US Pat. No. 10,338,335

MID-SPAN CLAMP FOR AERIAL FIBER OPTICAL CABLE SYSTEM

1. A mid-span optical fiber cable support system comprising:a main span cable comprising at least one optical fiber and having a preferential bend characteristic such that the main span cable defines a preferential bend axis, the main span cable supported at two separated supports along a length of the main span cable;
a drop cable comprising at least one optical fiber, the drop cable having a first section extending along a portion of the length of the main span cable and a second portion extending away from the main span cable at a position between the two separated supports; and
a mid-span clamp system engaging the main span cable comprising:
a main span cable clamp engaging the main span cable; and
a drop cable clamp engaging the drop cable and supported from the main span cable such that the second portion of the drop cable extends away from the main span cable such that a drop cable load applied at the drop cable clamp is substantially perpendicular to the preferential bend axis of the main span cable.

US Pat. No. 10,338,334

SYSTEM AND METHOD FOR DIRECT CABLE EXPANSION

CenturyLink Intellectual ...

1. A system comprising:a pump, coupled to a reservoir holding a fluid, configured to pump the fluid; and
a probe, in fluid communication with the pump, configured to introduce the fluid into a cable such that a channel is created, by the fluid, between an outer sheath of the cable and a core of the cable;
a coupler configured to attach to the cable at a first end, receive the probe, and position the probe at an interface between the outer sheath and an inner material of the cable adjacent to the outer sheath.

US Pat. No. 10,338,333

DEVICE AND METHOD FOR INSERTING AN OPTICAL FIBER ONTO A BOBBIN

Conductix Wampfler France...

1. A device for inserting an optical fiber through a port arranged in a rim of a bobbin, comprising, along a direction in which the optical fiber runs:a system configured for moving the optical fiber;
a tool configured for cutting the optical fiber; and
a first optical fiber-guiding element comprising a slot, a base of which defines a curve between an inlet facing the moving system and an outlet configured to face the port in the rim of the bobbin.

US Pat. No. 10,338,332

OPTICAL FIBER BUNDLE

Corning Optical Communica...

1. An optical communication cable comprising:a plurality of optical fiber subunits, each subunit comprising an optical fiber ribbon; and
a bundle jacket surrounding the optical fiber subunit, the bundle jacket including an inner surface defining a bundle passage and an outer surface defining an exterior surface, wherein the bundle jacket applies a low, inward, radially-directed force onto the subunits sufficient to hold subunits as a cohesive bundle of subunits but not sufficient to hold the subunits in fixed positions relative to each other within the bundle jacket;
wherein the bundle jacket has a thickness between 0.05 mm and 0.35 mm and a tensile strength that is less than 2000 psi, and
wherein the bundle jacket is formed from an extrudable PVC material having an oxygen limiting index of less than 40%.

US Pat. No. 10,338,331

FIBER OPTIC RIBBON CABLE HAVING ENHANCED RIBBON STACK COUPLING AND METHODS THEREOF

Corning Optical Communica...

1. A method of manufacturing a fiber optic cable, the method comprising:arranging a plurality of optical waveguides in a ribbon stack; and
surrounding the ribbon stack with a dry insert, the dry insert comprising a layer of foam material; and
extruding a jacket around the dry insert, wherein corners of the ribbon stack interface with the dry insert to define a coupling extending longitudinally between the ribbon stack and the jacket.

US Pat. No. 10,338,330

OPTICAL TRANSCEIVER AND OPTICAL TRANSCEIVER INSERTION/EJECTION MECHANISM

SUMITOMO ELECTRIC DEVICE ...

1. An optical transceiver which is inserted and ejected with respect to a cage in a first direction, the optical transceiver comprising:a case that has a second engagement portion engaging with a first engagement portion provided in the cage to prevent the optical transceiver from being ejected from the cage;
a slider that is attached to the case and relatively moves relative to the case in the first direction with respect to the case, the slider having a concave portion; and
a pusher that is oscillatably supported by the case via an oscillation shaft extending in a second direction intersecting the first direction and disengages the first engagement portion and the second engagement portion from each other by pushing the first engagement portion in a third direction intersecting the first direction and the second direction while being interlocked with a movement of the slider, the pusher having a convex portion,
wherein the oscillation shaft is positioned in an ejecting direction with respect to an interlocking part of the slider and the pusher, and
wherein the concave portion of the slider houses the convex portion of the pusher when the second engagement portion engages with the first engagement portion.

US Pat. No. 10,338,329

ARRANGEMENT FOR CONNECTING PHOTONIC AND ELECTRONIC COMPONENTS

Nokia Solutions and Netwo...

1. An apparatus comprising:a first planar substrate having one or more photonic devices located along a major surface thereof and a plurality of first electrical transmission lines thereon, each of the one or more photonic devices comprising a respective surface aperture, some of the first electrical transmission lines being connected to an electrical interface, the electrical interface at least partially being on the major surface of the first planar substrate;
a second planar substrate having an optical waveguide circuit thereon and having an edge adjacent the one or more photonic devices to enable the optical waveguide circuit to communicate light between the edge and the one or more respective surface apertures of the one or more photonic devices without causing the communicated light to pass through another optical element therebetween; and
a third planar substrate having a plurality of second electrical transmission lines thereon, some of the second electrical transmission lines being connected to the electrical interface such that said some of the second electrical transmission lines are able to communicate electrical signals with said some of the first electrical transmission lines; and
wherein the second and third planar substrates are substantially orthogonal to the major surface of the first planar substrate.

US Pat. No. 10,338,328

RUGGEDIZED PHOTONIC CRYSTAL SENSOR PACKAGING

The Boeing Company, Chic...

1. A method for hermetically sealing a sensor chip, the method comprising:coating the sensor chip, wherein the sensor chip is a photonic crystal (PC) sensor chip;
centering the sensor chip to a center axis of an end of a ceramic tube;
soldering the sensor chip to the end of the ceramic tube to form a sensor chip assembly;
assembling a ceramic ferrule with a fiber;
inserting the ceramic ferrule inside the ceramic tube of the sensor chip assembly;
aligning an end of the fiber to the sensor chip of the sensor chip assembly; and
soldering at least a portion of an outer surface of the ceramic ferrule to at least a portion of an inner surface of the ceramic tube of the sensor chip assembly.

US Pat. No. 10,338,327

DEVICE FOR INCOUPLING AND/OR OUTCOUPLING OPTICAL SIGNALS

Silicon Line GmbH, Munic...

1. A device for coupling optical signals into at least one waveguide, wherein the device comprises at least one electro-optical converter which sends out the optical signals in the direction of an axis or a core of the waveguide,wherein the electro-optical converter is incorporated in at least one send-site optical subassembly,
wherein the send-site optical subassembly comprises at least one guiding channel for aligning the waveguide with respect to the electro-optical converter,
wherein at least one extension has the same diameter as the guiding channel and is assigned to the send-site optical subassembly, said extension being provided for aligning the waveguide with respect to the guiding channel,
wherein the extension is arranged in front of the end of the guiding channel in such way that a stepless transition into the guiding channel is defined, said end being averted from the converter,
wherein at least one air outlet is provided along an entire length of the guiding channel,
wherein trapped or compressed air can be vented via said air outlet when the waveguide is inserted in the guiding channel, and
wherein the air outlet is provided only in the area of the guiding channel which does not encounter the extension.

US Pat. No. 10,338,326

MULTI-CHANNEL OPTICAL SUBASSEMBLY STRUCTURE COMPRISING AN ALIGNMENT JIG AND METHOD OF PACKAGING THE STRUCTURE

ELECTRONICS AND TELECOMMU...

1. A multi-channel optical subassembly structure based on a transistor outline (TO) metal-can package, the multi-channel optical subassembly structure comprising:a module assembly mounted on a module housing of the multi-channel optical subassembly structure and having a plurality of lead pins arranged on a TO-stem;
a thermoelectric element arranged on an upper surface of the TO-stem with respect to a position between the lead pins and having one electrode pad and the other electrode pad formed on an upper surface thereof;
a plurality of submounts having a plurality of light source photodetector chips which are multi-channel light sources and photocouplers of the multi-channel optical subassembly structure each mounted by an upper electrode pad thereof, respectively, and arranged on the upper surface of the thermoelectric element so as not to be in contact with the one electrode pad and the other electrode pad; and
an alignment jig configured to electrically connect the upper electrode pad of each of the submounts to the one electrode pad or the other electrode pad of the thermoelectric element so that fine alignment is performed while power is applied to the light source photodetector chips.

US Pat. No. 10,338,325

NANOFILLER IN AN OPTICAL INTERFACE

International Business Ma...

1. An apparatus, comprising:a body comprising one or more grooves defined therein, at least one groove in the one or more grooves configured to receive a corresponding optical fiber of one or more optical fibers; the at least one groove of the one or more grooves further configured to receive an adhesive to attach the body to a portion of the corresponding optical fiber; and
a suspended structure associated with the at least one groove configured to couple light between the suspended structure and the corresponding optical fiber; and
wherein the adhesive comprises nanofiller configured to support an alignment of the suspended structure with the corresponding optical fiber within the at least one groove, wherein the nanofiller has a size and distance that are less than a wavelength of light that propagates through the corresponding optical fiber.

US Pat. No. 10,338,324

OPTICAL CONNECTOR

FUJIKURA LTD., Tokyo (JP...

1. An optical connector comprising:an inner housing that houses a ferrule;
an outer housing that detachably houses the inner housing in connector insertion and removal directions;
a mounting member that movably attaches the inner housing to a board in a direction perpendicular to the connector insertion and removal directions; and
a first elastic member arranged between the mounting member and the outer housing,
wherein the inner housing is held in the mounting member via the first elastic member, with a space maintained between a peripheral surface of the outer housing and the mounting member.

US Pat. No. 10,338,323

HARDENED FIBER OPTIC CONNECTOR

COMMSCOPE TECHNOLOGIES LL...

1. A fiber optic connector for optically coupling to a mating fiber optic connector through a fiber optic adapter, the fiber optic connector comprising:a connector housing extending from a distal end to a proximal end;
a ferrule assembly mounted to the connector housing adjacent the proximal end, the ferrule assembly including a ferrule, a distal end of the ferrule extending distally beyond the distal end of the connector housing;
a sealing member mounted directly around an exterior of the connector housing and adapted for providing a seal between the connector housing and the fiber optic adapter when the fiber optic connector is plugged into a port of the fiber optic adapter, the sealing member having a diameter less than or equal to 15 millimeters; and
a fastener configured to retain the fiber optic connector within the fiber optic adapter.

US Pat. No. 10,338,322

CLEANING TOOL

FUJIKURA LTD., Tokyo (JP...

1. A cleaning tool comprising:a tool body; and
an insertion part projecting from the tool body, wherein
the insertion part is movable in a predetermined direction with respect to the tool body,
the insertion part includes a head unit,
the head unit presses a cleaning element against a cleaning target with a pressing surface,
by relatively moving the tool body and the insertion part, the cleaning element is supplied and recovered, and the head unit is rotated in a rotation direction with the predetermined direction as an axis,
the head unit includes a head member, a tubular member, and a base member comprising a leading end part that extends toward the head member,
the head member includes the pressing surface and is configured of a different member separate from the base member,
the head member is inserted into the tubular member with the pressing surface in a projected state,
the head member is inserted into a first end of the tubular member distal to the tool body and the leading end part is inserted into a second end of the tubular member opposite the first end,
the cleaning element is stretched around the pressing surface, and
when viewing the pressing surface from the predetermined direction, the cleaning element is disposed in a clearance between an outer surface of the head member and an inner peripheral surface of the tubular member on a supply side, and the cleaning element is disposed in a clearance between an outer surface of the head member and an inner peripheral surface of the tubular member on a recovery side.

US Pat. No. 10,338,321

LARGE SCALE STEERABLE COHERENT OPTICAL SWITCHED ARRAYS

Analog Photonics LLC, Bo...

1. An optical structure comprising:a light source;
a plurality of optical emitters;
an optical power distribution network optically connecting the light source to the plurality of optical emitters, said optical power distribution network including a plurality of individually controllable switches;
wherein said switches are configured such that optical power emitted from the light source that enters the optical power distribution network will be emitted from a single one of the plurality of optical emitters;
wherein a portion of the emitted optical power is subsequently reflected by an object;
wherein the reflected optical power portion is received by the single one of the emitters; and
wherein the received reflected optical power is conveyed in an optical path of the distribution network, said received optical power path is the same as but in a reverse direction to an emitted optical path that the emitted optical power traversed from the light source to the one emitter.

US Pat. No. 10,338,320

SCALABLE OPTICAL SWITCHES AND SWITCHING MODULES

NeoPhotonics Corporation,...

1. An optical switching device with expansion connections comprising a photonic integrated circuit, the photonic integrated circuit comprising:N input optical ports where N?2, M output optical ports where M?2, and mM expansion-in ports wherein m is an integer greater than or equal to 1;
a N×M multicast switch comprising N MCS input ports connected to a unique one of the N input ports and M MCS output ports;
M (m+1)×1 optical elements, either an optical splitter or an optical switch, each optical element comprising (m+1) input ports and 1 output port, wherein each optical element has an input port connected to one of the M MCS output ports and an output port connected to a unique one of the M output optical ports;
wherein each of the remaining mM input ports of the optical elements are directly connected to a unique expansion-in port.

US Pat. No. 10,338,319

PHASE SHIFTING BY MECHANICAL MOVEMENT

The Board of Trustees of ...

1. Apparatus for providing a phase shift for one or more propagating waves, the apparatus comprising:a first waveguide configured to support one or more first propagating waves;
a second waveguide configured to support one or more second propagating waves;
wherein the first waveguide and the second waveguide are in lateral proximity to each other in an interaction region such that the first and second propagating waves propagating in the first and second waveguides are coupled in the interaction region;
a mechanism configured to provide an adjustable longitudinal displacement d of the interaction region with respect to one or both of the first and second waveguides without substantially changing a length W of the interaction region;
further comprising a substrate wherein the first waveguide is affixed to a first member attached to the substrate via one or more first flexures;wherein the one or more first flexures comprise a double flexure arrangement configured to adjust the longitudinal displacement d without making a corresponding change in a lateral separation s between the first waveguide and the second waveguide in the interaction region;wherein the double flexure arrangement includes two flexible waveguide sections disposed parallel to each other.

US Pat. No. 10,338,318

PLANAR LIGHTWAVE CIRCUITS (PLCS) EXHIBITING CONTROLLABLE TRANSMISSIVITY / REFLECTIVITY

LioniX International BV, ...

1. A planar lightwave circuit comprising:an input port;
an output port; and
a resonant mirror assembly optically coupling the input port to the output port, the resonant mirror assembly exhibiting a tunable reflectivity/transmittvity, the resonant mirror assembly including a plurality of cascaded optical resonators, each optical resonator exhibiting a pair of coupling coefficients, wherein one of the coupling coefficients of at least one of the plurality of resonators is different in value from all the other coupling coefficients;
wherein at least a portion of light received at the input port is reflected back to that port through the effect of the resonant mirror assembly.

US Pat. No. 10,338,317

SYSTEMS AND METHODS FOR TRACEABLE CABLES

Corning Optical Communica...

1. A traceable cable, comprising:at least one data transmission element;
a jacket at least partially surrounding the at least one data transmission element;
a tracing optical fiber incorporated with and extending along at least a portion of a length of the cable, wherein the tracing optical fiber includes a core having a first index of refraction and a cladding with a second index of refraction; and
at least one launch point provided through at least a portion of the jacket for optically accessing the tracing optical fiber, the launch point comprising:
an optical medium accessible from an exterior of the jacket and in contact with the tracing optical fiber, wherein the optical medium is index-matched to the core of the tracing optical fiber.

US Pat. No. 10,338,316

POLARIZATION DISPERSION ADDER AND OPTICAL RECEIVER

NEC Corporation, Tokyo (...

1. A polarization dispersion adder comprising:a polarization rotator for continuously changing an angle of a polarization plane of a pulse for each pulse of signal light generated by modulating an optical carrier during a period from a rise start time T0 of the pulse to a fall completion time T1 of the pulse and outputting the pulse; and
a delay adder for adding an amount of delay corresponding to a change amount of the polarization plane added by the polarization rotator to the pulse outputted from the polarization rotator.

US Pat. No. 10,338,315

SPLICING OF CRYSTAL FIBER TO SILICA FIBER WITH REACTION BONDING

The Government of the Uni...

1. A spliced fiber, comprising:a first portion, comprising a crystal fiber material;
a second portion, comprising a second fiber material that is different from the crystal fiber material; and
an intermediate region coupled between the first portion and the second portion, wherein the intermediate region has an elemental composition different from respective elemental compositions of the crystal fiber material and the second fiber material, wherein the elemental composition of the intermediate region comprises a graded mixture of elements, and wherein elements in the graded mixture transition, along the length of the intermediate region, from elements in the first portion to elements in the second portion.

US Pat. No. 10,338,314

OPTICAL FIBER CUTTING APPARATUS

SEI OPTIFRONTIER CO., LTD...

1. An optical fiber cutting apparatus comprising:a body portion on which an optical fiber is mounted;
a cover member that is rotatably connected to the body portion and fixes the optical fiber between the body portion and the cover member by rotating toward the body portion;
a blade member configured to form a flaw on a glass fiber portion of the optical fiber which is fixed; and
a holding member mounted on the body portion, the holding member configured to hold the blade member,
wherein the cover member includes a lever pressing portion that protrudes toward a body portion side in a state where the cover member is rotated toward the body portion, wherein the holding member includes a rotation lever that is pressed by the lever pressing portion when the cover member is rotated toward the body portion, and wherein the lever pressing portion presses the rotation lever and thereby the blade member imparts an arc movement to form the flaw on the glass fiber portion.

US Pat. No. 10,338,313

ON-CHIP BROADBAND LIGHT SOURCE

UNIVERSITEIT GENT, Ghent...

1. An on-chip broadband radiation source comprising:at least one optical waveguide comprising a core and a cladding material,
a III-V membrane, a LED structure being implemented thereon, the III-V membrane having a thickness between ?/20*n1 and ?/2*n1, where ? is the operating wavelength and n1 the refractive index of the III-V membrane material, the III-V membrane being positioned on top of the optical waveguide, and there being a refractive index contrast such that n1?n0>1, with n1 being the refractive index of the III-V membrane material, n0 the refractive index of the cladding material surrounding the III-V membrane at least in a direction perpendicular to the membrane,
wherein the at least one optical waveguide or the III-V membrane comprises a coupling means for transferring an optical pump signal from the optical waveguide up to the III-V membrane, and
wherein the III-V membrane has an absorption capability for absorbing the optical pump signal transferred up to the III-V membrane so as to pump the LED structure thus inducing broadband radiation at a wavelength longer than the wavelength of the optical pump signal, and the emitted signal is coupled back into the waveguide.

US Pat. No. 10,338,312

PHOTONIC CRYSTAL ALL-OPTICAL SELF-AND-TRANSFORMATION LOGIC GATE

1. A Photonic Crystal (PhC) all-optical self-AND-transformation logic gate, comprising:a PhC-structure unit, a NOT-logic gate and a D-type flip-flop (DFF) unit; a clock-signal (CP) of the PhC-structure unit is input through an input port of a two-branch waveguide, and an output port of the two-branch waveguide is connected with an input port of the NOT-logic gate, and another output port of the two-branch waveguide is connected with a first clock-signal-input port of the PhC-structure unit; an input signal at the first clock-signal-input port of the PhC-structure unit is synchronous with the clock-signal (CP); an output port of said NOT-logic gate is connected with a second clock-signal-input port of the DFF unit; a signal-output port of the PhC-structure unit is connected with a D-signal-input port of the DFF unit; a logic-signal (X) is connected with a logic-signal-input port of said PhC-structure unit:
the PhC-structure unit takes the clock-signal (CP) and the logic signal (X) as input signals; under the control of the clock-signal (CP), the clock-signal (CP) is equal to one at a time, a logic-input signal (X) is X(n), the signal-output port of the PhC-structure unit is X(n); the clock-signal (CP) is equal to zero at a time being a clock cycle after the previous time, a logic-input signal (X) is X(n+1), and a system-output port equals AND-logic operation on the logic-input signal X(n+1) and the logic-input signal X(n) at the previous moment in a clock cycle; and
the self-AND-transformation logic function of logic-signals is achieved.

US Pat. No. 10,338,311

PHOTONIC CRYSTAL ALL-OPTICAL MULTISTEP-DELAY AND-TRANSFORMATION LOGIC GATE

Zhengbiao Ouyang, Shenzh...

1. A photonic crystal (PhC) all-optical multistep-delay AND-transformation logic gate, comprising:a PhC-structure unit, an optical-switch unit (OSU), a wave-absorbing load (WAL), a NOT-logic gate, a D-type flip-flop (DFF) and a memory or delayer; an input port of a memory is connected with a first logic-signal (X1), and an output port of said memory is connected with a delay-signal-input port of said OSU; a second logic-signal (X2) is connected with a logic-signal-input port of said OSU; two intermediate-signal-output ports of said OSU are respectively connected with an intermediate-signal-input port of said PhC-structure unit and said WAL; a clock-signal (CP) is connected with an input port of a three-branch waveguide; three output ports of said three-branch waveguide are respectively connected with a second clock-signal-CP-input port of the OSU, a first clock-signal-CP-input port of said PhC-structure unit and a NOT-logic-gate-input port; a NOT-logic-gate-output port is connected with a third clock-signal-CP-input port of said DFF; and a signal-output port of said PhC-structure unit is connected with a D-signal-input port of said DFF.

US Pat. No. 10,338,310

LIGHT TRANSMITTABLE AND TISSUE INTEGRABLE BIOFIBER DEVICE

LUKE LU, San Diego, CA (...

