US Pat. No. 10,459,176

COMMUNICATION LIGHT DETECTION DEVICE

HITACHI METALS, LTD., To...

1. A communication light detection device, comprising:a housing provided with a plurality of first optical adapters and a plurality of second optical adapters; and
a plurality of communication light detection portions provided in connection portions respectively for optically connecting together a first optical fiber provided in the housing and extended from the first optical adapters into the housing and a second optical fiber extended from the corresponding second optical adapters into the housing, to detect communication light transmitted via both the optical fibers,
wherein each of the communication light detection portions includes a respective light leak portion provided in the connection portions to allow a part of the communication light to leak, a respective light receiving element to detect the leak light leaked at the light leak portion, and a respective case for the communication light detection portions including a recessed groove for accommodating the connection portions and not transmitting the leak light,wherein a circuit board is included with the plurality of the light receiving elements mounted thereon together, and is provided, thereby closing the openings of the recessed grooves of the plurality of the communication light detection portion cases together.

US Pat. No. 10,459,175

OPTICAL DEVICE, AND OPTICAL COMMUNICATION MODULE USING THE SAME

FUJITSU OPTICAL COMPONENT...

1. An optical device comprising:a photonic integrated circuit having a modulator block and a photodetector block for transmitting and receiving optical signals via multiple channels; and
a wiring board configured to transmit and receive electrical signals to and from the photonic integrated circuit, multiple electrical wirings formed on the wiring board being associated with the multiple channels,
wherein the photonic integrated circuit has a first optical waveguide set extending from an output end of the modulator block to an output port of the photonic integrated circuit, and a second optical waveguide set extending from an input port of the photonic integrated circuit to an input end of the photodetector block,
wherein in the first optical waveguide set and the second optical waveguide set, each of optical waveguides is provided in a shortest path for each of the multiple channels, and,
wherein lengths of the multiple electrical wirings are set so as to compensate for a difference in optical waveguide length among the multiple channels.

US Pat. No. 10,459,174

BONDED FILTER SUBSTRATES

Hewlett Packard Enterpris...

1. A method comprising:fabricating a plurality of first filters on a first surface of a first wafer, wherein the plurality of first filters each transmit a first group of wavelengths of light;
fabricating a plurality of second filters on a second surface of a second wafer, wherein the plurality of second filters each transmit a second group of wavelengths of light, and further wherein the first group of wavelengths of light and the second group of wavelengths of light are different such that the first group of wavelengths of light configured to be transmitted through the plurality of first filters is configured to be reflected by the plurality of second filters after transmission through the plurality of first filters;
bonding the first wafer to the second wafer, wherein the first surface is bonded to the second surface such that the plurality of first filters and the plurality of second filters are positioned between the first wafer and the second wafer;
dicing the bonded first wafer and second wafer into sections that include one first filter and one second filter; and
performing one of the following: minimizing thin film stress from one of the plurality of first filters and the plurality of second filters; fabricating a coating on an opposite side of the first wafer from the first surface and on an opposite side of the second wafer from the second surface; grinding one of the first wafer and the second wafer prior to fabricating filters on the ground wafer; and matching a coefficient of thermal expansion of the first wafer, the second wafer, and thin films used to create the plurality of first filters and the plurality of second filters.

US Pat. No. 10,459,173

OPTICAL ASSEMBLY WITH CABLE RETAINER

3M Innovative Properties ...

1. An optical cable subassembly comprising:one or more optical waveguides;
at least one light coupling unit comprising a first attachment area permanently attached to the optical waveguides, the at least one light coupling unit comprising:
a first major surface comprising one or more substantially parallel first grooves oriented along a first direction and receiving the one or more optical waveguides, and
a second major surface for slidably contacting a mating light coupling unit, the second major surface comprising an optically transmitting window for propagating an optical signal therethrough, and a region of second grooves and lands configured to capture particles contaminants in the second grooves; and
at least one cable retainer comprising a second attachment area permanently attached to the optical waveguides and adapted to be installed in a housing, a length of the optical waveguides between the first attachment area and the second attachment area configured to allow a bend in the optical waveguides that provides a predetermined mating spring force at a predetermined angle of the light coupling unit when installed in the housing.

US Pat. No. 10,459,172

ADAPTER RETENTION MECHANISMS

Hewlett Packard Enterpris...

1. An adapter retention mechanism comprising:an adapter body having a first end and a second end, the first and second ends accepting first and second sets of ganged ferrules in use;
a first pair of closure members pivotably connected to the first end of the adapter body, the first pair of closure members comprising first and second locking mechanisms, the first pair of closure members being configured to engage the first set of ganged ferrules; and
a second pair of closure members pivotably connected to the second end of the adapter body, the second pair of closure members comprising third and fourth locking mechanisms, the second pair of closure members being configured to engage the second set of ganged ferrules.

US Pat. No. 10,459,171

OPTICAL TRANSCEIVER

Sumitomo Electric Industr...

1. An optical transceiver pluggable into an electronic apparatus, comprising:a housing having a rectangular solid-like shape extending in a direction pluggable into the electronic apparatus;
an electrical plug provided on an end of the housing closer to the electronic apparatus in the direction pluggable into the electronic apparatus, the electrical plug being electrically connected with the electronic apparatus when the optical transceiver is plugged into the electronic apparatus; and
a cover provided on the end of the housing, the cover covering at least a part of the electrical plug when the optical transceiver is extracted from the electronic apparatus, the cover moving with respect to the housing toward an extraction direction opposite to a direction of inserting the optical transceiver into the electronic apparatus (insertion direction) when the optical transceiver is inserted into the electronic apparatus, wherein
the housing has a groove extending in the extraction direction from the end of the housing,
the cover has a cover body and a cover tab, the cover body covering the at least a part of the electrical plug, the cover tab extending from the cover body in the extraction direction and slidable along the groove, and
the cover tab moves relative to the housing along the groove when the cover is pushed toward the housing in the extraction direction by pushing the optical transceiver in the insertion direction with a predetermined force or more.

US Pat. No. 10,459,170

SEALING AND RETENTION PLUG FOR A HYBRID CABLE

CommScope Connectivity Be...

1. A sealing and retention plug for a jacketed hybrid electrical optical cable, comprising:a plug assembly including a plug body, the plug body including:
a first end portion including an opening at a distal end configured to receive a jacketed hybrid electrical optical cable, the first end portion configured to slide over a distal end portion of a jacketed hybrid electrical optical cable;
a second end portion including:
a potting housing;
a cover assembly that is configured to slide over the potting housing, the cover assembly including a pair of conductor apertures for receiving conductors and a fiber aperture for receiving one or more of optical fibers; and
a closure interface assembly located between the first end portion and second end portion, the closure interface assembly configured to engage the exterior of a closure.

US Pat. No. 10,459,169

DISPERSION-COMPENSATIVE OPTICAL ASSEMBLY

Finisar Corporation, Sun...

1. An optical assembly comprising:a first grating device including a compensating grating;
a second grating device including a focusing grating with curved lines and unequal line spacings; and
a grating coupler of a planar waveguide device configured to receive an optical signal that has propagated through the first and the second grating devices,
wherein:
the first grating device is configured to receive a light beam from a fiber; and
the first grating device and the second grating device are configured to mutually compensate their wavelength dispersions such that after propagating through both the first grating device and the second grating device, the optical signals converge and are incident on the grating coupler with different input angles that respectively match optimal incidence angles configured for the different spectral components on the grating coupler.

US Pat. No. 10,459,168

OPTICAL DEVICES AND METHOD FOR TUNING AN OPTICAL SIGNAL

UNIVERSITE LAVAL, Quebec...

1. An optical device coupleable to a waveguide to receive an optical signal from the waveguide, the optical device comprising at least two optical grating devices optically coupled to one another and having corresponding spectral responses, the spectral response of at least one of said optical grating devices being tunable to adjust an amount of overlapping between the spectral responses of the at least two optical grating devices.

US Pat. No. 10,459,167

OPTICAL FIBER CAPABLE OF CONVERTING WAVELENGTH AND BACKLIGHT UNIT USING THE SAME

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

1. An optical fiber, comprising:a core portion; and
a cladding portion that covers an outer peripheral surface of the core portion;
wherein the cladding portion has a plurality of openings extending from an inside toward an outside along an extending direction of the core portion,
wherein the plurality of openings has a first crevice with which a color conversion material is filled and a second crevice with which a color conversion material is not filled,
wherein the first crevice and the second crevice are adjacent to each other.

US Pat. No. 10,459,166

OPTICAL COUPLING SCHEME

CALIOPA N.V., Zwijnaarde...

1. A waveguide structure for optical coupling between passive and active devices, the waveguide structure comprising:a SiN waveguide embedded in a cladding of a lower refractive index than the SiN waveguide, wherein the SiN waveguide operates in relevant wavelength ranges of (a) a 0-band with a range from 1260 nm to 1360 nm, (b) a C-band with a range from 1520 nm to 1570 nm, and/or (c) a L-band with a range from 1570 nm to 1610 nm;
a III-V waveguide of a higher refractive index than the cladding and is fabricated with an active device prior to transferring the III-V waveguide to a photonic integrated circuit;
an intermediate waveguide arranged with respect to the SiN waveguide and the waveguide to be at a same side of the intermediate waveguide; and
an optical coupling between the SiN waveguide and the waveguide through the intermediate waveguide.

US Pat. No. 10,459,165

OPTICAL MODULE

ELECTRONICS AND TELECOMMU...

1. An optical module comprising:a circuit substrate;
an electronic element mounted on one surface of the circuit substrate;
an optical element mounted on another surface perpendicular to the one surface of the circuit substrate;
a capacitor mounted on an inclined surface of the circuit substrate, the capacitor is mounted between the electronic element and the optical element; and
an optical waveguide array on which an optical waveguide is disposed,
wherein the optical waveguide is disposed to face the optical element.

US Pat. No. 10,459,164

COATING REMOVING DEVICE

FUJIKURA LTD., Tokyo (JP...

1. A coating removing device comprising:a heating section that includes:
a heater that heats a coating of an optical fiber; and
a blade that makes an incision in the coating of the optical fiber;
a gripping section that grips the optical fiber and moves with respect to the heating section;
a lid detector;
a separation detector; and
a counter that counts a coating removal event number when the lid detector detects a closed state of a lid of the heating section and the separation detector detects a separation between the heating section and the gripping section.

US Pat. No. 10,459,163

PHOTONIC CHIP WITH FOLDING OF OPTICAL PATH AND INTEGRATED COLLIMATION STRUCTURE

1. A photonic chip comprising a light guiding layer supported by a substrate and covered with an encapsulation layer, the photonic chip having a front face on the side of the encapsulation layer and a back face on the side of the substrate, the light guiding layer including a light guiding structure optically coupled to a vertical coupler configured to receive light from the waveguide and to form a light beam directed towards either the front face or the back face,wherein the photonic chip further comprises a collimation structure formed at least partly in the light guiding layer and an arrangement of one or several reflecting structures each on either the front face or the back face, said arrangement being made so as to propagate light between the vertical coupler and the collimation structure along an optical path with at least one fold.

US Pat. No. 10,459,162

SEMICONDUCTOR DEVICE

RENESAS ELECTRONICS CORPO...

1. A semiconductor device, comprising:a core layer,
a first clad layer having a refractive index lower than that of the core layer, and
a second clad layer having a refractive index lower than that of the core layer and different from that of the first clad layer,
the core layer comprising:
a first portion contacting with the first clad layer and overlapping with the first clad layer in a plan view;
a second portion comprising:
a first overlapping portion contacting with the first clad layer and overlapping with the first clad layer in the plan view; and
a second overlapping portion contacting with the second clad layer and overlapping with the second clad layer in the plan view, the second overlapping portion being adjacent to the first portion; and
a third portion contacting with the second clad layer and overlapping with the second clad layer in the plan view, the third portion being adjacent to the second portion and having a finite radius of curvature,
wherein, in a cross-section orthogonal to an extending direction of the second portion and passing through the second portion, a first ratio of a first contact area of an upper surface of the core layer and the first clad layer to a second contact area of the upper surface of the core layer and the second clad layer, and a second ratio of a third contact area of the upper surface of the core layer and the second clad layer to a fourth area of the core layer and the first clad layer are each a finite value more than 0,
wherein the first ratio, in the cross-section orthogonal to the extending direction of the second portion and passing through the second portion, is lower than the first ratio in a cross-section orthogonal to an extending direction of the first portion and passing through the first portion, and is greater than the first ratio in a cross-section orthogonal to an extending direction of the third portion and passing through the third portion, and
wherein the second ratio, in the cross-section orthogonal to the extending direction of the second portion and passing through the second portion, is greater than the second ratio in the cross-section orthogonal to an extending direction of the first portion and passing through the first portion, and is lower than the second ratio in a cross-section orthogonal to an extending direction of the third portion and passing through the third portion.

US Pat. No. 10,459,161

PHOTONIC WAVEGUIDE FORMED FROM CORE MATERIAL WITH TUNED INDEX OF REFRACTION

CISCO TECHNOLOGY, INC., ...

1. A photonic waveguide comprising:a layer of core material; and
a waveguide core extending through the core material;
wherein the core material surrounding the waveguide core is modified to simulate clad material and the photonic waveguide comprises a polymer waveguide.

US Pat. No. 10,459,160

GLASS WAVEGUIDE ASSEMBLIES FOR OE-PCBS AND METHODS OF FORMING OE-PCBS

Corning Optical Communica...

1. A glass waveguide assembly, comprising:a glass substrate comprising a body with a front-end section having a front end, a back-end section having a back end, a top surface extending parallel to an X-Y plane of the glass substrate, a bottom surface extending parallel to an X-Y plane of the glass substrate;
a waveguide array comprising a plurality of glass optical waveguides formed within a glass matrix of the body of the glass substrate, the glass optical waveguides running from the front-end section to the back-end section of the glass substrate and comprising respective optical end faces at the back end section of the glass substrate;
slots cut out of the back end of the glass substrate from the top surface of the glass substrate to the bottom surface of the glass substrate along an X-Z plane of the glass substrate to create waveguide sections in respective connector regions of the glass waveguide assembly, the slots separating the connector regions of the glass waveguide assembly along a direction X in the X-Z plane of the glass substrate;
a multi-fiber optical connector formed at or adjacent the back end of the glass substrate in each of the connector regions, each multi-fiber optical connector terminating the plurality of glass optical waveguides of the waveguide array at the respective optical end faces of the glass optical waveguides at the back end section of the glass substrate to provide optical communication to the plurality of glass optical waveguides formed within the glass matrix of the body of the glass substrate.

US Pat. No. 10,459,159

PHOTONIC PACKAGE AND METHOD FORMING SAME

Taiwan Semiconductor Manu...

1. A package comprising:a photonic die comprising a first hole and a second hole;
a silicon adapter over and attached to the photonic die, wherein the silicon adapter comprises a third hole and a fourth hole aligned to, and joined to, the first hole and the second hole, respectively;
an optical coupler comprising a portion overlapping the first hole and the third hole; and
a lamp overlapping the second hole and the fourth hole.

US Pat. No. 10,459,158

FEW-MODE OPTICAL FIBER

STATE GRID CORPORATION OF...

1. A few-mode optical fiber comprising:a fiber core and a cladding layer surrounding the fiber core, wherein the refractive index of the fiber core is n1;
the cladding layer comprising: a downward-concave cladding layer with a refractive index of n2 surrounding the fiber core; a first upward-convex cladding layer with a refractive index of n3 surrounding the downward-concave cladding layer, a second upward-convex cladding layer with a refractive index of n4 surrounding the first upward-convex cladding layer, an outer layer with a refractive index of n5 surrounding the second upward-convex cladding layer;
wherein the refractive indexes of the fiber core, the downward-concave cladding layer, the first upward-convex cladding layer, the second upward-convex cladding layer, and the outer layer satisfy: n1>n3>n4>n5>n2, the parameter between the fiber core and the downward-concave cladding layer is defined by F, with F=8.0 ?m˜10.0 ?m, where F=2(0.65+1.62V?3/2+2.88V?6)a1, and

 where V denotes the normalized frequency, a1 denotes the core radius, and ?0=1310 nm and 2.9

US Pat. No. 10,459,157

OPTICAL EMITTER PACKAGES

Analog Devices, Inc., No...

1. A low-inductance optical emitter package comprising:a carrier;
an optical emitter die mounted directly to the carrier using a conductive material, the optical emitter die electrically and mechanically connected to the carrier with the conductive material;
a switching die configured to switch a current to the optical emitter die on and off; and
an energy storage device mounted to the carrier, the energy storage device electrically and mechanically connected to the carrier with a second conductive material,
wherein the carrier provides electrical communication among the switching die, the optical emitter die, and the energy storage device.

US Pat. No. 10,459,156

LIGHT GUIDING MEMBER AND ILLUMINATION DEVICE

CANON KABUSHIKI KAISHA, ...

1. A light guiding member comprising:an incident surface;
an exit surface extending in a first direction;
a light guiding surface opposed to the exit surface, and being configured to guide light entering the incident surface to the exit surface;
a side surface connecting the exit surface and the light guiding surface; and
a held portion formed on the side surface,
wherein the light guiding surface includes a plurality of deflection portions arrayed in the first direction, and
wherein at least one of a density or a depth of each of the plurality of deflection portions differs between a first region on the light guiding surface, which corresponds to a region at which the held portion is present in the first direction, and a second region on the light guiding surface adjacent to each of both sides of the first region in the first direction.

US Pat. No. 10,459,155

BACKLIGHT MODULE AND DISPLAY DEVICE HAVING THE SAME

Radiant Opto-Electronics ...

1. A backlight module, comprising:a back plate;
a carrying member disposed on the back plate, wherein the carrying member comprises a first step portion and a second step portion, and the first step portion is elevated higher than the second step portion, wherein the second step portion comprises more than two carrying portions;
a light guide plate disposed on the back plate;
at least one optical film disposed above the light guide plate, wherein the at least one optical film is held on the second step portion; and
a light source disposed on the back plate, wherein the light source is disposed adjacent to a light-incident surface of the light guide plate;
wherein the back plate has a carrying surface and a sidewall, wherein the carrying surface has a side edge, and the sidewall protrudes from the carrying surface; and
wherein at least one portion of the first step portion is elevated higher than the sidewall, and the second step portion is disposed on the side edge.

US Pat. No. 10,459,154

ILLUMINATION APPARATUS AND ILLUMINATION SYSTEM

SONY CORPORATION, Tokyo ...

1. An illumination apparatus comprising:a light-emitting unit that includes (a) a light guide plate having an opening therethrough, (b) a light source to input light into the light guide plate, and (c) a reflective film at an upper surface of the light guide plate to reflect light propagated in the light guide plate out of a lower surface of the light guide plate; and
an apparatus-holding section extending through the opening and configured to detachably hold an apparatus at a lower end of the apparatus-holding section such that the apparatus is located below the lower surface of the light guide plate,
wherein the light guide plate and the apparatus-holding section are detachably attached to each other by a first twist and lock configuration, and the electronic apparatus is detachably attached to the apparatus-holding section by a second twist and lock configuration.

US Pat. No. 10,459,153

LIGHT GUIDE PLATE AND FABRICATING METHOD THEREOF, ARRAY SUBSTRATE AND FABRICATING METHOD THEREOF, AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A light guide plate for use in a liquid crystal display device, the liquid crystal display device comprising an array substrate with a gate driving circuit being fabricated in a pixel unit, the light guide plate comprising a light guide plate body and a plurality of net-dots disposed on the light guide plate body, the net-dots characterized by at least one of the following:a density of net-dots in a first region of the light guide plate body that is greater than a density of net-dots in a second region of the light guide plate body, wherein the first region corresponds to a first display region of the array substrate which is a region where the gate driving circuit is fabricated in the pixel unit, and wherein the second region corresponds to a second display region of the array substrate which is a region other than the first display region; and,
a diameter of net-dots in the first region of the light guide plate body is greater than a diameter of net-dots in the second region of the light guide plate body.

US Pat. No. 10,459,152

WIDE ANGLE IMAGING DIRECTIONAL BACKLIGHTS

RealD Spark, LLC, Beverl...

1. A directional waveguide comprising:an input end;
first and second opposed, laterally extending guide surfaces for guiding light along the waveguide; and
a reflective end facing the input end for reflecting the input light back along the waveguide, the second guide surface being arranged to deflect the reflected input light through the first guide surface as output light, and the waveguide being arranged to direct the output light into optical windows in output directions that are distributed in a lateral direction in dependence on the input position of the input light,
wherein the reflective end is a Fresnel reflector comprising alternating reflective facets and draft facets, each reflective facet having a plurality of convex, curved sub-facets, the reflective facets providing the Fresnel reflector with positive optical power laterally toward the input end of the waveguide.

US Pat. No. 10,459,150

LIGHT GUIDE PLATE, BACKLIGHT MODULE AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A light guide plate, comprising a light guide plate body, the light guide plate body comprising:a first surface serving as a light exit surface;
a second surface opposite to the first surface; and
a first side surface adjacent to the first surface and serving as a light incident surface, wherein
the first surface comprises a first region and a second region, the second region being located on a side of the first region remote from the first side surface, and
an optical structure for changing an angle of light emitted out from the first surface is provided in the second region, the optical structure comprising a curved structure recessed into the light guide plate body, wherein
in a section plane parallel to the first side surface, the optical structure has a U-shape the light guide plate body further comprises a second side surface opposite to the first side surface, and
a recess depth of the curved structure gradually increases in a first direction from the first side surface to the second side surface.

US Pat. No. 10,459,149

BACKLIGHT UNIT AND DISPLAY DEVICE INCLUDING THE SAME

SAMSUNG DISPLAY CO. LTD.,...

1. A backlight unit, comprising:a light source unit including a point light source;
a light guide plate including a coating layer and disposed on a path of light emitted from the light source unit, wherein a plurality of split patterns is defined in the light guide plate,
wherein
the plurality of split patterns transmits a part of the light emitted from the light source unit and reflects a remaining part thereof, and
the plurality of split patterns is concentrically arranged on the light guide plate and around the light source unit,
the coating layer is disposed to surround a light splitting portion, and
each of the plurality of split patterns include the light splitting portion having an incident surface on which the light emitted from the light source unit is incident.

US Pat. No. 10,459,148

DISPLAY DEVICE AND LIGHT GUIDE PLATE

MEMSLUX, (KR)

1. A display device comprising:a light source; and
a light guide plate,
wherein the light guide plate comprises:
a light guiding part which guides light incident on a side thereof from the light source by total internal reflection;
a fine pattern portion which emits the guided light only to an upper portion of the light guiding part;
a guard ring portion which protects the fine pattern portion from the intrusion of impurities; and
a light emitting member which is disposed on a top surface of the fine pattern portion and a top surface of the guard ring portion,
and wherein the light guide plate is formed of a transparent material.

