US Pat. No. 11,112,628

LIQUID CRYSTAL DISPLAY DEVICE INCLUDING COMMON ELECTRODE CONTROL CIRCUIT

SHARP KABUSHIKI KAISHA, ...


1. A liquid crystal display device comprising:a liquid crystal panel having a common electrode and formed using oxide semiconductor;
a power supply control circuit configured to output a control signal which becomes an active level in a period set after power off, and a power supply voltage which is kept at an operation level even after power off until a middle of the period; and
a common electrode control circuit configured to connect the common electrode to a ground when the control signal is at the active level and the power supply voltage is at the operation level, wherein
the common electrode control circuit includes:a first resistor having one end to which the power supply voltage is supplied and another end connected to a first node;
a second resister having one end connected to the first node and another end connected to the ground;
a NOT circuit configured to output an inverted signal of the control signal;
a first transistor having a first conduction terminal connected to the first node, a second conduction terminal connected to the ground, and a control terminal to which the inverted signal is supplied; and
a second transistor having a first conduction terminal connected to the common electrode, a second conduction terminal connected to the ground, and a control terminal connected to the first node.


US Pat. No. 11,112,627

VIEWING ANGLE CONTROL UNIT, SUBSTRATE ASSEMBLY OF THE VIEWING ANGLE CONTROL UNIT, AND DISPLAY ASSEMBLY

PANASONIC LIQUID CRYSTAL ...


1. A viewing angle control unit comprising:a first substrate assembly and a second substrate assembly, at least one of which includesa transparent base substrate,
a transparent electrode layer that is disposed on said transparent base substrate,
a conductive terminal disposed on said transparent base substrate, and
an alignment film that is disposed on said transparent electrode layer;

a liquid crystal (LC) component disposed between said first and second substrate assemblies; and
a seal component interconnecting said first and second substrate assemblies, and surrounding said LC component,
wherein said transparent electrode layer includes:a first electrode portion that is disposed more inward relative to said seal component;
a second electrode portion that is disposed outside of said first electrode portion; and
a third electrode portion that is connected to said second electrode portion, that is spaced apart from said first electrode portion by said second electrode portion, that is electrically connected to said first electrode portion via said second electrode portion, and that is to be electrically connected to said conductive terminal for receiving a voltage therefrom,

wherein said transparent electrode layer has a first groove extending along at least part of the seal component,
wherein said first groove is included in the second electrode portion,
wherein said conductive terminal is in contact with said third electrode portion, and
wherein said second electrode portion has a sealing region overlapping with said seal component, and said first groove is positioned between said sealing region and said third electrode portion.

US Pat. No. 11,112,626

METHOD FOR DETECTING BREAKAGE OF SUBSTRATE OF A SWITCHABLE OPTICAL ELEMENT AND SWITCHABLE OPTICAL DEVICE

MERCK PATENT GMBH, Darms...


1. A method for detecting breakage of a substrate (A, B) of at least oneswitchable optical element (10),
the at least one switchable optical element (10) comprising
a first substrate (A) and a second substrate (B),
the first substrate (A) being coated with a first electrode and the second substrate (B) being coated with a second electrode, and
a switchable layer (14), the switchable layer (14) being sandwiched between the first substrate (A) and second substrate (B),
the first electrode and second electrode each having at least one contact (A1, A2, B1, B2),
the method comprising
i)
a) applying an electric field between the first electrode and the second electrode by applying a test signal provided by a test signal source to the at least one switchable optical element (10), wherein the test signal is an AC signal, and
wherein
an output of the test signal source is split into two signal lines (21, 22, 21?, 22?),
the first electrode having at least two contacts and each signal line (21, 22, 21?, 22?) being connected with another one of the contacts (A1, A2) of the first electrode,
and the at least one contact (B1, B2) of the second electrode being connected to a reference potential (26),
b) measuring of a differential signal between the two signal lines (21, 22, 21?, 22?), and
c) detecting a broken substrate if at least one parameter of the differential signal exceeds a predetermined threshold or if a change of at least one parameter of the differential signal exceeds a predetermined threshold,
and/or the method comprising
ii)
a) measuring a capacitance (C1, C2) between one contact (A1, A2) of the first electrode and one contact (B1, B2) of the second electrode, and
b) detecting a broken substrate if the measured capacitance (C1, C2) is below a predetermined threshold or if a change in the measured capacitance (C1, C2) exceeds a predetermined threshold,
and/or the method comprising
iii)
a) measuring an electrical resistance (R1) between two contacts (A1, A2) of the first electrode and/or measuring an electrical resistance (R2) between two contacts (B1, B2) of the second electrode, the first electrode and/or second electrode having at least two contacts (A1, A2, B1, B2), and
b) detecting a broken substrate if the measured resistance (R1, R2) exceeds a predetermined threshold or if a change in the measured resistance (R1, R2) exceeds a predetermined threshold,
and/or the method comprising
iv)
a) applying an electric field between the first electrode and the second electrode by applying an AC driving signal to the at least one contact (A1, A2) of the first electrode and to the at least one contact (B1, B2) of the second electrode, the AC driving signal being configured to switch and/or hold the switchable optical element (10) in one of the states of the switchable optical element (10),
b) measuring a current of the AC driving signal, and
c) detecting a broken substrate if the measured current exceeds a predetermined threshold or if a change in the measured current exceeds a predetermined threshold.

