US Pat. No. 10,481,561

MANAGING HOME AUTOMATION SYSTEM BASED ON BEHAVIOR

Vivint, Inc., Provo, UT ...

1. An apparatus for controlling settings of a home automation system, comprising:a processor;
a memory in electronic communication with the processor; and
instructions stored in the memory, the instructions being executable by the processor to:
detect user patterns of behavior associated with a home automation system, the detected user patterns of behavior being aggregated at the home automation system;
request and selectively obtain direction data from a device associated with a user based on a location of the user relative to a location associated with the home automation system, the direction data indicating a directional movement of the user relative to the location associated with the home automation system and a type of behavior of the user;
operate one or more settings of the home automation system in a predefined mode based at least in part on the directional movement of the user;
compare the direction data with the detected user patterns of behavior aggregated at the home automation system;
determine at least one setting of the home automation system associated with the user based at least in part on the comparison and the type of behavior of the user;
determine an occupancy at the location associated with the home automation system based at least in part on utility data at the location associated with the home automation system; and
adaptively update the one or more settings of the home automation system operated in the predefined mode based at least in part on the at least one setting associated with the user and the occupancy at the location associated with the home automation system.

US Pat. No. 10,481,560

METHOD OF MEASURING A TIME IN A SPORTS COMPETITION USING A TRANSPONDER MODULE, AND TRANSPONDER MODULE FOR IMPLEMENTING THE METHOD

SWISS TIMING LTD, Corgem...

1. A method of measuring time of a competitor in a sports competition via a transponder module personal to the competitor and accompanying the competitor during the competition in a measuring system, the method comprising:receiving a low frequency signal transmitted from a transmission antenna of the measuring system;
transmitting at least one signal strength of the received low frequency signal to the measuring system;
detecting variation in motion of the transponder module via a motion sensor integrated in the transponder module;
transmitting, via the transponder module, data indicating the variation in motion detected by the motion sensor to the measuring system;
determining, by the measuring system, that the data indicating the variation in motion detected by the motion sensor corresponds to motion of the competitor caused by disposition of the competitor at a predetermined position in the sports competition; and
determining, by the measuring system, a time of the competitor in the sports competition based on the at least one signal strength of the low frequency signal and a time of the motion of the competitor detected by the motion sensor caused by disposition of the competitor at the predetermined position in the sports competition,
wherein the predetermined position in the sports competition comprises an intermediate position or a finish line of the competition route.

US Pat. No. 10,481,558

WRIST WEARABLE DEVICE REPOSITIONING ASSEMBLY

1. A wrist wearable device repositioning assembly comprising:a block;
a recess positioned in a bottom of said block defining a pair of arms wherein said recess is configured for inserting a wrist of a user such that said arms position a top of said block on a side of the wrist wherein said block is pliable such that said block is configured for conforming to contours of the wrist positioned in said recess; and
a coupler coupled to said top of said block wherein said coupler is configured for coupling said block to a back face of a wrist wearable device wherein coupling of a band of the wrist wearable device to the wrist fixedly positions said block and a front face of the wrist wearable device on the side of the wrist; and
a channel extending through said block from said top to said recess wherein said channel is configured for inserting a sensor operationally coupled to the wrist wearable device such that the sensor contacts skin of the user for assessing a biological parameter.

US Pat. No. 10,481,552

FIXING DEVICE HAVING A PERFORATED DUCT

Canon Kabushiki Kaisha, ...

1. A fixing apparatus that performs fixing processing, comprising:a first rotating member configured to be driven by a driving source;
a second rotating member configured to be driven by the first rotating member, the first rotating member and the second rotating member forming a nip therebetween;
a blowing member configured to blow air to one of the first rotating member and the second rotating member, the one being not in contact with an unfixed toner image which is a toner image that has not been fixed yet; and
a duct that includes an opening for taking in air from the blowing member and further includes holes for discharging the air taken in through the opening toward the one;
wherein a number of the holes per unit length of the duct in a generatrix direction of the one provided in an area of the duct facing the sheet-passing area is less than number of the holes per unit length of the duct in the generatrix direction of the one provided in an area thereof facing the non-sheet-passing area,
wherein the fixing processing is processing of fixing the unfixed toner image to a recording medium by applying heat while conveying the recording medium with the unfixed toner image thereon at the nip,
wherein the blowing member is, at least, driven in a case where a temperature of the one is lower than a threshold temperature when warming up of the fixing apparatus is started, and
wherein volume of air to a sheet-passing area of the one is smaller than volume of air to a non-sheet-passing area of the one.

US Pat. No. 10,481,551

IMAGE FORMING APPARATUS WITH PIVOTABLE TRANSFER UNIT POSITIONING PORTION

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:an apparatus body comprising an image bearing member configured to bear a toner image;
a transfer unit comprising a transfer portion configured to transfer the toner image on the image bearing member onto a sheet, the transfer unit being pivotably supported with respect to the apparatus body such that the transfer portion is capable of coming into contact with and being separated from the image bearing member;
an opening/closing unit disposed at a position farther from the apparatus body than the transfer unit is, and openably and closably supported with respect to the apparatus body;
a positioning portion provided on the apparatus body, pivotably supported with respect to the apparatus body and configured to position the transfer unit with respect to the apparatus body; and
an urging portion configured to urge the positioning portion so as to pivot,
wherein the transfer unit comprises an abutting portion configured to abut a fixed portion provided in the apparatus body, and is configured to be positioned with respect to the apparatus body as a result of the abutting portion abutting the fixed portion,
wherein the positioning portion comprises:
a first engagement portion configured to engage with the opening/closing unit at a first position;
a second engagement portion configured to engage with the opening/closing unit at a second position further from a pivot center of the transfer unit than the first position; and
a pressing portion configured to press the abutting portion, and
wherein the opening/closing unit comprises:
a third engagement portion configured to press the first engagement portion and cause the positioning portion to pivot such that the pressing portion is separated from the abutting portion in a course of a closing operation of the opening/closing unit; and
a fourth engagement portion configured to engage with the second engagement portion and cause the positioning portion to pivot.

US Pat. No. 10,481,549

ATTACHMENT UNIT

KYOCERA Document Solution...

1. An attachment unit for attaching a second device to a first device, comprising:a first attachment member attachable to the first device; and
a second attachment member attachable to the second device, wherein
each of the first attachment member and the second attachment member has first to Nth engagement sections arranged in the stated order, N being an integer of at least 2,
the first to Nth engagement sections of the first attachment member respectively have the same shape as the first to Nth engagement sections of the second attachment member,
the nth engagement section of the first attachment member is engageable with the (N?n+1)th engagement section of the second attachment member, n being an integer of at least 1 and no greater than N, and
at least one of the first device and the second device is an image forming apparatus having an image formation function of forming images on sheets or an extension device having a function of extending the image formation function.

US Pat. No. 10,481,546

POWER SUPPLY APPARATUS AND IMAGE FORMING APPARATUS

Canon Kabushiki Kaisha, ...

1. A power supply apparatus that includes a first circuit connected to a predetermined power supply, and a second circuit insulated from the first circuit, the power supply apparatus comprising:a switcher provided in the first circuit and configured to switch between a supplied state where power is supplied from the predetermined power supply to a load, and an interrupted state where the power is not supplied from the predetermined power supply to the load;
a driver provided in the second circuit and configured to output a switching signal to switch a state of the switcher;
an adjusting unit provided in the first circuit and configured to adjust the power supplied from the predetermined power supply to the load;
a first control unit provided in the first circuit and configured to detect a parameter relating to the power supplied to the load;
a second control unit provided in the second circuit and configured to control the adjusting unit;
a first communication portion provided in the first circuit and connected to the first control unit; and
a second communication portion provided in the second circuit, insulated from the first communication unit, and is configured to perform wireless communication with the first communication portion,
wherein the first control unit is operated by power that is supplied by a signal generated in the first communication portion due to a signal output from the second control unit to the second communication portion,
wherein the first control unit transmits, to the second communication portion, information relating to a detection result,
wherein the second control unit controls the adjusting unit based on the information transmitted to the second communication portion,
wherein the first control unit outputs, to the driver, a predetermined signal to cause the driver to output the switching signal for putting the switcher into the interrupted state in a case where abnormality occurs in the second circuit, and
wherein the driver outputs the switching signal for putting the switcher into the interrupted state when the predetermined signal is output from the first control unit.

US Pat. No. 10,481,541

IMAGE FORMING APPARATUS

FUJI XEROX CO., LTD., Mi...

1. An image forming apparatus comprising:a supplying unit configured to supply a continuous recording material;
an image forming unit configured to form an image on the recording material supplied from the supplying unit;
a fixing unit configured to fix the image formed on the recording material by the image forming unit;
a collecting unit configured to collect the recording material having passed through the fixing unit;
a detecting device configured to detect a change in tension of the recording material running between the image forming unit and the fixing unit;
a tension adjusting device configured to adjust the tension acting on the recording material such that the change in the tension of the recording material falls within a permissible range if the change in the tension of the recording material that is detected by the detecting device exceeds the predetermined permissible range; and
a torque limiting member configured to prevent a torque acting on the fixing unit from exceeding an upper limit,
wherein the tension adjusting device adjusts the recording-material-transporting speed in at least the fixing unit unless the torque limiting member is activated, and the tension adjusting device adjusts the recording-material-transporting speed in the collecting unit if the torque limiting member is activated.

US Pat. No. 10,481,540

SCANNER COVER

KINPO ELECTRONICS, INC., ...

1. A scanner cover, comprising:a first plate, the first plate comprising a first surface, a plurality of compressible and deformable elastic structures being integrally formed on the first surface; and
a second plate, the second plate being stacked on the first plate and having a second surface facing to the first surface, the elastic structures being contacted with the second surface, and deformation of respective elastic structures being contained in the second plate while the elastic structures being compressed;
wherein while the first plate and the second plate are pressed to move close to each other, the elastic structures are compressed and a restoring force is thereby provided between the first plate and the second plate;
wherein each elastic structure is formed on the plate while forming the first plate and comprises a couple of pressing arms extending toward each other.

US Pat. No. 10,481,537

IMAGE FORMING APPARATUS AND CONTROL PROGRAM FOR REMOVING CARRIERS ON A PHOTORECEPTOR

KONICA MINOLTA, INC., To...

1. An image forming apparatus that forms an image on a transfer material in an image forming mode, the image forming apparatus comprising:a photoreceptor rotatable in a predetermined rotation direction;
a developer that is arranged on the photoreceptor and forms a toner image on the photoreceptor using a two-component developing agent including toner and a carrier;
a transferor that is arranged on the photoreceptor on a downstream side in the predetermined rotation direction with respect to the developer and transfers the toner image on the photoreceptor onto the transfer material;
a carrier collector that is arranged on the photoreceptor on an upstream side in the predetermined rotation direction with respect to the transferor and on a downstream side in the predetermined rotation direction with respect to the developer and applies an electric field corresponding to a collecting bias to a carrier adhering to the photoreceptor to collect the carrier by a force of the electric field;
a carrier detector that is arranged on the photoreceptor on a downstream side in the predetermined rotation direction with respect to the carrier collector and detects a carrier remaining on the photoreceptor after collecting the carrier by the carrier collector; and
a hardware processor that sets the collecting bias in the image forming mode on the basis of the amount of carriers detected by the carrier detector when a carrier adhesion detecting mode for forcibly causing a carrier to adhere to the photoreceptor is executed, wherein the hardware processor sets a developing bias voltage of the developer in the carrier adhesion detecting mode to a different value than in the image forming mode.

US Pat. No. 10,481,536

MOUNTED FIXING APPARATUS FOR FIXING AN IMAGE FORMED ON A RECORDING MEDIUM

CANON KABUSHIKI KAISHA, ...

1. A fixing apparatus comprising:a tubular film;
a heater provided at an inside of the film, the heater including an electrode;
a holder provided at the inside of the film, the holder being configured to hold the heater; and
a power feeding connector configured to feed power to the heater;
wherein an unfixed image formed on a recording medium is fixed on the recording medium by the heat of the heater via the film,
wherein the power feeding connector comprises a contact-side connector and a backup-side connector, the contact-side connector including a spring contact in contact with the electrode of the heater, the backup-side connector being disposed on a side of a surface of the holder that holds the heater opposite to a side of a surface on which the contact-side connector is disposed,
wherein the contact-side connector and the backup-side connector are joined together to form the power feeding connector,
wherein the contact-side connector is a conductive component and the backup-side connector is a component made of material different from the contact-side connector,
wherein the contact-side connector and the backup-side connector are joined together at a position opposite to a position at which the power feeding connector and a power feed cable are connected in a lateral direction of the heater, and
wherein the backup-side connector includes an elastically deformed portion between the position of joining and the power feed cable in the lateral direction.

US Pat. No. 10,481,535

FIXING APPARATUS WITH COIL AND MOVABLE MAGNETIC BODY AND IMAGE FORMING APPARATUS WITH COIL AND MOVABLE MAGNETIC BODY

KABUSHIKI KAISHA TOSHIBA,...

1. A fixing apparatus, comprising:a fixing belt including a conductive layer;
an induced current generation section facing the fixing belt, comprising
a coil configured to generate a magnetic flux, and
a magnetic body facing the fixing belt across the coil,
a magnetic body moving controller configured to control movement of a movable magnetic body, and
a temperature sensor configured to detect a temperature of an end portion in a width direction of the fixing belt,
wherein a part of the magnetic body facing the end portion the width direction of the fixing belt is set as the movable magnetic body, which is capable of moving in the width direction, and
wherein the magnetic body moving controller is configured to move the movable magnetic body responsive to detected temperature information from the temperature sensor.

US Pat. No. 10,481,534

IMAGE FORMING APPARATUS

KABUSHIKI KAISHA TOSHIBA,...

1. An image forming apparatus, comprising:a fixing device configured to fix a toner to a recording medium;
a cooling device disposed so as to cool the fixing device with forced air;
a rotatable guide configured to guide the recording medium towards a first location in a first position and towards a second location when in a second position, the rotatable guide partially blocking the forced air in the first position and forming a pathway for the forced air between the cooling device and the fixing device when at the second position; and
a control unit configured to rotate the guide unit to the second position if an operating mode of the fixing device is changed from a first mode in which the fixing unit has a set point temperature at a first temperature to a second mode in which the fixing unit has a set point temperature at a second temperature lower than the first temperature.

US Pat. No. 10,481,531

IMAGE FORMING APPARATUS HAVING A SWITCHING MEMBER, A DETACHABLE UNIT, AND A RETRACTING MEMBER THAT RETRACTS THE SWITCHING MEMBER IN A COURSE OF DISMOUNTING THE UNIT

Canon Kabushiki Kaisha, ...

1. An image forming apparatus comprising:an apparatus main body including an image forming device that forms an image on a recording material;
a unit detachably mounted in the apparatus main body;
a switching member pivotably provided in the apparatus main body, wherein while in a state in which the switching member has entered into the unit mounted in the apparatus main body, the switching member selectively switches a route through which the recording material is guided; and
a retracting member provided in the apparatus main body, wherein in a course of dismounting the unit from the apparatus main body, the retracting member retracts the switching member to an outside of a mount area of the unit.

US Pat. No. 10,481,530

SEPARATION MEMBER, SEPARATION DEVICE, FIXING DEVICE, AND IMAGE FORMING APPARATUS

RICOH COMPANY, LTD., Tok...

1. A separator to separate a conveyance object from two rotation bodies, the conveyance object having been sent out from a nip that is formed by the two rotation bodies that are in contact with one another, the separator comprising:a wavy part directed toward the nip and inclined from a normal to a center line of the two rotation bodies at a predetermined angle, wherein
the wavy part covers a contact zone where the conveyance object can come into contact with the separator along a conveyance direction and along a width direction of the conveyance object, and
the wavy part has a plurality of depressions parallel to each other and extending in a direction inclined from the conveyance direction and inclined from the width direction, at least two of the depressions overlapping along the conveyance direction, and the wavy part has a plurality of projections formed between the grooves, the projections having smoothly curved surfaces.

US Pat. No. 10,481,529

ELECTRICALLY CONDUCTIVE RUBBER COMPOSITION, TRANSFER ROLLER, PRODUCTION METHOD FOR THE TRANSFER ROLLER, AND IMAGE FORMING APPARATUS

SUMITOMO RUBBER INDUSTRIE...

1. A transfer roller production method comprising the steps of:extruding an electrically conductive rubber composition into a tubular body, the electrically conductive rubber composition comprising: a rubber component consisting of ethylene propylene diene rubber, epichlorohydrin rubber and butadiene rubber; a crosslinking component for crosslinking the rubber component; a foaming agent thermally decomposable to generate gas, the foaming agent being present in the rubber composition in a proportion of not less than 4 parts by mass and not greater than 6 parts by mass based on 100 parts by mass of the overall rubber component; and a foaming assisting agent which accelerates decomposition of the foaming agent, the foaming assisting agent being present in the rubber composition in a proportion of not less than 1.5 parts by mass and not greater than 2.7 parts by mass based on 100 parts by mass of the overall rubber component; and
foaming and crosslinking the electrically conductive rubber composition extruded into the tubular body in a vulcanization can by applying pressure and heat to the tubular body with pressurized steam through an in-can vulcanization process.

US Pat. No. 10,481,528

IMAGE FORMING METHOD, IMAGE FORMING APPARATUS, AND TONER IMAGE FIXING APPARATUS

KONICA MINOLTA, INC., To...

1. An image forming method comprising the steps of:forming a toner image by developing an electrostatic latent image with a toner;
transferring the toner image on a recording medium; and
fixing the toner image on the recording medium,
wherein the fixing step of the toner image on the recording medium further contains the steps of:
irradiating only light having a wavelength range of 280 to 480 nm to the toner image; and
applying pressure to the toner image, and
the toner comprises a colorant and, in the toner, the colorant is a sole component capable of absorbing the light having the wavelength range of 280 to 480 nm.

US Pat. No. 10,481,526

IMAGE-FORMING APPARATUS AND IMAGE-FORMING METHOD

FUJI XEROX CO., LTD., Mi...

1. An image-forming apparatus comprising:an electrophotographic photosensitive member including a conductive base and a single-layer photosensitive layer disposed on the conductive base, the single-layer photosensitive layer including
a binder resin,
a charge-generating material,
a hole-transporting material, and
an electron-transporting material; and
a developing unit including a developing roller that develops an electrostatic latent image formed on a surface of the electrophotographic photosensitive member with a developer including a toner in order to form a toner image, the developing roller being arranged to come into contact with the photosensitive layer,
wherein the ratio R/P of the content R [mass %] of the binder resin in the photosensitive layer to the pressing force P [N/mm] at which the developing roller is pressed against the photosensitive layer is 11.5 or more and 19.6 or less, and
the content R of the binder resin is 45% by mass or more.

US Pat. No. 10,481,524

COMPONENT WITH SHEET MATERIAL ADHERED TO SURFACE THEREOF

KYOCERA DOCUMENT SOLUTION...

1. A component having a surface to which a sheet material having an adhesive surface is adhered, whereinan adhesive target region on a surface of the component, to which the sheet material is adhered, is provided at a peripheral edge thereof with a first region including a recess that allows a predetermined sheet material peeling tool to be insertable to a side of the adhesive surface of the sheet material, and a second region positioned in the vicinity of the first region, and
the second region includes a region mixedly including a part in contact with the adhesive surface and a part not in contact with the adhesive surface, the region being configured by an embossed surface or by a plurality of pyramid-shaped convex parts arranged adjacent to one another.

US Pat. No. 10,481,522

DEVELOPING DEVICE WITH DEVELOPING ROLLER AND THICKNESS REGULATING MEMBER AND IMAGE FORMING APPARATUS PROVIDED WITH SAME

KYOCERA Document Solution...

1. A developing device, comprising:a housing configured to store developer containing toner and magnetic carrier;
a developing roller including a fixed magnet having a plurality of magnetic poles along a circumferential direction and a sleeve configured to rotate in a predetermined rotating direction around the fixed magnet and carry the developer on a circumferential surface, the developing roller being so supported in the housing as to face a photoconductive drum, on a surface of which an electrostatic latent image is to be formed, at a predetermined developing position and supplying the toner to the photoconductive drum;
a developer stirring member rotatably supported in the housing and configured to stir the developer and supply the developer to the developing roller; and
a layer thickness regulating member arranged to face the sleeve of the developing roller and configured to regulate a layer thickness of the developer supplied to the developing roller by the developer stirring member;
wherein:
the fixed magnet has a regulation pole arranged to face the layer thickness regulating member and having a predetermined polarity;
the layer thickness regulating member includes:
a regulating body portion made of a magnetic material and configured to regulate the layer thickness of the developer being conveyed toward the developing position, the regulating body portion having a first facing surface arranged at a predetermined distance from the sleeve, a first upstream side surface connected to an upstream end part of the first facing surface in the rotating direction and extending along a radial direction of the sleeve and a first downstream side surface connected to the first facing surface on a side opposite to the first upstream side surface in the rotating direction; and
an upstream regulating portion connected to the first upstream side surface of the regulating body portion, the upstream regulating portion having a second facing surface arranged to face the sleeve at a larger distance from the sleeve than the first facing surface, a second downstream side surface connected to a downstream end part of the second facing surface in the rotating direction, extending along the radial direction and held in close contact with the first upstream side surface and a second upstream side surface connected to the second facing surface on a side opposite to the second downstream side surface in the rotating direction; and
the second facing surface of the upstream regulating portion has:
a nonmagnetic facing surface made of a nonmagnetic material and arranged on a downstream end of the second facing surface in the rotating direction; and
an upstream magnetic facing surface made of a magnetic material and arranged on an upstream end of the second facing surface which is upstream of the non-magnetic facing surface in the rotating direction.

US Pat. No. 10,481,521

DEVELOPING DEVICE HAVING SPACED COVER PORTION AND FRAME

CANON KABUSHIKI KAISHA, ...

1. A developing device comprising:a rotatable developing member configured to carry a developer containing toner and a carrier to a developing position where an electrostatic latent image formed on an image bearing member is developed;
a first frame configured to accommodate the developer;
a second frame mounted on said first frame and configured to cover part of an outer peripheral surface of said rotatable developing member;
a regulating portion provided opposite to said rotatable developing member and configured to regulate, at a position closest to said rotatable developing member, an amount of the developer carried on said rotatable developing member, said regulating portion being positioned below a rotation center of said rotatable developing member in a state that said developing device is in a position where the electrostatic latent image formed on the image bearing member is developed;
a magnet provided fixedly inside said rotatable developing member and configured to generate a magnetic field for peeling off the developer, passed through the developing position, from an outer peripheral surface of said rotatable developing member, said magnet including a plurality of magnetic poles including a first magnetic pole and a second magnetic pole which is provided adjacently to said first magnetic pole on a side downstream, with respect to a rotational direction of said rotatable developing member, of a first peak position where magnetic flux density of said first magnetic pole is a maximum and which has the same polarity as said first magnetic pole;
a cover portion provided opposite to said rotatable developing member along the outer peripheral surface of said rotatable developing member and provided between said second frame and said rotatable developing member over a rotational axis direction of said rotatable developing member, said cover portion being disposed so as to form a clearance between itself and said rotatable developing member with respect to a radial direction of said rotatable developing member and to form a clearance between itself and said second frame with respect to the radial direction of said rotatable developing member,
wherein as seen in a cross section perpendicular to the rotational axial direction of said rotatable developing member in a state that said developing device is in the position where the electrostatic latent image formed on the image bearing member is developed,
with respect to the rotational direction of said rotatable developing member, a most upstream end of said cover portion is positioned downstream of the developing position and upstream of a most upstream position of a half-width of magnetic flux density of said first magnetic pole, and
with respect to the rotational direction of said rotatable developing member, a most downstream end of said cover portion is positioned downstream of the first peak position and upstream of a position where the magnetic flux density of said first magnetic pole is a minimum on a side downstream of the first peak position and upstream of a second peak position where magnetic flux density of said second magnetic pole is a maximum,
wherein the following relationship is satisfied:
L1?L2+L3, and
L2?L3,
where with respect to the radial direction of said rotatable developing member, L1 is a minimum of the clearance formed between said second frame and said rotatable developing member, L2 is a minimum of the clearance formed between said rotatable developing member and said cover portion, and L3 is a minimum of the clearance formed between said second frame and said cover portion.