US Pat. No. 10,459,147

DUAL SURFACE COLLIMATOR AND 3D ELECTRONIC DISPLAY EMPLOYING GRATING-BASED BACKLIGHTING USING SAME

LEIA INC., Menlo Park, C...

1. A dual surface collimator comprising:an entrance surface having a curved shape, the entrance surface being configured to refract incident light from a light source; and
a reflector surface opposite to the entrance surface and having another curved shape, the reflector surface being configured to reflect the refracted light back toward the entrance surface, the entrance surface being further configured to re-reflect the reflected light by total internal reflection toward an output aperture of the dual surface collimator,
wherein the curved shapes and a relative orientation of the entrance surface and the reflector surface, in combination, are configured to convert the incident light into dual-direction collimated light at the output aperture, the dual-direction collimated light having a non-zero propagation angle relative to a horizontal plane of the dual surface collimator.

US Pat. No. 10,459,146

DISPLAY DEVICE WITH BACKLIGHT MODULE AND METHOD FOR MANUFACTURING THE SAME

INNOLUX CORPORATION, Mia...

1. A display device, comprising:a decorative film;
a backlight module, comprising:
a reflective layer, disposed on the decorative film;
a light guide plate, disposed on the reflective layer, wherein the light guide plate has a first surface and a second surface opposite to the first surface, and the first surface faces the reflective layer;
a set of optical films, comprising a first diffusion layer, wherein the first diffusion layer is disposed over the second surface of the light guide plate; and
a refractive layer, disposed on the first surface or the second surface of the light guide plate, wherein the refractive layer has a refractive index between 1.15 and 1.45; and
a display panel, disposed on one side of the set of optical films far away from the light guide plate.

US Pat. No. 10,459,145

WAVEGUIDE DEVICE INCORPORATING A LIGHT PIPE

DigiLens Inc., Sunnyvale...

1. A waveguide apparatus comprising in combination:a light guide device comprising a light pipe having a set of one or more reflecting surfaces disposed around an optical axis configured to guide light from a first end along a spiral-like total internal reflection path therethrough to a second end;
a light coupling element in optical contact with an elongate portion of a reflecting surface of the set of said reflecting surfaces, wherein diffraction efficiency of said light coupling element is spatially varied on a first face of said coupling element along an axis parallel to a first direction; and
an optical waveguide in optical contact with said light coupling element;
wherein said light coupling element is configured to extract at least a portion of said light guided through said light pipe along the reflecting surface in optical contact with said light coupling element such that the extracted light is coupled into said optical waveguide and propagates in a second direction along a path of total internal reflection within said optical waveguide.

US Pat. No. 10,459,144

DISPLAY MODULE

INNOLUX CORPORATION, Chu...

1. A display module, comprising:a display panel; and
a backlight module disposed on a side of the display panel, the backlight module comprising:
a light guide;
a light emitting diode having a light emitting surface, wherein the light emitting surface is adjacent to the light guide; and
a first optical film located between the light guide and the display panel, the first optical film comprising a first prism, the first prism extending along a first direction;
wherein the first prism has a first unit area and a second unit area;
wherein an edge of the first unit area is spaced apart from an outer edge of the first prism by 250 ?m, an edge of the second unit area is located at the outer edge of the first prism, sizes of the first unit area and the second unit area are 1 ?m*1 ?m respectively, a first part of the first prism in the first unit area has a first average height, a second part of the first prism in the second unit area has a second average height, and the first average height is larger than the second average height.

US Pat. No. 10,459,143

BACKLIGHT

Japan Display Inc., Toky...

1. A backlight comprising:a light emitting diode;
a wiring board;
a light guide plate;
an optical sheet; and
a light shielding tape,
wherein
the light emitting diode has an emission region and is mounted on the wiring board,
the light guide plate has a side surface into which light from the light emitting diode enters, and a front surface from which the light exits,
the optical sheet overlaps with the front surface of the light guide plate,
the light shielding tape adheres to the wiring board,
the front surface of the light guide plate includes an effective region serving as a planar light source and a light entering region between the side surface and the effective region, and
the optical sheet overlaps with the light shielding tape in the light entering region.

US Pat. No. 10,459,141

COLLECTION AND GUIDING OF AMBIENT LIGHT TOWARDS DISPLAY LAYER

Hewlett-Packard Developme...

1. A display assembly comprising:an electronic transmissive display layer to display an image viewable from above the display layer;
a light collector around the display layer to collect ambient light from above the display layer; and
a light guide layer below the display layer to guide the collected ambient light towards and through the display layer.

US Pat. No. 10,459,140

IMAGE DISPLAY DEVICE

SONY CORPORATION, Tokyo ...

1. A head mounted display device comprising: a first image display device for a first eye, the first image display device including a first image forming device and a first optical device, the first optical device includinga first light guide plate having opposed front and rear surfaces and extending lengthwise along a first direction,
a first diffractive optical member of the first optical device for reflecting light input to the first light guide plate and which is disposed on a rear surface of the first light guide plate, and
a second diffractive optical member of the first optical device for reflecting light propagated within the first light guide plate and which is disposed on the rear surface of the first light guide plate; and
a second image display device for a second eye, the second image display device including a second image forming device and a second optical device, the second optical device including
a second light guide plate having opposed front and rear surfaces and extending lengthwise along a second direction that intersects with the first direction,
a third diffractive optical member of the second optical device for reflecting light input to the second light guide plate and which is disposed on a rear surface of the second light guide plate, and
a fourth diffractive optical member of the second optical device for reflecting light propagated within the second light guide plate and which is disposed on the rear surface of the second light guide plate,
wherein the first image forming device is positioned over the front surface of the first light guide plate, and the second image forming device is positioned over the front surface of the second light guide plate,
wherein the first image forming device and the first optical device are parallel to the first direction in a top view, the second image forming device and the second optical device are parallel to the second direction in the top view, a center of the first image forming device tilts from a center line of the first diffractive optical member perpendicular to the first direction, and a center of the second image forming device tilts from a center line of the third diffractive optical member perpendicular to the second direction,
wherein a thickness of the second diffractive optical member is thinner than a thickness of the first diffractive optical member, and
wherein a thickness of the fourth diffractive optical member is thinner than a thickness of the third diffractive optical member.

US Pat. No. 10,459,139

LIGHTING APPARATUS

PANASONIC INTELLECTUAL PR...

1. A lighting apparatus that wavelength-converts laser light guided by an optical fiber to output light having a different wavelength as the laser light, the lighting apparatus comprising:a holder that holds the optical fiber;
a wavelength converter that wavelength-converts the laser light emitted from the optical fiber; and
a case that holds the wavelength converter and houses the holder, wherein
the holder includes a groove into which one end of the optical fiber is fitted, the groove being straight.

US Pat. No. 10,459,138

HIGH CONTRAST INVERSE POLARIZER

Moxtek, Inc., Orem, UT (...

1. An embedded, inverse wire-grid polarizer (WGP) comprising:ribs located over a surface of a transparent substrate, the ribs being elongated and formed into an array, the ribs are metallic;
at a wavelength of light incident upon the WGP in a range ?175 nm, E? transmission >E? transmission, where E? is a polarization of the light with an electric field oscillation parallel to a length of the ribs and E? is a polarization of the light with an electric field oscillation perpendicular to a length of the ribs;
gaps between the ribs and a fill-layer substantially filling the gaps; and
at the wavelength of the light, the ribs are reflective, the fill-layer is transparent, and the fill-layer has an index of refraction greater than 1.7.

US Pat. No. 10,459,137

METAL WIRE GRID POLARIZATION PLATE AND MANUFACTURING METHOD THEREOF, DISPLAY PANEL AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A manufacturing method of a metal wire grid polarization plate, comprising:forming a light absorption layer on a side of a substrate;
forming a metal layer on the light absorption layer; and
patterning the metal layer and the light absorption layer to form a metal wire grid and a light absorption wire grid, wherein
the metal wire grid is formed of a first metal, the light absorption wire grid is formed of an oxide of a second metal, and the second metal is different from the first metal, wherein
the forming the light absorption layer on the side of the substrate comprises: depositing copper or chromium on the substrate; oxidizing the copper or the chromium by using oxygen plasma to form the light absorption layer; and
the patterning the metal layer and the light absorption layer to form the metal wire grid and the light absorption wire grid comprises: forming a photoresist on the metal layer; patterning the photoresist to form a photoresist wire grid; etching the metal layer and the light absorption layer not covered by the photoresist wire grid to form the metal wire grid and the light absorption wire grid; and stripping off the photoresist wire grid to form the metal wire grid polarization plate.

US Pat. No. 10,459,136

OPTICAL LAMINATE, POLARIZING PLATE AND ORGANIC EL DISPLAY DEVICE

FUJIFILM Corporation, To...

1. An optical laminate comprising:a transparent support;
an optically anisotropic layer A; and
an optically anisotropic layer B,
wherein the optically anisotropic layer A and the optically anisotropic layer B come into direct contact with each other,
either or both of the optically anisotropic layer A and the optically anisotropic layer B are formed of a composition containing a liquid crystal compound,
surface energy A of a surface of the optically anisotropic layer A on a side in contact with the optically anisotropic layer B is 30 to 40 mN/m,
surface energy B1 of a surface of the optically anisotropic layer B on a side in contact with the optically anisotropic layer A is 35 mN/m or more, and
surface energy B2 of a surface of the optically anisotropic layer B opposite to the side in contact with the optically anisotropic layer A is 25 mN/m or less, and
wherein the optical laminate includes the transparent support, the optically anisotropic layer A, and the optically anisotropic layer B in this order, with the transparent support being in direct contact with the optically anisotropic layer A.

US Pat. No. 10,459,135

OPTICAL MODULE AND ELECTRONIC DEVICE HAVING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. An electronic device comprising:a housing comprising a first surface facing a first direction, a second surface facing a second direction opposite the first direction, and a side surface surrounding at least part of space between the first surface and the second surface;
a display disposed inside the housing and exposed through a first region of the first surface;
an optical module comprising optical circuitry disposed inside the housing and configured to receive and/or emit infrared radiation, wherein the optical module is disposed below a second region of the first surface adjacent to the first region of the first surface; and
a processor electrically connected with the display and the optical module,
wherein the first surface includes:
a glass layer that is substantially transparent;
a film layer disposed under a rear surface of the glass layer and including an opening overlapping at least part of the optical module and having a dimension corresponding to at least part of the optical module when viewed from above the first surface; and
a visible-light-absorbing member comprising a visible-light-absorbing material disposed under the rear surface of the glass layer, the visible-light-absorbing member overlapping at least part of the opening when viewed from above the first surface, and
wherein the visible-light-absorbing member is configured to absorb light in a first wavelength range and to allow light in a second wavelength range to pass through the visible-light-absorbing member.

US Pat. No. 10,459,134

UV-BLOCKING COATING WITH CAPPING LAYER IN OPTICAL ASSEMBLY HAVING UV LIGHT SOURCE

Corning Incorporated, Co...

1. An optical assembly comprising:an optical element, the optical element including a circumferential portion surrounding a central portion;
a blocking coating in direct contact with the circumferential portion of the optical element, the central portion of the optical element being free of the blocking coating, the blocking coating including a light absorber that does not transmit light with wavelengths from greater than or equal to about 190 nm to less than or equal to about 500 nm;
a capping layer in contact with the blocking coating and differing in composition from the light absorber, the capping layer comprising a material selected from the group consisting of SiO2, metal oxides, metal nitrides, and metal carbides, the light absorber being positioned between the capping layer and the optical element; and
an ultraviolet light source, wherein the optical element is positioned between the ultraviolet light source and the light absorber.

US Pat. No. 10,459,133

GRATING WITH PLURALITY OF LAYERS

Hewlett Packard Enterpris...

1. A grating, comprising:a first grating layer composed of a silicon material, and comprising a set of silicon structures separated by a first set of gaps; and
a second grating layer over the first grating layer and composed of a III-V material, the III-V material having a monocrystalline structure, and comprising a set of III-V structures separated by a second set of gaps.

US Pat. No. 10,459,132

OPTICAL MEMBER, METHOD OF MANUFACTURING OPTICAL MEMBER, AND IMAGE DISPLAY DEVICE

FUJIFILM Corporation, To...

1. An optical member comprising:a substrate; and
a dot that is formed on a surface of the substrate,
wherein the dot has wavelength selective reflecting properties,
the dot has a cholesteric structure,
the cholesteric structure has a stripe pattern including bright portions and dark portions in a cross-sectional view of the dot when observed with a scanning electron microscope,
a surface shape of the dot opposite to the substrate in a cross-section of the dot in a thickness direction has at least one inflection point,
in the cross-section of the dot in the thickness direction, an angle between a normal line perpendicular to a line, which is formed using a first dark portion from a surface of the dot opposite to the substrate, and the surface of the dot is in a range of 70° to 90°, and
the number of dot surfaces perpendicular to a direction, which is tilted from the normal direction perpendicular to the substrate to one arbitrary orientation by 60°, of each dot is two or more.

US Pat. No. 10,459,130

CHROMATIC REFLECTIVE UNIT

COELUX S.R.L., Lomazzo (...

1. A chromatic reflective unit comprising:a support structure comprising a plurality of non-coplanar surface sections,
a reflective layer formed on the plurality of non-coplanar surface sections, thereby forming a plurality of non-coplanar reflective surface sections, respectively associated with one of the plurality of non-coplanar surface sections, and
a chromatic diffusing layer having a back side provided at the reflective surface sections and a front side configured to be illuminated by incident light, wherein the chromatic diffusing layer comprises a plurality of nanoparticles embedded in a matrix, and wherein the reflective layer and the chromatic diffusing layer are configured to provide for a specular reflectance that is larger in the red than in the blue and for a diffuse reflectance that is larger in the blue than in the red.

US Pat. No. 10,459,129

LIGHT DIFFUSER BETWEEN TWO PLATES WITH VARYING PROPERTIES

SIGNIFY HOLDING B.V., Ei...

1. A light diffuser comprising a light diffusing element, wherein the light diffusing element comprises a flexible translucent material, the light diffuser comprising a first plate and a second plate and a motive element configured for varying the distance between said first plate and second plate, said first and second plates being rigid and translucent, the light diffusing element being arranged between said first and second plates in such a way that one first main surface of the light diffusing element is coupled with the first plate, and one second main surface of the light diffusing element is coupled with the second plate, at least one of said first or second surface comprising a plurality of cavities and/or excrescences, wherein the first and second plates are adapted to be moved closer to or further away from each other, so that light diffusion properties of the light diffuser are varied.

US Pat. No. 10,459,128

LIQUID CRYSTAL DEVICE AND METHOD OF MANUFACTURE

The University of Manches...

1. A liquid crystal device for focusing visible light, the liquid crystal device comprising:a plurality of curved substrates arranged to form one or more curved cavities therebetween, each substrate being configured to provide a focal power, wherein the one or more curved cavities contain liquid crystal and form one or more liquid crystal elements, each of the one or more liquid crystal elements being configured to provide a focal power, the focal power of each of the liquid crystal elements being dependent on the curvature of the respective cavity and a voltage applied across the liquid crystal contained within the respective cavity, and wherein the substrates in combination with the one or more liquid crystal elements are arranged to provide a first focal power in a substantial absence of an applied voltage and a second focal power in response to an applied voltage, wherein surfaces, of the plurality of curved substrates arranged to form at least one curved cavity therebetween, that are in contact with at least one of the liquid crystal elements, have different curvature radii and wherein the at least one of the liquid crystal elements has a non-uniform thickness and takes on the shape of the at least one curved cavity formed by the surfaces of the plurality of curved substrates.

US Pat. No. 10,459,127

FOURIER LENS, METHOD FOR DESIGNING FOURIER LENS, AND SCHLIEREN APPARATUS

NANKAI UNIVERSITY, Tianj...

1. A method for designing a Fourier lens, wherein the Fourier lens comprises a substrate and a plurality of cuboid waveguides, wherein the plurality of waveguides are arranged on the substrate in parallel and spaced from each other at a preset interval; a material of the substrate and a material of the plurality of cuboid waveguides are all transparent to a working waveband of the Fourier lens, and the preset interval is smaller than a quotient obtained by dividing a center wavelength of the working waveband by a refractive index of the substrate, the plurality of cuboid waveguides have a plurality of widths, the plurality of cuboid waveguides of different widths correspond to different phase delays, and individual waveguides are arranged on the substrate according to phase delays required at different positions, the method comprising:determining, according to a working waveband of the Fourier lens to be designed, a material of the substrate and a material of the waveguides;
performing, according to the working waveband, the material of the substrate and the material of the waveguides, an electromagnetic wave simulation to determine parameters of the waveguides, wherein the parameters of the waveguides comprise: a height of the waveguides, a plurality of widths of the waveguides, and a preset interval between adjacent waveguides;
determining, according to a designed focal length and the preset interval of the Fourier lens, positions where the plurality of waveguides are arranged on the substrate; and
manufacturing, with a micromachining technology, the Fourier lens according to the parameters and the positions where the waveguides are arranged,
wherein the performing further comprises:
selecting the height of the waveguides according to the working waveband, and selecting the preset interval between adjacent waveguides according to the material of the substrate and the working waveband;
performing, according to the material of the waveguides, the selected height of the waveguides and the preset interval, an electromagnetic wave simulation with a Finite Difference Time Domain method or a Finite Element Method, so as to obtain a set of simulation results representative of a correspondence between the widths of the waveguides and phase delays; and
selecting a plurality of simulation results from the set of simulation results, with the selected simulation results covering the phase delays greater than or equal to ?? and smaller than ?, and adding the widths of the waveguides, corresponding to the individual phase delays of the selected simulation results, into the parameters of the waveguides of the Fourier lens.

US Pat. No. 10,459,126

VISUAL DISPLAY WITH TIME MULTIPLEXING

Tesseland LLC, Glendale,...

1. A display device comprising:a display, operable to generate a real image; and
an optical system, comprising a plurality of optical channels, each of the optical channels comprising one or more lenslets, arranged to generate one or more portions of a virtual image from one or more respective partial real images on the display associated with that channel, by each lenslet projecting light from the display to an eye position;
wherein the portions of the virtual image combine to form a virtual image viewable from the eye position so that different optical channels image a same portion of the display to different portions of the virtual image;
comprising a light switching system allowing a flow of light through selected ones of the channels from the display to a pupil range and preventing a flow of light through other selected ones of the channels from the display to the pupil range;
wherein the light switching system is arranged to successively open the optical channels to allow light to flow successively through the optical channels and, while each of the optical channels is open, the display is arranged to display the one or more respective partial real images associated with that channel; and
wherein the display is a digital display comprising object pixels, wherein the object pixels are grouped into clusters of contiguous pixels, each cluster forming a partial real image and associated with a respective lenslet that belongs to one of the optical channels, wherein at least some object pixels belong to more than one cluster at different times, according to which of the respective optical channels is active.

US Pat. No. 10,459,125

OPTICAL MEMBER, METHOD FOR MANUFACTURING OPTICAL MEMBER, AND OPTICAL FILM OF OPTICAL MEMBER

Canon Kabushiki Kaisha, ...

1. A method for manufacturing an optical member including a laminated body configured to reduce light reflection disposed on a substrate, comprising:1) preparing a polymer solution by mixing a solution of a linear polyimide polymer dispersed in a solvent and a solution of a branched melamine polymer dispersed in a solvent;
2) applying the polymer solution to a substrate or a thin film disposed on the substrate and forming a polymer layer of the linear polyimide polymer on the branched melamine polymer on the substrate or the thin film, wherein the polymer layer comprises 37% by weight or more and 55% by weight or less of the branched melamine polymer and 45% by weight or more and 63% by weight or less of the linear polyimide polymer based on a total weight of the linear polyimide polymer and the branched melamine polymer; and
3) forming a porous layer or a layer having a textured structure on the polymer layer.

US Pat. No. 10,459,124

LAYER SYSTEM AND OPTICAL ELEMENT COMPRISING A LAYER SYSTEM

1. A method for producing an optical element, comprising an interferometric layer system arranged on at least one surface of a substrate with a stack of at least three successive multilayers, each multilayer comprising a first layer with a first optical phase and a second layer with a second optical phase that is different from the first optical phase, the optical phase being (d/?)*n where d is a layer thickness, ? is a design wavelength and n is an index of refraction for the layer,wherein the first layer is a high refractive layer having a refractive index higher than the second layer which is a low-refractive layer,
wherein the first layer is under the second layer,
wherein a product of reflectivity, averaged over the visible range of the light from 380 nm to 800 nm and the ratio of quotients is less than 1 in order to achieve an anti-reflection and/or anti-reflective effect of the stack of multilayers, or is set to be greater than or equal to 1 in order to achieve a mirroring effect of this stack, and
wherein a ratio of quotients of the optical phase of the first layer and the optical phase of the second layer of the respective multilayer for a parameter for a stack of three or five successive multilayers is

and wherein i=1 to nmax, for nmax=3 or nmax=5, denotes the order of the multilayers in the stack, and vi results from a quotient of the optical phase of the first layer to the second layer of a respective multilayer, or
for a stack of four successive multilayers is

wherein the digits 1 to 4 denote the order of the multilayers in the stack, and vi with i=1 to 4 results from a quotient of the optical phase of the first layer to the second layer of a respective multilayer,
selecting a value for the product of reflectivity and the ratio of quotients; and
forming the thickness of the layers in the multilayers to achieve the selected value.

US Pat. No. 10,459,123

OPTICAL MEMBER, IMAGE PICKUP APPARATUS, AND METHOD FOR MANUFACTURING OPTICAL MEMBER

Canon Kabushiki Kaisha, ...

1. An optical member comprising:a substrate; and
a film containing a plurality of chain particles and having a refractive index of 1.20 or more and 1.27 or less at a wavelength of 550 nm, on the substrate, wherein
the film includes an alcohol having an ether bond or an ester bond and having a branched structure having 4 to 7 carbon atoms in an amount within a range of 1.0 mg/cm3 or more and 2.8 mg/cm3 or less.

US Pat. No. 10,459,122

MANUFACTURING METHOD OF ANTI GLARE LAYER AND DISPLAY PANEL

Wuhan China Star Optoelec...

1. A manufacturing method of an anti glare layer, comprises steps of:preparing a spray solution comprising transparent organic resin particles, each having a metal-oxide shell structure;
spraying the spray solution uniformly onto the glass substrate by a spraying device to form an arrangement structure on the glass substrate;
spraying an acidic liquid on the arrangement structure to remove the metal-oxide shell structures of the particles each having the metal-oxide shell structure to form gaps among the particles;
implementing an annealing treatment to the particles to form the anti glare layer.

US Pat. No. 10,459,121

INCREASED THERMAL STABILIZATION OF OPTICAL ABSORBERS

The Research Foundation f...

