing the time information transmitted from the one of the first and second
master stations, which is instructed to serve as the master by the control station, via the first network.

US Pat. No. 9,074,932

SPECTRUM DATA CORRECTION SYSTEM AND SPECTRUM DATA CORRECTION METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A spectrum data correction system wherein a noise quantity is detected on the basis of a difference in value between an
extremal point of measurement data-blocks making up input spectrum data, and a mean value of measurement data-blocks in the
extremal point and a point adjacent to the extremal point, and a count of moving-average points of measurement data-blocks
subjected to moving average processing is controlled according to the noise quantity, the spectrum data correction system
comprising:
means for using an optical power, detected by a photo-detector of an optical spectrum analyzer, as the measurement data-block,
thereby controlling the count of the moving-average points of the measurement data-blocks according to a quantity of noise
superimposed on the measurement data-block,

wherein the optical power is data that is present prior to multiplication by wavelength sensitivity correction data.

US Pat. No. 9,247,171

SENSITIVITY ADJUSTMENT DEVICE

Yokogawa Electric Corpora...

1. A sensitivity adjustment device comprising:
a light receiver configured to receive a reflected light that has been emitted from a light emitting unit and reflected by
a reflector, the light receiver being configured to convert the reflected light into an analog electrical signal;

an A/D converter configured to convert the analog electrical signal into a digital signal;
a threshold value calculator configured to calculate a threshold value with reference to a voltage level of the digital signal
that has been sequentially converted and output by the A/D converter; and

a determination unit configured to compare a high voltage level of the digital signal with the threshold value,
wherein the threshold value calculator is configured to calculate the threshold value by using at least one of a maximum value
and a minimum value of the voltage level of the digital signal that has been converted and output by the A/D converter when
the light emitting unit is emitting a light, and the digital signal that has been converted and output by the A/D converter
when the light emitting unit is not emitting the light.

US Pat. No. 9,279,708

ULTRASONIC FLOWMETER

YOKOGAWA ELECTRIC CORPORA...

1. An ultrasonic flowmeter comprising a plurality of ultrasonic wave elements attached to an outer wall of a pipeline through
which a measurement target fluid flows, and configured to transmit and receive an ultrasonic signal, wherein
at least one of the ultrasonic wave elements is an ultrasonic wave transmission element and is attached to the outer wall
of the pipeline so that an ultrasonic wave transmission surface thereof is in parallel to a pipe axis direction of the pipeline,
and

another at least one of the ultrasonic wave elements is an ultrasonic wave reception element and is attached to the outer
wall of the pipeline so that an ultrasonic wave reception surface thereof is in parallel to the pipe axis direction of the
pipeline,

wherein
the ultrasonic wave transmission element and two ultrasonic wave reception elements disposed to sandwich the ultrasonic wave
transmission element are disposed in the pipe axis direction.

US Pat. No. 9,128,166

SECONDARY BATTERY TESTER, SECONDARY BATTERY TESTING METHOD, AND MANUFACTURING METHOD OF SECONDARY BATTERY

YOKOGAWA ELECTRIC CORPORA...

1. A secondary battery tester for testing a state of a secondary battery based on an impedance characteristic of the secondary
battery, the tester comprising:
an impedance acquiring section configured to acquire an impedance value of the secondary battery; and
a determining section configured to determine a state of a solid electrolyte interface (SEI) layer of the secondary battery
based on the impedance value acquired by the impedance acquiring section,

wherein the second battery is a lithium ion secondary battery, and
wherein the impedance acquiring section is configured to acquire the impedance value of the secondary battery when a voltage
of the secondary battery is close to a lower limit of a use voltage range of the secondary battery.

US Pat. No. 9,389,996

FIELD APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. A field apparatus comprising:
a first memory that stores a program specifying an operation of the field apparatus;
a second memory that stores parameters to be used in the field apparatus;
a log generation unit configured to generate an operating log in which first information representing a type of an event generated
within the field apparatus, second information representing a time at which the event was generated, and third information
related to the event are associated; and

a control unit that includes the log generation unit, the control unit storing the operating log in a log storage region secured
in a free space in one of the first memory and the second memory, wherein

the log storage region is secured in the free space of the second memory, and
the control unit further includes an update control unit configured to temporarily store an update program for updating a
program, which has been stored in the first memory, in the log storage region, which has been secured in the second memory,
the control unit updating the program, which has been stored in the first memory, by using the update program.

US Pat. No. 9,331,949

CONTROL NETWORK MANAGEMENT SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A control network management system for relaying a first wireless communication in conformity with IP (Internet Protocol)
and a process control wireless communication standard, and a Wi-Fi wireless communication in conformity with IP and a Wi-Fi
wireless communication standard differing from the process control wireless communication standard, the control network management
system comprising:
a first repeater having a packet control means for writing priority information in a header of communication packet data of
the first wireless communication, as received and transmitting the communication packet data with a hash value of the header,
added thereto;

a second repeater having a packet control means for zero-clearing part, or a whole of priority information in a header of
communication packet data of the Wi-Fi wireless communication, as received, or changing the priority information to a predetermined
value before transmitting the communication packet data with a hash value of the header, added thereto; wherein the Wi-Fi
wireless communication is in conformity with the Wi-Fi wireless communication standard and the first wireless communication
is in conformity with the process control wireless communication standard different from the Wi-Fi wireless communication
standard,

wherein the packet control means of the first repeater writes the priority information having a higher priority than the zero-cleared
or changed priority information zero-cleared or changed by the packet control means of the second repeater;

wherein the packet control means of the second repeater changes the priority information in the header of the communication
packet data of the Wi-Fi wireless communication to priority information lower in priority than the priority information written
in the header of communication packet data of the first wireless communication by the packet control means of the first repeater;

a third repeater having a priority control means for applying priority control to the header of the communication packet data
received from the first repeater or the second repeater, on the basis of priority information, thereby transmitting the communication
packet data to a control system, wherein the third repeater comprises a correctness-inspection means for inspecting correctness
on the basis of the hash value of the communication packet data received from the first repeater or the second repeater, to
transmit correct communication packet to the control system; and

a fourth repeater, the fourth repeater comprising a priority-control means for executing priority control on the basis of
the priority information in the header of the communication packet data received from the third repeater, and a correctness-inspection
means for inspecting correctness on the basis of the hash value of the communication packet data, to transmit correct communication
packet data to the control system.

US Pat. No. 9,213,459

ELECTRONIC APPARATUS PROVIDED WITH RESISTIVE FILM TYPE TOUCH PANEL

Yokogawa Electric Corpora...

1. An electronic apparatus provided with a resistive film type touch panel, comprising:
a two-point touch determining module configured to perform determination of a one-point touch or a two-point touch;
a one-point touch coordinate detecting module configured to detect a coordinate of the one-point touch;
a two-point touch coordinate detecting module configured to detect two-point coordinates of the two-point touch;
a display screen generating module configured to generate a display screen of the resistive film type touch panel, wherein
the display screen comprises a one-point detecting screen or a two-point detecting screen; and

a touch input controlling module configured to determine whether the display screen is the one-point detecting screen or the
two-point detecting screen prior to an interaction of a user with the display screen, wherein

the touch input controlling module performs a coordinate detection using the one-point touch coordinate detecting module when
the touch to the resistive film type touch panel is detected in the one-point detecting screen, and,

the touch input controlling module performs the coordinate detection using the one-point touch coordinate detecting module
or the two-point touch coordinate detecting module according to a determination result of the two-point touch determining
module when the touch to the resistive film type touch panel is detected in the two-point detecting screen.

US Pat. No. 9,173,107

ANALOG FRONT-END CIRCUIT FOR MEASUREMENT

YOKOGAWA ELECTRIC CORPORA...

1. An analog front-end circuit for measurement used as an interface between a sensor and a control device, the circuit comprising:
an isolated part including at least an Analog-Digital (AD) conversion circuit configured to serve as an interface to the sensor;
a non-isolated part including at least a control circuit configured to serve as an interface to the control device; and
an isolated communication unit configured to perform isolated half-duplex communication between the isolated part and the
non-isolated part, wherein

the control circuit is configured to
transmit an AD conversion instruction to the AD conversion circuit after providing setting for measurement to the isolated
part via the isolated communication unit,

obtain a result of AD conversion by the AD conversion circuit from the isolated part via the isolated communication unit,
and

transfer the obtained AD conversion result to the control device,
wherein the isolated part includes:
an input switching circuit configured to switch one or more input sensor outputs;
a setting monitor register in which the setting for measurement provided by the non-isolated part is stored;
an amplifier configured to amplify the output from the sensor selected in a range included in the setting and output the amplified
sensor output to the AD conversion circuit;

a communication circuit configured to perform the isolated half-duplex communication with the non-isolated part via an isolated
communication transformer; and

a Direct Current to Direct Current (DC-DC) converter configured to convert power supplied from the control device via the
non-isolated part and an isolated power supply transformer into a required voltage.

US Pat. No. 9,442,761

SEQUENCE CONTROLLER

YOKOGAWA ELECTRIC CORPORA...

1. A sequence controller comprising:
a memory configured to hold a plurality of irregular processing function blocks; and
a processor configured with:
a periodic execution type sequence control module that executes periodically a regular processing function block in a predetermined
control period; and

a time-sharing execution type sequence control module that executes at least one of the plurality of irregular processing
function blocks called from the memory by time-sharing in a free time of the control period in-between a time the processor
executes periodically,

wherein the periodic execution type sequence control module is configured to call at least another one of the plurality of
irregular processing function blocks from the memory and to execute periodically the at least another one irregular processing
function block in the control period,

wherein the irregular processing function block called and executed by the periodic execution type sequence control module
in the control period is formed so that repeated processing of the irregular processing function block is limited to one loop
in the predetermined control period, and

wherein the irregular processing function block called and executed by the periodic execution type sequence control module
in the control period continues until completion even when there is no time left in the predetermined control period.

US Pat. No. 9,139,419

RESONANT TRANSDUCER, MANUFACTURING METHOD THEREFOR, AND MULTI-LAYER STRUCTURE FOR RESONANT TRANSDUCER

YOKOGAWA ELECTRIC CORPORA...

1. A resonant transducer comprising:
a silicon single crystal substrate;
a silicon single crystal resonator disposed over the silicon single crystal substrate;
a shell made of silicon, surrounding the resonator with a gap, and forming a chamber together with the silicon single crystal
substrate;

an exciting module configured to excite the resonator;
a vibration detecting module configured to detect vibration of the resonator;
a first layer disposed over the chamber, the first layer having a through-hole;
a second layer disposed over the first layer;
a third layer covering the first layer and the second layer;
a projection extending from the second layer toward the resonator, the projection being spatially separated from the resonator,
the projection being separated from the first layer by a first gap, the second layer being separated from the first layer
by a second gap, the first gap is communicated with the second gap;

wherein the projection is disposed immediately above the resonator, and
a distance between the projection and the resonator is shorter than a distance between the first layer and the resonator and
an end face of the projection is narrower than a width of the resonator.

US Pat. No. 9,276,349

RECEPTACLE FOR CONNECTING MODULAR ELECTRONIC INSTRUMENTS

YOKOGAWA ELECTRIC CORPORA...

1. A receptacle for connecting modular electronic instruments to each other, comprising:
a box-shaped case having a front face, a bottom face, a first side face, and a second side face opposite to the first side
face, the front face having an opening for inserting a single modular electronic instrument into the box-shaped case;

a first connector disposed inside the box-shaped case, the first connector being configured to electrically connect the single
modular electronic instrument to the receptacle;

a second connector disposed on the first side face, the second connector being configured to electrically connect the receptacle
to a first receptacle disposed on the side of the first side face;

a third connector disposed on the second side face, the third connector being configured to electrically connect the receptacle
to a second receptacle disposed on the side of the second side face;

a lock configured to secure the connection with one of the first and second receptacles; and
a leg disposed on the bottom face, the position of the leg being deviated only to one of the first or second side faces.

US Pat. No. 9,250,616

PROCESS CONTROL SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A process control system that controls an industrial process implemented in a plant, the process control system comprising:
a network provided in the plant;
a first field device that is connected to the network, the first field device being configured to output one of measurement
data, which is obtained by measuring a state quantity in the industrial process, and first simulation data, which simulates
the state quantity;

a second field device that is connected to the network, the second field device being configured to output one of response
data, which indicates a result of an operation of the state quantity in the industrial process under control of the controller,
and second simulation data, which simulates the result of the operation of the state quantity;

a controller that is connected to the network, the controller being configured to perform control in response to one of the
measurement data and the first simulation data output from the first field device; and

a simulator configured to generate the first simulation data to be output from the first field device and configured to generate
a new first simulation data by using at least one of the second simulation data and a control quantity controlled by the controller
that are output from the second field device, wherein the second field device includes a second control unit having a second
operating mode setting unit, the second control unit controlling operation of the second field device in accordance with operating
mode set in the second operating mode setting unit, the second operating mode setting unit is configured to set operating
mode of the second field device to one of a normal mode and a simulation mode, if the normal mode is set in the second operating
mode setting unit, the second field device is operated under control of the controller and transmits to the controller response
data indicating a result of an operation, and if the simulation mode is set in the second operating mode setting unit, the
second field device transmits the second simulation data that is response data, including at least a control quantity from
the controller, to the controller and the simulator.

US Pat. No. 9,220,127

WIRELESS NETWORK SYSTEM

Yokogawa Electric Corpora...

1. A wireless network system comprising:
a plurality of devices operating on the basis of incompatible and different standards,
wherein at least one of the devices comprises:
a standard identifier detector configured to detect an identifier by reading a value from a structure of data received by
the at least one device,

a standard judgment module configured to judge a version of the standard on the basis of the identifier detected by the standard
identifier detector,

a manipulation detection code calculator configured to calculate a manipulation detection code (MIC) for the version of the
standard, and

a manipulation detection code comparator configured to compare a manipulation detection code (MIC) detected by a manipulation
detection code detector and the manipulation detection code calculated by the manipulation detection code calculator, thereby
judging whether the two are coincident with each other,

wherein, in the case that the standard judgment module judges that the version is old, if the manipulation detection code
comparator judges that the two are coincident with each other, an old version manipulation detection code, calculated based
on an algorism of the old version including a cipher key common to a transmitting side by the manipulation detection code
calculator, is added to an acknowledge signal and then transmitted, and

if the manipulation detection code comparator judges that the two are not coincident with each other, the old version manipulation
detection code, calculated based on the algorism of the old version including the cipher key common to the transmitting side
by the manipulation detection code calculator, is added to a non-acknowledge signal and then transmitted, and

wherein, in the case that the standard judgment module judges that the version is new, if the manipulation detection code
comparator judges that the two are coincident with each other, a new version manipulation detection code, calculated based
on an algorism of the new version including a cipher key common to the transmitting side by the manipulation detection code
calculator, is added to an acknowledge signal and then transmitted, and

if the manipulation detection code comparator judges that the two are not coincident with each other, the new version manipulation
detection code, calculated based on the algorism of the new version including the cipher key common to the transmitting side
by the manipulation detection code calculator, is added to a non-acknowledge signal and then transmitted.

US Pat. No. 9,061,280

CHEMICAL REACTION CARTRIDGE, ITS FABRICATION METHOD, AND A CHEMICAL REACTION CARTRIDGE DRIVE SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A chemical reaction cartridge drive system for application in connection with performing chemical reactions of samples,
comprising:
a chemical reaction cartridge;
a roller contacting said chemical reaction cartridge with pressure to block a flow path in said chemical reaction cartridge;
and

a means for providing heating, cooling, or vibration to said chemical reaction cartridge having the flow path blocked by said
roller,

said chemical reaction cartridge comprises:
a substrate;
a body, wherein the substrate is rigid with respect to the body and the body is elastic with respect to the substrate, an
elasticity of the body maintaining the flow path opened in portions of the flow path not blocked by said roller;

two chambers connected by the flow path, the two chambers being located between the elastic body and rigid substrate; and
an area formed in a part of said elastic body so as to allow contact with said means or an introduction of said heating, cooling,
or vibration provided by said means to a sample in one of said chambers.

US Pat. No. 9,459,293

CURRENT SENSOR

YOKOGAWA ELECTRIC CORPORA...

1. A current sensor, comprising:
four magnetic sensor elements arranged within a plane orthogonal to a measured current, having a symmetrical magnetic characteristics
curve, and adapted to convert a magnitude of a magnetic field into an electrical signal and output the electrical signal;

a bridge circuit including the four magnetic sensor elements; and
a bias magnetic field application member adapted to applying a bias magnetic field to the magnetic sensor elements,
wherein
each of the magnetic sensor elements has a corresponding magnetic sensitive direction exhibiting a maximum sensitivity, and
the magnetic sensitive directions of the magnetic sensor elements are four different directions arranged in the plane orthogonal
to the measured current.

US Pat. No. 9,191,239

WIRELESS COMMUNICATION DEVICE AND WIRELESS COMMUNICATION SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A wireless communication device which transmits data over a communications link to a plurality of destination nodes by
time division multiplexing for dividing a communication period of the data into a plurality of communication slots the device
comprising:
a storage section including a transmission queue region that stores unsent data, comprising data not previously sent and data
previously sent but not received, which is to be sent to the destination nodes therein;

a communication controller comprising:
a communication performance situation evaluating section configured to evaluate a communication performance situation of each
of the destination nodes; and

a communication slot controller configured to:
allocate, in the plurality of communication slots, communication slots for data transmission to the respective destination
nodes, retransmission slots for retransmission of the-unsent data previously sent and not received, and auxiliary retransmission
slots for retransmission of the unsent data previously sent and not received to be retransmitted subjected to a specified
destination node, the specified destination node being determined based on the communication performance situation; and

allocate the respective unsent data previously sent and not received to a corresponding one of the retransmission slots and
the auxiliary retransmission slots based on a given communication performance condition for retransmission to the destination
nodes,

wherein the auxiliary retransmission slot is used for retransmission to a specified destination node such that the retransmission
of the unsent data previously sent and not received to the specified destination node is separate from the communication slots
and retransmissions slots and does not deteriorate the communication performance situations of other destination nodes,

wherein the communication performance situation evaluating section is configured to evaluate a communication error rate of
each of the communication nodes,

wherein the communication slot controller allocates the unsent data subjected to the specified destination node to the auxiliary
retransmission slots, and

the communication slot controller allocates the unsent data subjected to remaining destination nodes except the specified
destination node to the retransmission slots, and

wherein the communication slot controller sets a destination node whose communication error rate exceeds a threshold value
as the specified destination node.

US Pat. No. 9,439,160

NETWORK MANAGEMENT SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A network management system in which field wireless management stations having gateway functions and system management
functions incorporated are redundantly connected together,
wherein the plurality of field wireless management stations are connected to each other through a synchronizing cable and
synchronizing connectors provided in the synchronizing cable, the respective synchronizing connectors for the field wireless
management stations being physically configured different from each other,

wherein the synchronizing connectors comprise a first connector for directly connecting to a first of the plurality of field
wireless management stations and a second connector for directly connecting to a second of the plurality of field wireless
management stations, and

wherein the synchronizing cable provides a physical connection between the first connector and the second connector.

US Pat. No. 9,313,605

WIRELESS COMMUNICATION SYSTEM AND INFORMATION PROVIDING METHOD

Yokogawa Electric Corpora...

1. A wireless communication system comprising:
a setting device configured to receive an identification information from a first wireless device, the setting device being
configured to set a provisioning information to the first wireless device, the identification information being used for identifying
the first wireless device, the provisioning information being specified by using the identification information and being
required for the first wireless device to join a wireless communication network;

a control device configured to receive the provisioning information from the setting device, the control device being configured
to determine, using the provisioning information, whether or not to allow the first wireless device transmitting a request
for joining the wireless communication network to join the wireless communication network, and the control device being configured
to generate a joining information indicating a result of the determination; and

a management device configured to receive the provisioning information from the setting device, the management device being
configured to receive the joining information from the control device, the management device being configured to generate
a join history information for each wireless device, the join history information including the provisioning information and
the joining information which are associated with each other,

wherein in a case that the setting device transmits a request for acquiring the join history information, the management device
provides the join history information to the setting device in response to the request for acquiring the join history information
from the setting device, and

the setting device is configured to
display a list of join history information provided by the management device,
specify a provisioning information to be used for reprovisioning based on an order of an operator, and
perform the reprovisioning on the first wireless device by using the provisioning information specified by the setting device.