US Pat. No. 10,481,520

IMAGE FORMING APPARATUS AND CONTROL METHOD OF IMAGE FORMING APPARATUS

TOSHIBA TEC KABUSHIKI KAI...

11. A control method of an image forming apparatus comprising:controlling a second processor, which is faster than a first processor in accessing, to access a storage unit storing control information related to at least one parameter of light emission of each of a plurality of light emitting elements that irradiate a photoconductor with light in a first period during which predetermined processing is performed, and
controlling the first processor to access the storage unit in a second period other than the first period.

US Pat. No. 10,481,519

PRINT HEAD AND IMAGE FORMING APPARATUS

Konica Minolta, Inc., Ch...

1. A print head comprising:a plurality of current-driven non-single crystal light emitting elements arranged in a line;
a plurality of thin film transistors that is provided in one-to-one correspondence with the plurality of light emitting elements and each supplies a driving current to a corresponding one of the plurality of light emitting elements;
a detector that detects, when one of the plurality of light emitting elements corresponding to one of the plurality of thin film transistors emits light, an output voltage of the one of the plurality of thin film transistors; and a hardware processor that determines a control voltage to be applied to each of the plurality of thin film transistors when next light is emitted according to the output voltage of the one of the plurality of thin film transistors detected by the detector and a driving current to be supplied by each of the plurality of thin film transistors to cause each of the plurality of light emitting elements to emit light with a target light amount, wherein
the hardware processor determines, for each of the plurality of thin film transistors based on a Vsd-Id characteristic of a corresponding one of the plurality of thin film transistors, a control voltage corresponding to a combination of the output voltage Vsd detected by the detector and a driving current amount Id for causing one of the plurality of light emitting elements corresponding to the one of the plurality of thin film transistors to emit light with the target light amount as the control voltage.

US Pat. No. 10,481,518

IMAGE FORMING APPARATUS WHICH CHANGES TIME PERIOD FOR MASKING DETECTION OF PERIOD OF ROTATION SYNCHRONOUS SIGNAL

Canon Kabushiki Kaisha, ...

1. An image forming apparatus, which is configured to form an image on a recording medium at an image forming speed that is selectively set from a plurality of image forming speeds, the image forming apparatus comprising:a photosensitive member;
a light source configured to emit a light beam;
a rotary polygon mirror configured to deflect the light beam emitted from the light source so that the light beam scans a surface of the photosensitive member;
a drive motor configured to rotate the rotary polygon mirror;
a signal generation unit configured to generate a rotation synchronous signal including a pulse that is generated in a period corresponding to a rotation speed of the rotary polygon mirror; and
a rotation control unit configured to receive the rotation synchronous signal, and configured to control the rotation speed of the rotary polygon mirror, the rotation control unit being configured to selectively set, based on a set image forming speed, a rotation speed from a plurality of rotation speeds including a first rotation speed and a second rotation speed which is lower than the first rotation speed, to control the drive motor based on the period of the pulse included in the rotation synchronous signal so that the rotary polygon mirror is rotated at a set rotation speed,
wherein the rotation control unit executes a masking processing of masking the rotation synchronous signal received in a time period from when a pulse is generated in the rotation synchronous signal to when a next pulse is generated in the rotation synchronous signal, and the rotation control unit does not execute a rotation control of the drive motor based on the rotation synchronous signal in the time period in which the masking processing is executed, and the rotation control unit releases the time period, in which the rotation synchronous signal is masked, in synchronization with generation of the next pulse, the masking processing being enabled in synchronization with generation of the pulse,
wherein a time period in which a first masking processing set with respect to the first rotation speed is enabled is shorter than a time period in which a second masking processing set with respect to the second rotation speed is enabled, and
wherein, in a sequence of switching the rotation speed of the rotary polygon mirror from the first rotation speed to the second rotation speed without stopping the rotary polygon mirror, the rotation control unit switches the masking processing from the first masking processing to the second masking processing after reduction of the rotation speed of the rotary polygon mirror is started.

US Pat. No. 10,481,516

CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

FUJI XEROX CO., LTD., Mi...

1. A charging member comprising:a cylindrical or columnar conductive base material; and
an elastic portion provided on the conductive base material,
wherein a value of an outer diameter of the charging member at a position of 5 mm from an axial end portion of the elastic portion is greater than a maximum value of an outer diameter of the charging member at an axial center of the elastic portion.

US Pat. No. 10,481,512

PHOTOCONDUCTOR HAVING PROTECTIVE OVERCOAT LAYER WITH A CHARGE TRANSPORT MOLECULE WITH FOUR RADICAL POLYMERIZABLE HYDROPHILIC FUNCTIONAL GROUPS CONTAINING AN OXYGEN ATOM AND METHOD OF MAKING THE SAME

LEXMARK INTERNATIONAL, IN...

1. An organic photoconductor drum comprising:a support element;
a charge generation layer disposed over the support element;
a charge transport layer disposed over the charge generation layer; and
an overcoat layer disposed over the charge transport layer, wherein the overcoat layer includes a cured composition including a charge transport molecule as shown below:

wherein R1 and R2 contain a spacer group and a radical polymerizable hydrophilic functional group containing an oxygen atom, R3 and R4 are a non-radical polymerizable functional group, and R5 and R6 contain a spacer group and a radical polymerizable hydrophilic functional group containing an oxygen atom, and wherein the radical polymerizable hydrophilic functional group containing an oxygen atom of R1 and R2 is selected from the group consisting of acrylate group, methacrylate group, glycidyl ether group and epoxy group.

US Pat. No. 10,481,509

VIBRATION DAMPING APPARATUS, LITHOGRAPHY APPARATUS, AND METHOD OF MANUFACTURING ARTICLE

CANON KABUSHIKI KAISHA, ...

1. A vibration damping apparatus that performs vibration damping of a first optical element among a plurality of optical elements arranged in a barrel, comprising:a holding member connected to the barrel and configured to hold the first optical element; and
a mass body spaced apart from the barrel and supported by the holding member via a damper element,
wherein the mass body includes a second optical element arranged in the barrel and different from the first optical element among the plurality of optical elements.

US Pat. No. 10,481,508

EXPOSURE APPARATUS AND METHOD OF MANUFACTURING ARTICLE

CANON KABUSHIKI KAISHA, ...

1. An exposure apparatus for transferring a pattern of a mask onto a substrate by exposing the substrate while scanning the mask and the substrate, the apparatus comprising:a stage configured to hold and move the substrate;
a control unit configured to control movement of the stage;
a first measurement unit configured to measure a position, in a height direction, of a shot region of the substrate held by the stage before the shot region reaches an exposure area where the shot region is exposed; and
a second measurement unit configured to measure the position of the shot region in the height direction prior to the first measurement unit,
wherein the control unit:
controls the stage to perform:
first driving where the substrate is driven in the height direction based on a measurement result of the second measurement unit; and
second driving where the substrate is driven in the height direction based on a measurement result of the first measurement unit after the second measurement unit measures the position of the shot region in the height direction and until the shot region reaches the exposure area;
makes a second driving amount of the stage in the height direction in the second driving smaller than a first driving amount of the stage in the height direction in the first driving;
controls the stage so that the position of the shot region in the height direction is positioned at a first target position different from a second target position of the shot region in the height direction by the first driving and is positioned at the second target position by the second driving; and
makes a time period required for the first driving from the position of the shot region in the height direction measured by the second measurement unit to the first target position shorter than a time period required for the second driving from the position of the shot region in the height direction measured by the first measurement unit to the second target position.

US Pat. No. 10,481,505

METHOD FOR DETERMINING AN IMAGING ABERRATION CONTRIBUTION OF AN IMAGING OPTICAL UNIT FOR MEASURING LITHOGRAPHY MASKS

Carl Zeiss SMT GmbH, Obe...

1. A method for determining an imaging aberration contribution of an imaging optical unit for measuring lithography masks, the method comprising the following steps:a) focus-dependently measuring a 3D aerial image of the imaging optical unit as a sequence of 2D intensity distributions in different measurement planes in the region of and parallel to an image plane of an imaging of an object by use of the imaging optical unit;
b) determining a spectrum S(?) of a speckle pattern of the 3D aerial image by Fourier transformation of the measured 2D intensity distributions having speckle patterns;
c) determining, for a plurality of spectral components S(?xi, ?yi) in the frequency domain, a focus dependence of a real part RS(z) and an imaginary part IS(z) of said spectral component;
d) separating from the determined values of the focus dependence
aa) a contribution (H) made to the speckle pattern spectrum (S(?)) by a mask structure, which contribution is to be eliminated, from
bb) an imaging aberration contribution (?) made to the speckle pattern spectrum by the imaging optical unit; and
e) representing the imaging aberration contribution (?).

US Pat. No. 10,481,504

METHOD AND APPARATUS FOR SEMICONDUCTOR MANUFACTURING

IMEC VZW, Leuven (BE)

1. A method for determining dimensions of features in a patterned layer of a chip produced on a semiconductor production wafer, the production of the layer including a lithography act and an etching act, the lithography act including:applying a lithographic mask which defines a pattern of features and
exposing a resist layer to a light source through the mask, thereby obtaining printed pattern features,the method comprising the acts of:including in the mask one or more asymmetric marks which result in printed mark features in the resist layer after the lithography act, and in etched mark features after the etching act, wherein:
the position of the printed mark features depends on the set values of one or more lithographic parameters applied in the lithography act,
the position of the etched mark features depends on the set values of one or more etch parameters applied in the etching act,
determining on one or more test wafers, the position or a value representative thereof, of the printed and/or etched mark features, for a plurality of different ‘set’ values of the lithographic and/or etch parameters,
determining dimensions of one or more characteristic features of the patterned layer for the same plurality of set values of the lithographic and/or etch parameters,
determining a first parametric model correlating the position of the printed and/or etched asymmetric mark features to the plurality of different set values of the lithographic and/or etch parameters,
determining a second parametric model correlating the measured characteristic feature dimensions to the plurality of different values of the lithographic and/or etch parameters,
inverting the first parametric model,
performing the lithography and etch acts on the production wafer and determining the position of the same printed and/or etched asymmetric mark features,
calculating from the inverted model a set of ‘get’ values of the lithographic and/or etch parameters, and
determining the dimensions of one or more characteristic features on the production wafer by applying the ‘get’ values to the second parametric model.

US Pat. No. 10,481,503

METHOD AND APPARATUS FOR MEASURING A PARAMETER OF A LITHOGRAPHIC PROCESS, SUBSTRATE AND PATTERNING DEVICES FOR USE IN THE METHOD

ASML Netherlands B.V., V...

1. A method of forming a target structure and measuring a parameter of a lithographic process comprising:forming a target structure comprising first and second targets by the lithographic process, wherein each of the first and second targets comprise a two-dimensional periodic structure formed in a single material layer on a substrate, and wherein the lithographic process comprises:
defining features of grid elements in the first and second targets;
modifying the features defined in the first target by removing portions of each grid element in the first target at predefined locations in the first target, each removed portion being offset from a grid element by a first bias amount that is close to one half of a spatial period of the features; and
modifying the features defined in the second target by removing portions of each grid element in the second target at predefined locations in the second target, each removed portion from the second target being offset from a grid element by a second bias amount that is close to one half of the spatial period and different from the first bias amount;
illuminating, using an optical system, the target structure with radiation;
obtaining, using a detector, an angle-resolved scatter spectrum of the target structure; and
deriving, using a processing device, a measurement of the parameter using asymmetry found in the angle-resolved scatter spectrum of the target structure.

US Pat. No. 10,481,502

OBJECT HOLDER AND LITHOGRAPHIC APPARATUS

ASML NETHERLANDS B.V., V...

1. A moveable substrate table to support a substrate, the substrate table comprising:a support body having a support surface configured to hold the substrate on the substrate table;
an opening adjacent an edge of the support surface; and
a channel attached to the support body and in fluid communication with the opening via a passageway, wherein the channel is at least essentially thermally decoupled from the support body and from the passageway so that a thermal load in material defining the channel is essentially prevented from being transmitted to the support body and to the passageway.

US Pat. No. 10,481,501

METHOD FOR PRODUCING A REFLECTIVE OPTICAL ELEMENT, REFLECTIVE OPTICAL ELEMENT, AND USE OF A REFLECTIVE OPTICAL ELEMENT

Carl Zeiss SMT GmbH, Obe...

1. A method of processing a substrate comprising a first material, the substrate comprising a cavity extending from a first surface of the substrate, the method comprising:filling the cavity in the substrate with a second material;
using galvanic and/or chemical deposition of a third material to apply an overcoating to the first surface of the substrate in a region of the cavity;
removing the second material from the cavity; and
before or after removing the second material from the cavity, applying a reflective layer to the overcoating,
wherein the method forms an article.

US Pat. No. 10,481,499

DETERMINATION OF STACK DIFFERENCE AND CORRECTION USING STACK DIFFERENCE

ASML Netherlands B.V., V...

1. A method comprising:obtaining first values of a stack difference parameter and second values of a stack difference parameter for a plurality of adjacent periodic structures of a measurement target or for a plurality of adjacent measurement targets, the first values of the stack difference parameter and second values of the stack difference parameter having been obtained with, respectively, measurements using first measurement radiation and second measurement radiation and the stack difference parameter representing an un-designed difference in physical configuration between adjacent periodic structures of a measurement target or between adjacent measurement targets on a substrate;
obtaining first values of a target parameter and second values of the target parameter for the plurality of adjacent periodic structures of the measurement target or for the plurality of adjacent measurement targets, the first values of the target parameter and second values of the target parameter having been obtained with, respectively, the first measurement radiation and the second measurement radiation and wherein the target parameter value comprises a part which is independent of the un-designed difference in physical configuration, and a part due to the un-designed difference in physical configuration; and
determining a relationship function describing a relationship between the first and/or second values of stack difference parameter and the difference of the first values of the target parameter and the second values of the target parameter; and
determining a part of a target parameter value which is independent of the un-designed difference in physical configuration from the relationship function.

US Pat. No. 10,481,496

FORMING CONDUCTIVE VIAS USING A LIGHT GUIDE

International Business Ma...

15. A process comprising:providing a via in a base material, comprising at least two copper lines and at least one insulator layer separating the at least two copper lines, in a direction perpendicular to a plane of the base material,
wherein the via intersects the at least two copper lines;
applying a photoresist layer to an interior surface of the via;
inserting a light guide into the via;
exposing, via the light guide, a portion of the photoresist layer to light, thereby resulting in an exposed portion of the photoresist layer and an unexposed portion of the photoresist layer;
removing a portion of the photoresist layer; and
plating an area of the via, where the photoresist has been removed, with a metal, thereby resulting in a portion of the via plated with metal and a portion of the via not plated with metal.

US Pat. No. 10,481,493

COLORED PHOTOSENSITIVE RESIN COMPOSITION AND LIGHT SHIELDING SPACER PREPARED THEREFROM

Rohm and Haas Electronic ...

1. A colored photosensitive resin composition, which comprises:(A) 5 to 40 wt % of a copolymer comprising (A-1) structural unit derived from an ethylenically unsaturated carboxylic acid, an ethylenically unsaturated carboxylic anhydride, or a combination thereof, (A-2) structural unit derived from an ethylenically unsaturated compound containing an aromatic ring, and (A-3) structural unit derived from an ethylenically unsaturated compound different from (A-1) and (A-2), based on the total weight of the solid content of the colored photosensitive resin composition;
(B) 5 to 30 wt % of an epoxy resin or a compound derived therefrom, based on the total weight of the solid content of the colored photosensitive resin composition;
(C) 10 to 40 wt % of a photopolymerizable compound, based on the total weight of the solid content of the colored photosensitive resin composition;
(D) 0.05 to 5 wt % of a photopolymerization initiator, based on the total weight of the solid content of the colored photosensitive resin composition; and
(E) 10 to 75 wt % of a colorant, based on the total weight of the solid content of the colored photosensitive resin composition,
wherein the photopolymerization initiator (D) comprises an oxime ester fluorene-based initiator of Formula 1 below:

wherein, in Formula 1 above, R1 is each independently C1-20 alkyl, R2 and R3 are each independently C1-20 alkyl, C6-20 aryl, or C3-20 cycloalkyl,
A is nitro or cyano, and
X is a single bond or carbonyl.

US Pat. No. 10,481,490

IMPRINT APPARATUS, AND METHOD OF MANUFACTURING ARTICLE

Canon Kabushiki Kaisha, ...

1. An apparatus that cures an uncured material on a substrate in a state of bringing a member and the uncured material into contact with each other, the apparatus comprising:a gas supply device configured to supply a condensable gas to a space between the uncured material and the member, the condensable gas being liquefied by pressing;
a pipe for transferring the condensable gas in a gas state to the gas supply device; and
a storage connected to the pipe, the storage storing the condensable gas in a liquid state,
wherein the gas supply device is configured to supply the condensable gas vaporized in the storage and transferred through the pipe from the storage.

US Pat. No. 10,481,487

MASK

Shenzhen China Star Optoe...

1. A mask, which is adopted to fabricate a common electrode on an array substrate, comprising a central portion, a first portion, and a second portion, wherein the first portion is connected to the central portion and extends in a first direction and the second portion is connected to the central portion and extends in a second direction, the first direction and the second direction intersecting each other, a first notch being formed in an interfacing site of the first portion and the central portion, a second notch being formed in an interfacing site of the second portion and the central portion, the second notch being connected to and in communication with the first notch to collectively form a first recessed zone.

US Pat. No. 10,481,481

CAMERA MOUNTING FOR STEREOSCOPIC PANORAMIC RECORDINGS

BERLINER KTA SHAREHOLDER ...

1. A camera-mounting apparatus comprising:a mechanically stabilizing frame; and
a plurality of camera fastenings, each of which is suitable for receiving and fixing a camera, the camera fastenings being attached to and distributed around the frame and oriented such that when a camera having a field of view is received by each of the camera fastenings, overall field of view of all of the cameras is larger than the field of view of an individual camera;
wherein:
each point of the overall field of view of all of the cameras lies within the field of view of at least two of the cameras;
the frame is approximately ring-shaped, toroidal or bowl-shaped, or has the form of a hollow polygon, a hollow equilateral polygon of a hollow polyhedron; and
an interior of the frame includes a cavity for receiving a head of a person wearing the device, or a small (approximately head-sized) vehicle or aircraft.

US Pat. No. 10,481,478

DUST-PROOF CASE, LIGHT SOURCE UNIT AND PROJECTOR

CASIO COMPUTER CO., LTD, ...

1. A dust-proof case comprising:a case main body having a lid member resting surface that is formed on an outer circumferential portion and a wall portion that is formed on an outer circumferential side of the lid member resting surface; and
a lid member having a lid member main body having a plurality of corner portions and an elastic portion that is in abutment with an inner surface of the wall portion that is formed on an outer circumference of the lid member main body and rested on the lid member resting surface,
wherein the elastic portion includes the plurality of corner portions and a straight-line portion in a circumferential shape thereof, and
wherein a circumferential cross-sectional area of the elastic portion is narrower at the corner portion than at the straight-line portion.

US Pat. No. 10,481,474

WAVELENGTH CONVERSION FILTER MODULE AND ILLUMINATION SYSTEM

Coretronic Corporation, ...

1. A wavelength conversion filter module, comprising:a carrier having a plurality of optical regions and adapted to move to allow the plurality of optical regions to receive an excitation beam in order, wherein at least one of the plurality of optical regions is a wavelength conversion filter region; and
a wavelength conversion filter unit located in the wavelength conversion filter region and comprising a filter reflective device, a wavelength conversion device, and a first filter device disposed on the carrier in order, wherein the first filter device is suitable for allowing the excitation beam incident on the wavelength conversion filter unit to pass through, the wavelength conversion device is suitable for converting the excitation beam into a conversion beam, the conversion beam comprises a specific color beam and a color beam other than the specific color beam, the filter reflective device is suitable for reflecting the specific color beam and absorbing the color beam other than the specific color beam, and the first filter device is suitable for allowing the specific color beam to pass through and reflecting a color beam other than the specific color beam and the excitation beam.

US Pat. No. 10,481,472

METHOD AND DEVICE FOR PROJECTION PARAMETER ADJUSTMENT AND PROJECTION APPARATUS

BOE TECHNOLOGY GROUP CO.,...

1. A method for projection parameter adjustment, comprising: adjusting a projector in accordance with a plurality of predetermined patterns sequentially, wherein each of the predetermined patterns corresponds to a projection parameter, the projection parameter includes one or more of a position where the projector is placed, an angle at which a lens of the projector is rotated about an axis of the lens and a position of the lens of the projector, and for each predetermined pattern, the step of adjusting the projector according to the predetermined pattern includes:Step S1, controlling the projector to display the predetermined pattern in accordance with a predetermined display condition corresponding to the predetermined pattern;
Step S2, measuring luminance of a plurality of predetermined positions in a theoretical display area of the projector in accordance with the predetermined measurement condition;
Step S3, judging whether the predetermined pattern matches with the theoretical display region in accordance with the luminance of the plurality of predetermined positions; and
Step S4, under the condition the predetermined pattern does not match with the theoretical display area, adjusting the projector and repeating Step S1 to Step S3 until the predetermined pattern matches with the theoretical display area.

US Pat. No. 10,481,471

SOFT BOX

GODOX PHOTO EQUIPMENT CO....

1. A soft box comprising:a housing comprising a snap-fitting member, and a light passageway which is a cylindrical hole and a flash lamp cap fixing device is formed therein;
a main body for a lamp holder detachably connected to the housing by a connecting device; the connecting device comprising a first locking portion and a second locking portion;
an installing base connected to the bottom of the housing and the main body for the lamp holder embedded in the installing base so that the housing can rotate around the main body for the lamp holder; and wherein the first locking portion passes through the installing base and the main body for the lamp holder to tightly fix with the second locking portion, and the flash lamp cap fixing device comprises a supporting platform and a pressing plate opposite to the supporting platform and having an adjustable position relative to the supporting platform;
wherein the first locking portion comprises a bolt and the second locking portion comprises a handle which comprises an inner threaded hole therein, the bolt passes through the installing base and the main body for the lamp holder to threadedly connect with the inner threaded; wherein the main body for the lamp holder comprises a casing which comprises a turntable formed therein, and a stopper is formed below the turntable, to limit the rotation of the turntable and wherein the stopper comprises a limiting bolt and a limiting screw which can pass through the casing to threadedly connect with the limiting bolt, and the turntable comprises a fixing hole formed on the bottom thereof so that the limiting bolt can be inserted into the fixing hole.