1. A thermally stable optical absorber, comprising:a metal oxide particle;
a first metal binding moiety, bound to a metal atom of the metal oxide particle;
an optical absorber dye having a resonant pi-conjugated optical absorbance structure; and
a first linker, covalently bonded to the first metal binding moiety, comprising an alkyl group having a chain length of C3-C10 non-conjugated carbons and to the optical absorber dye, configured to separate the first metal binding moiety and the optical absorber dye by at least three non-conjugated carbon atoms, to prevent the metal oxide particle from quenching the resonant pi-conjugated optical absorbance structure of the optical absorber dye.

US Pat. No. 10,459,120

METHOD AND APPARATUS FOR PROVIDING A WEATHER VOLATILITY INDEX

HERE Global B.V., Eindho...

1. A computer-implemented method comprising:retrieving weather data collected from one or more weather sensors over a temporal domain, a spatial domain, or a combination thereof, wherein the one or more weather sensors provide the weather data for each of a plurality of geographic points;
calculating based on the weather data to determine how much at least one weather attribute changes per geographic point over the temporal domain, the spatial domain, or a combination thereof as volatility data for the at least one weather attribute;
generating a volatility index to represent the volatility data per geographic point over the temporal domain, the spatial domain, or a combination thereof; and
interpolating subsequent weather data collected from the respective geographic point or from a geographic area represented by the respective geographic point using a time limit, a distance limit, or a combination thereof per geographic point or area based on the respective volatility index, wherein the time limit, the distance limit, or a combination thereof vary for the geographic points or areas based on the respective volatility index.

US Pat. No. 10,459,119

SYSTEM AND METHOD FOR PREDICTING SUNSET VIBRANCY

1. A prediction system for forecasting conditions for photography about a time of sunrise or about a time of sunset, the prediction system comprising a computer system having one or more computer devices and computer memory which interact with a user device used by a user of the system, the computer memory storing executable code that, when executed, enables the computer system to perform a process that comprises the steps of:determining a location of interest;
collecting weather forecast data at or about twenty to forty minutes within a time of either sunrise or sunset, at the location and a surrounding area adjacent the location via the computer system, wherein the computer system collects the weather forecast data at a plurality of particular intervals in view of an update to the weather forecast data, the collected weather forecast data comprising:
cloud density; and
cloud altitude;
constructing a three-dimensional model of an atmosphere and a surrounding terrain in view of the collected weather forecast data by referencing the location of interest with surrounding topographical information retrieved from a database and by segmenting cloud altitudes into a plurality of categories including low clouds, medium clouds, and high clouds;
determining whether there will be clouds at the location and whether sunlight will be obstructed by obstructing clouds in the surrounding area between the sun and the clouds at the location to determine conditions for photography at or about twenty to forty minutes within the time of either sunrise or sunset by determining a relative altitude of the location of interest with regards to the surrounding terrain between the location of interest and the sun;
determining a forecast rating of forecast conditions for photography at or about twenty to forty minutes within the time of either sunrise or sunset based upon the clouds at the location and presence of any obstructing clouds;
generating an overlay of the forecast rating, generated from the multiple categories of cloud layers including the low clouds, the medium clouds, and the high clouds, onto a four-dimensional map, having a horizontal axis X and Y, a vertical axis Z, and time, via the computer system in view of a first update to the forecast data at a first of the plurality of particular intervals, wherein the overlay visually indicates the forecast rating in view of a first color shade at the location;
reporting the forecast rating via a first alert sent to a user device in response to the forecast rating exceeding a user selected threshold value, wherein the user device is configured to display the overlay onto the four-dimensional map;
updating the overlay of an updated forecast rating onto the four-dimensional map via the computer system in view of a second update to the forecast data at a second of the plurality of particular intervals, wherein the overlay visually indicates the updated forecast rating in view of a second color shade at the location; and
reporting the updated forecast rating, via a second alert sent to the user device in response to the forecast rating exceeding the user selected threshold value, wherein the user device is configured to display the overlay onto the four-dimensional map, so that a user can determine whether to plan photography at the location.

US Pat. No. 10,459,118

METHODS AND SYSTEMS FOR ESTIMATING SIZES AND EFFECTS OF WELLBORE OBSTRUCTIONS IN WATER INJECTION WELLS

Saudi Arabian Oil Company...

1. A method to estimate one or more physical dimensions of one or more actual obstructions in a wellbore of an injection well, the method comprising:(a) estimating one or more locations within the wellbore and one or more physical dimensions of one or more actual obstructions to thereby define an obstruction;
(b) obtaining two or more sets of actual measurements of two or more characteristics of fluid flow in the wellbore including two or more actual injection rates and two or more actual injection pressures;
(c) calculating a plurality of upstream pressure values of the obstruction;
(d) calculating a plurality of corresponding downstream pressure values across the obstruction responsive to a first estimated injectivity index value;
(e) determining a plurality of pressure differentials between the upstream pressure values and the corresponding downstream pressure values with a first set of actual fluid injection rates responsive to one or more estimated downhole choke behaviors for the wellbore to thereby model fluid flow across the obstruction to thereby define a simulated obstruction model;
(f) determining a first outflow performance relationship for the fluid flow through the wellbore responsive to the simulated obstruction model to thereby model well performance with the obstruction;
(g) determining a second estimated injectivity index value responsive to matching a first set of actual measurements of two or more characteristics of fluid flow in the wellbore with a set of simulated fluid flow values obtained from the model well performance with the obstruction;
(h) performing iteratively steps (b) to (g) until the first estimated injectivity index value and the second estimated injectivity index value converge within preselected tolerance limits;
(i) determining one or more physical dimensions of the obstruction in the wellbore responsive to the simulated obstruction model and a plurality of measurements of one or more characteristics associated with the wellbore responsive to the first estimated injectivity index value and the second estimated injectivity index value converge within preselected tolerance limits; and
(j) determining one or more changes to well conditions responsive to determining the one or more physical dimensions of the obstruction in the wellbore.

US Pat. No. 10,459,117

EXTENDED SUBSPACE METHOD FOR CROSS-TALK MITIGATION IN MULTI-PARAMETER INVERSION

ExxonMobil Upstream Resea...

1. A computer-implemented method for iteratively inverting measured geophysical data to infer 3D subsurface models of N physical properties with N?2 and prospecting for hydrocarbons, comprising:providing an initial model for each physical property, wherein a subsurface region is subdivided into discrete cells, each cell having a value of the physical property;
for each physical property and for each of a plurality of the cells, representing a search direction, indicating whether the initial model needs to be updated positively or negatively, as a linear combination of M basis vectors with M>N, wherein:
each basis vector has its own coefficient in the linear combination, said coefficient to be determined;
the basis vectors are chosen such that their coefficients account for cross-talk between the N physical properties during inversion, wherein a mixing matrix is formed from the coefficients of the basis vectors, and degree of mixing between the model updates for the N physical properties is adjusted by scaling off-diagonal elements of the mixing matrix with scaling factors that are optimized in the inversion; and
optimal values of the coefficients are simultaneously solved for, using a computer, to minimize or maximize an objective function measuring misfit between model-simulated geophysical data and the measured geophysical data, wherein solving for the coefficients is performed at least by numerical computation constrained by the geophysical data;
generating search directions with the optimal values of the coefficients, and generating an updated model for each physical property by making changes, respectively, to the initial model for each physical property in the search directions; and
producing an image of the subsurface from the updated model, which includes subsurface reflectors, positioned with the optimal coefficients, that returned seismic energy to receivers that recorded the measured geophysical data, and prospecting for hydrocarbons according to structural features of the subsurface region.

US Pat. No. 10,459,116

DISPOSABLE ANTIFOULING COVERS FOR GEOPHYSICAL SURVEY EQUIPMENT

PGS Geophysical AS, Oslo...

1. A method of deploying marine geophysical survey equipment comprising:obtaining a disposable antifouling cover of plastic material that, prior to installation, defines an outer surface having positive image of a wing of a positioning device and defines an interior surface having a negative image of the wing of the positioning device; and then
installing the disposable antifouling cover of plastic material on the wing of the positioning device, wherein the disposable antifouling cover occludes the wing of the positioning device; and
placing the marine geophysical survey equipment including the positioning device in a body of water.

US Pat. No. 10,459,115

METHOD AND DEVICE FOR DETECTING A MATERIAL

1. A device for detecting a target material including:a means for indicating the direction to the target material, the indicating means incorporating at least an information output component for outputting information relating to the target material, and at least one moving component on which the force or energy of the target material operatively acts, wherein:
the moving component of the indicating means is a free moving needle, a mass weighing apparatus, a gyroscope or any combination thereof; and
the information output component of the indicating means is:
(i) the moving component of the indicating means, the operative movement or direction in which the moving component respectively moves or points communicates at least the direction of the target material; or
(ii) a visual or audible readout of at least the direction of the target material correlated to the movement of the moving component of the indicating means;
a primary energy source for subjecting a primary sample material to energy for exciting the primary sample material, thereby identifying the target material to be detected, wherein:
the primary energy source is one or more energy emitters from a group of emitters including: electromagnetic energy emitters, magnetic energy emitters, sound energy emitters, thermal energy emitters, chemical energy emitters and electrical current emitters; and
the primary sample material being subjectable to the energy from the primary energy source within an excitation zone, which excitation zone extends from such primary energy source outwardly, and further wherein the primary sample material:
(i) is similar to the target material;
(ii) is related with the target material; or
(iii) at least temporarily retains within it, or an electromagnetic or magnetic field thereof, some of the properties of the target material; and
a means for sensitising the device or the indicating means thereof thereby to detect a force or energy acting between the operatively sensitised device and/or the indicating means thereof and the target material;
characterised in that the sensitising means includes direct or indirect sensitising means, wherein:
(i) direct sensitising means is the physical mounting of a secondary sample material on the moving component of the indicating means; and
(ii) indirect sensitising means is a secondary energy source for subjecting a secondary sample material to energy within a detection zone which:
a. extends from the moving component of the indicating means outwardly; or
b. is spaced from the indicating means and lies between the secondary energy source and a collector member, the collector member being connected by a connector member to the device or the moving component of the indicating means thereof;
and further wherein the secondary sample material is at least one of:
(i) the primary sample;
(ii) similar to the target material;
(iii) related with the target material; and
(iv) at least temporarily retains within it, or an electromagnetic or magnetic field thereof, some of the properties of the target material;such that in use, and under the influence of such force or energy of the target material acting on the at least one of sensitised device and the indicating means thereof, the indicating means points in the direction of such detected target material.

US Pat. No. 10,459,114

WIRELESS POWER TRANSMITTER AND RECEIVER

LASERMOTIVE, INC., Kent,...

1. A system, comprising:a transmitting unit and a non-stationary receiving unit, wherein the transmitting unit includes:
a light-based transmitter to generate and transmit a power beam; and
a controller to manage transmission of the power beam by the light-based transmitter, wherein managing said transmission includes:
detecting one or more objects in a vicinity of the power beam;
determining that the one or more objects pose a risk of impeding the transmission of the power beam from the light-based transmitter to the non-stationary receiving unit; and
in response to the determination of risk, decreasing an intensity of the power beam; and
wherein the non-stationary receiving unit is remote from the light-based transmitter, and wherein the non-stationary receiving unit includes:
a light-based receiver to receive at least a portion of the power beam and to convert the received portion of the power beam into local electrical power, wherein the local electrical power is local to the non-stationary receiving unit;
a power storage system to store the local electrical power; and
a power output unit to provide the local electrical power from the power storage system to a personal electronic device when the personal electronic device is electrically coupled to the power output unit, wherein the personal electronic device is separable from the non-stationary receiving unit.

US Pat. No. 10,459,113

USER SELECTABLE REMOTE PROGRAMMING FOR CASCADE-CONNECTED LIGHT CURTAINS

Banner Engineering Corp.,...

1. A cascadable light curtain apparatus arranged to receive requests from a remote request generator, the apparatus comprising:a housing extending along a longitudinal axis between a proximal end and a distal end of a light curtain segment;
a distal electrical interface disposed at a distal end of the housing;
a proximal electrical interface disposed at a proximal end of the housing;
a processor system disposed in the housing and operatively coupled to send and receive communication signals via the distal electrical interface and the proximal electrical interface; and,
a data store coupled to the processor system and containing a program of instructions that, when executed by the processor, cause the processor to perform operations to control a programming mode of one or more cascadable light curtain segments that are connected in a cascade arrangement, the operations comprising:
receive a request signal via the distal electrical interface;
determine if the received request signal contains an initial predetermined programming mode request (PPMR);
retrieve status information that indicates whether the light curtain segment is a master or a slave in the one or more cascadable light curtain segments;
if the retrieved status information indicates that the light curtain segment is a slave in the string of cascade connected light curtain segments, and the request signal contains the initial PPMR:
generate a replica PPMR that substantially reproduces the initial PPMR, and,
transmit the replica PPMR via the proximal electrical interface;
if the retrieved status information indicates that the light curtain segment is a master in the string of cascade connected light curtain segments, and the request signal contains the initial PPMR:
select which segments of the one or more cascadable light curtain segments to program based on the request signal,
generate a cascade programming mode command signal (CPMCS) for the selected segments of the one or more cascadable light curtain segments, and,
transmit the CPMCS via at least one of the distal electrical interface and the proximal electrical interface to cause each of the one or more cascadable light curtain segments to enter a predetermined learn mode.

US Pat. No. 10,459,112

DETERMINING A CHARACTERISTIC OF A MATERIAL SURROUNDING A WELLBORE BASED ON COUNT RATES OF SCATTERED PHOTONS

Halliburton Energy Servic...

1. A method of determining at least one characteristic of a material surrounding a wellbore, the method comprising:positioning a photon source at a location in the wellbore;
positioning at least one detector in the wellbore;
emitting photons from the photon source;
detecting, via the detector, photons scattered by the material;
the detector counting the detected photons based on an energy level of the detected photons;
grouping the detected photons in at least first and second energy ranges, with a first count rate representing a number of photons detected in the first energy range, and a second count rate representing a number of photons detected in the second energy range;
calculating a result of a calibrated function based on a first ratio of a logarithm of the first count rate and a logarithm of the second count rate, thereby determining the characteristic of the material at the location; and
calculating a value of the characteristic based on at least one of the first and second count rates.

US Pat. No. 10,459,110

FLEXIBLE CONDUCTIVE SHIELD FOR DOWNHOLE ELECTROMAGNETIC NOISE SUPPRESSION

Baker Hughes, a GE compan...

1. An electromagnetic (EM) well logging apparatus for investigating a formation from a fluid-filled borehole intersecting the formation, the apparatus comprising:a carrier body having a pocket formed in an outer surface, the pocket being defined by a plurality of walls and a bottom;
a pad configured to emit EM energy, the pad having an outer face, a plurality of sides complementary to the plurality of walls, and an inner face positioned adjacent to the bottom, wherein the pad is movably disposed in the pocket such that a gap separates at least one wall of the plurality of walls and at least one side of the plurality of sides;
at least one electrically conductive member forming an electrical connection between the carrier body and the pad and covering the gap.

US Pat. No. 10,459,109

MULTI-FREQUENCY FOCUSING ACQUISITION AND PROCESSING IN WELLBORE LOGGING

Halliburton Energy Servic...

1. A computer-implemented method of determining the conductivity of a geological formation, the method comprising:obtaining a harmonic frequency set to evaluate a resistivity of a formation at a wellbore location, the harmonic frequency set comprising at least one harmonic frequency of a fundamental frequency;
selecting a waveform from a library of waveforms based on the obtained harmonic frequency set, the library of waveforms comprising a plurality of waveforms having different frequency spectrums, and the selected waveform corresponding to a predicted conductivity of the formation; and
generating, based on the selected waveform, a binary waveform for use in evaluating the resistivity of the formation at the wellbore location.

US Pat. No. 10,459,108

SYSTEM AND METHOD TO MEASURE OR GENERATE AN ELECTRICAL FIELD DOWNHOLE

GroundMetrics, Inc., San...

1. A system for generation of an electrical field downhole comprising:a first pair of electrodes including a first electrode within a borehole having an axis, the first electrode being in electrical contact with the Earth via an operative capacitive coupling and an additional electrode disposed in the borehole opposite the first electrode, wherein the first electrode and the additional electrode are spaced in a direction orthogonal to the axis of the borehole;
a first amplifier connected to the first electrode and configured to apply a voltage to the first electrode and an additional amplifier connected to the additional electrode and configured to apply a voltage to the additional electrode wherein the first pair of electrodes and the amplifiers are configured to be a source that generates an electrical field in a direction substantially orthogonal to the axis of the borehole;
a second pair of electrodes each connected to an associated amplifier and spaced in a direction orthogonal to the axis of the borehole, wherein the second pair of electrodes is configured to be a second source that generates an electrical field in a direction substantially orthogonal to the axis of the borehole and different from the direction of the electrical field generated by the first pair of electrodes; and
a second electrode being part of a group of counter electrodes spaced from each other and disposed outside the borehole.

US Pat. No. 10,459,107

WELL MONITORING WITH AUTONOMOUS ROBOTIC DIVER

Halliburton Energy Servic...

1. A monitoring apparatus for use in a well, the monitoring apparatus comprising:multiple segments, the segments comprising at least one buoyance control device, at least one communication device, and at least one well parameter sensor; and
a wheel disposed within each of the multiple segments and wherein the wheel includes a magnetic material, wherein the wheel is configured to retract in and out of each of the multiple segments, and wherein rotation of the wheel is configured to generate energy.

US Pat. No. 10,459,106

AIRBORNE ELECTROMAGNETIC SURVEY SYSTEM WITH MULTIPLE TRANSMITTER ARRANGEMENTS

Selskabet af 6. April 201...

1. Airborne electromagnetic survey system configured for geophysical prospecting of an underground formation, which airborne electromagnetic survey system comprisesa transmitter arrangement Tx comprising
at least one current source connected to at least one transmitter coil arrangement covering an area A for generating a magnetic moment for building up a primary electromagnetic field inducing a secondary electromagnetic field in the underground formation and
a switch arrangement comprising at least one switch inserted in between the at least one current source and the at least one transmitter coil arrangement and configured
to connect the at last one current source with the at least one transmitter coil arrangement to build up a connecting secondary electromagnetic field, which connect is at a connection time at a connection voltage at a connection current; and
to disconnect the at least one current source from the at least one transmitter coil arrangement to build up a disconnecting secondary electromagnetic field; which disconnect is at a disconnection time at a disconnection voltage at a disconnection current; which
connecting secondary electromagnetic field and disconnecting secondary electromagnetic field provide a combined secondary electromagnetic field;
a receiver arrangement Rx comprising at least one receiver coil configured to receive the combined connecting and disconnecting secondary electromagnetic fields;
wherein the airborne electromagnetic survey system comprises multiple transmitter arrangements Tx and comprises a switch arrangement controller configured to control each switch arrangement to disconnect each current source from each transmitter coil arrangement at substantially the same time generating individual secondary electromagnetic fields whose sum generates a total secondary electromagnetic field.

US Pat. No. 10,459,105

AIRBORNE LOCATOR OF AN UNDERGROUND OBJECT

The Charles Machine Works...

1. A system comprising:a signal transmitter;
an underground line comprising a first end and a length extending from the first end, wherein the signal transmitter is coupled to the underground line at the first end to generate a magnetic field along and about the length of the underground line; and
a self-propelled autonomous receiver comprising:
an antenna assembly to detect the magnetic field and generate an antenna signal;
a processor programmed to receive the antenna signal and generate a command signal; and
a propulsion system to receive the command signal and move the receiver to a position above the underground line.

US Pat. No. 10,459,104

METAL AMMUNITION DETECTION DEVICE

1. A mobile ammunition detection device kit configured for locating foreign objects within a game or food item placed thereon comprising:a housing having a top surface and at least one handle operatively coupled to the housing, wherein the at least one handle is located laterally from and parallel with the top surface of the housing;
a metal detection device located within the housing and underneath the top surface configured to locate metal objects embedded within the game or food item that is located on the top surface;
a light emitting device located within the housing and under the top surface, wherein the light emitting device is configured to allow a user to visually locate non-translucent objects embedded within the food item that is located on the top surface;
a flat sheet translucent or transparent cover configured to be disposed over the top surface of the housing;
an alert selection switch device disposed on the housing and operatively coupled with the metal detection device to provide a user with an alert that a metal object has been detected; and
a power actuator switch device operatively coupled to the metal detection device and the alert selection switch, the power actuator switch configured to engage a power source.

US Pat. No. 10,459,103

MAGNETIC ENTRY PORTAL IDENTIFICATION SYSTEM

AMAZON TECHNOLOGIES, INC....

1. A system comprising:a magnet configured to produce a magnetic field within a three-dimensional volume;
an infrared proximity sensor comprising an infrared transmitter and an infrared receiver, the infrared proximity sensor configured to generate proximity data indicative of a user within the three-dimensional volume at a first time;
a receiver;
a memory, storing computer-executable instructions; and
a hardware processor to execute the computer-executable instructions to:
receive the proximity data;
determine presence of the user at the first time based on the proximity data;
receive, using the receiver, device data transmitted by a portable device, wherein the device data includes a device identifier and magnetometer data that was obtained at least in part at a second time;
determine the magnetometer data is indicative of the magnetic field;
determine the first time and the second time are within a threshold time of one another;
access user account information associated with the device identifier; and
generate entry data that indicates the user is associated with the user account information associated with the device identifier.

US Pat. No. 10,459,102

SIGNAL DETECTION IN SEMBLANCE METHODS

Halliburton Energy Servic...

1. A method comprising:exciting a wave in a medium and acquiring signal waveforms resulting from the excitation at a plurality of locations;processing the signal waveforms acquired at the plurality of locations, the processing comprising:applying amplitude regularization to each of the waveforms to decrease amplitude variations between signal and noise components;
averaging the waveforms across the plurality of locations in accordance with an amplitude-based semblance method to obtain a two-dimensional amplitude semblance map;
identifying one or more signal peaks in the two-dimensional amplitude semblance map based on a specified threshold; and
associating the one or more signal peaks identified in the amplitude semblance map with one or more signal peaks identified in a two-dimensional coherence semblance map computed from the signal waveforms.

US Pat. No. 10,459,101

METHOD FOR NEAR-REAL-TIME, HIGH-RESOLUTIONSIGNAL FILTERING IN NOISY ENVIRONMENTS

Halliburton Energy Servic...

1. A method for downhole signal filtering comprising:disposing a downhole tool into a wellbore, wherein the downhole tool comprises:
a transmitter configured to broadcast a plurality of signals; and
a receiver configured to record the plurality of signals;
broadcasting the plurality of signals from a transmitter;
recording the plurality of signals with a receiver to provide a data series;
providing bounds for the data series;
determining one or more outliers in the data series from the bounds;
computing a difference in the data series between adjacent pairs of values;
comparing the adjacent pairs of values to other values in the data series;
determining a difference between the adjacent pairs of values; and
filtering the data series, the filtering comprising removing the one or more outliers from the data series to produce a filtered data series.