US Pat. No. 9,171,965

FORCE DETECTION DEVICE, AND FORCE TRANSDUCER DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A force detection device comprising a diamond piezoresistor including a highly orientated diamond into which boron is introduced
as an impurity,
wherein an absolute value of a piezoresistance coefficient of the diamond piezoresistor is greater than an absolute value
of a piezoresistance coefficient ?11 or ?12 in a case in which a major axis is in a <100> direction.

US Pat. No. 9,408,146

WIRELESS FIELD DEVICE AND POWER MANAGEMENT

YOKOGAWA ELECTRIC CORPORA...

1. A wireless field device that performs a wireless communication with other field devices in a wireless network through a
gateway, the device comprising:
a battery incorporated in the field device to activate the field device; and
a wireless communicator configured to exchange radio signals with the gateway to perform the wireless communication with said
other field devices,

wherein when the field device starts a procedure for joining in the wireless network, firstly, the wireless communicator continuously
attempts to access the gateway in a first period in order to receive an advertisement signal from the gateway, and

when the wireless communicator cannot access the gateway and receive the advertisement signal in the first period, the wireless
communicator intermittently attempts to access the gateway until receiving the advertisement signal from the gateway,

wherein when the wireless communicator cannot access the gateway and receive the advertisement signal from the gateway in
the first period, the wireless communicator is made inactive in a second period and then the wireless communicator is made
active in a third period,

wherein the second period and the third period are alternately repeated until the wireless communicator receives the advertisement
signal from the gateway,

wherein the wireless communicator is activated by a current that is more than a threshold current, the current being generated
from the battery, and

wherein a current supplied to the wireless communicator is less than the threshold current in the second period, and
a current supplied to the wireless communicator is more than the threshold current in the third period.

US Pat. No. 9,235,810

EVENT ANALYSIS APPARATUS, NON-TRANSITORY COMPUTER-READABLE STORAGE MEDIUM STORING COMPUTER PROGRAM ANALYZING EVENTS, AND METHOD FOR ANALYZING EVENTS OVER VARIABLE TIME WIDTH

YOKOGAWA ELECTRIC CORPORA...

1. An event analysis apparatus configured to analyze events including alarms generated in a plurality of devices and operations
targeting the devices, comprising:
an event log collection unit configured to collect an event log including an occurrence date and time of the event, a device
identifier (ID) of the device in which the event occurs, and an event type ID of the event;

an event log storage unit configured to convert the event log into an event matrix representing presence and absence of occurrence
of each device event obtained by coupling the device ID and the event type ID in time series and save the event matrix; and

an event analysis unit configured to calculate a conditional probability between the device events to construct a Bayesian
network by dividing the event matrix into blocks, each of which has a different predetermined reference time width and determining
the presence and absence of the occurrence of each of the device events in each of the blocks, and decide a device event as
a cause of a device event of an analysis target or a device event to be generated later using the constructed Bayesian network.

US Pat. No. 9,194,823

RADIATION INSPECTION APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. A radiation inspection apparatus comprising:
a radiation source that irradiates linear radiation, which is parallel to an inspection direction set on an inspection target,
to the inspection target;

a line type detector that detects the radiation transmitted through the inspection target;
a correction detector that is disposed in a position between the inspection target and the line type detector, the correction
detector moving along the inspection direction to detect the radiation, which has been irradiated from the radiation source,
at each of a plurality of inspection positions along the inspection direction; and

a correction device that corrects the detection result of the line type detector by using the detection result of the correction
detector, wherein

the correction device comprises:
a first calculation unit that obtains a first thickness of the inspection target at each inspection position in the inspection
direction based on the detection result of the line type detector;

a second calculation unit that obtains a second thickness of the inspection target at each inspection position in the inspection
direction based on the detection result of the correction detector;

a correction value calculating unit that obtains a correction value, which represents a difference between the first thicknesses
of the inspection target obtained by the first calculation unit and the second thickness of the inspection target obtained
by the second calculation unit, at each inspection position in the inspection direction: and

a correction unit that corrects the first thickness of the inspection target, which has been obtained by the first calculation
unit, by using the correction value, which has been obtained by the correction value calculating unit, at each inspection
position in the inspection direction.

US Pat. No. 9,146,555

SYSTEM AND METHOD FOR MANAGING LIFE-CYCLE OF BATCH IN PRODUCTION CONTROL SYSTEM IN REAL TIME

YOKOGAWA ELECTRIC CORPORA...

1. A system for managing life cycle of a batch in a production control system in real time comprising:
an enterprise management system configured to generate a batch production request;
a manufacturing execution system (MES) configured to receive the generated batch production request and to generate one or
more batch commands corresponding to the batch production request; and

a task execution assistance (TEA) system interfaced between the MES and the production control system is configured into plurality
of interfaces comprising:

a command receiving interface configured to receive the generated one or more batch commands from the MES and to update status
to the MES,

a command execution engine (CEE) configured to list, execute and monitor one or more actions to be performed in a sequence
for the received one or more batch commands;

one or more adapter interface for receiving one of the listed one or more actions to be performed from the CEE and routes
it to corresponding interface provided on the production control system;

the production control system configured to supply required information for one or more actions to be performed to the CEE
through the corresponding interface for completing the one or more actions.

US Pat. No. 9,261,868

PROCESS CONTROL SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A process control system performing control of an industrial process implemented in a plant, the process control system
comprising:
a network provided in the plant;
a plurality of field devices connected to the network, each of the plurality of field devices is configured to perform at
least one of a measurement and an actuation required for control of the industrial process; and

at least one or more controllers, connected to the network, each controller having a first hardware, a virtual part which
is provided on the first hardware and on which an operating system, which manages an application for controlling the field
devices, runs, and a control unit configured to control operations of the field devices via the network, wherein the control
unit comprises the operating system that runs in the virtual part and the application that runs in the operating system,

wherein, when the first hardware is replaced by a second hardware,
a program implementing the virtual part is installed into the second hardware so as to implement a functionality of the virtual
part, and

a program implementing the operating system and a program implementing the application that had been previously used in the
first hardware are installed into the second hardware, so as to implement a functionality of the operating system and a functionality
of the application on the second hardware.

US Pat. No. 9,189,198

DATA SIMILARITY CALCULATION METHOD AND DATA SIMILARITY CALCULATION APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. A data similarity calculation method comprising:
(a) acquiring a first waveform;
(b) storing time series data;
(c) converting the stored time series data into a waveform on two-dimensional coordinates, wherein the two-dimensional coordinates
consists of a time axis and an a value axis representing values of the time series data, and the time axis is orthogonal to
the value axis;

(d) shifting the converted waveform in both directions of the time axis and the value axis so as to generate a second waveform;
(e) calculating a similarity between the first waveform and the second waveform; and
(f) extracting a shift amount in the direction of the time axis and a shift amount in the direction of the value axis when
the similarity is the highest by repeatedly performing steps (d) and (e).

US Pat. No. 9,122,061

CONFOCAL OPTICAL SCANNER AND CONFOCAL MICROSCOPE

YOKOGAWA ELECTRIC CORPORA...

1. A confocal optical scanner, comprising:
a plurality of condenser elements each configured to concentrate illumination light to be applied on a sample to produce fluorescence
from the sample;

a plurality of optical scanning units including a plurality of openings each configured to allow the illumination light concentrated
by the condenser element to pass through the opening, the optical scanning units each configured to scan the sample with the
illumination light that has passed through the opening;

a moving mechanism configured to move the optical scanning units to select one of the optical scanning units;
an incident-angle adjusting part configured to adjust an incident angle of the illumination light incident on the optical
scanning unit selected from the optical scanning units according to the selected optical scanning unit;

a reflective mirror provided for each of the optical scanning units, where the reflective mirror is secured on the moving
mechanism and configured to reflect the illumination light to the optical scanning unit; and

a mirror adjusting part provided for each of the optical scanning units as the incident-angle adjusting part, where the mirror
adjusting part is secured on the moving mechanism and configured to adjust an angle of the reflective mirror.

US Pat. No. 9,118,180

INPUT PROTECTION CIRCUIT

YOKOGAWA ELECTRIC CORPORA...

1. An input protection circuit comprising:
a first transistor of a field-effect type coupled in series between an input terminal and an electronic circuit, the input
terminal receiving an input voltage, the electronic circuit receiving an input voltage, the first transistor switching to
an off-state in a case where the input voltage is higher than a positive power supply voltage of the electronic circuit;

a second transistor of a field-effect type coupled in series between the first transistor and the electronic circuit, the
second transistor switching to an off-state in a case where the input voltage is lower than the negative power supply voltage
of the electronic circuit;

a voltage control circuit configured to maintain gate-source voltages of the first transistor and the second transistor as
voltages within a power supply voltage range of the electronic circuit based on the input voltage;

a first diode coupled between a gate and a source of the first transistor; and
a second diode coupled between a gate and a source of the second transistor, wherein,
the first transistor is an N-type field-effect transistor, the first transistor having a drain coupled to the input terminal,
the first transistor has a source coupled to a drain of the second transistor,
the second transistor is a P-type field-effect transistor, the second transistor having a source coupled to the electronic
circuit and

the voltage control circuit includes:
a first voltage buffer for monitoring the input voltage;
a first level-shift circuit configured to output a sum of the input voltage and a predetermined voltage to the gate of the
first transistor; and

a second level-shift circuit configured to input a difference between the input voltage and a predetermined voltage to the
gate of the second transistor, wherein

the predetermined voltage is lower than the positive power supply voltage of the electronic circuit and higher than the negative
power supply voltage of the electronic circuit.

US Pat. No. 9,521,353

RECORDER

YOKOGAWA ELECTRIC CORPORA...

1. A recorder which receives measurement data and image data, comprising:
a file saving processor configured to:
record the measurement data in a first file in time series;
temporarily store the image data with information for associating the image data with the measurement data that is regarded
as being received at the same time;

record, in a second file, image data corresponding to a point in time when a trigger is generated, and also a given number
of image data before the trigger is generated and a given number of image data after the trigger is generated;

create a third file in which the measurement data recorded in the first file and the image data recorded in the second file
are associated with each other; and

associate the first file, the second file, and the third file with each other to save the associated files.

US Pat. No. 9,055,024

COMMUNICATION SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A communication system comprising:
a first network connected to lower-layer equipment;
a second network connected to a higher-layer application being higher than the lower-layer equipment;
a gateway device connected to the first network and the second network; and
a tunnel device connected to the first network and the second network, the tunnel device bypassing the gateway device,
wherein:
when the higher-layer application transmits a network connection request to the tunnel device, then a network connection response
is returned to the higher-layer application, and when the higher-layer application receives the network connection response,
then the higher-layer application sets up a virtual tunnel for connecting the higher-layer application to the tunnel device
to virtually extend the first network to the higher-layer application, and directly communicates with the lower-layer equipment
via the virtual tunnel;

wherein the tunnel device comprises a first communication stack connected to the first network and a second communication
stack connected to the second network;

wherein the second communication stack comprises an encryption and authentication processing unit configured to execute an
encryption process and an authentication process for communication between the tunnel device and the higher-layer application;
and

wherein, in order to improve a fault tolerance of the tunnel device, the tunnel device comprises a tunnel device synchronization
unit configured to synchronize and equalize mutual setting information with another tunnel device for backup connected to
the first network and the second network.

US Pat. No. 9,518,854

RESONANCE CIRCUIT USED FOR MEASUREMENT DEVICE AND MEASUREMENT DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A resonance circuit used for a measurement device, configured to receive a pulse density signal obtained by ??-modulating
an analog displacement signal by a ?? modulator and a multi-bit signal obtained from the pulse density signal and to generate
an excitation signal based on the pulse density signal and the multi-bit signal, the resonance circuit comprising:
an amplification factor controller configured to set an amplification factor depending on a vibration signal obtained from
the multi-bit signal;

a multiplier configured to amplify a level of the pulse density signal by the amplification factor; and
a circuit group configured to generate the excitation signal based on a pulse density signal obtained by further ??-modulating
an output of the multiplier;

wherein the amplification factor controller is configured to set the amplification factor using a proportional control and
an integral control based a difference between an amplitude signal obtained from the vibration signal and a target amplitude
value.

US Pat. No. 9,488,468

DISPLACEMENT SENSOR, SPECTRAL CHARACTERISTIC MEASURING APPARATUS, COLOR MEASURING APPARATUS, PLANAR MEASURED OBJECT QUALITY MONITORING APPARATUS, DISPLACEMENT MEASURING METHOD, SPECTRAL CHARACTERISTIC MEASURING METHOD, AND COLOR ME

YOKOGAWA ELECTRIC CORPORA...

7. A spectral characteristic measuring method comprising:
applying first light, by a first light source unit, for spectral characteristic measurement to a measurement region of a planar
measured object;

measuring spectral characteristics based on spectral distribution of the first light reflected by the measurement region;
applying second light, by a second light source unit, for displacement measurement from a reference point of the planar measured
object in a direction oblique to a surface including the measurement region, the second light having a wavelength range that
does not overlap with a wavelength range of the first light source unit;

extracting a feature amount of spectral distribution of the second light reflected by the measurement region; and
correcting the measured spectral characteristics based on the extracted feature amount and a relation between spectral characteristics
and a feature amount acquired previously,

wherein the second light source unit includes a light source configured to emit light with a wavelength of a predetermined
range, and an optical element in which a transmission wavelength or a reflection wavelength changes according to an incidence
angle or an incidence position,

wherein the second light is light whose wavelength changes according to an emission direction, which is generated by applying
the light from the light source to the optical element obliquely at an angle where an optical axis of the light source is
constant,

wherein a wavelength distribution is generated on the surface including the measurement region by the second light so that
the light reflected from the measurement region is changed according to the displacement of the planar measured object, and

wherein the feature amount is a peak wavelength or a peak frequency of the second spectral distribution.

US Pat. No. 9,429,938

METHOD AND APPARATUS FOR QUALIFYING PERFORMANCE OF A CONVENTIONAL CONTROL VALVE

YOKOGAWA ELECTRIC CORPORA...

1. A method of qualifying performance of a conventional control valve that does not have a self-provided feedback mechanism
that allows a user to qualify valve performance in a process plant, the valve being controlled by a controller, the method
comprising:
sensing, with a flow rate sensor, a flow rate at a location in the process plant, the flow rate being controlled by the conventional
control valve;

storing in a database of a server of the process plant the flow rate sensed by the sensor, a set-point being a pre-determined
desired value for the flow rate, and a manipulated variable being a value sent from the controller to the conventional control
valve for adjusting the flow rate to reach the set-point;

a processor obtaining data samples from the database stored on the server of the process plant, each data sample comprising
the flow rate sensed by the flow rate sensor, the set-point, and the manipulated variable;

the processor computing a non-linearity index from the data samples and determining if the non-linearity index is greater
than a threshold value;

if the non-linearity index is greater than the threshold value the processor charting a plot of the process variable against
the manipulated variable and determining if the plot has an elliptical or rectangular fit;

if the plot has an elliptical fit, the processor determining if a percentage of the total number of data samples lying within
a theoretical ellipse encompassed within the elliptical fit is less than or equal to a preset percentage;

if the plot has an elliptical or rectangular fit and the percentage is less than or equal to the preset percentage, the processor
computing a model fitness stiction index of the plot relative to a standard valve stiction model, and determining if the model
fitness stiction index is greater than a pre-set value known to arise due to valve stiction;

the processor determining whether valve stiction is associated with the conventional control valve based on whether the model
fitness stiction index is greater than the pre-set value; and

adjusting, using the controller, the flow rate at the location in the process plant to reach the set-point by sending the
value corresponding to the manipulated variable to the conventional control valve.

US Pat. No. 9,241,110

INFORMATION DISPLAY DEVICE AND INFORMATION DEVICE SYSTEM

Yokogawa Electric Corpora...

1. An information display device comprising:
an image capturing unit configured to capture an image;
a display unit configured to display the image captured by the image capturing unit;
a detection unit configured to detect a position and an attitude of the information display device;
an identification unit configured to identify a field device positioned in a direction of image capturing by the image capturing
unit, by using a detection result of the detection unit;

a display control unit configured to cause an overlaid display on the display unit of the image captured by the image capturing
unit, overlaid with static information regarding the field device identified by the identification unit, the display control
unit being configured to display on the display unit an instruction screen configured to receive instructions for changing
settings for the field device if receiving a selection operation to select the field device displayed on the display unit;

a remote management unit configured to transmit a request, which changes settings for the field device, to a server device,
which stores management information of the field device, based on the instructions received by the instruction screen;

an image processing unit configured to perform image processing with respect to the image captured by the image capturing
unit to identify a display position of the graphics of the field device within the image; and

a display position adjustment unit configured to judge whether or not the display position of the graphics of the field device
within the image has been identified by the image processing of the image processing unit, and to adjust a display position
of the static information within the image displayed by the display control unit based on the display position of the graphics
of the field device within the image identified by the image processing unit, wherein,

if it is judged that the display position of the graphics of the field device within the image has not been identified, then
the display control unit causes the static information to be displayed on a display portion, which corresponds to the field
device identified by the identification unit, of the overlaid display on the display unit of the image captured by the image
capturing unit, and

if it is judged that the display portion of the graphics of the field device within the image has been identified, then the
display position adjustment unit adjusts the display portion of the static information within the image.

US Pat. No. 9,992,889

LID OPENING/CLOSING MECHANISM AND ELECTRONIC DEVICE STORAGE CASE

Yokogawa Electric Corpora...

1. A lid opening/closing mechanism, which is for attaching a lid to an opening of a case body to be openable and closable, and holding a distribution cable electrically connecting between the case body and the lid, comprising:a first member which is attachable to an attachment surface of the case body and slidable along the attachment surface; and
a second member of which one side is rotatable and attachable to the first member, and of which another side is fixed to the lid,
wherein the distribution cable is curved and held along the first member and the second member,
wherein the first member and the second member are an integrated plate member, and
wherein a thin part of which thickness is reduced is formed in a boundary between the first member and the second member.

US Pat. No. 9,377,514

SECONDARY-BATTERY MAXIMUM-CAPACITY MEASURING APPARATUS

YOKOGAWA ELECTRIC CORPORA...

6. A secondary-battery maximum-capacity measuring apparatus, comprising:
an open cell voltage-waveform calculation unit configured to receive a plurality of pairs of provisional maximum capacity
and provisional electric quantity in a secondary battery, and to compute an open cell voltage waveform for each pair based
on each pair and a current waveform of the secondary battery;

an open cell voltage-waveform extracting unit configured to extract an open cell voltage-derived curve based on the open cell
voltage waveform and the current waveform;

an inter-terminal voltage-waveform extracting unit configured to extract an inter-terminal voltage-derived curve based on
the current waveform and a waveform of an inter-terminal voltage of the secondary battery;

an error calculation unit configured to obtain a degree of coincidence between the open cell voltage-derived curve and the
inter-terminal voltage-derived curve as an evaluation value; and

an optimal value calculation unit configured to output a provisional maximum capacity in a pair of the provisional maximum
capacity and the provisional electric quantity in a state where the evaluation value becomes minimum, as a maximum capacity
measurement value of the secondary battery.

US Pat. No. 9,992,898

ELECTRONIC DEVICE HAVING AN ATTRIBUTE INFORMATION DISPLAY PART

Yokogawa Electric Corpora...