US Pat. No. 10,481,469

CAMERA SHUTTERS

Hewlett Packard Developme...

1. An apparatus, comprising:a shutter element to selectively cover a camera lens disposed in a housing assembly of a computing device, the shutter element pivotally mounted inside the housing assembly with the camera lens; and
a manually operable actuator coupled to the shutter element to pivot the shutter element relative to the camera lens and the housing assembly, wherein manual rotation of the actuator in a first direction pivots the shutter element to cover the camera lens and manual rotation of the actuator in a second, opposite direction pivots the shutter element away from the camera lens.

US Pat. No. 10,481,468

METHOD TO GENERATE TERAHERTZ RADIATION AND TERAHERTZ RADIATION SOURCE

1. A method to generate terahertz radiation in a nonlinear optical medium, the method comprising:subjecting a pump beam to pulse front tilting by inducing a tilted pulse front of the pump beam as a sum of a plurality of pulse front tilts to satisfy a matching condition of vp,cs cos(?)=vTHz,f including inducing individual ones of the plurality of pulse front tilts separately as a partial pulse front tilt of the pump beam in subsequent steps comprising at least a first step and a second step, where vp;cs is a group velocity of the pump beam, vTHz;f is a phase velocity of the THz pulse, and ? is an angle formed between the pulse front and the phase front of said pump beam,
guiding the pump beam with tilted pulse front through imaging optics,
coupling the pump beam with the tilted pulse front into the nonlinear optical medium through an entry surface of the nonlinear optical medium,
performing a step of the subsequent steps of inducing the individual ones of the plurality of pulse front tilts by coupling the pump beam into the nonlinear optical medium through a stair-step structure formed in the entry surface of the nonlinear optical medium,
generating THz radiation using the optical medium in nonlinear optical processes as a result of the pump beam, and
passing the THz radiation through an exit surface of the nonlinear optical medium that is parallel within about two degrees to the entry surface of the nonlinear optical medium.

US Pat. No. 10,481,465

ILLUMINATION DEVICE AND DISPLAY DEVICE

Japan Display Inc., Mina...

1. An illumination device comprising:a light source unit which emits light;
a modulation element comprising a modulation portion which modulates incident light, and a non-modulation portion which is adjacent to the modulation portion; and
a liquid crystal element located between the light source unit and the modulation element, the liquid crystal element forming a lens between the light source unit and the modulation portion,
wherein the modulation portion is smaller than the non-modulation portion,
the modulation element comprises a third substrate comprising a plurality of third control electrodes, a fourth substrate comprising a fourth control electrode, and a second liquid crystal layer held between the third substrate and the fourth substrate,
the second liquid crystal layer includes liquid crystal molecules twisted-aligned in a state where no electric field is formed between the third control electrodes and the fourth control electrode,
the liquid crystal molecules in the non-modulation portion are vertically aligned by the electric field,
the liquid crystal molecules in the modulation portion are twisted-aligned, and
the modulation portion is arranged at a position where light is converged by the lens.

US Pat. No. 10,481,464

OPTICAL MODULATOR WITH WIRINGS OF EQUAL LENGTH

SUMITOMO OSAKA CEMENT CO....

1. An optical modulator comprising, on a substrate, an optical waveguide and a control electrode for controlling light waves propagating through the optical waveguide,wherein the optical waveguide includes a first branch section that branches one input light beam into two, each of first and second modulation portions, which are connected to two branched waveguides branched in the first branch section, having a structure in which one or more Mach-Zehnder type optical waveguides are combined,
the control electrode includes signal electrodes that apply a modulation signal to the first and second modulation portions,
input portions of all the signal electrodes that are configured to input modulation signal to the first and second modulation portions and that are arranged on any one of the left and right sides of the substrate in a propagation direction of the light waves,
output portions of the signal electrodes that are configured to output the modulation signal from the first and second modulation portions and that, in the propagation direction of the light waves, are arranged on both sides of the substrate on which the first or second modulation portion is arranged, wherein each of the signal electrodes has at least one of the output portions located on one side of the substrate,
at least two termination substrates, each of the termination substrates including a termination circuit connected to each output portion is arranged near the output portion, wherein one of the termination substrates is disposed on the side on which the first modulation portion is arranged and another one of the termination substrates is disposed on the other side on which the second modulation portions is arranged, the output portions of a part of the signal electrodes are extended from the first modulation portion to the one of the terminal substrates, and the output portions of another part of the signal electrodes are extended from the second modulation portion to the other one of the terminal substrates,
a DC wiring that is not electrically connected to the signal electrode is included to apply a bias voltage to the modulation portion or an optical waveguide in a stage subsequent to the modulation portion,
a light reception element that monitors some of the light waves derived from the modulation portion and is arranged on the substrate, and a monitor wiring that derives an output signal from the light reception element are included, and
at least a portion of the DC wiring or the monitor wiring is forming in a portion of the termination substrate,
wherein lengths of wirings from a start portion of an interaction region in the modulation portion to the output portion are set to be equal between the different signal electrodes.

US Pat. No. 10,481,463

ALL OPTICAL FAST FOURIER TRANSFORM ON CHIP WITH HEATING TUNABILITY DESIGN, SIMULATION, FABRICATION, AND PERFORMANCE ANALYSIS

The George Washington Uni...

1. A temporal photonic integrated Fast Fourier Transform circuit, comprising:a photonic integrated on-chip input for receiving an optical signal from a source; and
a photonic integrated on-chip first stage having a first interferometer with a first stage output, and a photonic integrated on-chip second stage having a second interferometer and a third interferometer, the second and third interferometers receiving the first stage output and having a second stage output, wherein each of said first, second and third interferometers each comprise a first arm and a second arm parallel to the first arm, the first arm forming a first waveguide and the second arm having a spiral waveguide, and further comprising first arm output from the first waveguide and a second arm output from the spiral waveguide, said first, second and third interferometers further comprising a coupler to couple the first arm output and the second arm output, wherein the spiral waveguide imparts a phase delay to the optical signal whereby said circuit conducts Fast Fourier Transform.

US Pat. No. 10,481,462

SIGNAL CONTROL FOR SEGMENTED MODULATORS

Hewlett Packard Enterpris...

1. An apparatus, comprising:a serializer;
a re-timing buffer coupled to the serializer;
a plurality of segments coupled to the re-timing buffer, wherein the plurality of segments is for controlling a timing of an electrical signal, wherein each one of the plurality of segments comprises:
a segment serializer;
a timing control coupled to the segment serializer; and
a driver coupled to the timing control; and
a phase clock coupled to the segment serializer and the timing control of each one of the plurality of segments.

US Pat. No. 10,481,461

REVERSIBLE ELECTROCHEMICAL MIRROR

Electronics and Telecommu...

1. A reversible electrochemical mirror comprising:a first substrate;
a second substrate facing the first substrate;
a first transparent electrode disposed on the first substrate and facing the second substrate;
a second transparent electrode disposed on the second substrate and facing the first transparent electrode;
an electrolyte solution interposed between the first transparent electrode and the second transparent electrode; and
a counter electrode material layer disposed on the second transparent electrode and contacting the electrolyte solution,
wherein the counter electrode has a planar surface contacting the electrolyte solution,
wherein the counter electrode includes one of an ion storage material and an electrochromic material, and
wherein the electrolyte solution includes a first chemical and a second chemical, such that when a voltage having a first polarity is applied between the first transparent electrode and the second transparent electrode, a metal in the first chemical forms a metal layer on the first transparent electrode, and when a voltage having a second polarity opposite the first polarity is applied between the first transparent electrode and the second transparent electrode, the metal layer dissolves into the electrolyte solution and the counter electrode absorbs an ion from the second chemical.

US Pat. No. 10,481,458

ELECTROCHROMIC DEVICES ON NON-RECTANGULAR SHAPES

View, Inc., Milpitas, CA...

1. A method of fabricating an optically switchable device on a non-rectangular substrate, the method comprising:(a) receiving at a laser tool the non-rectangular substrate having disposed thereon one or more layers of the optically switchable device; and
(b) directing a laser spot according to two or more non-rectangular laser patterns onto a region at the periphery of the optically switchable device along two straight edges of the non-rectangular substrate to remove at least one of the one or more layers of the optically switchable device from the region without re-orienting the non-rectangular substrate as it passes through the laser tool, wherein the two straight edges meet at a corner that is not a right angle.

US Pat. No. 10,481,455

LIQUID CRYSTAL DISPLAY DEVICE, MANUFACTURING METHOD OF THE SAME AND ELECTRONIC EQUIPMENT

Japan Display Inc., Toky...

1. A display device comprising:a plurality of scan lines and a plurality of signal lines on one of a pair of substrates arranged opposed to each other, the plurality of scan lines and the plurality of signal lines extending in different directions; and
a plurality of partitioned portions each partitioned by one of the scan lines and one of the signal lines, on the one of the pair of substrates, each of the partitioned portions including a pixel electrode and a common electrode,
wherein
the scan lines include a first scan line and a second scan line,
the signal lines include a first signal line,
the partitioned portions include at least a first region and a second region, the first region being partitioned by the first scan line and the first signal line, and the second region being partitioned by the second scan line and the first signal line,
the first region includes a plurality of slit-shaped openings each including:
a first opening body that extends in a first direction; and
first opening ends that are ends of the slit-shaped openings of the first region, first opening ends each extending in a first end direction that is different from the first direction,
the second region includes a plurality of slit-shaped openings each including:
a second opening body that extends in a second direction; and
second opening ends that are ends of the slit-shaped openings of the second region, the second opening ends each extending in a second end direction that is different from the second direction,
the first opening bodies, the second opening bodies, the first opening ends and the second opening ends each have a quadrilateral shape,
all of the first opening bodies in the first region extend in the first direction that is different from the second direction in which all of the second opening bodies in the second region extend, and
all of the first opening ends in the first region extend in the first end direction that is different from the second end direction in which all of the second opening ends in the second opening region extend.

US Pat. No. 10,481,447

LCD DISPLAY DEVICE

A.U. Vista, Inc., Milpit...

1. A display device, comprising:a first display panel and a second display panel arranged for stacking into a panel stack, the panel stack having a first stack side and an opposing second stack side;
a single color-filter substrate;
a diffuser located in the panel stack between the first display panel and the second display panel;
a backlight unit located in the panel stack near the second stack side;
a signal circuit, and
a signal connector having a first connector end and a second connector end, wherein
the first display panel comprises:
said color-filter substrate;
a first TFT substrate, and
a first liquid crystal layer disposed between said color: filter substrate and the first TFT substrate, and
the second display panel comprises:
a support substrate;
a second TFT substrate; and
a second liquid crystal layer disposed between the support substrate and the second TFT substrate, the support substrate disposed adjacent to the second liquid crystal layer, spaced from the second TFT substrate, the support substrate disposed between the backlight unit and the second liquid crystal layer, and
wherein the first connector end of the signal connector is electrically connected to the first TFT substrate, and the second connector end of the signal connector is electrically connected to the second TFT substrate, and wherein the signal circuit is arranged to provide electronic signals to the first TFT substrate, and also to provide the electronic signals to the second TFT substrate via the signal connector.

US Pat. No. 10,481,445

ARRAY SUBSTRATE AND FABRICATION METHOD THEREOF, AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. An array substrate, comprising:a first electrode including a plurality of first sub-electrodes;
a second electrode including a plurality of second sub-electrodes; and
an insulating layer disposed between the first electrode and the second electrode, wherein:
a plurality of via holes is formed in the insulating layer, and
the plurality of the second sub-electrodes is electrically connected to the plurality of the first sub-electrodes correspondingly through the plurality of the via holes; and
a light compensating structure disposed under an uneven portion of the insulating layer to locally improve an exposure efficiency in a photolithographic process for forming the second electrode, and the light compensating structure includes a protrusion structure having a thickness to protrude the uneven portion of the insulating layer in a direction close to the second electrode.

US Pat. No. 10,481,444

ARRAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. An array substrate, comprising a display region and a non-display region surrounding the display region, wherein the array substrate further comprises a plurality of gate lines, a plurality of data lines, and a plurality of common electrode lines;the plurality of data lines and the plurality of gate lines define a plurality of pixel units at the display region;
each pixel unit comprises a pixel electrode;
at least one of the plurality of common electrode lines comprises a main line and a branch line located at at least one side of the main line; and
at least a part of the branch lines are located at an inner side of a periphery of the display region,
wherein the branch line is arranged at two opposite sides of the main line.

US Pat. No. 10,481,441

MASK, CORRESPONDING SPACER STRUCTURE, AND LIQUID CRYSTAL DISPLAY PANEL USING THE SAME

AU OPTRONICS CORPORATION,...

1. A method of making a spacer structure by using a binary mask, comprising:providing the binary mask, wherein the binary mask has a first opening region and a second opening region, wherein the first opening region and the second opening region respectively have geometric shapes with the ratio of the length to the width or the ratio of the long axis to the short axis being greater than or equal to 1.25, and the area of the first opening region is greater than the area of the second opening region;
projecting a light ray onto a photosensitive material through the first opening region and the second opening region of the binary mask to form a first spacer and a second spacer respectively;
wherein the first spacer has a geometric shape corresponding to the ratio of the length to the width or the ratio of the long axis to the short axis of the first opening region, the second spacer has a geometric shape corresponding to the ratio of the length to the width or the ratio of the long axis to the short axis of the second opening region, and there is a height difference between the first spacer and the second spacer.

US Pat. No. 10,481,440

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD FOR MANUFACTURING THE SAME

Mitsubishi Electric Corpo...

1. A liquid crystal display device comprising a liquid crystal panel which displays a video image in a display region in a curved state, whereinthe liquid crystal panel includes
a liquid crystal,
a pair of glass substrates which sandwich the liquid crystal,
main spacers that contact both of the pair of glass substrates and keep an interval between the pair of glass substrates, and
sub spacers, which are each smaller than any of the main spacers and arranged among the main spacers to come into contact with only one of the pair of glass substrates and, when the main spacers elastically deform and the interval between the pair of glass substrates becomes closer, the sub spacers come into contact with both of the pair of glass substrates and keep the interval,
in the display region, a density per unit area of the main spacers at a center portion in a curving direction of the liquid crystal panel is higher than the density of the main spacers at both end portions in the curving direction, and
in the display region, a ratio of the density of the main spacers with respect to the density of the sub spacers at a center portion in the curving direction is higher than the ratio at both end portions in the curving direction.

US Pat. No. 10,481,439

SYSTEM AND METHOD FOR PROTECTING A LIQUID CRYSTAL DISPLAY BY CONTROLLING ION MIGRATION

OmniVision Technologies, ...

1. A liquid crystal display comprising:a pixel array;
a liquid crystal layer disposed over said pixel array; and
a controller coupled to receive image data and being operative to drive a first set of pixels defining a display area of said pixel array based on said image data and to drive a second set of pixels defining a border area of said pixel array based on display-protection data; and wherein
said pixels of said display area are driven to display images corresponding to said image data, which are intended to be viewed by an audience; and
said pixels of said border area are driven to display display-protection images corresponding to said display-protection data; and wherein
said pixels of said first set of pixels and said second set of pixels are each coupled to a row select line and a data line, whereby each pixel is individually addressable for writing said image data to said pixels of said first set and said display-protection data to said pixels of said second set; and
said pixel array is embodied in a silicon substrate including integrated circuitry and a plurality of pixel mirrors.

US Pat. No. 10,481,438

DISPLAY BASEPLATE AND PREPARATION METHOD THEREOF, AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

7. A method for preparing a display baseplate, comprising:forming a composite material comprising graphene and polyimide; and
forming a conductive alignment film on a substrate of the display baseplate, wherein conductive alignment film is formed using the composite material,
wherein forming of the composite material comprises:
providing graphene oxide;
preparing a mixture of graphene oxide and polyacrylic acid; and
causing a reduction of the mixture of the graphene oxide and polyacrylic acid, thereby producing the composite material comprising graphene and polyimide.

US Pat. No. 10,481,437

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THAT

Japan Display Inc., Toky...

1. A liquid crystal display device comprising:a first substrate;
a first alignment film on the first substrate;
a second substrate;
a second alignment film on the second substrate;
a liquid crystal layer sandwiched between the first alignment film and the second alignment film;
a projecting portion on the second substrate;
a black matrix on the second substrate;
a first electrode in a pixel region, the first electrode between the first alignment film and the first substrate; and
an insulation film between the first substrate and the liquid crystal layer,
wherein the first electrode and the insulation film are covered by the first alignment film,
wherein the first alignment film or the second alignment film is a photo alignment film, and
wherein a thickness “d2” of the second alignment film on the projecting portion and a thickness “d1” of the second alignment film on the black matrix satisfy a formula (1),
d2

US Pat. No. 10,481,434

FLEXIBLE LIQUID CRYSTAL DISPLAY PANEL AND DISPLAY DEVICE COMPRISING FIRST AND SECOND NEGATIVE A PLATE COMPENSATION FILMS AND A POSITIVE C PLATE COMPENSATION FILM BETWEEN A SECOND FLEXIBLE SUBSTRATE AND THE FIRST NEGATIVE A PLATE

BOE TECHNOLOGY GROUP CO.,...

1. A flexible liquid crystal display panel comprising: a first flexible substrate and a second flexible substrate arranged oppositely; a first polarizer arranged on a side of the first flexible substrate facing away from the second flexible substrate; a second polarizer arranged on a side of the second flexible substrate facing away from the first flexible substrate; a liquid crystal cell located between the first flexible substrate and the second flexible substrate; anda positive C plate compensation film and a first negative A plate compensation film arranged on the second flexible substrate;
wherein the positive C plate compensation film, the first negative A plate compensation film and the second flexible substrate are arranged on a bottom side of the liquid crystal cell; the positive C plate compensation film is arranged between the second flexible substrate and the first negative A plate compensation film.

US Pat. No. 10,481,433

DYNAMIC OPTICAL AND RF DEVICES BASED ON STRUCTURED PLASMONICS AND LIQUID CRYSTAL HYBRIDS

United States of America ...

1. An apparatus, comprising:a substrate having permittivity and absorption characteristics supporting plasmon excitation within a spectral region of interest;
a plasmonic layer, disposed upon the substrate and including plasmonic material configured to exhibit surface plasmon polaritons (SPP) when exposed to an incident light beam of a first polarization; and
a liquid crystal (LC) layer, disposed upon at least a portion of the plasmonic layer and configured to change a polarization of a light beam passing therethrough;
said LC layer, in response to a first electric field applied thereto, changes said polarization of said light beam passing therethrough to said first polarization;
said LC layer, in response to a second electric field applied thereto, changes said polarization of said light beam passing therethrough to a second polarization, said second polarization being substantially orthogonal to said first polarization, wherein the plasmonic material comprises at least one layer of graphene ribbons having a geometry and spacing selected to provide sensitivity to the spectral region of interest, wherein said first polarization is perpendicular to a long axis of said graphene ribbons.

US Pat. No. 10,481,432

PHOTOLUMINESCENT PANEL, PHOTOLUMINESCENT LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING THE PHOTOLUMINESCENT PANEL

SAMSUNG DISPLAY CO., LTD....

1. A photoluminescent panel comprising:a lower substrate;
an upper substrate facing the lower substrate and comprising a plurality of color areas spaced apart from each other by a gap therebetween;
a liquid crystal layer between the lower substrate and the upper substrate; and
a color conversion layer on the upper substrate, and comprising:
a reflection wall provided in plural to define pairs of adjacent reflection walls among which first pairs of adjacent reflection walls define the color areas therebetween; and
a flattening layer commonly disposed between each pair of adjacent reflection walls, the flattening layer comprising a base material layer in which a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light are distributed,
wherein a same base material layer including a portion of the base material layer in which the light excitation particle is disposed extends from between the first pairs of adjacent reflection walls to be disposed at the gap between color areas.

US Pat. No. 10,481,428

DISPLAY SUBSTRATE AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A display substrate, comprising a plurality of pixel units and a protection layer covering the plurality of pixel units, wherein each pixel unit comprises:a blue subpixel; a transparent color filter layer being arranged in the blue subpixel and configured to allow a blue light beam to be transmitted therethrough toward the display substrate;
a red subpixel; a red fluorescent powder layer being arranged in the red subpixel and configured to emit a red light beam under the excitation of the blue light beam;
a green subpixel; a green fluorescent powder layer being arranged in the green subpixel and configured to emit a green light beam under the excitation of the blue light beam; and
a yellow subpixel; a yellow fluorescent powder layer being arranged in the yellow subpixel and configured to emit a yellow light beam under the excitation of the blue light beam;
wherein the transparent color filter layer arranged in the blue subpixel is formed integrally with the protection layer.

US Pat. No. 10,481,423

COVER WINDOW AND FOLDABLE DISPLAY DEVICE INCLUDING THE SAME

LG Display Co., Ltd., Se...

1. A cover window, comprising:a first region having a first stiffness;
a second region having a second stiffness greater than the first stiffness, the second region including a first portion and a second portion, wherein the first portion is closer to the first region than the second portion; and
a nano-particle in the first portion and not in the second portion,
wherein the first region has a first thickness, and the nano-particle is positioned within the first region at a second thickness smaller than the first thickness.

US Pat. No. 10,481,422

LASER DEVICE AND EXTREME ULTRAVIOLET LIGHT GENERATION DEVICE

Gigaphoton Inc., Tochigi...

1. A laser device, comprising:a plurality of optical shutters disposed in series with each other on an optical path of a laser beam and configured to open and close in response to application of high voltage;
a power source device configured to generate the high voltage to be applied to the optical shutters;
a high-voltage side wire connecting the power source device and each optical shutter;
a ground-side wire grounding each optical shutter; and
a high-voltage side shared wire and a ground-side shared wire electrically connecting the optical shutters in parallel with each other,
one of the high-voltage side wire and the ground-side wire being connected with an optical shutter disposed on a most upstream side in a traveling direction of the laser beam among the optical shutters, and
another of the high-voltage side wire and the ground-side wire being connected with an optical shutter disposed on a most downstream side in the traveling direction of the laser beam among the optical shutters.

US Pat. No. 10,481,421

MOUNTING RING FOR MAINTAINING OPTICAL DEVICE ALIGNMENT

1. An optical mount, comprising:a mount material shaped in a closed geometry with an outer surface having sized for matching internal dimensions of an outer housing, and an inner surface comprising a plurality of spaced apart inward extending contacting features with each providing contact points that collectively define an inner opening that is sized for securing an optical device including a crystal within, and a feature gap or a recessed portion between the inward extending contacting features;
edge holders adapted for receiving corners of the optical device comprising a protrusion pair or inner notches;
the outer surface including at least one outer notch between the inward extending contacting features;
wherein the edge holders and the outer notch are for each acting as hinge points opening or pinching depending on a direction of force for the optical mount responding with flexure when there is a dimensional change in the crystal, in the mount material, or in the housing.