1. A light transmittable and tissue integrable biofiber device, comprising:a plurality of biofibers consisting a single bare fiber or a single constructed fiber, the single constructed fiber consisting a core layer and either a single cladding layer or a plurality of cladding layers, the cladding layer cladding and fusing a circumferential surface around the core layer;
wherein each of the plurality of biofibers comprises a light receiving end and a light emitting end, a light radiates through the light receiving end and the light is emitted from the light emitting end;
wherein the biofiber device has a light receiving part and a light emitting part, and both the light receiving part and the light emitting part is made of plurality of biofibers;
wherein the biofiber device further comprises an adhesive polymer provided within the plurality of biofibers, made out of a thermosetting polymer or a biodegradable thermoplastic polymer;
wherein each of the plurality of biofibers is made of a bioabsorbable material, a semi-absorbable material or a non-bioabsorbable material;
wherein a well is formed by an etching method in the core layer to allow cell culturing and chemical carriage; and
wherein the biofiber is a woven fiber structure comprising a center fiber shaft and multiple braided fiber shafts interlaced-knitted around the center fiber shaft.

US Pat. No. 10,338,307

LUMINAIRE HAVING LIGHT PIPE ASSEMBLY AND METHOD OF ASSEMBLY

KENALL MANUFACTURING COMP...

1. A luminaire comprising:a housing;
a first lens covering an opening formed in the housing;
a light source disposed in the housing and configured to emit artificial light in a forward direction toward the first lens; and
a light pipe assembly spanning at least a portion of a distance between the first lens and the light source, the light pipe assembly being configured to transport ambient light rays present in an environment outside of the housing to a location within the housing isolated from the artificial light.

US Pat. No. 10,338,306

EDGE-LIT LIGHT GUIDE DEVICE WITH LIGHT SOURCE AND LIGHT GUIDE END RECEIVED IN RECEIVING GROOVE OF COVER, AND METAL FRAME

OPPLE LIGHTING CO., LTD.,...

1. A lighting device, comprising:a cover comprising a top wall and a side wall extending downwards from the top wall, and a receiving chamber defined by the top wall and the side wall;
an insulation component located on an inner surface of the side wall of the cover and defining a receiving groove;
a light source assembly located on a surface of an inner wall of the receiving groove of the insulation component;
a light guide assembly received in the receiving chamber of the cover, wherein the light guide assembly comprises an end received in the receiving groove of the insulation component;
a metal frame fixed at a periphery of the cover; and
a driving power supply assembly disposed on an upper surface of the cover, wherein the driving power supply assembly is attached onto the upper surface of the cover and is electrically connected with the light source assembly to supply power to the light source assembly.

US Pat. No. 10,338,305

LUMINAIRE WITH INTEGRATED LIGHTGUIDE

EATON INTELLIGENT POWER L...

1. A luminaire comprising:an array of light emitting diodes mounted to a rigid substrate to emit light away from the rigid substrate;
a cover that extends over the rigid substrate and that comprises an elongate aperture and a cover protrusion extending toward the rigid substrate, and
a lightguide extending through the elongate aperture, the lightguide comprising:
a first edge that extends lengthwise along the array of light emitting diodes to receive light from the array of light emitting diodes;
a second edge disposed opposite the first edge to emit the received light;
third and fourth edges that extend between the first and second edges, the third and fourth edges each comprising a lightguide protrusion that is retained against the rigid substrate by the cover protrusion; and
first and second major surfaces that are operative to guide light between the first edge and the second edge via internal reflection, that extend a first length between the first edge and the second edge, and that extend a second length between the third edge and the fourth edge, the second length substantially greater than the first length.

US Pat. No. 10,338,304

BACKLIGHT MODULE AND DISPLAY DEVICE

DELTA ELECTRONICS, INC., ...

1. A wavelength multiplexed stereoscopic display, comprising:two light guide plates, each of the light guide plates having an incident surface and a light-output surface, wherein the light guide plates are arranged side-by-side to make the light-output surfaces be coplanar;
two light-emitting modules, each of the light-emitting modules being configured to provide a first kind of light and a second kind of light to the incident surface of a corresponding one of the light guide plates, wherein the first kind of light has a first triplet, and the second kind of light has a second triplet different from the first triplet; and
a controller configured to asynchronously drive any of the light-emitting modules to alternately provide the first kind of light and the second kind of light;
wherein each of the light-emitting modules further comprise:
a first light emitter;
a second light emitter;
a first filter having a first light reflection spectrum;
a second filter having a second reflection spectrum; and
a light guide assembly configured to respectively guide lights emitted by the first light emitter and the second light emitter to the first filter and the second filter, so as to respectively obtain the first kind of light and the second kind of light, the light guide assembly being further configured to guide the first kind of light and the second kind of light to the incident surface of the corresponding one of the light guide plates;
wherein the light guide assembly further comprises:
a first total reflection prism having a first surface, a second surface, and a third surface sequentially connected; and
a second total reflection prism having a fourth surface, a fifth surface, and a sixth surface sequentially connected, wherein the first surface and the fourth surface face away from each other, the second surface and the fifth surface face away from each other, and the third surface and the sixth surface face away from each other,
wherein the first light emitter and the second light emitter emit the lights toward the first surface, and the first filter and the second filter are respectively disposed at the fourth surface and the second surface;
a light guide element optically coupled between the fifth surface and the incident surface of the corresponding one of the light guide plates, wherein the light guide element is aligned with the incident surface of the corresponding one of the light guide plates, and is aligned with the fifth surface in a direction parallel to the incident surface of the corresponding one of the light guide plates;
an assembly axis,
wherein the two light emitting modules and the two light guide plates each have at least one surface perpendicular to the assembly axis.

US Pat. No. 10,338,303

SEGMENTED BACKLIGHT FOR DYNAMIC CONTRAST

zSpace, Inc., Sunnyvale,...

1. A segmented backlight, comprising:a plurality of segments, each segment of the plurality of segments comprising a plurality of notches, where each notch of the plurality of notches is configured as a light barrier that reduces light leakage to non-adjacent segments; and
a plurality of sets of light emitting diodes (LEDs) configured to illuminate the segmented backlight, wherein each set of LEDs of the plurality of sets of LEDs illuminates a corresponding segment of the plurality of segments.

US Pat. No. 10,338,302

LIGHT SOURCE DEVICE

Panasonic Intellectual Pr...

1. A light source device comprising:a light source; and
a light guide plate,
wherein the light guide plate includes an incident surface on which light emitted from the light source is incident, an emission surface emitting light incident from the incident surface, and a propagating reflection surface which is a surface opposite to the emission surface and which propagates and reflects the light incident from the incident surface toward the emission surface,
the propagating reflection surface has V-shaped grooves and the V-shaped grooves are formed by repetition of two kinds of cross-sectional shapes,
the two kinds of V-shaped grooves have first grooves and second grooves alternately aligned from the incident surface,
angles made by the first groove and the propagating reflection surface are ?, ? and angles made by the second groove and the propagating reflection surface are ?, ?, the ? is in a range from 42 degrees to 60 degrees and the ? is in a range from 60 degrees to 72 degrees, and
the ? is in a range from 42 degrees to 60 degrees and the ? is in a range from 60 degrees to 72 degrees.

US Pat. No. 10,338,301

LIGHTING SYSTEM

Novomatic AG, Gumpoldski...

1. A lighting device comprising:a lighting panel having a flat front surface, a flat rear surface and a peripheral narrow side edge,
a housing supporting the lighting panel and surrounding at least a portion of the peripheral narrow side edge of the lighting panel,
at least one light source, assigned to a narrow side of the lighting panel, for coupling light into the lighting panel,
an emission panel having a flat rear surface oriented adjacent the lighting panel front surface, and a front surface and side edge, not surrounded by the housing, for emitting light, and
a reflector facing a flat rear surface of the lighting panel, wherein at least one of:
a) the flat rear surface of the lighting panel facing the reflector, and
b) an intermediate layer between the reflector and the lighting panel, is provided with a surface structure,
wherein the surface structure is embodied as a line grid made of continuous, crossing grid lines; and
wherein a narrow side, extending across at least one of the flat side of the light panel, and the emission panel, form a light exit or emission surface.

US Pat. No. 10,338,300

BACKLIGHT ASSEMBLY INCLUDING OPTICAL MEMBER GUIDING LIGHT AND CONVERTING WAVELENGTH OF LIGHT AND DISPLAY DEVICE HAVING THE SAME

SAMSUNG DISPLAY CO., LTD....

1. A display device, comprising:a back light assembly which generates light; and
a display panel which is disposed on the back light assembly and receives the light generated from the back light assembly to display an image,
wherein the back light assembly comprises:
a light guide member which guides the light to the display panel, the light guide member comprising a light incident surface through which the light is incident to the light guide member;
a light source which is adjacent to the light incident surface of light guide member along a first direction and emits the light to the light guide member; and
an optical member which is between the light guide member and the display panel and adjusts a path of the light emitted from the light guide member, wherein the optical member comprises:
a first base film which defines a light incident surface of the optical member through which the light is incident to the optical member from the light guide member;
a second base film which faces the first base film and is closer to the display panel than the first base film;
an optical pattern which is provided in plural spaced apart from each other;
a reflecting layer which is disposed on the optical patterns and reflects light incident to the optical member; and
a wavelength conversion pattern which is provided in plural alternately disposed with the optical patterns, wherein the wavelength conversion pattern converts a source wavelength of the light emitted from the light source,
wherein the light incident surface of the optical member having the optical patterns, the reflecting layer and the wavelength conversion patterns is adjacent to the light guide member along a second direction orthogonal to the first direction.

US Pat. No. 10,338,298

BACKLIGHT UNIT AND DISPLAY DEVICE COMPRISING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A backlight unit comprising:a first light source configured to provide first light for a three-dimensional (3D) display;
a second light source configured to provide second light for a two-dimensional (2D) display; and
a light guide plate comprising:
a first output pattern formed on an upper surface of the light guide plate and configured to direct a first portion of the first light provided by the first light source to exit through the upper surface of the light guide plate towards a display panel; and
a second output pattern formed on a lower surface of the light guide plate and configured to direct a first portion of the second light provided by second light source to exit through the lower surface of the light guide plate.

US Pat. No. 10,338,297

LIGHTING DEVICE USING LINE SHAPED BEAM

LG INNOTEK CO., LTD., Se...

1. A lighting device, comprising:a light source portion having at least one light source; and
a light guide portion having a larger thickness than a height of a light emitting surface of the at least one light source and irradiated by an incident beam of the at least one light source from a side, the light guide portion having a first surface and a second surface opposite the first surface,
wherein the first surface of the light guide portion includes a three-dimensional effect forming portion at which a three-dimensional light effect is formed,
wherein a flat reflective portion provided to face the second surface of the light guide portion,
wherein the three-dimensional effect forming portion includes multiple patterns sequentially arranged in a first direction and having respective inclined surfaces with inclination angles with respect to the first surface, wherein each of the multiple patterns extends parallel in a line in a second direction vertical to the first direction,
wherein the multiple patterns guide light passing along the light guide portion into a first surface direction toward which the first surface faces by using refraction and reflection from the inclined surfaces,
wherein the first surface of the light guide portion is a light exiting surface and the second surface of the light guide portion is flat,
wherein a spaced portion is provided as air gaps between the flat reflective portion and the second surface of the light guide portion,
wherein each of the multiple patterns include a plurality of recesses, a vertical cross-section of each recess having five sides with different angles of inclination, and
wherein one side of the five sides includes an interrupted surface configured to block light from being emitted through at least one of reflection or refraction.

US Pat. No. 10,338,296

DISPLAY APPARATUS

Panasonic Intellectual Pr...

1. A display apparatus comprising:a light guide plate that propagates light which is incident from an end surface of the light guide plate, that reflects light using prisms provided on a reflection surface of the light guide plate, and that emits light from an emission surface of the light guide plate, the emission surface faces the reflection surface;
a light source that causes light to be incident on the end surface of the light guide plate;
a hiding plate that is provided on a side of the emission surface of the light guide plate, and that includes a light transmission part which transmits light emitted from the emission surface and a light shielding part which has lower light transmittance than the light transmission part;
a colored board that has light reflectance closer to light reflectance of the light shielding part than light reflectance of the light transmission part in each wavelength, and that is provided on a side of the reflection surface of the light guide plate so as to overlap the light transmission part of the hiding plate when viewed from a direction perpendicular to the emission surface of the light guide plate; and
a second light source that is provided to interpose the colored board between the second light source and the light guide plate,
wherein when viewed from a direction perpendicular to the emission surface of the light guide plate, an edge part of the colored board overlaps the light shielding part, and the colored board overlaps a whole area of the light transmission part,
wherein a plurality of the light sources are provided at a plurality of places such that light is incident on a plurality of end surfaces of the light guide plate and different pieces of information are respectively displayed on the end surfaces into which light is incident, and
wherein the colored board is provided with a light transmitting area that has higher light transmittance than light transmittance of another area.

US Pat. No. 10,338,295

BACKLIGHT MODULE FOR CURVED LIQUID CRYSTAL DISPLAY DEVICE AND CURVED LIQUID CRYSTAL DISPLAY DEVICE

Shenzhen China Star Optoe...

1. A backlight module for curved liquid crystal display device, comprising:a backplate;
a light guide plate and a backlight source that are arranged in the backplate; and
quantum tubes that are arranged between the light guide plate and the backlight source, wherein a fold line which matches a curved surface of the curved liquid crystal display device is formed by the quantum tubes; and
wherein two adjacent quantum tubes are overlapped with each other partly.

US Pat. No. 10,338,294

CROSS RUNNER LIGHT FIXTURE

Southpac Trust Internatio...

1. A light fixture configured to mount on a suspended ceiling grid and mechanically function as a cross runner, the light fixture comprising:a light guide configured for the transmission of light through total internal reflection, the light guide comprising:
one or more front side surfaces wherein each front side surface comprises two opposing ends, wherein each opposing end comprises an indentation;
one or more back sides;
at least one edge configured for coupling with a light source;
light extracting features configured on at least a portion of one of the one or more front side surfaces;
tabs configured on both opposing ends of the light fixture, wherein the tabs are configured to engage with corresponding slots in a T-bar, such that after installation the light fixture will perform similar mechanical functions as a cross runner; and
wherein all or a portion of the indentations of opposing ends of the front side surfaces of the light guide are configured for engaging with, or being disposed in close proximity above a corresponding inner surface of a main runner in a suspended ceiling grid, and a portion of the one or more back sides of the light guide are configured to engage with, or be disposed in close proximity below a portion of the front side of one or more ceiling tiles of the suspended ceiling grid after installation of the light fixture in the suspended ceiling grid.

US Pat. No. 10,338,293

BACKLIGHT SOURCE AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A backlight source, comprising:a light-guide plate;
a diffuser arranged at a light-exiting side of the light-guide plate; and
a light bar arranged at a light-entering side of the light-guide plate,
wherein the light bar comprises a light-emitting diode (LED) lamp and a flexible circuit board connected to the LED lamp,
the flexible circuit board comprises a base material, a first solder mask and a second solder mask, the first solder mask and the second solder mask are arranged at two surfaces of the base material opposite to each other respectively,
the first solder mask is arranged at a surface of the base material adjacent to the light-guide plate, the second solder mask is arranged at a surface of the base material away from the light-guide plate, and the first solder mask is connected to the LED lamp,
the base material comprises, at the surface where the second solder mask is arranged, a first region where the second solder mask is arranged and a second region where the second solder mask is not arranged, and the second region is located at a side of the base material adjacent to the light-guide plate,
the diffuser comprises, at an end adjacent to the light bar, a connection member partially or completely covering the second region,
the light-guide plate comprises a flared structure at an end adjacent to the light bar,
the flared structure has an oblique surface at the light-exiting side of the light-guide plate, and
the flexible circuit board and the first solder mask extend to overlap the oblique surface of the light-guide plate.

US Pat. No. 10,338,292

LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE

Radiant Opto-Electronics ...

1. A light guide plate, comprising:a main body, comprising:
a light incident surface;
an end portion having a first inclined surface and a second inclined surface, wherein a thickness of one end near the light incident surface of the end portion is greater than the other end of the end portion; and
a light guide portion connected to the end portion, wherein the light guide portion has a first optical surface and a second optical surface opposite to the first optical surface, and the first optical surface is connected to the first inclined surface, and the second optical surface is connected to the second inclined surface;
a plurality of first strip structures, wherein each of the first strip structures is disposed on the first optical surface, and each of the first strip structures is connected to a first bottom edge of the first inclined surface, and an extending direction of each first strip structure is vertical to the light incident surface; and
a plurality of second strip structures, wherein each of the second strip structures is disposed on the second optical surface, and each of the second strip structures is connected to a second bottom edge of the second inclined surface, and an extending direction of each second strip structure is vertical to the light incident surface;
wherein an inherent type, an arrangement manner or an arrangement position of the first strip structures is different from an inherent type, an arrangement manner or an arrangement position of the second strip structures.

US Pat. No. 10,338,289

OPTICAL MEMBER AND IMAGE DISPLAY DEVICE INCLUDING OPTICAL MEMBER

FUJIFILM Corporation, To...

1. An optical member comprising:a substrate; and
a dot that is in contact with a surface of the substrate,
wherein the dot is formed of a liquid crystal material having a cholesteric structure,
four or more dots form one recognition effective region as an aggregate, and
a shortest inter-end distance between one arbitrary dot and at least two other dots in the recognition effective region is 10 ?m or less,
wherein a plurality of recognition effective regions are provided in a pattern shape on the surface of the substrate, and
wherein a ratio of a dot diameter to a distance between the plurality of recognition effective regions is 1:5 to 1:50.

US Pat. No. 10,338,288

REFLECTION MEMBER, PROJECTION SCREEN, COMBINER, AND HEAT SHIELD MEMBER

FUJIFILM Corporation, To...

1. A reflection member comprising:two or more layers of fixed cholesteric liquid crystal phases,
wherein the two or more layers of fixed cholesteric liquid crystal phases exhibit central wavelengths of mutually different selective reflection,
the two or more layers of fixed cholesteric liquid crystal phases include a layer formed of a composition including a disc-like liquid crystal compound and a layer formed of a composition including a rod-like liquid crystal compound, and
the difference in the absolute value of Rth at a wavelength of 550 nm between the layer formed of a composition including a disc-like liquid crystal compound and the layer formed of a composition including a rod-like liquid crystal compound is 100 nm or smaller.

US Pat. No. 10,338,287

INFRARED-REJECTING OPTICAL PRODUCTS HAVING PIGMENTED COATINGS

Southwall Technologies In...

1. An optical product comprising:a) a polymeric substrate, provided with an infrared-reflective metal layer on an outer surface thereof that is subject to oxidation;
b) a protective coating, comprising one or more of a metal oxide or a metal nitride, deposited directly on the infrared-reflective metal layer using chemical or physical vapor deposition; and
c) a composite pigment coating, deposited on the protective coating, comprising at least a first layer and a second layer, at least one of which layers comprises a first pigment, wherein each of the first layer and the second layer includes a binding group component which together form a complementary binding group pair,
wherein the first layer and the second layer together form a layer-by-layer bilayer, and
wherein the composite pigment coating comprises a plurality of layer-by-layer bilayers, each of which bilayers may be the same or different than the bilayer formed from the first layer and the second layer.

US Pat. No. 10,338,286

MULTI-BAND COLOR VISION FILTERS AND METHOD BY LP-OPTIMIZATION

ENCHROMA, INC., Berkeley...

1. A multi-band optical filter for affecting color vision, the filter comprising:a plurality of pass-bands and stop-bands partitioning the visible spectrum, including,
three or more pass-bands interleaved with two or more stop-bands, wherein
each pass-band has a center, a width, a lower band boundary equal to the center minus half the width, an upper band boundary equal to the center plus half the width, and a mean transmittance,
each stop-band has a center, a width, a lower band boundary equal to the center minus half the width, an upper band boundary equal to the center plus half the width, and a mean transmittance,
the lower band boundary of each interleaved stop-band is the same as the upper band boundary of an adjacent pass-band,
the upper band boundary of each interleaved stop-band is the same as the lower band boundary of an adjacent pass-band,
each pass-band is located between 400 nanometers and 700 nanometers and each pass-band width is between 10 and 110 nanometers,
each stop-band is located between 410 nanometers and 690 nanometers and each of the interleaved stop-bands has a width between 10 and 80 nanometers and each of the interleaved stop-bands has a mean transmittance that is less than one half of the mean transmittance of an adjacent pass-band, and
the spectral transmittance of a shoulder on the short wavelength side of the longest wavelength pass-band between 580 nanometers and 610 nanometers is at least one fifth of the luminous transmittance of the filter.

US Pat. No. 10,338,285

BLAZED DIFFRACTION GRATING AND METHOD FOR PRODUCING BLAZED DIFFRACTION GRATING

Shimadzu Corporation, Na...

1. A blazed diffraction grating comprising:a) a support having a saw-tooth sectional shape and having a basic blaze surface and a basic riser surface arranged alternately and repeatedly in a direction;
b) a resin layer covering the basic blaze surface and the basic riser surface of the support and having monotonically changing thickness on the basic blaze surface in the direction; and
c) a reflective metal coating film covering a surface of the resin layer,
wherein a blaze angle of the resin layer on the basic blaze surface is smaller than a blaze angle of the basic blaze surface, and
wherein a thickness of the resin layer is 100 nm to 200 nm at a thinnest spot of the resin layer.

US Pat. No. 10,338,284

OPTICAL OBJECTIVE WITH ENLARGEMENT OF THE EXIT PUPIL BY MEANS OF A DIFFRACTIVE ELEMENT WITH A LENTICULE COMPRISING AN IRREGULAR FEATURE

VISION ENGINEERING LIMITE...

1. An optical instrument for producing an optical image to be viewed by an observer at a viewing plane, the optical instrument comprising:an optical system for producing an optical image of an object which is viewable by an observer at an exit pupil; and
a diffractive element located at an image plane of the optical system for producing an array of the exit pupils, which are perceivable as a single, enlarged exit pupil by the observer;
wherein the diffractive element comprises a surface which has an array of diffractive units, each of which generates one of the exit pupils of the array of exit pupils, the diffractive units each comprising a lenticule, which is effective to produce diffractive interference of light and generate a plurality of exit pupils which are displaced relative to one another in the form of an array of exit pupils, the lenticules each comprising an irregular feature having a plurality of surfaces;
wherein the diffractive units are disposed progressively radially outwardly from the optical axis of the diffractive element and configured progressively to provide for an increasing angular offset, such that, independent of location on the aperture of the diffractive element and without any relay lens arrangement between the diffractive element and the viewing plane, light from the received image is relayed to a common region on the viewing plane across the aperture of the diffractive element.