1. An electronic device comprising: a base plate; anda plurality of modules detachably attached to the base plate in a depth direction,
wherein the modules comprise a terminal block module, and
wherein the terminal block module has an openable and closable door at a pullout end portion-side, and the door has an attribute information display part configured to display attribute information of a device to be connected to the terminal block module,
wherein a length of the terminal block module in the depth direction is smaller than a length of an adjacent module attached adjacent to the terminal block module,
wherein the door of the terminal block module is configured to be openable such that an opposite side to a side of the door which is connected to the terminal block module protrudes further frontward than an end surface of the adjacent module on the pullout end portion-side,
wherein the attribute information display part is configured to slide along the door, and
wherein a proximal end of the attribute information display part is further configured to rotate about a distal end of the door when the door is in an opened position.

US Pat. No. 9,404,780

ELECTROMAGNETIC FLOW METER, MISWIRING DETECTION APPARATUS AND MISWIRING DETECTION METHOD

YOKOGAWA ELECTRIC CORPORA...

1. An electromagnetic flow meter comprising:
a converter comprising an excitation unit configured to generate and output an excitation signal and a flow rate signal receiving
unit configured receive a flow rate signal;

a flowtube comprising a coil connected to the excitation unit through an excitation cable and an electrode connected to the
flow rate signal receiving unit through a signal cable; and

a miswiring detection unit configured to enable the excitation unit to output an excitation signal of a first frequency and
configured to calculate a first index value relating to the first frequency and a second index value relating to a second
frequency from a flow rate signal, which is acquired when the excitation signal of the first frequency is output,

wherein the miswiring detection unit determines that a miswiring occurs when the first index value is not large enough to
satisfy a predetermined criterion than the second index value.

US Pat. No. 9,379,554

CURRENT OUTPUT CIRCUIT AND TWO-WIRE TRANSMITTER

YOKOGAWA ELECTRIC CORPORA...

1. A current output circuit for a two-wire transmitter configured to receive supply of a power source from an external circuit
through two transmission lines and to output a predetermined current based on a physical quantity to the external circuit
through the transmission lines, the current output circuit comprising:
a first current source circuit configured to output a first current controlled by a control voltage generated based on the
physical quantity;

a second current source circuit configured to output a second current controlled by the first current;
a first shunt voltage source circuit configured to generate an internal power source of the two-wire transmitter from the
second current;

a third current source circuit configured to generate a third current controlled by a reference voltage; and
a second shunt voltage source circuit configured to generate a power source of the second current source circuit by the third
current,

wherein the current output circuit is configured to output the predetermined current controlled by the control voltage based
on the first current, the second current and the third current.

US Pat. No. 9,952,104

OPTICAL FIBER TEMPERATURE DISTRIBUTION MEASURING DEVICE

Yokogawa Electric Corpora...

1. An optical fiber temperature distribution measuring device comprising:an optical fiber as a sensor;
a light source for outputting, to the optical fiber, signal light which has been amplified by excitation light;
a temperature distribution calculation unit for measuring a temperature distribution along the optical fiber by using backward Raman scattered light from the optical fiber;
an amplified spontaneous emission (ASE) light intensity variation measurement unit for measuring an intensity variation of an ASE light generated at the light source by measuring backward Raman scattered light corresponding to the ASE light; and
a temperature distribution correction unit for correcting the temperature distribution based on a measurement result of the intensity variation of the ASE light.

US Pat. No. 10,321,492

WIRELESS COMMUNICATION APPARATUS AND WIRELESS COMMUNICATION SYSTEM

Yokogawa Electric Corpora...

1. An industrial wireless communication apparatus that wirelessly communicates with a wireless device via an industrial wireless communication network of a communication standard of ISA 100.11a which is free of a provisioning-dedicated wireless network, the industrial wireless communication apparatus comprising:a packet processor configured to generate a first packet and a second packet, the first packet including a first control information and a first discrimination information, the second packet including a second control information and a second discrimination information,
the first control information being used for connecting an already-provisioned wireless device to the industrial wireless communication network of the communication standard of ISA 100.11a, the already-provisioned wireless device having already been provisioned with a device information for joining to the industrial wireless communication network of the communication standard of ISA 100.11a,
the second control information being used for connecting a provisioning-required wireless device to the industrial wireless communication network of the communication standard of ISA 100.11a for provisioning the provisioning-required wireless device with the device information for joining to the industrial wireless communication network of the communication standard of ISA 100.11a,
the first discrimination information being used for the already-provisioned wireless device to join to the industrial wireless communication network of the communication standard of ISA 100.11a, and
the second discrimination information being used for the provisioning-required wireless device to join to the industrial wireless communication network of the communication standard of ISA 100.11a for provisioning the provisioning-required wireless device,
the second discrimination information including a special value which is not used in the first discrimination information for the industrial wireless communication network of the communication standard of ISA 100.11a; and
a wireless communication unit configured to transmit the first packet generated by the packet processor and the second packet generated by the packet processor to the industrial wireless communication network of the communication standard of ISA 100.11a.

US Pat. No. 9,182,783

SYNCHRONIZATION APPARATUS AND FIELD DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A synchronization apparatus synchronizing an operation of a first processing unit that performs a pre-processing on an
input signal and an operation of a second processing unit that performs a post-processing on a signal from the first processing
unit, the synchronization apparatus comprising:
a counting unit configured to operate with a period that is sufficiently shorter than a period of a first reference signal
that governs a timing of the pre-processing in the first processing unit, and outputting, when it has counted a target count
value that has been set, a second reference signal that governs a timing of the post-processing in the second processing unit;

a phase control unit configured to generate a control value for controlling a phase difference of the second reference signal
with respect to the first reference signal in accordance with a count value of the counting unit when the first reference
signal is input;

a filter unit configured to filter the control value that has been generated by the phase control unit so as to determine
the target count value to be set in the counting unit; and

a startup control unit that, when a difference between a first count value, which is a count value of the counting unit when
the first reference signal is input, and a second count value, which is a count value of the count unit when the first reference
signal is next input, is smaller than a pre-established threshold, sets the second count value to the target count value of
the counting unit.

US Pat. No. 9,807,896

CONVERTER

Yokogawa Electric Corpora...

1. A converter comprising:
an amplifier case main body having an amplifier main body accommodated therein;
an indicator; and
a safety cover attached to the amplifier case main body,
wherein the safety cover has a plurality of through-holes for gas removal, the plurality of through-holes are circumferentially
provided along an outer periphery of a main plane of the safety cover at an area in which the indicator is not attached, so
as to surround the indicator, and an area of the main plane of the safety cover in which the indicator is attached is not
provided with any through-hole.

US Pat. No. 9,801,235

GATEWAY DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

Yokogawa Electric Corpora...

1. A gateway device comprising:
a receiving unit configured to receive a response of a field device with respect to a request from a management apparatus
managing the field device;

a conversion unit configured to reference type information included in the response received by the receiving unit, the type
information indicating a type of data format, and convert data included in the response to a data format suitable for processing
by the management apparatus, the conversion being made in accordance with the type information; and

a transmitting unit configured to transmit to the management apparatus the data converted by the conversion unit,
wherein the conversion unit is configured to judge whether or not the type information included in the response received by
the receiving unit and indicating the type of data format is a second data format that is different from a first data format,
and

wherein the first data format and the second data format are data formats to be used in a same wireless communication standard.

US Pat. No. 9,736,783

DEVICE ADAPTER, DEVICE SYSTEM, AND START CONTROL METHOD

Yokogawa Electric Corpora...

1. A device adapter comprising:
an interface which is connectable to field devices;
a power source configured to supply electric power to the field devices connected to the interface; and
a start controller configured to perform a start control of the field devices connected to the interface to make a total power
consumption of the field devices connected to the interface be within a range permitted in accordance with an explosion-proof
standard.

US Pat. No. 9,541,493

INSPECTION APPARATUS USING POLARIZED LIGHTS

YOKOGAWA ELECTRIC CORPORA...

1. An inspection apparatus using polarized lights comprising:
an irradiator configured to irradiate an inspection target with a first plurality of lights, the first plurality of lights
having different polarization states and different wavelengths from each other;

a light receiver configured to perform a wavelength demultiplexing of a second plurality of lights obtained from the inspection
target to generate a third plurality of lights, to separately receive the third plurality of lights, and to output at least
one light-receiving signal associated with the third plurality of lights; and

a processor configured to calculate at least one of an ellipse azimuth, a degree of polarization, and a polarization component
intensity using the light-receiving signal and to determine whether the inspection target is defective or non-defective.

US Pat. No. 9,642,004

ACCESS POINT DEVICE AND SYSTEM FOR WIRELESS LOCAL AREA NETWORK, AND RELATED METHODS

Yokogawa Electric Corpora...

1. An access point device for a wireless local area network the network comprising a plurality of wireless devices and the
access point device, wherein on the access point device:
a same extended service set (ESS) is divided into a plurality of virtual local area networks (VLANs), wherein broadcast keys
are stored in a broadcast key storage device of the access point device so as to correspond to virtual local area network
identifiers (VLAN IDs) of the VLANs by being indexed through the VLAN IDs so as to realize information isolation among the
VLANs, and the access point device comprises memory and a processor, the processor executing the following steps:

issuing a corresponding broadcast key, which includes the following sub-steps:
acquiring a wireless device ID of a wireless device accessing the wireless local area network;
acquiring a VLAN ID of a VLAN to which the wireless device belongs through the acquired wireless device ID,
acquiring the corresponding broadcast key through the acquired VLAN ID, and issuing the acquired corresponding broadcast key
to the wireless device;

encrypting information, in which the broadcast key corresponding to the VLAN ID of the VLAN is utilized to encrypt information
broadcast to the VLAN; and

broadcasting the encrypted information, wherein when the wireless device accessing the ESS leaves the ESS, the processor executes
the following steps for the VLAN to which the wireless device belongs:

acquiring the VLAN ID of the VLAN whose broadcast keys needs to be updated;
acquiring the corresponding to-be-updated broadcast key through the acquired VLAN ID, and
updating the acquired corresponding to-be-updated broadcast key, and
issuing an updated broadcast key to all wireless devices accessing the VLAN and then broadcasting encrypted information utilizing
the updated broadcast key.

US Pat. No. 9,116,063

SENSOR UNIT

YOKOGAWA ELECTRIC CORPORA...

1. A sensor unit comprising:
a ceramic member including a first face and a second face opposite to each other with a predetermined interval;
a sensor part mounted on the first face;
a plurality of metal pins fixed to the second face;
a plurality of internal wirings passing through the ceramic member, each of the plurality of internal wirings connecting the
sensor part with one of the plurality of metal pins; and

a metal member formed on a circumferential end of the second face and joined with a housing by welding.

US Pat. No. 9,813,109

COMMUNICATION SYSTEM AND COMMUNICATION METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A wireless communication system comprising a first wireless communication device wirelessly communicating with a second
wireless communication device to establish a first provisioning network, the second wireless communication device receiving
at least one provisioning parameter from the first wireless communication device over the first provisioning network to join
a target communication network that is different from the first provisioning network,
the first wireless communication device having:
a receiver configured to receive a router advertisement transmitted from another wireless communication device in a second
provisioning network that is different from the first provisioning network and the target communication network, the router
advertisement designating a channel hopping pattern used by the another wireless communication device, the channel hopping
pattern used by the another wireless communication device identifying a plurality of channels and a time slot for using each
of the plurality of channels, the channel hopping pattern used by the another wireless communication device including at least
one time slot not used for the plurality of channels and at least one channel in the plurality of channels that is not used;

a generator configured to generate, when the router advertisement is received by the receiver, a channel hopping pattern that
does not use a same channel at a same time defined in the channel hopping pattern designated by the router advertisement received
by the receiver, and configured to select, when the router advertisement is not received by the receiver, a channel hopping
pattern prescribed in advance; and

a transmitter configured to transmit a router advertisement designating the generated channel hopping pattern after the generator
generates the generated channel hopping pattern when the router advertisement is received by the receiver, and configured
to transmit a router advertisement that designates the channel hopping pattern selected by the generator after the generator
selects the channel hopping pattern when the router advertisement is not received by the receiver, and

the second wireless communication device receiving the router advertisement transmitted from the first wireless communication
device to establish the first provisioning network with the first wireless communication device using the channel hopping
pattern designated in the router advertisement received from the first wireless communication device,

wherein the generator is configured to generate the channel hopping pattern which uses only the at least one time slot not
used for the plurality of channels and the at least one channel in the plurality of channels that is not used in the channel
hopping pattern used by the another wireless communication device.

US Pat. No. 9,551,604

MULTIPHASE FLOWMETER

YOKOGAWA ELECTRIC CORPORA...

1. A multiphase flowmeter comprising:
a first flow quantity measurer configured to transmit and receive a first measurement signal, the first flow quantity measurer
being disposed on an outside wall of a vertical pipe line within which fluid flows;

a second flow quantity measurer configured to transmit and receive a second measurement signal, the second flow quantity measurer
being disposed on an outside wall of a horizontal pipe line which is connected to the vertical pipeline; and

a flow quantity parameter calculator configured to receive the first measurement signal from the first flow quantity measurer
and the second measurement signal from the second flow quantity measurer, the flow quantity parameter calculator being configured
to calculate a diameter of gas bubbles in the fluid and a number of the gas bubbles in the fluid in accordance with the first
measurement signal and the second measurement signal, the flow quantity parameter calculator being configured to calculate
a quantity of the gas bubbles in accordance with the diameter of the gas bubbles and the number of the gas bubbles.

US Pat. No. 9,509,566

SYSTEM AND METHOD FOR GENERATING OUTPUT DATA

YOKOGAWA ELECTRIC CORPORA...

1. A primary apparatus for generating an output for use with a secondary apparatus, the primary apparatus comprising a computer
configured with: a configuration validator for determining if a first configuration of the primary apparatus corresponds with
a second configuration of the secondary apparatus; a conflict module for determining a conflict between the first configuration
and the second configuration; a data source validator for either skipping or filtering unsupported features in an input to
the primary apparatus after the conflict is determined by the conflict module, the input being a source file having a format
supported by the first configuration and the unsupported features including features not supported in the second configuration;
and an output generation module to generate the output based on the input after the unsupported features have been skipped
or filtered by the data source validator, wherein each of the first configuration and the second configuration is associated
with a conflict feature set.

US Pat. No. 9,378,094

FAULT TOLERANT SYSTEM AND METHOD FOR PERFORMING FAULT TOLERANT

YOKOGAWA ELECTRIC CORPORA...

1. A fault tolerant system for maintaining a fault tolerant virtual machine, the system comprising a processor that performs
the steps of:
inputting, by a primary virtual machine that 1) is formed on a primary machine in which a primary hypervisor runs, 2) has
a state, and 3) the state includes any one of configuration information on an interrupt mask and contents of a flag register,
a virtual interrupt based on an external interrupt from the primary hypervisor to a primary guest OS:

determining, automatically by the primary virtual machine, whether a suspension position of the virtual interrupt input to
the primary guest OS is in a critical section based on the state of the primary virtual machine, the suspension position being
identified by an execution suspension position executed at a time of inputting the virtual interrupt;

inputting, automatically by the primary virtual machine, the virtual interrupt at the suspension position, if the suspension
position was determined to not be in the critical section;

changing, automatically by the primary virtual machine, the suspension position by 1) advancing execution of the primary guest
OS and 2) confirming the state of the primary virtual machine, and again determining whether the suspension position is in
the critical section, if the suspension position was determined to be in the critical section;

identifying the suspension position as synchronization timing information;
transmitting, by the primary virtual machine, the virtual interrupt and synchronization timing information associated with
the virtual interrupt to a secondary virtual machine that 1) is formed on a secondary machine, which has a different architecture
than the primary machine and runs a secondary hypervisor, and 2) implements a virtual interrupt input conversion unit;

receiving, by the secondary virtual machine, the virtual interrupt and the synchronization timing information; and
advancing execution of the secondary guest OS, by the virtual interrupt input conversion unit, to a virtual interrupt input
position of the received virtual interrupt and suspending the secondary guest OS according to the received synchronization
timing information.

US Pat. No. 9,735,875

FIELD DEVICE AND COMMUNICATION SYSTEM

Yokogawa Electric Corpora...

1. A field device comprising:
a first communication unit configured to perform communication via a communication network;
a second communication unit configured to perform infrared communication with an external device;
a converter configured to convert a message, which has been transmitted from the external device and has been received by
the second communication unit, into alert data which is transmittable to the communication network, the alert data notifying
of an abnormality via the communication network; and

a first controller configured to control the first communication unit to transmit the alert data, which has been converted
by the converter, to the communication network.

US Pat. No. 9,692,477

WIRELESS MODULE, WIRELESS DEVICE, AND FIELD DEVICE CONTROL SYSTEM

Yokogawa Electric Corpora...

3. A wireless module comprising:
an antenna connection end configured to be connected to external antennas;
a circuit configured to select at least one of the external antennas connected to the antenna connection end, the circuit
being configured to transmit and receive wireless signals by using the selected external antenna;

a connector configured to input and output signals which are transmitted and received by the circuit; and
an internal antenna,
wherein the circuit outputs, through the antenna connection end, a control signal for selecting at least one external antenna
of the external antennas connected to the antenna connection end, and

wherein the circuit comprises:
an internal/external antenna selection switch configured to select whether to use the external antennas or the internal antenna.

US Pat. No. 9,541,459

OPTICAL FIBER TEMPERATURE DISTRIBUTION MEASUREMENT DEVICE AND METHOD OF MEASURING OPTICAL FIBER TEMPERATURE DISTRIBUTION

YOKOGAWA ELECTRIC CORPORA...

1. An optical fiber temperature distribution measurement device configured to receive Raman back scattering lights obtained
by inputting a pulsed light into an optical fiber and to measure a temperature distribution along a longitudinal direction
of the optical fiber, the optical fiber temperature distribution measurement device comprising:
a first filter device, the first filter device comprising:
a threshold value setting circuit configured to set a threshold value in accordance with a change in an amount of noise overlapped
with a first measured signal, the first measured signal indicating one of an intensity distribution and a temperature distribution
of the Raman back scattering lights along the longitudinal direction of the optical fiber;

a filter configured to eliminate frequency components of the first measured signal to generate a second measured signal, the
frequency components being larger than a predetermined first frequency;

a determination circuit configured to determine if the first measured signal is over the threshold value; and
a synthesizing circuit configured
to select the second measured signal if the determination result from the determination circuit indicates that the first measured
signal is not over the threshold value,

to select the first measured signal if the determination result from the determination circuit indicates that the first measured
signal is over the threshold value, and

to select the first measured signal for a predetermined term regardless of the determination results from the determination
circuit if the determination results from the determination circuit which indicate that the first measured signal is over
the threshold value are successively obtained; and

an operation unit configured to calculate the temperature distribution along the longitudinal direction of the optical fiber
using the first or second measured signal selected by the synthesizing circuit.

US Pat. No. 9,345,064

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

Yokogawa Electric Corpora...

1. A communication device in which the OSI reference model physical layer and data-link layer perform wireless communication
via at least one of a first wireless network conforming to a first wireless communication standard and a second wireless network
conforming to a second wireless communication standard,
the communication device comprising:
a first path controller that s provided in a network layer of the OSI reference model, creates a first routing table of the
first wireless network, and performs first path control in the first wireless network by using the first routing table;

a second path controller that is provided in a network layer of the OSI reference model, creates a second routing table of
the second wireless network, and performs second path control in the second wireless network by using the second routing table;
and

an identification controller, provided in the data-link layer, that identifies that data, which is received in the physical
layer, based on the identification information included in the data, is to be transmitted via either the first wireless network
or the second wireless network, the identification controller controlling so as to transmit, based on the identification result,
the data via the first wireless network or the second wireless network.

US Pat. No. 9,716,526

WIRELESS MODULE, WIRELESS DEVICE, AND FIELD DEVICE CONTROL SYSTEM

Yokogawa Electric Corpora...