US Pat. No. 10,481,419

PHYSICALLY CONTACTABLE GRAPHENE ELECTRO-OPTIC MODULATOR AND METHOD FOR MANUFACTURING THE SAME

KOREA INSTITUTE OF SCIENC...

1. A method for manufacturing a graphene electro-optic modulator that modulates a light according to an electric signal, the method comprising:forming two metal electrodes on an oxide film formed on a substrate, the two metal electrodes being spaced apart from each other;
synthesizing a first graphene film at a metal foil;
coating the first graphene film with a polymer membrane;
removing the metal foil at which the first graphene film is synthesized; and
transferring the first graphene film coated with the polymer membrane onto the oxide film,
wherein the first graphene film is electrically connected to any one of the two metal electrodes.

US Pat. No. 10,481,417

MAGNETIC ATTACHMENT MECHANISM FOR ELECTRONIC WEARABLE DEVICE

PogoTec, Inc., Roanoke, ...

1. An electronic wearable device comprising:a device body including at least one electronic component, the device body having an attachment side configured to movably attach the electronic wearable device directly to an eyewear temple by magnetic attraction between the electronic wearable device and the eyewear temple, wherein a first magnet or ferromagnetic material is located on or within the electronic wearable device and a second magnet or ferromagnetic material is located within or on the eyewear temple, and wherein the device body is positionable at a first position along a length of the eyewear temple and in a second position along the length of the eyewear temple while remaining attached to the eyewear temple; and
wherein the first magnet or ferromagnetic material does not contact a surface of the second magnet or ferromagnetic material.

US Pat. No. 10,481,415

VISION ASSISTIVE DEVICE CAPABLE OF ENHANCING LIGHT RECEIVING

1. A vision assistive device capable of enhancing light receiving, comprising:a first reflector disposed at a first position of a cornea of a human eye, the first position being located at a right edge of the cornea so that the cornea is on a front reflection side of the first reflector and external light from a back side behind the first reflector passing through the first reflector and the right edge is focused to the human eye, enhanced and amplified partially;
a second reflector disposed at a second position of the cornea of the human eye, the second position being located at a left edge of the cornea so that the cornea is on a front reflection side of the second reflector and external light from a back side behind the second reflector passing through the second reflector and the left edge is focused to the human eye, enhanced and amplified partially; and
a third reflector disposed directly in front of the cornea of the human eye;
wherein the first reflector and the second reflector are configured to reflect external light such that the reflected external light is focused at the third reflector; and
wherein the reflected external light is reflected again to the human eye by the third reflector, thereby enhancing a light intensity of the external light received by the human eye.

US Pat. No. 10,481,414

INTELLIGENT ASSISTED VISION GLASSES

INVENTEC APPLIANCES (PUDO...

1. A pair of intelligent assisted vision glasses, including an eyeglass body provided with a left frame, a right frame, a pair of nosepads, a left temple and a right temple, the pair of nosepads arranged between the left frame and the right frame and respectively pivotally connected to the left frame and the right frame, the left temple pivotally connected to the left frame, and the right frame pivotally connected to the right temple, which is characterized in:two accommodation rooms arranged respectively at upper inner sides and lower inner sides of the left frame and two accommodation rooms arranged respectively at upper inner sides and lower inner sides of the right frame;
transparent liquid within each of the accommodation rooms;
a set of left eye lenses engaged with the left frame and a set of right eye lenses engaged with the right frame, each of both the set of left eye lenses and the set of right eye lenses provided with a front lens and a rear lens, a void formed between the front lens and the rear lens and connected with each of the accommodation rooms;
a microelectromechanical component positioned on the eyeglass body;
a sensor positioned on the eyeglass body, electrically coupled to the microelectromechanical component, and configured to detect axial convex lengths and curvatures of corneas for user's eyeballs and generate a control signal; and
a pair of push units respectively arranged at upper ends of the left frame with one push unit in contact with a front lens and one push unit in contact with a rear lens, and a pair of push units respectively arranged at upper ends of the right frame with one push unit in contact with a front lens and one push unit in contact with a rear lens, and each pair of push units is electrically coupled to the microelectromechanical component, wherein the microelectromechanical component in response to the detections from the sensor, controls the push units with the control signal to push the front lens and the rear lens of the set of left eye lenses and/or the set of right eye lenses to move towards/backwards to approach/separate from each other, whereby curvature of the set of left eye lenses and/or the set of right eye lenses is changed by the controlled push units, and flowing amount of the transparent liquid in the void within the set of left eye lenses and/or the set of right eye lenses varies corresponding to the changed curvature.

US Pat. No. 10,481,406

MULTI-VIEW DISPLAY DEVICE

Koninklijke Philips N.V.,...

1. A method of controlling a switchable display device, the method comprising:providing a display panel, and a non-switchable optically transparent layer; and
providing a birefringent electro-optic material disposed between the display and the non-switchable optically transparent layer,
wherein the non-switchable layer comprises a flat side and a lens side,
wherein the flat side is farther from the display panel than the lens side,
wherein the lens side comprises a plurality of lenticular lens elements,
wherein each lens element is convex,
wherein the non-switchable optically transparent layer is disposed over the display panel,
wherein the non-switchable optically transparent layer has a refractive index substantially equal to the extra ordinary refractive index of the birefringent electro-optic material,
wherein a polarization direction of light from the display output side of the display panel and incident on the non-switchable optically transparent layer is linear,
in the single view mode, placing the birefringent electro-optic material in a first state in which an optical axis of the birefringent electro-optic material is aligned with the polarization direction of the light from the display panel at a surface where the light enters the birefringent electro optic material; and
in the multi-view mode, placing the birefringent electro-optic material in a second state in which the optical axis of the birefringent electro-optic material is aligned perpendicularly to a surface of the display panel.

US Pat. No. 10,481,405

THREE DIMENSION DISPLAY DEVICE AND CONTROLLING METHOD THEREOF

BOE TECHNOLOGY GROUP CO.,...

1. A three dimension (3D) display device, comprising a display panel for displaying an image and a gratin g structure cooperating with the display panel to provide a 3D display effect, wherein the grating structure comprises a plurality of gratings capable of being switched between a transparent state and a nontransparent state, andthe 3D display device further comprises:
an eye tracking unit configured to acquire positions of eyes of a viewer; and
a control unit connected to the eye tracking unit and configured to control the gratings to be switched between the transparent state and the nontransparent state in accordance with the positions of the eyes of the viewer, to enable a left eye of the viewer to view a first view displayed on the display panel through the grating structure and enable a right eye of the viewer to view a second view displayed on the display panel through the grating structure,
wherein the grating structure consists of a backlight arranged at a rear side of the display panel, the backlight comprises a plurality of light-emitting units arranged separately, and each of the light-emitting units forms the grating in the transparent state when emitting light and forms the grating in the nontransparent state when not emitting light, and
wherein the control unit further comprises a third controller configured to adjust a size of the light-emitting unit in accordance with a distance between the backlight and the display panel and a distance between a viewer's eyes and the display panel.

US Pat. No. 10,481,404

RECTANGULAR CAVITY OPTICAL BEAM SHAPER AND METHOD OF MANUFACTURING THE SAME

Palo Alto Research Center...

1. A light beam shaper, comprising,a wafer of crystalline semiconductor comprising a plurality of elongated channels separated by a plurality of elongated walls, the wafer being diced along a plurality of parallel lines that are at a non-zero angle to a longitudinal axis of the elongated channels such that the diced elongated walls form a plurality of wafer sidewalls;
top and bottom caps wafer-bonded onto opposing surfaces of the wafer to form a rectangular cavity bounded by two of the wafer sidewalls; and
a reflective coating on inner surfaces of the cavity, wherein a geometry of the cavity changes a light beam entering the cavity into a rectangular beam profile.

US Pat. No. 10,481,403

CONTACT LENS WITH RETINAL CAMERA

Tectus Corporation, Sara...

1. A system comprising:an eye-mounted device comprising:
a scleral contact lens that sits on a sclera of a wearer's eye; and
a retinal camera contained in the scleral contact lens, the retinal camera imaging light reflected from a retina of a wearer of the scleral contact lens, the reflected light imaged by the retinal camera comprising a reflection of an external scene imaged by the eye onto the retina; and
a processing system that determines a gaze direction of the eye relative to the external scene based on the reflected light imaged by the retinal camera.

US Pat. No. 10,481,402

FIELD OF VIEW ENHANCEMENT VIA DYNAMIC DISPLAY PORTIONS FOR A MODIFIED VIDEO STREAM

University of Miami, Mia...

1. A system for facilitating enhancement of a field of view of a user via one or more dynamic display portions, the system comprising:a computer system that comprises one or more processors executing computer program instructions that, when executed, cause the computer system to:
provide information related to one or more eyes of a user to a prediction model, the prediction model being configured based on the information related to the one or more eyes;
monitor one or more changes related to the one or more eyes;
provide the one or more monitored changes related to the one or more eyes to the prediction model to obtain a set of modification parameters;
cause, based on one or more modification parameters of the set of modification parameters, an adjustment of one or more positions, shapes, or sizes of one or more transparent display portions of a wearable device, the one or more transparent display portions enabling the user to see through the wearable device; and
cause a modified video stream derived from a live video stream to be displayed on one or more other display portions of the wearable device, the live video stream representing an environment of the user.

US Pat. No. 10,481,400

LENS SHIELDING MECHANISM, METHOD, AND HEAD-MOUNTED DISPLAY

Qingdao Goertek Technolog...

1. A lens shielding mechanism for shielding an area exposed from a front housing due to leftward and rightward movements of a lens, wherein the shielding mechanism comprises a group of shielding sheets having a certain width;the group of shielding sheets is arranged on left and right sides of the lens and is fixedly connected to the lens;
when the lens moves leftwardly and rightwardly, the lens drives the group of shielding sheets to move, and an area exposed from the front housing due to the leftward and rightward movements of the lens is shielded by the group of shielding sheets;
wherein the group of shielding sheets comprises a first shielding sheet and a second shielding sheet connected together;
wherein the first shielding sheet is arranged on the left and right sides of the lens and is fixedly connected to the lens;
wherein the second shielding sheet is arranged on the left and right sides of the first shielding sheet, and the second shielding sheet is connected to the front housing and is moveable leftwardly and rightwardly with respect to the front housing;
wherein the upper portion and the lower portion of the lens are provided respectively with two protruding columns passing through the first shielding sheet, to achieve fixed connection of the first shielding sheet and the lens;
wherein the upper portion and the lower portion of the second shielding sheet are provided respectively with two limiting holes matching with the protruding columns, and the protruding column clips in the limiting hole and is slidable leftwardly and rightwardly in the limiting hole;
wherein a clip hook is provided on the front housing, a slot matching with the clip hook is provided at a middle position between the upper portion and the lower portion of the second shielding sheet, and the second shielding sheet is connected to the front housing via matching of the slot and the clip hook;
wherein when the lens moves leftwardly and rightwardly to a distance smaller than the length of the limiting hole, the protruding column on the lens slides in the limiting hole, the second shielding sheet does not move, and the area exposed from the front housing due to the leftward and rightward movements of the lens is shielded by the first shielding sheet; and
wherein when the lens moves leftwardly and rightwardly and drives the protruding column to move to the extreme position of the limiting hole, the protruding column drives the second shielding sheet to continue moving leftwardly and rightwardly with respect to the clip hook on the front housing within a length range of the slot, and the area exposed from the front housing due to the leftward and rightward movements of the lens is shielded by alternately expanding the first shielding sheet and the second shielding sheet.

US Pat. No. 10,481,398

VIRTUAL IMAGE DISPLAY APPARATUS

SEIKO EPSON CORPORATION, ...

1. A virtual image display apparatus comprising:an image generator that outputs image light, including:
a first emitter emits a first light with a wavelength of 430 nm to 490 nm;
a second emitter that emits a second light with a wavelength of 491 nm to 580 nm, a luminance of the second light being higher than a luminance of the first light; and
a third emitter that emits a third light with a wavelength of 581 nm to 700 nm, a luminance of the third light being higher than the luminance of the first light; and
a reflection film having light transmissivity and having wavelength dependence such that:
a reflectance of the first light is higher than a reflectance of the second light; and
the reflectance of the first light is higher than a reflectance of the third light.

US Pat. No. 10,481,397

SPECTACLE LENS AND DISPLAY DEVICE WITH SUCH A SPECTACLE LENS

tooz technologies GmbH, ...

1. A spectacle lens for an image-generating display device that can be fitted on the head of a user and generate an image, comprising:a single lens element defining a curved front side and a curved rear side, and, when the single lens element is viewed from above, a coupling-in section in an edge area of the single lens element and a coupling-out section spaced apart therefrom,
wherein a thickness dimension is defined as spanning between the curved front side and curved rear side,
wherein the curved rear side has a curvature profile such that it corrects a vision defect of the user when looking through the single lens element,
wherein the single lens element is configured to couple the generated image into the single lens element via the coupling-in section of the single lens element, and to guide the generated image in the single lens element by reflections at the front side and the rear side of the single lens element as far as the coupling-out section and to couple the generated image out of the single lens element via the coupling-out section to an exit pupil in which the user's eye is to be positioned for perceiving the coupled-out image,
wherein the coupling-out section is located within a center area of the lens defined within an angle of 40 degrees of a center point of the single lens element as measured from the exit pupil,
wherein, in order to reduce vignetting occurring when the generated image is guided via the coupling-in section through the single lens element as far as the coupling-out section, the thickness dimension in the edge area is larger in comparison to the thickness dimension elsewhere in the spectacle lens, and
wherein the single lens element has a refractive power not equal to zero.

US Pat. No. 10,481,395

SINGLE LCD FOR CLUSTER AND HUD

Pananasonic Automotive Sy...

1. A combined head up display and instrument cluster arrangement for a motor vehicle, the arrangement comprising:a substantially planar liquid crystal display including a first side and a second side opposite the first side, a first area of the liquid crystal display being viewable as an instrument cluster display by a human viewer who is disposed closer to the first side than to the second side;
a backlight disposed closer to the first side than to the second side, the backlight being aligned with a second area of the liquid crystal display such that a light field is emitted by the backlight through the second area; and
head up display optics positioned to receive the light field.

US Pat. No. 10,481,394

HEAD UP DISPLAY APPARATUS

FUJIFILM Corporation, To...

1. A head up display apparatus, comprising:an image reflection surface that faces an observer and reflects display light toward the observer;
a first image display element that outputs display light onto the image reflection surface;
a second image display element that outputs display light onto the image reflection surface;
images displayed by the first image display and the second display element being magnified and displayed beyond the image reflection surface as virtual images;
the head up display apparatus further comprising:
a greater distance optical system that displays a virtual image of the image displayed by the first image display element at a greater distance from the image reflection surface;
a closer distance optical system having a power different from that of the greater distance optical system that displays a virtual image of the image displayed by the second image display element at a closer distance from the image reflection surface; and
an optical filter having spectral properties that reflects light of a first wavelength band and transmits light of a second wavelength band that does not include the first wavelength band,
the greater distance optical system and the closer distance optical system being arranged to have the optical filter interposed therebetween,
the spectral properties being those in which wavelength bands for each of R (red), G (green), and B (blue) are divided into a plurality of sub wavelength bands,
a wavelength band constituted by a combination of portions of each of the R, G and B sub wavelength bands is designated as a first RGB band,
a wavelength band constituted by a combination of portions of sub wavelength bands different from the first RGB band is designated as a second RGB band, and
one of the first RGB band and the second RGB band is reflected and the other is transmitted by the optical filter.

US Pat. No. 10,481,393

SEE-THROUGH COMPUTER DISPLAY SYSTEMS

MENTOR ACQUISITION ONE, L...

1. A see-through head mounted display with controllable light blocking comprising:an optics module comprising a light source, an image source, and an angled partially-reflective surface, wherein the light source and the image source are positioned on a same side of the angled partially-reflective surface, wherein the light source projects light off of the angled partially-reflective surface to the image source, the image source reflects the projected light as image light to the angled partially-reflective surface, and the angled partially-reflective surface transmits the image light along a first axis;
a flat combiner having a first side and a second side positioned to reflect the image light off of the first side and simultaneously transmit incident light from an environment through the first and second side, along an optical axis generally perpendicular to the first axis that proceeds to a user's eye to provide a view of a displayed image overlaid onto a see-through view of the environment; and
a controllable light blocking element arranged generally parallel to the flat combiner and in front of the second side so as to block incident light from an environment incident on the same optical axis as the image light.

US Pat. No. 10,481,391

MOVABLE REFLECTIVE ELEMENT AND TWO-DIMENSIONAL SCANNING DEVICE

DAI-ICHI SEIKO CO., LTD.,...

1. A movable reflective element, comprising:a plate-like fixed frame;
a plate-like movable frame disposed within the fixed frame to define a gap between the movable frame and the fixed frame;
a plate-like mirror including a reflective surface and disposed within the movable frame to define a gap between the mirror and the movable frame;
first actuators that are a pair of linear flexible members, each first actuator connecting the fixed frame to the movable frame and including piezoelectric elements formed in an extension extending in a first direction from an inner side of the fixed frame, the piezoelectric elements stretching and contracting in the first direction, the first actuators being disposed one on either side of the movable frame in a second direction that intersects the first direction, wherein deformation of the first actuators caused by stretching and contracting of the piezoelectric elements oscillates the movable frame about a first rotation axis in relation to the fixed frame; and
second actuators that are a pair of linear flexible members, each second actuator connecting the movable frame to the mirror and including piezoelectric elements formed in an extension extending in the second direction from an inner side of the movable frame, the piezoelectric elements stretching and contracting in the second direction, the second actuators are disposed one on either side of the mirror in the first direction, wherein deformation of the second actuators caused by stretching and contracting of the piezoelectric elements oscillates the mirror about a second rotation axis in relation to the movable frame, the second rotation axis intersecting the first rotation axis,
wherein the extension of each first actuator in the first direction has a length that is longer than a distance between the inner side of the fixed frame to which the first actuator is connected and a middle point of an outer side of the movable frame in the first direction.

US Pat. No. 10,481,390

OPTICAL SCANNING DEVICE AND MANUFACTURING METHOD OF OPTICAL SCANNING DEVICE

MITSUMI ELECTRIC CO., LTD...

1. An optical scanning device comprising:a mirror that has an optical reflection surface;
a movable frame that supports the mirror;
a pair of drive beams that support the movable frame from both sides;
drive sources, disposed on the drive beams, that cause the movable frame to be swung around a predetermined axis; and
a fixed frame that supports the drive beams,wherein each of the drive sources includesa lower electrode formed on the drive beams,
a piezoelectric thin film formed on the lower electrode,
an upper electrode formed on the piezoelectric thin film, and
a stress counter film, formed on the upper electrode or formed between the piezoelectric thin film and the upper electrode, that generates a compressive stress on the drive beams, wherein
the drive beams are, in a state in which the mirror is stationary, supported in a state in which the drive beams are bent with respect to the fixed frame, wherein
ribs are formed on lower surfaces of the drive beams, and wherein the stress counter film generates the compressive stress and causes the drive beams to be bent in a direction of the lower surface on which the ribs are disposed.

US Pat. No. 10,481,389

CURVED-SURFACE APPARATUS FOR WAVELENGTH CONVERTING

IVIEW DISPLAYS (SHENZHEN)...

1. A curved-surface apparatus for wavelength converting, comprisinga light source excitation unit comprising a plurality of light source exciters for emitting identical or different excited light, respectively;
a wavelength conversion unit provided with an annular structure;
a plurality of component sets circularly disposed on a curved surface of the annular structure and divided into a plurality of component regions provided with predetermined color wavelength conversion substances;
a beam splitter set configured to reflect the excited light emitted by the light source excitation unit and transmit a predetermined light;
a condenser lens set disposed near the wavelength conversion unit;
wherein the excited light emitted by the light source exciter is reflected by the beam splitter set, passes through the condenser lens set, and penetrates the component region to generate the predetermined light having a corresponding color and the predetermined light passes through the condenser lens set and projects through the beam splitter set.

US Pat. No. 10,481,388

ELECTROWETTING DISPLAY DEVICE WITH REFLECTIVE PIXEL SPACER

AMAZON TECHNOLOGIES, INC....

1. An electrowetting display device, comprising:a first support plate and a second support plate opposite the first support plate;
a plurality of pixel walls over the first support plate, the plurality of pixel walls being associated with an electrowetting pixel and defining a volume containing at least a portion of an oil and an electrolyte fluid, wherein the electrolyte fluid has a first refractive index;
a pixel spacer between a first pixel wall in the plurality of pixel walls and the second support plate, wherein a second refractive index of the pixel spacer is less than the first refractive index; and
a pixel electrode over the first support plate for applying a voltage within the electrowetting pixel to cause relative displacement of the oil and the electrolyte fluid.

US Pat. No. 10,481,387

OBSERVATION OPTICAL SYSTEM

Konica Minolta, Inc., To...

1. An observation optical system of a real-image type, comprising, in order from an object side:an objective system;
a reverse-erecting system that erects an inverted image formed by the objective system; and
an eyepiece system that allows a pupil to observe an erect image formed by the reverse-erecting system,
wherein the objective system has exactly two lenses, a first lens having a negative refractive power and a second lens having a positive refractive power, disposed in that order from the object side,
wherein the eyepiece system comprises, in order from the object side, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a positive refractive power, and
wherein each of the third and fourth lenses adjacent to each other in the eyepiece system has a concave surface at the object side.

US Pat. No. 10,481,385

ENDOSCOPIC IMMERSION PROBE END OPTICS FOR LASER SPECTROSCOPY

Kaiser Optical Systems In...

1. A spectroscopic probe, comprising:a probe head including an input fiber directed to a collimating lens having an aperture, the input fiber configured to convey an excitation beam and the collimating lens embodied to collimate and focus a single counter-propagating excitation-collection beam, the probe head further including an output fiber configured to convey a collection beam to a spectrograph; and
an end optic comprising:
an optical support structure having a proximal end and a distal end defining a length, wherein the proximal end of the optical support structure interfaces to the probe head such that the optical support structure carries the excitation-collection beam to and from a sample;
an optical interface disposed at the distal end of the optical support structure, the optical interface including a focusing objective having an aperture for focusing the excitation-collection beam at one and only one focus point in the sample immediately adjacent to the optical interface; and
one or more intermediate lenses supported between the collimating lens and the optical interface by the optical support structure, wherein the one or more intermediate lenses having a focal length selected to generate an image of the collimating lens aperture at the focusing objective, to match an exposure of the focusing objective aperture with the excitation-collection beam and reduce vignetting, and to maximize coupling of optical energy in both directions between the input and output fibers to and from the focus point in the sample.

US Pat. No. 10,481,383

ENDOSCOPIC OPTICAL SYSTEM

1. An endoscopic optical system comprising:a fiber image conductor arranged in an elongated shaft tube, the fiber image conductor having a proximal face;
an objective arranged distally relative to the fiber image conductor;
an observation device arranged proximally relative to the proximal face of the fiber image conductor;
a mask formed of metal; and
a transparent cover pane arranged between the proximal face of the fiber image conductor and the observation device;
wherein the transparent cover pane is configured as a moire filter; and
the mask is a metal vapor deposition layer on a distal face of the moire filter and attached to the image conductor via an adhesive.