US Pat. No. 10,338,283

COMPOSITE GLUE COATING DEVICE AND PREPARATION METHOD FOR FANCY REFLECTIVE MATERIAL USING THE SAME

Hangzhou Chinastars Refle...

1. A composite glue coating device comprising:a composite glue roller;
a glue coating roller;
a glue sink device; and
a glue scrapping device, wherein the composite glue roller and the glue coating roller are arranged as a clamping roller set and a bead planting film passing interval is formed between the composite glue roller and the glue coating roller, the glue scrapping device is connected with a scraper of the glue coating roller, a plurality of glue moving grooves are evenly distributed on the glue coating roller, the glue coating roller is connected with the glue sink device and is glue immersed, the glue coating roller rotates to transfer the glue inside the glue sink device into the glue moving grooves, and to coat the plating layer of the bead planting film with the glue inside the glue moving grooves;
wherein a tangent plane included angle between the glue scrapping device and the roller surface of the glue coating roller is a=15±1°.

US Pat. No. 10,338,282

INCREASED ACCURACY CORNER CUBE ARRAYS FOR HIGH RESOLUTION RETRO-REFLECTIVE IMAGING APPLICATIONS

MICROSOFT TECHNOLOGY LICE...

1. A display system comprising:one or more light sources; and
a beam splitter configured to partially reflect source light from the one or more light sources to a retro-reflective array, the retro-reflective array comprising:
a reflective surface formed by one or more corner cube arrays (CCAs),
a reflective surface covering facets of a plurality of corner cube structures of the one or more corner cube arrays (CCAs),
wherein the reflective surface covering facets of the plurality of corner cube structures comprises a reflective coating applied over a replicated retro-reflective array and the facets of the plurality of corner cube structures rendered reflective through total internal reflection (TIR), and
wherein the retro-reflective array is configured to reflect at least a portion of the source light such that the portion of the source light is transmitted through the beam splitter.

US Pat. No. 10,338,281

LIGHTING DEVICE FOR GESTURE RECOGNITION APPARATUS

Jabil Optics Germany GmbH...

1. A lighting device for detecting three-dimensional structures, in particular for a gesture recognition apparatus, for scanning an object with illumination light (L), the lighting device comprising:a tiltably supported reflective element;
a first optical component for illuminating the reflective element with the illumination light (L); and
a prism, the prism comprising:
an entry surface facing the first optical component along an illumination light path (P);
a base surface facing the reflective element along the illumination light path (P), and
an exit surface facing away from the first optical component and the reflective element along the illumination light path (P),
wherein the entry surface is arranged tilted with respect to a portion (P1) of the illumination light path striking the entry surface such that the illumination light (L) enters the prism through the entry surface,
wherein the prism is arranged along the illumination light path (P), along which the illumination light (L) extends from the first optical component to the reflective element, between the first optical component and the reflective element, and
wherein the prism is configured such that the illumination light (L) passes through the prism twice on its way to the reflective element and from the reflective element.

US Pat. No. 10,338,280

VARIFOCAL LENS MODULE

1. A varifocal lens module comprising:a lens formed of a flexible and transparent material and having a focal length varying according to a variable shape thereof;
a driving part deformed in response to an electric signal; and
a structural body configured to connect the lens and the driving part,
wherein the structural body is moved by deformation of the driving part,
wherein the variable shape of the lens is changed by the movement of the structural body,
wherein the driving part comprises:
a material layer;
an upper electrode provided on a top surface of the material layer; and
a lower electrode provided on a bottom surface of the material layer,
wherein the electric signal is applied to the upper and lower electrodes, and
wherein the material layer is expanded when the electric signal is applied to the upper and lower electrodes.

US Pat. No. 10,338,279

LENS ARRAY HAVING LENSES ARRANGED IN ROWS, LENS UNIT, EXPOSURE DEVICE, LED HEAD, AND IMAGE FORMING APPARATUS

Oki Data Corporation, To...

1. A lens unit comprising:a first lens array forming a reduced inverted image of a light emitting portion disposed on an incident side of the first lens array, and
a second lens array forming a magnified inverted image of the reduced inverted image,
the first lens array comprising:
a plurality of first lenses arranged in at least two rows parallel with each other, the plurality of first lenses being arranged in a first direction in each row, each of the plurality of first lenses allowing light to pass in a second direction,
wherein an arrangement center is defined at a center position between the two rows in a third direction perpendicular to both of the first direction and the second direction,
wherein each of the plurality of first lenses includes a first incident surface and a first emission surface,
wherein a surface apex of the first emission surface is displaced with respect to a surface apex of the first incident surface in a direction away from the arrangement center in the third direction,
the second lens array comprising:
a plurality of second lenses arranged in at least two rows parallel with each other, the plurality of second lenses being arranged in the first direction in each row, each of the plurality of second lenses allowing light to pass in the second direction,
wherein each of the plurality of second lenses includes a second incident surface and a second emission surface,
wherein a surface apex of the second incident surface is displaced with respect to a surface apex of the second emission surface in a direction away from the arrangement center in the third direction.

US Pat. No. 10,338,278

ANTI-FOG COATING

Carl Zeiss Vision Interna...

1. An optical component comprising a crosslinked anti-fog coating produced by covalent attachment of a silane derivative of the formula (2) to the surface of the optical component and crosslinking of adjacent molecules:RoXmSiBn  (2)wherein:m=1 to 3,
n=1 or 2, and
o=0 or 1,
with the proviso that m+n+o=4;
the radical X is selected from a halogen or C1-4 alkoxy, and for m=2 or 3 the individual radicals X are identical or different,
the radical R is C1-4-alkyl,
the radical B has the structure -B1-B2, in which -B2 is a terminal hydrophilic group which is crosslinked to at least one hydrophilic group of an adjacent molecule of the anti-fog coat, and -B1- represents either a spacer group, which joins the hydrophilic group B2 to the Si atom, or a covalent bond,
the terminal hydrophilic group -B2 is poly(meth)acrylate, and for n=2 the individual radicals B are identical or different, and
the anti-fog coating has a coat thickness of 100 nm or less.

US Pat. No. 10,338,277

POLARIZING PLATE PROTECTIVE FILM, POLARIZING PLATE, AND DISPLAY

FUJIFILM Corporation, To...

1. A polarizing plate protective film containing a compound represented by any one of formulae (II-1) to (II-5):
wherein, in formula (II-1) or (II-5), X represents a group represented by any of formula (I-A-1) or (I-A-2); in formulae (II-2) to (II-4), X represents a group represented by formula (I-A-1); and wherein, in formula (II-1) to (II-5), n represents an integer of 2 or more; when n is 2, Z2 represents a divalent linking group; when n is 3 or more, Z2 represents an n-valent chain hydrocarbon group; when n is 2, Z3 represents a divalent alkylene group; when n is 3 or more, Z3 represents an n-valent chain hydrocarbon group; however, the case where Z3 has a ring structure is excluded; R1 to R5 each independently represent a substituent; n1 and n2 each independently represent an integer of 2 to 6; n3 and n4 each independently represent an integer of 1 to 5; m1, m3, and m4 each independently represent an integer of 0 to 4; m2 represents an integer of 0 to 10,

wherein, in formulae (I-A-1) and (I-A-2), RAC1 and RAC2 each independently represent an alkyl group, a cycloalkyl group, an aryl group, or an acyl group; however, the case where RAC1 and RAC2 bond to each other to form a ring is excluded; RAC3 to RAC6 each independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an acyl group, an alkoxy group, or an alkoxycarbonyl group; at least two of RAC3 to RAC6 may bond to each other, to form a ring.

US Pat. No. 10,338,276

ANTIREFLECTIVE FILM, POLARIZING PLATE, COVER GLASS, IMAGE DISPLAY DEVICE, AND METHOD OF MANUFACTURING ANTIREFLECTIVE FILM

FUJIFILM CORPORATION, To...

1. An antireflective film, comprising:a plastic substrate;
an infiltration layer; and
an antireflective layer containing metallic oxide fine particles with an average primary particle size of 150 nm to 250 nm and a viscosity increasing compound, in this order,
wherein the infiltration layer and the antireflective layer are in contact with each other,
wherein the infiltration layer and the antireflective layer each contains a same polymer containing a (meth)acrylate compound having a molecular weight of 400 or less,
wherein the antireflective layer has a moth-eye structure including an uneven shape formed by the metallic oxide fine particles, and
wherein all of the metallic oxide fine particles are solid particles.

US Pat. No. 10,338,275

FLEXIBLE NANOPHOTONIC META-OPTICS

Verily Life Sciences LLC,...

1. A nanophotonic optical system for transmitting light in a range of wavelengths including a particular wavelength, comprising:at least one nanophotonic element, wherein the at least one nanophotonic element comprises a two-dimensional arrangement of sub-wavelength regions of a first material interspersed within a second material, the first material having a first index of refraction and the second material having a second index of refraction, wherein the at least one nanophotonic element comprises a surface having a curvature, and wherein the at least one nanophotonic element has an optical phase transfer function for transmitting light of the particular wavelength that is dependent on the curvature of the surface;
an actuator configured to controllably modify the curvature of the surface; and
a computing device configured to:
determine a threshold optical phase transfer function; and
cause the actuator to modify the curvature of the surface so as to provide the threshold optical phase transfer function.

US Pat. No. 10,338,274

COMPUTER RADAR BASED PRECIPITATION ESTIMATE ERRORS BASED ON PRECIPITATION GAUGE MEASUREMENTS

The Climate Corporation, ...

1. A digital computing system comprising:a memory storing one or more instructions;
one or more processors configured to execute the one or more instructions which, when executed by the one or more processors, cause performance of:
receiving over a network at the digital computing system, first electronic digital data comprising a first plurality of values representing precipitation gauge measurements at a plurality of gauge locations;
obtaining second electronic digital data comprising a second plurality of values representing radar based precipitation estimates at the plurality of gauge locations;
for each radar based precipitation estimate value at the plurality of gauge locations:
identifying one or more corresponding precipitation gauge measurement values of the first plurality of values representing precipitation gauge measurements;
computing a gauge radar differential value for the radar based precipitation estimate based, at least in part, on one or more corresponding precipitation gauge measurement values of the first plurality of values representing precipitation gauge measurements and the radar based precipitation estimate value;
storing the gauge radar differential value with location data identifying a corresponding location of the plurality of gauge locations;
obtaining a particular radar based precipitation estimate at a non-gauge location;
for each gauge location of the plurality of gauge locations, computing a correlation distance value comprising a distance of computed in at least three dimensions, two of the at least three dimensions comprising physical distances and one of the at least three dimensions comprising a difference in precipitation intensity between the gauge location and the non-gauge location or a difference in distance from a source of a corresponding radar based precipitation estimate between the gauge location and the non-gauge location;
determining that one or more particular gauge radar differential values at one or more particular gauge locations of the plurality of gauge locations correspond to the particular radar based precipitation estimate at the non-gauge location, the determining comprising identifying a subset of the plurality of gauge locations that have lower correlation distance values than remaining gauge locations of the plurality of gauge locations and selecting the one or more particular gauge locations from the subset of the plurality of gauge locations;
computing a particular radar based precipitation estimate error at the non-gauge location based, at least in part, on the one or more particular gauge radar differential values at the one or more particular gauge locations and one or more distances between the non-gauge location and the one or more particular gauge locations;
causing displaying, on a client computing device, the particular radar based precipitation estimate and the particular radar based precipitation estimate error at the non-gauge location.

US Pat. No. 10,338,273

ADJUSTABLE KARST UNDERGROUND WATER AND SOIL LOSS SIMULATION APPARATUS

Guizhou Normal University...

1. An adjustable simulation apparatus for simulating karst underground water and soil loss, comprisinga simulated earth surface layer positioned on an upper part of the apparatus and a simulated underground layer positioned on a lower part of the apparatus; wherein
the simulated earth surface layer comprises a surface runoff region, a vegetation buffer layer, a rainfall simulation device, a bare rock-soil layer, a ponor, a slope adjuster and permeable layers; the simulated underground layer comprises an underground river emergence point, a water receiving port, a glass perspective plate, a movable chassis and a waterproof base layer;
the surface runoff region is positioned at an inner side of the apparatus; the vegetation buffer layer is distributed sporadically on the bare rock soil layer; the rainfall simulation device is positioned at the uppermost end of the apparatus; the slope adjuster is positioned below the permeable layers and adjusts a slope of the permeable layers to be 0-15 degrees according to a simulation need; and the water receiving port is connected with the movable chassis such that the movable chassis and the water receiving port are removably attached to the apparatus.

US Pat. No. 10,338,272

ESTIMATING SOIL PROPERTIES WITHIN A FIELD USING HYPERSPECTRAL REMOTE SENSING

The Climate Corporation, ...

1. A computer-implemented method comprising:using a soil preprocessing module in a server computer system, receiving one or more soil spectrum data records from hyperspectral sensors that represent a mean soil spectrum of a specific geo-location of a specified area of land;
using the soil preprocessing module, removing interference signals from the one or more soil spectrum data records to create one or more soil spectral bands, wherein the interference signals include at least one of a baseline drift effect, particle deviation, and surface heterogeneity;
using a soil regression module, predicting a plurality of soil property datasets based upon the one or more soil spectral bands;
using the soil regression module, selecting one or more specific soil property datasets from the plurality of soil property datasets to represent soil properties of the specific geo-location, based on a quality score, wherein the specific soil property datasets include property data and spectral band data for spectral bands used to determine the property data
using the soil regression module, sending the one or more specific soil property datasets to a soil database repository for generating a crop prescription that includes a recommended hybrid seed line or population density.

US Pat. No. 10,338,271

RESERVOIR GRID CONVERSION FOR SCALING STRAIN

Schlumberger Technology C...

1. One or more computer-readable non-transitory media comprising computer-executable instructions stored therein to instruct a computing system to:acquire data of a geological reservoir wherein the data comprise field data captured electronically via one or more data acquisition techniques;
for a given time, solve the elastic wave equation in tensorial form for a geological reservoir model of the geological reservoir subject to stated conditions to provide a solution that comprises strain-related displacements associated with resource production from the geological reservoir wherein the data provide for, at least in part, one or more of the stated conditions and;
adjust a grid associated with the geological reservoir model based at least in part on the strain-related displacements, wherein the adjusted grid represents changes in the geological reservoir; and
issue an instruction to adjust an actuator associated with an operation performed on the geological reservoir based at least in part on the represented changes in the geological reservoir.

US Pat. No. 10,338,270

SENSING SYSTEMS AND METHODS WITH PHASE UNWRAPPING BASED ON A DYNAMIC PHASE CHANGE MODEL

HALLIBURTON ENERGY SERVIC...

1. A system, comprising:distributed sensors;
a receiver that receives signals from the distributed sensors and that produces one or more interferometry signals from the received signals;
a digitizer to digitize each of the one or more interferometry signals; and
at least one processing unit that processes each digitized interferometry signal to obtain unwrapped phase information and related parameter values, wherein the unwrapped phase information is obtained based on a comparison of a current phase measurement with a reference phase predicted using a dynamic phase change model that includes a phase change acceleration component.

US Pat. No. 10,338,269

METHOD AND X-RAY INSPECTION SYSTEM, IN PARTICULAR FOR NON-DESTRUCTIVELY INSPECTING OBJECTS

1. A method for the nondestructive inspection of an object, wherein electromagnetic radiation is passed through the object and intensity values of unabsorbed beams are measured and evaluated, the method comprising the following steps:generating a three-dimensional data set in which a first material quantity value corresponding to a first material property of the object is associated in each case with individual spatial elements of the object by means of a computed tomography method employing a first X-ray unit including at least one first radiation source and an associated first generally L-shaped detector unit;
determining an inspection space, in the three-dimensional data set representing the object, which has spatial elements whose first material quantity value is in a predetermined value range;
deriving values, based on the three-dimensional data set, which in each case correspond to a spatial geometric quantity of the inspection space in a predetermined projection direction;
generating a two-dimensional data set in which a second material quantity value corresponding to a second material property of the object is associated in each case with individual surface elements of the object, based on a surface projection of the object in the predetermined projection direction by means of a two-dimensional X-ray method employing at least one second X-ray unit with at least one second radiation source and an associated second generally L-shaped detector unit, the second detector unit including a first detection portion in a first plane and a second detection portion in a second plane, the first plane being distinct from the second plane, the generally second L-shaped detector unit being arranged in a different direction than the first generally L-shaped detector unit;
determining an inspection area in the two-dimensional data set by computing a projection of the inspection space into the two-dimensional data set, corresponding to the predetermined projection direction; and
transferring the derived values of the spatial geometric quantity into corresponding surface elements of the projection.

US Pat. No. 10,338,268

APPARATUS AND METHOD FOR OBTAINING T2 DISTRIBUTION

HALLIBURTON ENERGY SERVIC...

1. A method for determining earth formation rock and fluid properties comprising:providing a data acquisition tool, the data acquisition tool comprising:
one or more nuclear magnetic resonance (NMR) sensors, a data acquisition processor communicatively coupled with the one or more NMR sensors, and
a first memory communicatively coupled with the data acquisition processor;
lowering the data acquisition tool to a desired location within a wellbore;
receiving, at the data acquisition tool, data of earth formation fluid;
transmitting the acquired data to a data processing unit communicatively coupled with the data acquisition tool, the data processing unit comprising a data processor and a second memory;
obtaining, from the acquired data, at least one fully polarized state echo train (EFR) and at least one partially polarized state echo train burst (EPR), wherein the at least one EPR includes a plurality of partially polarized bins and a plurality of fully polarized bins;
inverting the at least one EPR to obtain an apparent transverse relaxation time (T2app) distribution, wherein the T2app distribution includes fully polarized state echo train data and partially polarized state echo train data;
truncating the T2app distribution by discarding the partially polarized T2app bins;
completing a forward model of the EPR to obtain at least one additional echo train burst (EFR_B) having only fully polarized bins;
performing a second, simultaneous inversion on the at least one EFR and the at least one EFR_B obtained from the forward model, the second inversion providing a T2 distribution and a total porosity level;
determining, at the data processor, earth formation fluid properties based on the second inversion.

US Pat. No. 10,338,267

FORMATION PROPERTIES FROM TIME-DEPENDENT NUCLEAR MAGNETIC RESONANCE (NMR) MEASUREMENTS

SCHLUMBERGER TECHNOLOGY C...

1. A method, comprising:providing a nuclear magnetic resonance (NMR) logging tool and disposing the NMR logging tool in a wellbore traversing a formation at some desired depth adjacent a low-permeability portion of the formation;
providing an upper packer and a lower packer;
actuating the upper packer and the lower packer to hydraulically isolate a section of the wellbore adjacent the low permeability portion of the formation and form a cavity between the NMR logging tool and the wall of the isolated section of the wellbore;
evacuating the cavity until a first desired pressure within the cavity is attained;
injecting gas into the cavity until a second desired pressure within the cavity is attained, said second desired pressure being different than said first desired pressure;
making a plurality of NMR measurements using the NMR logging tool on a region of the formation penetrated by the wellbore and adjacent the isolated section of the wellbore, each of the plurality of measurements being made at different times; and
inferring one or more properties of the formation using the plurality of NMR measurements.

US Pat. No. 10,338,266

EMU IMPULSE ANTENNA FOR LOW FREQUENCY RADIO WAVES USING GIANT DIELECTRIC AND FERRITE MATERIALS

Saudi Arabian Oil Company...

1. A method for emitting pulses of electromagnetic energy with an electromagnetic energy source, the method comprising:providing the electromagnetic energy source having:
a sonde assembly including a first section axially aligned with, and spaced from, a second section;
an energy storage capacitor including an electrode mounted in each of the first section and the second section of the sonde assembly and a capacitive charge storage medium mounted in each of the first section and the second section of the sonde assembly and surrounding the electrode, where the capacitive charge storage medium is a giant dielectrics and giant permeability ferrite; and
a fast-closing switch located between the electrodes of the first section and the second section; and
charging the energy storage capacitor to cause the fast-closing switch to close and pulses of electromagnetic energy to be emitted from the electromagnetic energy source.

US Pat. No. 10,338,265

USING AN ARRAY OF SENSORS BETWEEN TWO TRANSMITTERS IN AN EDDY CURRENT LOGGING ENVIRONMENT

HALLIBURTON ENERGY SERVIC...

1. A magnetic imaging tool comprising:a body comprising at least two transmitters to transmit signals; and
an array of sensors coupled to the body to obtain eddy current responses to the signals from downhole tubulars,
wherein the array of sensors is located axially between two transmitters that produce magnetic fields with opposite orientations and is extendable and retractable to obtain eddy current responses in different diameters of downhole tubulars.

US Pat. No. 10,338,264

EMU IMPULSE ANTENNA WITH CONTROLLED DIRECTIONALITY AND IMPROVED IMPEDANCE MATCHING

Saudi Arabian Oil Company...

1. A method for emitting pulses of electromagnetic energy with an electromagnetic energy source, the method comprising:providing the electromagnetic energy source having:
a sonde assembly;
an energy storage capacitor including an electrode mounted in the sonde assembly and operable to generate an electric field, and a capacitive charge storage medium surrounding the electrode;
a communication cable extending through a tubular member to the electrode; and
a fast-closing switch positioned such that when the fast-closing switch is in a closed position, a circuit is formed that discharges the electrode; and
charging the energy storage capacitor to cause the fast-closing switch to close and pulses of electromagnetic energy to be emitted from the electromagnetic energy source.

US Pat. No. 10,338,263

SIGNAL PROCESSING FOR A CABLE LOCATING INSTRUMENT

Metrotech Corporation, S...

1. A mobile cable locating instrument comprising:one or more antennas configured to detect magnetic fields radiating from a cable;
one or more audiovisual components configured to provide, to a user of the mobile cable locating instrument, one or more audiovisual representations of a locate signal for locating the cable, the locate signal being associated with one or more of a power mode signal and a radio mode signal associated with the cable; and
a combined filter connected to the one or more antennas and the one or more audiovisual components to receive an input value based on the detected magnetic fields from the one or more antennas and provide the power mode signal and the radio mode signal to the one or more audiovisual components, simultaneously, the combined filter comprising:
a half-band finite-input response (FIR) filter coupled to the one or more antennas, having a structure of taps with an odd number of taps, numbered 0 through N, where N is an even number, and a median tap, the median tap being one of the odd number of taps, wherein filter coefficients for each odd numbered tap is zero, the half-band FIR response filter providing a filter value from the input value;
a right shifter that is connected to the FIR filter, receives a median value from the median tap and shifts the median value right by one bit to provide a half median value;
an adder that is connected to the FIR filter and the right shifter, adds the filter value and the half median value to provide a low-pass filter value, the low-pass filter value corresponding to the power mode signal; and
a subtractor that is connected to the FIR filter and the right shifter, subtracts the half median value from the filter value to provide a high-pass filter value, the high-pass filter value corresponding to the radio mode signal.