3. A wireless module comprising:
an antenna connection end configured to be connected to external antennas;
a circuit configured to select at least one of the external antennas connected to the antenna connection end, the circuit
being configured to transmit and receive wireless signals by using the selected external antenna;

a connector configured to input and output signals which are transmitted and received by the circuit; and
an internal antenna,
wherein the circuit outputs, through the antenna connection end, a control signal for selecting at least one external antenna
of the external antennas connected to the antenna connection end, and

wherein the circuit comprises:
an internal/external antenna selection switch configured to select whether to use the external antennas or the internal antenna.

US Pat. No. 9,541,430

ELECTROMAGNETIC FLOW METER HAVING AN EARTH RING WITH A RING PLATE PART AND A WALL PART FORMED ALONG AN OUTER PERIPHERY

YOKOGAWA ELECTRIC CORPORA...

1. An electromagnetic flow meter comprising:
a measurement tube having a flange part, the flange part being configured to be coupled to a piping-side flange by a bolt
fastening;

a lining material configured to cover an inside of the measurement tube and an inner periphery area having a predetermined
diameter of a coupling-side surface of the flange part, and

an earth ring configured to be placed between the flange part and the piping-side flange,
wherein the earth ring has a ring plate part and a wall part formed along an outer periphery of the ring plate part
wherein a thickness of the earth ring is changed on a surface thereof facing the lining material.

US Pat. No. 9,176,734

LADDER PROGRAM CREATION APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. A ladder program creation apparatus comprising:
a command listing table storage configured to store a command listing table, the command listing table registering a standard
command and a custom ladder command that constitute a ladder program;

a custom ladder command creation screen configured to create the custom ladder command based on an operation by a user typing
an arithmetic equation on the custom ladder command creation screen;

a custom ladder command storage controller configured to register the custom ladder command, which has been created by the
custom ladder command creation screen, and the standard command in the command listing table; and

a ladder program creation screen configured to display a command display area and a program editing area, the command display
area displaying names of the standard command and the custom ladder command that have been registered in the command listing
table, the program editing area being constituted to create a desired ladder program by dragging and dropping a desired command
selected from the standard command and the custom ladder command displayed in the command display area.

US Pat. No. 9,742,417

SELF-OSCILLATION CIRCUIT

Yokogawa Electric Corpora...

1. A self-oscillation circuit comprising:
a vibration unit, having a vibrator that generates an output based on vibration of the vibrator with an oscillation amplitude
and at a vibration frequency;

a positive feedback circuit that comprises the vibration unit and a positive feedback path which positively feeds back a signal,
based on the output generated by vibration of the vibrator, to the vibration unit;

a negative feedback circuit, which comprises a comparator and a pulse width modulation unit that generates a pulse-width-modulated
signal having a frequency lower than the vibration frequency of the vibrator, based on a comparison result between a value
corresponding to the oscillation amplitude of the vibrator and a reference value;

a switch circuit which is coupled to receive the pulse-width modulated signal and is operative to switch between a connection
and a disconnection of the positive feedback path to the vibration unit in response to the pulse-width-modulated signal; and

a synchronization unit that comprises a flip-flop and a comparator and that is configured to synchronize switching of the
switch circuit with the vibration of the vibrator.

US Pat. No. 9,404,788

SYSTEM OF VERIFYING OPERATION OF ELECTROMAGNETIC FLOW METER

YOKOGAWA ELECTRIC CORPORA...

1. A system of verifying an operation of an electromagnetic flow meter, comprising:
a plurality of comparing modules configured to compare a plurality of parameters respectively obtained from modules of the
electromagnetic flow meter with threshold values respectively, to output compared results; and

a determining module configured to determine in real time an operation state of at least one of a block of an exciting block,
a magnetic circuit block, and a flow rate calculating block, in the electromagnetic flow meter based on at least one of the
compared results output from the plurality of comparing modules,

wherein the determining module is configured to determine in real time the operation state of the block in the electromagnetic
flow meter based on a combination of the compared results output from the plurality of comparing modules.

US Pat. No. 9,726,526

FLOWMETER, INSULATION DETERIORATION DIAGNOSIS SYSTEM, AND INSULATION DETERIORATION DIAGNOSIS METHOD

Yokogawa Electric Corpora...

1. A flowmeter comprising:
an exciter configured to excite fluid which is a measurement target;
a state detector configured to detect a state of the fluid excited by the exciter;
a driver configured to supply exciting current for driving the exciter, the exciting current being an alternating current;
a first current detector that is disposed between the exciter and the driver, the first current detector being configured
to detect the exciting current; and

a processor configured to diagnose insulation deterioration of the exciter in accordance with a change of a detection result
of the first current detector when the exciting current is supplied from the driver to the exciter.

US Pat. No. 9,514,118

METHOD, SYSTEM AND COMPUTER PROGRAM FOR GENERATING ELECTRONIC CHECKLISTS

YOKOGAWA ELECTRIC CORPORA...

1. A method for database implementation of electronic checklists, the method comprising implementing using at least one processor,
the steps of:
displaying at a user interface, a first electronic checklist template within a template editor;
defining a modified electronic checklist template, wherein defining the modified electronic checklist template comprises modifying
the first electronic checklist template based on inputs received at the template editor;

and
generating a database implemented electronic checklist template, the database implemented electronic checklist template comprising:
a markup language encoding of the modified electronic checklist template; and
at least one system controlled column, wherein data input within data fields of the at least one system controlled column
is determined by:

one or more system information parameters; and
one or more predefined rules of system behaviour associated with the at least one system controlled column.

US Pat. No. 9,472,119

COMPUTER-IMPLEMENTED OPERATOR TRAINING SYSTEM AND METHOD OF CONTROLLING THE SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A computer-implemented training system comprising:
a) an operator training server including:
a-i) a plant model configured to provide plant-model-related data that is related to at least a plant model with virtual environments;
and

a-ii) a simulator configured to generate a simulated plant model, in accordance with input conditions for simulation;
b) a plant replica server communicatively coupled to the operator training server, the plant replica server having a plant
replica associated with the simulated plant model, wherein the plant replica provides scaled dimensions of each structure
in three-dimensions and relative distances between structural, elements of a plant;

c) a virtual environment reproducer communicatively coupled to the plant replica server, the virtual environment reproducer
being configured to receive updated plant-model-related data from the simulator, the virtual environment reproducer being
configured to reproduce an updated virtual environment of the simulated plant model generated by the simulator, based on the
plant replica provided by the plant replica server, and based on the updated plant-model-related data from the simulator;

d) a motion sensing system communicatively coupled to the plant replica server, the motion sensing system being configured
to sense motions of a field operator as a first trainee acting in the virtual environment, the motion sensing system being
configured to send a first type of update associated with the sensed motions to the plant replica server and the operator
training server, and to allow the plant replica server to reflect the first type of update to the virtual environment reproduced
by the virtual environment reproducer;

e) a first user interface communicatively coupled to the operator training server, the first user interface being configured
to receive the simulated plant model and a training scenario from the simulator and display the simulated plant model and
training scenario, the first user interface being configured for a trainer to set conditions in the plant model for generating
a second type of update associated with the training scenario, and the first user interface being configured to send the second
type of update associated with the training scenario to the operator training server and the plant replica server, and to
allow the plant replica server to reflect the second type of update to the virtual environment reproduced by the virtual environment
reproducer; and

f) a second user interface communicatively coupled to the operator training server, the second user interface being configured
to receive the simulated plant model and training scenario from the simulator and display the simulated plant model and training
scenario, the second user interface being configured for a console operator to operate a console, and the second user interface
being configured to send a third type of update associated with input signals of console operation by the console operator
to the operator training server and the plant replica server, and to reflect the third type of update to the virtual environment
reproduced by the virtual environment reproducer.

US Pat. No. 9,454,442

FAULT TOLERANT SYSTEM AND METHOD FOR PERFORMING FAULT TOLERANT

YOKOGAWA ELECTRIC CORPORA...

1. A fault tolerant system, comprising:
a primary virtual machine, executed by a first CPU, that 1) is formed on a primary machine in which a primary hypervisor runs
and 2) operates a interrupt frequency adjustment unit, the primary virtual machine performing the steps of:

receiving a plurality of external interrupts from the primary hypervisor and generating a virtual interrupt in response to
each received external interrupt, wherein the primary hypervisor generates fixed period external interrupts based on a signal
from a timer and generates unfixed period external interrupts based on multiple points of time associated with data reception
in a network interface card (NIC);

if the received external interrupt is fixed, performing the steps of:
determining a thinning rate for each factor of the external interrupts of the fixed period;
generating, by the interrupt frequency adjustment unit, virtual interrupts based on the thinning rate, wherein the amount
of virtual interrupts is less than the amount of external interrupts of the fixed period;

transmitting each virtual interrupt that is generated to the primary guest OS; and
determining timing information associated with the delay in transmitting the virtual interrupt to the primary guest OS;
if the received external interrupt is unfixed, performing the steps of:
omitting, by the interrupt frequency adjustment unit, any external interrupts associated with a point of time not related
to completion of the data reception;

for the external interrupt associated with completion of the data reception, generating, by the interrupt frequency adjustment
unit, a virtual interrupt to the primary guest OS; and

transmitting the virtual interrupt to the primary quest OS; and
transmitting synchronization information to a secondary virtual machine wherein the synchronization information comprises
the virtual interrupts and the timing information; and

the secondary virtual machine, executed by a second CPU that has the same architecture as the first CPU, that is formed on
a secondary machine in which a secondary hypervisor runs, inputs each fixed period virtual interrupt transmitted from the
primary virtual machine to a secondary guest OS on the basis of the timing information and each unfixed virtual interrupt
transmitted from the primary virtual machine to a secondary guest OS to synchronize the secondary virtual machine with the
primary virtual machine.

US Pat. No. 9,448,287

BATTERY MONITORING DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A battery monitoring device for real-time measurement and monitoring of a battery module driving an actual load and having
a plurality of battery cells connected together in series, comprising:
a plurality of power and impedance calculators each provided for one of the plurality of battery cells, and configured to
receive voltage signals and current signals from the plurality of battery cells, respectively and to measure instantaneous
power values and internal impedance characteristics of the plurality of battery cells, respectively;

a battery module state manager configured to receive output data of the plurality of power and impedance calculators via an
internal bus,

a load state monitor configured to monitor a state of load of the battery module, and to input a detection signal to the plurality
of power and impedance calculators and the battery module state manager; and

an accelerator work monitor configured to monitor movement of the accelerator which is part of a vehicle driving system as
a load device of the battery module, and to supply the resulting detection signal to the plurality of power and impedance
calculators and the battery module state manager,

wherein, based on a detection signal of variation of at least one of an accelerator, current, voltage, or a power waveform,
a condition occurs, the condition comprising extraction of at least one of the current, voltage, or power waveform, and setting
at least one of a sampling clock frequency, correction of measurement data, or a frequency analysis,

wherein each of the plurality of power and impedance calculators is configured to acquire measurement data at such a time
resolution and based on a time span that optimum estimation of a time constant of reaction occurring in a battery cell is
enabled according to the reaction time constant, and to estimate constants of an equivalent circuit that are considered to
govern the time constant using the acquired measurement data.

US Pat. No. 9,350,651

PACKET FORWARDING DEVICE AND WIRELESS COMMUNICATION SYSTEM

Yokogawa Electric Corpora...

1. A packet forwarding device that performs forwarding of a packet between first and second wireless communication networks
to which different identifiers are attached, the first wireless communication network being connected to a main network, the
packet forwarding device comprising:
a relay network that is interposed between the first and second wireless communication networks;
a first processing unit that is connected to the first wireless communication network, the first processing unit performing
first routing control by using first routing information in which either one of the main network and a wireless communication
network is defined as an outgoing interface for each ending point address of the packet, analyzing the main network defined
in the first routing information as the relay network, and analyzing the wireless communication network defined in the first
routing information as the first wireless communication network; and

a second processing unit that is connected to the second wireless communication network, the second processing unit performing
second routing control by using second routing information in which either one of the main network and a wireless communication
network is defined as an outgoing interface for each ending point address of the packet, analyzing the main network defined
in the second routing information as the relay network, and analyzing the wireless communication network defined in the second
routing information as the second wireless communication network.

US Pat. No. 9,312,585

ISOLATION CIRCUIT, SYSTEM FOR ADJUSTING CHARACTERISTIC OF ISOLATION CIRCUIT, SHEILDING DEVICE OF ISOLATION CIRCUIT AND METHOD FOR ADJUSTING CHARACTERISTIC OF ISOLATION CIRCUIT

Yokogawa Electric Corpora...

1. An isolation circuit comprising:
a cell region including a plurality of arrayed cells, each of which has a first conductor that has at least one capacitance,
a second conductor that is connected to the first conductor, has an inductance, and is short-circuited to a common electric
potential, and a feed line that is placed without a connection with the first conductor and the second conductor, each size
of which is smaller than a wavelength of a signal which is subject to operation of the cells;

at least one power amount controller that controls an amount of electric power to be fed to each of the feed lines of the
respective cells of the cell region, thereby controlling either or both a dielectric constant and/or magnetic permeability
of the cell region; and

a circuit section that is placed at a location where the circuit section undergoes action of either or both the dielectric
constant and/or the magnetic permeability and that electrically isolates an input side from an output side.

US Pat. No. 9,214,853

TWO-WIRE TRANSMITTER STARTER CIRCUIT AND TWO-WIRE TRANSMITTER INCLUDING THE SAME

Yokogawa Electric Corpora...

1. A two-wire transmitter starter circuit which is configured to stably supply power at the time of start-up, the two-wire
transmitter starter circuit comprising a starter current generation circuit, the starter current generation circuit being
connected in parallel with a current conversion unit configured to convert a detection signal of a sensor to a predetermined
DC current,
wherein the starter current generation circuit comprises a first series circuit where a first resistor and a shunt regulator
are connected in series, and a second series circuit where a switching element and a second resistor are connected in series,

wherein the shunt regulator comprises a first control terminal connected to a connection point of the switching element and
the second resistor, and

wherein the switching element comprises a second control terminal connected to a connection point of the first resistor and
the shunt regulator.

US Pat. No. 9,766,445

CELL SUCTION SUPPORT SYSTEM

Yokogawa Electric Corpora...

1. A cell suction support system comprising:
at least one light source configured to illuminate a cell container comprising at least one cell well, the at least one light
source comprises at least one of at least one fluorescence illumination, and at least one bright field illumination;

at least one camera operative to acquire at least one image of the at least one cell well illuminated by said at least one
light source;

at least one information processor configured to execute:
image acquisition to operate said at least one camera to acquire the at least one image of the at least one cell well;
image processing to:
match at least one part of the at least one acquired image with at least one template image, and
detect and identify, based on a result of the match, a specific cell in the at least one cell well having a characteristic
amount of at least one parameter that satisfies a predetermined condition; and

movement control to control at least one of movement of the cell container so that the specific cell is placed at a predetermined
suction position, and movement of a suction tip to the predetermined suction position;

a display configured to display information concerning the at least one cell well so that the specific cell is distinguishable;
a first stage configured to move, in response to the movement control, the cell container so that the specific cell is placed
at the predetermined suction position; and

a second stage configured to move, in response to the movement control, the suction tip to the predetermined suction position
to perform suction of the cell such that the suction tip is disposed perpendicularly to the predetermined suction position,
wherein

when the at least one light source includes the at least one bright field illumination, the suction tip suctions the specific
cell through a space provided in a center of the bright field illumination.

US Pat. No. 9,857,208

MEASUREMENT DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A measurement device comprising:
a first controller configured to output a control signal, the control signal designating both an input signal and a calibration
signal to be converted into a digital input signal and a digital calibration signal, respectively, the input signal being
input from an outside of the measurement device, the calibration signal being previously prepared; and

a second controller configured to perform a first control and then to perform a second control based on the control signal
output from the first controller, the first control being for selecting the input signal and converting the selected input
signal into the digital input signal, the second control being for selecting the calibration signal and converting the selected
calibration signal into the digital calibration signal and for calculating a measured value using the digital input signal
converted by the first control and another digital calibration signal converted by a control performed before the first control,

wherein the second controller is configured to perform the conversion of the calibration signal into the digital calibration
signal and the calculation of the measured value in parallel.

US Pat. No. 9,683,878

ELECTROMAGNETIC FLOWMETER

Yokogawa Electric Corpora...

1. An electromagnetic flowmeter configured to apply a magnetic field, which is generated by excitation current, to a fluid
to be measured flowing in a measurement tube, and to measure a flow rate of the fluid to be measured on the basis of a detection
signal to be generated from an electrode provided in the measurement tube, the electromagnetic flowmeter comprising:
an excitation circuit configured to generate the excitation current having a positive excitation period, a negative excitation
period and a non-excitation period; and

a diagnosis unit configured to detect an abnormality based on characteristics of the fluid to be measured, on the basis of
a level of the detection signal in a non-excitation stable period, which is a period in which a differential noise of detection
signal to be generated in the non-excitation period converges.

US Pat. No. 9,605,949

DISPLACEMENT SENSOR, SPECTRAL CHARACTERISTIC MEASURING APPARATUS, COLOR MEASURING APPARATUS, PLANAR MEASURED OBJECT QUALITY MONITORING APPARATUS, DISPLACEMENT MEASURING METHOD, SPECTRAL CHARACTERISTIC MEASURING METHOD, AND COLOR ME

Yokogawa Electric Corpora...

1. A displacement sensor comprising:
a light source unit configured to apply measuring light in a direction oblique to a surface including a measurement region
of a planar measured object;

a spectroscope configured to measure a spectral distribution of the measuring light reflected by the measurement region;
a feature amount extracting module configured to extract a feature amount of the spectral distribution; and
a displacement calculating module configured to calculate a displacement of the measurement region based on the extracted
feature amount and a relation between the displacement and a feature amount acquired previously,

wherein the light source unit includes a light source configured to emit light with a wavelength of a predetermined range,
and an optical element in which a transmission wavelength or a reflection wavelength changes according to an incidence angle
or an incidence position,

wherein the measuring light is light whose wavelength changes according to an emission direction, which is generated by applying
the light from the light source to the optical element obliquely at an angle where an optical axis of the light source is
constant,

wherein a wavelength distribution is generated on the surface including the measurement region by the measuring light so that
the light reflected from the measurement region is changed according to the displacement of the planar measured object, and

wherein the feature amount is a peak wavelength or a peak frequency of the spectral distribution.

US Pat. No. 9,560,637

MANAGEMENT APPARATUS AND COMMUNICATION SYSTEM

YOKOGAWA ELECTRIC CORPORA...

8. A management method for managing a wireless communication network formed by a plurality of wireless communication devices
capable of TDMA wireless communication, comprising:
managing extended links, each extended link defining channels and timeslots used in the TDMA wireless communication, specifying
a communication direction and setting respective property information characterizing the wireless communications performed
by the wireless communication devices using the extended link,

wherein the property information contains at least one of: information indicating a communication protocol, a frequency channel,
an antenna, a modulation, a cryptographic algorithm, and a cryptographic key, which are used in the wireless communication,
information indicating the bandwidth of the wireless communication, and information indicating another wireless network to
be connected to the wireless network.

US Pat. No. 9,503,312

NETWORK MANAGEMENT SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A network management system for redundantly connecting field wireless management stations comprising:
a plurality of field wireless management stations having gateway functions and system management functions incorporated; and
a synchronizing cable and connectors provided in the synchronizing cable,
wherein the field wireless management stations include at least switch modules,
wherein the plurality of field wireless management stations are directly connected to each other through the synchronizing
cable and the synchronizing connectors provided in the synchronizing cable, the synchronizing cable comprising a signal wire
without further components that directly connects the synchronizing connectors, and switches are connected in series to a
synchronizing system which connects the switch modules to each other to turn on and off the system, and

wherein the synchronizing cable comprises a first group of signal wires associated with a first connector, the first group
of signal wires comprising a first short circuit connection, and a second group of signal wires associated with a second connector,
the second group of signal wires comprising a second short circuit connection.