US Pat. No. 10,459,100

SURVEY TECHNIQUES USING STREAMERS AT DIFFERENT DEPTHS

PGS Geophysical AS, Oslo...

1. A method of generating a geophysical data product, the method comprising:towing a first streamer at a first depth, wherein the first streamer includes a plurality of particle motion sensors and a plurality of first pressure sensors;
towing a second streamer at a second, greater depth, wherein the second streamer includes a plurality of second pressure sensors and does not include particle motion sensors; and
while towing the first and second streamers, using sensor data from the particle motion sensors, the first pressure sensors, and the second pressure sensors to generate the geophysical data product, wherein the sensor data of the geophysical data product is usable to perform subsequent data processing that includes replacing data representing a low-frequency portion of a particle motion signal measured by one or more of the plurality of particle motion sensors with particle motion information estimated based on signals measured by one or more of the plurality of second pressure sensors to generate a modified particle motion signal, wherein the low-frequency portion is defined using a frequency filter with a cutoff frequency that is based on the second depth.

US Pat. No. 10,459,099

DEVICE AND METHOD TO DETERMINE SHAPE OF STREAMER

CGG SERVICES SAS, Massy ...

1. A signal generation device comprising:a spool;
a flexible printed circuit board which surrounds the spool;
a reference signal generation unit which is disposed on the flexible printed circuit board to generate a reference signal;
an ultrasonic wave generation unit which surrounds the spool and is in contact with a contact electrode formed on the flexible printed circuit board to be supplied with power to generate an ultrasonic signal, wherein the contact electrode is formed in an area having the same height as that of the reference signal generation unit;
wherein the flexible printed circuit board includes a main portion which surrounds the spool and a sub portion which is extended from the main portion in a vertical direction; and
wherein the contact electrode is formed in an area of the main portion where the main portion and the sub portion are connected.

US Pat. No. 10,459,098

SYSTEM AND METHOD FOR AUTOMATICALLY CORRELATING GEOLOGIC TOPS

DRILLING INFO, INC., Aus...

1. A method for automatically correlating geologic tops using at least one processor, the method comprising:receiving a first well log of a first well bore and at least a second well log of a second well bore;
receiving at least one seed pick designating a particular sequence of data in the first well log as a well top;
determining, by the processor, at least one neighbor for each well log;
defining, by the processor, a highest confidence series of well top picks by retrieving a highest confidence pick wherein the confidence of the pick is a non-increasing function of path length from the at least one seed and a non-increasing function of a quality of the pick, determining a new pick by performing correlation on each neighbor of the well log, assigning the new pick a pick quality value and generating the highest confidence series of well top picks; and
displaying, on a display connected to the processor, a result of generating the highest confidence series of well top picks.

US Pat. No. 10,459,097

METHODS AND SYSTEMS FOR EXTRAPOLATING WAVEFIELDS

PGS Geophysical AS, Oslo...

1. In a process for generating an image of a subterranean formation using marine seismic techniques in which a source generates an acoustic impulse in a body of water above the subterranean formation and pressure and velocity sensors located in the body of water measure pressure and velocity wavefields created in response to the acoustic impulse, the specific improvement comprising:receiving a measured pressure wavefield, a measured vertical velocity wavefield, and two measured horizontal velocity wavefields;
decomposing one of the pressure wavefield and the vertical velocity wavefield into an up-going wavefield and a down-going wavefield;
calculating components of a slowness vector from the speed of sound in a fluid, density of the fluid, the measured pressure wavefield, and the two horizontal velocity wavefields;
extrapolating one of the up-going and down-going wavefields using an extrapolator that depends on the components of the slowness vector; and
using one of the extrapolated up-going and down-going wavefields to generate an image of the subterranean formation, thereby reducing artifacts caused by spatial aliasing in the generated image.

US Pat. No. 10,459,096

JOINT FULL WAVEFIELD INVERSION OF P-WAVE VELOCITY AND ATTENUATION USING AN EFFICIENT FIRST ORDER OPTIMIZATION

ExxonMobil Upstream Resea...

1. A method for iteratively inverting seismic data to jointly infer a model for at least P-wave velocity and attenuation parameters of the subsurface, said method comprising:jointly inverting the P-wave velocity and attenuation parameters with an iterative visco-acoustic full wavefield inversion process, wherein the iterative visco-acoustic full wavefield inversion process includes computing a gradient of an objective function, the objective function measuring a misfit between all or part of the seismic data and corresponding model-simulated seismic data;
for each of the P-wave velocity and attenuation parameters, computing a search direction in model space from the gradient;
determining line search step sizes ? and ? for the search directions for the P-wave velocity and attenuation parameters, respectively, wherein a ratio of the step sizes is a function of the P-wave velocity parameter; and
using the step sizes ? and ? and the search directions for each of the P-wave velocity and attenuation parameters, computing a new search direction in model space, then performing a line search along the new search direction to arrive at a new step size, and using the new step size and the new search direction to generate an updated model for a current iteration of the iterative visco-acoustic full wavefield inversion process;
wherein the step sizes satisfy
Vp is the P-wave velocity parameter, ? is frequency and ?o is a reference frequency.

US Pat. No. 10,459,094

DETECTOR ARRAY FOR IMAGING MODALITY

Analogic Corporation, Pe...

1. A detector array configured to detect radiation photons, the detector array comprising:a first pixel comprising:
a first photodetector;
a first scintillator overlying the first photodetector and configured to convert a first radiation photon into first light energy;
an optical carrier intervening between the first scintillator and the first photodetector; and
first reflective material beginning and ending adjacent a sidewall of the first scintillator; and
a second pixel partially underlying the first pixel and comprising:
a second photodetector;
a second scintillator directly on the second photodetector and configured to convert a second radiation photon into second light energy; and
second reflective material beginning and ending adjacent a sidewall of the second scintillator.

US Pat. No. 10,459,093

PET-MRI DEVICE AND MANUFACTURING METHOD THEREOF

KOREA ATOMIC ENERGY RESEA...

1. A PET-MRI device, comprising:a magnetic resonance imaging (MRI) machine comprising a solenoid coil and a magnetic-field correction coil, wherein the MRI machine has a cylindrical structure; and
a positron emission tomography (PET) machine comprising a PET image sensor, wherein unitary doughnut shaped PET image sensor electrodes are formed on ends of the PET image sensor which consists essentially of a single compound semiconductor, and the PET machine has a cylindrical structure,
wherein the PET machine is formed in the MRI machine and is configured to have a direction of an electric field of the PET machine that is parallel to a direction of a static magnetic field (B0) of the MRI machine by arranging the PET image sensor electrodes parallel to each other and a normal line of an electrode surface of each PET image sensor electrode parallel to the direction of the static magnetic field (B0).

US Pat. No. 10,459,092

MUOGRAPHIC OBSERVATION INSTRUMENT

Wagner Research Center fo...

1. A muographic observation instrument for use in a muographic observation system for imaging an internal structure of a gigantic object, the muographic observation instrument comprising an arrangement of:muon-detecting gaseous detectors attached to wires arranged to be parallel to a flat surface with a certain distance between them;
radiation shields composed of lead plates placed in stainless steel cases;
detachable detector sockets mounting the gaseous detectors; and
detachable shield sockets placed between the detector sockets that mount the radiation shields.

US Pat. No. 10,459,090

APPARATUS FOR DETECTING RADIATION AND METHOD OF PROVIDING AN APPARATUS FOR DETECTING RADIATION

NOKIA TECHNOLOGIES OY, E...

1. An apparatus comprising:a plurality of layers of scintillator material configured to generate photons in response to incident X-ray radiation; and
a plurality of layers of spacer material wherein the scintillator material and spacer material are arranged in alternate layers so that a plurality of interfaces are provided between layers of scintillator material and layers of spacer material;
wherein the scintillator material has a different refractive index to the spacer material and the thickness of layers within the plurality of layers of scintillator material and the plurality of layers of spacer material is arranged to enable constructive interference of photons emitted by the scintillator material and reflected by the interfaces.

US Pat. No. 10,459,089

ADAPTIVE POSITIONING SYSTEM

AVAGO TECHNOLOGIES INTERN...

1. A method comprising:concurrently implementing, by a device comprising at least one processor, a first positioning system that generates first positioning information items and a second positioning system that generates second positioning information items;
buffering at least some of the first positioning information items generated by the first positioning system and at least some of the second positioning information items generated by the second positioning system;
determining a position estimation for the device based at least in part on at least one of the second positioning information items generated by the second positioning system;
detecting a degradation in a quality of the second positioning system;
in response to detecting the degradation in the quality of the second positioning system, determining a change from a prior environment to a current environment;
selecting the first positioning system based on the determined change and determining the position estimation for the device based at least in part on at least one of the buffered first positioning information items generated by the first positioning system; and
periodically updating the first positioning system based on the second positioning information items generated by the second positioning system when a signal strength of at least one positioning signal received via the second positioning system satisfies a signal strength threshold.

US Pat. No. 10,459,088

POSITIONING METHOD AND TERMINAL

PANASONIC INTELLECTUAL PR...

1. A notifying method, comprising:causing a processor to calculate an integer bias for a plurality of positioning signals received from satellites;
causing the processor to select a location candidate group that is acquired through the calculation of the integer bias, based on a float solution, the location candidate group indicating candidates of a location of a terminal; and
causing the processor to notify that the terminal is located at a predetermined point on a map, under a condition in which the location candidate group is included in a line-shaped area and the solution indicating the location of the terminal has not been acquired based on the calculated integer bias.

US Pat. No. 10,459,087

ROAD REGISTRATION DIFFERENTIAL GPS

Uber Technologies, Inc., ...

1. A method of calibrating satellite signals broadcast by one or more satellites of a satellite positioning system, the method comprising:receiving sensor data from one or more sensors provided on a vehicle;
detecting satellite signals from the one or more satellites; and
determining timing offsets of the satellite signals from each of the one or more satellites based at least in part on the sensor data, wherein determining the timing offsets of the satellite signals comprises determining a location of the vehicle by:
comparing the sensor data to a map of registered locations; and
determining a relative proximity of the vehicle to one or more of the registered locations based on comparing the sensor data to the map of registered location.

US Pat. No. 10,459,086

SATELLITE POSITIONING SYSTEM AUTHENTICATION METHOD AND SYSTEM

Ordnance Survey Limited, ...

1. A method of authenticating a satellite positioning system (SPS) position fix in a SPS receiver, the method comprising:receiving at the SPS receiver position fix correction data derived from one or more reference SPS receivers;
determining a position fix of the SPS receiver using unencrypted open SPS channels transmitted from satellites of the SPS; and
receiving, by the SPS receiver, authentication data relating to one or more encrypted SPS channels that either authenticates or is used to authenticate the determined position fix without the SPS receiver having to fully decrypt the encrypted SPS channels,
wherein the method further comprises:
receiving and sampling the one or more encrypted SPS channels;
forwarding the sampled encrypted SPS channels data to a decryption server;
receiving an authentication signal from the decryption server as the authentication data in the event that the decryption server was able to authenticate the encrypted SPS channels data;
wherein if the encrypted SPS channel data received by the SPS receiver has been authenticated, the SPS receiver may then treat the unencrypted open channel data as authentic.

US Pat. No. 10,459,085

SYSTEM AND METHOD FOR VALIDATING GPS ALTITUDE FOR LOW VISIBILITY APPROACHES

Rockwell Collins, Inc., ...

1. A system for validating navigation data, comprising:at least one externally sourced navigation system configured to provide first navigation data representative of a first measurement of an aircraft altitude; and
at least one processor configured to:
receive the first navigation data;
receive internally sourced navigation data from at least one internally sourced navigation system, the internally sourced navigation data comprising:
second navigation data representative of a second measurement of the aircraft altitude by at least one inertial reference system (IRS) and
third navigation data representative of a third measurement of the aircraft altitude by at least one air data system (ADS);
correct the third navigation data based on at least one of an air temperature and an aircraft latitude;
determine fourth navigation data representative of a fourth measurement of the aircraft altitude as a function of one or more operations comprising:
a first operation establishing the fourth measurement of the aircraft altitude with the first navigation data; and
a second operation periodically adjusting the fourth measurement of the aircraft altitude with the second navigation data, the second operation including at least one first integration of the second navigation data with the corrected third navigation data;
determine at least one first validity of the first navigation data by comparing the first navigation data and the fourth navigation data; and
generate validity advisory data responsive to the first validity determination and representative of validity information.

US Pat. No. 10,459,084

RANGE SENSING USING A HYBRID RANGE SENSING DEVICE

Nokia Technologies Oy, E...

1. A method for accurately range sensing structures at least partially made of a transparent material, the method comprising:identifying, by a processor, a first range data set, the first range data set being generated by a first device and comprising first range three-dimensional (3D) data points, the first range 3D data points representing distance values from the first device to first positions on a surface of interest, respectively, the surface of interest being made of at least a first material that is transparent to visible light and a second material that is opaque to visible light;
identifying, by the processor, a second range data set, the second range data set being generated by a second device and comprising second range 3D data points, the second range 3D data points representing distance values from the second device to second positions on the surface of interest, respectively;
determining, by the processor, that a portion of the surface of interest comprises the first material by calculating, for each of the second range 3D data points, a difference between the second range 3D data point and the first range 3D data point corresponding to the portion of the surface of interest and comparing the differences to a predetermined threshold;
identifying, by the processor, a third range data set based on the comparison, the third range data set comprising a subset of the second range 3D data points for which the differences exceed the predetermined threshold, wherein the differences exceed the predetermined threshold when the portion of the surface of interest comprises the first material;
adjusting, by the processor, distance values for the first range 3D data points of the first range data set corresponding to the portion of the surface of interest comprising the first material by overwriting the distance values for the first range 3D data points of the first range data set with the subset of the second range 3D data points; and
generating, by the processor, a depth map using the adjusted distance values for the first range 3D data points of the first range data set,
wherein the adjusting comprises:
selecting a range 3D data point of the third range data set;
identifying the first range 3D data points corresponding to positions closest to a first material position corresponding to the range 3D data point of the third range data set; and
adjusting the distance values for the first range 3D data points corresponding to the portion of the surface of interest based on the identified first range 3D data points,
wherein identifying the first range data set comprises generating the first range data set using the first device, the first device comprising an optical sensor, and
wherein identifying the second range data set comprises generating the second range data set using the second device, the second device comprising an ultrasonic sensor.

US Pat. No. 10,459,083

3D SCANNER WITH ACCELEROMETER

Kulzer GmbH, Hanau (DE)

1. 3D scanner comprising:at least one scanning module for acquiring three-dimensional (3D) coordinates of a surface of an object, and
a positioning device on which the object is placeable or fixable, whereby the positioning device is movable relative to the at least one scanning module,
the 3D scanner further comprising:
a first accelerometer, which is configured to measure a change of the position of the positioning device relative to the scanning module, and
a first processing unit which is connected to the at least one scanning module and to the positioning device for receiving data,
whereby the first accelerometer is located in the positioning device or the first accelerometer is located in the positioning device and a second accelerometer is located in the scanning module.

US Pat. No. 10,459,081

METHODS FOR LOCATING AND POSITIONING, LOCATING SYSTEM, CHARGING STATION, AND CHARGING SYSTEM

1. A method for locating an object using a detected locating signal, the method comprising:checking the locating of the object such that the object used has at least one temporally variable reflection property; and
checking an influence of the at least one temporally variable reflection property on the detected locating signal,
wherein the at least one temporally variable reflection property is formed by an oscillatorily deflected reflection surface of the object moving away from and towards a sensor, such that the object is located based on a frequency of oscillation of the oscillatorily deflected reflection surface of the object.

US Pat. No. 10,459,080

RADAR-BASED OBJECT DETECTION FOR VEHICLES

Google LLC, Mountain Vie...

1. A radar-based object detection component implemented in a vehicle, the radar-based object detection component comprising:at least one radar sensor positioned within an interior of the vehicle, the at least one radar sensor comprising at least one radar-emitting element and at least one antenna; and
a radar module implemented at least partially in hardware and configured to authenticate a driver of the vehicle by:
receiving, via the antenna, an incoming RF signal generated by an outgoing RF signal emitted by the radar-emitting element of the radar sensor reflecting off a portion of the driver that is performing at least one gesture;
determining the gesture based on the incoming RF signal;
comparing the determined gesture to stored gestures corresponding to known persons permitted to drive the vehicle; and
authenticating the driver as a known person permitted to drive the vehicle based on the determined gesture matching one of the stored gestures.

US Pat. No. 10,459,079

METHOD FOR TRANSMITTING A QUANTIZED VALUE IN A COMMUNICATION SYSTEM

ZTE Corporation, Shenzhe...

1. A method for transmission of a quantized information value from a transmitter to a receiver by applying a quantization scaling with a scaling factor in one of multiple value ranges, wherein:both the transmitter and the receiver share the same segmentation of a quantization range into a number of contiguous value ranges, where each value range is associated with a value range index and a scaling factor;
on the transmitter side, the transmitter:
determines a first value range which the information value to be quantized falls into;
identifies a first value range index and a scaling factor that are both associated with the determined first value range;
scales a difference between the information value to be quantized and a lowest value in the identified first value range with the identified scaling factor to obtain a scaled difference;
translates, based on a second value range that is different from the identified first value range, the scaled difference into a mapped integer; and
transmits both the first value range index and the mapped integer to the receiver; and
on the receiver side, the receiver:
receives both the first value range index and the mapped integer from the transmitter;
identifies the first value range and the associated scaling factor according to the received first value range index;
selects a value based on the received mapped integer; and
recovers the quantized value as a summation of the selected value de-scaled by the identified scaling factor and the lowest value in the identified first value range.

US Pat. No. 10,459,078

RELIABILITY INDEX FOR WEATHER INFORMATION

Honeywell International I...

1. A method comprising:receiving, by a processor of a weather system, first weather information generated by a first source;
receiving, by the processor, second weather information generated by a second source different from the first source, wherein the second source comprises a device external to an aircraft;
combining, by the processor, the first weather information and the second weather information to determine combined weather information; and
for at least one voxel of a plurality of voxels of a volumetric buffer:
determining, by the processor and based at least in part on the combined weather information, a weather product for the respective voxel;
determining, by the processor, a first reliability index for the weather product based on the first weather information;
determining, by the processor, a second reliability index for the respective voxel based on the second weather information;
determining, by the processor and based at least in part on the weather product, the combined weather information, the first reliability index, and the second reliability index, a combined reliability index for the weather product, the combined reliability index indicating a degree of confidence that one or more characteristics of the weather product are accurate; and
outputting, by the processor and for display at a display device, a first visual representation of the weather product and a second visual representation of the combined reliability index for the weather product.

US Pat. No. 10,459,077

SET-UP FOR MEASURING A ROTATIONAL SPEED, IN PARTICULAR, OF A TURBOCHARGER OF A MOTOR VEHICLE

Robert Bosch GmbH, Stutt...

1. A set-up for measuring a rotational speed of a turbocharger of a motor vehicle, comprising:at least one antenna for at least one of generating and receiving electromagnetic radiation;
an electronic module that includes at least one of an electric and electronic component, the electronic module being electrically connected to the antenna;
a housing shell that is made at least partially of laser-absorbing material and that includes an inner chamber in which the at least one antenna and the electronic module are situated; and
a housing cover having a first side that:
at least partially covers the inner chamber of the housing shell; and
abuts against a laser-absorbing contact surface of the housing shell at a location at which the housing cover is made of material that is transparent to laser radiation and at which the housing cover is welded to the laser-absorbing contact surface with a laser-welded seam;
wherein at least one of the following:
at least a portion of the housing cover has a first thickness that is one quarter of a wavelength of an electromagnetic wave at least one of (a) that the antenna is configured to at least one of transmit and receive through the housing cover, (b) to which the at least the portion of the housing cover is transparent, and (c) that is between twenty-one gigahertz and twenty-seven gigahertz; and
the housing cover includes a plate with at least one window-like depression at which the plate is reduced in thickness, and the window-like depression and the antenna are positioned relative to each other such that at least one of (a) at least a portion of a transmitting or receiving surface of the antenna faces the depression and (b) a projection of the antenna, in a direction that is perpendicular to a transmitting or receiving surface of the antenna, onto the first side of the housing cover lies at least partially in the depression.

US Pat. No. 10,459,076

MOTION DETECTION BASED ON BEAMFORMING DYNAMIC INFORMATION

Cognitive Systems Corp., ...

1. A motion detection method, comprising:obtaining beamforming dynamic information based on a set of wireless signals transmitted through a space from a first wireless communication device to a second wireless communication device; and
detecting, by operation of one or more processors, motion of an object in the space by analyzing changes in the beamforming dynamic information over time;
wherein analyzing changes in the beamforming dynamic information over time comprises:
generating spatial maps based on the beamforming dynamic information, and
analyzing changes in the spatial maps over time.

US Pat. No. 10,459,075

RADAR

BAE SYSTEMS plc, London ...

1. A radar apparatus for detecting multipath signal propagation when determining an elevation angle of an object, comprising:an antenna array including
a first antenna unit configured to transmit a first radar pulse at an angle of elevation above horizontal,
a separate second antenna unit configured to transmit a second radar pulse at an angle of elevation above horizontal, the angle of elevation of the second radar pulse is less than that of the first radar pulse, and
a separate third antenna unit configured to transmit a third radar pulse at an angle of elevation below horizontal;
wherein the antenna array is configured to receive return radio signals via the first, second, and third antenna units; and
one or more processors to calculate a measure of the magnitude of a return radio signal received via the third antenna unit based on all of the received radio signals collectively, and to detect multipath signal propagation using said measure.

US Pat. No. 10,459,074

DETERMINING A LOCATION OF MOTION DETECTED FROM WIRELESS SIGNALS BASED ON WIRELESS LINK COUNTING

Cognitive Systems Corp., ...

1. A method comprising:obtaining a set of motion indicator values associated with a time frame, the set of motion indicator values indicating motion detected from wireless links in a wireless communication network during the time frame, each motion indicator value associated with a respective wireless link, each wireless link defined between a respective pair of wireless communication devices in the wireless communication network;
identifying a subset of the wireless links based on a magnitude of their respective motion indicator values relative to other motion indicator values in the set of motion indicator values;
generating count values for the wireless communication devices connected to the wireless communication network during the time frame, the count value for each wireless communication device indicating how many wireless links in the identified subset are defined by the wireless communication device; and
generating a probability vector based on the count values and comprising values for the connected wireless communication devices, the value for each connected wireless communication device representing a probability of motion at the connected wireless communication device during the time frame.

US Pat. No. 10,459,073

ACOUSTIC WAVE DIAGNOSTIC APPARATUS AND METHOD OF CONTROLLING SAME

FUJIFILM Corporation, To...