US Pat. No. 10,338,262

ELECTROMAGNETIC RECEIVER TRACKING AND REAL-TIME CALIBRATION SYSTEM AND METHOD

CGG SERVICES SAS, Massy ...

1. An electromagnetic (EM) system for measuring EM signals, the EM system comprising:a survey EM transmitter for generating survey EM signals within a first frequency range;
a tracking reference frame;
plural tracking EM transmitters for generating tracking signals within a second frequency range, wherein the plural tracking EM transmitters are rigidly attached to the tracking reference frame; and
a receiver section, including a receiver housing and a receiver, that measures both the survey EM signals and the tracking signals,
wherein the receiver housing is attached with a connecting mechanism to the tracking reference frame so that the receiver housing freely translates and rotates in all directions.

US Pat. No. 10,338,261

MEASUREMENT OF MAGNETIC FIELD GRADIENTS

Raytheon Company, Waltha...

16. A system for determining a magnetic field gradient, the system comprising:a vector magnetometer operable to measure the magnetic field gradient for specific positions on the Earth;
a gyroscope, coupled to the vector magnetometer, that is operable to generate a correction value to compensate for error in the magnetic field gradient; and
one or more processors operable to:
identify the magnetic field gradient;
identify the correction value; and
apply the correction value to the magnetic field gradient,
wherein the vector magnetometer and the gyroscope are onboard a moving platform,
wherein the correction value received from the gyroscope comprises a relative rotation matrix and is applied to the magnetic field gradient to relate a coil vector magnetometer antenna and an airframe body coordinate system to compensate for high frequency airframe vibrations that causes disorientation of the inductive coil vector magnetometer.

US Pat. No. 10,338,260

METAL DETECTION APPARATUS AND METAL DETECTION METHOD

ANRITSU INFIVIS CO., LTD....

1. A metal detection apparatus for detecting foreign metal being contained in an article which is an inspection object, the metal detection apparatus comprising:a table for placing the article;
magnetic field generation means for generating a magnetic field for inspection over an upper surface with a predetermined largeness of the table on which the article is placed from a lower region of the table which overlaps the upper surface;
a magnetic sensor portion comprising at least one magnetic sensor and which is disposed in the lower region of the table and detects a near magnetic field with a sensing area narrower than the lower region;
scanning means for moving a location of the magnetic sensor portion from a first stand-by position to a second stand-by position so that the sensing area of the magnetic sensor portion covers the entire lower region of the table; and
determination means for determining presence or absence of the foreign metal being contained in the article placed on the table on the basis of a change in a magnetic field being detected by the magnetic sensor portion being moved by the scanning means.

US Pat. No. 10,338,259

SURGICAL ADAPTER ASSEMBLIES AND WIRELESS DETECTION OF SURGICAL LOADING UNITS

Covidien LP, Mansfield, ...

1. An adapter assembly, comprising:an elongated body having a proximal portion and a distal portion, wherein the proximal portion is configured to couple to a handle assembly and the distal portion is configured to couple to a loading unit assembly;
an oscillator disposed within the elongated body and configured to output a voltage signal; and
a sensor disposed within the elongated body and configured to determine a connection status of a loading unit assembly coupled to the elongated body based on a change in the voltage signal.

US Pat. No. 10,338,258

MARINE SEISMIC SURVEYING

SHELL OIL COMPANY, Houst...

1. A marine seismic surveying system comprising:a plurality of seismic receivers;
a propelled vessel comprising a navigation control system arranged to steer the propelled vessel;
a seismic source assembly attached to the propelled vessel with a towing line, the seismic source assembly comprising:
a float;
a seismic source suspended from the float; and
a source global positioning system installed on the float; and
a computer system, in communication with the navigation control system of the propelled vessel and with the global positioning system of the seismic source assembly, and arranged to instruct the navigation control system to steer the propelled vessel in response to no other position information than position information repetitively generated by the source global positioning system to navigate the seismic source assembly to a target location, and to trigger activation of the seismic source when the seismic source is located within a pre-determined distance from the target location.

US Pat. No. 10,338,257

METHOD AND SYSTEM FOR SIMULTANEOUS SEISMIC DATA ACQUISITION OF MULTIPLE SOURCE LINES

CGG SERVICES SAS, Massy ...

1. A method for seismic data acquisition, the method comprising:simultaneously towing
N seismic sources along source lines that are at a source cross-line distance D there-between, the source cross-line distance being equal to or larger than an illumination width, with N?2, and
a streamer spread, which has a spread cross-line width L equal to or larger than (N+1) times the source cross-line distance, wherein each of the N seismic sources is towed in a middle of a respective illumination-width segment that sweeps an individual area inside an area swept by the streamer spread, at least one of the N seismic sources is towed over the streamer spread and at least another one of the N seismic sources is towed ahead of the streamer spread; and
acquiring seismic data corresponding to underground reflections of seismic waves generated by the N sources while the streamer spread is towed along a sail line,
wherein individual areas swept by different illumination-width segments do not overlap.

US Pat. No. 10,338,256

DEMULTIPLE USING UP/DOWN SEPARATION OF TOWED VARIABLE-DEPTH STREAMER DATA

CGG SERVICES SAS, Massy ...

1. A method for processing recorded data acquired using a variable-depth streamer, the method comprising:receiving the recorded data acquired using the variable-depth streamer;
applying wavefield separation to the recorded data using a processor, at a locus of the variable-depth streamer, to obtain an up-going wavefield and a down-going wavefield at the locus of the variable-depth streamer;
extrapolating the up-going wavefield and the down-going wavefield from the locus of the variable-depth streamer to a predetermined datum, different from the locus of the variable-depth streamer;
calculating multiples by removing the extrapolated down-going wavefield at the predetermined datum from the extrapolated up-going wavefield at the predetermined datum;
extrapolating the multiples at the locus of the variable-depth streamer;
removing the extrapolated multiples from the up-going wavefield at the locus of the variable-depth streamer to obtain a primary dataset; and
generating an image of a geological formation under the seabed using (1) the primary dataset, and/or (2) the multiples.

US Pat. No. 10,338,255

NOISE ATTENUATION

PGS Geophysical AS, Oslo...

1. A method for attenuating noise in marine seismic survey data, comprising:receiving, by a machine, marine seismic survey data recorded near-continuously by a plurality of receivers, wherein the near-continuously recorded seismic data is indicative of a subterranean formation and includes a first near-continuous measurement of a wavefield and a second near-continuous measurement of the wavefield;
equalizing the first near-continuous measurement of a wavefield and the second near-continuous measurement of the wavefield recorded from a marine seismic survey;
collapsing a coherent portion of the equalized second near-continuous measurement by:
inverting the equalized first near-continuous measurement;
deriving a collapsing operator from the inverted first near-continuous measurement; and
applying the collapsing operator to the equalized second near-continuous measurement;
deriving a noise model; and
attenuating noise in the second near-continuous measurement using the noise model.

US Pat. No. 10,338,254

SYSTEMS AND METHODS FOR MULTI-VOLUME DIRECTIONAL DE-NOISING

CGG SERVICES SAS, Massy ...

1. A method for performing directional de-noising on seismic data recorded by seismic receivers detecting seismic waves emerging from a geophysical structure, the method comprising:receiving a seismic dataset, wherein the seismic dataset includes a model dataset and an input dataset to filter;
decomposing the model dataset into a plurality of model directions;
identifying which of the model directions to keep;
mapping the input dataset along the identified model directions resulting in a filtered output; and
generating an image of the geophysical structure based on the filtered output, for assessing presence of oil and/or gas reservoirs.

US Pat. No. 10,338,253

METHOD OF SUPPRESSING SPECTRAL ARTEFACTS OF WAVEFIELD DECOMPOSITION CAUSED BY IMPERFECT EXTRAPOLATION

PGS Geophysical AS, Oslo...

24. A system for increasing clarity of geologic features represented in a data set having a finite aperture by removing spectral artefacts from the data set comprising:a tapering means for adding a taper to the data set at a boundary of the finite aperture using an extrapolation and a first window function to form a tapered data set;
a modeling means for creating a model of the taper for the data set using a second window function,
a filtering means for:
performing a spectral filtering operation on the tapered data set to form a filtered data set, wherein the filtered data set has spectral artefacts arising from the taper; and
performing the spectral filtering operation on the model of the taper to form a model of the spectral artefacts; and
a subtracting means for adaptively subtracting the model of the spectral artefacts from the filtered data set to form a product data set.

US Pat. No. 10,338,252

SYSTEMS AND PROCESSES FOR BUILDING MULTIPLE EQUIPROBABLE COHERENT GEOMETRICAL MODELS OF THE SUBSURFACE

Emerson Paradigm Holding ...

12. A method for identifying erroneous points in a subsurface geological model of the subsurface of the Earth, the method comprising:receiving geological data representing a current configuration of the subsurface of the Earth, wherein said geological data is seismic data produced in a three-dimensional field by a transmitter emitting seismic waves that reflect at geological discontinuities throughout the subsurface of the Earth and a receiver receiving the reflected seismic waves that correspond to the seismic waves output by the transmitter;
determining a set of data points of the subsurface geological model at which a geological-time of deposition has a maximum or minimum value in a set of local regions in a studied geological domain;
displaying the subsurface geological model on a user interface, wherein the subsurface geological model comprises symbols visually indicating on a display that each data point in the determined set of data points has a maximum or minimum value of the geological-time of deposition;
accepting input from a user, via a user interface, to refine the set of data points by adding or removing data points in the set of data points; and
displaying a subsurface geological model of the subsurface of the Earth generated using the refined set of data points.

US Pat. No. 10,338,251

METHOD AND APPARATUS FOR DIRECTIONAL DESIGNATURE

CGG SERVICES SAS, Massy ...

1. A method for seismic exploration of a formation under the seafloor, the method comprising:receiving marine seismic data recorded by receivers towed above the formation following shots of a source;
for each of the shots,
calculating azimuth angles and take-off angles relative to the source for records in the marine seismic data, acquired by different among the receivers,
obtaining a source signature related to the shot and dependent on the azimuth angles and the take-off angles, and
applying a directional designature to the records using the source signature; and
generating an image of the formation using data obtained by applying shot-by-shot the directional designature, to assess whether oil and/or gas reservoirs are present in the formation.

US Pat. No. 10,338,250

METHOD OF REMOVING INCOHERENT NOISE

PGS Geophysical AS, Oslo...

1. A method of removing incoherent noise from a raw data set stored on a computer and containing information indicative of a geology of earth strata, comprising:using an integral transform operation means to create and store a patterned data set from the raw dataset, wherein:
the raw data set represents seismic waves resulting from designed seismic perturbations from one or more seismic sources and comprises pressure readings by a plurality of receivers, and
the integral transform operation means transforms incoherent noise features in the raw data set into artefacts having an identifiable structure in the patterned data set;
using a modeling means to construct and store a model data set from the raw data set, wherein:
the model data set contains the incoherent noise features from the raw data set, and
the model data set, when subjected to the integral transform operation means, produces artefacts similar to the artefacts in the patterned data set;
using the integral transform operation means to create and store an incoherent noise model from the model data set;
constructing and storing a scaling and energy minimizing filter from the patterned data set and the incoherent noise model;
applying the scaling and energy minimizing filter to the incoherent noise model to create and store a filtered incoherent noise model that is scaled with an exponential function of depth depending on an arrangement of the one or more seismic sources and the plurality of receivers; and
adaptively subtracting the filtered incoherent noise model from the patterned data set to create and store a transformed data set with the incoherent noise features removed.

US Pat. No. 10,338,249

PROCESSING SEISMIC ATTRIBUTES USING MATHEMATICAL MORPHOLOGY

Schlumberger Technology C...

1. A computer-implemented method for processing seismic data, comprising:receiving a seismic data set associated with a domain representing a subterranean volume, wherein the seismic data set is collected using a geophone and a seismic wave generator;
calculating a seismic attribute associated with the domain from the seismic data set; and
performing one or more mathematical morphology operations on the seismic attribute to generate a processed attribute associated with the domain, wherein performing the one or more mathematical morphology operations comprises:
performing a first mathematical morphology operation on the seismic attribute to generate an intermediate attribute, wherein performing the first mathematical morphology operation comprises:
selecting a subject element from a matrix of elements representing the domain; and
defining a local subset of the matrix of elements, wherein defining the local subset comprises applying a morphological structuring operator having a shape and a dimension; and
performing a second mathematical morphology operation on the intermediate attribute to generate the processed attribute, wherein the second mathematical morphology operation comprises a pseudo-inverse of the first mathematical morphology operation.

US Pat. No. 10,338,248

METHOD FOR PROCESSING SEISMIC IMAGES

TOTAL SA, Courbevoie (FR...

1. A method for processing a reference seismic image of a medium and a control seismic image of said medium, the reference seismic image comprising at least one seismic trace expressed in a depth scale and the control seismic image comprising at least one seismic trace expressed in the depth scale, the method comprising:a) receiving the reference seismic image and the control seismic image;
b) defining at least one first planar capture level situated on one trace from among the at least one seismic trace of the reference seismic image and the at least one seismic trace of the control seismic image, and at least one second planar capture level on the at least one seismic trace of the reference seismic image, said first planar capture level being defined above a first disturbance of said medium;
c) transforming a continuous portion of the at least one seismic trace of the control seismic image by demigration on the at least one first planar capture level by means of an original velocity model, into a transformed control seismic trace described in a time scale;
d) transforming a continuous portion of the at least one seismic trace of the reference seismic image comprising the at least one second planar capture level by demigration and datuming operations on the at least one second planar capture level by means of a current velocity model, into a transformed reference seismic trace portion described in the time scale;
e) correcting the portion of the transformed control seismic trace by calibration on the at least one second planar capture level by means of the current velocity model in a new transformed control seismic trace portion described in the time scale said calibration being a transformation by datuming operation;
f) determining an optimised current velocity model by the addition, to the current velocity model, of a correction factor for the current velocity model determined from an offset in time between the portion of the transformed reference seismic trace and the new transformed control seismic trace portion; and
g) monitoring a change over time in the imaged medium of oil/gas reservoirs in a subsoil based on said optimized current velocity model.

US Pat. No. 10,338,247

MICROSEISMIC MONITORING SENSOR UNCERTAINTY REDUCTION

Halliburton Energy Servic...

1. A method, comprising:receiving, by a computing device, information about—a plurality of sensors that are monitoring a subterranean formation subsequent to a fracturing fluid being introduced into the subterranean formation, the information including a location of each sensor of the plurality of sensors;
receiving, by the computing device, information about a microseismic event in the subterranean formation being monitored by the plurality of sensors;
determining, by the computing device, a seismic ray path between a location of the microseismic event and each sensor of the plurality of sensors;
determining, by the computing device, an uncertainty value of the location of the microseismic event based on information about the subterranean formation and the information about the plurality of sensors;
determining, by the computing device, a total uncertainty value of the locations of a plurality of microseismic events that include the microseismic event;
determining, by the computing device, a solution of an objective function that is based on the total uncertainty value and a number of sensors; and
determining, by the computing device and based on the solution, a new location to move at least one sensor of the plurality of sensors.

US Pat. No. 10,338,246

METHOD AND SYSTEM FOR MICROSEISMIC EVENT WAVEFRONT ESTIMATION

Seismic Innovations, Men...

1. A method of analyzing a microseismic event, comprising:receiving a plurality of traces associated with the microseismic event that were respectively generated by a plurality of sensors disposed underground;
processing the plurality of traces to obtain a respective plurality of sets of samples that are time-aligned in accordance with a respective estimate of arrival time of a wavefront associated with the microseismic event at each of the plurality of sensors; and
decomposing the plurality of sets of samples into a respective plurality of sets of one or more basis waveform shapes and corresponding sensor weights to form an estimate of the wavefront at the sensors while suppressing background noise associated with the traces,
wherein the plurality of traces are associated with a microseismic survey of a subsurface region, and wherein the estimate of the wavefront associated with the microseismic event assists in analyzing the microseismic survey.

US Pat. No. 10,338,245

METHODS AND SYSTEMS OF DETECTING A MICROSEISMIC EVENT USING AN ITERATIVE NON-LINEAR INVERSION ALGORITHM

CGG SERVICES SAS, Massy ...

1. A method for detecting microseismic events and using the detected microseismic events to monitor an oil and/or gas exploration or exploitation site, the method comprising:determining a spatial region for analysis;
for each potential microseismic event,
selecting a segment of time for analysis,
analyzing and correcting a plurality of traces acquired by a plurality of receivers placed over the spatial region during the segment of time using an iterative nonlinear inversion algorithm, wherein each iteration of the non-linear algorithm corrects the plurality of traces using at least one set of parameters defining the potential microseismic event, each set of the at least one set of parameters comprising at least one position and at least one focal mechanism parameter,
determining whether a final stack value of the plurality of traces corrected based on the at least one set of parameters of a final iteration of the iterative non-linear inversion algorithm exceeds a predetermined threshold, and
if the final stack value exceeds the predetermined threshold, establishing that an actual microseismic event defined by the at least one set of parameters of final iteration has been detected;
generating an image depicting the at least one position of one or more established actual seismic events;
optimizing hydraulic fracturing based on the image.

US Pat. No. 10,338,244

FWI WITH AREAL AND POINT SOURCES

ExxonMobil Upstream Resea...

1. A method, comprising:performing, with a computer, up/down separation of geophysical data, which produces an approximate up-going wavefield and an approximate down-going wavefield;
creating a hybrid areal source based at least in part on the down-going wavefield; and
performing, with a computer, a full wavefield inversion process with the hybrid areal source, and an objective function measuring a misfit between modeled up-going wavefields and recorded up-going wavefields, wherein the full wavefield inversion process generates a final subsurface physical property model for hydrocarbon exploration.

US Pat. No. 10,338,243

INTERPRETATION OF SEISMIC SURVEY DATA USING SYNTHETIC MODELLING

Foster Findlay Associates...

1. A computer implemented method for generating an enhanced visual representation of a zone of interest from 3D seismic data to improve seismic data and mapping accuracy of subterranean layers of the zone of interest, where effects of varying petrophysical properties, including stratigraphic thickness and water/hydrocarbon saturation, on spectral interference patterns would otherwise result in an inaccurate mapping, the method comprising the steps of:(a) obtaining the 3D seismic data set from a predetermined region;
(b) selecting the zone of interest from said 3D seismic data set;
(c) determining a frequency spectrum of said zone of interest;
(d) performing a spectral decomposition into magnitude responses of a plurality of predetermined frequencies for said frequency spectrum;
(e) generating a synthetic model representative of said zone of interest defined in a four dimensional space, wherein a first variable parameter is defined in a first dimension of said four dimensional space, and a second variable parameter is defined in at least one of a second and third dimension of said four dimensional space, wherein the first variable parameter is stratigraphic thickness and the second variable parameter is water/hydrocarbon saturation, and wherein a third variable parameter is defined in a fourth dimension of said four dimensional space, the third variable being adapted to provide a change of said magnitude responses of said zone of interest within a predetermined time period;
(f) performing seismic modelling for said synthetic model on a frequency band that matches that of the 3D seismic data set, generating a synthetic seismic data set representing a seismic response of said synthetic model;
(g) determining a frequency spectrum of said synthetic seismic data set and performing spectral decomposition of said frequency spectrum into magnitude responses of a plurality of predetermined frequencies;
(h) calibrating said synthetic model using petrophysical measurements indicative of the petrophysical properties of said zone of interest, the calibrating including correlating seismic reflection strength to the water/hydrocarbon saturation of the zone of interest given the petrophysical measurements;
(i) projecting said frequency spectrum of said synthetic seismic data set onto a horizon or slice of said synthetic model;
(j) generating a parameter cross plot of the magnitude responses of said projected frequency spectrum with respect to values of said first variable parameter and said second variable parameter that corresponds to the projection onto the horizon or slice;
(k) identifying correlations between points of the cross plot and magnitude response values of the spectral decomposition of said zone of interest of said 3D seismic data set;
(l) assigning, based on said identified correlations, values of said first and said second variable parameter to said zone of interest of said 3D seismic data set; and
(m) generating the enhanced visual representation of the zone of interest of the 3D seismic data set according to the identified correlations, the enhanced visual representation providing improved accuracy of the 3D seismic data set with respect to the stratigraphic thickness and the water/hydrocarbon saturation.

US Pat. No. 10,338,242

SURFACE WAVE TOMOGRAPHY USING SPARSE DATA ACQUISITION

ConocoPhillips Company, ...

1. A method for monitoring a frozen subsurface structure to detect thawing-related problems, the method comprising:obtaining seismic data;
estimating travel time or phase delay or both of Rayleigh waves in the seismic data at a central frequency;
performing tomography to the travel time or the phase delay estimated at the central frequency to obtain a slice of seismic velocity at the central frequency;
repeating the estimating of the travel time or phase delay or both and the performing of the tomography to the travel time or the phase delay for a range of central frequencies;
performing a dispersion inversion on slices of seismic velocity for the range of central frequencies to obtain a 3-D velocity cube in depth, the 3-D velocity cube in depth providing an indication of thawing of the frozen subsurface structure; and
monitoring the thawing of the frozen subsurface structure via repeating at least the obtaining of the seismic data every day, every few days, or bi-weekly to determine a progression of the thawing.

US Pat. No. 10,338,241

SEISMIC SWEEP USING ODD ORDER HARMONICS

CGG SERVICES SAS, Massy ...

1. A method for generating a seismic signal, comprising:generating a vibrator control signal having both a fundamental component and one or more odd order harmonic components defined as 2i+1, with i an integer equal to or larger than 1; and
applying the vibrator control signal to a vibrator which generates a seismic signal based on the vibrator control signal, the seismic signal being transmitted into ground or water,
wherein an amount of the one or more odd order harmonic components added to the vibrator control signal is determined based on one or more characteristics of the vibrator used to generate the seismic signal,
wherein the one or more odd order harmonic components is selected from a group of odd order harmonics with i ranging from 1 to 10.