US Pat. No. 9,194,900

ELECTRODE EVALUATION APPARATUS AND ELECTRODE EVALUATION METHOD

YOKOGAWA ELECTRIC CORPORA...

1. An electrode evaluation apparatus for evaluating a characteristic of an electrode based on an electrochemical property,
the electrode evaluation apparatus comprising:
a potential control unit configured to control a potential applied to an electrode;
an impedance acquiring unit configured to acquire an impedance characteristic of the electrode under a specific DC operating
condition provided by the potential control unit;

a current value acquiring unit configured to acquire a temporal change in direct current value under the specific DC operating
condition; and

a normalized impedance calculation unit configured to apply the temporal change in direct current value acquired by the current
value acquiring unit to calculate a normalized impedance where impedance acquired by the impedance acquiring unit is multiplied
by the direct current value.

US Pat. No. 9,146,161

OPTICAL WAVELENGTH METER

YOKOGAWA ELECTRIC CORPORA...

1. An optical wavelength meter, comprising:
an interferometer;
a laser configured to oscillate in a multi-longitudinal mode; and
a signal processor configured to calculate a wavelength of an input beam with reference to interference fringe information
of a multi-longitudinal mode reference beam generated by the laser and interference fringe information of the input beam obtained
from the interferometer.

US Pat. No. 10,108,183

PROCESS CONTROL SYSTEM AND CONFIGURATION SYSTEM

YOKOGAWA ELECTRIC CORPORA...

12. A non-transitory computer readable medium that stores a computer program to be executed by a configuration system to perform a configuration method performed by a configuration system for a process control system configured to perform process control, the configuration method comprising:storing, in a memory, a definition module for a part of an industrial plant based on design data, wherein the part comprises at least one of plant equipment and field devices of the industrial plant, the definition module comprising:
a control logic definition file configured to define a control logic for the part wherein the control logic is to be converted into control data for execution in a field controller configured to control the at least one of plant equipment and field devices in accordance with the design data,
a data definition file configured to define data relating to the defined control logic, wherein the control logic comprises a control logic parameter, and the control logic is to be converted into control data for execution in a field controller configured to control the at least one of plant equipment and field devices in accordance with the design data; and
a property file configured to store a module property for the part updating the definition module;
storing, in the memory, an application module;
performing at least one of generation and modification of the control logic definition file and the data definition file to perform at least one of generation and modification of the application module, based on the control logic definition file, the data definition file, and the property file of the definition module;
generating the definition modules for each different status of equipment;
identifying, for each of the definition modules, the part, the sub-parts, the control logic definition, and the application module related to the definition module;
retrieving, from the database, the part, the sub-parts, the control logic definition, and the application module related to the definition module;
generating a link between the application module and the definition module;
storing the link into the database; and
generating a link between the application module and a controller when the application module is assigned to the controller to logically bind the at least one plant equipment and the field devices of the industrial plant to the controller, and to place the at least one of the plant equipment and the field devices of the industrial plant into an independent state on the physical connection with the controller.

US Pat. No. 9,735,622

ISOLATED SIGNAL TRANSMISSION APPARATUS

Yokogawa Electric Corpora...

1. An isolated signal transmission apparatus configured to isolatingly transmit, from a control-side apparatus to a control
target apparatus, an electric signal obtained by superimposing a communication signal on a direct-current signal, said apparatus
comprising:
a lower limiter circuit configured to output, to the control target apparatus, a direct-current signal, whose value is a predetermined
lower limit value, if a value of the direct-current signal from the control-side apparatus is less than the predetermined
lower limit value.

US Pat. No. 9,594,120

BATTERY MONITORING APPARATUS AND WIRELESS FIELD DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A battery monitoring apparatus to be built in a device in which a primary battery is used as a driving power source, comprising:
a voltage measuring module configured to obtain an open circuit voltage of the primary battery and an output voltage of the
primary battery at the time when a load current flows;

a current measuring module configured to obtain the load current of the primary battery;
a first resistance value calculating module configured to obtain a first internal resistance of the primary battery on the
basis of the open circuit voltage, the load current and the output voltage;

a second resistance value calculating module configured to obtain a second internal resistance of the primary battery at which
the device can operate normally on the basis of the open circuit voltage, the load current and a minimum drive voltage inherent
in the device; and

an alarm outputting module configured to output a battery life alarm when the first internal resistance is larger than the
second internal resistance,

wherein the second resistance value calculating module obtains the corresponding second internal resistance based on the open
circuit voltage, by referring to a correspondence table of the open circuit voltage of the primary battery and the second
internal resistance of the primary battery on the basis of a simulation performed in consideration of wireless communication
of the device.

US Pat. No. 9,347,877

LASER GAS ANALYZER

YOKOGAWA ELECTRIC CORPORA...

1. A laser gas analyzer comprising:
a wavelength-variable laser having a wavelength-variable width;
a calibrating gas cell in which wavelength calibrating gas is sealed, wherein the light of the wavelength-variable laser is
made to be incident to the calibrating gas cell;

a light-split module configured to split an output light of the calibrating gas cell into a measurement light and a reference
light, the reference light is for wavelength calibration;

a first gas cell into which gases to be measured are introduced, wherein the measurement light is made to be incident to the
first gas cell;

a photoelectric section configured to convert the reference light and an output light of the first gas cell into electrical
signals; and

a data processor configured to obtain an absorption spectrum of each of the gases to be measured based on a reference signal
related to the reference light and an absorption signal related to the output light of the first gas cell, and to obtain concentrations
of the respective gases to be measured based on areas of the absorption lines of the gasses to be measured, wherein the data
processor includes;

an absorption line wavelength data storage configured to store absorption line wavelength data of the gases to be measured;
a wavelength calibrator into which the reference signal and the absorption signal are inputted and which is connected to the
absorption line wavelength data storage, configured to calibrate wavelength of the absorption spectrum based on the absorption
line wavelength data, the reference signal, and the absorption signal, and to obtain an absorption spectrum of an absorbance
by performing division of the wavelength-calibrated reference signal and the absorption signal;

an absorption spectrum data storage configured to store absorption spectrum data of the gases to be measured;
a spectrum separator into which the absorption spectrum of the absorbance is inputted from the wavelength calibrator and which
is connected to the absorption spectrum data storage, and configured to separate the absorption spectrum of the absorbance
of each of the gases to be measured from the absorption spectrum of the absorbance;

an area-to-concentration ratio data storage configured to store wavelength range data used for calculating areas of the absorption
lines of the gases to be measured and to store proportional constant data of the area and gas partial pressure; and

a concentration detector into which the absorption spectrum of each of the gases to be measured is inputted from the spectrum
separator and which is connected to the area-to-concentration ratio data storage, configured to obtain an area of a designated
wavelength range, and to calculate partial pressures of the gases to be measured.

US Pat. No. 10,126,921

FIELD DEVICE MANAGEMENT APPARATUS, DEVICE INFORMATION DISPLAY METHOD, COMPUTER-READABLE STORAGE MEDIUM

Yokogawa Electric Corpora...

1. A field device management apparatus communicably connected to one or more field devices, the field device management apparatus comprising a memory and at least one microprocessor in conjunction with the memory configured to:obtain, from a field device of the one or more field devices that are installed in a plant and are connected to the field device management apparatus, fundamental information and one or more parameters determining operation contents;
automatically register device information without a worker's instruction by uniquely determining device identification information based on the fundamental information and storing, in association with the determined device identification information, the device information including the fundamental information and the one or more parameters from the field device connected to the management apparatus;
generate a device information display screen that displays a list of the device information corresponding to each of the one or more field devices that are installed in the plant and are connected to the field device management apparatus, and that receives an edit of the device information.

US Pat. No. 9,907,069

COMMUNICATION DEVICE, COMMUNICATION SYSTEM, AND COMMUNICATION METHOD

Yokogawa Electric Corpora...

1. A communication system comprising:
a system management device configured to communicate with a terminal device, the system management device being configured
to create at least one hopping table that specifies time slots, frequency channels, and multi-hop wireless communication links
for multi-hop wireless communication, based on information set by the terminal device;

a first wireless field device configured to perform at least one of measuring at least a specific physical quantity and manipulating
the at least a specific physical quantity, the first wireless field device comprising a first directional antenna, the first
wireless field device comprising a first control unit configured to acquire the at least one hopping table from the system
management device and store the at one least hopping table and to select the first directional antenna for a first communication
link based on the time slots, the frequency channels, and the multi-hop wireless communication links specified by the at least
one hopping table; and

a second wireless field device as a relay station for a multi-hop wireless communication based on the time slots, the frequency
channels, and the multi-hop wireless communication links specified by the at least one hopping table between the first wireless
field device and the system management device, the second wireless field device as the relay station configured to perform
at least one of measuring at least a specific physical quantity and manipulating the at least a specific physical quantity,
the second wireless field device comprising a second directional antenna which is directed toward the system management device,
and a third directional antenna which is directed toward the first wireless field device, and the second wireless field device
comprising a second control unit configured to acquire the at least one hopping table from the system management device and
store the at least one hopping table and to select the second directional antenna for a second communication link and the
third directional antenna for a third communication link based on the time slots, the frequency channels, and the multi-hop
wireless communication links specified by the at least one hopping table to allow the multi-hop wireless communication between
the first wireless field device and the system management device for performing at least one of transmitting data of the measured
at least specific physical quantity from the first wireless field device through the second wireless field device to the system
management device and transmitting manipulation data for manipulating the at least a specific physical quantity from the system
management device through the second wireless field device to the first wireless field device.

US Pat. No. 9,898,420

ELECTRONIC DEVICE, OPERATING SYSTEM AND ACCESS CONTROL METHOD FOR PROTECTION OF A REGISTER THROUGH AN APPLICATION PROGRAMMING INTERFACE

Yokogawa Electric Corpora...

1. An electronic device, in which an operating system and a process are operated, the electronic device comprising:
a processor configured to execute program code, the program code comprising the operating system;
a memory protection unit configured to protect an access to a register of a device arranged in an address space,
wherein the operating system sets an access right for the operating system to access the register by using the memory protection
unit, the operating system setting the access right on initialization of the operating system,

wherein the operating system prepares an application programming interface (API),
wherein the process, using the API to request an operation of the device, operates the device and accesses the register via
the operating system, the process accessing the register in accordance with the operation request, and

wherein the memory protection unit, in response to the process attempting to directly access the register without the operating
system, detects an access violation and does not permit the process to bypass the operating system and directly access the
register.

US Pat. No. 9,631,983

OPTICAL FIBER TEMPERATURE DISTRIBUTION MEASURING DEVICE

Yokogawa Electric Corpora...

1. An optical fiber temperature distribution measuring device which measures a temperature distribution along an optical fiber
by using backward Raman scattering light generated in the optical fiber, the device comprising:
an arithmetic controller that changes a plurality of calibration parameters in conjunction with each other on the basis of
a measured temperature value and a reference temperature value at a to-be-measured point, thereby converging a calibrated
value of the measured temperature to the reference temperature value based on a loss difference of Stokes light and anti-Stokes
light in a longitudinal direction of the optical fiber.

US Pat. No. 9,626,600

EVENT ANALYZER AND COMPUTER-READABLE STORAGE MEDIUM

YOKOGAWA ELECTRIC CORPORA...

1. An event analyzer configured to analyze events including alarms which occur in a plurality of devices, and operations which
are performed on the plurality of devices, the event analyzer, comprising:
an event log collection module configured to collect an event log including occurrence-time-and-date of the event, a device
identifier, and an event-type identifier;

an event log storage module configured to convert the event log into an event matrix that represents, in chronological order,
presence/absence of occurrence of each device event obtained by combining the device identifier with the event type identifier
with each other, and to store the event matrix;

an event occurrence-order determination module configured to determine occurrence-order of device events, based on the event
matrix;

a Bayesian network generation module configured to specify device events serving as parent node candidates with respect to
a device event serving as a processing object, based on the occurrence-order, to calculate evaluation values corresponding
to each specified parent node candidate, based on an information amount reference, at a virtual device event obtained by shifting
the device event serving as a processing object each unit time, and to select an device event serving as a parent node together
with a shift amount, thereby to generate a Bayesian network; and

an analysis module configured to output a device event estimated as a cause of a device event to be analyzed, or a device
event estimated to occur later, together with time-difference information based on the shift amount.

US Pat. No. 9,332,630

INSULATION CIRCUIT AND COMMUNICATION EQUIPMENT

Yokogawa Electric Corpora...

14. The communication equipment performing at least one of transmission and reception of an RF signal; the communication equipment
comprising:
an insulation circuit comprising:
a first pattern formed on a first layer of a board and receiving the RF signal;
a second pattern formed on the first layer next to the first pattern and outputting the RF signal received by the first pattern;
a third pattern formed on a second layer different from the first layer of the board so as to overlap the first and second
patterns respectively when seen in a plan view manner and connecting to a signal ground; and

a fourth pattern formed on the second layer next to the third pattern so as to overlap the first and second patterns respectively
when seen in a plan view manner and connecting to a frame ground, wherein

a signal line in which the RF signal is transmitted is connected to the first and second patterns and the signal ground and
the frame ground are DC-insulated.

US Pat. No. 9,164,150

DEVICE FOR CALCULATING IMPEDANCES OF BATTERY CELL AND BATTERY IMPEDANCE MEASURING SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A device for calculating impedances of a battery cell for respective frequency domains, the device comprising:
a Fourier transformation calculator configured to perform Fourier transformation on voltage waveform data and current waveform
data, which are output from the battery cell, and calculate an impedance of the battery cell by dividing a Fourier transformation
data of the voltage waveform data by a Fourier transformation data of the current waveform data;

a circuit constant estimator configured to estimate circuit constants of a predetermined equivalent circuit model of the battery
cell, based on the impedance calculated by the Fourier transformation calculator;

an impedance estimator configured to estimate impedances of the battery cell for respective frequency domains, based on the
estimated circuit constants and the equivalent circuit model;

a non-variable circuit constant storage unit configured to store a non-variable circuit constant of the estimated circuit
constants therein; and

a variable circuit constant storage unit configured to store a variable circuit constant of the estimated circuit constants
therein.

US Pat. No. 9,882,572

FIELD DEVICE AND DETECTOR

Yokogawa Electric Corpora...

1. A field device comprising:
a detector comprising:
a sensor configured to acquire an analog measurement signal;
an analog-to-digital converter configured to convert the analog measurement signal to a digital signal; and
a first processor configured to convert the digital signal into a measurement value to generate a digital signal representing
at least the measurement value; and

a converter configured to convert the digital signal representing at least the measurement value into a unified instrumentation
signal to output the unified instrumentation signal,

wherein the detector is configured to transmit, to the converter, the digital signal representing at least the measurement
value, which was generated by the first processor, together with the analog measurement signal that was acquired by the sensor.

US Pat. No. 9,773,097

SYSTEM AND METHOD OF OPTIMIZING BLENDING RATIOS FOR PRODUCING PRODUCT

Yokogawa Electric Corpora...

1. An optimization system comprising:
one or more processors;
a recipe optimizer configured to randomly distribute solutions within predefined upper and lower limits of i) acceptable ranges
in volumes of feed tanks and final product tanks; and ii) acceptable ranges in properties of an oil product, to generate random
solutions including a random blending ratio of blending components for at least a product;

a loop search engine configured to perform a loop search based on the random solutions, and to generate a first optimized
blending ratio; and

a local search engine configured to perform a local search based on the first optimized blending ratio, and to generate a
second optimized blending ratio,

wherein the loop search engine and the local search engine are implemented on the one or more processors.

US Pat. No. 9,397,994

PACKET FORWARDING DEVICE, PACKET FORWARDING SYSTEM, AND PACKET FORWARDING METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A packet forwarding device comprising:
an evaluator configured to perform a first judgment of whether or not an extended header for storing authentication information
is added to a packet, the authentication information being for authenticating communication quality control information stored
in a header of the packet transmitted via a network, and evaluate whether or not the authentication information is proper,
the evaluation being made when the extended header for storing the authentication information is added to the packet;

an encryption processor configured to calculate the authentication information using at least pre-established communication
quality control information, the calculation being made when the extended header is not added to the packet;

a packet processor configured to generate, as a packet to be transmitted toward a transmission destination, a packet in which
the pre-established communication quality control information is added to the header and the extended header for storing the
authentication information calculated by the encryption processor is added to the packet when the extended header is not added
to the packet; and

a forwarder configured to control a communication quality, using the communication quality control information, and forward
the packet toward the transmission destination, the control being made when the authentication information is evaluated by
the evaluator to be proper, the forwarder controlling communication quality using the pre-established communication quality
control information and forwarding the packet generated by the packet processor toward the transmission destination when the
extended header is not added to the packet.

US Pat. No. 9,048,481

BATTERY HOUSING DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A battery housing device comprising: a case configured to house a battery and having a plus terminal and a minus terminal;
a plus pole spring provided in the case and having one end connected to the plus terminal and an opposite end configured to
come in contact with a plus pole of the battery; a minus pole spring provided in the case and having one end connected to
the minus terminal and an opposite end configured to come in contact with a minus pole of the battery; and a battery support
configured to support a bottom face of the battery and to support a side wall of the battery, wherein the battery support
comprises: at least one battery fixing part comprising a hole through which one of the plus pole spring or the minus pole
spring is connected to the battery, and comprising a plurality of fixing members configured to be placed in a margin of the
bottom face of the battery and to support the bottom face of the battery when the battery is inserted, and at least one side
wall support part, wherein the at least one side wall support part is a flat plate extending in a length direction of the
battery, joined to one end of the battery fixing part, and a surface of the flat plate is configured to come in contact with
the side wall of the battery to support the battery, wherein the battery can be attached to and detached from the battery
support in the length direction of the battery, and wherein the plurality of fixing members surround the margin of the bottom
face of the battery and press and clamp the battery in a radius direction of the battery.

US Pat. No. 9,581,480

MICRO FLOW SENSOR

YOKOGAWA ELECTRIC CORPORA...

1. A micro flow sensor, comprising:
a flow path through which a fluid to be measured flows;
a detection unit having:
a heater configured to heat the fluid to be measured in the flow path, and
temperature sensors configured to measure a temperature of the fluid to be measured in the flow path;
an arithmetic unit configured to measure a flow rate of the fluid to be measured flowing through the flow path based on the
temperature of the fluid to be measured, measured by the temperature sensors;

a narrowed portion disposed on an upstream side of the detection unit in the flow path for narrowing the flow path; and
a first base plate and a second base plate connected to each other, the first base plate has first and second surfaces, the
second surface being a connection surface connected with the second base plate, the second base plate has third and fourth
surfaces, the third surface being a connection surface connected with the second surface, wherein: the narrowed portion is
provided on an inlet for introducing the fluid to be measured into the flow path and includes a stepped portion formed on
the third surface of the second base plate at a boundary between the flow path and the inlet, wherein the stepped portion
defines an inner side wall of the second base plate, the inner side wall partially overlapping the inlet,

the detection unit is disposed outside of the narrowed portion in the flow path,
at least one of the base plates has a groove for defining the flow path,
the first base plate has the inlet,
the detection unit is disposed outside the second base plate to overlap the flow path,
the first and second base plates each have a groove for defining the flow path, and
a width Du of the groove in the second base plate and a width Dd of the groove in the first base plate satisfy a relationship
of Du ?Dd.

US Pat. No. 9,523,970

FIELD DEVICE INFORMATION DISPLAY APPARATUS AND METHOD THAT DISPLAY INFORMATION BASED ON PROXIMITY

YOKOGAWA ELECTRIC CORPORA...