1. An acoustic wave diagnostic apparatus comprising:an acoustic probe for transmitting acoustic waves toward a specimen and outputting an acoustic echo signal representing an acoustic echo from the specimen;
a velocity scale setting device for setting a velocity scale having a boundary value, the velocity scale being used to display a velocity of a moving body within the specimen;
a velocity calculation device for calculating the velocity of the moving body within the specimen using the acoustic echo signal output from said acoustic probe;
a display control device for displaying information, which indicates the calculated velocity of the moving body, on a display unit in accordance with the velocity scale set by said velocity scale setting device;
a brightness control device for creating pulses used in backlight control, the brightness of the display unit being adjusted by a backlight; and
a frequency setting device for setting the frequency of the pulses based on the set velocity scale for displaying the calculated velocity of the moving body, the frequency setting device configured to
if the velocity scale set by the user has a first boundary value which is less than a threshold value, set the frequency of the pulses for controlling the brightness of the display to a first frequency which is equal to or greater than the first boundary value, and
if the velocity scale set by the user has a second boundary value which is equal to or greater than the threshold value, set the frequency of the pulses for controlling the brightness of the display to a second frequency which is lower than any of the first frequency and the frequency corresponding to the first boundary value which is less than a threshold value.

US Pat. No. 10,459,072

ULTRASOUND PROBE AND ULTRASOUND SYSTEM

Qisda (Suzhou) Co., Ltd.,...

1. An ultrasound probe comprising:a casing;
a first transmitting unit for transmitting a first push beam, the first push beam having a first transmitting frequency;
a second transmitting unit for transmitting a second push beam, the second push beam having a second transmitting frequency, the first transmitting frequency being different from the second transmitting frequency;
a receiving unit having a receiving frequency, the receiving unit being used for selectively receiving a reflective wave of the first push beam and the second push beam, the receiving frequency being covered with the first transmitting frequency and the second transmitting frequency, the receiving unit, the first transmitting unit and the second transmitting unit being disposed in the casing side by side; and
a matching layer disposed on the receiving unit, the first transmitting unit and the second transmitting unit;
wherein the receiving frequency is two times the first transmitting frequency and the second transmitting frequency is four times the first transmitting frequency, such that a thickness of the receiving unit is ½ times a thickness of the first transmitting unit, a thickness of the second transmitting unit is ¼ times the thickness of the first transmitting unit, and a thickness of the matching layer is uniform.

US Pat. No. 10,459,070

COHERENT INTEGRATION OF FILL PULSES IN PULSE DOPPLER TYPE SENSORS

1. A method for the coherent integration of Fill Pulses in Pulse Doppler Radar sensors, said method comprising:transmitting a Pulse Doppler Waveform (PDW) comprising a plurality of precisely timed phase coherent pulses having equal inter pulse time intervals radiated into a narrow stationary or psuedo-stationary beam with a range extent within which moving targets to be detected and stationary or psuedo-stationary scatterers retro-reflect some PDW pulse energy back to a receiving sensor, the moving targets generating target signals in the receiving sensor and the stationary or psuedo-stationary scatterers generating clutter interference noise that reduces the sensitivity of the receiving sensor for detecting moving targets;
designating a number of first pulses in the PDW as Fill Pulses, said pulses being of identical pulse width and inter-pulse period (IPP) as all the other pulses in the PDW, wherein the number of Fill Pulses is the number needed to fully occupy a range extent of the receiving sensor, said range extent is a range from the receiving sensor within which both targets and clutter may reside, and the Fill Pulses is used to initialize a Doppler Filter Coherent Integrator;
conducting a first data collection period for receiving, sampling, and storing the energy of the Fill Pulses scattered by both targets and clutter from within the range extent as a function of time, starting immediately after a first Fill Pulse is emitted, and ending after a IPP following an emission of a last Fill Pulse, just before a first coherently integrated pulse is emitted;
conducting a second data collection period for receiving, sampling and storing the energy of coherently integrated pulses scattered by both targets and clutter from within the range extent as a function of time, starting immediately after emission of a first coherently integrated pulse and ending after a last IPP following an emission of a last coherently integrated pulse;
conducting a third data collection period for receiving, sampling and storing the energy of coherently integrated pulses scattered by both targets and clutter from within the range extent as a function of time, starting after the end of the last IPP of the last coherently integrated pulse emission, and ending immediately after the last emitted pulse has returned from a farthest distance of the range extent, coherently adding stored In-Phase and Quadrature (IQ) data as a function of time from the first data collection period during the emission of the Fill Pulses with stored IQ data as a function of time from the third data collection period after emission of the last PDW pulse, such that a first IPP of the first data collection period is temporally coincident with and is added to the first IPP of the third data collection period, the result containing IQ data as a function of time of a set of virtual pulses equal in number to the number of fill pulses, each IPP of which contains a complete range extent of collected data;
catenating the IQ data from the step above with the IQ data from the second data collection period during the emission of the coherently integrated pulses to create a new IQ data collection period with a number of pulses equal to a sum of the number of Fill Pulses and a number of coherently integrated pulses;
processing the resultant IQ data from the step above with a linear time-invariant filter designed to process a PDW with a number of pulses equivalent to the sum of the number of Fill Pulses and the number of coherently integrated pulses; and
extracting and thresholding Doppler signature from the Doppler filters from the step above, the signal to noise ratio (SNR) and/or signal to clutter ratio (SCR) of which is increased by a factor of approximately the ratio of the total number of pulses transmitted divided by the number of integrated pulses.

US Pat. No. 10,459,069

AIRBORNE EQUIPMENT FOR DETECTING SHOOTINGS AND ASSISTING PILOTING

1. An airborne equipment for an aircraft configured to jointly detect shootings and provide piloting aid, wherein the airborne equipment comprises:a multi-sensor system supplying signals representing an environment of the aircraft comprising: at least one system, referred to as a LWIR/MWIR system, supplying a signal, referred to as a LWIR/MWIR signal, representing infrared radiation lying in the far infrared or mid-infrared range; at least one system, referred to as a NIR system, supplying a signal, referred to as a NIR signal, representing infrared radiation lying in the near infrared range; and at least one acoustic system supplying an acoustic signal;
at least one processing module adapted to implement:
a piloting aid procedure for obtaining first piloting information comprising information representing obstacles present in the environment of the aircraft; and
a shootings detection procedure for obtaining second piloting information comprising information representing shootings in the vicinity of the aircraft, the piloting aid procedure and the shootings detection procedure using signals representing an environment of the aircraft comprising at least the LWIR/MWIR signal;
wherein piloting aid parameters are obtained from said first and second piloting information; and
wherein the shootings detection procedure is adapted for:
seeking singularities in signals representing an environment of the aircraft, comprising seeking a first singularity in a first signal included in the signals representing an environment of the aircraft and seeking a second singularity in at least a second signal included in the signals representing an environment of the aircraft;
determining, using a result of the seeking of singularities, whether an event corresponding to an event type sought has been detected;
determining a geographical location of an origin of a detected event using information representing obstacles present in the environment of the aircraft supplied by the piloting aid procedure; and,
obtaining the second piloting information according to a type of event detected and a geographical location of an origin of said event.

US Pat. No. 10,459,068

LOCATION SYSTEM AND COMPUTER PROGRAM

MURATA MANUFACTURING CO.,...

1. A location system comprising:at least three fixed stations having known install locations;
at least one mobile station configured to transmit a radio signal to each of the fixed stations in each posteriori period of a location calculation; and
at least one processor configured to calculate a location of the mobile station based on an arrival time of the radio signal at each of the fixed stations, wherein:
each of the fixed stations is further configured to:
detect the arrival time of the radio signal in each posteriori period, and
detect a carrier wave phase of the radio signal, and
the at least one processor is further configured to:
predict, from the arrival time of the radio signal in a preceding posteriori period, the arrival time of the radio signal in a following posteriori period based on a carrier wave phase difference of the radio signal by using an error reduction algorithm that predicts a system state value by correcting an error included in a non-predicted system state value based on a system state measurement value, and
calculate the location of the mobile station by using the predicted arrival time of the radio signal,
wherein:
the mobile station is configured to transmit a plurality of radio signals at a plurality of times having a predetermined time interval in each posteriori period,
each of the fixed stations is configured to detect arrival times of at least one radio signal among the plurality of radio signals and carrier wave phases of two or more radio signals among the plurality of radio signals, and
the at least one processor is configured to:
calculate a difference of arrival times of the plurality of radio signals between the fixed stations from the arrival time of the at least one radio signal,
calculate a difference between a carrier wave phase difference of the plurality of radio signals between the fixed stations from a carrier wave phase of a radio signal among two or more radio signals,
calculate a carrier wave phase difference of the plurality of radio signals between the fixed stations from a carrier wave phase of an other-time radio signal, and
use the error reduction algorithm to increase reliability of the predicted arrival times of the plurality of radio signals in the following posteriori period, the arrival times being predicted from the difference of arrival times and the difference between the carrier wave phase differences.

US Pat. No. 10,459,067

CEILING-MOUNTED RFID-ENABLED TRACKING

QUAKE GLOBAL, INC., San ...

1. An apparatus for tracking a subject using radio-frequency identification (RFID), the apparatus comprising:an antenna array comprising a plurality of articulating brackets and a plurality of antennas, wherein each of the plurality of articulating brackets is configured to rotate a corresponding one of the plurality of antennas into a plurality of orientations within at least a subset of a range of 0° to 180° around at least one axis, and wherein each of the plurality of antennas is configured to receive an RFID signal from an RFID tag; and
at least one processor that
detects whether or not at least one tracking target is present, and,
when the presence of at least one tracking target is detected,
determines a distance between the at least one tracking target and the antenna array based on a strength of one or more signals received by the antenna array,
determines a trajectory of the at least one tracking target based on the determined distance, wherein determining the trajectory of the at least one tracking target comprises determining the trajectory of the at least one tracking target based on one or more of a strength, sampling rate, direction, phase, and time span of the one or more signals received by the antenna array, and,
based on the determined trajectory of the at least one tracking target, automatically controls a first articulating bracket of the antenna array to rotate a first antenna of the antenna array into a new orientation to continue tracking the at least one tracking target.

US Pat. No. 10,459,066

SELF-ADAPTIVE SYSTEM AND METHOD FOR ROBUST WI-FI INDOOR LOCALIZATION IN LARGE PUBLIC SITE

Robert Bosch GmbH, Stutt...

1. A self-adaptive device comprising:a non-transitory computer-readable medium configured to store (i) program instructions corresponding to a plurality of support vector machines, and (ii) probability distribution parameters corresponding particular regions in an environment, the plurality of support vector machines being configured to use the probability distribution parameters to predict a region of a respective mobile device in the environment based on corresponding signal strength data from the respective mobile device;
a communication interface configured to communicate with a first mobile device in the environment; and
a processor operably connected to the non-transitory computer-readable medium and the communication interface, the processor configured to:
receive, with the communication interface, first signal strength data from the first mobile device in the environment;
determine which particular region in the environment within which the first mobile device is located based on the first signal strength data, using the plurality of support vector machines and the probability distribution parameters; and
transmit, with the communication interface, to the first mobile device, a region label corresponding to the determined particular region in the environment within which the first mobile device is located.

US Pat. No. 10,459,065

INDOOR LOCALIZATION USING RECEIVED SIGNAL QUALITY WEIGHTS

Kabushiki Kaisha Toshiba,...

1. A target device configured to determine the location of the target device by use of a set of multiple anchor nodes having known locations, wherein the target device comprising:an antenna configured to receive modulated radio frequency signals transmitted from the set of multiple anchor nodes, the radio frequency signals including information mapped to complex symbols;
a demodulator and equalizer configured to recover unequalized complex symbols and equalized complex symbols from the received radio frequency signals; and
a controller configured to:
determine, for each anchor node, based on the received radio frequency signal, an estimate of the distance between the target device and the anchor node or an estimate of the angle of arrival of the radio frequency signal to the target device;
assign a weight for each anchor node based on a pre-equalization spectral flatness determined based on the unequalized complex symbols, or a received symbol distortion or a post-equalization spectral flatness determined based on the equalized complex symbols; and
determine the position of the target device based on the estimates of the distances or the estimates of the angles of arrival for the multiple anchor nodes, the corresponding weights, and the locations of the multiple anchor nodes.

US Pat. No. 10,459,064

LOCATION SYSTEM

Sonitor Technologies AS, ...

1. A system for determining a location of a mobile receiver unit, the system comprising:a plurality of static transmitter units, each comprising a respective radio transmitter and a respective clock, and being configured to use the respective clock to transmit a respective positioning signal according to a respective transmission schedule;
one or more radio gateways for communicating with the static transmitter units by radio, each radio gateway comprising a respective clock;
a scheduling server, communicatively coupled to the plurality of static transmitter units and to the one or more radio gateways;
a mobile receiver unit configured to receive a positioning signal from any of the static transmitter units; and
a location-determining server, wherein the scheduling server is configured to:
use information representing a respective drift or offset of each of the respective clocks of the static transmitter units to generate the respective transmission schedules for the respective static transmitter units, each transmission schedule instructing a respective static transmitter unit to transmit the respective positioning signal at one or more scheduled times according to the clock of the static transmitter unit, by (i) determining information representing a device graph, the device graph comprising the one or more radio gateways and the static transmitter units, wherein a pair of devices is connected in the device graph when the scheduling server has received information representing the drift or offset of respective clocks of the pair of devices, satisfying one or more quality criteria, that enables the scheduling server to map time between the respective clocks of the pair of devices, and (ii) for each static transmitter unit, determining a respective shortest path through the device graph between a reference radio gateway of the one or more radio gateways and the static transmitter unit, and composing relative offset or drift information for devices along the respective shortest path in order to map a respective time or time period from the clock of the reference radio gateway to the clock of the respective static transmitter unit; and
send the respective transmission schedules to the respective static transmitters units;
wherein the mobile receiver unit is configured to send information derived from a positioning signal, received from any of the static transmitter units, to the location-determining server, and
wherein the location-determining server is configured to use the information sent by the mobile receiver unit to determine the location of the mobile receiver unit.

US Pat. No. 10,459,063

RANGING AND ANGLE OF ARRIVAL ANTENNA SYSTEM FOR A MOBILE ROBOT

iRobot Corporation, Bedf...

1. A mobile robot comprising:a chassis;
a shell moveably mounted on the chassis;
a cutting assembly mounted to the chassis; and
a communication system comprising:
an antenna module disposed on a rear portion of the mobile robot, the antenna module comprising:
a base assembly; and
an antenna assembly mounted to the base assembly by a spring, the antenna assembly comprising:
a ranging antenna; and
at least three angle antennas arranged axisymmetrically about the ranging antenna, such that the ranging antenna and the at least three angle antennas define a tetrahedral geometry for determining an angle of arrival for one or more incident signals.

US Pat. No. 10,459,062

ANTENNA DIRECTIVITY CONTROL SIGNAL GENERATING APPARATUS, WIRELESS COMMUNICATION APPARATUS, WIRELESS COMMUNICATION CONTROL SYSTEM, ANTENNA CONTROL METHOD, AND NON-TRANSITORY COMPUTER READABLE MEDIUM

NEC CORPORATION, Minato-...

1. An antenna directivity control signal generating apparatus comprising:an interface configured to receive input of image data;
a memory configured to store image processing data generated by image processing; and
a processor, wherein
the processor is configured to perform:
the image processing that recognizes one or more users from the image data;
user location estimation that estimates user location information of the one or more users, based on a recognition result of the image processing;
user clustering processing that performs user clustering for dynamic cell formation, or for user specific beam forming, based on user location information; and
antenna directivity control parameter calculation that calculates an antenna directivity control parameter for a base station, based on a result of the user clustering processing.

US Pat. No. 10,459,061

FFT-BASED DISPLACED PHASE CENTER ARRAY/ALONG-TRACK INTERFEROMETRY ARCHITECTURE

SRC, INC., North Syracus...

1. A method for detecting the motion of a moving target, with a radar system including an antenna and a computing device including a nontransitory storage medium, comprising:receiving a first set of inputs from the antenna;
receiving a second set of inputs from the antenna, wherein the second set of inputs are substantially sequentially spatially aligned with the first set of inputs;
forming a first SAR image, at the computing device, from the first set of inputs, the first SAR image having at least a first pixel comprising a first value;
forming a second SAR image, at the computing device, from the second set of inputs, the second SAR image having at least a second pixel comprising a second value, the second SAR image having been formed after the first SAR image;
inputting the first value and second value to a clutter cancelation processing module, programmatically defined by the computing device, and receiving from the clutter cancelation processing a first clutter canceled pixel value and a second clutter canceled pixel value;
inputting the first clutter canceled pixel value and the second clutter canceled pixel value into an DFT processing module programmatically defined by the computing device; and
receiving from the DFT processing module a first DFT output comprising a plurality of Doppler bins;
comparing a first value of at least one Doppler bin from the first plurality of Doppler bins to a predetermined value to determine whether the first value of the at least one Doppler bin from the first plurality of Doppler bins is representative of a moving target;
receiving from the DFT processing module a second DFT output comprising a second plurality of Doppler bins;
comparing a second value of at least one Doppler bin of the second plurality of Doppler bins to a predetermined lookup table, the lookup table associating a plurality of Doppler bins values with a plurality of range-rate values, to correlate the second value to at least one of the range-rate values within the lookup table.

US Pat. No. 10,459,060

ORGANIC NAVIGATIONAL BEACONS

Amazon Technologies, Inc....

1. A method comprising:receiving, by a first navigation beacon, a plurality of position signals, wherein each of the plurality of position signals is transmitted by one of a plurality of signal sources, wherein each of the plurality of position signals comprises information regarding a position of the one of the plurality of signal sources at a time, and wherein at least one of the plurality of position signals is associated with a vehicle;
determining, by the first navigation beacon, a position of the first navigation beacon based at least in part on at least some of the plurality of position signals; and
transmitting, by the first navigation beacon to a first vehicle at a first time, a first signal comprising information regarding the position of the first navigation beacon and information regarding a distance between the first navigation beacon and the first vehicle at the first time,
wherein the first navigation beacon comprises a printed circuit board having at least one processor, at least one memory component, at least one transceiver and at least a portion of at least one power source mounted thereto disposed within a frame.

US Pat. No. 10,459,059

PHASE CORRECTED DIXON MAGNETIC RESONANCE IMAGING

Koninklijke Philips N.V.,...

1. A magnetic resonance imaging system for acquiring magnetic resonance data from an imaging zone, wherein the magnetic resonance imaging system comprises:a processor for controlling the magnetic resonance imaging system;
a memory containing machine executable instructions and pulse sequence commands which cause the magnetic resonance imaging system to acquire the magnetic resonance data according to a Dixon magnetic resonance imaging method, wherein the pulse sequence commands cause the magnetic resonance imaging system to execute multiple pulse repetitions, wherein each of the multiple pulse repetitions causes the magnetic resonance imaging system to generate a Dixon readout gradient along a readout direction,wherein each of the multiple pulse repetitions further causes the magnetic resonance imaging system to sample Dixon magnetic resonance data during the Dixon readout gradient,wherein the pulse sequence commands further cause the processor to perform one or more first modified pulse repetitions, wherein the pulse sequence commands further cause the processor to perform one or more second modified pulse repetitions,wherein each of the one or more first modified pulse repetitions causes the magnetic resonance imaging system to generate a first modified readout gradient, wherein the pulse sequence commands further cause the magnetic resonance imaging system to acquire first calibration magnetic resonance data during the first modified readout gradient during at least one of the one or more first modified pulse repetitions, wherein the first modified readout gradient is the Dixon readout gradient with an amplitude reduced by a predetermined factor,wherein each of the one or more second modified pulse repetitions causes the magnetic resonance imaging system to generate a second modified readout gradient,wherein the pulse sequence commands further cause the magnetic resonance imaging system to acquire second calibration magnetic resonance data during the second modified readout gradient during at least one of the one or more second modified pulse repetitions, wherein the second modified readout gradient is the Dixon readout gradient with an amplitude reduced by said or a different predetermined factor, wherein the first or the second modified readout gradient has a reversed polarity with respect to the Dixon readout gradient and the other modified readout gradient,wherein execution of the machine executable instructions cause the processor to:acquire the Dixon magnetic resonance data, the first calibration magnetic resonance data, and the second calibration magnetic resonance data by controlling the magnetic resonance imaging system with the pulse sequence commands;
calculate first Fourier transformed data by Fourier transforming the first calibration magnetic resonance data in the readout direction;
calculate second Fourier transformed data by Fourier transforming the second calibration magnetic resonance data in the readout direction;
calculate a phase difference between the first Fourier transformed data and the second Fourier transformed data;
calculate a corrected phase difference by interpolating the phase difference along the Dixon readout gradient direction and by scaling the phase difference using the relevant predetermined factor;
calculate corrected Dixon magnetic resonance data from the Dixon magnetic resonance data and the corrected phase difference; and
calculate a water signal and a fat signal from the corrected Dixon magnetic resonance data.

US Pat. No. 10,459,058

SYSTEM AND METHOD FOR MAGNETIC RESONANCE IMAGING WITH PROSPECTIVE MOTION CONTROL

The General Hospital Corp...

1. A method for directing a magnetic resonance imaging (MRI) system to form echo signals from spins in a volume-of-interest (VOI), the steps of the method comprising:a) selecting an imaging pulse sequence that utilizes gradient fields to generate transverse magnetization to acquire imaging data from the VOI during an imaging repetition time (TR);
b) selecting a volume navigator pulse sequence that uses an echo-planar imaging (EPI) technique to acquire navigator data from the VOI during a navigator TR;
c) creating an integrated pulse sequence that integrates the volume navigator pulse sequence with the imaging pulse sequence by coordinating the navigator TR with the imaging TR to preserve a steady state of magnetization in the VOI associated with the imaging pulse sequence;
d) performing, with the MRI system, the integrated pulse sequence by:
i) performing the imaging pulse sequence to acquire imaging data from the VOI;
ii) performing the navigator pulse sequence to acquire navigator data VOI;
iii) processing the navigator data to generate motion estimates of motion in the VOI;
iv) creating an updated imaging pulse sequence that prospectively corrects for the motion in the VOI using the motion estimates;
v) repeating steps i) through iv) using the updated imaging pulse sequence; and
e) reconstructing the imaging data to form at least one three-dimensional image of the VOI.

US Pat. No. 10,459,057

IMAGE PROCESSING APPARATUS, MAGNETIC RESONANCE IMAGING APPARATUS AND IMAGE PROCESSING METHOD

TOSHIBA MEDICAL SYSTEMS C...

1. Magnetic resonance image (MRI) processing apparatus comprising:MRI processing circuitry configured to
detect a region of body fluid flowing in a subject and said region having been tagged from a time-series of MR images acquired by MRI scanning an imaging area including a tagged region to which a tagging pulse is applied and MR imaging the imaging area;
generate a plurality of display MR images in which the detected region of the tagged body fluid is maintained upon a display and remains displayed in different display modes according to a positional relation between the region of the tagged body fluid and a boundary line set in the tagged region; and
output a time-series of display MR images including the generated plurality of display MR images being displayed on the display.