US Pat. No. 10,338,240

METHOD AND SEISMIC VIBRATOR GUIDANCE SYSTEM BASED ON A FIELD ACQUIRED TRAJECTORY

CGG SERVICES SAS, Massy ...

1. A method for modifying a given path to be followed by a source during a 4-dimensional (4D) seismic survey, the method comprising:receiving the given path, comprising given shooting positions, at a control device on board a vehicle that caries the source, each given shooting position specifying a geographical location along the given path where the source is shot;
during a first seismic survey that is a baseline survey for the 4D seismic survey,
driving the vehicle around an obstacle that is encountered while following the given path, which results in deviating the vehicle from the given path, thus generating a new path, the new path comprising at least one new shooting position corresponding to one of the given shooting positions and
updating the given path, based on the new path, when a deviation condition is met,
wherein the given path is not further updated during any seismic survey of the 4D seismic survey subsequent to the baseline seismic survey.

US Pat. No. 10,338,239

DETECTOR IN AN IMAGING SYSTEM

SHANGHAI UNITED IMAGING H...

1. A method for evaluating a working condition of a photodetector of a detector in an imaging device comprising:receiving radiation by the detector in response to which a plurality of single events occur, wherein the detector includes a scintillator and the radiation is generated by a background radiation of the scintillator;
generating, by the photodetector, an electronic signal relating to the plurality of single events;
determining a parameter of the electronic signal relating to a photon energy spectrum of the plurality of single events; and
evaluating the working condition of the photodetector based on the parameter.

US Pat. No. 10,338,238

X-RAY DETECTOR AND X-RAY IMAGING APPARATUS HAVING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. An X-ray detector configured to detect X-rays irradiated from an X-ray source, the X-ray detector comprising:a top frame that includes a first area having an active area which is biased from a center of the first area and a second area which is bent from the first area;
a side frame that includes a top frame resting part which is formed in an outer surface which faces an outside of the X-ray detector and on which the second area rests, the side frame being coupled with the top frame to form an accommodation space, the side frame including a first side edge and a second side edge opposite to the first side edge; and
a sensor panel disposed in the accommodation space and configured to convert the detected X-rays into an electrical signal, a location of the sensor panel being biased from the center of the first area to correspond to the active area, and
wherein the sensor panel is biased, in a width direction of the X-ray detector, towards the first side edge of the side frame so that a distance between the first side edge of the side frame and one side of the sensor panel which faces the first side edge of the side frame is smaller than a distance between the second side edge of the side frame and the other side of the sensor panel which faces the second side edge of the side frame.

US Pat. No. 10,338,237

INDUCTIVE RADIATION DETECTOR

1. A radiation detector comprising:a block of a material capable of interacting with radiation to produce charge carriers;
an inductor positioned adjacent to the block and having an inductance that depends on a number of the charge carriers in the block; and
a circuit coupled to sense a change in the inductance and detect the radiation based on the change.

US Pat. No. 10,338,236

RADIATION DETECTION APPARATUS AND METHOD, DATA PROCESSING METHOD AND PROCESSOR

NUCTECH COMPANY LIMITED, ...

1. A radiation detection apparatus, comprising:a radiation detector which generates an electrical signal by interacting with X-rays;
an Analog-to-Digital Converter (ADC) which is coupled to the radiation detector and converts the electrical signal to a waveform data;
a data processor which determines the number of single photon signals according to the waveform data from the ADC, and determines whether an integral signal and/or a count signal of the waveform data will be used for imaging according to the number of the single photon signals, comprising: using the integral signal of the waveform data as an imaging signal to perform imaging if the number of the single photon signals is less than a predetermined lower threshold, and using the count signal of the waveform data as an imaging signal to perform imaging if the number of the single photon signals is greater than a predetermined upper threshold; and
an imaging apparatus which:
performs imaging according to the integral signal of the waveform data when the number of the single photon signals is less than the
predetermined lower threshold; and
performs imaging according to the count signal of the waveform data when the number of the single photon signals is greater than the
predetermined upper threshold.

US Pat. No. 10,338,235

RADIATION DETECTOR

SHIMADZU CORPORATION, Ky...

1. A radiation detector, comprising:a scintillator configured to convert radiation into a fluorescent emission;
a data monitoring portion configured to continuously output instantaneous intensity data indicating an instantaneous intensity of a fluorescent emission at each time of detection in a course from production of the fluorescent emission that is produced through incidence of radiation on the scintillator, through decay of the fluorescent emission; and
a summing portion configured to calculate a summation value indicating an intensity of the fluorescent emission produced in the scintillator through summing the instantaneous intensity data for fluorescent emission intensities that are greater than a threshold value, without summing the instantaneous intensity data for fluorescent emission intensities that are less than the threshold value.

US Pat. No. 10,338,234

RADIOGRAPHIC IMAGE CAPTURING DEVICE

KONICA MINOLTA, INC., To...

1. A radiographic image capturing device comprising:a sensor substrate having one surface on which a plurality of light-receiving elements are two-dimensionally arranged, wherein the sensor substrate includes an electrode that is an incident plane of the light-receiving elements;
a scintillator substrate that is arranged on a side of the light-receiving elements of the sensor substrate; and
an insulating layer, comprised of an organic material, having a given refractive index formed in a region between the scintillator substrate and the electrode that is the incident plane of the light-receiving elements of the sensor substrate,
wherein no insulating layer with a refractive index different from said given refractive index is formed in said region so that said region has no interface between insulating layers that differ in refractive index.

US Pat. No. 10,338,233

ASSURED VALIDATION OF CARRIER-PHASE INTEGER AMBIGUITIES FOR SAFETY-OF-LIFE APPLICATIONS

COHERENT TECHNICAL SERVIC...

1. A method, implemented at a computer system that includes at least one processor, for performing integer ambiguity validation in carrier phase differential positioning, the method comprising:accessing a set of double-differenced pseudorange measurements of the ranges between a set of signal sources and a set of two or more receivers, the signal sources and the receivers using a carrier signal having a specified wavelength;
accessing a set of double-differenced carrier phase measurements of the changes in range between the signal sources and the receivers with range ambiguities that are integer multiples of the wavelength of the carrier signal;
combining the accessed pseudorange measurements and the carrier phase measurements, wherein the combination results in an estimate of the relative position between the receivers and float range ambiguity estimates that are not integer multiples of the wavelength of the carrier signal;
performing integer bootstrapping to produce fixed range ambiguity estimates that are integer multiples of the wavelength of the carrier signal;
establishing a validation threshold based on a statistical model of the pseudorange measurements and of the carrier phase measurements that ensures that a specified probability of correct ambiguity resolution is met;
initiating a data-driven validation on the difference between the float range ambiguity estimates and the fixed range ambiguity estimates to validate the correctness of the fixed range ambiguity estimates; and
upon determining that the fixed range ambiguity estimates are valid, correcting the estimate of the relative position between the receivers.

US Pat. No. 10,338,232

NAVIGATION SATELLITE WIDE-LANE BIAS DETERMINATION SYSTEM AND METHOD

1. A method for determining navigation satellite corrections for a plurality of satellites, to facilitate navigation by navigation receivers that receive satellite navigation signals from various subsets of the plurality of satellites, the method comprising:receiving reference receiver measurement information, including receiving, from a plurality of reference receivers at established locations, measurements of satellite navigation signals received by each of the reference receivers, wherein the satellite navigation signals received by each reference receiver of the plurality of reference receivers include satellite navigation signals at first (L1) and second (L2) frequencies;
in accordance with the received reference receiver measurement information, and in accordance with the established locations of the plurality of reference receivers, determining initial wide-lane navigation solutions for the plurality of reference receivers, the initial wide-lane navigation solutions including double-difference (DD) wide-lane fixed integer ambiguity values and single-difference (SD) wide-lane floating ambiguities;
in accordance with the initial wide-lane navigation solutions, for a constellation of n satellites in the plurality of satellites,
determining m clusters of single-difference (SD) wide-lane floating ambiguities, where m is an integer greater than one, each cluster of SD wide-lane floating ambiguities comprising pairs of SD wide-lane floating ambiguities, ?NrmSiSj and ?NrnSiSj for a respective pair of satellites, each pair of SD wide-lane floating ambiguities comprising first and second SD wide-lane floating ambiguities for a first reference receiver, rm, and a second receiver, rn, respectively, that receive satellite navigation signals from both satellites in the respective pair of satellites, wherein the SD wide-lane floating ambiguities in each pair of SD floating ambiguities have equal fractional portions, ??NrmSiSj?=??NrnSiSj?; and
determining a satellite wide-lane bias value, bWLs, for each satellite s of the n satellites, in accordance with fractional portions of the SD wide-lane floating ambiguities in the m clusters;
in accordance with the determined satellite wide-lane bias value, bWLs, for each satellite s of the n satellites, generating wide-lane navigation solutions for the plurality of reference receivers, including SD wide-lane fixed integer ambiguity values for the plurality of reference receivers; and
generating a set of navigation satellite corrections for each satellite of the n satellites, the set of navigation satellites corrections for each satellite s including a correction corresponding to the satellite wide-lane bias value, bWLs, determined for satellite s; wherein the sets of navigation satellite corrections for the n satellites are for transmission to navigation receivers for use in determining locations of the navigation receivers.

US Pat. No. 10,338,231

HARDWARE FRONT-END FOR A GNSS RECEIVER

TRIMBLE INC., Sunnyvale,...

1. A hardware front-end for a software-defined GNSS receiver, the front-end comprising:an antenna;
a first RF circuit that is coupled to and receives a first RF signal at a first RF frequency in a first frequency range from the antenna, and produces a first GNSS signal, the first RF circuit including:
a first low-noise amplifier that amplifies the first RF signal; and
a first direct conversion receiver that downconverts the first RF signal to create separate, digitized I and Q channels;
a second RF circuit that is coupled to and receives a second RF signal at a second RF frequency from the antenna, and produces a second GNSS signal, wherein the second RF frequency is significantly different than the first RF frequency and is outside of the first frequency range and wherein the first RF frequency is in the range of 1500-1635 MHz and the second RF frequency is in the range of 1200-1250 MHz, the second RF circuit including:
a second low-noise amplifier that amplifies the second RF signal;
a first bandpass filter that filters the second RF signal;
an oscillator that provides a signal at an LO frequency;
a mixer that is receptive of the second RF signal and receptive of the LO frequency signal and mixes the two signals to produce a third RF signal that is in the first frequency range; and
a second direct conversion receiver that converts the third RF signal into separate, digitized I and Q channels; and
a microcontroller that receives the separate I and Q channels from the first RF circuit and receives the separate I and Q channels from the second RF circuit and creates a digital bus signal therefrom, wherein the first direct conversion receiver generates a GNSS L1 signal and the second direct conversion receiver generates a GNSS L2 signal that has been upconverted to a frequency range of the GNSS L1 signal to allow combination of L2 information in the GNSS L2 signal with L1 information of the GNSS L1 signal provided in the digital bus signal.

US Pat. No. 10,338,230

MULTIPATH ERROR CORRECTION

Honda Motor Co., Ltd., T...

1. A system for multipath error correction, comprising:a global positioning system (GPS) component determining a first GPS position of a vehicle at a first time and a second GPS position for the vehicle at a second time;
an image capture component monitoring for a change of lane associated with the vehicle between determination of the first GPS position and the second GPS position for the vehicle; and
an error correction component calculating an updated position for the vehicle by performing a comparison between the change of lane information and the second GPS position of the vehicle and setting the updated position for the vehicle as the second GPS position.

US Pat. No. 10,338,229

METHOD AND APPARATUS FOR PROVIDING SECURE TIMING AND POSITION SYNCHRONIZATION FROM GNSS

ACCUBEAT, LTD., Jerusale...

1. A securing interface apparatus to be inserted between a GNSS antenna and a first, unsecured, GNSS receiver fed by said antenna, for providing immunity against spoofing or jamming or interrupting of the timing provided by said first unsecured GNSS receiver, said securing interface apparatus comprising:a) a second GNSS receiver, fed by said antenna and including a local oscillator and being immune against spoofing or jamming of timing, for outputting trusted timing and the last GNSS data, said second GNSS receiver including a detection module which is adapted to analyze raw RF signals received from GNSS satellites and verify the signals integrity and authenticity;
b) a GNSS Simulator, fed by said trusted timing and GNSS data, said GNSS Simulator is adapted to:
b.1) as long as said received GNSS data is found authentic, allowing said received GNSS data to reach the input of said first, unsecured, GNSS receiver;
b.2) upon detecting that said received GNSS data is not authentic, produce, using the output of said local oscillator and at least a portion of the last GNSS data, redundant simulated RF GNSS signals mimicking raw RF signals received from GNSS satellites; and
b.3) transmit said redundant simulated RF GNSS to the input of said first, unsecured, GNSS receiver.

US Pat. No. 10,338,228

PORTABLE GNSS SURVEY SYSTEM

Javad GNSS, Inc., San Jo...

1. A method comprising:at a GNSS device comprising an image sensor and a display:
adjusting a focus of the image sensor on a location of a level device mounted on a support for the GNSS device, wherein the level device has an appearance that indicates a two-dimensional tilt of the GNSS device with respect to a two-dimensional plane parallel to a ground, wherein focusing the image sensor is based on the location of the level device;
capturing a first image of a scene with the image sensor, the first image including an image of the level device;
displaying a portion of the first image that includes the image of the level device on the display;
displaying three-dimensional position information for the GNSS device and the portion of the first image together on the display; and
storing the portion of the first image.

US Pat. No. 10,338,227

GNSS SIGNAL PROCESSING WITH IONOSPHERE MODEL FOR SYNTHETIC REFERENCE DATA

Trimble Inc., Sunnyvale,...

1. A method of global navigation satellite systems (GNSS) signal processing, the method comprising:receiving, at each of a plurality of reference station receivers, code observations and carrier phase observations of GNSS signals from multiple satellites over multiple epochs, the GNSS signals having at least two carrier frequencies;
resolving a set of network ambiguities by resolving at least a widelane ambiguity per receiver-satellite pairing and a narrowlane ambiguity per receiver-satellite pairing;
determining an ionospheric delay per epoch per receiver-satellite pairing based on a total electron content (TEC) per receiver-satellite pairing provided by an ionospheric model;
estimating an ionospheric phase bias per satellite using ionospheric phase combinations of the carrier phase observations, the set of resolved network ambiguities, and the ionospheric delay per epoch per receiver-satellite pairing determined from the ionospheric model; and
transmitting the ionospheric phase bias to a rover for determining a position of the rover.

US Pat. No. 10,338,226

SYSTEM AND METHODS FOR COUNTERING SATELLITE-NAVIGATED MUNITIONS

COUNTER ECHO SOLUTIONS LL...

1. An electronic jamming system comprising:a processor; and
a memory with instructions stored thereon that when executed by the processor are operable for:
receiving information from an incoming object detector, wherein the information comprises data regarding an incoming object,
processing the information received from the incoming object detector, and
sending a command for an antenna to emit a jamming signal to disrupt a SATNAV broadcast signal potentially received by the incoming object.

US Pat. No. 10,338,225

DYNAMIC LIDAR SENSOR CONTROLLER

Uber Technologies, Inc., ...

15. An autonomous vehicle (AV) comprising:a laser imaging, detection and ranging (LIDAR) sensor to generate sensor data indicating a situational environment of the AV, the LIDAR sensor comprising a set of LIDAR components having a plurality of configurable parameters, the plurality of configurable parameters including a vertical beam parameter that is configurable to modify a vertical angular spacing between beams emitted by the LIDAR sensor;
an on-board data processing system to process the sensor data to identify potential hazards along a current route traveled by the AV;
acceleration, braking, and steering systems;
an AV control system to utilize the processed sensor data to autonomously operate the acceleration, braking, and steering systems along the current route; and
a LIDAR sensor controller to execute sensor configuration logic causing the LIDAR sensor controller to:
receive feedback data from the AV control system, the feedback data indicating a speed of the AV;
adjust one or more of the plurality of configurable parameters of the LIDAR sensor in response to the feedback data from the AV control system; and
based on the speed of the AV, dynamically adjust the vertical beam parameter of the LIDAR sensor to modify the vertical angular spacing between the beams.

US Pat. No. 10,338,224

HIGH DYNAMIC RANGE ANALOG FRONT-END RECEIVER FOR LONG RANGE LIDAR

ANALOG DEVICES GLOBAL UNL...

1. A current-pulse detection system, comprising:a transimpedance amplifier (TIA) configured to convert an input current applied to an input port of the TIA into an output voltage, and
a first clipping circuit, coupled to the input port by a rectifying element configured to, in response to a clip voltage applied to the first clipping circuit, limit a maximum value of an input voltage to the TIA to a value that exceeds a saturation threshold voltage of the TIA by no more than a turn-on voltage of the rectifying element.

US Pat. No. 10,338,223

PROCESSING POINT CLOUDS OF VEHICLE SENSORS HAVING VARIABLE SCAN LINE DISTRIBUTIONS USING TWO-DIMENSIONAL INTERPOLATION AND DISTANCE THRESHOLDING

Luminar Technologies, Inc...

1. A method for processing point clouds having variable spatial distributions of scan lines, the method comprising:receiving a point cloud frame generated by a sensor configured to sense an environment through which a vehicle is moving, the point cloud frame including a plurality of points arranged in a plurality of scan lines, the plurality of scan lines being arranged according to a particular spatial distribution, and each of the plurality of points having (i) associated two-dimensional coordinates representing a horizontal and vertical position within the point cloud frame, and (ii) an associated parameter value;
generating, by one or more processors, a normalized point cloud frame, wherein generating the normalized point cloud frame includes adding, to the received point cloud frame, a plurality of interpolated points not present in the received point cloud frame, and wherein adding the plurality of interpolated points includes, for each interpolated point,
identifying one or more neighboring points, among the plurality of points in the received point cloud frame, having associated two-dimensional coordinates that are within a threshold distance of two-dimensional coordinates for the interpolated point, and
calculating an estimated parameter value of the interpolated point using, for each of the identified neighboring points, (i) a distance between the two-dimensional coordinates for the interpolated point and the two-dimensional coordinates associated with the identified neighboring point, and (ii) the parameter value associated with the identified neighboring point; and
generating, by one or more processors and using the normalized point cloud frame, signals descriptive of a current state of the environment through which the vehicle is moving.

US Pat. No. 10,338,222

AUGMENTED THREE DIMENSIONAL POINT COLLECTION OF VERTICAL STRUCTURES

Pictometry International ...

1. An automated method, comprising:capturing images and three-dimensional LIDAR data of a geographic area with an image capturing device and a LIDAR system, as well as location and orientation data for each of the images corresponding to the location and orientation of the image capturing device capturing the images, the images depicting an object of interest and the three-dimensional LIDAR data including the object of interest, the image capturing device capturing the images at a first resolution, and the LIDAR system capturing the three-dimensional LIDAR data at a second resolution less than the first resolution;
storing the three-dimensional LIDAR data on a non-transitory computer readable medium;
analyzing the images with a computer system to determine three dimensional locations of points on the object of interest; and
updating the three-dimensional LIDAR data with the three dimensional locations of points on the object of interest determined by analyzing the images to create a 3D point cloud having a resolution greater than the resolution of the three-dimensional LIDAR data.

US Pat. No. 10,338,221

DEVICE FOR EXTRACTING DEPTH INFORMATION AND METHOD THEREOF

LG INNOTEK CO., LTD., Se...

1. A device for extracting depth information, the device comprising:a light outputting unit configured to output infrared (IR) light;
a light inputting unit configured to be input with light output from the light outputting unit which has been reflected from an object;
a light adjusting unit configured to adjust the angle of the output infrared light such that a first region including an object is irradiated with output infrared light and then adjust the angle of the output infrared light such a second region is irradiated with the output infrared light; and
a controlling unit configured to estimate motion of the object using at least one of infrared light input into the first region and infrared light input into the second region.

US Pat. No. 10,338,220

INTEGRATED LIGHTING AND LIDAR SYSTEM

Soraa Laser Diode, Inc., ...

1. A LIDAR system comprising:a power source;
a processor coupled to the power source and configured to supply power and generate a driving current;
a gallium and nitrogen containing laser diode configured to be driven by the driving current to emit a first light with a first peak wavelength;
a wavelength conversion member configured to receive at least partially the first light to reemit a second light with a second peak wavelength that is longer than the first peak wavelength and to combine a portion of the first light with the second light to produce a white light;
a beam shaper coupled to the wavelength conversion member to receive the white light to generate an illumination source;
the LIDAR system further comprising a first sensing light signal based on the first peak wavelength;
at least a first beam projector coupled to the beam shaper and configured to direct at least partially the white light to illuminate one or more target objects or areas and to transmit respectively the first sensing light signal for mapping a remote area including the one or more target objects or areas and their surroundings; and
a detector configured to detect reflected signals of the first sensing light signal to generate a first image of the one or more target objects or areas.

US Pat. No. 10,338,219

MEASURING APPARATUS COMPRISING AN INTERFEROMETER AND AN ABSORPTION MEDIUM DEFINING A DENSE LINE SPECTRUM

LEICA GEOSYSTEMS AG, Hee...