1. A device information display apparatus comprising:
a communication unit configured to communicate with a field device;
a display device configured to display parameters of the field device and values of the parameters acquired by communicating
with the field device via the communication unit;

a storage unit;
a display control unit configured to associate first position information, which indicates a position of the device information
display apparatus at which the values of the parameters displayed on the display device are acquired, and reproduction information,
which is for reproducing the parameters that have been modified based on a first operation instruction for the parameters
displayed on the display device, and to store the first position information and the reproduction information into the storage
unit;

a position information acquisition unit configured to acquire second position information that indicates a current position
of the device information display apparatus and provide the second position information to the display control unit; and

a setting unit configured to change the values of the parameters set to the field device based on a second operation instruction
for the values of the parameters,

wherein the display control unit is configured to:
calculate a distance between positions indicated by the first position information stored in the storage unit and the second
position information,

identify at least one field device associated with the first position information in which the distance between the positions
indicted by the first position information and the second position information is no greater than a prescribed reference distance,

read out the reproduction information associated with the identified at least one field device from the storage unit, to reproduce
the parameters on the display device using the reproductions information associated with the identified at least one field
device, and

display the parameters, which have been modified based on the first operation instruction for the parameters, on the display
device, to associate the second position information acquired by the position information acquisition unit with the reproduction
information for reproducing the modified parameters, and to store the second position information as the first position information
and the reproduction information for reproducing the modified parameters into the storage unit,

wherein the display control unit is configured to be capable of displaying a two-dimensional map showing a relationship between
the position indicated by the first position information stored in the storage unit and the position indicated by the second
position information acquired in the position information acquisition unit.

US Pat. No. 9,742,110

ELECTRONIC DEVICE

Yokogawa Electric Corpora...

1. An electronic device comprising:
a plug-in module including a printed substrate on which an electronic circuit is mounted; and
a baseplate to which the plug-in module is detachably connected,
wherein a system side and a field side are connected with each other, and a predetermined option function is included in the
plug-in module,

wherein the electronic device further comprises an intermediate stopper which is configured to stop a movement of the plug-in
module temporarily before the plug-in module is connected to the baseplate and after the plug-in module is disconnected from
the baseplate,

wherein the baseplate has a projection, and
wherein the intermediate stopper is configured to stop the movement of the plug-in module in a state that the intermediate
stopper engages with the projection.

US Pat. No. 9,705,483

FIELD DEVICE

Yokogawa Electric Corpora...

1. A field device comprising:
a current output circuit;
a sensor circuit; and
a terminal portion including a rectifying element,
wherein the current output circuit and the sensor circuit are connected a two-wire loop wiring via the terminal portion in
a state that the current output circuit and the sensor circuit are connected in series with each other, and

wherein the rectifying element is connected to only a sensor circuit side of the terminal portion.

US Pat. No. 9,697,471

DEVICE AND METHOD FOR MANAGING PLANT MODEL

YOKOGAWA ELECTRIC CORPORA...

1. A plant model management device comprising:
a generation unit configured to
receive a first set of prior probability distributions of a first set of automatic operation parameters, the first set of
automatic operation parameters defining a condition required for modeling a plant model, and the plant model being a model
based on data concerning a plant, and

generate a first set of posterior probability distributions of the first set of automatic operation parameters and a first
set of probabilistic plant models based on the first set of prior probability distributions, the first set of posterior probability
distributions reflecting compatibility with learning data, and the learning data being past time-series data concerning a
first explanatory variable and a first objective variable; and

a combining unit configured to combine the first set of probabilistic plant models using the first set of posterior probability
distributions to generate a first plant model.

US Pat. No. 9,646,111

PROCESS MONITORING SYSTEM AND METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A process monitoring system comprising:
a storage unit configured to store time-sequence data, which is output from a field device located in a plant for measuring
a state quantity, and log data, which includes handling procedures performed in past;

a prediction unit configured to predict a time variation of the state quantity by using the time-sequence data output from
the field device;

an extraction unit configured to extract the time-sequence data similar to the time variation of the state quantity, which
has been predicted by the prediction unit, from the time-sequence data, which has been stored in the storage unit, the extraction
unit being configured to extract the handling procedures, which has been performed at a time, when the time-sequence data
that has been extracted is obtained, from the log data that has been stored in the storage unit; and

a display unit configured to display the handling procedures that have been extracted by the extraction unit, wherein
the prediction unit is configured to predict the time variation of the state quantity in a case, in which operations are performed
by the handling procedures, by using the time-sequence data, which has been output from the field device, and the handling
procedures, which has been extracted by the extraction unit, and

the display unit is configured to display prediction results that have been predicted by the prediction unit in the case in
which the operations are performed by the handling procedures.

US Pat. No. 9,647,675

SIGNAL PROCESSING CIRCUIT

Yokogawa Electric Corpora...

1. A signal processing circuit comprising:
a plurality of daisy chain-connected AD converters each including a data ready output terminal, a synchronizing signal input
terminal, and a serial clock input terminal;

a calculator connected to the data ready output terminal of any of the AD converters and for outputting a serial clock to
the serial clock input terminal of each of the AD converters when a data ready signal is input; and

a reset processor included in the calculator and for outputting a synchronizing signal to the synchronizing signal input terminal
of each of the AD converters when an output time lag among data ready signals from each of the AD converters is detected for
a predetermined number of times.

US Pat. No. 9,535,131

METHOD FOR DETERMINING RESPONSE CHARACTERISTICS OF BATTERY

YOKOGAWA ELECTRIC CORPORA...

1. A method for determining response characteristics of a battery, comprising:
pressurizing the battery in a direction to reduce a distance between electrode surfaces of the battery; and
applying a voltage or a current to the pressurized battery to determine response characteristics of the battery,
wherein:
the action of pressurizing the battery includes sandwiching the battery between pressurizing members so that a uniform pressure
is applied to the entirety of the electrode surfaces of the battery, and

during the determination of the response characteristics, the distance between the electrode surfaces is kept constant by
the pressurizing.

US Pat. No. 9,442,013

MICROSCOPE SPECTROMETER, OPTICAL AXIS SHIFT CORRECTION DEVICE, SPECTROSCOPE AND MICROSCOPE USING SAME

YOKOGAWA ELECTRIC CORPORA...

1. A microscope spectrometer in which, when an excitation light from a light source illuminates a sample, a light emitted
from the sample that enters a microscope is analyzed, the microscope spectrometer comprising:
a first optical means that forms the light emitted from the sample as a parallel beam;
a first variable bandpass filter means of incident light angle tuned type having a variable wavelength passband that transmits
incident light which, of the parallel beam of incident light, is light of a pre-established wavelength passband;

a second variable bandpass filter means of incident light angle tuned type having a variable wavelength passband that transmits
incident light which, of the light incident from the first variable bandpass filter means, is light of a pre-established wavelength
passband;

an optical axis adjustment means that is composed of an optical plate that transmits light and corrects the position shift
of the optical axis of the scattered light in a two-dimensional plane that is caused by the first variable bandpass filter
means and the second variable bandpass filter means;

a two-dimensional array light detection means that images the light in the wavelength passband; and
a control means that controls the timing of the imaging by the two-dimensional array light detection means and controls the
first variable bandpass filter means and the second variable bandpass filter means to change, in accordance with the timing,
the wavelength passband of the first variable bandpass filter means and the second variable bandpass filter means, the control
means further controlling the optical axis adjustment means,

wherein the control means controls the timing of the imaging by the two-dimensional array light detection means to turn ON
imaging at a time the control means controls the first variable bandpass filter means and the second variable bandpass filter
means to change the pre-established wavelength passband to a changed wavelength passband for each of the first variable bandpass
filter means and the second variable bandpass filter means, and to turn OFF the imaging by the two-dimensional array light
detection means before an end of time each of the first variable bandpass filter means and the second variable bandpass filter
means is transmitting the incident light at the changed wavelength passband, and

wherein the first optical means, the first variable bandpass filter, the second variable bandpass filter, and the two-dimensional
array light detection means are disposed to have a common optical axis in an unbranched straight line.

US Pat. No. 9,261,871

APPARATUS AND METHOD FOR DETERMINING OPERATION COMPATIBILITY BETWEEN FIELD DEVICES

YOKOGAWA ELECTRIC CORPORA...

1. Apparatus for determining operation compatibility of a first field device and a second field device, the second field device
being a candidate for replacing the first field device in an industrial process, and the first and second field devices configured
to communicate using the same communications protocol, the apparatus comprising:
a processor; and
a memory containing instructions which, when executed under control of the processor, control the apparatus to:
retrieve data relating to the first field device and data relating to the second field device, the data including at least
one of a device tag, a device ID, a device address, a communication type, a vendor, a model, a device revision, and a device
class;

perform a compatibility check based on the data relating to the first and second field devices to determine whether the second
field device is compatible as a replacement for the first field device in the industrial process, with at least one of the
first field device and the second field device not being in operation; and

generate, for display on a display, a result of the compatibility check.

US Pat. No. 9,049,606

SELF-DIAGNOSIS CIRCUIT

YOKOGAWA ELECTRIC CORPORA...

1. A self-diagnosis circuit that is coupled to a signal transmission path between input/output part for a high-frequency signal
and that is configured to diagnose a high-frequency circuit using a signal that propagates along the signal transmission path,
the self-diagnosis circuit comprising:
a detector configured to detect the high-frequency signal propagating along the signal transmission path from the output part
toward the input part; and

a diagnosis unit configured to diagnose for an abnormality in a follower stage of the high-frequency circuit disposed between
a coupling part of the self-diagnosis circuit with respect to the signal transmission path and the output part, in accordance
with a detection result of the detector.

US Pat. No. 9,806,424

PRESSURE-RESISTANT EXPLOSION-PROOF CONTAINER HAVING A SLIT WAVEGUIDE

Yokogawa Electric Corpora...

1. A pressure-resistant explosion-proof container comprising:
a container made of metal;
a slit opening connecting an interior of the container and an outside of the container, functioning as an explosion-proof
clearance; and

a cavity resonator that is provided in the container and in which an antenna is configured to wirelessly transmit and receive
a high frequency signal by using the slit opening as an open ended waveguide, the high frequency signal being transmitted
to or received from the outside of the container,

wherein when the cavity resonator that is built in the container is set as a first cavity resonator, and an antenna that is
built in the first cavity resonator is set as a first antenna, a second cavity resonator in which a second antenna is built
is provided on an outer wall surface of the container to be opposed to the first cavity resonator, and a third antenna is
provided in an outer space of the second cavity resonator, and the second antenna and the third antenna are connected by a
high frequency cable.

US Pat. No. 9,719,887

FIELD DEVICE COMMISSIONING SYSTEM AND FIELD DEVICE COMMISSIONING METHOD

Yokogawa Electric Corpora...

1. A field device commissioning system, comprising a commissioning tool configured to communicate with a field device in an
industrial facility or plant and a repository,
wherein the commissioning tool comprises hardware and software components and is configured to improve the operation of the
field device commissioning system and to:

retrieve at least one property from a field device;
compare the retrieved at least one property with properties in a field device information file in the repository;
determine if the retrieved at least one property is identical to at least one of the properties in the field device information
file in the repository;

when the retrieved at least one property is determined to be identical to at least one of the properties in the field device
information file in the repository, perform a first test which is a display test for the field devices;

when the retrieved at least one property is determined to be not identical to at least one of the properties in the field
device information file in the repository, determine, from a control system loop information file in the repository, if the
retrieved at least one property is for a predetermined field device;

when the retrieved at least one property is determined to be for the predetermined field device, perform a second test which
is a communication test on the predetermined field device, different from the first test; and

when the retrieved at least one property is determined to be not for the predetermined device, perform a third test which
is a field device state-determination test, different from the first and second tests, of determining a status of the field
device.

US Pat. No. 9,645,907

I/O MODULE AND PROCESS CONTROL SYSTEM

YOKOGAWA ELECTRIC CORPORA...

1. A process control system, comprising:
an I/O module electrically connectable to a plurality of first field devices;
a controller configured to communicate with the plurality of first field devices via the I/O module at a constant frequency;
and

a device management apparatus configured to acquire information, which the I/O module has obtained from the plurality of first
field devices, from the I/O module via the controller and to determine normality of the plurality of first field devices based
on the information,

wherein the I/O module comprises:
a receiver configured to receive first information autonomously transmitted from each of the plurality of first field devices
at a non-constant frequency, the first information includes at least one of a self-diagnosis result and an indication that
an abnormality occurred;

a storage storing the first information of each of plurality of the first field devices received by the receiver;
a comparator configured to compare the first information stored in the storage and second information newly received by the
receiver for each of the plurality of first field devices to obtain comparative results and to rewrite the first information
stored in the storage with the second information newly received by the receiver when the first information stored in the
storage is different from the second information newly received by the receiver for each of the plurality of first field devices,
the comparative results indicating whether the first information stored in the storage is different from the second information
newly received by the receiver for each of the plurality of first field devices; and

a comparative result storage storing the comparative results, and
the device management apparatus is configured to acquire information of the plurality of first field devices from the I/O
module via the controller based on the comparative results stored in the comparative result storage.

US Pat. No. 9,513,621

MANIPULATION MONITORING DEVICE AND MANIPULATION MONITORING METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A manipulation monitoring device comprising:
a first storage unit that stores screen information and identification information, the screen information being of a manipulation
monitoring screen prepared for each manipulation monitoring area of a plant, the identification information being related
to the screen information, and the identification information being of process elements constituting a process realized in
the plant;

a second storage unit that stores relevance information indicating a connection relationship of the process elements;
a display unit that displays the manipulation monitoring screen according to the screen information, which has been stored
in the first storage unit, as a first manipulation monitoring screen;

a display control unit that slides the first manipulation monitoring screen in accordance with a manipulation made by an operator,
the display control unit creating a blank space in accordance with the slide of the first manipulation monitoring screen;
and

a search unit that
acquires the identification information stored in the first storage unit,
obtains, from the relevance information stored in the second storage unit, a position of at least one of the process elements
indicated by the identification information acquired by the search unit,

extracts, from the second storage unit, the at least one of the process elements located in the blank space created in accordance
with the movement of the first manipulation monitoring screen, based on the position obtained by the search unit, and

obtains, from the first storage unit, the screen information of a graphic screen in which the at least one of the process
elements extracted by the search unit is included,

wherein the display control unit performs display control to display a second manipulation monitoring screen in the blank
space area on the display unit, the second manipulation monitoring screen being according to the screen information obtained
by the search unit.

US Pat. No. 10,033,581

METHOD FOR RETRIEVAL OF DEVICE-TYPE MANAGERS

YOKOGAWA ELECTRIC CORPORA...

1. A method comprising:receiving, from a server, by at least one of a plurality of client devices accessible to the server, a historical information of user's historical selection to device-type-managers (DTMs), the historical information representing a selected DTM and a VMR information of the selected DTM, the VMR information being related to vendor, model and revision of a field device, the VMR information of the selected DTM being associated with the selected DTM;
receiving, from the server, by the at least one of the plurality of client devices, a result of retrieval for the VMR information; and
receiving, from the server, by the at least one of the plurality of client devices,
a) a result of evaluation on the DTMs to be recommended, the evaluation being made, by the server, based on the historical information and the VMR information associated with the DTM; and
b) a recommend list including one or more recommended DTMs to be launched, based on the result of evaluation on the DTMs to be recommended,
wherein each of the server and the plurality of client devices comprises one or more software components, one or more memories storing the one or more software components, and one or more processors configured to execute the one or more software components to perform the method.

US Pat. No. 9,955,527

RECORDER

Yokogawa Electric Corpora...

1. A recorder, comprising:a controller configured to collect data from a field device configured to make a wireless communication via a repeater designed to satisfy an explosion-proof standard, the controller further configured to display on a display a waveform generated based on the collected data;
a wireless gateway wirelessly connected with the field device and configured to convert a wireless protocol used for the wireless communication of the field device into an internal communication protocol used for an internal communication of the recorder;
an ethernet connector coupled by wire to an external terminal device for use for parameter setting of the recorder so as to communicate with the external device; and
an ethernet switch built in the recorder and configured to relay communication data received from the wireless gateway to the controller,
wherein, the ethernet switch is also configured to relay communication data between the controller and the external terminal device for the parameter setting, and
the wireless protocol is either ISA100.11a or wirelessHART.
US Pat. No. 9,797,003

NUCLEIC ACID SEQUENCE MEASURING METHOD, NUCLEIC ACID SEQUENCE MEASURING DEVICE, MANUFACTURING METHOD FOR NUCLEIC ACID SEQUENCE MEASURING DEVICE, AND NUCLEIC ACID SEQUENCE MEASURING APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. A nucleic acid sequence measuring method comprising:
preparing a sample solution containing a target nucleic acid;
supplying the sample solution to a nucleic acid sequence measuring device; and
measuring fluorescence from the nucleic acid sequence measuring device, the nucleic acid sequence measuring device including:
a fluorescent probe having a coupling part and a base end and added with a fluorescent molecule at a predetermined position;
a quenching probe having a coupling part and a base end and added with a quenching substance at a predetermined position;
and

a substrate having a solid surface to which the base end of each of the fluorescent probe and the quenching probe is fixed,
wherein:

the coupling part of the fluorescent probe and the coupling part of the quenching probe each have a mutually complementary
nucleic acid sequence;

at least one of the fluorescent probe and the quenching probe has a detection part with a nucleic acid sequence complementary
with a particular nucleic acid sequence; and

the base end of the fluorescent probe and the base end of the quenching probe are fixed to the solid surface, the probes are
in such a positional relationship that fluorescence from the fluorescent molecule is quenched by the quenching substance that
has approached the fluorescent molecule by maintaining the coupling between the fluorescent probe and the quenching probe
through the coupling parts when the hybridization between the target nucleic acid and the detection part has not occurred,
and that fluorescence is emitted from the fluorescent molecule separated from the quenching substance due to canceling of
the coupling between the fluorescent probe and the quenching probe through the coupling parts when the hybridization between
the target nucleic acid and the detection part has occurred.

US Pat. No. 9,746,375

SYSTEMS, METHODS, AND APPARATUS FOR OPTICAL NOISE MANAGEMENT IN OPTICAL SPECTROSCOPY

YOKOGAWA ELECTRIC CORPORA...

1. A system for suppressing optical noise within equipment utilized for optical spectroscopy, comprising:
a compartment of an optical spectroscopy analyzer, the compartment containing a light source, one or more optical members
and one or more media, the one or more media including one or more transparent or semi-transparent materials, the compartment
substantially hermetically sealing the one or more media, and the compartment having different optical paths of light propagating
through the one or more optical members and one or more media;

an inlet conduit disposed on the compartment for providing a first fluidic pathway for the one or more media into the compartment
between the compartment and an exterior of an equipment component embodied in an enclosure having the compartment;

an outlet conduit disposed on the compartment for providing a second fluidic pathway for the one or more media out of the
compartment between the compartment and the exterior of the equipment component embodied in the enclosure having the compartment;

means including a timer and a modulating valve mechanically coupled to the outlet conduit to communicate with the compartment,
the timer configured to regulate electronically and/or mechanically the operation of an open-shut cycle of the valve, the
modulating valve configured to receive pressurized or compressed gas from the compartment via the outlet conduit, and the
modulating valve configured for periodically modifying a stimulus to periodically vary between higher and lower magnitudes
of the stimulus to generate a periodically modified stimulus;

means including the modulating valve for applying the periodically modified stimulus to the one or more media to periodically
modify a respective refractive index as a function of time of the one or more media to allow at least a portion of a light
output to propagate in different optical paths through one or more optical members and the one or more media applied with
the periodically modified stimulus; and

means for producing light output, wherein at least a portion of the light output propagates in the different optical paths
through the one or more optical members and the one or more media, for measuring an intensity of the light output over an
interval greater than a period for the stimulus to vary from the higher magnitude to the lower magnitude.

US Pat. No. 9,766,442

CONFOCAL SCANNER AND CONFOCAL MICROSCOPE

Yokogawa Electric Corpora...