US Pat. No. 10,481,382

IMAGE-INVERTING SYSTEM FOR A SIGHTING TELESCOPE

Swarovski-Optik KG., (AT...

1. An image-inverting system for a sighting telescope, where the image-inverting system has at least two lenses which are each held in a bearing with a tappet and are mutually displaceable parallel to an optical axis of the image-inverting system, where the displacement of the at least two lenses modifies a reproduction scale at which an image projected onto a first image plane of the image-inverting system is shown on a second image plane of the image-inverting system, and a guide rod with at least two curved guide channels, where the tappets each engage in one of the at least two curved guide channels, and at least a reinforcing ring which is arranged touching or affixed to the circumference of the guide rod for increasing the mechanical stability of the guide rod.

US Pat. No. 10,481,381

LINE-OF-SIGHT DIRECTION CONTROL DEVICE

The University of Tokyo, ...

1. A line of sight direction control device for controlling line of sight direction to be directed from an optical device toward a physical object, comprising:a tilt direction control section and a pan direction control section,
the tilt direction control section comprising a first tilt mirror and a second tilt mirror, wherein:
the first tilt mirror is rotatable by a drive mechanism in forward and reverse directions about a first rotational axis,
the second tilt mirror is rotatable by a drive mechanism in forward and reverse directions about a second rotational axis, and
the second rotational axis extends in a direction that is perpendicular to the first rotational axis,
the pan direction control section comprising a pan mirror having a rotational axis member disposed on a backside of the pan mirror, wherein:
the pan mirror is rotatable by a drive mechanism coupled to the rotational axis member, in forward and reverse directions about a third rotational axis, and
the rotational axis member extends from the backside of the pan mirror along the third rotational axis in a direction that is parallel to a line of sight direction running from the second tilt mirror of the tilt direction control section toward the pan mirror, and
wherein:
the pan mirror is installed in a direction that is inclined with respect to the rotational axis member,
the tilt direction control section scans a line of sight direction with respect to a virtual surface formed by a rotational locus of a front side of the pan mirror, by rotating the first tilt mirror and the second tilt mirror,
the tilt direction control section controls a tilt angle of the line of sight direction from the front side of the pan mirror to a physical object by rotating the first tilt mirror and the second tilt mirror,
the pan direction control section controls a pan angle of the line of sight direction from the front side of the pan mirror to the physical object, by rotating the pan mirror about the rotational axis member, and
the line of sight direction control device further comprises a pupil shift optical system, and the pupil shift optical system transfers a pupil position of line of sight to the vicinity of any one of the first tilt mirror, the second tilt mirror, and the pan mirror.

US Pat. No. 10,481,380

EZ VIEW IMAGE REFLECTING ASSEMBLY

1. An adjustable Image Reflecting Assembly, acting as a periscope, using a parallel relation of mirrors to relay a virtual illuminated image from a light source (LED) light produced by a water line heating tape installed under a manufactured home to be viewed from a distance, comprising an upright housing having five sides including a bottom side, a front side, two sloping sides and a rear open side providing an image inlet supporting a mounting bracket for mounting the adjustable image reflecting assembly, a front one quarter the size of the back at a fifty five degree angle in relation to level ground supporting a weatherproof top cover and a ferrous control rod connected to a mirror with the reflective side facing downward situated directly above a hollow reflector tube, a bottom plate with a circular opening in the center supporting an upright square hollow reflector tube situated directly below the housing ferrous control rod protected by a weatherproof clear cover.

US Pat. No. 10,481,376

SURGICAL MICROSCOPE HAVING OPTICAL INTERFACES

Carl Zeiss Meditec AG, J...

1. In an optical instrument defining first and second stereoscopic component beam paths, an optical unit defining a beam path, an incoupling module for selectively coupling said beam path from said optical unit into said first stereoscopic component beam path or into said second stereoscopic component beam path, said optical unit and said incoupling module conjointly defining an optical interface through which said beam path passes from said optical unit to said incoupling module, said incoupling module comprising:a first beam splitter arranged in said first stereoscopic component beam path;
a second beam splitter arranged in said second stereoscopic component beam path;
an adjustable optics assembly configured to selectively direct the beam path to the first beam splitter or the second beam splitter;
the adjustable optics assembly including a first mirror element displaceable by linear movement from a first position to a second position and vice versa relative to the optical interface;
said first mirror element being disposed in the beam path in the first position thereof;
the adjustable optics assembly further including a second mirror element spatially fixed with respect to said optical interface and configured to direct said beam path to said first beam splitter for coupling said beam path into said first stereoscopic component beam;
said first mirror element, in said first position, being configured to direct the beam path to said second mirror element for coupling into said first beam splitter, and, in said second position, clearing said beam path to the second beam splitter for coupling said beam path directly into the second stereoscopic component beam without deflection of said incoupling beam path between said interface and said second beam splitter; and,
said beam path defining an optical axis which is an axis of symmetry passing through said second beam splitter when said first mirror element is in said second position.

US Pat. No. 10,481,375

SELECTIVE PLANE ILLUMINATION MICROSCOPY INSTRUMENTS

GE Healthcare Bio-Science...

1. An optical arrangement providing selective plane illumination, comprising an inverted illumination objective mounted below a sample support and arranged to provide a line or plane of light propagating at the sample support, and at least one image collection objective mounted above the sample support, the inverted illumination objective having an illumination objective optical axis, and the image collection objective having an image collection objective optical axis, wherein the illumination light is arranged to propagate the illumination objective laterally offset to the illumination objective optical axis such that the illumination light leaving the illumination objective propagates toward the sample support at an oblique angle relative to the illumination objective optical axis, and wherein the image collection objective optical axis has an angle ?? which is obtuse to the illumination objective optical axis and generally perpendicular to light propagating at the sample support,wherein the at least one image collection objective comprises first and second image collection objectives each mounted on opposing sides of the illumination objective optical axis and wherein, the illumination light is arranged to propagate on alternate opposing sides of the illumination objective optical axis along respective first and second paths, to provide the light propagating at the sample support to the first or the second image collection objective alternately.

US Pat. No. 10,481,371

IMAGING LENS AND IMAGING APPARATUS

FUJIFILM Corporation, To...

1. An imaging lens comprising, in order from an object side:a first lens group fixed to an image plane during focusing;
a stop;
a second lens group having a positive refractive power which moves along an optical axis during focusing; and
a third lens group fixed to the image plane during focusing,
wherein the first lens group includes at least two negative lenses among three lenses from a lens closest to the object side to a third lens, a negative lens of the at least two negative lenses closest to the object side being a negative meniscus lens with its convex surface toward the object side,
the second lens group includes at least three lenses, and
the third lens group includes at least three lenses,
wherein in a case where a focal length of the whole system is set to f, and a focal length of the second lens group is set to f2, the following Conditional Expression (1) is satisfied,
0.1

US Pat. No. 10,481,370

OPTICAL SYSTEM, OPTICAL APPARATUS, AND METHOD FOR MANUFACTURING THE OPTICAL SYSTEM

Nikon Corporation, Tokyo...

1. A fixed focal length optical system, comprising a continuous series of six lenses consisting of, in order from an object, consecutively:a first lens having negative refractive power;
a second lens having positive refractive power;
a third lens having positive refractive power;
a fourth lens having negative refractive power;
a fifth lens having negative refractive power; and
a sixth lens having positive refractive power, and
the following conditional expression being satisfied:
0.88 where L4R2 denotes a radius of curvature of an image side surface of the fourth lens, and f denotes a focal length of the total lens system, and
wherein
the following conditional expression is satisfied:
?1.000<(L5R1+L4R2)/(L5R1?L4R2) where L5R1 denotes a radius of curvature of an object side surface of the fifth lens,
wherein the first lens is a negative meniscus lens closest to the object and has a concave surface facing the image, and wherein the continuous series of six lenses is devoid of lens elements between successive lenses of the series.

US Pat. No. 10,481,369

LENS MODULE

Samsung Electro-Mechanics...

1. A lens module, comprising:a first lens;
a second lens;
a third lens comprising a convex object-side surface and a convex image-side surface;
a fourth lens comprising a concave object-side surface and a concave image-side surface;
a fifth lens comprising a concave object-side surface; and
a sixth lens comprising an inflection point formed on an image-side surface thereof,
wherein the first to sixth lenses are sequentially disposed from an object side to an image side, and
wherein d4/d3<0.7 is satisfied,
where d3 is a thickness of the second lens, and d4 is a distance from an image-side surface of the second lens to an object-side surface of the third lens.

US Pat. No. 10,481,368

OPTICAL LENS ASSEMBLY, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An optical lens assembly comprising seven lens elements, the seven lens elements being, in order from an object side to an image side:a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
a second lens element with negative refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
a third lens element;
a fourth lens element having an object-side surface being convex in a paraxial region thereof;
a fifth lens element;
a sixth lens element; and
a seventh lens element having an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the seventh lens element are aspheric, and the image-side surface of the seventh lens element comprises at least one convex shape in an off-axis region thereof;
wherein the optical lens assembly has a total of seven lens elements, an absolute value of a focal length of the first lens element is smaller than an absolute value of a focal length of the fifth lens element and an absolute value of a focal length of the sixth lens element, an axial distance between the fourth lens element and the fifth lens element is greater than an axial distance between the second lens element and the third lens element, a focal length of the optical lens assembly is f, a composite focal length of the third lens element, the fourth lens element and the fifth lens element is f345, and the following condition is satisfied:
0

US Pat. No. 10,481,367

CAMERA OPTICAL LENS

AAC Technologies Pte. Ltd...

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; wherein the first lens has a negative refractive power, the second lens has a positive refractive power, the third lens has a negative refractive power, the fourth lens has a negative refractive power, the fifth lens has a positive refractive power, the sixth lens has a negative refractive power, the seventh lens has a negative refractive power, the camera optical lens further satisfies the following conditions:??f1/f??3.1;
0.55?f2/f?1.74;
1.7?n1?2.2;
1?f6/f7?10;
2.1?(R1+R2)/(R1?R2)?10;
1.7?n3?2.2; where
f: a focal length of the camera optical lens;
f1: a focal length of the first lens;
f2: a focal length of the second lens;
f6: a focal length of the sixth lens;
f7: a focal length of the seventh lens;
n1: a refractive index of the first lens;
n3: a refractive index of the third lens;
R1: a curvature radius of object side surface of the first lens;
R2: a curvature radius of image side surface of the first lens.

US Pat. No. 10,481,365

OPTICAL SYSTEM

Samsung Electro-Mechanics...

1. An optical system, comprising:a first lens comprising a positive refractive power;
a second lens comprising a positive refractive power and a convex image-side surface in a paraxial region;
a third lens;
a fourth lens;
a fifth lens comprising a concave object-side surface in a paraxial region and a concave image-side surface in the paraxial region; and
a sixth lens comprising an inflection point formed on an image-side surface thereof,
wherein the first to sixth lenses are sequentially disposed from an object toward an imaging plane,
f, an overall focal length of the optical system, and f1, a focal length of the first lens, satisfy 1.0 f, and f5 a focal length of the fifth lens, satisfy f5/f f2, a focal length of the second lens, and, f3, a focal length of the third lens satisfy ?1.2 f, and r10, a radius of curvature of an image-side surface of the fifth lens, satisfy 30

US Pat. No. 10,481,364

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens group;
a second lens group; and
a third lens group, arranged in this order from an object side to an image plane side,
wherein said first lens group includes a first lens, a second lens, and a third lens,
said second lens group includes a fourth lens having positive refractive power and a fifth lens,
said third lens group includes a sixth lens having negative refractive power and a seventh lens having negative refractive power,
said first lens is formed in a shape so that a surface thereof on the image plane side has a positive curvature radius, and
said sixth lens has a focal length f6, said seventh lens has a focal length f7, and said seventh lens has an Abbe's number ?d7 so that the following conditional expressions are satisfied:
0.02 40

US Pat. No. 10,481,363

PROJECTOR AND FOCUS ADJUSTMENT METHOD

NEC DISPLAY SOLUTIONS, LT...

1. A projector comprising:a display element that is provided with an image-forming surface comprising a plurality of pixels;
a projection lens that is capable of focus adjustment and that projects an image that is formed on said image-forming surface upon a projection surface;
a distortion correction processing unit that, based on distortion correction data for correcting distortion of an image that is projected on said projection surface, enlarges and/or reduces an image that is indicated by a video signal that is received as input to generate a corrected image and causes formation of the corrected image on said image-forming surface; and
a control unit that, based on said distortion correction data, carries out focus adjustment of said projection lens such that a focus range on said projection surface increases, wherein:
said distortion correction data include, for each of said plurality of pixels, a correction coefficient value that corresponds to a projection distance to said projection surface; and
said control unit carries out focus adjustment of said projection lens in which, from among pixel regions in which pixel having a same correction coefficient value are arranged, the pixel region having a greatest number of pixels is taken as an optimal focus point.

US Pat. No. 10,481,360

TELECOMMUNICATIONS CABLING SYSTEM

CommScope Technologies LL...

1. A system for inserting a telecommunications cable into a jacket, the system comprising:a non-rotating cable dispenser including a length of telecommunications cable and a cable outlet through which the telecommunications cable is dispensed;
a length of jacket including an interior passage and a slit running along the length of the jacket; and
a jacket insertion device including:
a jacket guide defining a jacket feeder channel, the jacket feeder channel extending from a first end to a second end and configured to receive a leading end of the length of jacket at the first end; and
a cable guide configured to guide the length of telecommunications cable to pass at least a portion of the jacket feeder channel and extend out from the second end of the jacket feeder channel, the cable guide aligning the length of telecommunications cable with the slit of the length of jacket passing through the jacket feeder channel,
wherein at least a portion of the length of telecommunications cable is inserted into the interior passage of at least a portion of the length of jacket through at least a portion of the slit as the length of jacket and the length of telecommunications cable moves past the jacket insertion device in the travel direction;
wherein the jacket guide includes a jacket alignment device configured to be inserted into the interior passage of the jacket as the jacket passes through the jacket feeder channel in the travel direction.

US Pat. No. 10,481,358

TERMINATION UNIT

SUMITOMO ELECTRIC INDUSTR...

1. A termination unit to be located on a rack part of an optical fiber rack, the termination unit comprising:a housing;
a plurality of first optical fibers located in the housing and fusion spliced to a multi fiber cable introduced from an outside of the optical fiber rack;
a plurality of external connection adapters located in a line in a first direction, the plurality of first optical fibers being respectively connected to the plurality of external connection adapters on an inside of the housing;
a guide part located on one side surface of the housing and extending in a second direction crossing the first direction, the one side surface extending to cross the first direction; and
a fixing member attached to the one side surface of the housing, the multi fiber cable being fixed to the fixing member,
wherein the fixing member is movably attached along the guide part.

US Pat. No. 10,481,357

FIBER OPTIC DISTRIBUTION SYSTEM

CommScope Technologies LL...

1. A fiber optic telecommunications system comprising:a telecommunications frame; and
a fiber optic module slidably mounted on the telecommunications frame via a three-piece slide assembly that includes a rack mount portion, a center portion, and a main housing portion, wherein the rack mount portion is stationarily coupled to the telecommunications frame, the center portion is slidably coupled to the rack mount portion along a sliding direction, and the main housing portion is slidably coupled to the center portion along the sliding direction, wherein slidable movement of the center portion with respect to the rack mount portion moves the main housing portion with respect to the telecommunications frame along the sliding direction, the fiber optic module defining connection locations, the connection locations including electrical contacts for relaying, via printed circuit boards, connectivity information regarding fiber optic connectors to be connected at the connection locations to a frame controller mounted on the telecommunications frame, wherein one of the printed circuit boards for relaying connectivity information from the connection locations of the module to the frame controller includes a flexible printed circuit board in the form of a ribbon cable that can flex as the fiber optic module is slidably moved within the telecommunications frame.

US Pat. No. 10,481,356

SUBMARINE COMMUNICATIONS CABLE, AND METHOD AND DEVICE FOR THE PRODUCTION THEREOF

Norddeutsche Seekabelwerk...

1. A submarine communications cable comprising:optical conductors (10) surrounded by an electrically conductive tube (11);
an armoring which surrounds the tube (11) externally and which is surrounded by a jacket layer; and
an external insulation,
wherein the jacket layer is formed by at least one wrapped layer (14);
wherein the wrapped layer (14) is formed by at least one thin elastic strip-like band (15, 17); and
wherein the at least one thin elastic strip-like band (15, 17) is formed by at least one partially conductive material, by a partially conductive plastic material, or by a plastic material which is more conductive than one for the purpose of electric insulation.

US Pat. No. 10,481,355

OPTICAL ASSEMBLY

Sicoya GmbH, Berlin (DE)...

1. Optical assembly comprisingan optical emitter configured to generate a beam of optical radiation,
a cap unit holding the optical emitter,
a photonic chip comprising a coupler, and
an intermediate chip arranged between the cap unit and the photonic chip,
wherein the cap unit comprises a recess having a bottom section and a sidewall,
wherein the optical emitter is mounted on the bottom section of the recess,
wherein a section of the sidewall forms a mirror section angled with respect to the bottom section and configured to reflect said beam of optical radiation towards the coupler, and
wherein the intermediate chip comprises a lens formed at a lens section of the intermediate chip's surface that faces the cap unit, said lens being configured to focus the reflected optical beam towards the coupler.

US Pat. No. 10,481,354

STRUCTURE OF CONNECTION BETWEEN OPTICAL UNIT AND OPTICAL PATH TUBE

Gigaphoton Inc., Tochigi...

1. A structure of connection between an optical unit and an optical path tube, the optical path tube being detachable from the optical unit, the structure comprising:an extensible tube constituting at least a part of the optical path tube, the extensible tube being extensible in a tube axis direction;
a flange attached to one end of the optical path tube;
a flange receiving part provided on the optical unit, the flange receiving part receiving a front surface of the flange, the front surface of the flange being an end surface on an open side; and
a biasing part configured to bias at least a part of the optical path tube in a direction in which the extensible tube extends, wherein
the optical unit includes a flange accommodating part that accommodates at least a part of the flange, and
the flange accommodating part has a shape that allows the flange to go into the flange accommodating part from an upper side in a vertical direction or an oblique direction crossing the vertical direction.

US Pat. No. 10,481,353

OPTICAL RECEPTACLE, OPTICAL MODULE, AND METHOD FOR PRODUCING OPTICAL MODULE

ENPLAS CORPORATION, Sait...

1. An optical receptacle configured to be disposed between a photoelectric conversion device and an optical transmission member, the photoelectric conversion device including: a substrate, a photoelectric conversion element disposed on the substrate, and a detection element disposed on the substrate and configured to monitor light emitted from the photoelectric conversion element, the optical receptacle being configured to optically couple the photoelectric conversion element and an end surface of the optical transmission member, the optical receptacle comprising:a filter disposed on a light path between the photoelectric conversion element and the optical transmission member;
a holding member configured to hold the filter; and
a receptacle main body, disposed nearer to the optical transmission member than the filter on the light path, including:
a first optical surface configured to allow incidence of the light having passed through the filter, and
a second optical surface configured to emit, toward the end surface of the optical transmission member, the light having entered the receptacle main body from the first optical surface and having passed through inside of the receptacle main body,
wherein the filter is configured to be disposed between the photoelectric conversion device and the first optical surface of the receptacle main body,
wherein the holding member and the receptacle main body are independent from each other, and
wherein the filter reflects, toward a detection element side as monitor light, a part of the light emitted from the photoelectric conversion element, and allows, to pass through the filter toward the first optical surface of the receptacle main body as signal light, a remaining part of the light emitted from the photoelectric conversion element.

US Pat. No. 10,481,347

FIBER OPTIC CABLE ASSEMBLY WITH INTEGRAL STRAIN RELIEF

CommScope Technologies LL...

1. A fiber optic cable assembly comprising:a fiber optic connector including a rear housing and a front housing, the rear housing of the fiber optic connector including a connector end that protrudes from an end surface of the rear housing, and
a fiber optic cable having an end portion that is adapted to receive the connector end of the fiber optic connector, the fiber optic cable including:
an optical fiber;
an outer jacket surrounding the optical fiber, the outer jacket having a length of variable flexibility, the length of variable flexibility having a constant diameter and thickness, the length of variable flexibility being provided by a base material of the outer jacket having a hardness that gradually decreases along the length of variable flexibility of the outer jacket extending rearwardly from the connector end of the fiber optic connector, wherein the base material hardens in response to exposure to an energy source.

US Pat. No. 10,481,344

HIGH DENSITY OPTICAL FIBER FEEDTHROUGH

Lumentum Operations LLC, ...

1. A method, comprising:aligning a portion of each of a plurality of optical ribbons in a particular orientation and sequence using a set of alignment apparatuses of an alignment station,
wherein the set of alignment apparatuses includes a set of alignment pins, a set of alignment grooves, and a post-alignment apparatus,
maintaining, by the post-alignment apparatus, the particular orientation and sequence of the portion of each of the plurality of optical ribbons to prevent misalignment of the portion of each the plurality of optical ribbons as the plurality of optical ribbons is moved from the set of alignment apparatuses to one or more other sets of apparatuses;
stripping the portion of each of the plurality of optical ribbons to expose a cladding of each fiber of the plurality of optical ribbons,
maintaining, by a set of stripping apparatuses of a stripping station, the particular orientation and sequence of the portion of each of the plurality of optical ribbons while the portion of each of the plurality of optical ribbons is being stripped,
wherein the set of stripping apparatuses includes a stripper connector clamp, a set of stripping clamps, a post-stripping apparatus, and the post-alignment apparatus,
removing slack from the portion of each of the plurality of optical ribbons by the set of stripping clamps while the portion of each of the plurality of optical ribbons is being stripped and by the post-stripping apparatus after the portion of each of the plurality of optical ribbons has been stripped; and
hermetically sealing a tube around the portion of each of the plurality of optical ribbons,
maintaining, by a set of sealing apparatuses of a sealing station, the particular orientation and sequence of the portion of each of the plurality of optical ribbons while the tube is being hermetically sealed,
wherein the set of sealing apparatuses includes a sealing clamp and the post-stripping apparatus,
removing, by the sealing clamp and the post-stripping apparatus, the slack from the portion of each of the plurality of optical ribbons while the tube is being hermetically sealed.

US Pat. No. 10,481,341

FIBER OPTIC ADAPTER ASSEMBLY

COMMSCOPE CONNECTIVITY BE...

1. A fiber optic adapter assembly comprising:a housing defining an internal cavity being open through a first opening at a first exterior end and through a second opening at a first interior end opposite to the first exterior end, the housing including a first guide element;
an adapter module floatingly disposed in the internal cavity of the housing and configured to align ferrules of a first fiber optic connector and a second fiber optic connector inserted into the adapter module in opposite directions, the adapter module including:
a ferrule holder having a barrel portion extending along a longitudinal axis and configured to receive the ferrules of the first fiber optic connector and the second fiber optic connector from opposite directions and configured to align optical fibers of the first fiber optic connector and the second fiber optic connectors therein, and
an adapter body surrounding the ferrule holder and including a flange extending radially outwardly from the adapter body and a second guide element correspondingly engaging the first guide element of the housing, and the adapter body being longitudinally slidable through the second opening of the housing; and
a single biasing member disposed in the internal cavity of the housing surrounding the adapter body and engaging the flange, and concentrically aligned with the adapter module, the single biasing member surrounding the second guide element and being configured to bias the adapter module in a direction toward the first exterior end and be compressible in a direction toward the first interior end.