1. An optical metrology device embodied as a laser tracker configured for continuous tracking of an object, the optical metrology device having a rangefinder for determining a change in distance to the object using an interferometer for generating an interferometer output variable for respective distances to the object, the rangefinder comprising:a tunable laser diode embodied as an interferometer laser beam source for generating laser radiation in such a way that the laser radiation is present in longitudinally mono mode fashion and a single emission wavelength of the laser radiation is variable within a specific wavelength range by varying at least one tuning parameter;
a beamsplitter configured to split the laser radiation into measurement radiation and reference radiation; wherein the rangefinder is configured so that the measurement radiation is directed to the object and the interferometer output variable is based on at least part of returning measurement radiation and at least part of the reference radiation;
an interferometer detector configured to detect the measurement radiation and to generate the interferometer output variable, based thereon;
an absorption medium having a multiplicity of known absorption lines within the wavelength range, wherein the rangefinder is configured so that at least one part of the reference radiation is coupled into the absorption medium;
a memory with a stored line atlas for the multiplicity of absorption lines for the absorption medium, which line atlas in each case specifies an absorption strength for respective absorption wavelengths within the wavelength range;
photodetector configured for determining an absorption strength, wherein the photodetector is arranged so that the at least one part of the reference radiation impinges on the photodetector after being transmitted through the absorption medium; and
a control and evaluation unit configured to carry out a distance measurement mode, in which the emission wavelength of the laser radiation is regulated by means of the at least one tuning parameter as a function of a determined absorption strength, exerted by the absorption medium onto the at least one part of the reference radiation, in that the emission wavelength remains stable and therefore the change in the distance to the object can be determined by means of the interferometer output variable,
wherein:
the control and evaluation unit is furthermore configured to carry out a calibration mode, in which identification of at least one specific absorption line of the multiplicity of absorption lines is established by virtue of carrying out defined sample measurements comprising:
varying the wavelength of the at least one part of the reference radiation as at least one measurement parameter by virtue of varying the at least one tuning parameter in a manner controlled by the control and evaluation unit, wherein the wavelength of the at least one part of the reference radiation is varied over a defined tuning region configured so that the tuning region comprises multiple absorption lines,
determining, by virtue of a multitude of measurements with the photodetector during the varying of the wavelength of the at least one part of the reference radiation, a multitude of absorption strengths exerted by the absorption medium onto the at least one part of the reference radiation as function of the at least one tuning parameter,
determining measurement parameter-dependent sample absorption lines from the determined multitude of absorption strengths,
comparing the measurement-parameter dependent sample absorption lines with at least one reference, which is based on the stored line atlas, and
establishing an orientation in the line atlas in that at least one specific absorption line of the multiplicity of absorption lines is identified as a function of the comparison and on the basis of an algorithmic evaluation, such that an exact wavelength average value can be assigned to the measurement-parameter dependent sample absorption lines based on the identified at least one specific absorption line,
the emission wavelength of the measurement radiation in the distance measurement mode can be determined and/or set as a function of the established orientation in the line atlas, and
the calibration mode is carried out when putting the rangefinder into operation, controlled automatically by the control and evaluation unit, and the identified specific absorption line determined in the calibration mode is stored for carrying out the subsequent measurement mode.

US Pat. No. 10,338,217

WIDEBAND SONAR RECEIVER AND SONAR SIGNAL PROCESSING ALGORITHMS

FLIR SYSTEMS, INC., Wils...

1. A wideband sonar receiver, comprising:a digital basebanding and decimation stage adapted to baseband and decimate digitized samples of a received sonar signal to produce baseband samples of the received sonar signal; and
a correlator adapted to correlate the baseband samples with shaped baseband replica samples, wherein the correlator comprises a digital signal processor (DSP) configured to divide a frequency-domain version of the shaped baseband replica samples (FSRS) by a frequency-domain version of the baseband samples (FS) to provide a shaping filter response, to multiply the shaping filter response by a conjugate of the FSRS to provide a combined correlation and shaping response, and to multiply the FS with the correlation and shaping response to produce a correlated and shaped signal.

US Pat. No. 10,338,216

OBJECT DETECTION IN MULTIPLE RADARS

GM GLOBAL TECHNOLOGY OPER...

1. A method of processing radar target points comprising:receiving a first radar signal indicating a first target and a second target within a first field of view at a first distance from a first location;
receiving a second radar signal indicating a third target and a fourth target with the first field of view at a second distance from a second location;
determining a true target in response to the first target and the third target being collocated;
determining a first observation vector in response to the first radar signal and the true target and a second observation vector in response to the second radar signal and the true target;
deducting the second target from the first radar signal and deducting the fourth target from the second radar signal;
determining a common observation vector in response to the first observation vector and the second observation vector;
generating a radar map in response to the common observation vector; and
controlling a vehicle in response to the radar map.

US Pat. No. 10,338,215

MEASURING POINT INFORMATION PROVIDING DEVICE, CHANGE DETECTION DEVICE, METHODS THEREOF, AND RECORDING MEDIUM

NEC CORPORATION, Tokyo (...

5. A measuring point information providing method comprising:receiving, by a processor, an SAR image set comprising information indicative of a reflection intensity and a phase associated with each pixel corresponding to a resolution cell within a field of vision for image capturing including a specific region, the information being generated from observation data formed of four basic polarization pairs including an HH polarization, an HV polarization, a VH polarization and a VV polarization which are combinations of transmission and reception polarizations observed by a synthetic aperture radar at the same time;
determining, by the processor, a polarization pair whose reflection intensity is not less than a predetermined value or whose reflection intensity is the highest with respect to each target pixel, the polarization pair determined by changing a rotation angle pair, pixel by pixel using the received SAR image set;
generating, by the processor, based on the polarization pair that is determined, measuring point information including at least information indicative of the determined polarization pair of the target pixel; and
outputting one of: (i) the measuring point information that is generated, and (ii) information indicating whether a spot corresponding to a target pixel is appropriate as a measuring point or indicating to which degree the spot is appropriate as the measuring point, the information being generated based on the measuring point information, wherein
the outputting comprises generating and outputting, as information indicating to which degree a spot corresponding to a target pixel is appropriate as a measuring point, a rotational SAR image which holds at least information indicative of a reflection intensity and a phase obtained by the determined polarization pair of the pixel so as to be associated with the target pixel based on the received SAR image set and the measuring point information.

US Pat. No. 10,338,214

MODULAR IMAGING SYSTEM

Evolv Technologies, Inc.,...

1. A system comprising:a plurality of antenna panels comprising an array of antenna elements including at least two antenna elements separated by a spacing more than a half wavelength, the plurality of antenna panels are configurable to be spatially arranged and oriented with respect to one another to measure radar returns of an observation volume for a target;
an optical sensor having a field of view overlapping the observation volume and for measuring an optical image; and
at least one data processor forming part of at least one computing system and adapted to receive data characterizing the optical image and the radar returns, determine a spatial location of the target using the data characterizing the optical image, determine a sparsity constraint using the determined spatial location of the target, and construct a radar return image of the target using the determined sparsity constraint and the radar returns, wherein the spatial location of the target defines empty voxels and voxels in which the target is present.

US Pat. No. 10,338,213

AUTO TIER II

Northrop Grumman Systems ...

13. A system for providing an estimate of far-field radar cross-section (RCS) measurements of an aircraft, said system comprising:a plurality of automatic guided vehicle (AGV) each including a robot arm moveably mounted thereto and a radar unit selectively mounted to the robot arm and being interchangeable with a camera, each AGV further including an AGV positioning sub-system for positioning the AGV relative to the aircraft and positioning the robot arm on the AGV, each AGV also including an AGV controller for providing command and control signals to the AGV positioning sub-system, the robot arm, the radar unit and the camera so as to cause the radar unit to provide near-field RCS measurements and the camera to provide images of the aircraft at different elevations, angles and positions;
a real time signature diagnostic sub-system (SDS-RT) responsive to a stream of the near-field RCS measurement signals from the radar unit and the images from the camera in real time; and
an SDS controller responsive to near-field RCS measurement signals and images from the SDS-RT and configuring and orienting the near-field RCS measurement signals into a mosaic of the measurement signals to provide the estimate of the far-field RCS measurements of the aircraft.

US Pat. No. 10,338,212

GOLF SWING ANALYSIS APPARATUS AND METHOD

UCOMM TECHNOLOGY, CO., LT...

1. An apparatus for analyzing a golf swing, comprising:a signal detecting unit including a Doppler radar sensor which radiates a transmission wave to a golf club and a golf ball and detects a reflected wave, in which a first reflected wave of the golf club and a second reflected wave of the golf ball are mixed, and detects a frequency deviation between the transmission wave and the mixed reflected wave and generates an output signal; and
a swing analysis information calculating unit configured to calculate a speed of the golf club and a speed of the golf ball by using the output signal,
wherein:
the swing analysis information calculating unit calculates the speed of the golf ball based on a signal, which is obtained by converting the output signal into a frequency domain, and calculates the speed of the golf club based on a signal, which is generated from the output signal in a time domain, and
wherein: the swing analysis information calculating unit further includes a practice swing determining unit, which determines a swing as a hitting swing when the candidate speed of the golf ball has a predetermined value or more, and determines a swing as a practice swing when the candidate speed of the golf ball has less than the predetermined value, and
wherein: the practice swing determining unit differently applies the predetermined value based on the kind of golf club.

US Pat. No. 10,338,211

APPARATUS FOR MEASURING DISTANCE

DENSO CORPORATION, Kariy...

1. A distance measuring device comprising:an image acquiring unit installed in a vehicle cabin of a vehicle, acquiring a plurality of images which are simultaneously captured from mutually different view points via a windshield of the vehicle, to include a common imaging region ahead of the vehicle which are shared by the plurality of images;
a parallax detection unit that detects a parallax between the plurality of images as a detected parallax, in response to a front object, as an object present ahead of the vehicle, being captured in the plurality of images, based on positions where the front object is captured in respective images;
a distance calculation unit that calculates distance between the front object and the vehicle as a parallax calculated distance based on the detected parallax;
a distance detection unit mounted on the vehicle, transmitting/receiving electromagnetic waves to detect distance between the front object and the vehicle as electromagnetic waves detected distance;
an error calculation unit that calculates a parallax error which is an error of the parallax detected by the parallax detection unit, the parallax error being calculated based on a difference between the parallax calculated distance calculated by the distance calculation unit and the electromagnetic waves detected distance detected by the distance detection unit;
a first region identifying unit that identifies a correction divided region where the front object corresponding to the parallax error calculated by the error calculation unit is captured, the correction divided region being divided from a correction region which is set in the imaging region of at least one of the plurality of images, the correction region being constituted of a plurality of pixels to correct a parallax;
an individual correction setting unit that sets an individual correction parallax for each of the correction divided regions, based on the parallax error calculated by the error calculation unit and the correction divided region identified by the first region identifying unit, the individual correction parallax being used for correcting the parallax calculated distance which is calculated based on the detected parallax;
a second region identifying unit that identifies the correction divided region where the front object corresponding to the detected parallax is captured;
a corrected distance calculation unit that calculates a distance between the front object and the vehicle as a corrected distance, based on the detected parallax and the individual correction parallax identified by the second region identifying unit.

US Pat. No. 10,338,210

SYSTEMS AND METHODS FOR PROVIDING GPS ALTERNATIVES ON 1090 MHZ

1. A method, comprising:obtaining an estimate of position of an own aircraft based on time of arrival of signals from a plurality of ground stations, wherein calculation of the estimate is performed in the own aircraft, wherein the signals from the plurality of ground stations are transmitted on 1090 MHz+/?about 30 Hz, and wherein the signals comprise data overlay signals wherein each of the respective data overlay signals respectively comprise a signal modulated with a first message and further modulated with a second overlay message, wherein the first message and second overlay message may be independently demodulated from a particular data overlay signal; and
using the estimate of position instead of a position from a global positioning system.

US Pat. No. 10,338,209

SYSTEMS TO TRACK A MOVING SPORTS OBJECT

1. A method of tracking a moving sports object, the method including:calibrating a perspective of an image of a camera to a perspective of a Doppler radar for simultaneous tracking of the moving sports object;
interpolating a three dimensional trajectory of a camera measurement of the moving sports object's motion using radar data, based at least in part on a failure of one of the two sensors to provide usable measurements during a period that the moving sports object is being tracked; and
tracking the moving sports object simultaneously with the camera and Doppler radar.

US Pat. No. 10,338,208

OBJECT DETECTION IN MULTIPLE RADARS

GM Global Technology Oper...

1. A method of processing radar target points comprising:receiving a first plurality of radar echoes indicating a first target point, a second target point, a third target point, and a fourth target point;
determining a first velocity associated with the first target point, a second velocity associated with the second target point, a third velocity associated with the third target point, and a fourth velocity associated with the fourth target point;
establishing a first cluster in response to the first velocity and the second velocity being similar and the first target point and the second target point having a close proximity;
establishing a second cluster in response to the third velocity and the fourth velocity being similar and the third target point and the fourth target point having a close proximity;
tracking the first cluster and the second cluster in response to a second plurality of radar echoes;
identifying the first cluster as a dynamic object in response to an average first velocity and the second cluster as a static object in response to an average second velocity; and
discontinuing tracking of the second cluster in response to the second object being identified as a static object.

US Pat. No. 10,338,207

GATED RANGE SCANNING LFMCW RADAR STRUCTURE

Intelligent Fusion Techno...

1. A gated range scanning linear frequency modulated continuous wave (LFMCW) radar structure, comprising:a frequency synthesizer, a first mixer, a second mixer, a first filter, and a third mixer, wherein:
the frequency synthesizer is configured for generating a first local oscillating signal and a second local oscillating signal, a frequency of the first local oscillator signal varying in a frequency range, each frequency corresponding to a sub-range of a coverage range scanned by the LFMCW radar structure;
the first mixer is configured for mixing a copy of a transmitted radar signal and the first local oscillating signal to generate a first output signal, corresponding to receiver's first local oscillating signal;
the second mixer is configured for mixing the first output signal and a received signal from a receiving antenna to generate a second output signal that includes an intermediate frequency (IF) signal being received by the first filter;
the first filter is configured for generating a third output signal by filtering the second output signal and selecting a first frequency component to form the IF signal, a frequency of the IF signal corresponding to a sub-range of the coverage range scanned by the LFMCW radar structure; and the third mixer is configured for mixing the second local oscillating signal and the third output signal to generate a fourth output signal that includes a baseband signal.

US Pat. No. 10,338,206

ULTRA-WIDEBAND RADAR WITH NORMALIZED SENSITIVITY

Robert Bosch GmbH, Stutt...

1. A motion detector comprising:a radio frequency (RF) transmission circuit;
an RF reception circuit including an amplifier and a variable attenuator positioned between a reception antenna and the amplifier;
a controller that is electrically coupled to the RF transmission circuit and the RF reception circuit, the controller configured to:
control the RF transmission circuit to generate an RF signal,
control the RF reception circuit to receive a reflected RF signal from a target object in a predetermined time for reception after transmission of the RF signal;
control the RF reception circuit to generate a Doppler signal indicative of a distance between the target object and the motion detection system based on the reflected RF signal;
adjust a sensitivity of the RF reception circuit during the predetermined time for reception by applying a pulse to the variable attenuator; and
activate an indicator based, at least in part, on a magnitude of the Doppler signal.

US Pat. No. 10,338,205

BACKSCATTER COMMUNICATION AMONG COMMODITY WIFI RADIOS

The Board of Trustees of ...

1. A backscatter tag communicate device comprising:a receiver configured to receive a WiFi packet conforming to a communication protocol defining a plurality of codewords;
a mapper configured to map at least a first subset of the plurality of codewords disposed in the packet to a second plurality of codewords defined by the protocol;
a frequency shifter configured to shift a frequency of the second plurality of codewords such that the frequency shifted codewords are characterized by a single sideband spectrum;
a first signal splitter configured to split a WiFi signal representative of the WiFi packet into first and second signals;
a first on-off keying block disposed in a first path and adapted to receive the first signal; and
a second on-off keying block disposed in a second path and adapted to receive the second signal.

US Pat. No. 10,338,204

SENSOR SYSTEMS

2. A sensor system for measuring relative distance between sensors of the system, the sensor system comprising at least two sensors, wherein each said sensor comprises an RF transceiver coupled to a microprocessor, and stored program code for controlling the microprocessor, wherein said stored program code comprises code to:send, using said RF transceiver, a group of one or more data bits from the sensor to a second sensor;
receive, using said RF transceiver, an acknowledgement of reception of said group of data bits from said second sensor;
determine a time difference between said sending and said receiving; and
compensate said time difference for a processing delay by the microprocessor of said second sensor between the second sensor receiving said group of data bits and sending said acknowledgement, to determine timing data representing a distance to said second sensor,
wherein said stored program code further comprises code to:
send a plurality of said groups of data bits to said second sensor, wherein said plurality of said groups of data bits comprises groups of data bits of different lengths.

US Pat. No. 10,338,203

CLASSIFICATION PREPROCESSING IN MEDICAL ULTRASOUND SHEAR WAVE IMAGING

Siemens Medical Solutions...

1. A method for classification preprocessing to be used in medical ultrasound shear wave imaging, the method comprising:measuring, with an ultrasound system, values of displacement of tissue over time at a first location within a patient in response to an impulse excitation;
determining, with a processor of the ultrasound system, a maximum of the values of the displacement over time;
determining, with the processor of the ultrasound system, a signal-to-noise ratio of the values of the displacement over time where the values of the displacement over time are the signal in the signal-to-noise ratio;
classifying, with the processor, the first location as a first one of a plurality types of tissue where the classifying distinguishes the types of tissue based on a level of fluid in the tissue, the tissue being fluid tissue or solid tissue and being other than bone, the classifying using the maximum of the displacement of the values over time and the signal-to-noise ratio of the values of the displacement over time as variables in the classifying, a SNR level of the signal-to-noise ratio of the values of the displacement over time being an input in the classifying; and
imaging as a function of the classifying of the first location.

US Pat. No. 10,338,202

SYSTEM AND METHOD FOR IMPROVING LIDAR SENSOR SIGNAL AVAILABILITY ON A WIND TURBINE

General Electric Company,...

1. A method for improving signal availability of a laser sensor mounted on a nacelle of a wind turbine, the method comprising:generating, via the laser sensor, one or more laser signals towards a rotor of the wind turbine, the rotor comprising one or more rotor blades mounted to a rotatable hub;
receiving, via a controller, a rotor position of the rotor of the wind turbine; and,
coordinating, via a control algorithm programmed within the controller, the rotor position with the one or more laser signals of the laser sensor so as to minimize interference between the laser signals and the rotor blades during rotation of the rotor, wherein coordinating the rotor position with the one or more laser signals of the laser sensor further comprises switching a rotational direction of the one or more laser signals.

US Pat. No. 10,338,201

TIMING SYNCHRONIZATION OF LIDAR SYSTEM TO REDUCE INTERFERENCE

QUALCOMM Incorporated, S...

1. A method for use with a LIght Detection And Ranging (LIDAR) system, the method comprising:assigning a firing time of a laser included in the LIDAR system, wherein assigning the firing time includes:
receiving a universal clock signal at the LIDAR system, the universal clock signal common to one or more other LIDAR systems;
synchronizing a system clock of the LIDAR system to the universal clock signal to generate a synchronized clock signal; and
determining the firing time based on the synchronized clock signal to reduce interference with the one or more other LIDAR systems, including
establishing a frame divided into a plurality of timeslots,
assigning one or more of the plurality of timeslots as the firing time for the LIDAR system,
obtaining a unique identifier number that is unique to the LIDAR system, and
applying a HASH algorithm to the unique identifier number to select which of the plurality of timeslots to assign as the firing time for the LIDAR system; and
firing the laser at the firing time.

US Pat. No. 10,338,199

TRANSCEIVER APPARATUS, METHOD AND APPLICATIONS

Luminar Technologies, Inc...

1. A transceiver, comprising:an optical receiver comprising:
a circuit board including a detector configured to detect received light;
an inner housing having a first end attached to the circuit board and an opposing second end, wherein the inner housing encompasses the detector;
an outer housing that at least partially surrounds the inner housing, wherein an elongate groove or shelf is formed along a longitudinal intersection of the inner housing and the outer housing; and
a lens disposed in the outer housing adjacent the second end of the inner housing.

US Pat. No. 10,338,198

SENSOR APPARATUS

FORD GLOBAL TECHNOLOGIES,...

1. A sensor apparatus comprising:a first housing;
a second housing spaced from the first housing;
a LIDAR sensor attached to the first housing; and
a cylindrical window releasably coupled to the first housing and to the second housing, wherein the window extends from a first end releasably coupled to the first housing to a second end releasably coupled to the second housing, the first end including a first thread engageable with the first housing, and the second end including a second thread engageable with the second housing.

US Pat. No. 10,338,197

SYSTEM AND METHOD FOR USE OF QUALITATIVE MODELING FOR SIGNAL ANALYSIS

Accenture Global Solution...

1. A computer-implemented method comprising:receiving, by a qualitative signal analysis module of a system that includes (i) the qualitative signal analysis module, (ii) an output processing module, and (iii) a signal processing or display device, a signal;
generating, by the qualitative signal analysis module, a two-dimensional representation of the signal, the two-dimensional representation including (i) a sequence of consecutive peaks that each represent a local minimum point or a local maximum point within the two-dimensional representation of the signal, and (ii) a respective line segment that connects each pair of adjacent peaks;
for each line segment that connects each respective pair of adjacent peaks, generating, by the qualitative signal analysis module, a label for the line segment based at least on classifying the line segment according to one or more qualitative criteria;
generating, by the output processor module, a qualitative representation of the signal based on the labels that were generated for the line segment of the two-dimensional representation of the signal; and
providing, by the output processing module, the qualitative representation of the signal for processing by the signal processing or display device.

US Pat. No. 10,338,196

SYSTEM AND METHOD FOR AVOIDING SENSOR INTERFERENCE USING VEHICULAR COMMUNICATION

Honda Motor Co., Ltd., T...

1. A computer-implemented method for controlling sensor data acquisition using a vehicular communication network, comprising:establishing an operable connection for computer communication between a first vehicle and one or more remote vehicles within a communication range of the first vehicle using the vehicular communication network, wherein the first vehicle and the one or more remote vehicles operate based upon a common time base according to a global time signal;
receiving, from each of the one or more remote vehicles, capability data that includes a sensor actuation time slot of each of the one or more remote vehicles indicting a time slot at which sensors of each of the one or more remote vehicles are actuating, and wherein the sensor actuation time slot of each of the one or more remote vehicles are different;
dividing a clock cycle into a plurality of time slots based on one or more remote vehicles; and
controlling, according to the plurality of time slots and the sensor actuation time slot, sensor actuation of a sensor of the first vehicle and the sensors of each of the one or more remote vehicles.

US Pat. No. 10,338,195

NETWORKABLE SONAR SYSTEMS AND METHODS

FLIR Belgium BVBA, Meer ...