1. A confocal scanner comprising:
a first micro lens disk having a plurality of micro lenses arranged thereon;
a second micro lens disk having a plurality of micro lenses, which is arranged in correspondence to an arrangement pattern
of the first micro lens disk, and having a common rotation axis to the first micro lens disk;

a third micro lens disk having a plurality of micro lenses for image reversal arranged on one surface thereof and a plurality
of pinholes arranged on an other surface thereof, the plurality of micro lenses and the plurality of pinholes being arranged
in correspondence with an arrangement pattern of the first micro lens disk, the third micro lens disk having the common rotation
axis of the first micro lens disk and being provided on an opposite side to the second micro lens disk with respect to the
first micro lens disk; and

a beam splitter configured to guide an illumination light, which is to be irradiated to an object, to the first micro lens
disk, and to guide a return light from the object having passed through each micro lens of the first micro lens disk to the
corresponding micro lens of the second micro lens disk,

wherein a numerical aperture of each micro lens arranged on the second micro lens disk is greater than a numerical aperture
of each micro lens arranged on the first micro lens disk.

US Pat. No. 9,336,615

PLANT INFORMATION DISPLAY METHOD AND DISPLAY APPARATUS

YOKOGAWA ELECTRIC CORPORA...

1. A plant information display method for displaying elements related to a plant in a tree view of hierarchical representation,
the method comprising:
displaying plural tree view representations based on different viewpoints side by side; and
graphically displaying a relation between elements separately contained in the plural tree view representations, which are
displayed in the displaying of plural tree view representations,

wherein the graphically displaying the relation between the elements includes displaying a line connecting a measured value
element in a first tree view display that provides a control input and an input element in a second tree view display that
receives the control input,

the graphically displaying the relation between the elements further includes displaying a line connecting an output element
in the second tree view display that provides a control output and a setting value element in the first tree view display
that receives the control output,

the measured value element is a node of an item representing measured value,
the setting value element is a node of an item representing setting value,
the second tree view display has a node of a loop gauge forming a control loop,
the input element is a node of an item representing a control input to the loop gauge, and
the output element is a node of an item representing a control output from the loop gauge.

US Pat. No. 9,864,908

SLOW CHANGE DETECTION SYSTEM

Yokogawa Electric Corpora...

1. A slow change detection system comprising at least one central processing unit operating in conjunction with a memory to:
acquire a photographed image including a plurality of consecutive images of a monitored object;
acquire a reference image corresponding to the photographed image of the monitored object, the reference image having been
photographed prior to acquiring the photographed image including the plurality of consecutive images;

extract, from the reference image, a reference image area that is an area corresponding to a photographed area of the photographed
image;

identify a sudden change area in the acquired photographed image based on differences in the plurality of consecutive images
of the photographed image;

acquire a change area that is an area of the photographed image which is different from the reference image area and acquire
a slow change area by excluding, from the acquired change area, the sudden change area; and

superimpose and display information indicating the slow change area on the photographed image.

US Pat. No. 9,865,797

RESONANT TRANSDUCER, MANUFACTURING METHOD THEREFOR, AND MULTI-LAYER STRUCTURE FOR RESONANT TRANSDUCER

Yokogawa Electric Corpora...

1. A resonant transducer comprising:
a silicon single crystal substrate;
a silicon single crystal resonator disposed over the silicon single crystal substrate;
a shell made of silicon, surrounding the resonator with a gap, and forming a chamber together with the silicon single crystal
substrate;

an exciting module configured to excite the resonator; and
a vibration detecting module configured to detect vibration of the resonator;
wherein the shell comprises:
a first layer disposed over the chamber, the first layer having a through-hole over the resonator;
a second layer disposed over the first layer, the second layer covering a gap being positioned above the through-hole, the
gap communicating from a first position at an upper side of the through-hole to a second position between the first layer
and a peripheral portion of the second layer; and

a third layer covering the first layer and the second layer, and the third layer sealing the gap at the second position.

US Pat. No. 9,851,712

PROCESS CONTROL SYSTEM AND CONFIGURATION SYSTEM FOR AN INDUSTRIAL PLANT

YOKOGAWA ELECTRIC CORPORA...

1. A configuration system, for a process control system configured to perform process control, the configuration system comprising:
one or more processors;
at least one controller;
an editor implemented by the one or more processors, the editor comprising:
a module generation component configured to generate or update a definition module and an application module based on module
design data for a part of an industrial plant, wherein at least one of the definition module and application module are automatically
updated based on changes to the module design data,

a link generation component configured to generate links to link the definition module, the application module, and the at
least one controller,

a document layout configuration component configured to define a layout for a document of the industrial plant, and
a plant document generation component configured to generate the document of the industrial plant based on the definition
module, the application module, the generated links, and the defined layout, wherein the document is automatically updated
based on changes to the module design data; and

a generation manager configured to convert the definition module and the application module to control data, wherein the at
least one controller executes the converted control data to perform the process control of the process control system.

US Pat. No. 9,830,216

DEVICE MANAGEMENT SYSTEM AND METHOD FOR COMMISSIONING FIELD DEVICES WITH ERROR RESOLUTION

YOKOGAWA ELECTRIC CORPORA...

1. A device management system for performing validation prior to commissioning at least one field device comprising:
a commissioning tool configured to receive at least one source file relating to the at least one field device in an import
operation; and

a processor configured to check the at least one source file for any error,
wherein the processor is further configured to provide guidance on resolution of at least one error found in the at least
one source file using rules for error handling retrieved from an error resolution database without terminating the import
operation, the rules defining at least one auto fix option based on a device property and validation criteria associated with
the at least one error.

US Pat. No. 9,798,690

CONNECTION EQUIPMENT AND A FIELD DEVICE CONTROL SYSTEM

Yokogawa Electric Corpora...

1. A connection equipment connected to a field device via one of a plurality of terminal ports, the field device controlled
by a control system connected to the connection equipment, the connection equipment comprising:
a transmitter/receiver;
a first isolator circuit configured to receive a first communication signal from the control system via the transmitter/receiver,
to split the received first communication signal and an electric power signal to be provided to the field device, and to transmit
the received first communication signal to processing circuitry and the electric power signal to an electric power adjustor
circuit;

the processing circuitry configured to receive the first communication signal from the control system via the first isolator
circuit, to determine the terminal port from among the plurality of terminal ports based on a field device reference included
in the received first communication signal, and to instruct the transmitter/receiver to transmit the received first communication
signal to the field device via the determined terminal port by transmitting the first communication signal to a second isolation
circuit;

the electric power adjustor circuit configured to adjust a level of the electric power signal to be provided to the field
device via the determined terminal port based on an input level of the electric power signal received from the control system
using a cable via the first isolator circuit, and to transmit the electric power signal to the second isolator circuit; and

the second isolator circuit configured to combine the first communication signal received from the processing circuitry and
the electric power signal received from the electric power adjustor circuit, and to electrically isolate the first communication
signal to be transmitted to the field device via the determined terminal port and the electric power signal to be provided
to the field device via the determined terminal port, from rest of the plurality of terminal ports.

US Pat. No. 9,733,641

METHOD AND APPARATUS FOR PERFORMING DIAGNOSTICS ON A CONVENTIONAL CONTROL VALVE

YOKOGAWA ELECTRIC CORPORA...

1. A method of performing diagnostics on a conventional control valve in a process plant, the method comprising:
a processor obtaining data samples from a database stored on a server of the process plant, each data sample comprising a
process variable value and a controller output value, the process variable value being a detected value of a process variable
obtained from a process in the process plant associated with the valve being controlled by a controller, and the controller
output value being a value sent from the controller to the valve for adjusting the process variable to reach a set-point variable,
the set-point variable being a desired value for the process variable; and

the processor determining if there is at least one of: a valve jump and a valve stiction by calculating at least one of a
jump index and a static band index from the data samples respectively,

wherein calculating the jump index comprises calculating a mean of a first set of angles, each angle from the first set of
angles being computed from a ratio of: a difference between a peak process variable value and its preceding process variable
value, and, a difference between a controller output value corresponding to the peak process variable value and its preceding
controller output value, such that a jump index greater than or equal to a predetermined jump index value is indicative of
the valve jump, and

wherein calculating the static band index comprises calculating a mean of a second set of angles, each angle of the second
set of angles being computed from a difference between a controller output value corresponding to a flat process variable
value and its preceding controller output value, such that a static band index greater than or equal to a predetermined static
band index value is indicative of the valve stiction.

US Pat. No. 9,733,979

COMMUNICATION DEVICE

Yokogawa Electric Corpora...

1. A communication device communicating in conformance with a prescribed communication standard, the communication device
comprising:
a first virtual program that includes a protocol stack defined by the prescribed communication standard and configured to
be executed via the protocol stack;

wherein the first virtual program further comprises
(1) only a program configured to execute a function of receiving data from outside or a function of sending the data to the
outside which is a first function of the communication device, and does not comprise a program configured to execute a function
of processing the data after receiving the data from the outside or a function of processing the data before transmitting
the data to the outside which is a second function of the communication device, and

(2) a parameter that is used for transmitting and receiving the data;
a second virtual program that does not include any protocol stack;
wherein the second virtual program further comprises
(1) only a program configured to execute the second function of the communication device not using any protocol stack which
is a function of processing the data after receiving the data from outside or processing the data before transmitting the
data to the outside and does not comprise a program configured to execute a function of receiving data from outside or a function
of sending the data to the outside which is the first function of the communication device, and

(2) a parameter that is used for processing the data;
a storage storing configured to non-temporarily store the first virtual program and the second virtual program;
a volatile memory configured to temporarily store the first virtual program and the second virtual program non-temporarily
stored in the storage when the first virtual program and the second virtual program are executed;

a circuitry configured:
to read one of the first and second virtual programs from the storage;
to store the one of the first and second virtual programs into the volatile memory;
to execute the one of the first and second virtual programs;
to verify free area of the volatile memory after completion of the execution of the one of the first and second virtual programs;
to delete the one of the first and second virtual programs from the volatile memory when it is verified that there is no free
area of the volatile memory to store another of the first and second virtual programs;

to read the other of the first and second virtual programs from the storage;
to store the other of the first and second virtual programs into the volatile memory; and
to execute the other of the first and second virtual programs, thereby, to switch the first and second virtual programs to
be executed and to successively execute the first and second virtual programs.

US Pat. No. 9,753,891

FIELD DEVICE

Yokogawa Electric Corpora...

1. A field device comprising:
a program executor configured to perform a calculation using a detected value;
a memory comprising
a data buffer area configured to store data based on the detected value,
a first program area configured to store a first program causing the program executor to perform a calculation using the data,
a second program area configured to store a second program causing the program executor to perform a calculation using the
data, the second program designed such that if same data is used for the calculation, a result of the calculation performed
according to the second program is the same as a result of the calculation performed according to the first program,

a first program buffer area configured to store intermediate data when the program executor executes the first program,
a second program buffer area configured to store intermediate data when the program executor executes the second program,
a first calculation result storage buffer configured to store a result of the calculation performed by the program executor
according to the first program, and

a second calculation result storage buffer configured to store a result of the calculation performed by the program executor
according to the second program; and

a calculation result comparator configured to compare the calculation result stored in the first calculation result storage
buffer with the calculation result stored in the second calculation result storage buffer by determining whether the calculation
result stored in the first calculation result storage buffer matches the calculation result stored in the second calculation
result storage buffer,

wherein, in response to the calculation result stored in the first calculation result storage buffer matching the calculation
result stored in the second calculation result storage buffer, the calculation result comparator determines that a soundness
of the memory is maintained.

US Pat. No. 9,715,096

MICROSCOPE APPARATUS

YOKOGAWA ELECTRIC CORPORA...

10. A microscope apparatus comprising:
a light source configured to emit a coherent illumination light;
an optical system configured to irradiate a specimen with the illumination light; and
a detector configured to form an image based on a light generated from the specimen by the illumination light that irradiates
the specimen, wherein

the optical system includes:
a phase diffraction grating for generating the first illumination light, having a +1-order diffracted light, and the second
illumination light, having a ?1-order diffracted light;

a lens configured to project the first illumination light and the second illumination light on the specimen as a plurality
of focal points; and

a phase plate configured to shift a phase of transmitted light that has passed through the specimen and a phase of a diffracted
light that has been diffracted by the specimen to be deviated from each other by a predetermined wavelength, and

the detector is configured to generate a contrast by interference of the transmitted light and the diffracted light,
wherein the phase plate shifts a phase of a transmitted light that has passed through the specimen and a phase of a diffracted
light that has been diffracted by the specimen to be deviated from each other by a half wavelength.

US Pat. No. 9,703,787

DATA STORAGE MANAGEMENT APPARATUS AND DATA STORAGE MANAGEMENT METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A data storage management apparatus in an industrial plant, comprising:
a plurality of data storage locations, with a first data storage location in the plurality of data storage locations being
configured to be a primary data storage location for storing data, each of the plurality of data storage locations having
a utilization limit; and a processor including:

a monitoring tool configured to communicate with the plurality of data storage locations and a storage parameter configuration
database; and

a writing tool configured to communicate with the plurality of data storage locations, the monitoring tool, and a storage
data configuration database, the writing tool storing data to the primary data storage location,

wherein the monitoring tool is configured to:
retrieve, from the storage parameter configuration database, the utilization limit for the primary data storage location;
determine, from the primary data storage location, if a utilization parameter of the primary data storage location is the
same as or greater than the retrieved utilization limit for the primary data storage location; and

when the primary data storage location utilization parameter is determined to be the same as or greater than the retrieved
utilization limit,

configure a second data storage location in the plurality of data storage locations to be the primary data storage location
when the second data storage location has a utilization parameter that is less than the utilization limit for the second data
storage location, and

send a notification to the writing tool when none of the plurality of data storage locations respectively have a utilization
parameter that is less than the utilization limit for each respective one of the plurality of data storage locations;

wherein when the writing tool receives the notification from the monitoring tool, the writing tool is configured to:
retrieve, from the storage data configuration database, a data retention policy;
identify, from the plurality of data storage locations, stored data having a storage duration the same as or greater than
the retrieved data retention policy; and

delete the identified stored data from the plurality of data storage locations.

US Pat. No. 9,689,751

OPTICAL FIBER TEMPERATURE DISTRIBUTION MEASUREMENT DEVICE AND METHOD OF MEASURING OPTICAL FIBER TEMPERATURE DISTRIBUTION

Yokogawa Electric Corpora...

1. An optical fiber temperature distribution measurement device for measuring a temperature distribution along a longitudinal
direction of an optical fiber, the device comprising:
a light transmitter configured to input a train of code-modulated light pulses into the optical fiber;
a light receiver configured to receive Raman back scattering lights generated by inputting the train of code-modulated light
pulses into the optical fiber;

a demodulator configured to perform a correlation processing between a measured signal output from the light receiver and
a code string associated with a type of the code modulation performed by the light transmitter, and to demodulate the measured
signal;

a storage storing a correction data to be used to correct a deviation of the measured signal output from the light receiver
when an impulsive pulsed light is output from the light transmitter, the correction data being associated with temperatures;

a corrector configured to perform a correction to a demodulated signal output from the demodulator, using the correction data
stored in the storage;

a temperature sensor configured to measure a temperature inside of the optical fiber temperature distribution measurement
device and to input the temperature measured into the corrector; and

an operation unit configured to calculate a temperature distribution along a longitudinal direction of the optical fiber using
a corrected signal corrected by the corrector,

wherein the corrector is configured to read out from the storage the correction data associated with the temperature measured
by the temperature sensor and to perform the correction,

wherein the storage stores a first correction data to be used to correct a deviation of a measured signal associated with
stokes light in the Raman back scattering lights and a second correction data to be used to correct a deviation of a measured
signal associated with anti-stokes light in the Raman back scattering lights as the correction data, and

wherein the corrector is configured to correct a demodulated signal associated with the stokes light output from the demodulator
using the first correction data, and to correct or a demodulated signal associated with the anti-stokes light output from
the demodulator using the second correction data.

US Pat. No. 9,671,333

LASER GAS ANALYZER

YOKOGAWA ELECTRIC CORPORA...

1. A laser gas analyzer, comprising:
a MEMS-vertical cavity surface emitting laser;
a light-split module configured to split an output light of the MEMS-vertical cavity surface emitting laser into a measurement
light and a reference light;

a measurement gas cell, which receives gasses to be measured, is configured such that the measurement light is made incident
to the measurement gas cell;

a first receiver is configured such that the measurement light that passed through the measurement gas cell is made incident
to the first receiver;

a second receiver is configured such that the reference light is made incident to the second receiver; and
a data processor configured to obtain concentrations of the gases to be measured based on an absorption signal of the gases
to be measured obtained from the first receiver and a reference signal of the MEMS-vertical cavity surface emitting laser
obtained from the second receiver.

US Pat. No. 9,671,778

PROCESS CONTROL SYSTEM AND MANAGING METHOD THEREFOR

YOKOGAWA ELECTRIC CORPORA...

1. A process control system for controlling an industrial process, comprising:
a first field device configured to generate a first field device state information in a first code system, the first field
device state information indicating at least one of an abnormality and a malfunction of the first field device;

a second field device configured to generate a second field device state information in a second code system, the second field
device state information indicating at least one of an abnormality and a malfunction of the second field device, the second
code system being different from the first code system;

a plurality of network devices connected with the network and including at least a first network device and a second network
device, the first network device being configured to receive the first field device state information in the first code system
and convert the first field device state information in the first code system into a first field device state information
in a uniform code system, and the second network device being configured to receive the second field device state information
in the second code system and convert the second field device state information in the second code system into a second field
device state information in the uniform code system;

a controller connected with a network and communicating with the plurality of network devices, the controller being configured
to receive the first field device state information in the uniform code system from the first network device and the second
field device state information in the uniform code system from the second network device; and

a higher-level managing apparatus connected higher in level of the network than the controller and configured to receive,
from the controller, the first field device state information in the uniform code system and the second field device state
information in the uniform code system, the higher-level managing apparatus configured to decipher, using a uniform dictionary
for the uniform code system, the first field device state information in the uniform code system and the second field device
state information in the uniform code system.

US Pat. No. 9,052,706

DEVICE INFORMATION DISPLAY APPARATUS, STORAGE DEVICE STORING DEVICE INFORMATION DISPLAY PROGRAM, AND DEVICE INFORMATION DISPLAY METHOD

YOKOGAWA ELECTRIC CORPORA...

1. A device information display apparatus comprising:
a communication unit configured to communicate with a field device;
a tokenizer configured to acquire a device information of the field device, which is described in a format of an EDDL file
or an XML file, to create a DD file, the DD file being customized based on the EDDL file or the XML file;

a DD analysis unit configured to read the DD file and access the device information of the field device;
a display unit configured to display the accessed device information on a display device;
an analysis unit configured to analyze a reference frequency and a setting frequency of the device information displayed on
the display device;

a display parameter management unit and a display parameter changing unit configured to manage and change the accessed device
information to be displayed on the display device, the changing being performed based on operation instructions received from
an input device;

a display parameter generation unit configured to generate a display parameter definition file for prescribing the accessed
device information to be displayed on the display device, the generating being performed based on the device information changed
by the display parameter management unit and the display parameter changing unit; and

a display parameter switching unit configured to switch the accessed device information to be displayed on the display device,
the switching being performed based on the display parameter definition file generated by the display parameter generation
unit.

US Pat. No. 9,863,810

OPTICAL DEVICE FOR IMPROVED WAVELENGTH RESOLUTION AND WAVELENGTH ACCURACY

Yokogawa Electric Corpora...

1. An optical device comprising:
a diffraction grating;
a depolarization plate containing a birefringent material to eliminate polarization dependency of the diffraction grating;
and

an optical corrector configured to optically correct diffraction angle deviation of diffracted light due to diffraction at
the diffraction grating.

US Pat. No. 9,854,610

MANAGEMENT APPARATUS, MANAGING METHOD, AND WIRELESS COMMUNICATION SYSTEM

Yokogawa Electric Corpora...