US Pat. No. 10,459,056

METHOD OF DESIGNING PULSE SEQUENCES FOR PARALLEL-TRANSMISSION MAGNETIC RESONANCE IMAGING, AND A METHOD OF PERFORMING MAGNETIC RESONANCE IMAGING USING SUCH SEQUENCES

1. A method of designing a pulse sequence for parallel transmission magnetic resonance imaging, said pulse sequence comprising at least a magnetic field gradient waveform and a set of radio-frequency pulses, each pulse of said set and said or each said magnetic field gradient waveform being defined by a plurality of design parameters and being associated to a respective transmission channel (RFC1-RFC8) of a parallel-transmission magnetic resonance imaging apparatus, the method comprising:a) acquiring, for each member of a cohort of magnetic resonance imaging subjects, and for each of said transmission channels of said parallel transmission magnetic resonance imaging apparatus, an inhomogeneity map of the radio-frequency field generated within said member by one said transmission channels;
b) computing, for each member of said cohort and by taking the corresponding inhomogeneity maps as inputs, a spatial distribution of flip angles of nuclear spins obtained by playing said radio-frequency pulses on the respective transmission channels (RFC1-RFC8) while applying said magnetic field gradient waveform; and
c) computing a single cost or merit function representative of a difference between at least a plurality of said spatial distributions of flip angles and a target distribution of flip angles, and adjusting the design parameters of said radio-frequency pulses and of said gradient waveform to optimize said cost or merit function; said steps b) and c) being carried out iteratively using a computer.

US Pat. No. 10,459,055

SYSTEM AND METHOD FOR REDUCED FIELD OF VIEW MR FINGERPRINTING FOR PARAMETRIC MAPPING

Case Western Reserve Univ...

1. A method of magnetic resonance fingerprinting (MRF), the method including steps comprising:a) acquiring a plurality of MRF signals from a plurality of excitation volumes within a subject, wherein at least two of the plurality of excitation volumes differ in location within the subject, and wherein each of the excitation volumes partially overlap to form an overlap volume;
b) comparing the plurality of MRF signals acquired from the overlap volume with a dictionary of signal evolutions;
c) determining, using the comparing of step b), one or more physical parameters of the overlap volume within the subject; and
d) generating a report at least indicating the one or more physical parameters of the overlap volume within the subject.

US Pat. No. 10,459,054

METHOD AND APPARATUS FOR IMPLEMENTING A DIFFUSION-WEIGHTED MAGNETIC RESONANCE MEASUREMENT

Siemens Healthcare GmbH, ...

1. A method for acquiring diffusion-weighted magnetic resonance (MR) data from a subject, comprising:operating an MR data acquisition scanner, while a subject is situated therein, in order to execute an MR data acquisition sequence that is specified by an examination protocol, said MR data acquisition sequence comprising a diffusion module containing at least one diffusion gradient, and an acquisition module comprising at least one radio-frequency (RF) pulse and at least one phase-encoding gradient that has a required gradient strength specified by said examination protocol;
operating said MR data acquisition scanner in said MR data acquisition sequence to (a) activate said diffusion module and to thereafter (b) activate said acquisition module, in which MR data are readout by repetitions of respective RF excitation pulses and phase-encoding gradients that spatially encode the MR data wherein, for at least one of said repetitions, the respective RF excitation pulse thereof is radiated only when the phase-encoding gradients in said acquisition module have reached said required gradient strength;
repeating (a) and (b) until all required MR data are acquired; and
providing said MR data to a computer and, from said computer, entering the acquired MR data in a memory organized as k-space.

US Pat. No. 10,459,053

MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus comprising:sequence control circuitry configured to execute a first pulse sequence to acquire multiple sets of data with different echo times (TEs), the first pulse sequence being a pulse sequence of an ultrashort echo time (UTE) imaging technique and being a multi-echo pulse sequence; and
processing circuitry configured to derive a value of a TE (Echo Time) in a second pulse sequence executed by the sequence control circuitry based on the multiple sets of data.

US Pat. No. 10,459,052

MAGNETIC RESONANCE CHEMICAL-SHIFT-ENCODED IMAGING METHOD, APPARATUS AND DEVICE

SHENZHEN INSTITUTES OF AD...

1. A magnetic resonance chemical-shift-encoded imaging method, comprising:providing predetermined resolutions;
establishing a phasor-error spectrum based on a two-point magnetic resonance signal model in a sampled image at each of the predetermined resolutions;
determining to be an initial seed point a pixel point having a unique phasor value in the phasor-error spectrum and enabling the phasor-error spectrum to reach a local minimum value;
estimating a phasor value of a to-be-estimated pixel point according to the initial seed point to obtain a field pattern at each of the predetermined resolutions;
mapping, at a highest resolution, the field patterns at the predetermined resolutions respectively to obtain a plurality of field patterns at the highest resolution, and merging the plurality of field patterns to obtain a reconstructed field pattern;
determining a reconstructed seed point from the reconstructed field pattern, and estimating based on the reconstructed seed point to obtain a phasor value of the reconstructed to-be-estimated pixel point; and
obtaining separated images of two predetermined components according to the phasor values of the reconstructed to-be-estimated pixel point and the reconstructed seed point.

US Pat. No. 10,459,051

FIELD OF VIEW INCREASE IN MAGNETIC RESONANCE IMAGING USING NONLINEAR GRADIENTS AND GENERALIZED ITERATIVE RECONSTRUCTION

Siemens Healthcare GmbH, ...

1. A method for increasing field of view (FOV) in magnetic resonance imaging, the method comprising:determining linear field gradients of associated with a gradient coil of a magnetic resonance (MR) scanner;
using the MR scanner to acquire a k-space dataset representative of a patient using a plurality of readout gradient amplitudes;
generating an extended FOV image based on the k-space dataset using an iterative reconstruction process that applies a forward model to convert the k-space data set to image space, wherein the forward model incorporates a measurement of gradient distortion as a deviation from the linear field gradients.

US Pat. No. 10,459,050

MAGNETIC RESONANCE METHOD AND APPARATUS FOR REDUCING THE REPETITION TIME WITHOUT INCREASING THE GRADIENT CAPACITY UTILIZATION

Siemens Healthcare GmbH, ...

1. A method for generating magnetic resonance (MR) scan data of an examination object, comprising:operating an MR data acquisition scanner, while an examination object is situated therein, to radiate radio-frequency (RF) pulses and to activate magnetic field gradients in order to read out MR signals generated by nuclear spins in the examination object produced by the RF pulses, in a pulse sequence, and storing numerical values corresponding to the MR signals that are read out, as MR scan data; and
operating said scanner to execute a plurality of repetitions of said pulse sequence while activating respective other magnetic field gradients, until all desired MR scan data are stored and, in determined repetitions in said plurality of repetitions, activating no magnetic field gradients.

US Pat. No. 10,459,049

MAGNETIC RESONANCE IMAGING APPARATUS

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus comprising:an RF coil apparatus configured to receive magnetic resonance signals by a plurality of coil elements corresponding to a plurality of channels, to modulate the magnetic resonance signals to have different frequencies for each of the channels, and to output an analog multiplexed signal in which the magnetic resonance signals with different frequencies are composited over the plurality of channels;
a receiver including analog-to-digital conversion circuitry configured to convert the analog multiplexed signal to a digital multiplexed signal, and including a predetermined number of separation channels configured to separate the digital multiplexed signal, based on a number of the channels relating to composition of the magnetic resonance signals with the different frequencies; and
processing circuitry configured to cause, if one or more separation channels among the predetermined number of separation channels are not used in a process of separation of the digital multiplexed signal, the receiver to stop the process of separation for the one or more separation channels.

US Pat. No. 10,459,048

MAGNETIC RESONANCE IMAGING APPARATUS AND GRADIENT COIL

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus comprising:a gradient coil configured to generate a gradient magnetic field in an image taking space,
wherein
the gradient coil includes:
a first coil member formed by using a first metal that is non-magnetic; and
a second coil member connected to the first coil member and formed by using a second metal that is different from the first metal and is non-magnetic, wherein
the first coil member is a conductor pattern that forms a coil, and
the second coil member is a terminal that has connected thereto a power supply cable configured to supply an electric current flowing in the conductor pattern,
wherein the first coil member is connected to the second coil member by solder at a connection surface that is a part of a surface of the first coil member, the connection surface being connected to the second member after being plated with either tin or nickel.

US Pat. No. 10,459,047

MAGNETIC RESONANCE IMAGING APPARATUS AND GRADIENT MAGNETIC FIELD POWER SUPPLY

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus, comprising:a gradient magnetic field power supply configured to supply power to a gradient coil, the gradient magnetic field power supply including
a plurality of switching circuits, each of which includes a plurality of switching elements, and is configured to output a predetermined pulse voltage by performing a switching operation of each of the switching elements; and
processing circuitry configured to switch an operation mode between a first mode and a second mode in accordance with an intensity of a voltage to be output to the gradient coil, the first mode causing switching circuits of a first number to perform the switching operation of each of the switching elements among the plurality of switching circuits, and the second mode causing switching circuits of a second number smaller than the first number to perform the switching operation of each of the switching elements among the plurality of switching circuits,
wherein the processing circuitry is further configured to switch the operation mode based on at least one of a duty ratio of the pulse voltage that is output from an operating switching circuit and a slew rate of a gradient magnetic field generated by the gradient coil.

US Pat. No. 10,459,046

MAGNETIC RESONANCE IMAGING APPARATUS AND ARTIFACT SUPPRESSION METHOD THEREOF

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus comprising:a superconducting magnet configured to generate a static magnetic field;
a cryocooler configured to cool down the superconducting magnet in a refrigeration cycle in which mechanical fluctuation with a predetermined period is included;
a sequence controller configured to acquire first magnetic resonance (MR) signals for calculating correction data by executing a first pulse sequence, and acquire second MR signals from an object for generating a diagnostic image by executing a second pulse sequence after execution of the first pulse sequence; and
processing circuitry configured to
(a) calculate, as the correction data, first phase fluctuation or first frequency fluctuation included in the first MR signals, and
(b) perform an arithmetic operation using the correction data on the second MR signals to correct second phase fluctuation or second frequency fluctuation included in the second MR signals,
wherein the first and second phase fluctuations or the first and second frequency fluctuations are caused by periodic fluctuation of the static magnetic field caused by mechanical fluctuation of the cryocooler.

US Pat. No. 10,459,045

STERILE RF COILS FOR MR IMAGING SYSTEMS

Siemens Healthcare GmbH, ...

1. A sterile RF coil arrangement for use in magnetic resonance imaging, comprising:at least one RF conductive coil provided in a housing; and
a continuous layer of a curable substance provided on the outer surface of the housing, the curable substance having a formulation including a component to assist in removal of the curable substance from the housing outer surface, the continuous layer preventing a sterilization fluid from directly contacting the housing.

US Pat. No. 10,459,044

TEMPERATURE CONTROL OF AN NMR-MAS ROTOR

BRUKER BIOSPIN GMBH, Rhe...

1. A method for operating a Nuclear Magnetic Resonance (NMR) probehead having a Magic-Angle-Spinning (MAS) stator configured to receive a substantially circular-cylindrical hollow MAS rotor with an outer jacket of external diameter D and with a sample substance in a sample volume, comprising:mounting the MAS rotor on pressurized gas in a measuring position within the MAS stator via a gas supply device having a bearing nozzle, and
rotating the MAS rotor about a cylinder axis of the MAS rotor with a pneumatic drive at a rotation frequency f?30 kHz,
during an NMR-MAS measurement, blowing a temperature control gas with a temperature control nozzle onto an outer jacket of the MAS rotor at an angle ?<90° with respect to a longitudinal axis of the cylinder-symmetrical MAS rotor, and
regulating a flow speed of the temperature control gas blown through the temperature control nozzle onto the MAS rotor to correspond in the nozzle cross section to at least half a circumferential speed of the outer jacket of the rotating MAS rotor and to at most an upper limit of the circumferential speed of the outer jacket of the rotating MAS rotor.

US Pat. No. 10,459,043

REAL TIME CONTROL OF HIGH INTENSITY FOCUSED ULTRASOUND USING MAGNETIC RESONANCE IMAGING

Profound Medical Inc., M...

1. A medical apparatus comprising:a high intensity focused ultrasound (HIFU) system configured to generate focused ultrasonic energy for sonicating a target volume of a subject;
a magnetic resonance imaging system configured to acquire magnetic resonance data from an imaging zone, wherein the target volume is within the imaging zone; and
a processor configured to control the medical apparatus using executable instructions stored in a non-transitory memory, wherein execution of the instructions causes the processor to repeatedly:
acquire the magnetic resonance data in real time using the magnetic resonance imaging system;
control the sonication of the target volume by controlling the HIFU system to generate focused ultrasonic energy for sonicating, in real time using the magnetic resonance data, the magnetic resonance data comprising subsampled magnetic resonance data and image magnetic resonance data, using at least the subsampled magnetic resonance data as a control parameter for controlling the sonication of the target volume, wherein the magnetic resonance imaging system acquires the subsampled magnetic resonance data and image magnetic resonance data in an interleaved fashion, and wherein the subsampled magnetic resonance data is subsampled in comparison to the image magnetic resonance data and acquired more rapidly than the image magnetic resonance data; and
control the reconstruction of the magnetic resonance image using the image magnetic resonance data.

US Pat. No. 10,459,041

MAGNETIC DETECTION SYSTEM WITH HIGHLY INTEGRATED DIAMOND NITROGEN VACANCY SENSOR

LOCKHEED MARTIN CORPORATI...

1. A system for magnetic detection, comprising:a housing comprising:
a top plate;
a bottom plate;
at least one side plate; and
a main plate provided between the side plate and the bottom plate;
a magneto-optical defect center material comprising at least one magneto-optical defect center that emits an optical signal when excited by an excitation light,
a radio frequency (RF) exciter system configured to provide RF excitation to the magneto-optical defect center material;
an optical excitation system configured to direct the excitation light to the magneto-optical defect center material; and
an optical detector configured to receive the optical signal emitted by the magneto-optical defect center material based on the excitation light and the RF excitation,
wherein the top plate, the bottom plate, the at least one side plate and a portion of the main plate form an enclosure that contains the magneto-optical defect center material, the RF exciter system, the optical excitation system, and the optical detector, and
wherein the magneto-optical defect center material, the RF exciter system, the optical excitation system, and the optical detector are mounted to the main plate and capable of being unattached and remounted to the main plate to change at least one of a location or an angle of incidence of the excitation light on the magneto-optical defect center material.

US Pat. No. 10,459,040

INTEGRATED FLUXGATE MAGNETIC GRADIENT SENSOR

TEXAS INSTRUMENTS INCORPO...

1. An integrated fluxgate magnetic gradient sensor, comprising:a common mode sensitive fluxgate magnetometer including a first core adjacent to a second core, the first and second cores wrapped by a first excitation wire coil configured to receive a first excitation current that affects a differential mode magnetic field;
a differential mode sensitive fluxgate magnetometer including a third core adjacent to the first core and a fourth core adjacent to the second core, the third and fourth cores wrapped by a second excitation wire coil configured to receive a second excitation current that affects a common mode magnetic field; and
a differential voltage driver coupled to the common mode sensitive fluxgate magnetometer and the differential mode sensitive fluxgate magnetometer and configured to drive a first compensation current through a first compensation wire coil wrapped around the first core and the second core and a second compensation wire coil wrapped around the third core and the fourth core.

US Pat. No. 10,459,039

SYSTEMS AND METHODS FOR TESTING MULTI-ELEMENT LIGHTED DISPLAYS

CAPITAL ONE SERVICES, LLC...

1. A system for testing a light emitting display unit having a plurality of light emitting elements, the system comprising:a test fixture, including:
a plurality of light detection elements, the light detection elements being configured to generate signals upon detection of light emitted from the light emitting element, wherein the test fixture is movable towards or away from the light emitting elements to maintain a pre-determined distance between the test fixture and one or more of the light emitting elements based on an intensity of the generated signals; and
a circuit configured to:
receive input signals from the light detection elements;
process the input signals based on a pre-determined function of the circuit and discrete implementation of a combinational logic, wherein the pre-determined function includes determining wavelength of the light emitted from the light emitting elements; and
generate an aggregate output signal based on the processing of the input signals, wherein the aggregate output signal is configured to determine whether the light emitting display unit is functioning.

US Pat. No. 10,459,038

METHOD AND DEVICE FOR ESTIMATING A CURRENT OPEN-CIRCUIT VOLTAGE CHARACTERISTIC OF A BATTERY

Robert Bosch GmbH, Stutt...

1. A method for estimating a current open-circuit voltage characteristic of a battery, the method comprising:acquiring, with a voltage sensor, a portion of an actual open-circuit voltage characteristic of the battery,
determining, with a computer, a significant point in the acquired portion of the actual open-circuit voltage characteristic, wherein the significant point is a maximum or a minimum in a slope or curvature of the actual open-circuit voltage characteristic or is a point of inflection of the actual open-circuit voltage characteristic,
identifying an identified point, with the computer, in a characteristic curve of an anode potential of the battery, in a characteristic curve of a cathode potential of the battery, or both that is associated with the significant point
shifting and scaling, with the computer, the characteristic curve of the anode potential and the characteristic curve of the cathode potential based on a position of the significant point with respect to the identified point until the acquired portion is simulated by combination of the shifted and scaled characteristic curves,
calculating, with the computer, the current open-circuit voltage characteristic based on the shifted and scaled characteristic curves, and
providing, with the computer, a battery capacity on the basis of the current open-circuit voltage characteristic.

US Pat. No. 10,459,037

STATE-OF-CHARGE ESTIMATION DEVICE AND STATE-OF-CHARGE ESTIMATION METHOD

KABUSHIKI KAISHA TOYOTA J...

1. A state-of-charge estimation device for estimating the state-of-charge of a battery in a vehicle, the state-of-charge estimation device comprising:a voltmeter that measures a voltage in the battery;
an ammeter that measures a current charged to and discharged from the battery;
a plurality of switches operable to connect the battery to a load in a discharged state during vehicle operation, and operable to connect the battery to a charger in a charged state;
a memory that stores charge mode information that associates a closed circuit voltage with a charging state-of-charge in the battery when charging is performed by a charger, and discharge mode information that associates a discharging state-of-charge with a closed circuit voltage that is generated by use of a discharge pattern of the battery obtained by operating the vehicle in a predetermined operation pattern, the closed circuit voltage having a potential difference from a closed circuit voltage corresponding to the charging state-of-charge of the charge mode information achieved when the battery starts transition from the charged state to the discharged state; and
a central processing unit (CPU) connected to the memory and that, when the battery is in the charged state, performs state-of-charge estimation by using the closed circuit voltage and the charge mode information, refers to the charge mode information by use of a measured closed circuit voltage when the battery is in the charged state, and obtains the charging state-of-charge, so as to define the charging state-of-charge as a state-of-charge upon charging;
after the battery has transitioned from the charged state to the discharged state, changes from state-of charge estimation by using the closed circuit voltage and charge mode information to using current integration, starts current integration by use of the measured current, obtains a transition state-of-charge by use of the charging state-of-charge at the start of the transition and a current integration value, wherein the transition state-of-charge at the start of transition is different from a target state-of-charge, obtains the target state-of-charge determined by the charging state-of-charge at the start of the transition and a current integration value obtained for a predetermined time period after the start of the transition, compares the transition state-of-charge and the target state-of-charge, decides whether the transition state-of-charge is less than the target state-of-charge, and defines the transition state-of-charge as a state-of-charge upon discharging when the transition state-of-charge is greater than the target state-of-charge; and
after the transition state-of-charge has become less than the target state-of-charge, changes from state-of-charge estimation, using current integration, to using the closed circuit voltage and discharge mode information, refers to the discharge mode information by use of the closed circuit voltage measured upon discharging, and obtains the discharging state-of-charge, so as to define the discharging state-of-charge as a state-of-charge upon discharging.

US Pat. No. 10,459,036

BATTERY CHECKER

NTN CORPORATION, Osaka (...

1. A battery checker comprising:a voltage application unit configured to apply an AC voltage to a battery to be measured;
a ripple voltage measurement unit configured to measure a ripple voltage contained in a terminal voltage of the battery, the ripple voltage measurement unit including a capacitor connected to an output terminal on a positive electrode side of the battery, and an amplifier directly connected to an output terminal on a negative electrode side of the battery; and
an electric power storage level detection unit configured to detect an electric power storage level of the battery by comparing the ripple voltage measured by the ripple voltage measurement unit with a set reference.

US Pat. No. 10,459,035

CHARGE STATE ESTIMATION METHOD FOR LITHIUM ION BATTERY AND CHARGE STATE ESTIMATION DEVICE FOR LITHIUM ION BATTERY BY USING CORRESPONDENCE BETWEEN VOLTAGE CHARGE RATE AND THE STATE OF CHARGE OF THE LITHIUM ION BATTERY

MITSUBISHI ELECTRIC CORPO...

7. A state-of-charge estimation apparatus for a lithium ion battery; which is configured to estimate a state of charge of a lithium ion battery, which uses a lithium phosphate compound having a LiFePO4 or LiMnPO4 crystal structure for a positive electrode and uses an active material exhibiting no potential fluctuation due to an insertion/desorption reaction of lithium for a negative electrode, based on a voltage change rate being a value obtained by dividing a voltage change per unit time during charging or during discharging by a capacity caused to flow per unit time,the state-of-charge estimation apparatus comprising:
a first storage configured to store a first map representing a correspondence between the voltage change rate and the state of charge of the lithium ion battery at a plurality of charging rates and a second map representing a correspondence between the voltage change rate and the state of charge of the lithium ion battery at a plurality of discharging rates;
a second storage configured to store a value for a present state of charge during the charging and a value for the present state of charge during the discharging;
a charging and discharging measurement controller configured to measure a voltage and a current of the lithium ion battery; and
an estimation computing circuitry configured to:
calculate an actually measured voltage change rate of the lithium ion battery based on a voltage value and a current value measured during the charging and discharging by the charging and discharging measurement controller;
obtain the value for the present state of charge of the lithium ion battery from the actually measured voltage change rate by referring to the first map during the charging and referring to the second map during the discharging;
store the value for the present state of charge in the second storage; and
obtain the present state of charge through a comparison between the value for the state of charge obtained during the charging and the value for the state of charge obtained during the discharging, which are stored in the second storage.

US Pat. No. 10,459,034

METHOD AND APPARATUS FOR ESTIMATING STATE OF HEALTH (SOH) OF BATTERY

Samsung Electronics Co., ...