1. A system comprising:a sonar transducer assembly including a transducer module and a housing adapted to be mounted to a mobile structure;
sonar electronics disposed within the housing and configured to control operation of the sonar transducer assembly, wherein the sonar electronics are configured to:
generate an acoustic ensonification;
receive acoustic returns, corresponding to the generated acoustic ensonification, from the transducer module;
generate sonar data based, at least in part, on the acoustic returns; and
transmit the sonar data to a logic device of the mobile structure over, at least in part, an Ethernet connection; and
a second sonar transducer assembly including a second transducer module, a second housing adapted to be mounted to the mobile structure, and a second sonar electronics disposed within the second housing and configured to control operation of the second sonar transducer assembly, wherein:
the sonar transducer assembly and the second sonar transducer assembly are configured to receive an ensonification schedule from the logic device over, at least in part, the Ethernet connection; and
the ensonification schedule comprises at least first ensonification characteristics directing the sonar transducer assembly to generate the acoustic ensonification at a first ensonification time and second ensonification characteristics directing the second sonar transducer assembly to generate a second acoustic ensonification at the first ensonification time or at a second ensonification time different from the first ensonification time; and/or
the ensonification schedule comprises at least first ensonification characteristics directing the sonar transducer assembly to receive the acoustic returns during a first receiver time period and second ensonification characteristics directing the second sonar transducer assembly to receive second acoustic returns during the first receiver time period or at a second receiver time period different from the first receiver time period.

US Pat. No. 10,338,194

WIRELESS LOCALISATION SYSTEM

COMMONWEALTH SCIENTIFIC A...

1. A method of estimating the location of a mobile object using a plurality of anchor nodes, the method comprising:synchronising said plurality of anchor nodes;
measuring a plurality of times-of-arrival of beacons transmitted from said object to respective said anchor nodes; and
estimating the location of said object relative to said anchor nodes using said measured times-of-arrival, corrected for a propagation delay at each said anchor node,
wherein the step of estimating the location of said object relative to said anchor nodes comprises the sub-steps of:
subtracting respective propagation delays from each of said plurality of measured times-of-arrival to obtain respective pseudo-ranges forming a set of obtained pseudo-ranges;
estimating locations of said object and corresponding errors in respective said location estimates, wherein each estimated location is determined from a subset of the obtained pseudo-ranges, and wherein each subset of the obtained pseudo-ranges excludes one pseudo-range from the set of obtained pseudo-ranges; and
discarding each of the obtained pseudo-ranges whose exclusion gave an error estimate that is less than a threshold; and
estimating the location of said object from undiscarded pseudo-ranges, the undiscarded pseudo-ranges being those of the obtained pseudo-ranges that have not been discarded.

US Pat. No. 10,338,193

APPARATUS AND METHOD FOR RSS/AOA TARGET 3-D LOCALIZATION IN WIRELESS NETWORKS

Marko Beko, Alfragide (P...

1. An apparatus for target localization in wireless networks comprising:M targets and N anchor receivers, wherein each anchor receiver includes at least one directive or antenna array to receive a signal sent from a target;
a processing unit configured to receive the RSS (received signal strength) information form said receivers and to process the RSS information and to compute a distance measurement between said targets and said receivers;
a processing unit configured to receive AoA (angle of arrival) information from said receivers, wherein the AOA information includes angles of azimuth and elevation measurements of the incoming signal transmitted by each one of the targets present in the wireless network;
a processing unit configured to compute a conversion from Cartesian coordinates of the RSS and AOA information to spherical coordinates in order to merge the RSS and AoA information; and
an estimator configured to estimate a location of each target based on the merged RSS and AoA information and WLS (weighted least squares) criterion, wherein the WLS criterion determines weights based on a ML (maximum likelihood) estimate of the distance measurement.

US Pat. No. 10,338,192

RADIO FREQUENCY COMMUNICATION SYSTEM

POSITION IMAGING, INC., ...

1. A method of tracking a position of a radiofrequency (RF)-transmitting device based on RF signals transmitted by the RF-transmitting device, comprising the steps of:calculating a present position of a RF-transmitting device based on RF signals transmitted by the RF-transmitting device;
determining the present position of the RF-transmitting device is an invalid position by comparing the present position of the RF transmitting device with boundaries of a predefined acceptable tracking volume;
recalibrating, in response to determining the present position of the RF-transmitting device is an invalid position, the present position of the RF-transmitting device by:
obtaining data from RF signals transmitted by the RF-transmitting device; and
identifying a plurality of candidate position solutions;
evaluating at least one of the plurality of candidate position solutions against the obtained data to search for an acceptable candidate position solution; and
when the evaluating finds an acceptable candidate position solution, tracking the RF-transmitting device using the acceptable candidate position solution as the present position of the RF-transmitting device.

US Pat. No. 10,338,191

SENSOR MESH AND SIGNAL TRANSMISSION ARCHITECTURES FOR ELECTROMAGNETIC SIGNATURE ANALYSIS

Bastille Networks, Inc., ...

1. A method for a sensor mesh and signal transmission architecture for electromagnetic signature analysis and threat detection, comprising:providing a plurality of sensor antennas within an electromagnetic environment, wherein the electromagnetic environment supports operation of a plurality of wireless devices;
coupling radio frequency signals from the plurality of sensor antennas into an antenna feed network operable to switch and route the radio frequency signals between the plurality of sensor antennas and a plurality of radio receivers through the sensor mesh;
coupling radio frequency signals from the antenna feed network into the plurality of radio receivers;
performing raw signal analysis within the plurality of radio receivers to identify signal features;
forming signal feature vectors, within the plurality of radio receivers, each of the signal feature vectors comprising two or more of the identified signal features;
transmitting the signal feature vectors from the plurality of radio receivers into a signal feature network operable to switch and route the signal feature vectors between the plurality of radio receivers and one or more feature vector processors;
aggregating, within one of the feature vector processors, the signal feature vectors from two or more of the plurality of radio receivers in response to the signal feature vectors being identified as the same simultaneous emission from one of the plurality of wireless devices;
processing the signal feature vectors, within one or more of the feature vector processors, to refine the signal features within the signal feature vectors;
classifying one of the plurality of wireless devices as malicious or benign according to the refined signal features within the signal feature vectors;
identifying wireless attacks according to the signal features within the signal feature vectors;
reconfiguring the antenna feed network according to the signal features within the signal feature vectors; and
transmitting the refined signal feature vectors from the one or more feature vector processors to support operator interfaces.

US Pat. No. 10,338,190

ENABLING A VALIDATION OF AN ESTIMATED POSITION OF A MOBILE DEVICE

HERE Global B.V., Eindho...

1. A method comprising, performed by at least one apparatus:obtaining results of measurements by a mobile device on radio signals transmitted by a plurality of transmitters, the results of measurements comprising characteristics of the radio signals at the location of measurement;
estimating a position of the mobile device based on the obtained results of measurements and based on assistance data including information on expected characteristics of radio signals of various transmitters at various locations;
matching a distribution of characteristics of radio signals in the obtained results of measurements with a reference distribution of characteristics of radio signals; and
providing a result of the matching as an indication of validity of the estimated position.

US Pat. No. 10,338,189

METADATA-BASED EMITTER LOCALIZATION

HawkEye 360, Inc., Hernd...

1. A method comprising:obtaining, from a first sensing device, first information corresponding to a first radio signal received at the first sensing device from a candidate location;
determining a first reconstructed signal corresponding to the first radio signal based on the first information;
determining at least one of a first time-estimate or a first frequency-estimate based on a correlation between the first radio signal and the first reconstructed signal;
determining first metadata corresponding to the first radio signal based on at least one of the first information, the first time-estimate, or the first frequency-estimate;
obtaining, from a second sensing device, second information corresponding to a second radio signal received at the second sensing device from the candidate location;
determining a second reconstructed signal corresponding to the second radio signal based on the second information;
determining at least one of a second time-estimate or a second frequency-estimate based on correlation between the second radio signal and the second reconstructed signal;
determining second metadata corresponding to the second radio signal based on at least one of the second information, the second time-estimate, or the second frequency-estimate;
transmitting at least one of the first metadata or the second metadata to an information combining node;
obtaining, from the information combining node, at least one of the first metadata or the second metadata;
determining a relationship between the first metadata and the second metadata; and
determining the candidate location based on the first metadata, the second metadata, and the relationship between the first metadata and the second metadata,
wherein transmitting at least one of the first metadata or the second metadata to the information combining node comprises restricting transmission of the first radio signal and the second radio signal to the information combining node based on a bandwidth or storage of the first sensing device, the second sensing device, or the information combining node,
wherein determining the first reconstructed signal comprises minimizing a first cost metric corresponding to a difference between the first reconstructed signal and the first radio signal, and
wherein determining the second reconstructed signal comprises minimizing a second cost metric corresponding to a difference between the second reconstructed signal and the second radio signal.

US Pat. No. 10,338,188

LOCATION ASSISTANCE WITH A DYNAMICALLY UPDATED BEACON PAYLOAD FROM AN ELECTRONIC DEVICE

Microsoft Technology Lice...

14. A computerized method comprising:detecting a request to contact an emergency service;
obtaining an incident identifier for association with the detected request;
obtaining location information of a mobile device;
generating a beacon payload including the incident identifier and the location information;
enabling beaconing, at the mobile device, to transmit the generated beacon payload; and
dynamically updating the beacon payload for enabled beaconing with refreshed data, the refreshed data including an updated incident identifier that is updated based on an identified emergency situation that is different than an emergency situation corresponding to the request to contact the emergency service.

US Pat. No. 10,338,187

SPHERICALLY CONSTRAINED OPTICAL SEEKER ASSEMBLY

RAYTHEON COMPANY, Waltha...

1. A spherically constrained optical seeker assembly comprising:a spherical lens having an outer surface;
an optical sensor assembly associated with the spherical lens; and
a gimbal assembly, the optical sensor assembly being coupled to the gimbal assembly, the gimbal assembly being configured to move the optical sensor assembly to at least one desired position on the outer surface of the spherical lens, the gimbal assembly including two arcuate arms configured to move with respect to one another, a first arm of the two arms including an arcuate body having a first end portion and a second end portion, the first arm extending vertically to provided azimuthal positioning of the optical sensor assembly during operation, and a second arm of the two arms includes an arcuate body having a first end portion and a second end portion, the second arm extending horizontally to provide elevational positioning of the optical sensor assembly during operation,
wherein the optical sensor assembly includes a body and a stem that extends from the body, the body of the optical sensor assembly including a surface having a plurality of feet configured to engage the outer surface of the spherical lens and to extend and retract to focus a sensor of the optical sensor assembly.

US Pat. No. 10,338,186

POSITIONAL TRACKING SYSTEMS AND METHODS

Valve Corporation, Belle...

1. An optical tracking system, comprising;a movable tracked object comprising a plurality of rigidly attached optical sensors; and
one or more optical transmitters, wherein each transmitter comprises two rotors that sweep two optical beams across a tracking volume on orthogonal axes during repeating sweep cycles, wherein each transmitter emits an omni-directional synchronization optical pulse detectable by said plurality of optical sensors at the beginning of each said sweep cycle; and wherein each of said optical sensors computes an angular location within said tracking volume by calculating the elapsed time between detecting said synchronization pulse and detecting said optical beams.

US Pat. No. 10,338,185

METHOD FOR SELF CALIBRATION OF MEASUREMENT NONLINEARITY

Keithley Instruments, LLC...

1. A method for calibrating linearity of a measurement circuit of a test instrument comprising: determining a first set of voltage measurements of the measurement circuit while performing a first voltage sweep of the measurement circuit from a first voltage to a second voltage at an operating current level;determining a second set of voltage measurements of the measurement circuit while performing a second voltage sweep of the measurement circuit from the second voltage to the first voltage at the operating current level;
calculating a linearity factor for the measurement circuit based on the first set of voltage measurements and the second set of voltage measurements; and
storing the linearity factor to be utilized for correcting nonlinearity of future measurements performed by the measurement circuit.

US Pat. No. 10,338,183

MAGNETIC RESONANCE IMAGING WITH DIFFERENT FREQUENCY ENCODING PATTERNS

Siemens Aktiengesellschaf...

1. A method for magnetic resonance imaging, comprising:operating a magnetic resonance scanner to detect signals representing raw magnetic resonance data from a region of an examination subject via a number of magnetic resonance receiving antennas of the magnetic resonance scanner, with an image reconstruction algorithm being subsequently applied to said raw magnetic resonance data so as to reconstruct an image, comprised of image elements, of the examination subject, with said image elements representing a signal strength of said signals, each of said magnetic resonance receiving antennas having a signal reception sensitivity, which has a dependency on frequency that attenuates said signal strength;
in a processor, making a frequency-dependent determination of calibration values for at least one of said magnetic resonance receiving antennas so that the calibration values have a value contribution resulting from said dependency on frequency of the sensitivity of said at least one of said magnetic resonance receiving antennas, that compensates for the attenuation of said signal strength; and
in said processor, executing said image reconstruction algorithm so as to reconstruct said image based on the raw magnetic resonance data using the determined calibration values, so that said image elements of said image are not adulterated by said attenuation of said signal strength.

US Pat. No. 10,338,182

RECEIVER ASSEMBLY OF A MAGNETIC RESONANCE IMAGING SYSTEM

1. A receiver assembly of a magnetic resonance (MR) system for generating MR recordings of an examination object, the receiver assembly comprising:a plurality of reception channels for receiving and amplifying MR signals from reception coils of the MR system connected therewith, the reception coils of the MR system being positioned remotely from the receiver assembly;
a calibration data memory configured to store calibration data for the plurality of reception channels situated on the receiver assembly; and
a data link operable to transmit the calibration data to the MR system,
wherein the receiver assembly is a replaceable part, such that the plurality of reception channels are configured to be calibrated outside, or inside and outside of the MR system.

US Pat. No. 10,338,181

RADIO FREQUENCY COIL ASSEMBLY FOR MAGNETIC RESONANCE IMAGING AND MAGNETIC RESONANCE IMAGING SYSTEM

Samsung Electronics Co., ...

1. A radio frequency (RF) coil assembly for magnetic resonance imaging comprising:a transmit only (Tx only) RF coil configured to apply an RF signal to an object; and
a receive only (Rx only) RF coil configured to receive a magnetic resonance signal from a region of interest of the object excited by the RF signal,
wherein the Tx only RF coil and the Rx only RF coil are disposed such that a center (first center) of the Tx only RF coil and a center (second center) of the Rx only RF coil are spaced apart from each other by a distance resulting in a location of a peak point (first peak point) of a magnetic field generated by the Tx only RF coil to be identical to a location of a peak point (second peak point) of a magnetic field generated by the Rx only RF coil.

US Pat. No. 10,338,180

SYSTEM AND METHOD FOR GRADIENT MEASUREMENT USING SINGLE-POINT IMAGING

Wisconsin Alumni Research...

21. A method for determining a difference between an actual gradient field generated by a magnetic resonance imaging (MRI) system and a prescribed gradient field, the method comprising:performing a pulse sequence using the MRI system that includes a single point imaging (SPI) acquisition to acquire imaging data over a plurality of encoding times;
analyzing a zoon-in/out effect using the imaging data to determine a relative field of view (FOV) scaling factor between the encoding times;
using the FOV scaling factor, determine relative k-space positions of at least one of the imaging data and to-be acquired imaging data; and
generating an image using one of the imaging data and the to-be acquired imaging data and the relative k-space positions.

US Pat. No. 10,338,179

MAGNETIC RESONANCE METHOD AND APPARATUS FOR QUANTITATIVE TIME-RESOLVED ASSESSMENT OF TISSUE DISPLACEMENT AND RELATED BIOMARKER PARAMETERS WITH BLOOD SUPPRESSION IN THE WHOLE CARDIAC CYCLE

Siemens Healthcare GmbH, ...

1. A method of acquiring images of tissue with suppression of residual blood signal in early cardiac phases, the method comprising:applying, by a processor, a residual blood signal suppression sequence to the tissue, the residual blood signal suppression sequence comprising:
inversion recovery pulses after an electrocardiogram (ECG) trigger at a beginning point of a repetition time period, to obtain a magnetization-inverted slice of the tissue;
a displacement encoding module at an inversion time during the repetition time period to apply a labelling process on the tissue and excite an imaging slice of tissue thinner than the magnetization-inverted slice; and
a readout module comprised of a plurality of frames during a remainder of the repetition time period, to apply an un-labelling process on the imaging slice of tissue, thereby generating cine Displacement Encoding with Stimulated Echoes (DENSE) images of the tissue with blood suppression within the imaging slice of tissue; and
generating, at a display processor configured to communicate with the processor, data representing the cine DENSE images of the tissue with blood suppression within the imaging slice of tissue;
wherein the sequence covers two cardiac cycles defined as the repetition time period; and
wherein the inversion time is selected to allow for a blood signal within the imaging slice of tissue to have a zero magnetization level at the inversion time.

US Pat. No. 10,338,178

SYSTEM AND METHOD FOR HIGH-RESOLUTION SPECTROSCOPIC IMAGING

THE BOARD OF TRUSTEES OF ...

1. A device to acquire spatiospectral information from an object, the device comprising:a magnetic field generator that generates a static magnetic field, the object being positioned in the static magnetic field;
an RF coil assembly including a plurality of gradient coils;
an RF transceiver controlled by a pulse module that transmits RF signals to the RF coil assembly and that receives magnetic resonance (MR) signals; and
a computer which, responsive to executing instructions, performs operations, the operations comprising:
acquiring, from the MR signals, spatiospectral encoded training data, wherein the training data has been sampled at a first temporal resolution, and wherein the training data has a first k-space coverage;
acquiring, from the MR signals, spatiospectral encoded imaging data, wherein the imaging data has been sampled at a second temporal resolution, wherein the second temporal resolution is less than the first temporal resolution, wherein the imaging data has a second k-space coverage, and wherein the second k-space coverage is greater than the first k-space coverage; and
reconstructing one or more spatiospectral functions from the training data and the imaging data.

US Pat. No. 10,338,177

MAGNETIC RESONANCE IMAGING APPARATUS, MAGNETIC RESONANCE IMAGING METHOD AND MAGNETIC RESONANCE IMAGING SYSTEM

TOSHIBA MEDICAL SYSTEMS C...

1. A magnetic resonance imaging (MRI) apparatus comprising:MRI system components including static and gradient magnetic field generators, at least one radio frequency (RF) coil, RF transmitter and receiver circuits and at least one controlling processor configured to:
execute (i) a first imaging scan acquiring data in a range including a target internal organ and (ii) a second imaging scan acquiring data for a diagnostic image by controlling execution of pulse sequences;
generate an image by using data acquired by the first imaging scan; and
derive (i) an imaging scan area, by image processing using the first scan image and a model image, in which data for the diagnostic image are to be acquired in the second imaging scan and (ii) a related area set associated with the imaging scan area in the second imaging scan.

US Pat. No. 10,338,176

METHOD AND APPARATUS FOR ACTUATION OF A MAGNETIC RESONANCE SCANNER FOR THE SIMULTANEOUS ACQUISITION OF MULTIPLE SLICES

Siemens Healthcare GmbH, ...

1. A method for acquiring magnetic resonance data, comprising:operating a magnetic resonance data acquisition scanner, while an object is situated therein, to implement a scan in which magnetic resonance raw data are acquired from the object, by simultaneously exciting different transverse magnetizations of nuclear spins respectively in a different slice in a plurality N slices of the object, with said different transverse magnetizations being simultaneously present in an entirety of each excited slice at least one time interval of said scan;
entering said magnetic resonance raw data for the entirety of each slice into an electronic memory at respective data entry points in said memory, as k-space data, said k-space data for the respective slices representing respectively different contrasts for the slices, due to said different magnetizations; and
from a processor having access to said electronic memory, making said k-space data available in electronic form as a data file.

US Pat. No. 10,338,175

MAGNETIC RESONANCE IMAGING APPARATUS AND MEDICAL IMAGE PROCESSING METHOD

Toshiba Medical Systems C...

1. A magnetic resonance imaging apparatus comprising:processing circuitry configured to
generate a plurality of cross-sectional images for setting a sectional position to be collected in main imaging based on a characteristic portion of a target detected in three-dimensional data,
list the cross-sectional images on a display and superimpose a mark corresponding to the characteristic portion on at least one of the cross-sectional images,
receive a setting operation to determine the sectional position,
cause, when the mark is selected in the setting operation, a cross-sectional image among the listed cross-sectional images to be emphasized, a sectional position of the cross-sectional image being defined using the characteristic portion corresponding to the mark, and
perform main imaging based on the sectional position after the setting operation, wherein
when the position of the mark is changed in the setting operation, the processing circuitry calculates an angle using the characteristic portion corresponding to the mark, the angle being an angle between a vector corresponding to a change of the position and a normal vector of the cross-sectional image, and the processing circuitry causes the cross-sectional image to be emphasized in a degree corresponding to the calculated angle.

US Pat. No. 10,338,174

ROBUST DUAL ECHO DIXON IMAGING WITH FLEXIBLE ECHO TIMES

The Board of Trustees of ...

1. A method for creating a first MRI image of an object in an MRI system indicating a first species and a second MRI image of the object indicating a second species, comprising:applying, through the MRI system, a radio frequency (RF) excitation of the object;
reading out through the MRI system a first echo from the object;
reading out through the MRI system a second echo of the object;
using the first echo readout to generate a first image set, with each image pixel of a plurality of image pixels being a first linear combination of the first species and the second species;
using the second echo readout to generate a second image set, with each image pixel being a second linear combination of the first species and the second species;
combining the first image set and second image set to obtain a first combined image containing only the first species and a second combined image containing only the second species, comprising:
combining the first image set and the second image set at each image pixel to generate two solution pairs at all of the image pixels of the plurality of pixels, wherein for each image pixel the two solution pairs have a first solution pair that represents the first species and the second species and a second solution pair that represents the first species and the second species, wherein at each image pixel the first species and second species are calculated together as a pair from the first image set and the second image set to yield the two solution pairs; and
using a mathematical optimization of an image region to choose for each image pixel either the first solution pair or the second solution pair that represents the first species and the second species for all of the image pixels.

US Pat. No. 10,338,173

DEVICE FOR CANCELLATION OF LARGE MAGNETIC SUSCEPTIBILITY ARTIFACTS IN MAGNETIC RESONANCE IMAGING OF PATIENTS WITH PACEMAKERS AND IMPLANTABLE CARDIAC DEFIBRILLATORS

The Johns Hopkins Univers...