US Pat. No. 10,481,340

OPTICAL CONNECTOR FERRULE AND OPTICAL CONNECTION STRUCTURE

Sumitomo Electric Industr...

1. An optical connector ferrule comprising:a body including a flat ferrule end surface provided at one end of the body, and an optical fiber retaining hole opened in the ferrule end surface, the optical fiber retaining hole being configured to have an optical fiber inserted therein and retain the inserted optical fiber; and
a spacer joined to the body, at least a portion of the spacer being disposed on the ferrule end surface with a certain thickness, the spacer including an opening is provided on an extension of center axis of the optical fiber retaining hole,
wherein the spacer and the body are made of resin, and the spacer is welded to the body.

US Pat. No. 10,481,337

MECHANICAL JOINT FOR USE IN FIBER OPTIC IMAGING SYSTEMS

Magic Leap, Inc., Planta...

1. An apparatus, comprising:an optical fiber;
an actuator; and
a joint mechanically coupling the actuator to the optical fiber, the joint comprising:
a neck extending along an axis, the optical fiber being threaded through an aperture extending along the axis through the neck, wherein the optical fiber is attached to the joint at a surface of the neck facing the axis,
a collar extending along the axis, wherein the actuator is mechanically attached to the joint at an inner surface of the collar facing the axis, and
a flexural element extending radially from the neck to the collar, wherein the flexural element comprises one or more beams extending between the neck and the collar, and
wherein during operation, the joint couples a force from the actuator to the optical fiber to vary an orientation of a portion of the optical fiber extending from the neck with respect to the axis.

US Pat. No. 10,481,335

DENSE SHUTTERED FIBER OPTIC CONNECTORS AND ASSEMBLIES SUITABLE FOR ESTABLISHING OPTICAL CONNECTIONS FOR OPTICAL BACKPLANES IN EQUIPMENT RACKS

Corning Optical Communica...

1. A fiber optic connector assembly, comprising:a fiber optic connector;
a slideable shutter disposed adjacent an end face of the fiber optic connector, the slideable shutter having at least one opening configured to be optically aligned with a plurality of lenses disposed in the fiber optic connector in an open position, and configured to block access to the plurality of lenses in a closed position; and
an actuation member coupled to the slideable shutter, the actuation member configured to be moved an actuation distance to move the slideable shutter from the closed position to the open position.

US Pat. No. 10,481,334

FIBER TO CHIP OPTICAL COUPLER

TERAMOUNT LTD., Jerusale...

1. An optical connector for optical coupling a plurality of optical fibers to a photonic integrated circuit (PIC), comprising:a plurality of linear fiber trenches;
a plurality of tilted flat mirrors;
a plurality of optical focusing elements; and
a spacer between the optical fibers and PIC;
wherein each of the plurality of linear fiber trenches adjoins a corresponding tilted flat mirror of the plurality of tilted flat mirrors; and
wherein each of the plurality of tilted flat mirrors is placed in proximity to a corresponding optical focusing element of the plurality of optical focusing elements; and
wherein the plurality of linear fiber trenches, the plurality of tilted flat mirrors, and the plurality of optical focusing elements are fabricated on different substrates for achieving high signal efficiency and relaxed alignment tolerances.

US Pat. No. 10,481,331

REINFORCEMENT SLEEVE

FUJIKURA LTD., Tokyo (JP...

1. A reinforcement sleeve for reinforcing a fusion splice portion of a plurality of optical fibers for connecting the plurality of optical fibers to each other by fusion splice, the reinforcement sleeve comprising:a base member;
a cover member that sandwiches the fusion splice portion between the cover member and the base member;
a first adhesive layer disposed between and in direct contact with the base member and the plurality of optical fibers; and
a second adhesive layer disposed between and in direct contact with the cover member and the plurality of optical fibers, wherein
a width of the reinforcement sleeve is defined by a reinforcement sleeve standard,
a height of the reinforcement sleeve is 1/n of a height defined by the reinforcement sleeve standard, where n is an integer equal to or larger than 2,
the base member has sidewalls disposed on opposite ends of the base member in a width direction of the base member so as to extend along a height direction of the base member,
one of the cover member or the sidewalls comprises a protrusion projecting in the width direction, and
the other one of the cover member or the sidewalls comprises an engagement hole that engages with the protrusion.

US Pat. No. 10,481,330

SYSTEM AND METHOD PROVIDING PARTIAL VACUUM OPERATION OF ARC DISCHARGE FOR CONTROLLED HEATING

3SAE TECHNOLOGIES, INC., ...

1. An optical fiber processing system, comprising:at least two electrodes;
at least one fiber holder configured to hold a portion of at least one optical fiber between the at least two electrodes;
an arc discharging unit configured to drive the at least two electrodes to generate a heat zone in a gap between the at least two electrodes and to ionize the gas within the heat zone to reach saturation for a chosen gas pressure;
an enclosure enclosing the gap; and
a vacuum generating venturi configured to control a gas pressure within the enclosure to control a temperature of the heat zone.

US Pat. No. 10,481,329

FIELD TERMINABLE FIBER OPTIC CONNECTOR ASSEMBLY

CommScope Technologies LL...

1. A fiber optic connector assembly comprising:a carrier defining a connector end and an oppositely disposed cable end, the connector end of the carrier configured for mounting a fiber optic connector;
an alignment structure disposed on the carrier, the alignment structure including a first end and a second end and a throughhole extending from the first end to the second end, the alignment structure including a cutaway portion extending generally perpendicularly to and communicating with the throughhole, the cutaway portion configured such that a first optical fiber extending from a fiber optic connector mounted to the carrier can be positioned within at least a portion of the throughhole with an end of the first optical fiber to be located within the cutaway portion of the alignment structure; and
a window disposed within the cutaway portion of the alignment structure so as to be positioned over the end of the first optical fiber, the window configured for visually inspecting an alignment of the end of the first optical fiber with an end of a second optical fiber to enter the cable end of the carrier.

US Pat. No. 10,481,325

FABRICATION METHOD OF MULTI-CORE FIBER BRAGG GRATING PROBE USED FOR MEASURING STRUCTURES OF A MICRO PART BASED ON THE CAPILLARY SELF-ASSEMBLE TECHNIQUE

HARBIN INSTITUTE OF TECHN...

1. A fabrication method of a multi-core FBG probe for measuring structures of a micro part based on the capillary self-assemble technique, comprising:reducing the diameter of the fiber inscribed with FBG by:
preparing a fiber, inscribed with FBG, of 100 mm˜1000 mm in length; where the FBG part, located at the 30 mm˜50 mm from the terminal of the fiber inscribed with FBG, is 10 mm˜20 mm in length;
stripping a coating of 50 mm˜80 mm in length off the fiber inscribed with FBG from its terminal close to the FBG part;
reducing the diameter of the FBG part without the coating of the fiber inscribed with FBG using a mechanical method, which includes:
straightening the fiber inscribed with FBG,
fixing the fiber inscribed with FBG on a setting mechanism of a synchronous-rotation motor and aligning the axis of the fiber inscribed with FBG with that of the synchronous-rotation motor,
polishing the fiber inscribed with FBG, the wheel covered by the polishing slice above the axis of rotation of the synchronous-rotation motor polishes the part without the coating of the fiber inscribed with FBG repeatedly at a constant speed along its axis, and
monitoring the procedure of the polishing with a microscopy system and stopping the polishing when the diameter of the part without the coating of the fiber inscribed with FBG is d, wherein d is in a range from 50 ?m to 100 ?m, and the fiber inscribed with FBG whose diameter has been reduced is achieved;
cutting off the fiber inscribed with FBG whose diameter has been reduced of 30 mm˜50 mm in length using a cleaver, and making sure that the FBG part is located at the terminal of the fiber inscribed with FBG whose diameter has been reduced and its length is in a range from 5 to 10 mm; and
washing the fiber inscribed with FBG whose diameter has been reduced using an ultrasonic cleaner with the anhydrous ethanol for 5 min˜20 min;Self-assembling the fiber inscribed with FBG whose diameter has been reduced by:preparing a tube of 10 mm˜30 mm in length and D=(50 ?m˜100 ?m)×3+(1 ?m?50 ?m) in inner diameter which has an inner taper angle at one terminal;
inserting the N fibers inscribed with FBG whose diameter has been reduced by step 1 into the tube from the terminal with an inner taper angle and making sure that their FBG terminals of 5 mm˜10 mm in length out of the tube is parallel;
fixing the tube vertically and immersing the FBG terminal of the fibers inscribed with FBG whose diameter has been reduced into the a glass with the UV adhesive of less than 100 cp in viscosity for 5 min˜15 min, wherein the immersion depth is 3 mm˜6 mm; the UV adhesive is raised in the gaps between the fibers inscribed with FBG whose diameter has been reduced and a most compact structure of fiber bundle is formed as a result of the capillary self-assembly;
taking the tube and the fiber bundle within the tube out of the UV adhesive without the dislocation of the fiber bundle, and curing the fiber bundle with UV adhesive using a UV light for 1 min˜10 min to form the multi-core FBG; and
filling the inner taper angle of the tube with the thermosetting adhesive and curing it using a heater at a constant temperature of 50° C.˜180° C. for 10 min˜60 min; polishing the terminal of the multi-core FBG by:
fixing the tube with the multi-core FBG on an optic fiber polishing machine and adjusting the height of the tube to make the terminal of the multi-core FBG contacted with the polishing slice;
polishing the terminal of the multi-core FBG as the way for processing a FC/PC connector and stopping the polishing when the terminal is smooth and impeccable, and the polished multi-core FBG is achieved; and
cleaning the terminal of the polished multi-core FBG using the dust-free paper and anhydrous ethanol;fabricating a spherical tip on the polishing terminal of the polished multi-core FBG by:fixing the tube with the polished multi-core FBG processed by step 3 vertically;
adjusting the height of the polished multi-core FBG and make the polishing terminal located at 0.5 mm˜3 mm below the electrode of the electric discharge machine; and
adjusting discharge time and intensity of an electric discharge machine and melting the polished multi-core FBG; the melt fiber forms a favorable sphere because of the gravity and the surface tension, and a spherical tip is fabricated on the polishing terminal of the polished multi-core FBG after it becomes cool; a multi-core FBG probe is thus fabricated.

US Pat. No. 10,481,324

FIBER OPTIC DIFFRACTION GRATING

Chiral Photonics, Inc., ...

1. A fiber diffraction grating having at least one diffracted wavelength for controlling a light signal transmission of at least one wavelength therethrough, comprising:a modified optical fiber comprising a fiber core and a fiber cladding, said modified optical fiber having at least one core mode, and at least one of: at least one cladding mode and at least one radiating mode, said modified optical fiber further comprising:
at least one structural element having a geometrical profile, wherein said geometrical profile is configured to diffract a light signal of said at least one core mode away from the fiber core at said at least one diffracted wavelength, selected from the at least one transmission signal wavelength, wherein said at least one diffracted wavelength is not sensitive to the refractive index of a medium outside the fiber cladding.

US Pat. No. 10,481,323

PHYSIOLOGICALLY RESPONSIVE MECHANICALLY ADAPTIVE POLYMER OPTICAL FIBERS, PRODUCTION AND METHODS OF USE

ADOLPHE MERKLE INSTITUTE,...

1. A physiologically responsive mechanically adaptive optical fiber, comprising: a largely amorphous polymer, the optical fiber having a main body having a length between a first end and second end, wherein light can be transmitted along the length of the optical fiber, wherein the optical fiber has a first stiffness before exposure to conditions encountered in vivo, and upon exposure to conditions encountered in vivo the optical fiber exhibits a second stiffness lower than the first stiffness.

US Pat. No. 10,481,322

ILLUMINATING DEVICE

Japan Display Inc., Mina...

1. A display device comprising:a display panel including a curved surface,
a lightguide plate including a curved emitting surface, and an incidence surface comprising a side edge curved along the emitting surface;
a printed circuit board facing the incidence surface; and
a plurality of light sources which are mounted on the printed circuit board and emit light to the incidence surface, wherein
each of the light sources comprises a light-emitting center, a pair of connection terminals connected to the printed circuit board, and a central axis extending through the connection terminals and the light-emitting center, and
the light sources are arranged along a curved mounting line extending along the curved side edge of the incidence surface on the printed circuit board, such that the light-emitting centers are located on the mounting line, and such that the central axes are parallel to each other and are located in a direction intersecting with the mounting line.

US Pat. No. 10,481,320

CLAMPING METHOD AND DISPLAY DEVICE

HKC Corporation Limited, ...

12. A display device, comprising:a display panel, and
a backlight module, further comprising:
a plastic frame, being a one-piece structure, and comprising a first clamping portion and a first border portion, wherein the first clamping portion has a fixed column disposed thereon, and the first border portion and the first clamping portion are formed with a certain angle and the first border portion has a latch hole;
a backplate, comprising a second clamping portion and a second border portion, wherein the second clamping portion has a through hole formed thereon and disposed at a position corresponding to the fixed column, and the second border portion and the second clamping portion are formed with a certain angle, and the second border portion has a latch member disposed at a position corresponding to the latch hole;
an optical film and a light guide plate, both being installed between the first clamping portion and the second clamping portion;
wherein, the fixed column is passed through the through hole, and the part of the fixed column extending out from the through hole is hot melted to form a hot melt portion wrapped around the through hole, so that the first clamping portion and the second clamping portion clamp the optical film and the light guide plate securely, and the latch member is passed through the latch hole to define a latch connection.

US Pat. No. 10,481,316

LIGHT EMITTING ARRANGEMENT FOR ILLUMINATED SURFACES

SIGNIFY HOLDING B.V., Ei...

1. A light emitting arrangement comprising:a body of solid material having a surface;
a light guiding member partially embedded into the body, the light guiding member having a plurality of discrete light outcoupling regions and a plurality of discrete light non-outcoupling regions distributed along a longitudinal direction of the light guiding member, wherein the plurality of light non-outcoupling regions of the light guiding member are embedded in the body and the plurality of light outcoupling regions of the light guiding member are exposed on the surface of the body, wherein the plurality of light outcoupling regions comprise light outcoupling elements and the plurality of light non-outcoupling regions form light incoupling regions comprising light incoupling elements, and wherein at least one of the plurality of light outcoupling regions is coupled to two of the plurality of light non-outcoupling regions; and
a plurality of solid state light sources embedded within the body and arranged to emit light towards the light incoupling regions.

US Pat. No. 10,481,314

DISPLAY APPARATUS AND POLARIZER THEREOF

LG Display Co., Ltd., Se...

1. A display apparatus, comprising:a substrate;
a light emitting element on the substrate, the light-emitting element being configured to emit visible light; and
a polarizer comprising:
a polarizing object on the substrate, the polarizing object being configured to absorb ultraviolet light and visible light having wavelengths of 380 nm to 420 nm of the visible light emitted from the light emitting element and configured to transmit the visible light emitted from the light emitting element, where a supporting film is present on at least one surface of the polarizing object, a first adhesive layer is present on one surface of the supporting film, a phase retardation layer is present on one surface of the first adhesive layer, and a second adhesive layer is present on one surface of the phase retardation layer;
wherein the supporting film is directly contacted with the polarizing object,
wherein the supporting film includes any one of a polyester-based film and an acryl-based film formed of an acryl-based resin,
wherein the first adhesive layer absorbs ultraviolet light and visible light having wavelengths of 380 nm to 425 nm emitted from the light emitting element, and transmits the visible light emitted from the light emitting element,
wherein the polarizing object has a 3D stereographic structure in which OH groups present in a polymer polymerized from the monomer represented by Chemical Formula 1
form a center circle around an iodine atom, and carbon (C) atoms attached to the OH groups are positioned outward from the iodine atom, andwherein the polarizing object includes a first dye that absorbs ultraviolet light and visible light having wavelengths shorter than the blue light of the visible light emitted from the light emitting element and that transmits the visible light emitted from the light emitting element.

US Pat. No. 10,481,310

HARD CANDY OPTICS

1. A method of manufacturing a hard candy optic comprising:coating a depression comprised in a mold with a lubricant, wherein the lubricant comprises vegetable oil, wherein the lubricant is configured to improve an optical quality of the hard candy optic, wherein the depression comprises an inverse prism shape;
heating a mixture comprising either:
sucrose, light corn syrup, and water; or
isomaltitol and water;
pouring the mixture into the depression; and
cooling the mixture, wherein the cooling cures the mixture into the hard candy optic comprising a resulting hard candy material;
preventing, via the lubricant, bubbles from forming along a mold-candy interface during the cooling the mixture, thus improving the optical quality of the hard candy optic, wherein the hard candy optic comprises an optically-functional prism having desired optical properties that separates white light into a rainbow due to each wavelength of the rainbow experiencing a different refractive index in the optically-functional prism; and
removing the hard candy optic from the mold,
wherein the hard candy optic comprises an optics component and a hard candy handle protruding from the optics component, and
wherein the optics component and the hard candy handle both comprise the hard candy material, such that the optics component and the hard candle handle are a single unitary component.

US Pat. No. 10,481,309

PRISM UNIT AND PROJECTOR

Konica Minolta, Inc., To...

1. A prism unit that guides incident illumination light to a reflective image display device to illuminate the reflective image display device, guides projection light, which is reflected by the reflective image display device, to an externally provided projection lens, and allows the projection light to exit the prism unit, the prism unit comprising:a first prism comprising:
a first optical surface that allows the illumination light to enter the first prism,
a second optical surface that reflects the illumination light—that entered through the first optical surface, and
a third optical surface that allows the illumination light reflected by the second optical surface to exit the first prism;
a reflecting means that reflects the illumination light that has exited the third optical surface with an angular difference so that the illumination light enters the third optical surface and is transmitted through the second optical surface to exit the first prism;
a second prism comprising:
a fourth optical surface that:
forms a first air gap with the second optical surface, and
allows the illumination light that exited through the second optical surface to enter the second prism, and
a fifth optical surface that allows the illumination light that entered through the fourth optical surface to exit the second prism; and
a third prism comprising:
a sixth optical surface that:
forms a second air gap with the fifth optical surface, and
allows the illumination light that exited through the fifth optical surface to enter the third prism,
a seventh optical surface that allows the illumination light that entered through the sixth optical surface to exit the third prism, and
an eighth optical surface that allows projection light to exit the third prism, wherein
the projection light is the illumination light that exits through the seventh optical surface, incident on and reflected by the reflective image display device, enters the third prism through the seventh optical surface, and is reflected by the sixth optical surface,
the prism unit is disposed in a projector comprising:
an illumination unit that generates the illumination light; and
the reflective image display device disposed outside of and opposite to the seventh optical surface of the third prism unit, and
a relationship of |P6?L1|?|P6?L6| is satisfied, where:
L1 is a distance between an intersection of a principal ray of the illumination light and the first optical surface and a surface of the reflective image display device,
L6 is a distance between an intersection of the principal ray of the illumination light and the sixth optical surface and the surface of the reflective image display device, and
P6 is a distance between an intersection of a principal ray of the projection light reflected by the reflective image display device and the sixth optical surface and the surface of the reflective image display device.

US Pat. No. 10,481,307

OPTICAL ANTENNA

Agency for Science, Techn...

1. An optical antenna comprising:at least one first particle;
at least one second particle having a diameter that is larger than a diameter of the at least one first particle; and
at least one light source interposed between the at least one first particle and the at least one second particle, the at least one light source configured to provide the optical signal;
wherein the at least one first particle and the at least one second particle are arranged along a plane, and
wherein the at least one first particle is configured to enhance an optical emission of the at least one light source providing an optical signal to the optical antenna and the at least one second particle is configured to direct the optical signal in the form of an inverted cone perpendicular to the plane.

US Pat. No. 10,481,305

VISIBLE NEAR-INFRARED ULTRA-BROADBAND ABSORBER AND ITS PREPARATION METHOD

ZHEJIANG UNIVERSITY, Han...

1. A visible near-infrared ultra-broadband absorber, comprising a substrate, characterized in that a bottom metal absorbing layer, a top germanium layer and a three-layer broadband anti-reflection coating are provided sequentially above the substrate; and the three-layer broadband anti-reflection coating respectively comprises a bottom layer, an intermediate layer and an outmost layer sequentially above the top germanium layer with gradually decreasing refractive indexes; and further characterized in that an alternating film layer for the germanium/metal absorbing layer is provided between the bottom metal absorbing layer and the top germanium layer; and the alternating film layer is made up of one or several germanium/metal absorbing layer units, in which the germanium layer is arranged close to the bottom metal absorbing layer; wherein the bottom layer is silicon.

US Pat. No. 10,481,298

PHOTONIC DIODE AND METHOD OF MANUFACTURING THE SAME

POSTECH ACADEMY-INDUSTRY ...

1. A photonic diode comprising:a first meta-material structure having a first bar; and
a second meta-material structure having a second bar arranged in a direction perpendicular to the first bar,
wherein the first bar and the second bar are separated from each other and the first bar and the second bar are at least partially overlapped when viewed from a light propagation direction.

US Pat. No. 10,481,297

FLUID MIGRATION PATHWAY DETERMINATION

WESTERNGECO L.L.C., Hous...

1. A method of determining a migration pathway of a subterranean fluid through a geological volume, the method comprising:placing sources at one or more source locations;
placing surface receivers at varying distances and azimuths from the one or more source locations;
carrying out seismic testing by imparting energy to the earth from the sources at the one or more source locations and measuring return energy to the receivers;
analyzing seismic testing results to generate data points distributed through a geological volume, each data point being associated with values of one or more geological attributes derived from the results of the seismic testing and at least some of which are indicative of possibility for fluid migration at the data point;
identifying a starting object within the geological volume, wherein the starting object defines an initial position of a fluid boundary at a plurality of the data points;
defining an expression which determines a change in position of the fluid boundary at the data points from forces acting on the object at the fluid boundary, wherein the forces are determined from the values of the one or more geological attributes associated with the data points and the forces are (i) force normal to the object boundary, (ii) directional force on the object, and (iii) curvature force which minimizes curvature of the object boundary; and
applying the expression at the data points for successive iterations to evolve the position of the fluid boundary over the successive iterations, whereby the migration pathway of the subterranean fluid through the geological volume can be determined from the evolution of the position of the fluid boundary.

US Pat. No. 10,481,296

MAGNETIC SENSOR CORRECTION FOR FIELD GENERATED FROM NEARBY CURRENT

Hallibunon Energy Service...