1. A method of estimating a state of health (SOH) of a battery performed by one or more microprocessors, comprising:the one or more microprocessors being configured to:
measure a first voltage of the battery at a first time and a second voltage of the battery at a second time, and wherein an interval between the first time and the second time corresponds to a partial discharge time;
acquire a normalized partial discharge time using a battery model normalized with respect to a time;
calculate a full discharge time of the battery based on a ratio between the partial discharge time and the normalized partial discharge time; and
estimate the SOH based on a ratio between a stored full discharge time of a reference battery and the full discharge time of the battery,
wherein the first time is a point in time at which the operation of the battery has started, and the second time is a point in time immediately after the operation of the battery is terminated.

US Pat. No. 10,459,033

METHOD FOR PROTECTING A NONMOBILE WORK MACHINE DRIVEN BY AN ELECTRIC MOTOR, AND NONMOBILE WORK MACHINE DRIVEN BY AN ELECTRIC MOTOR

KRIWAN INDUSTRIE-ElEKTRON...

1. A method for protecting a nonmobile work machine driven by an electric motor, at least one measured value of a time-critical parameter of the work machine being determined via a measuring unit, the work machine being switched off when the determined measured value of the time-critical parameter is outside a predefined setpoint range, and the determined measured value of the time-critical parameter being quantized in a level signal (i1, i2, i3, i4) and transmitted as a first signal to an evaluation unit via an interface, wherein a second signal for further information concerning the work machine, to be transmitted from the measuring unit to the evaluation unit, is modulated to the first signal at an amplitude that is smaller than the smallest difference between all provided levels of the first signal.

US Pat. No. 10,459,032

TEST SWITCH SIGNAL ANALYZER

FISCHER BLOCK, INC., Roy...

1. A test switch signal analyzer comprising:an analyzer hub operably couplable to a test switch base that includes a plurality of test switch conductors;
at least one signal probe operatively couplable to the analyzer hub and to at least one of the plurality of test switch conductors when the analyzer hub is coupled to the test switch base, each of the at least one signal probes being configured to receive electrical signals from one of the plurality of test switch conductors and to generate one or more probe signals that corresponds to the received electrical signals;
a signal processing unit couplable to the analyzer hub and configured to receive the one or more probe signals from the at least one signal probe, the signal processing unit configured to determine a plurality of electrical signal values based on the probe signals received from the at least one signal probe;
the signal processing unit, the analyzer hub, and at least a portion of the at least one signal probe being positionable within a test switch cover configured and dimensioned to mate with the test switch base when the at least one signal probe is coupled to the at least one of the plurality of test switch conductors and the test switch cover is secured to the test switch base;
wherein the signal processing unit is configured to sample each of the one or more probe signals and configured to generate a plurality of sampled signal values.

US Pat. No. 10,459,031

ELECTRONIC CIRCUIT HAVING SERIAL LATCH SCAN CHAINS

GLOBALFOUNDRIES INC., Gr...

1. An electronic circuit coupled to one or more latch scan chains, the electronic circuit comprising:a logic built in self test (LBIST) including a test control register initialized to generate scan-in data, the scan-in data comprising a pre-determined initialization pattern;
an interception circuit provided outside of the LBIST and connected to the LBIST through a multiplexer, the interception circuit configured to apply a control signal to the LBIST through the multiplexer during a power on process or an exit of a deep power management state of the electronic circuit, the control signal configured to cause the test control register to generate the scan-in data including the pre-determined initialization pattern and provide the pre-determined initialization pattern to the one or more latch scan chains in parallel to initialize the electronic circuit during the power on process or exit of the deep power management state.

US Pat. No. 10,459,030

MEASURING INTERNAL SIGNALS OF AN INTEGRATED CIRCUIT

TEXAS INSTRUMENTS INCORPO...

1. A device comprising:an interface pin;
one or more blocks of circuitry;
a multiplexor having inputs and an output;
signal lines coupled from the one or more blocks of circuitry to the inputs on the multiplexor;
a first buffer having: a first input coupled to the output of the multiplexor; and a first output selectively connected to the interface pin;
a second buffer having: a second input coupled to the output of the multiplexor; and a second output selectively connected to the interface pin; and
a switch configured to bypass the first and second buffers by selectively connecting the output of the multiplexor directly to the interface pin;
the first buffer being a PMOS source follower, and the second buffer being an NMOS source follower.

US Pat. No. 10,459,029

ON-CHIP CLOCK CONTROL MONITORING

SEAGATE TECHNOLOGY LLC, ...

1. An on-chip clock (OCC) circuit of an integrated circuit having logic blocks coupled in scan chains, the OCC circuit comprising:a clock generator configured to generate a plurality of clock signals;
an OCC controller configured to receive the plurality of clock signals and generate an OCC output for use by the scan chains of logic blocks; and
an OCC observation circuit configured to generate a status output on a status output port based on the OCC output during an at-speed capture phase and a scan enable signal;
wherein patterns of the status output with respect to the scan enable signal include a valid pattern indicating that the OCC output includes a valid number of at-speed capture pulses, a first invalid pattern indicating a first error in the OCC output, and a second invalid pattern indicating a second error in the OCC output that is different from the first error.

US Pat. No. 10,459,028

SHADOW PROTOCOL CIRCUIT PRODUCING ENABLE, ADDRESS, AND ADDRESS CONTROL SIGNALS

Texas Instruments Incorpo...

1. A process of operating a shadow protocol circuit comprising:(a) receiving in a state monitor circuit of the shadow protocol circuit a test clock signal, a test mode select signal, and a test reset signal;
(b) producing from the state monitor circuit an enable signal when the test clock signal, the test mode select signal, and the test reset signal indicate a particular state;
(c) receiving in a state machine the test clock signal, the test reset signal, and the enable signal, and a test data input signal;
(d) producing from the state machine an address signal and an address control signal in response to receiving the enable signal and receiving on the test data input signal a message that includes an address field.

US Pat. No. 10,459,027

SEMICONDUCTOR TEST APPARATUS FOR TESTING SEMICONDUCTOR DEVICES

UNITECHNO, INC., Tokyo (...

1. A semiconductor test apparatus, comprising:a test socket having a socket surface formed thereon, the socket surface having a contact pin towering therefrom; and
a semiconductor transport fixture having a concave portion formed thereon, the concave portion adapted to receive therein an IC under test, wherein
the test socket has a position adjustment guide provided thereon,
the semiconductor transport fixture has a guide through bore formed therein, the guide through bore adapted to receive the position adjustment guide therethrough when the IC under test comes under test, and
either one of the position adjustment guide or the guide through bore is formed in a tapered shape such that, when the guide through bore receives therethrough the position adjustment guide at the time of test of the IC under test, the position adjustment guide pushes upward the IC under test to adjust the position of the IC under test.

US Pat. No. 10,459,026

DAMAGE PREVENTING IDENTIFICATION SYSTEM FOR CONDUCTORS AND COUPLING POINTS IN ELECTRICAL SYSTEMS WITH DATA ACQUISITION

EL-WATCH AS, Rindal (NO)...

20. An identification system for preventing damage to one or both of electrical conductors (50a-c) and coupling points (51), comprisingat least one identification unit (10) for arrangement to a surface, end cap or cable shoe of an electrical conductor (50a-c), the identification unit (10) having an encapsulation (11) for arrangement of the identification unit (10) to the electrical conductor (50a-c), and for housing at least one visual tag (12, 16) and electronic tag (13),
wherein the identification unit (10) further includes a ferrite core configured for both measuring temperature and current and for suppressing noise on the electrical conductor (50a-c).

US Pat. No. 10,459,025

SYSTEM TO REDUCE START-UP TIMES IN LINE-MOUNTED FAULT DETECTORS

Schweitzer Engineering La...

1. A line-mounted fault detector, comprising:a power harvesting subsystem configured to harvest electrical energy from a conductor in an electric power system;
a rectification subsystem configured to rectify electrical energy harvested by the power harvesting subsystem;
an energy storage subsystem configured to store electrical energy rectified by the rectification subsystem;
a fast-start power coupling subsystem;
a first switch subsystem configured to selectively provide electrical energy to the fast-start power coupling subsystem;
a fast-start subsystem configured to provide power to a subset of components in a startup state;
a DC-DC converter subsystem in electrical communication with the energy storage subsystem and configured to start up after a voltage of the energy storage subsystem exceeds a first threshold, the DC-DC converter subsystem configured to generate a DC output from electrical energy received from the energy storage subsystem;
a second switch subsystem configured to selectively provide electrical energy from the DC-DC converter to the fast-start subsystem;
a control subsystem configured to transition the line-mounted fault detector to an operating state and to:
actuate the first switch subsystem after an output of the DC-DC converter exceeds a second threshold, the first switch subsystem configured to de-energize the fast-start power coupling subsystem, and
actuate the second switch subsystem after the output of the DC-DC converter exceeds the second threshold, the second switch subsystem configured to enable a flow of electrical energy from the DC-DC converter to the fast-start subsystem;
a fault detection subsystem in electrical communication with the DC-DC converter subsystem and configured to detect a fault condition;
an RF transmitter subsystem in electrical communication with the DC-DC converter subsystem and configured to transmit an indication of the fault condition.

US Pat. No. 10,459,024

SHORTED THERMOCOUPLE DIAGNOSTIC

ROSEMOUNT INC., Shakopee...

1. A temperature transmitter assembly comprising:a thermocouple comprising a first conductor and a second conductor connected to each other at a junction wherein at least one of the first conductor and the second conductor comprise a first portion with a first resistance per unit length and a second portion with a second resistance per unit length; and
a temperature transmitter comprising diagnostics that determine a resistance of the thermocouple and based on the determined resistance, provide an indication of whether the first conductor and the second conductor are shorted together before the junction.

US Pat. No. 10,459,023

SYSTEM AND METHOD TO DETERMINE STRESS LEVELS IN HARVESTING MACHINE CIRCUITS

1. An electrical power system configured to drive a plurality of devices of a work vehicle, the electrical power system comprising:a plurality of electrical power circuits, wherein each one of the electrical power circuits is operatively connected to a different one of the plurality of devices;
a plurality of controllers, wherein each one of the controllers is operatively connected to a different one of the plurality of devices and includes an output operatively connected to the operatively connected one of the plurality of devices;
a plurality of input current sensors, each one of which is operatively connected to an input of a different one of the controllers, wherein each of the plurality of input current sensors is configured to determine an input current being supplied to the controller;
a plurality of output current sensors, each one of which is operatively connected to an output of a different one of the controllers and is configured to determine an output current being drawn by the operatively connected device through the operatively connected controller, wherein at least one of the plurality of controllers is configured to store sensed input current data and sensed output current data in a memory configured to store data and program instructions.

US Pat. No. 10,459,021

SYSTEMS AND METHODS FOR DETECTING DEFECTS IN AN ANTENNA ARRAY AND/OR IN A DEVICE COUPLED TO THE ANTENNA ARRAY

Keysight Technologies, In...

1. A method comprising:receiving in a receiving antenna, a radio-frequency debugging signal transmitted by a transmitting antenna array to which a device-under-test is coupled, the receiving antenna located in a far-field region of the transmitting antenna array, the transmitting antenna array configured to propagate via the radio-frequency debugging signal, information indicative of a signal radiation distribution of the transmitting antenna array; and
executing a defect detection procedure upon the radio-frequency debugging signal received in the receiving antenna, the defect detection procedure comprising:
obtaining a digital dataset by digitizing the radio-frequency debugging signal received in the receiving antenna;
applying a back-propagation algorithm to the digital dataset to derive a reconstructed near-field representation of the transmitting antenna array, the reconstructed near-field representation indicating the signal radiation distribution of the transmitting antenna array; and
using the reconstructed near-field representation of the transmitting antenna array, determining whether one or more defects are present in at least one of the transmitting antenna array or the device-under-test coupled to the transmitting antenna array, and identifying the one or more defects in the at least one of the transmitting antenna array or the device-under-test coupled to the transmitting antenna array when it is determined that the one or more defects are present.

US Pat. No. 10,459,020

SYSTEMS, METHODS, AND DEVICES FOR AUTOMATIC SIGNAL DETECTION BASED ON POWER DISTRIBUTION BY FREQUENCY OVER TIME WITHIN A SPECTRUM

DGS GLOBAL SYSTEMS, INC.,...

1. A method for automatic alarm management in a radio-frequency (RF) environment, comprising:learning the RF environment for a period of time based on statistical learning techniques, including power level measurements of the RF environment;
creating a baseline based on the power level measurements of the RF environment for the period of time;
calculating a power distribution by frequency of the RF environment in real time or near real time, including a first derivative and a second derivative of fast Fourier transform (FFT) data of the RF environment;
identifying at least one alarm situation based on a multiplicity of alarm triggering conditions by comparing the power distribution to the baseline of the RF environment;
identifying at least one signal based on the first derivative and the second derivative of FFT data in the at least one alarm situation; and
sending at least one alarm comprising data relating to the at least one signal identified in the at least one alarm situation.

US Pat. No. 10,459,019

ELECTROMAGNETIC SENSOR

HON HAI PRECISION INDUSTR...

1. An electromagnetic sensor comprising:a first diaphragm unit comprising a first diaphragm;
a first magnet group defined on a side of the first diaphragm, and the first magnet group comprises a first magnetic group, a second magnetic group, and a third magnetic group; wherein a magnetic axis direction of the first magnetic group is perpendicular to the first diaphragm; a magnetic axis direction of the second first magnetic group is perpendicular to the magnetic axis direction of the first magnetic group, and points toward to a third magnetic group; and a magnetic axis direction of the third magnetic group is perpendicular to the first diaphragm, and is different from the magnetic axis direction of the first magnetic group by 180 degrees; and
a plurality of electrode disposed on a first surface of the first diaphragm and corresponded to the second magnetic group;
wherein when current passes through each electrode, the first diaphragm and the air surrounding vibrate and emit sound.

US Pat. No. 10,459,018

METHOD TO REMOVE THE EFFECTS OF LO DRIFT FROM VECTOR NETWORK ANALYZER MEASUREMENTS

1. A method comprising:determining a local oscillator phase drift occurring in between two measurements of reciprocal networks as made with a vector network analyzer via a calculation of an equation:

where:
Am is a wave cascading matrix that comprises results of a measurement from a first reciprocal network of the reciprocal networks; and
Bm is a wave cascading matrix that comprises results of a measurement from a second reciprocal network of the reciprocal networks; and
? represents a complex argument, and vertical brackets (?) represent matrix determinants.

US Pat. No. 10,459,017

METHOD AND APPARATUS FOR DETECTING ELECTRICAL CONDUCTANCE INCLUDING CONTROL SYSTEM FOR ADJUSTING COMPRESSIVE FORCE APPLIED TO AN OBJECT BY AN ACTUATOR

The Boeing Company, Chic...

1. A method for detecting an electrical conductance of an object, the method comprising:causing, via a control system, an actuator to apply a compressive force to the object, wherein the compressive force pushes a first electrode against a first end of the object and causes a second end of the object to push against a second electrode;
detecting, via a load cell, an initial magnitude of the compressive force;
in response to determining that the initial magnitude of the compressive force is outside of a predetermined range of magnitude, causing, via the control system, the actuator to adjust the compressive force applied to the object;
detecting, via the load cell, a magnitude of the adjusted compressive force; and
in response to determining that the magnitude of the adjusted compressive force is within the predetermined range of magnitude, detecting a conductance of the object via the first electrode and the second electrode.

US Pat. No. 10,459,016

ELECTRICAL NETWORK TOPOLOGY DETERMINATION

Itron, Inc., Liberty Lak...

1. A method, comprising:sending a broadcast timing signal to a plurality of meters;
receiving a first difference value and a second difference value, from a first meter and a second meter, respectively, wherein the first difference value and the second difference value are based on elapsed time between the broadcast timing signal and a first zero-crossing time of the first meter and a second zero-crossing time of the second meter, respectively;
determining a phase of a power line to which each of the first meter and the second meter are connected, using the first difference value and the second difference value, respectively;
receiving data describing a first voltage event and receiving data describing a second voltage event, occurring at the first meter and the second meter, respectively;
comparing the data describing the first voltage event and the data describing the second voltage event; and
determining, based at least in part on the comparing, and based at least in part on the phase of the power line to which each of the first meter and the second meter are connected, if the first voltage event and the second voltage event are the same event.

US Pat. No. 10,459,015

VEHICLE INFORMATION TERMINAL AND POWER GENERATION INFORMATION COLLECTION SYSTEM

Toyota Jidosha Kabushiki ...

1. A vehicle information terminal used in a vehicle equipped with an energy converter for performing an energy conversion for converting an external energy to an electric power, the vehicle information terminal comprising:a computing unit that generates a power generation information associated with a vehicle position and a power generation amount of the energy converter, the computing unit operative to transmit the power generation information to an external device, wherein
a transmission condition of the power generation information of the computing unit is set so that transmission frequency of the power generation information during travel of the vehicle is higher than transmission frequency of the power generation information during stop of the vehicle,
the computing unit integrates the power generation amount after the transmission of the power generation information at a previous time,
during stop of the vehicle, the computing unit transmits the power generation information when the integrated power generation amount is more than or equal to a first predetermined amount,
during the travel of the vehicle, the computing unit determines whether the energy conversion has been performed after the power generation information has been transmitted at the previous time,
during the travel of the vehicle, when it is determined that the energy conversion has been performed after the power generation information has been transmitted at the previous time, the computing unit transmits the power generation information when the integrated power generation amount has reached a second predetermined amount, which is smaller than the first predetermined amount, and
during the travel of the vehicle, when it is determined that the energy conversion has not been performed after the power generation information has been transmitted at the previous time, the computing unit transmits the power generation information based on an elapsed time or a travelled distance after the transmission of the power generation information at the previous time.

US Pat. No. 10,459,014

ELECTRONIC DEVICE

Kabushiki Kaisha Toshiba,...

1. An electronic device connectable to an external power supply device and operated with a voltage from the external power supply device, the electronic device comprising:a transformer supplied with the voltage from the external power supply device;
an electric double-layer capacitor charged with an output voltage of the transformer;
a voltage converter connected to an output of the transformer;
a processor comprising a power supply terminal supplied with an output voltage of the voltage converter;
first and second photo-couplers supplied with the voltage from the external power supply device; and
a capacitor connected to a primary side of the second photo-coupler through a resistor, wherein
the primary side of the second photo-coupler is grounded via a pull-down resistor in the external power supply device, and
the processor comprises first and second terminals supplied with outputs of the first and second photo-couplers and a third terminal supplied with a charging voltage of the electric double-layer capacitor, and configured to detect occurrence of power failure or detachment of the electronic device from the external power supply device in response to a combination of states of the first, second and third terminals.

US Pat. No. 10,459,013

APPARATUS FOR AND METHOD OF PROVIDING MEASUREMENTS OF UNCERTAINTY IN RESPECT OF A TRANSFER FUNCTION

Analog Devices Global, H...

1. A transfer function measurement circuit for estimating a transfer function of an electronic system, the transfer function measurement circuit comprising:a measurement circuit coupled to a sensor, wherein the transfer function measurement circuit estimates a value of a measurand or a correction factor associated with the electronic system, the transfer function measurement circuit being configured to:
provide a perturbation signal to the sensor using the measurement circuit,
measure a resulting signal through the sensor;
estimate, at different first and second points in time, respective first and second transfer functions of the electronic system based on the perturbation signal and the resulting signal;
compute a difference between the first and second transfer functions;
determine a level of confidence or uncertainty in at least one of the first and second transfer functions; and
perform an action associated with the electronic system based on the difference and the level of confidence or uncertainty, the action comprising at least one of adjusting operation of the electronic system or flagging a fault condition for attention.

US Pat. No. 10,459,012

SYSTEM FOR MONITORING ELECTRICAL POWER USAGE OF A STRUCTURE AND METHOD OF SAME

BELKIN INTERNATIONAL, INC...

1. A method for monitoring usage of electrical power of a structure using an electrical power monitoring system, the structure having one or more main electrical power lines that supply the electrical power to a first load in the structure, the method comprising:calibrating the electrical power monitoring system, comprising:
attaching a computational device of the electrical power monitoring system to a first phase line of the structure;
attaching a calibration device of the electrical power monitoring system to a second phase line of the structure, wherein the first phase line of the structure is different than the second phase line of the structure; and
determining amplitudes and phases of currents in each current sensor of a sensing device of the electrical power monitoring system while the computational device is attached to the first phase line and while the calibration device is attached to the second phase line, wherein first calibration data are generated while calibrating the electrical power monitoring system;
storing the first calibration data;
measuring a first raw current using the sensing device of the electrical power monitoring system;
calculating a first measured current based on the first raw current; and
displaying the first measured current.

US Pat. No. 10,459,011

METHOD FOR MULTIPLEXING WHEATSTONE BRIDGE MEASUREMENTS

HALLIBURTON ENERGY SERVIC...

1. A method for determining signals, the method comprising:receiving a bridge output from a Wheatstone bridge sensing a slow signal with slow sensors and a fast signal with fast sensors, an operational amplifier connected to the Wheatstone bridge configured to receive the bridge output and generate an output, and an analog-to-digital converter connected to the operational amplifier and configured to convert the output to a single digital output; and
demultiplexing the single digital output to determine a slow output associated with the slow signal and a fast output associated with the fast signal from the bridge output utilizing a microcontroller, wherein the microcontroller generates an offset signal in response to only the single digital output, wherein the offset signal ensures that the fast output is not clipped by an operational amplifier.

US Pat. No. 10,459,010

CURRENT DETECTION ELEMENT INCLUDING A COIL-SHAPED CURRENT DETECTION CONDUCTOR, TRANSMISSION DEVICE, AND ELECTRIC POWER TRANSMISSION SYSTEM

Murata Manufacturing Co.,...

1. A current detection element, comprising:an insulator;
a main line conductor formed in the insulator;
a coil-shaped current detection conductor formed in the insulator and magnetically coupled with the main line conductor; and
a plate-shaped electrostatic shielding conductor formed inside the insulator, and being grounded, wherein
the electrostatic shielding conductor overlaps at least one of the main line conductor and the current detection conductor in plan view from a winding axis direction along a winding axis of the current detection conductor.

US Pat. No. 10,459,009

SELF-ADAPTIVE CURRENT MONITORING CIRCUIT HAVING A VOLTAGE DIVIDING UNIT FOR OUTPUTTING AN INCREASED OR DECREASED DIVIDED VOLTAGE SIGNAL ACCORDING TO A VOLTAGE REGULATION SIGNAL

HANGZHOU HONGXIN MICROELE...

1. A self-adaptive current monitoring circuit, configured to monitor a current generated by an optical sensing element, the self-adaptive current monitoring circuit comprising a voltage dividing unit, a comparison unit, a threshold unit, and a voltage regulation unit;the voltage dividing unit coupled with the optical sensing element, and the voltage dividing unit configured to generate a corresponding divided voltage signal according to a current signal of the optical sensing element;
the comparison unit coupled with the voltage dividing unit, and the comparison unit configured to receive and generate a monitoring signal according to the divided voltage signal;
the threshold unit coupled with the comparison unit, and the threshold unit configured to receive the monitoring signal and compare the monitoring signal with a threshold signal to output a switch control signal; and
the voltage regulation unit coupled with the threshold unit and the voltage dividing unit, the voltage regulation unit configured to receive and generate a voltage regulation signal according to the switch control signal, and the voltage dividing unit receiving and outputting an increased or decreased divided voltage signal according to the voltage regulation signal.