1. A management apparatus for managing a wireless network, the management apparatus comprising:
a storage storing unset communication links other than previously set communication links for a wireless communication via
the wireless network among previously prepared communication links; and

a manager configured to divide each communication link stored in the storage into a plurality of communication links and to
set the plurality of communication links in accordance with a setting request of communication links, wherein

when the manager forms a plurality of communication links having a same interval, the manager is configured to assign a higher
priority to each of the plurality of communication links as the priority of the communication link, which is divided to form
the plurality of communication links, increases, and

when the manager repeatedly divides a single communication link to form a plurality of communication links, the manager is
configured to assign a higher priority to each of the plurality of communication links as the interval of each of the plurality
of communication links increases.

US Pat. No. 9,704,455

INFORMATION DISPLAY APPARATUS AND INFORMATION DISPLAY METHOD FOR SUPERIMPOSING ADDITIONAL INFORMATION ON AN IMAGE

Yokogawa Electric Corpora...

1. An information display apparatus comprising:
an image pick-up unit which comprises an image pick-up element, the image pick-up unit being configured to pick up an image;
a display unit which comprises a display device, the display unit being configured to display the image picked up by the image
pick-up unit; and

a processor configured to implement at least:
a first correcting unit configured to correct the image picked up by the image pick-up unit to generate a first image;
a second correcting unit configured to correct the image picked up by the image pick-up unit to generate a second image;
a recognizing unit configured to recognize the second image generated by the second correcting unit and generate a result
of the recognition;

a display control unit configured to display, on the display unit, an additional information according to the result of the
recognition of the second image performed by the recognizing unit, the additional information being superimposed on the first
image generated by the first correcting unit; and

a sensor configured to detect brightness in photographic environments,
wherein the first correcting unit comprises:
a first adjuster configured to adjust a correction amount of the image picked up by the image pick up unit in accordance with
a result of the detection performed by the sensor; and

a first corrector configured to correct the image picked up by the image pick-up unit based on the correction amount adjusted
by the first adjusting section,

wherein the second correcting unit comprising:
a second adjuster configured to adjust a correction amount of the image picked up by the image pick up unit until a predetermined
reference image is recognized by the recognizing unit; and

a second corrector configured to correct the image picked up by the image pick-up unit based on the correction amount adjusted
by the second adjuster, and

wherein the second adjuster is configured to:
store a table designating a relation between the detection result of the sensor and the correction amount when the reference
image had been recognized by the recognizing unit,

read out the correction amount according to the detection result of the sensor from the table, and
set the correcting amount read out from the table as a default value of the correction amount of the image picked up by the
image pick up unit.

US Pat. No. 9,632,062

ULTRASONIC PIPE MEASUREMENT APPARATUS

Yokogawa Electric Corpora...

1. An ultrasonic pipe measurement apparatus comprising:
a plurality of ultrasonic transceivers comprising at least a first transceiver, a second transceiver and a third transceiver,
each discretely disposed on a pipe wall of a pipe at different positions along an axial length of the pipe; and

a control unit configured to (a) control the plurality of ultrasonic transceivers and (b) detect a generation point of damage
caused in the pipe based on an ultrasonic signal transmitted by the first transceiver and received by at least said first,
second and third ultrasonic transceivers, wherein

the control unit is configured to measure a size of the damage caused in the pipe based on the ultrasonic signal transmitted
by the first transceiver and received by each of said at least first, second and third ultrasonic transceivers,

the control unit has operation modes including:
a search mode wherein an interval of transmitting ultrasonic pulses is set relatively long relative to a measurement mode,
the search mode being adapted to detect a point of the damage and the approximate size of the damage; and

the measurement mode adapted to accurately measure the size of the damage, the measurement mode allowing an ultrasonic pulse
with an amplitude and a transmission interval for required accuracy to be transmitted, and

the control unit is configured to maintain the operation mode to be the search mode when the size of the damage measured in
the search mode is less than or equal to a predetermined threshold.

US Pat. No. 10,056,585

BATTERY HOLDER

Yokogawa Electric Corpora...

1. A battery holder comprising electrode contact portions configured to be electrically connected with electrodes of a battery to be housed therein,wherein each of the electrode contact portions comprises:
a base which is made of an elastic insulator having elasticity; and
a metal plate attached to one surface of the base,
wherein a part of each base around the metal plate of the electrode contact portions is formed to come in contact with a part of the battery around the electrodes of the battery,
wherein each metal plate is formed to come in contact with an electrode of the battery, and
wherein another surface of each base serves as an attaching surface to a wall surface of the battery holder and is attached to a wall surface of the battery holder, the wall surfaces attached to each base being opposed to each other.

US Pat. No. 9,946,613

INSTRUMENTATION SYSTEM AND METHOD FOR MAINTAINING THE SAME

Yokogawa Electric Corpora...

1. An instrumentation system, comprising:a plurality of field devices, each of the field devices being configured to perform at least one of measuring and operation of a target;
a connection device comprising a plurality of slots;
a plurality of I/O modules being respectively attachable to the slots, the field devices being connectable to the I/O modules, each I/O module comprising a control right switcher that is coupled to the control right switcher of other of the plurality of I/O modules and being operable in a control loop;
at least one controller coupled to the control right switcher of each I/O module and being connected to control the plurality of I/O modules; and
a host control device, said host control device being configured:
to transmit setting data to the controller to individually set the I/O modules attached to the slots to have a redundant configuration or a single configuration based on the setting data, and
to make two I/O modules set to have the redundant configuration, among the I/O modules attached to the slots, and be paired,
wherein the controller is configured:
to operate the two I/O modules set to have the redundant configuration in a redundant configuration under a condition where one of the two I/O modules is in an activated state and the other of the two I/O modules is in a standby state,
to control the transmission of normality information that indicates the states of the two I/O modules from the controller to the host control device; and
to convert setting data for a first I/O module set to have the single configuration, among the I/O modules attached to the slots, to setting data that indicates that the first I/O module is set to a pseudo redundant configuration, and to operate the first I/O module in the pseudo redundant configuration under a condition where the first I/O module is operated in an activated state side of the redundant configuration, in a state where an I/O module to be paired with the first I/O module is not decided,
wherein, when the first I/O module is operative in the pseudo redundant configuration, the first module is not paired with another I/O module,
wherein, when the first I/O module is operative in the pseudo redundant configuration, the first I/O module is operated in an activated state, no other I/O module is set to be paired with the first I/O module, and at least one of the plurality of slots is empty;
wherein, when the first I/O module is operative in the pseudo redundant configuration, the control right switcher of the first I/O module is operative to hold a control right and when the first I/O module is in a failure mode, the first I/O module is operative to transfer the control right to a new second I/O module inserted into said at least one empty slot when a failure occurs in the first I/O module; and
wherein the first I/O module is operative to output a redundant state data to the second I/O module and thereby establish a redundant state between the first I/O module and the second I/O module,
whereby, the first I/O unit is replaced by the second I/O unit without stopping operation of the control loop.

US Pat. No. 9,891,119

SENSOR, STRAIN SENSOR, AND PRESSURE SENSOR

Yokogawa Electric Corpora...

1. A strain sensor comprising:
a first structure that is attached to a measurement specimen;
a second structure that is made of material which is smaller in thermal expansion coefficient than the first structure, a
bottom surface of the second structure being annularly connected to the first structure; and

a strain detector that is connected to an upper surface of the second structure, the strain detector being configured to detect
a strain of the second structure,

wherein the strain detector is configured to detect a strain in accordance with a stress acting on the measurement specimen.

US Pat. No. 9,869,984

PROCESS CONTROLLER AND UPDATING METHOD THEREOF

Yokogawa Electric Corpora...

1. A first process controller comprising:
at least one processor and at least one memory;
a first virtualizer, comprising said at least one processor and a content of said at least one memory, said first virtualizer
being configured to run in the first process controller;

a first operating system configured to run on the first virtualizer, the first operating system transiting from a first state
to a second state in a case that a control of an industrial process implemented in a plant is started, the first operating
system transiting from the second state to the first state in a case that the control of the industrial process for one period
ends, the first state being a state waiting for starting the control of the industrial process, and the second state being
a state in which the control of the industrial process is performed;

a second operating system configured to run on the first virtualizer;
a communication relaying unit configured to run on the second operating system, the communication relaying unit keeping a
communication state of a host device, the communication relaying unit relaying a communication between the application and
the host device while continuing the communication between the application and the host device;

an application stored in said at least one memory and configured to run on the first operating system, the application performing
the control of the industrial process at a constant period; and

a saving unit, comprising said at least one processor and a content of said at least one memory, said saving unit being configured
to save information representing an inner state of the application in a case that the first operating system is in the first
state, the information being necessary for restoring the application in a second process controller different from the first
process controller.

US Pat. No. 9,803,995

FIELD DEVICE

Yokogawa Electric Corpora...

1. A field device comprising:
a detected signal converter configured to convert a detected signal of a sensor into a predetermined voltage and then to output
the voltage;

an amplifier configured to amplify an output signal of the detected signal converter; and
a noise filter,
wherein the detected signal converter is configured to set a primary-side voltage of the noise filter as a reference voltage.

US Pat. No. 9,807,726

USE OF LOW ENERGY BLUETOOTH BEACONS TO LOCATE FIELD EQUIPMENT AND PERSONNEL

YOKOGAWA ELECTRIC CORPORA...

1. A management system for a plant facility, comprising:
a server device;
a mobile terminal that communicates with the server device; and
a plurality of beacon transmitters, wherein each of the beacon transmitters is attached to or embedded into a field device
that measures process data or controls one or more controlled objects in the plant facility and broadcasts a beacon signal
comprising an identifier that identifies the field device, wherein

the mobile terminal comprises:
a mobile terminal display;
a beacon receiver that receives the beacon signals; and
a mobile terminal controller that calculates a distance from the mobile terminal to each of the beacon transmitters based
on strength of the beacon signal received from each of the beacon transmitters,

the server device comprises:
a server device display;
a server device storage that stores the process data collected from each of the field devices and a name and a description
of each of the field devices corresponding to each of the identifiers; and

a server device controller that
receives wireless signals comprising the identifiers from the mobile terminal, and
identifies the process data, the name, and the description corresponding to each of the identifiers received with the wireless
signals,

the mobile terminal controller
transmits the wireless signals to the server device with the identifiers received with the beacon signals, and
at least one of the server device display and the mobile terminal display displays the calculated distances and the process
data, the name, and the description of the field device identified by the server device controller.

US Pat. No. 9,783,774

CELL CULTURE CONTROL SYSTEM, CELL CULTURE CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE STORAGE MEDIUM

Yokogawa Electric Corpora...

1. A cell culture control system comprising:
a control unit configured to control a supply operation of supplying additives to a tank for containing a culture fluid in
which cells are cultured, the additives being feed agents or augmenting agents;

a controller configured to control the control unit to control parameters of the culture fluid which exists in the tank in
accordance with a control value which is preliminarily set;

a sensor configured to detect a cell density, a concentration value of metabolic substances, and a concentration value of
nutrient sources in the culture fluid which exists in the tank by using near-infrared spectroscopy;

a calculator configured to calculate a specific rate of the cell density, a specific rate of the concentration value of the
metabolic substances, and a specific rate of the concentration value of the nutrient sources based on the cell density, the
concentration value of the metabolic substances, and the concentration value of the nutrient sources detected by the sensor;

a generator configured to generate time-series data in accordance with the specific rate of the cell density, the specific
rate of the concentration value of the metabolic substances, and the specific rate of the concentration value of the nutrient
sources calculated by the calculator;

an extractor which comprises a simulator configured to calculate a predicted value of the time-series data in accordance with
the time-series data generated by the generator, the extractor being configured to extract a characteristic point of the time-series
data or a characteristic point of the predicted value, the characteristic point being a peak point or a shift point of the
time-series data or the predicted value; and

a control value setter configured to change the control value in accordance with the characteristic point extracted by the
extractor,

wherein the control value setter is configured to determine an adding amount of additives to be added to the tank based on
an adding amount of additives stored in the control value setter at a timing of an output from the extractor, and

wherein the controller is configured to control the control unit to supply the additives to the tank in accordance with the
adding amount of the additives determined by the control value setter.

US Pat. No. 9,689,505

VALVE REMOTE CONTROL APPARATUS

Yokogawa Electric Corpora...

1. A valve remote control apparatus configured to mechanically connect, to a manual operating portion of an existing manual
valve, an output shaft of an air motor configured to rotate using an air pressure as a drive source, and to remotely control
the manual valve, the valve remote control apparatus comprising:
a solenoid valve operated by an operation signal transmitted and received wirelessly between a contact information terminal
portion and a contact information operating portion;

a discrete limit switch that detects linear position by detecting an end position, the discrete limit switch configured to
detect a full-open state and a full-close state of the air motor, and to output contact information,

wherein the air pressure for driving and rotating the air motor is supplied via the solenoid valve,
wherein the contact information operating portion includes a contact information reading portion configured to read the contact
information output, and

wherein the contact information terminal portion includes a contact information analyzing portion configured to cause, when
confirming that the contact information read to the contact information reading portion is turned on, transition of the contact
information to an off-state.

US Pat. No. 9,693,174

WIRELESS DEVICE, WIRELESS COMMUNICATION SYSTEM, WIRELESS MODULE, INTERFACE MODULE, AND COMMUNICATION METHOD

Yokogawa Electric Corpora...

1. A wireless device comprising:
a wireless module configured to wirelessly transmit a signal which has been received from a field device, and wirelessly receive
a signal which is to be transmitted to the field device; and

an interface module which is disposed between the wireless module and the field device,
wherein one of the wireless module and the interface module generates a first message having a predetermined format, the first
message includes data and type information, the data is to be transmitted to other one of the wireless module and the interface
module, the type information represents a type of the data, and the one of the wireless module and the interface module transmits
the first message to the other one of the wireless module and the interface module,

wherein the other one of the wireless module and the interface module generates a second message having the same format as
the first message in accordance with the type information included in the first message, the second message includes data
and type information, the data is to be replied to the one of the wireless module and the interface module, the type information
represents a type of the data, and the other one of the wireless module and the interface module replies the second message
to the one of the wireless module and the interface module, and

wherein in a case that the type information included in the first message represents notifications or instructions, the other
one of the wireless module and the interface module performs processing in accordance with the notifications or the instructions,
and does not reply to the one of the wireless module and the interface module.

US Pat. No. 9,607,416

DEVICE FOR DISPLAYING A TREND RELATED TO A PROCESS VARIABLE

YOKOGAWA ELECTRIC CORPORA...

1. A device for displaying a plurality of data points on a trend related to a process variable, comprising:
a display comprising a number of pixels in a horizontal axis in a row and in a vertical axis;
a calculator for dividing the plurality of data points by the number of pixels in the horizontal axis to get a first value;
wherein the display for displaying the plurality of data points in a number of lines in a corresponding column of pixels,
the number of lines is the half of the first value.

US Pat. No. 9,893,656

RESONANT TRANSDUCER AND MANUFACTURING METHOD OF RESONANT TRANSDUCER

Yokogawa Electric Corpora...

1. A resonant transducer comprising:
a resonator;
a resonator electrode connected to an end part of the resonator;a fixed electrode arranged in the vicinity of the resonator; and
a buried part formed between the fixed electrode and the resonator electrode,
wherein the resonator, the resonator electrode and the fixed electrode are formed by the same active layer on a substrate,
wherein a gap exists between a surface of the fixed electrode and a surface of the resonator electrode, an insulating layer
being fixed in the gap; and

wherein the buried part is formed in the gap between the surface of the fixed electrode and the surface of the resonator electrode
via the insulating layer to ensure insulation between the fixed electrode and the resonator electrode.

US Pat. No. 9,829,865

ADAPTIVE MAINTENANCE SUPPORT AND CONTROL OF A PROCESS CONTROL SYSTEM VIA DEVICE SPECIFICATION AND ACTUAL CONDITION INFORMATION

YOKOGAWA ELECTRIC CORPORA...

1. A maintenance support system, comprising:
a first storage unit which stores first specification information including predetermined configurations and settings for
devices of a process control system which performs control of an industrial process implemented in a plant, the first specification
information being correctable by a user;

an actual condition information extraction unit configured to extract, from the process control system, actual condition information
including current configurations and settings for the devices of the process control system;

a first comparison unit configured to compare the first specification information stored in the first storage unit with the
actual condition information extracted by the actual condition information extraction unit, the first comparison unit being
configured to generate first difference information when there is a difference between the first specification information
and the actual condition information, the first difference information including a location in which the difference was generated;

a notification unit configured to notify the user of the first difference information;
a second storage unit which stores second specification information including configurations and settings for the devices
of the process control system;

a second comparison unit configured to compare the second specification information stored in the second storage unit with
the actual condition information extracted by the actual condition information extraction unit; and

an updating unit configured to update the second storage unit to reflect contents of correction by the user for the first
specification information stored in the first storage unit when there is no difference between the first specification information
and the actual condition information.

US Pat. No. 10,090,678

PRODUCTION ENERGY MANAGEMENT SYSTEM AND COMPUTER PROGRAM

Yokogawa Electric Corpora...

1. A production energy management system for a plant having at least one sensor, comprising:a data collector communicatively connected to the sensor disposed in the plant and configured to collect data from the sensor;
a production and energy flow model definer configured to define a production and energy flow model, the production and energy flow model representing, by directed lines, a flow with regard to an input and output of a production-related material between apparatuses disposed in the plant and a flow with regard to an input and output of energy, the production and energy flow model associating, with measurable data to be measured in the plant, index values of the production-related material and the energy, the measurable data being used for calculation of the index values;
an energy calculator configured to perform an energy calculation for each apparatus based on the collected measured data and the defined production and energy flow model; and
a baseline model calculator configured to calculate a baseline function, the baseline function representing a relational expression between an energy calculation result for each apparatus and a factor extracted based on an evaluation result with regard to a correlation with the energy calculation result,
wherein the plant is managed based on the production and energy flow model and baseline function.

US Pat. No. 10,050,929

CONNECTION SETTING INFORMATION MANAGING SYSTEM

Yokogawa Electric Corpora...

1. A connection setting information managing system which is configured to set connection setting information, the system comprising:a setting tool;
a connection setting information storage unit; and
a plurality of network devices,
wherein the connection setting information allows each of the plurality of network devices connected to an IP network to perform a communication over the IP network,
wherein the connection setting information storage unit is configured to store the connection setting information and a tag name that is assigned to and is unique to each network device,
wherein the setting tool is configured to:
multicast a message requesting the tag name to the IP network serving as a setting virtual network temporarily while the connection setting information is set to the network device and receive the tag name multicast from the network device over the IP network serving as the setting virtual network,
in response to receiving the tag name from the network device, search the connection setting information storage unit for an IP address assignment in the connection setting information corresponding to the received tag name, and
multicast the tag name, a message type, and the connection setting information to the IP network serving as the setting virtual network for receipt by the network device, the network device performing prescribed processing according to the message type to set the connection setting information to the network device, based on the tag name that is unique to the network device.

US Pat. No. 9,865,029

CONTEXTUAL RENDERING OF PROCESS GRAPHICS

YOKOGAWA ELECTRIC CORPORA...

1. A contextual rendering system, comprising:
circuitry configured to
parse at least one graphics file into a plurality of graphics objects;
determine whether one or more dynamic behavior attributes are present for each graphics object;
extract at least one tag name for each graphics object having the one or more dynamic behavior attributes;
assign an attribute weight to each dynamic behavior attribute;
compute a sum of the attribute weights for each tag name-graphics object combination based upon the attribute weight assigned
to each dynamic behavior attribute;

sort the attribute weight assigned to each dynamic behavior attribute by priority and location for each tag name-graphics
object combination;

compute a combined score for each tag name-graphics file combination as a summation of sums of the attribute weights for an
associated tag name;

display a portion of a graphics view of one or more graphics objects based on the combined scores in context with other graphics
objects.