1. A downhole tool, comprising:a body;
a power source coupled to the body;
a load coupled to the body;
a power circuit extending between and electrically coupling the power source and the load to conduct current provided by the power source to and from the load, wherein, when current flows through the power circuit, a conductor magnetic field is generated;
a magnetic sensor coupled to the body to obtain sample measurements of a magnetic field, wherein the magnetic sensor is positioned on the body separately from the power circuit, the power source and the load, such that the conductor magnetic field affects operation of the magnetic sensor;
a current sensor communicably coupled to the power circuit to measure the current in the power circuit; and
a computer communicably coupled to the magnetic sensor and the current sensor, the computer configured to:
receive the sample measurements of the magnetic field from the magnetic sensor during drilling operations using a drill string that includes the downhole tool,
receive current measurements from the current sensor during the drilling operations,
obtain a stored correction factor during the drilling operations,
determine, based on the stored correction factor and the received current measurements, a portion of the conductor magnetic field that is induced at the magnetic sensor by the conducted current during the drilling operations,
remove the determined portion of the conductor magnetic field from the sample measurements of the magnetic field to obtain a measurement of Earth's magnetic field during the drilling operations, and
provide the measurement of Earth's magnetic field for control of a directional drilling tool during the drilling operations.

US Pat. No. 10,481,294

INSPECTION SYSTEM

1. An inspection system comprising a base, a boom lifting mechanism provided on said base and a detector mounting boom, wherein said boom lifting mechanism comprising at least two support arms arranged sequentially, said at least two support arms comprising a base arm and a distal arm, said base arm being connected to said base, said boom being mounted on said distal arm, said inspection system having a scanning state and a transporting state, two adjacent support arms of the at least two support arms being rotatably connected so that the height of said boom in the scanning state is different from that in the transporting state;wherein said boom comprising a first detection arm and a second detection arm rotatably provided on said first detection arm;
wherein when said inspection system is in the scanning state, said first detection arm is horizontally arranged and said second detection arm is vertically arranged, and said boom lifting mechanism, said first detection arm and said second detection arm jointly constituting a door-shaped structure; and
wherein when said inspection system is in the transporting state, said second detection arm is in the same direction as said first detection arm by rotation relative to said first detection arm, and said first detection arm and said second detection arm are both horizontally arranged.

US Pat. No. 10,481,293

STATISTICAL METHODS FOR ASSESSING DOWNHOLE CASING INTEGRITY AND PREDICTING CASING LEAKS

Saudi Arabian Oil Company...

1. A non-transitory, computer-readable medium storing computer-readable instructions, the instructions executable by a computer and configured to:obtain, from corrosion logs generated by an electromagnetic (EM) logging tool, raw EM corrosion data for a hotspot, wherein the raw EM corrosion data includes a metal thickness loss value for the hotspot;
determine a corrosion parameter based on the raw EM corrosion data, wherein the corrosion parameter includes a corrosion rate that is calculated based on an original thickness value, a remaining thickness value, and a number of years;
generate a probability distribution curve for the corrosion parameter;
generate a corrosion severity classification matrix based on the probability distribution curve, wherein the corrosion severity classification matrix includes a plurality of corrosion severity classes and cutoff values for each of the plurality of corrosion severity classes;
assign the hotspot into one of the plurality of corrosion severity classes based on a comparison of the cutoff values for the plurality of corrosion severity classes in the corrosion severity classification matrix and the corrosion parameter of the hotspot; and
generate a service alert for the hotspot based on the assigned corrosion severity class.

US Pat. No. 10,481,292

STATISTICAL METHODS FOR ASSESSING DOWNHOLE CASING INTEGRITY AND PREDICTING CASING LEAKS

Saudi Arabian Oil Company...

1. A system for predicting downhole casing leaks of hotspots, comprising:a memory; and
at least one hardware processor interoperably coupled with the memory and configured to:
obtain, from corrosion logs generated by an electromagnetic (EM) logging tool, raw EM corrosion data for a hotspot, wherein the raw EM corrosion data includes a metal thickness loss value for the hotspot;
determine a corrosion parameter based on the raw EM corrosion data, wherein the corrosion parameter includes a corrosion rate that is calculated based on an original thickness value, a remaining thickness value, and a number of years;
generate a probability distribution curve for the corrosion parameter;
generate a corrosion severity classification matrix based on the probability distribution curve, wherein the corrosion severity classification matrix includes a plurality of corrosion severity classes and cutoff values for each of the plurality of corrosion severity classes;
assign the hotspot into one of the plurality of corrosion severity classes based on a comparison of the cutoff values for the plurality of corrosion severity classes in the corrosion severity classification matrix and the corrosion parameter of the hotspot; and
generate a service alert for the hotspot based on the assigned corrosion severity class.

US Pat. No. 10,481,291

CHEMICALLY-SELECTIVE IMAGER FOR IMAGING FLUID OF A SUBSURFACE FORMATION AND METHOD OF USING SAME

SHELL OIL COMPANY, Houst...

1. An imager for imaging fluid of a subsurface formation, the imager comprising:a housing having a sidewall defining a passage to receive a core sample of the subsurface formation therethrough, the housing positioned in a downhole tool, the housing having a fluid inlet to receive fluid from the subsurface formation into the passage;
a permanent magnet positioned in the sidewall of the housing, the permanent magnet comprising magnetic coils oriented to direct a magnetic field through the passage;
a radio frequency coil positioned in the sidewall of the housing between the permanent magnet and the passage, the radio frequency coil oriented to direct a radio frequency field through the passage;
a magnetic field gradient positioned in the sidewall of the housing between the permanent magnet and the radio frequency coil to selectively direct a gradient field through the passage; and
a chemically-selective imager configured to generate images of the fluid in the core sample operatively connected to the radio frequency coil to selectively pulse frequencies according to a pulse sequence whereby images of hydrocarbons and aqueous fluids in the core sample are generated based on differences in chemical shift, wherein nuclear magnetic resonance measurement is performed using compressed sensing and rapid acquisition with relaxation enhancement (RARE).

US Pat. No. 10,481,290

GENERALIZED DIRECTIONAL MEASUREMENTS AND USING SYMMETRIZED AND ANTI-SYMMETRIZED ANGLES TO INDICATE ORIENTATION OF ANISOTROPY AND FORMATION BOUNDARIES

SCHLUMBERGER TECHNOLOGY C...

1. A method for determining orientation of an electrical resistivity boundary in a wellbore, comprising:accepting as input to a computer measurements of an electromagnetic property of formations traversed by the wellbore (i) at least one axial spacing between a multiaxial electromagnetic transmitter and a multiaxial electromagnetic receiver or (ii) at least two axial spacings using a single axis transmitter and multiaxial receivers or a multiaxial transmitter and single axis receivers;
in the computer, determining a symmetrized angle using measurements of the electromagnetic property made using cross coupled component measurements;
in the computer, determining at least a relative orientation of the electrical boundary with respect to an orientation of the well logging instrument using the symmetrized angle; and
in the computer, at least one of displaying and storing the relative orientation.

US Pat. No. 10,481,289

LOGGING SYSTEM AND METHOD FOR EVALUATION OF DOWNHOLE INSTALLATION

STATOIL PETROLEUM AS, St...

1. A logging system for evaluation of a downhole installation, wherein the downhole installation comprises: a first pipe layer, a second pipe layer about the first pipe layer, an annulus between the first pipe layer and the second pipe layer, and a geological formation outside of the second pipe layer, the system comprising:a logging tool including an angled acoustic transmitter for exciting a flexural wave in the first pipe layer, and three or more angled acoustic receivers spaced apart along the tool such that, in use, the receivers are at different locations along the length of the pipe layers, the receivers each being for obtaining third interface echo data from the second pipe layer; and
a processor arranged to process acoustic data from the receivers in order to: identify trends in the amplitude of the third interface echo as it propagates along the length of the pipes, calculate an estimated exponential decay for the third interface echo when reinforcement from other acoustic energy is disregarded, use this estimation to predict if the material behind the second pipe layer is fluid or solid, and analyse the third interface echo data in light of the determined material state in order to thereby evaluate material conditions in the annulus outside the second pipe layer.

US Pat. No. 10,481,288

ULTRASONIC TRANSDUCER WITH IMPROVED BACKING ELEMENT

Halliburton Energy Servic...

1. A system, comprising:an ultrasonic transducer for use in a borehole environment, comprising:
a piezoelectric element;
a pair of electrodes disposed one on each side of the piezoelectric element to enable a current flow through the piezoelectric element; and
a backing element disposed on one side of the piezoelectric element to attenuate vibrations in the ultrasonic transducer from the piezoelectric element, wherein the backing element is a ceramic backing material, wherein the backing element is configured to eliminate acoustic reflections from the attenuated vibrations.

US Pat. No. 10,481,287

SURFACE CONSISTENT STATICS SOLUTION AND AMPLIFICATION CORRECTION

Saudi Arabian Oil Company...

1. A computer implemented method for producing corrected seismic data from seismic data generated from a plurality of seismic receiver stations configured to sense seismic signals originating from a plurality of seismic source stations, wherein at least one of the plurality of seismic source stations or one of the plurality of seismic receiver stations is positioned on an outcropping geobody, the method comprising:obtaining, by a processor, at least one seismic trace, the at least one seismic trace comprising unprocessed seismic data;
identifying, from the unprocessed seismic data, a signature associated with the geobody, the signature corresponding to a geometry of the geobody;
performing, by the processor, a variable gap deconvolution to attenuate the signature and generate processed seismic data without near-surface reverberations caused by the outcropping geobody; and
performing, by the processor, a frequency-dependent amplitude correction on the processed seismic data to produce corrected seismic data, wherein at least one of the plurality of seismic source stations or plurality of seismic receiver stations is positioned on a near-surface feature having less distortion effects than the outcropping geobody and the corrected seismic data comprises first corrected seismic data;
performing, by the processor, a surface consistent deconvolution and amplitude correction on the corrected seismic data to produce second corrected seismic data.

US Pat. No. 10,481,284

MODULAR GAMMA IMAGING DEVICE

KROMEK GROUP, PLC, Sedge...

1. An imaging device, comprising:an enclosure comprising a casing and a radiation lining arranged within the casing to provide a radiation shield, wherein the enclosure comprises a removable portion;
a plurality of modular components being in communication with calibration code, wherein the calibration code calibrates the imaging device based upon information of the plurality of modular components;
each of the plurality of modular components comprising a plurality of gamma detector elements including semiconductor crystals and being removable from the imaging device;
the plurality of modular components being arranged such that the plurality of gamma detector elements are configured in an array configuration with each of the plurality of gamma detector elements having a predetermined spacing from each other gamma detector element, wherein the predetermined spacing is based upon a gap tolerance of the semiconductor crystals and wherein the predetermined spacing is maintained by the plurality of modular components upon replacement of one of the plurality of gamma detector elements, wherein each of the plurality of modular components corresponds to one of a plurality of drawers and each of the plurality of drawers are mounted on a slideable mechanism, wherein each of the drawers is parallel to a bottom plane of the imaging device; and
a plurality of electronic communication components, wherein the plurality of electronic communication components facilitate communication from each of the gamma detector elements to a processor using a hierarchical communication technique; and
a cooling system.

US Pat. No. 10,481,283

CONFIGURABLE ANALOG-TO-DIGITAL CONVERTER AND PROCESSING FOR PHOTON COUNTING

TEXAS INSTRUMENTS INCORPO...

1. A photon counting system, comprising:a photon sensor;
a charge sensitive amplifier (CSA) coupled to the photon sensor; and
an analog to digital converter (ADC) coupled to the CSA, the ADC comprising:
successive approximation circuitry comprising:
an N-bit digital-to-analog converter (DAC);
an N-bit successive approximation register (SAR);
a plurality of N-bit registers;
a multiplexer.

US Pat. No. 10,481,281

RADIATION IMAGE DETECTOR WITH CAPABILITY OF AUTOMATIC EXPOSURE DETECTION (AED) AND AED METHOD

Industrial Technology Res...

1. A radiation image detector with capability of automatic exposure detection, comprising:a high voltage circuit unit providing an operation bias;
an image sensing panel receiving the operation bias and sensing an incident X-ray, and generating holes and electrons, wherein the holes generate positive charges to form an image;
an automatic exposure detector coupled to the high voltage circuit unit to transfer the operation bias and detecting a variation pattern with time of a sensing signal generated by the electrons, wherein a reference signal is internally generated dynamically varying with time for comparing with the sensing signal, and an onset time point for exposure is determined when the reference signal is greater than the sensing signal in a start stage, and an cessation time point for the exposure is determined when the sensing signal is greater than the reference signal in an exposure stage;
a control unit coupled to the high voltage circuit unit, the image sensing panel, and the automatic exposure detector and configured to perform a system control, comprising obtaining an image signal of the image from the image sensing panel; and
an imaging unit coupled to the control unit and receiving the image signal of the image to process the image signal and display and store the image.

US Pat. No. 10,481,280

RADIATION DETECTING APPARATUS, RADIATION DETECTING SYSTEM, AND MANUFACTURING METHOD FOR RADIATION DETECTING APPARATUS

Canon Kabushiki Kaisha, ...

1. A radiation detecting apparatus comprising:a scintillator configured to convert irradiated radiation into visible light;
a pixel array in which a plurality of pixels that each converts the visible light converted by the scintillator into electric signals is arranged in a two-dimensional array form on a first surface of a substrate;
a plurality of connection terminal portions arranged on a periphery of the pixel array on the first surface of the substrate and configured to electrically connect the pixel array to an external circuit; and
a conductive member to which a constant potential is supplied,
wherein the conductive member, the pixel array, and the scintillator are arranged in this order from a side irradiated with radiation, and the scintillator is arranged on the first surface side, and
wherein the conductive member is arranged in a region of a second surface opposite to the first surface of the substrate but does not extend to a region opposite to the plurality of connection terminal portions on the first surface.

US Pat. No. 10,481,274

METHODS, DEVICES, AND USES FOR CALCULATING A POSITION USING A GLOBAL NAVIGATION SATELLITE SYSTEM

Ariel-University Research...

1. A method of calculating the position of a receiver of global navigation satellite signals, the method comprising:obtaining at least one three-dimensional (3D) representation of an area containing the receiver, and a 3D shading map associated with each of a plurality of global navigation satellites;
for each satellite of at least a portion of said plurality of satellites:
classifying whether said satellite is a line-of-sight (LOS) satellite, having a line of sight to the receiver, or a non-line-of-sight (NLOS) satellite, not having a line of sight to the receiver;
comparing said shading map to said classification; and
narrowing said area containing the receiver according to said comparison, thereby calculating the position as being within said narrowed area;
wherein said narrowing said area is according to a set of surface inequalities, each inequality corresponding to a constraint defined by a shading surface in said 3D map.

US Pat. No. 10,481,273

SYSTEMS AND METHODS FOR GNSS PROCESSING DURING INTERFERENCE SUPPRESSION

ROCKWELL COLLINS, INC., ...

11. A method, comprising:receiving an incoming signal, the incoming signal including a radio frequency (RF) satellite signal from a satellite vehicle;
generating a calibration signal;
applying the calibration signal to the incoming signal to generate a calibrated incoming signal;
executing an interference suppression algorithm on the calibrated incoming signal to generate a suppressed calibrated incoming signal;
executing a first tracking channel using the suppressed calibrated incoming signal to generate a suppressed calibrated pseudorange parameter;
comparing the suppressed calibrated pseudorange parameter to a predetermined calibrated pseudorange parameter to determine an interference suppression error;
executing the interference suppression algorithm on the incoming signal to generate a suppressed incoming signal;
executing a second tracking channel corresponding to the satellite vehicle using the suppressed incoming signal to generate a satellite pseudorange parameter;
modifying the satellite pseudorange parameter using the interference suppression error; and
outputting a location of a receiver device based on the modified satellite pseudorange parameter.

US Pat. No. 10,481,272

RADIO NAVIGATION DEVICE AND METHOD FOR RECEIVING, EVALUATING AND PROCESSING FAULTY NAVIGATION SIGNALS

Neusoft Technology Soluti...

7. A method for receiving, evaluating and processing navigation signals for satellite-supported position determination, in particular using a radio navigation device including a data bank and that provides substantially statically stored, predeterminable positioning data on regions where previously-detected radio navigation signals were determined to be deficient or lacking radio navigation signal reception, and sends error information of the previously-detected radio navigation signals to a receiving apparatus in response a current location being at least proximate the regions that are deficient or lacking radio navigation signal reception, comprising:providing, by the radio navigation device, at least one receiving apparatus and at least one evaluating apparatus and a data bank;
connecting, by the radio navigation device, the evaluating apparatus to the data bank, the data bank having positioning data which are pre-determined and comprising predictable, statically stored regions of that are deficient or lacking radio navigation signal reception and are associated with an error type based on the type of deficiency;
sending, by the radio navigation device, the pre-determined positioning data of the data bank dependently upon predefined location information with regard to predictable that are deficient or lacking radio navigation signal reception and error information of the received navigation signals to at least one of the evaluating apparatus;
determining, by the radio navigation device, a corrected position of at least one receiving apparatus by using the positioning data of the data bank; and
determining, by the radio navigation device, the corrected position of at least one receiving apparatus by using the error type of the predictable regions that are deficient or lacking radio navigation signal reception of the data bank.

US Pat. No. 10,481,270

DEVICE FOR DETECTING AN OBSTACLE BY MEANS OF INTERSECTING PLANES AND DETECTION METHOD USING SUCH A DEVICE

SOFTBANK ROBOTICS EUROPE,...

1. An obstacle detection device which is intended to be fitted to a mobile vehicle able to move parallel to a reference plane, comprising:at least two emitters of electromagnetic beams which are able to form two virtual planes in two different directions that are able to intersect one another and intersect a potential obstacle,
at least one image sensor able to produce a two-dimensional (2D) image of the intersection of the two virtual planes with the potential obstacle, and
an image analysis means able to determine the presence of an obstacle by comparing the 2D image with a reference image, wherein the obstacle is determined to be present when the 2D image comprises a deformation of a straight line, and wherein the reference image comprises a straight line formed by intersection of the two virtual planes with the reference plane.

US Pat. No. 10,481,268

TEMPERATURE BASED CONTROL IN LIDAR

Innoviz Technologies Ltd....

1. A LIDAR system for use in a vehicle, the LIDAR system comprising:at least one light source configured to project light toward a field of view for illuminating a plurality of objects in an environment of a vehicle;
at least one processor configured to:
control the at least one light source in a manner enabling light flux of light from the at least one light source to vary over scans of a plurality of portions of the field of view, wherein during scanning of the field of view, heat is radiated from a system component among a plurality of system components;
receive information indicating that a temperature associated with at least one system component among the plurality of system components exceeds a threshold; and
in response to the received information indicating the temperature exceeding the threshold, modify an illumination ratio between two portions of the field of view such that during at least one subsequent scanning cycle less light is delivered to the field of view than in a prior scanning cycle.

US Pat. No. 10,481,267

UNDISTORTED RAW LIDAR SCANS AND STATIC POINT EXTRACTIONS METHOD FOR GROUND TRUTH STATIC SCENE SPARSE FLOW GENERATION

TUSIMPLE, San Diego, CA ...

1. A method of generating a ground truth dataset for motion planning for a non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computing device, causes the computing device to perform the following steps comprising:transforming LiDAR scans into undistorted LiDAR scans based on LiDAR's poses for the motion planning of a vehicle;
identifying, for a pair of undistorted LiDAR scans, points belonging to a static object in an environment;
aligning the close points based on pose estimates; and
transforming a reference scan that is close in time to a target undistorted LiDAR scan so as to align the reference scan with the target undistorted LiDAR scan.

US Pat. No. 10,481,265

APPARATUS, SYSTEMS AND METHODS FOR POINT CLOUD GENERATION AND CONSTANTLY TRACKING POSITION

1. A system for creating an image of a layout of one or more structures in an interior of a building, said system comprising:a mobile range-finding laser device (RFLD) configured to be coupled to an operator and to perform scans, each scan measuring a plurality of data points comprising range and angle values relative to a current location of the range-finding laser device and said one or more structures in a field of view of the RFLD;
an attitude inertial measurement unit (IMU) that is affixed to the range-finding laser device that measures an attitude of the RFLD;
a first zero-velocity update (zupt) IMU configured to be coupled to the operator and to calculate a position, velocity, and yaw of the operator;
an image display device;
a computer in communication with the RFLD, the IMU, the first zupt and the image display device; and
a power supply providing power to one or more of the computer, the RFLD, the IMU, the first zupt, and the image display device
wherein said computer comprises logic configured to:
a) convert the plurality of data points for each scan to Cartesian data points,
b) compare the Cartesian data points for a current scan with Cartesian data points for a preceding scan to derive a first estimated change in position of the RFLD from a position of the preceding scan to a position of the current scan,
c) using data from the attitude IMU, calculate a change in pitch and roll of the RFLD for the current attitude relative to a pitch and roll of the RFLD for a preceding scan,
d) using the estimated position, velocity, and yaw data from the first zupt for the current scan and a predetermined offset between a center of the operator and a center of the RFLD, calculate a second estimated change in the position and attitude of the RFLD,
e) fuse the first estimated change in position, the second estimated change in position and the change in attitude to obtain-a fused change in position and attitude of the RFLD relative to a position and attitude of the RFLD for a preceding scan,
f) calculate a current global pose for the RFLD based upon the fused change in position and attitude RFLD in step e),
g) transform the plurality of data points from a sensor frame of reference to a global frame of reference for the current scan to obtain current transformed data points,
h) merge the current transformed data points with a point cloud comprising prior transformed data points from previous scans, and
i) display the current and prior transformed data points on the image display device to produce an image of said one or more structures in the field of view of the range-finding laser device.

US Pat. No. 10,481,261

DEPTH FIELD IMAGING APPARATUS, METHODS, AND APPLICATIONS

CORNELL UNIVERSITY, Itha...

1. A depth field imaging apparatus for imaging a scene, comprising:a time-of-flight (TOF) imager comprising:
a light source configured to emit light to illuminate the scene; and
a plurality of TOF sensors configured to acquire a depth field image of the scene by detecting return light returned from the scene in response to the emitted light;
light field (LF) optics disposed in a path of the return light and configured to spatially modulate the return light prior to detection of the return light by the plurality of TOF sensors,
wherein the plurality of TOF sensors and the LF optics are implemented in a single on-chip architecture; and
wherein the depth field image acquired by the plurality of TOF sensors contains LF information, encoded by the spatial modulation applied to the return light by the LF optics, and TOF information.

US Pat. No. 10,481,260

ULTRASOUND IMAGING PROBE FOR IMAGING A TEMPORARY CHANGE IN AN ENVIRONMENT

Super Sonic Imagine, Aix...

1. An ultrasonic imaging probe for imaging a medium, comprising:a first type of ultrasonic transducers configured to perform an ultrasonic imaging of the medium, having a first focus in the medium and a first resonance frequency, and
a second type of ultrasonic transducers configured to generate a stress producing transient movements of the imaged medium, having a second focus in the medium and a second resonance frequency,
wherein the second focus generates said stress producing transient movements as deep as depth of ultrasonic imaging obtained with the first focus, and the second resonance frequency is lower than the first resonance frequency,
the first and the second types of ultrasonic transducers having different focuses so that field of said stress producing transient movements is larger than field of said ultrasonic imaging while maintaining said probe in a fixed position relative to said medium,
the first and the second types being configured to operate at least in a coupled mode wherein the first and the second types are synchronized so as to image the medium during progression of the transient movements to obtain images of progression of transient modification of the medium.

US Pat. No. 10,481,259

TRACKING TARGETS ON A SONAR IMAGE

NAVICO HOLDING AS, Egers...