1. A system for cancelling an artifact in magnetic resonance imaging, comprising:a solenoid electromagnet having a coil,
the solenoid electromagnet configured to generate a magnetic field to create a controlled field distortion,
the solenoid electromagnet being positioned adjacent to a source of the artifact, and
the solenoid electromagnet being secured to a fixture and configured to restrict movement associated with rotational torque exerted by the magnetic field associated with the solenoid electromagnet opposing a magnetic field associated with a magnetic resonance imaging scanner,
the fixture being associated with one or more motors associated with movement of the solenoid electromagnet;
one or more memories; and
one or more processors, communicatively coupled to the one or more memories, to:
determine adjustments to the solenoid electromagnet to reduce the artifact based on movement of the solenoid electromagnet.

US Pat. No. 10,338,172

POWER DEVICE AND METHOD FOR DRIVING A LOAD

KONINKLIJKE PHILIPS N.V.,...

12. A gradient amplifier system for driving a gradient coil in a magnetic resonance imaging device comprising:a gradient amplifier including a plurality of the power semiconductors for outputting a gradient current in response to a control signal;
a controller coupled to the gradient amplifier for controlling a current profile of the gradient current, wherein the controller determines the current profile of the gradient current to be a predetermined current profile if the junction temperature of the power semiconductors when outputting the predetermined current profile is less than the maximum junction temperature of the power semiconductors or an adjusted current profile if the junction temperature of the power semiconductors when outputting the predetermined current profile is equal to or higher than the maximum junction temperature of the power semiconductors, and wherein the adjusted current profile has an offset with respect to the predetermined current profile; and
a current injector coupled to the gradient amplifier and the controller for generating an offset current equal to the offset between the adjusted current profile and the predetermined current profile, wherein the offset current and the adjusted current profile are summed to generate the predetermined current profile to flow through the gradient coil if the gradient amplifier outputs the gradient current with the adjusted current profile.

US Pat. No. 10,338,171

GENERATING GRADIENT SIGNAL

Shenyang Neusoft Medical ...

1. A method of generating a gradient signal, comprising:obtaining a target amplitude and a target duration associated with a target precision corresponding to the gradient signal;
generating a first actual amplitude by intercepting the target amplitude according to an actual precision of a digital to analog converter (DAC);
generating a second actual amplitude according to the first actual amplitude, wherein a difference between the second actual amplitude and the first actual amplitude is 1;
determining a first actual duration of outputting the first actual amplitude and a second actual duration of outputting the second actual amplitude according to the target amplitude, the target duration, the first actual amplitude and the second actual amplitude; and
controlling the DAC to output the first actual amplitude according to the first actual duration and to output the second actual amplitude according to the second actual duration.

US Pat. No. 10,338,170

PRE-AMPLIFIER FOR MAGNETIC RESONANCE IMAGING RADIO-FREQUENCY COIL

SHANGHAI KOITO AUTOMOTIVE...

1. A pre-amplifier for a magnetic resonance imaging radio-frequency coil, comprising an input matching circuit, an amplification circuit, an output matching circuit and a narrow band filter for filtering a magnetic resonance signal amplified by the amplification circuit;wherein the narrow band filter is an LC filter, and the LC filter and the output matching circuit form an integrated circuit; wherein the integrated circuit comprises an output capacitor Cm, an output inductor Lm, a first filter resistor Rm and a second filter resistor r, the first end and the second end of the output capacitor Cm are connected with the first output end and the second output end of the amplification circuit respectively the first end of the output inductor Lm is connected with the first output end of the amplification circuit, the two ends of the second filter resistor r are connected with the second end of the output capacitor Cm and the second end of the output inductor Lm respectively, and the first end of the first filter resistor Rm is connected with the second end of the output inductor Lm.

US Pat. No. 10,338,169

TRANSMITTER DEVICE FOR A MAGNETIC RESONANCE SCANNER

1. A transmitter device for a magnetic resonance scanner, the transmitter device comprising:a transmitter that is arranged in spatial proximity to a transmission coil, the transmission coil being connected to the transmitter,
wherein the transmitter is configured as a high-frequency power source that is connected directly to the transmission coil,
wherein the high-frequency power source comprises a voltage source and a discrete ?/4 transformer,
wherein the voltage source comprises a clocked switching voltage source with a plurality of switching elements, the voltage source being fed from an alternating voltage source during operation of the transmitter device, and
wherein the plurality of switching elements of the clocked switching voltage source are controlled in a digital synchronous fashion during the operation of the transmitter device, as a result of which amplitude modulation is produced based on a timing pattern of actuation of the plurality of switching elements and a frequency of a switching clock.

US Pat. No. 10,338,168

MAGNETIC RESONANCE MEASUREMENT APPARATUS WITH SELECTIVE FREQUENCY CONVERSION OF TRANSMISSION AND/OR RECEPTION SIGNAL

JEOL Ltd., Tokyo (JP)

1. A magnetic resonance measurement apparatus comprising:a transmission signal generator that generates a radio frequency (RF) transmission signal; and
a reception signal processor that processes an RF reception signal; and
a controller that controls the transmission signal generator and the reception signal processor, the controller selecting a frequency conversion scheme when an observation frequency serving as a magnetic resonance frequency of an observation nucleus falls within a first frequency band, and selecting a non-conversion scheme when the observation frequency falls within a second frequency band which is lower than the first frequency band, wherein the observation nucleus is a nucleus of a sample substance under observation during a measurement of magnetic resonance of the nucleus of the sample substance,
wherein the transmission signal generator comprises:
an original signal generator circuit that:
generates a frequency conversion scheme signal when the frequency conversion scheme is selected, wherein a frequency of the frequency conversion scheme signal is a fixed frequency; and
generates a non-frequency conversion scheme signal when the non-conversion scheme is selected, wherein a frequency of the non-frequency conversion scheme signal is based on the observation nucleus, and
a transmission side frequency converter circuit that converts the frequency conversion scheme signal into the RF transmission signal when the frequency conversion scheme is selected.

US Pat. No. 10,338,167

METHOD AND MAGNETIC RESONANCE IMAGING APPARATUS FOR DETERMINATION OF A SCAN PROTOCOL

Siemens Healthcare GmbH, ...

1. A method for computerized adaption of a magnetic resonance (MR) scan protocol, said method comprising:providing a scan protocol to a computer for an MR scan sequence to be executed by an MR system, said scan protocol comprising first values of scan parameters and first values of system parameters of said MR system, defined in a first coordinate system;
in said computer, determining coordinate-transformed first values of the system parameters that are defined in a second coordinate system that is rotated relative to the first coordinate system;
in said computer, checking whether the coordinate-transformed first values of the system parameters each comply with a respective limit value, thereby obtaining a check outcome;
when said check outcome indicates that the coordinate-transformed first values of the system parameters each comply with the respective limit value, adapting, in said computer, the first values of the scan parameters to obtain second values of the scan parameters;
in said computer, using said second values of said scan parameters to adapt the coordinate-transformed first values of the system parameters, to obtain second values of the system parameters; and
in said computer, generating control signals corresponding to an adapted scan protocol, comprising said second values of said scan parameters and said second values of said system parameters, for execution by said MR system, and emitting said control signals corresponding to adapted scan protocol from said computer to said MR system, and thereby operating the MR system so as to acquire MR data from a subject, and making the acquired MR data available from the computer as a data file.

US Pat. No. 10,338,166

MAGNETIC RESONACE IMAGING APPARATUS AND CONTROL METHOD THEREFOR

HITACHI, LTD., Tokyo (JP...

1. A magnetic resonance imaging apparatus, comprising:a bed including a top plate for moving an object placed thereon;
a magnetic field generation device that generates a magnetic field in an imaging space where imaging of the object is performed;
an irradiation coil that generates RF pulses to be emitted to the object;
an image generation device that detects an NMR signal generated by the object and generates an MRI image based on the detected NMR signal;
an input and output device configured to input an imaging position or imaging conditions of the object or to display the imaging position or the imaging conditions;
a storage device that stores data regarding an absorption rate of electromagnetic waves; and
a CPU that performs operations that includes:
calculates an amount of absorption of electromagnetic waves of the object upon emission of the RF pulses at the input imaging position based on the data regarding the absorption rate of electromagnetic waves read from the storage device,
determines whether the calculated value satisfies conditions of a specified value regarding absorption of electromagnetic waves,
controls an imaging operation at the imaging position in accordance with data indicating the imaging conditions or the imaging position determined that the amount of absorption of electromagnetic waves satisfies the conditions of the specified value,
measures the amount of absorption of electromagnetic waves of the object as a measured amount based on a RF pulse emitted in imaging,
calculates data regarding an absorption rate of electromagnetic waves of the object as specific absorption rate of an individual object based on the measured amount, and
recalculates the amount of absorption of electromagnetic waves of the object based on the specific absorption rate of the individual object.

US Pat. No. 10,338,165

EFFICIENT SPIN POLARIZATION

Quantum Valley Investment...

1. A method of controlling a spin ensemble comprising:coupling a cavity mode of a cavity with spin states of the spin ensemble in a sample environment, the sample environment comprising a static magnetic field, the spin ensemble defining a state space comprising a plurality of angular momentum subspaces, wherein the angular momentum subspaces are defined by a total angular momentum spin operator for the spin ensemble; and
generating an interaction between the cavity and the spin ensemble that increases polarization of the spin ensemble faster than the dominant thermal polarizing process affecting the spin ensemble in the sample environment,
wherein the interaction is generated by the coupling between the spin states and the cavity mode acting independently on each of the plurality of angular momentum subspaces of the spin ensemble.

US Pat. No. 10,338,164

VACANCY CENTER MATERIAL WITH HIGHLY EFFICIENT RF EXCITATION

LOCKHEED MARTIN CORPORATI...

1. A system for magnetic detection, comprising:a magneto-optical defect center material comprising a plurality of magneto-optical defect centers;
an optical light source configured to provide optical excitation to the magneto-optical defect center material;
an optical detector configured to receive an optical signal emitted by the magneto-optical defect center material; and
a radio frequency (RF) excitation source configured to provide RF excitation to the magneto-optical defect center material, the RF excitation source comprising:
an RF feed connector; and
a metallic material coated on the magneto-optical defect center material and electrically connected to the RF feed connecter.

US Pat. No. 10,338,163

MULTI-FREQUENCY EXCITATION SCHEMES FOR HIGH SENSITIVITY MAGNETOMETRY MEASUREMENT WITH DRIFT ERROR COMPENSATION

LOCKHEED MARTIN CORPORATI...

1. A system for magnetic detection, comprising:a magneto-optical defect center material comprising a plurality of magneto-optical defect centers;
a radio frequency (RF) excitation source configured to provide RF excitation to the magneto-optical defect center material;
an optical excitation source configured to provide optical excitation to the magneto-optical defect center material;
an optical detector configured to receive an optical signal emitted by the magneto-optical defect center material;
a magnetic field generator configured to generate a magnetic field applied to the magneto-optical defect center material; and
a controller configured to:
control the optical excitation source to apply optical excitation to the magneto-optical defect center material;
control the RF excitation source to apply a first RF excitation to the magneto-optical defect center material, the first RF excitation having a first frequency;
control the RF excitation source to apply a second RF excitation to the magneto-optical defect center material, the second RF excitation having a second frequency,
wherein the first frequency is a frequency associated with a first slope point of a fluorescence intensity response of a magneto-optical defect center orientation of a first spin state due to the optical excitation, the first slope point being a positive slope point, and
wherein the second frequency is a frequency associated with a second slope point of the fluorescence intensity response of the magneto-optical defect center orientation of the first spin state due to the optical excitation, the second slope point being a negative slope point;
measure a first fluorescence intensity at the positive slope point;
measure a second fluorescence intensity at the negative slope point; and
calculate a compensated fluorescence intensity based on the measured first fluorescence intensity and the measured second fluorescence intensity.

US Pat. No. 10,338,162

AC VECTOR MAGNETIC ANOMALY DETECTION WITH DIAMOND NITROGEN VACANCIES

LOCKHEED MARTIN CORPORATI...

1. A system for magnetic detection, comprising:a magneto-optical defect center material comprising a plurality of magneto-optical defect centers;
a magnetic field generator configured to generate a magnetic field;
a radio frequency (RF) excitation source configured to provide RF excitation to the magneto-optical defect center material;
an optical excitation source configured to provide optical excitation to the magneto-optical defect center material;
an optical detector configured to receive an optical signal emitted by the magneto-optical defect center material; and
a controller configured to:
control the magnetic field generator to apply a time varying magnetic field at the magneto-optical defect center material,
determine a magnitude and direction of the magnetic field at the magneto-optical defect center material based on a received light detection signal from the optical detector, and
determine a magnetic vector anomaly due to an object based on the determined magnitude and direction of the magnetic field according to a frequency dependent attenuation of the time varying magnetic field.

US Pat. No. 10,338,161

METHOD FOR MAGNETIC PARTICLE IMAGING HAVING UNLIMITED AXIAL FIELD OF VIEW

UNIVERSITAET ZU LUEBECK, ...

1. A method for tomographic imaging an object having magnetic particles distributed in the interior of the object and having a pre-known magnetic effectiveness, comprising the following stepsgenerating a selection field having a predetermined magnetic-field gradient in at least one field-free point (FFP) in a predetermined scan plane,
generating a time-dependent, periodic magnetic drive field having a predetermined maximum frequency,
repeatedly shifting the at least one FFP along a predetermined closed trajectory having a pre-known repetition time in the scan plane, moving the object through the scan plane along a predetermined feed direction at a predetermined feed velocity,
detecting the change in the magnetization state of the magnetic particles at the locations, traversed by the at least one FFP, in the interior of the object,
reconstructing the local particle concentrations at the locations, traversed by the at least one FFP, relative to an object coordinate system,
interpolating the reconstructed particle concentrations onto the locations, not traversed by at least one FFP, in the interior of the object,
generating a representation of the particle concentration distribution in the interior of the object,whereininterpolating the particle concentrations, reconstructed at path section end points of path sections along the feed direction, onto path section intermediate points taking into account the feed velocity.

US Pat. No. 10,338,160

HIGH-PRECISION IMAGING AND DETECTING DEVICE FOR DETECTING SMALL DEFECT OF PIPELINE BY HELICAL MAGNETIC MATRIX

TSINGHUA UNIVERSITY, Bei...

1. A high-precision imaging and detecting device for detecting a small defect of a pipeline by a helical magnetic matrix, comprising:a helical excitation module, comprising a helical excitation coil, the helical excitation coil being configured to induce an alternating current in the pipeline;
a magnetic matrix detection module, disposed at an inner side of the helical excitation coil and comprising one magnetic sensor group or comprising a plurality of magnetic sensor groups spaced apart and arranged along an axial direction of the helical excitation coil, each magnetic sensor group comprising a plurality of magnetic sensors evenly spaced apart and arranged along a circumferential direction of the helical excitation coil, and each magnetic sensor being configured to detect an induction magnetic field of the pipeline; and
a signal processing module, connected with the magnetic matrix detection module, and configured to receive, process and output an induction magnetic field signal of the pipeline detected by the magnetic sensor.

US Pat. No. 10,338,159

MAGNETIC-FIELD SENSOR WITH A BACK-BIAS MAGNET ARRANGEMENT

INFINEON TECHNOLOGIES AG,...

1. A sensor comprising:a magnetic-field sensor arrangement comprising a sensor plane; and
a back-bias magnet arrangement, wherein the back-bias magnet arrangement comprises an inhomogeneous magnetization within a magnetic body of the back-bias magnet arrangement, wherein a first magnetization vector M at a first point within the magnetic body of the back-bias magnet arrangement points in a different direction from a second magnetization vector M at a second point within the magnetic body of the back-bias magnet arrangement, wherein the first and second magnetization vectors M are neither parallel nor antiparallel and the back-bias magnet arrangement is located only on one side of the sensor plane, wherein a vector component of the first magnetization vector M perpendicular to the sensor plane has a same polarity of a vector component of the second magnetization vector M perpendicular to the sensor plane.

US Pat. No. 10,338,158

BIAS MAGNETIC FIELD SENSOR

INFINEON TECHNOLOGIES AG,...

1. A bias magnetic field sensor comprising:a sensor package comprising a sensing element, a first side configured to face a generator object, a second side configured to be remote from the generator object, a third side connecting the first side and the second side and a top side connecting the first side and the second side; and
an inhomogeneously magnetized unitary magnetic body configured to provide a magnetic field, the unitary magnetic body comprising an inhomogeneous magnetization within the unitary magnetic body, wherein a first magnetization vector M at a first point within the unitary magnetic body points in a different direction from a second magnetization vector M at a second point within the unitary magnetic body and the first and second magnetization vectors M are neither parallel nor antiparallel, the magnetization of the unitary magnetic body continuously varying,
wherein the unitary magnetic body comprises a first side configured to face the generator object, a second side configured to be remote to the generator object, a third side connecting the first side and the second side and a top side connecting the first side and the second side,
wherein the third side of the sensor package and the third side of the unitary magnetic body are the only sides attached to each other,
wherein the sensing element is arranged at the top side of the sensor package such that it is configured to sense the magnetic field in a top side plane, and
wherein the bias magnetic field sensor is configured to measure a modulation of the magnetic field by the generator object.

US Pat. No. 10,338,157

DETECTION OF BIOMAGNETIC SIGNALS USING QUANTUM DETECTOR ARRAYS

The United States of Amer...

1. A biosignal measurement device comprising:a cooler assembly;
a probe assembly;
a probe housing and a radome enclosing said probe assembly
a vacuum valve connected to said cooler assembly and said probe housing, said vacuum valve establishing a vacuum in said probe housing; and,
said probe assembly including a cold finger defining an axis, said cold finger terminating in at least one Superconducting Quantum Interference Device (SQUID) array (SQA) of High Temperature Superconducting (HTS) Josephson Junctions (JJs).

US Pat. No. 10,338,156

APPARATUS AND SYSTEM FOR AN ULTRA SENSITIVITY MAGNETO-OPTIC SENSOR FOR HIGH SENSITIVITY MAGNETIC FIELD DETECTION AND MEASUREMENTS

The United States of Amer...

1. An ultra-sensitivity optical-fiber magneto-optic field sensor comprising:an input fiber passing optical power from an optical source into the sensor;
a polarizer optically coupled to and downstream of the input fiber;
an analyzer optically coupled to and downstream of the polarizer;
an output fiber passing optical power out of the sensor to a photoreceiver;
a first magneto-optic crystal element optically coupled between the polarizer and the analyzer;
a second magneto-optic crystal element optically coupled between the first magneto-optic crystal element and the analyzer;
a first flux concentrator optically coupled to and between the polarizer and the first magneto-optic crystal element;
a second flux concentrator optically coupled to and between the second magneto-optic crystal element and the analyzer; and
a third flux concentrator optically coupled to and between the first and second magneto-optic crystal elements,
wherein the ultra-sensitivity optical-fiber magneto-optic field sensor has an optical axis extending between the input and output fibers along which a beam of optical power is transmitted, and
wherein the magneto-optic crystal element is a stack of crystals having a planar anisotropy.

US Pat. No. 10,338,155

MAGNETOMETER BODY AND THREE-AXIS INDUCTION MAGNETOMETER USING THE SAME

INSTITUTE OF ELECTRONICS,...

1. A three-axis Induction Magnetometer (IM), comprising:a sensor body module comprising three magnetometer bodies, wherein directions of magnetic cores of any two of the three magnetometer bodies are perpendicular to each other, and each of the magnetometer bodies comprises: a magnetic core structure with an H-shaped longitudinal section, having an middle portion being an elongated rod-shaped magnetic core, and two end portions being disk-shape magnetic flux concentrators; and an induction coil evenly wounded around a perimeter of the middle portion of the magnetic core structure; and
three chopper amplifier circuits each having an input connected to two ends of an induction coil in a corresponding magnetometer body to enhance amplitude of a signal output by the induction coil in through chopper amplification,
wherein each of the chopper amplifier circuits comprises:
a matching network module configured to compensate for an output resonant point of an induction coil to eliminate a resonant peak and smooth impedance at the resonant point;
a modulation module connected to the matching network module and configured to modulate a signal output by the matching network module to a high frequency with a square signal at a preset frequency to generate a chopping signal;
a current amplification module connected to the modulation module and configured to perform low-noise current amplification on the chopping signal output by the modulation module by using an operational amplifier or a pair transistor amplifier;
a demodulation module connected to the current amplification module and configured to demodulate a useful signal in the signal output by the current amplification module to a low frequency, and modulate a 1/f noise introduced by the operational amplifier or the pair transistor amplifier in the current amplification module to a high frequency; and
a filter module configured to filter out a high-frequency signal resulting from the modulating and demodulating processes to retain a useful magnetic field signal.

US Pat. No. 10,338,154

MAGNETIC FIELD MEASURING APPARATUS, ELECTRONIC TIMEPIECE, METHOD OF SETTING CORRECTION OF MEASURED MAGNETIC FIELD AND COMPUTER-READABLE MEDIUM

CASIO COMPUTER CO., LTD.,...

1. A magnetic field measuring apparatus comprising:a first processor;
a second processor having higher processing capability than the first processor;
a motion sensor configured to measure state of motion of the magnetic field measuring apparatus; and
a magnetic field sensor configured to measure a magnetic field,
wherein in response to when it is determined that the state of motion measured by the motion sensor being determined to be at a predetermined level or more, the first processor is configured to instruct the second processor to perform a magnetic field correction setting operation, and
wherein in response to being instructed by the first processor, the second processor is configured to perform the magnetic field correction setting operation comprising:
retrieving measurement values of the magnetic field from the magnetic field sensor which are measured at different postures according to a change of the state of motion; and
determining an offset correction value for a geomagnetic field measured by the magnetic field sensor based on the measurement values.

US Pat. No. 10,338,153

METHOD AND APPARATUS FOR AUTOMATICALLY ESTIMATING REMAINING USEFUL LIFE (RUL) OF BATTERY IN REAL TIME

Samsung Electronics Co., ...

1. A method of estimating a remaining useful life (RUL) of a battery, the method comprising:identifying a class of data of the battery;
determining whether the identified class of data is a first identified class;
performing a fine RUL estimation of the battery in response to a determination that the identified class of data is the first identified class; and
estimating a fine RUL of the battery in response to the determination of the first identified class.