US Pat. No. 10,459,008

OCCUPANCY MEASUREMENT AND TRIGGERING IN FREQUENCY DOMAIN BITMAPS

Tektronix, Inc., Beavert...

1. A method of measuring an occupancy of an input signal by a test and measurement instrument, comprising:accumulating the input signal into a frequency domain bitmap during a measurement period, the frequency domain bitmap including a grid, each cell of the grid including an indication of how many hits occurred in the cell of the accumulated input signal;
outputting the frequency domain bitmap for display to a user;
receiving an input from the user indicating a region of the frequency domain bitmap;
defining a region of interest of the frequency domain bitmap based on the indicated region;
calculating the occupancy of the input signal within the region of interest, wherein the occupancy is indicative of a percentage of hits or time that the input signal occurs within the region of interest, wherein calculating the occupancy of the input signal comprises dividing an amount of time that the input signal is present in the region of interest by the total time of the measurement period; and
outputting the occupancy for additional processing;
wherein the occupancy is continuously calculated and output during the measurement period.

US Pat. No. 10,459,007

PROBE CARD

VIA Technologies, Inc., ...

1. A probe card, comprising:a circuit board;
a transformer disposed on the circuit board, and including:
a body having a first surface and a second surface, wherein the first surface is located between the circuit board and the second surface;
a plurality of first solder balls disposed on the first surface; and
a plurality of first contact points disposed on the second surface;
a probe head disposed on the second surface, wherein the probe head is electrically connected to the first contact points, and is electrically connected to the circuit board through the first solder balls;
a reinforcement structure disposed between the probe head and the circuit board, wherein the first solder balls are connected between the first surface and the circuit board, the reinforcement structure includes an encapsulant disposed on the first surface and the encapsulant only covers the first solder balls, a thickness of the encapsulant measured from the first surface is greater than half of a height of each of the first solder balls measured from the first surface, and the thickness of the encapsulant measured from the first surface is less than the height of each of the first solder balls measured from the first surface, and wherein the first contact points are a plurality of bumps protruding from the second surface, the body has a plurality of openings, a trace of the transformer is disposed in each of the plurality of openings, and each of the first contact points fills in the corresponding opening and is connected to the corresponding trace,
wherein the reinforcement structure includes:
an interposer disposed between the transformer and the circuit board and electrically connected to the circuit board, wherein the interposer has a third surface and a fourth surface that are opposite to each other, the third surface is located between the circuit board and the fourth surface, the first solder balls are connected between the first surface and the fourth surface, and the probe head is electrically connected to the interposer through the first solder balls; and
a plurality of second solder balls disposed on the third surface and connected between the third surface and the circuit board, wherein the interposer is electrically connected to the circuit board through the second solder balls.

US Pat. No. 10,459,005

EVALUATION APPARATUS FOR SEMICONDUCTOR DEVICE AND EVALUATION METHOD FOR SEMICONDUCTOR DEVICE

Mitsubishi Electric Corpo...

1. An evaluation apparatus for a semiconductor device comprising:a chuck stage that has a surface on which a plurality of probe holes are formed and sucks a semiconductor device; and
a plurality of in-chuck probes that have first ends which are inserted into the respective probe holes, and second ends which protrude from said surface of said chuck stage in a direction normal to said surface of said chuck stage, and come into contact with an arrangement surface of said semiconductor device arranged in said chuck stage, wherein
maximum extendable protrusion heights from said surface of said chuck stage of said in-chuck probes monotonically change with a distance from a center of said surface of said chuck stage to a peripheral part of said surface of said chuck stage.

US Pat. No. 10,459,004

ELECTRICAL CONTACT AUTO-ALIGNMENT STRATEGY FOR HIGHLY PARALLEL PEN ARRAYS IN CANTILEVER FREE SCANNING PROBE LITHOGRAPHY

Tera-Print, LLC

1. A lithography instrument comprising:a probe array;
a controller that controls positioning of the probe array or a substrate relative to each other, wherein a plurality of components are to be manufactured on the substrate by lithography; and
means to align the probe array or the substrate parallel to each other on an automated basis for subsequent manufacturing lithography based on measured electrical current,
wherein alignment of the probe array or the substrate to be parallel to each other is performed in multiple orthogonal planes to level the probe array or substrate relative to one another,
wherein a layer of conductive material is deposited at at least two regions of the probe array and at least one region of the substrate, or vice versa, to form conductive regions,
wherein application of voltage to the conductive regions on the probe array, substrate or both configures multiple independent electrical circuits between the probe array and the substrate, and
wherein measurement of electrical current in each of the independent electrical circuits is indicative of relative positioning of the probe array and the substrate.

US Pat. No. 10,459,003

SIGNAL DETECTION METHOD FOR CAPACITANCE DETECTION TYPE SENSOR, MEMS SENSOR, AND SYSTEM

HITACHI AUTOMOTIVE SYSTEM...

1. A signal detection method for detecting a change of an electric capacitance of a capacitance detection type sensor, comprising:receiving, at the sensor, a signal within a signal frequency bandwidth, the signal having electric charge information indicating the change in electric capacitance,
generating a carrier wave, used to transfer the signal to a circuit, at a first modulation frequency and a second modulation frequency lower than the first modulation frequency, each of the first modulation frequency and a second modulation frequency being greater than the signal frequency bandwidth;
transferring, to the circuit, the signal having the electric charge information indicating the change in the electric capacitance and modulated by the carrier wave;
sampling, at the circuit, the signal at the first modulation frequency;
converting, at the circuit, the signal having the electric charge information indicating the change in the electric capacitance into a second signal having electric charge information indicating a change in a voltage such that a frequency spectrum component of the signal at the first modulation frequency is changed to direct current (DC) while a frequency spectrum component of the signal at the first modulation frequency remains unchanged;
demodulating the second signal, having the electric charge information indicating the change in the voltage, with the second modulation frequency; and
applying a frequency filter to the demodulated signal to obtain a target frequency signal.

US Pat. No. 10,459,002

MOTION ANALYSIS METHOD AND MOTION ANALYSIS DEVICE

SEIKO EPSON CORPORATION, ...

12. A motion analysis device comprising:at least one circuit or processor configured to:
while a sporting equipment is being used by a user:
receive sensor data from an inertial sensor attached to a shaft of a-the sporting equipment used for swinging, the inertial sensor being attached to the shaft in a grip portion of the shaft;
detect, based on the received sensor data, moving speeds of the grip portion and moving speeds of a head of the sporting equipment during a swing action;
extract, from among the moving speeds, a maximum value of the moving speeds of the grip portion, and a moving speed of the grip portion at impact;
calculate a rate of change of the maximum value of the moving speeds of the grip portion and the moving speed of the grip portion at impact;
identify a deceleration value of the grip portion based on the calculated rate of change; and
cause a display to display data regarding the identified deceleration value of the grip portion.

US Pat. No. 10,459,001

METHOD FOR DETERMINING AT LEAST ONE SPEED IN A RAIL VEHICLE

Siemens Mobility GmbH, M...

1. A method for determining a speed of a rail vehicle equipped with at least one first chassis supporting a carriage of the rail vehicle and for applying a brake of the rail vehicle, the method comprising:providing, with a sensor associated with the first chassis, at least one chassis speed measurement variable related to the first chassis;
recording inertial measurement variables by an inertial measuring unit;
forming a reference speed characteristic variable based on the chassis speed measurement variable;
determining an inertial speed characteristic variable by carrying out an inertial calculation with at least one computing unit, at least based on the inertial measurement variables and, during at least one period according to a first operating mode, based on the reference speed characteristic variable in order to estimate a deviation in the inertial calculation;
determining the inertial speed characteristic variable, by way of the inertial calculation, at least based on the inertial measurement variables and, during at least one period according to a second operating mode, without taking into account the reference speed characteristic variable;
with a detection unit, detecting an abnormal process of providing the chassis speed measurement variable based on a reference characteristic variable and the chassis speed measurement variable;
upon detecting the abnormal process of providing the chassis speed measurement variable, carrying out the inertial calculation according to the second operating mode;
assigning a plurality of computing units to the first chassis, each computing unit being able to respectively carry out the inertial calculation according to the operating modes and providing a result of the inertial calculation at an output;
assigning a switching apparatus to the computing units, wherein said switching apparatus is selectively connected to one of the outputs in order to provide the inertial speed characteristic variable;
connecting a respective switching unit, which has a first switching state and a second switching state, upstream of each computing unit, wherein in the first switching state, the switching unit provides the reference speed characteristic variable for the respective computing unit for carrying out the first operating mode and wherein in the second switching state, the switching unit decouples the respective computing unit from the reference speed characteristic variable in order to carry out the second operating mode;
if an abnormal recording process is not present, matching respective switching cycles of the switching units and a switching cycle of the switching apparatus to one another so that the switching apparatus, during each switching process, establishes a connection to the at least one computing unit which carries out the inertial calculation according to the second operating mode;
if an abnormal recording process is present, all switching units are switched in the second switching state; and
applying the brake at least dependent on a magnitude of the inertial speed characteristic variable.

US Pat. No. 10,459,000

ENCODER WHEEL FOR WHEEL-HUB UNIT

1. A speed measuring device for a wheel-hub unit provided with a rolling bearing, the measuring device comprising:an encoder wheel made of magnetized material and assembled on a rotating ring of the bearing;
mechanical supporting means that are directly placed between the encoder wheel and the rotating ring so that the encoder wheel and the ring are angularly constrained to each other; and
mechanical locking means for axially locking the encoder wheel inside a seat that is defined by the mechanical locking means together with the mechanical supporting means, wherein
the mechanical supporting means comprises two lateral flanges, and comprising
a first lateral flange having a radial dimension that is smaller than a second lateral flange, the second lateral flange is a pushing lateral flange for keying a measuring device onto the rotating ring.

US Pat. No. 10,458,999

CELL SUCTION SYSTEM, AND METHOD FOR PERFORMING SUCTION WORK OF INTRACELLULAR SUBSTANCE USING THE SAME

Yokogawa Electric Corpora...

1. A cell suction system that supports suction work of a substance within a cell, the cell suction system comprising:a container configured to receive the cell;
a tubular tip configured to suction the substance from the inside of the cell received in the container;
an illumination lamp in which two or more light emitting elements are arrayed to surround the tubular tip;
a microscope having an objective lens and an imaging lens, the objective lens being arranged below the container and at a height that is as close to the container; and
a detection section configured to detect a position of a front end part of the tubular tip, the detection section comprising:
an optical component assembly comprising:
a pinhole array disk comprising a plurality of pinholes and configured to rotate:
a dichroic mirror configured to reflect at least a portion of light having passed through the objective lens and the pinhole array disk and entering into the dichroic mirror; and
a camera configured to detect the light reflected by the dichroic mirror,
the optical component assembly being configured to acquire an optical output signal of the front end part of the tubular tip from a light path connecting the objective lens and the imaging lens;
at least one memory storing instructions; and
at least one processor coupled to the optical component assembly and programmed to execute the instructions to detect the position of the front end part of the tubular tip based on an optical output signal of the front end part of the tubular tip acquired from a light path connecting the objective lens and the imaging lens,
wherein a direction of an optical axis of the objective lens and a longitudinal direction including the front end part of the tubular tip are parallel, and
wherein the processor is programmed to execute the instructions to detect a position in a height direction where the front end part of the tubular tip is located at a focal point of the objective lens based on variation of the output signal when the front end part of the tubular tip is moved in the longitudinal direction, and
wherein the processor determines that the front end part of the tubular tip is located at the focal point of the objective lens when a contrast of the front end part of the tubular tip is high in the optical output signal of the front end part of the tubular tip.

US Pat. No. 10,458,998

DEVICE FOR PROCESSING SAMPLES

QIAGEN GMBH, Hilden (DE)...

1. A device configured to process samples, comprising:a module configured to receive and/or output at least one of a sample vessel and a process vessel,
a transport module configured to transport the process vessel,
a sample conditioning module configured to perform sample conditioning, and
comprising a lysis module and an extraction module,
wherein the extraction module comprises at least one plastic sleeve comprising a hollow region inside the sleeve and at least one magnet removably disposed inside the hollow region,
wherein, when the at least one magnet disposed inside the hollow region is positioned inside the process vessel, the at least one magnet attracts at least one analyte bound to a magnetic particle onto the outside surface of the sleeve,
a preparation module configured to prepare a sequential process for the at least one analyte,
a plurality of control modules configured to recognize the type of a sample vessel, by acquisition of the dimensions by means of at least one of a bar code scanner and a laser scanner,
wherein the modules are dispersed throughout a plurality of units connected by a first data bus, wherein a first unit comprises the sample conditioning module, a second unit comprises the preparation module, each of the first and second units comprises a control module, and one of the units comprises a plurality of modules connected by a second data bus,
wherein each unit is placed in a separate housing, such that the sample conditioning module is structurally separate from the preparation module, and wherein the housings are removably connected such that each housing can be removed without removing another housing, and
wherein each of the modules comprises a microcontroller or microprocessor configured to control progress inside the module and communication with another module.

US Pat. No. 10,458,997

SIGNAL OFFSET DETERMINATION AND CORRECTION

Roche Diagnostics Operati...

1. A method for determining a background shift comprised in optical measurement signals of an analyzer for samples, the method comprising:obtaining a plurality of sets of optical measurements of a sample taken by the analyzer at different points in time, wherein each set includes at least one measurement taken in a first channel (l1) and another measurement taken in a second channel (l2) different from the first channel;
dividing the plurality of sets of optical measurements into one group of sets (group A) and another group of sets (group B), wherein the measurements in the one group of sets (group A) are taken during a different period of time than the measurements in the other group of sets (group B) and wherein the measurements in the one group of sets (group A) show a larger signal change when compared to the measurements in the other group (group B);
determining a first background signal (bA) based on a relation of measurements in the first and second channels (l1, l2) in the one group (A) by determining a linear correlation between the measurements in the first and second channels (l1, l2) of the one group (A) and calculating an intercept (bA) and a slope (m) between the measurements in the first and second channels (l1, l2) of the one group (group A), wherein the first background signal corresponds to the intercept (bA);
determining a second background signal (bB) based on a relation of measurements in the first and second channels in the other group (B) by multiplying the measurements in the other group (B) taken in the first channel (l1) by the slope (m) and subtracting measurements in the other group (B) taken in the second channel (l2); and
determining a background shift based on whether the first and second background signals (bA, bB) deviate by more than a threshold value.

US Pat. No. 10,458,995

COMBINATORIAL SYNTHESIS AND BIOMARKER DEVELOPMENT

1. A peptoid or pharmaceutically acceptable salt thereof comprising a formula:
or any combination thereof, wherein R is independently selected from a group consisting of a coupling group that couples to a linker, a substrate, or a label; hydrogen; deuterium; C1-6 alkyl; C2-6 alkenyl; C2-6 alkynyl, C3-8cycloalkyl; heteroaryl, cycloalkyl; C1-6alkylheteroaryl; C1-6 alkylaryl; and alkylcycloalkyl; each of which except hydrogen and deuterium may be individually and independently substituted one or more times with XA; halogen; NY2; CXXY; XCY3; alkyl; hydrogen; deuterium; carboxylic acid; ether; amine; XX2NY2; ?X; XCY2X or any combinations thereof, wherein X is independently selected from oxygen or sulfur; Y is independently selected from deuterium or hydrogen; A is hydrogen, deuterium, aryl, or heteroaryl.

US Pat. No. 10,458,994

METHODS FOR MASS SPECTROMETRIC BASED CHARACTERIZATION OF BIOLOGICAL MOLECULES

THERMO FINNIGAN LLC, San...

1. A method for identifying one or more protein compounds within a liquid sample comprising a mixture of compounds that includes a plurality of protein compounds, the method comprising:(a) forming positively charged ions of the mixture of compounds of the portion of the liquid sample by electrospray ionization in an ion source of a mass spectrometer, the positively charged ions comprising a plurality of ion species;
(b) generating a mass spectrum of the ions using a mass analyzer of the mass spectrometer;
(c) automatically decomposing peaks of the mass spectrum into a plurality of sets of peaks and assigning a charge state to each peak of each set, wherein each set of peaks corresponds to a group of the ion species derived from a respective one of the protein compounds by adduction of hydrogen ions;
(d) choosing a plurality of mass-to-charge ratio (m/z) ranges based on observable features in the plurality of sets of peaks; and
(e) for each one of the chosen m/z ranges:
(e1) automatically calculating a molecular weight, MW, corresponding to a mass spectral peak observed at a mass-to-charge ratio (m/z)p in the respective chosen m/z range using the observed value of (m/z)p and a charge state assigned to the peak in step (c);
(e2) isolating a respective subset of the ion species having m/z values within the respective chosen m/z range;
(e3) generating, from the respective isolated subset of ion species, a plurality of first-generation product ions of a product ion species having mass-to-charge ratio (m/z)2 by causing said respective isolated first subset of ion species to be reacted, in an ion trap, with anions of a reagent compound that, upon reaction, extract protons from each of one or more ion species that comprises a protonated molecular species of a protein compound, the reacting performed for a predetermined time duration during which a first supplemental oscillatory voltage waveform is applied to electrodes of the ion trap at a frequency that matches a frequency of motion of ions of the ion species having the mass-to-charge ratio (m/z)2;
(e4) generating, from the respective first-generation product ions, a plurality of second-generation product ions comprising one or more second-generation product ion species by causing ions of the respective first-generation product ion species to be reacted with additional anions of the reagent compound for a second predetermined time duration;
(e5) generating a plurality of fragment ion species by fragmenting ions of the respective one or more second-generation product ion species;
(e6) generating a mass spectrum of the respective fragment ions; and
(e7) searching for a protein identification based on the respective determined molecular weight and the mass-to-charge values observed in the mass spectrum of the respective fragments.

US Pat. No. 10,458,992

BREATH SAMPLING AND ANALYSIS DEVICE

GM Nameplate, Inc., Seat...

1. A gas analysis device, comprising:(a) a canister comprising a cavity, an inlet aperture, and an outlet aperture, wherein the canister is configured to receive a gas sample into the cavity through the inlet aperture, and wherein a cross-sectional area of the outlet aperture is smaller than a cross-sectional area of the cavity;
(b) a sensor in fluid communication with the cavity and configured to analyze a portion of the gas sample received from the cavity;
(c) a blower assembly in fluid communication with the sensor and configured to selectively draw the portion of the gas sample from the cavity through the outlet aperture to expose the sensor to the portion of the gas sample.

US Pat. No. 10,458,990

SPORE STATE DISCRIMINATION

Scanit Technologies, Inc....

1. A method comprising:directing a flow of air comprising a fungal spore to a collection cartridge;
trapping the fungal spore on a tape medium of the collection cartridge;
positioning the fungal spore within a field of view of a camera sensor while the fungal spore remains trapped on the tape medium of the collection cartridge;
activating an ultraviolet (UV) light source to illuminate the trapped fungal spore with UV light;
opening a camera shutter associated with the camera sensor for a time period;
while the trapped fungal spore is illuminated with the UV light, allowing the camera sensor to collect light emitted from the trapped fungal during a first portion of the time period;
after the first portion of the time period has elapsed, directing, during a second portion of the time period after the first portion of the time period, a first burst of white light, originating from a first position, towards the trapped fungal spore;
directing, during the second portion of the time period, a second burst of white light, originating from a second position, different from the first position, towards the trapped fungal spore;
after the second portion of the time period has elapsed, closing the camera shutter to generate an image; and
analyzing the image to obtain a shape of the trapped fungal spore.

US Pat. No. 10,458,989

REAGENTS FOR DIRECTED BIOMARKER SIGNAL AMPLIFICATION

SIRIGEN II LIMITED, Oxfo...

1. A water-soluble conjugated polymer having the structure of the formula:
wherein:
Ar is an aryl or heteroaryl unit substituted with a non-ionic side group capable of imparting solubility in water;
MU is a polymer modifying unit or band gap modifying unit that is evenly or randomly distributed along the polymer main chain and is optionally substituted with one or more optionally substituted substituents selected from halogen, hydroxyl, C1-C12 alkyl, C2-C12 alkene, C2-C12 alkyne, C3-C12 cycloalkyl, C1-C12 haloalkyl, C1-C12 alkoxy, C2-C18 (hetero)aryloxy, C2-C18 (hetero)arylamino, a C2-C18 (hetero)aryl group and (CH2)x?(OCH2CH2)y?OCH3 where x? is independently an integer from 0-20 and y? is independently an integer from 0 to 50;
optional linkers L1 and L2 are each independently an aryl or a heteroaryl group evenly or randomly distributed along the polymer main chain and are substituted with one or more pendant chains terminated with: i) a functional group selected from amine, carbamate, carboxylic acid, carboxylate, maleimide, activated ester, N-hydroxysuccinimidyl, hydrazine, hydrazide, hydrazone, azide, alkyne, aldehyde, thiol, and protected groups thereof for conjugation to a molecule or biomolecule; or ii) a conjugated organic dye or biomolecule;
G1 and G2 are each independently selected from hydrogen, halogen, alkyne, optionally substituted aryl, optionally substituted heteroaryl, halogen substituted aryl, boronic acid substituted aryl, boronic ester substituted aryl, boronic ester, boronic acid, optionally substituted fluorene and aryl or heteroaryl substituted with one or more pendant chains terminated with: i) a functional group selected from amine, carbamate, carboxylic acid, carboxylate, maleimide, activated esters, N-hydroxysuccinimidyl, hydrazine, hydrazide, hydrazone, azide, alkyne, aldehyde, thiol, and protected groups thereof for conjugation to a molecule or biomolecule; or ii) a conjugated organic dye or biomolecule;
wherein:
n is the number of repeat units;
the polymer comprises at least 1 functional group selected from amine, carbamate, carboxylic acid, carboxylate, maleimide, activated ester, N-hydroxysuccinimidyl, hydrazines, hydrazide, hydrazone, azide, alkyne, aldehyde, and thiol within G1, G2, L1 or L2, or a conjugated organic dye or biomolecule; and
a, b, c and d define the mol % of each unit within the structure which each can be evenly or randomly repeated and where a is a mol % from 10 to 100%, b is a mol % from 0 to 90%, and each c and d are mol % from 0 to 25%.

US Pat. No. 10,458,988

BIOTINYLATED LUMINESCENT PROBE

MUSC Foundation for Resea...

1. A bioluminescent probe of formula I (B-YL):
wherein n is 10 to 200,
or a derivative thereof.