1. A method for tracking one or more targets on a sonar image, the method comprising:receiving first sonar data from a sonar system of a vessel at a first time, wherein the first sonar data is generated from a plurality of sonar returns from an underwater environment relative to the vessel based on a first sweep of the underwater environment by the sonar system, wherein at least one transducer of the sonar system is configured to mechanically rotate 360 degrees during the first sweep;
processing the first sonar data from the first sweep to form a first sonar image that shows a representative plan view of the underwater environment relative to the vessel, wherein the first sonar image is formed using pixel coordinates for each of the plurality of sonar returns of the first sonar data, wherein each pixel coordinate defines a color value that directly correlates to at least an amplitude of a corresponding sonar return;
displaying the first sonar image on a computer screen;
identifying one or more targets in the first sonar image by determining that a contrast between the color value of one or more pixel coordinates of the first sonar image and a background color value of the first sonar image is greater than a predetermined threshold;
receiving user input to a user interface associated with the screen, wherein the user input indicates a desire to track the one or more targets on the first sonar image;
determining a first location of the one or more targets based on the pixel coordinates of the first sonar image associated with the one or more targets;
receiving second sonar data from the sonar system of the vessel at a second time following the first time, wherein the second sonar data is generated from a plurality of sonar returns from the underwater environment relative to the vessel based on a second sweep of the underwater environment by the sonar system, wherein the at least one transducer of the sonar system is configured to mechanically rotate 360 degrees during the second sweep;
processing the second sonar data from the second sweep to form a second sonar image that shows a representative plan view of the underwater environment relative to the vessel, wherein the second sonar image is formed using pixel coordinates for each of the plurality of sonar returns of the second sonar data, wherein each pixel coordinate defines a color value that directly correlates to at least an amplitude of a corresponding sonar return;
displaying the second sonar image on the computer screen;
re-identifying the one or more targets within the second sonar image based on at least a contrast between the color value of one or more pixel coordinates of the second sonar image and a background color value of the second sonar image by identifying at least one of shape, size, color, or speed associated with one or more pixel coordinates that substantially matches one or more predetermined shapes, speeds, colors or sizes of the one or more targets;
determining a second location of the one or more targets based on the pixel coordinates of the second sonar image associated with the one or more targets; and
tracking the one or more targets by at least storing the first location and the second location of the one or more targets in a memory.

US Pat. No. 10,481,257

SYNTHETIC APERTURE RADAR APPARATUS

Mitsubishi Electric Corpo...

1. A synthetic aperture radar apparatus comprising:a synthetic aperture radar sensor to emit chirp signals into space, said each chirp signal being a pulse signal that has a frequency changing with time and a range chirp rate indicating a rate of change of said frequency being switched, and to receive reflected waves of said chirp signals which are reflected by a target to thereby output received signals of said reflected waves; and
a signal processor including an image reconstruction processor that performs range compression on the received signals outputted by said synthetic aperture radar sensor, and reconstructs a synthetic aperture radar image from the received signals subjected to the range compression,
said signal processor further including a peak shift compensator that compensates for a peak shift of a distance between said synthetic aperture radar sensor and said target, the peak shift occurring in the received signal subjected to the range compression performed by said image reconstruction processor, due to a movement of said synthetic aperture radar sensor during a time period until the reflected waves of the chirp signals are received by said synthetic aperture radar sensor after said chirp signals are emitted from said synthetic aperture radar sensor,
said peak shift compensator having:
a DFT unit to perform a discrete Fourier transform on the received signals outputted by said synthetic aperture radar sensor; and
a function value multiplier to multiply the received signals subjected to the discrete Fourier transform, by function values of a complex function defined by the range chirp rate at an azimuth time and an azimuth angle in a transmission direction of the pulse signal at the azimuth time, thereby to compensate for the peak shift.

US Pat. No. 10,481,256

SHOPPING CART CORRAL SYSTEM AND ASSOCIATED SYSTEMS AND METHODS

WALMART APOLLO, LLC, Ben...

1. A shopping cart corral system, comprising:a corral structure including a proximal end, a distal end, and an enclosure configured and dimensioned to extend between the proximal and distal ends, the enclosure defining an interior area for receiving one or more shopping carts, the proximal end of the corral structure including an opening for entrance and exit of the one or more shopping carts from the enclosure;
a radio-frequency transmitter to transmit a radio-frequency signal into the interior area of the enclosure, the radio-frequency signal interacting with the one or more shopping carts in the corral structure to generate a reflected radio-frequency signal having at least one property that differs from the radio-frequency signal based on interference of the one or more shopping carts with the radio-frequency signal;
a radio-frequency receiver being configured to receive the reflected radio-frequency signal; and
a controller operatively coupled to the radio-frequency receiver, the controller being configured to estimate a quantity of shopping carts that are disposed in the interior area of the enclosure based on the at least one property of the reflected radio-frequency signal received by the radio-frequency receiver, a degree to which the one or more shopping carts interfere with the radio-frequency signal indicative of the quantity of shopping carts that are disposed in the interior area of the enclosure.

US Pat. No. 10,481,253

LOW-PROFILE MONOPULSE TRACKER

L-3 Communications Corp.,...

1. A monopulse tracker comprising:a housing having a first surface containing a monopulse antenna system and multiple additional surfaces angled from the first surface, each additional surface also containing a monopulse antenna system such that the monopulse tracker includes at least three monopulse antenna systems;
one or more comparators configured to generate a set of channels including a sum channel, an elevation difference channel, and an azimuth difference channel for each of the at least three monopulse antenna system such that at least three sets of channels are generated;
one or more monopulse detector assemblies configured to generate a set of ratios including an elevation ratio and an azimuth ratio for each of the at least three monopulse antenna systems by processing the sum channel, the elevation difference channel, and the azimuth difference channel for the respective monopulse antenna system such that at least three sets of ratios are generated; and
a position estimator configured to receive the at least three sets of ratios and to generate an estimated position of an object based on the elevation and azimuth ratios in each of the three sets of ratios.

US Pat. No. 10,481,251

RADAR DEVICE AND TARGET DETECTING METHOD

FUJITSU TEN LIMITED, Kob...

1. A radar device configured to calculate an angle of a target based on a phase difference between reception signals obtained by receiving reflected waves from the target with a plurality of receiving antennae, the radar device comprising:a transmitting unit configured to alternately transmit a first transmission wave and a second transmission wave having different beam patterns;
a calculating unit configured to calculate reception levels of the respective reception signals of the reflected waves by the first transmission wave and the second transmission wave, and an estimate angle at which the target is estimated to exist, on the basis of the reception signals;
a first determining unit configured to determine a degree of reliability of a level difference between the reception levels calculated by the calculating unit, on the basis of a comparison between the level difference with a reference value of the level difference which is associated with the estimate angle in advance; and
a second determining unit configured to determine whether the target exists at the estimate angle, on the basis of a determination result of the first determining unit and the reception level based on the first transmission wave, wherein
in a case where the first determining unit determines that the degree of reliability is high, the second determining unit sets a predetermined first threshold as a determination threshold, whereas in a case where the first determining unit determines that the degree of reliability is low, the second determining unit sets a predetermined second threshold which is greater than the predetermined first threshold as the determination threshold, and
in a case where the reception level based on the first transmission wave exceeds the determination threshold, the second determining unit determines that the target corresponding to the estimate angle is not a wrapped ghost caused by phase wrapping, whereas in a case where the reception level based on the first transmission wave is equal to or lower than the determination threshold, the second determining unit determines that the target corresponding to the estimate angle is the wrapped ghost.

US Pat. No. 10,481,248

DETECTION APPARATUS, UNDERWATER DETECTION APPARATUS AND RADAR APPARATUS

FURUNO ELECTRIC CO., LTD....

1. A Continuous Transmission Frequency Modulated (CTFM) detection apparatus, comprising:a projector configured to transmit a frequency modulated transmission wave at a given transmission period;
a sensor configured to receive a reflected wave, the reflected wave comprising a reflection of the transmission wave on a target object; and
a hardware processor programmed to at least:
generate a beat signal based at least in part on the transmission wave and the reflected wave,
extract a plurality of extracted beat signals from the beat signal, each extracted beat signal from the plurality of extracted beat signals being extracted by applying a different gate interval of a plurality of gate intervals to the beat signal, wherein the gate interval for at least some of the extracted beat signals are set at different timings,
extract a processing signal from the beat signal, wherein the processing signal is selected from the plurality of extracted beat signals, and
generate information related to the target object based on the processing signal.

US Pat. No. 10,481,247

METHOD, AN APPARATUS AND A COMPUTER PROGRAM PRODUCT FOR POSITIONING

HERE Global B.V., Eindho...

21. A computer program product embodied on a non-transitory computer readable medium, comprising computer program code configured to, when executed on at least one processor, cause an apparatus or a system to:obtain information of signal strength of one or more wireless signals by a device;
obtain information of signal strength distribution of wireless signals; and
use the information of signal strength and the information of signal strength distribution to determine at least one likelihood for the device being inside an area by:
comparing the obtained signal strength with signal strength measurements of the radio map;
using location information associated with the signal strength measurement of the radio map which is closest to the obtained signal strength as an assumed location of the device; and
determining a likelihood that the assumed location corresponds with the actual location of the device.

US Pat. No. 10,481,245

HIGH RANGE RESOLUTION RADAR PROFILING USING FREQUENCY JUMP BURST-PULSE DOPPLER WAVEFORM AND PROCESSING

Raytheon Company, Waltha...

1. A method comprising:transmitting a frequency jump burst-pulse Doppler (FJB-PD) waveform comprising a plurality of frequency steps over a predetermined time period, each frequency step having a plurality of pulses;
receiving one or more FJB-PD pulse returns corresponding to the FJB-PD waveform;
identifying one or more target detections in the one or more FJB-PD pulse returns;
extracting a set of range swaths for each of the identified one or more target detections;
generating a wideband spectrum for each of the sets of range swaths using FJB coherent integration, wherein at least one wideband spectrum is generated for each of the one or more target detections; and
generating a clutter suppressed high range resolution (HRR) profile for each of the target detections based on the respective wideband spectrum.

US Pat. No. 10,481,240

SYSTEMS AND METHODS TO DETERMINE A LOCATION OF A MOBILE DEVICE

OneMarket Network LLC, S...

1. A server system comprising:at least one memory;
at least one microprocessor,
wherein the at least one memory and at least one processor are configured to perform the following operations:
obtaining a map of radio frequency signal characteristics in a region identified in the map;
receiving, from a transceiver of a mobile device during a period of time, radio frequency signals in the region emitted from a plurality of beacons located in a multi-floor transport corridor within the region;
determining characteristics of the radio frequency signals, the characteristics comprising signal strength levels of the radio frequency signals;
matching the characteristics of the radio frequency signals with the frequency signal characteristics of the map;
determining a plurality of successive locations based on the matching;
identifying a pattern of the plurality of successive locations during the period of time;
in response to the pattern being identified in the plurality of successive locations, assigning a confidence level of the plurality of successive locations as locations of the mobile device;
computing a weighted average of a first location of the mobile device from the map and a second location of the mobile device from inertial sensor measurements from the mobile device, the weighting based on the confidence level of the plurality of successive locations;
determining, based on the weighted average, a current location of the mobile device;
determining a movement speed of the mobile device based on the signal strength levels of the radio frequency signals; and
modifying the current location of the mobile device based on the movement speed of the mobile device and an expected traffic flow along the multi-floor transport corridor.

US Pat. No. 10,481,239

INDOOR ROOM-LOCALIZATION SYSTEM AND METHOD THEROF

Robert Bosch GmbH, Stutt...

1. An indoor room localization system comprising:a memory including training data and response data;
a processor coupled to the memory, the processor for carrying or having computer-executable instructions to collect WiFi RSSI data corresponding to various sites, the instructions causing a machine to:
classify the collected WiFi RSSI data into an array of RSSI patterns;
transmit the classified RSSI patterns to the memory for storing into training data;
transmit response data identifying classifications of the collected WiFi RSSI data to the memory for storage;
generate observation vectors from the response data identifying classifications of the collected WiFi RSSI data; and
update categorical distribution parameters using the generated observation vectors to specify a probability that the machine is within a predetermined region; and
wherein a dirichlet distribution is used to classify the collected WiFi RSSI data into an array of RSSI patterns and a mode of the dirichlet distribution is used to specify the probability that the machine is within the predetermined region.

US Pat. No. 10,481,237

METHOD AND APPARATUS FOR USING GESTURES TO CONTROL A MEASUREMENT DEVICE

FARO TECHNOLOGIES, INC., ...

1. A method for controlling a measurement device, the method comprising:providing a relationship between a command and a gesture, the gesture corresponding to a skeletal model of a body position of a user;
measuring a three-dimensional coordinate of a point on a surface based on a first light projected from a first light source of the measurement device;
projecting a second light from a second light source on the user;
acquiring, with a camera, the body position of the user performing the gesture;
generating, at a processor, the skeletal model of the body position of the user;
identifying, at the processor, the gesture performed by the user from the skeletal model of the body position;
determining, at a processor, the command based on the gesture and the relationship between the command and the gesture; and
executing, by the processor, the command at the measurement device.

US Pat. No. 10,481,236

SYSTEMS AND METHODS FOR ESTIMATING ANGLE OF ARRIVAL IN A WIRELESS DEVICE

Cypress Semiconductor Cor...

1. A method of a wireless device, the method comprising:determining a phase difference between a first offset introduced by a first oscillator of a transceiver of the wireless device and a second offset introduced by a second oscillator of a receiver of the wireless device;
using the transceiver coupled to a first antenna, determining a first attribute value of a first radio frequency (RF) signal received from a source through the first antenna during a first period;
using an attribute estimator of the receiver, determining a second attribute value of the first RF signal received from the source through a second antenna during the first period;
switching the attribute estimator from being coupled to the second antenna to being coupled to a third antenna;
using the transceiver coupled to the first antenna, determining a first attribute of a second RF signal received from the source through the first antenna during a second period;
using the attribute estimator, determining a second attribute of the second RF signal received from the source through the third antenna during the second period; and
compensating for the determined phase difference prior to estimating an angle of arrival associated with the first and second RF signals based on the first and second attributes of the first RF signal and the first and second attributes of the second RF signal.

US Pat. No. 10,481,235

MAGNETIC RESONANCE IMAGING APPARATUS AND IMAGE PROCESSING APPARATUS

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus, comprising:sequence control circuitry configured to conduct, on a subject, first imaging, and second imaging that is subsequent to the first imaging; and
processing circuitry configured to
generate a first magnetic resonance image based on the first imaging conducted by the sequence control circuitry;
set an imaging condition with regard to the second imaging;
estimate, based on the first magnetic resonance image and the set imaging condition, information about an image quality in a case in which the second imaging is conducted,
cause a display to display the first magnetic resonance image and superimpose the estimated information on the displayed first magnetic resonance image,
receive, from an operator, a designation operation on the first magnetic resonance image,
change a setting of the imaging condition related to the second imaging based on the designation operation; and
generate a second magnetic resonance image based on the second imaging conducted by the sequence control circuitry.

US Pat. No. 10,481,232

MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus comprising:sequence control circuitry configured to execute a first pulse sequence that acquires data by radial sampling and configured to execute a second pulse sequence a plurality of times by changing a frequency of magnetization transfer (MT) pulses, the second pulse sequence acquiring data by Cartesian sampling after applying an MT pulse, and
processing circuitry configured to calculate a spectrum based on data acquired from the first pulse sequence and the second pulse sequence.

US Pat. No. 10,481,231

MAGNETIC RESONANCE IMAGING APPARATUS AND IMAGE GENERATION METHOD

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus comprising:first processing circuitry configured to execute a pulse sequence in an acquisition pattern set such that reduction factors in a plurality of pieces of k space data are made different in accordance with a predetermined imaging parameter when the pieces of k space data having different values of the imaging parameter are acquired while changing the values of the imaging parameter; and
second processing circuitry configured to generate an image based on the pieces of k space data, wherein
when the imaging parameter is included in a first range, the first processing circuitry acquires the pieces of k space data in a first region including a center in a k space with a first reduction factor and acquires the pieces of k space data in a second region that differs from the first region with a second reduction factor that differs from the first reduction factor, and
when the imaging parameter is included in a second range that differs from the first range, the first processing circuitry acquires the pieces of k space data in the first region with a reduction factor higher than the first reduction factor and acquires the pieces of k space data in the second region with a reduction factor lower than the second reduction factor.

US Pat. No. 10,481,230

NMR SHIM SYSTEM

BRUKER SWITZERLAND AG, F...

1. A shim system for influencing and homogenizing the magnetic field of a Nuclear Magnetic Resonance (NMR) system, comprising:a coil former, an extension tube and a terminal unit,
partial coils mounted on the coil former and having terminal lines configured to connect the partial coils to the terminal unit,
wherein the terminal lines are disconnected from one another between the coil former and the extension tube, and
a circuit board interposed between the coil former and the extension tube, and having connection lines interconnecting the terminal lines to one another.

US Pat. No. 10,481,229

MAGNETIC-RESONANCE IMAGING APPARATUS

Canon Medical Systems Cor...

1. A magnetic-resonance imaging apparatus, comprising:a gradient coil configured to apply a gradient magnetic field to an imaging space in which a subject is placed;
a transmitter coil configured to apply a RF (radio frequency) pulse to the imaging space; and
processing circuitry configured to calculate a target temperature of the gradient coil throughout a plurality of protocols to be executed in an examination of the subject, control a temperature of the gradient coil to approach the target temperature when data used to set a center frequency of the RF pulse is measured, generate image data based on MR signal data acquired by executing the plurality of protocols, and display an image based on the generated image data on a display.

US Pat. No. 10,481,228

LIGHT DATA COMMUNICATION LINK DEVICE FOR USE IN MAGNETIC RESONANCE EXAMINATION SYSTEMS

Koninklijke Philips N.V.,...

1. A light data communication link device for use in a magnetic resonance examination system including a scanning unit that comprises an enclosure having an outer enclosure surface defined by maximum spatial dimensions of the scanning unit, the light data communication link device comprising:a first light emitter and receiver unit and a second light emitter and receiver unit, each of the first and second light emitter and receiver units comprising:
a light generating member that is configured to generate light depending on an electrical signal applied to an electrical input port of the light generating member;
a light receiving member that is configured to generate an electrical signal at an electrical output port as a function of received light;
a light diffuser comprising a hollow semi-sphere;
a converging lens, wherein, in each of the first and second light emitter and receiver units, the light generating member is optically connected to the light diffuser by a first optical waveguide, and the light receiving member is optically connected to the converging lens by a second optical waveguide of the respective first and second light emitter and receiver units;
a first optical pathway for data communication existing along first distance between the light diffuser of the first light emitter and receiver unit and the converging lens of the second light emitter and receiver unit, and the converging lens, the second optical waveguide and the light receiving member of the second light emitter and receiver unit; and
a second optical pathway existing along a second distance between the light diffuser of the second light emitter and receiver unit and the converging lens of the first light emitter and receiver unit, and the converging lens, the second optical waveguide, and the light receiving member of the first light emitter and receiver unit, wherein at least the light generating member of the first light emitter and receiver unit is configured to be arranged outside a volume having an outer boundary surface comprising the outer enclosure surface, and the second light emitter and receiver unit is configured to be at least partially arranged inside the volume.

US Pat. No. 10,481,227

TRANSMISSION OF MAGNETIC RESONANCE SIGNALS BY DIFFERENTIAL CABLE ROUTING

Siemens Healthcare GmbH, ...

1. A transmission apparatus for transmitting an intermediate frequency signal and an oscillator signal for mixing down of the intermediate frequency signal, the transmission apparatus comprising:a symmetrical transmission line for transmission of the oscillator signal and the intermediate frequency signal; and
a symmetrizing element configured to adapt an unsymmetrical signal source, a signal sink, or the unsymmetrical signal source and the signal sink to the symmetrical transmission line,
wherein the symmetrizing element has only ferrite-free inductances, and
wherein the transmission apparatus has a local attenuation minimum in a frequency range of the oscillator signal and in a frequency range of the intermediate frequency signal, respectively.

US Pat. No. 10,481,224

RF SURFACE COIL UNIT AND MAGNETIC RESONANCE IMAGING SYSTEM COMPRISING SAME

Samsung Electronics Co., ...

1. A magnetic resonance imaging (MRI) system, the system comprising:a plurality of radio frequency (RF) coils arranged on a cylindrical base, where at least one pair of the plurality of RF coils are respective facing RF coils; and
a conductive layer configured to respectively electrically connect the respective facing RF coils to each other across a first end of the base opposing a second open end of the base,
wherein the conductive layer forms a loop coil on the first end of the cylindrical base and is configured to apply a uniform magnetic field to an object penetrating the second end.

US Pat. No. 10,481,221

TUNNEL MAGNETO-RESISTIVE (TMR) SENSORS EMPLOYING TMR DEVICES WITH DIFFERENT MAGNETIC FIELD SENSITIVITIES FOR INCREASED DETECTION SENSITIVITY

QUALCOMM Incorporated, S...

1. A tunnel magneto-resistive (TMR) sensor, comprising:a first TMR device comprising:
a first pinned layer, a first free layer, and a first tunnel barrier disposed between the first pinned layer and the first free layer;
the first TMR device having a first magnetic sensitivity and a first resistance as a function of the first magnetic sensitivity;
a second TMR device comprising:
a second pinned layer, a second free layer, and a second tunnel barrier disposed between the second pinned layer and the second free layer;
the second TMR device having a second magnetic sensitivity different from the first magnetic sensitivity of the first TMR device, and having a second resistance as a function of the second magnetic sensitivity;
a first bottom electrode electrically coupled to the first pinned layer of the first TMR device;
a first top electrode electrically coupled to the first free layer of the first TMR device;
a second bottom electrode electrically coupled to the second pinned layer of the second TMR device; and
a second top electrode electrically coupled to the second free layer of the second TMR device;
the first TMR device configured to carry a first current between the first bottom electrode and the first top electrode in response to a first voltage differential applied between the first bottom electrode and the first top electrode based on the first resistance of the first TMR device; and
the second TMR device configured to carry a second current between the second bottom electrode and the second top electrode in response to a second voltage differential applied between the second bottom electrode and the second top electrode based on the second resistance of the second TMR device; and
a first access transistor comprising a first gate, a first electrode, and a second electrode, wherein:
the first gate of the first access transistor is electrically coupled to a word line;
the first bottom electrode of the first TMR device is electrically coupled to the first electrode of the first access transistor; and
the first top electrode of the first TMR device is electrically coupled to a source line;
the first TMR device configured to receive the first current between the first top electrode and the first bottom electrode based on the first resistance of the first TMR device, in response to a control signal on the word line activating the first access transistor and a first voltage applied to the source line; and
a second access transistor comprising a second gate, a first electrode, and a second electrode, wherein:
the second gate of the second access transistor is electrically coupled to the word line;
the second bottom electrode of the second TMR device is electrically coupled to the first electrode of the second access transistor; and
the second top electrode of the second TMR device is electrically coupled to the source line;
the second TMR device configured to receive the second current between the second top electrode and the second bottom electrode based on the second resistance of the second TMR device in response to the control signal on the word line activating the second access transistor and a second voltage applied to the source line.