US Pat. No. 11,112,625

OPTICAL MODULATOR INCLUDING ELECTRO-OPTIC POLYMER IN GROOVES HAVING MULTIPLE WIDTHS

FUJITSU OPTICAL COMPONENT...


1. An optical device comprising: a groove on a waveguide formed on a substrate, the groove being formed in a longitudinal direction and having electro-optic (EO) polymer placed in the groove; and an optical modulator that modulates light propagated through the waveguide by changing phase of the light propagated through the waveguide through change of a refractive index of the EO polymer placed in the groove by means of an electric signal, the optical device further comprising:a first terminal groove formed on the substrate and having a width larger than a width of the groove in the optical modulator, the width of the groove in the optical modulator being along a direction perpendicular to a direction in which the light is propagated; and
a relay groove formed on the substrate and communicating with the groove in the optical modulator and the first terminal groove, wherein
the EO polymer is placed in the groove in the optical modulator, the relay groove, and the first terminal groove.

US Pat. No. 11,112,624

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD THEREOF

RENESAS ELECTRONICS CORPO...


1. A semiconductor device comprising:a first insulating layer;
an optical waveguide formed on the first insulating layer and having a first side surface and a second side surface which are located opposite sides with each other;
a first slab portion formed on the first insulating layer such that the first slab portion is adjacent to the first side surface;
a second insulating layer formed on the optical waveguide; and
a conductive layer formed on the second insulating layer,
wherein the optical waveguide has a first conductivity type,
wherein the first slab portion comprises;a first portion having a second conductivity type opposite to the first conductivity type;
a second portion located farther from the optical waveguide than the first portion and having the first conductivity type; and
a third portion formed between the optical waveguide and the second portion and having the first conductivity type,

wherein the semiconductor device further comprises:an interlayer insulating layer formed on the first insulating layer such that the interlayer insulating layer covers the optical waveguide, the first slab portion, the second insulating layer, and the conductive layer;
a first via formed in the interlayer insulating layer such that the first via reaches the conductive layer;
a second via formed in the interlayer insulating layer such that the second via reaches the first portion; and
a third via formed in the interlayer insulating layer such that the third via reaches the second portion.


US Pat. No. 11,112,623

DISTRIBUTED CMOS DRIVER WITH ENHANCED DRIVE VOLTAGE FOR SILICON OPTICAL PUSH-PULL MACH-ZEHNDER MODULATORS

Acacia Communications, In...


1. A silicon optical modulator driver comprising:driver circuitry configured to:electrically drive a first plurality of diodes with a first modulating signal, the first plurality of diodes disposed at differing locations on a first common optical waveguide arm of a Mach-Zehnder optical modulator; and
electrically drive a second plurality of diodes with a second modulating signal, the second plurality of diodes disposed at differing locations on a second common optical waveguide arm of the Mach-Zehnder optical modulator;

wherein at least a first diode of the first plurality of diodes is electrically connected in parallel to at least a second diode of the second plurality of diodes.

US Pat. No. 11,112,622

EYEWEAR AND LENSES WITH MULTIPLE MOLDED LENS COMPONENTS

LUXOTTICA S.R.L., Bellun...


1. Eyewear comprising:a lens comprising:a base layer having a front surface and a rear surface; and
an optical element disposed on the front surface of the base layer, the optical element comprising:
a first layer comprising a first polymeric material;
a second layer comprising a second polymeric material; and
a functional layer between the first and the second layers,
wherein the first or the second layer at least partially comprises an optical filter comprising one or more chroma enhancement dyes, the optical filter configured to increase an average chroma value of a uniform intensity light stimuli having a bandwidth of 30 nm within a visible spectral range transmitted through the optical element compared to a neutral filter that uniformly attenuates an equal average percentage of light as the optical filter within the visible spectral range.


US Pat. No. 11,112,621

OPTICAL DEVICE WITH DESENSITIZED ROTATIONAL ANGULAR ALIGNMENT FOR ASTIGMATISM CORRECTION


1. An ophthalmic lens to be worn on an eye of a patient, comprising: a main body having a toric surface and a spherical surface opposite the toric surface, the main body comprising an eyelid stabilization design structure having a thickness of less than 200 ?m, wherein the spherical surface is configured to exhibit a lens spherical power, wherein the toric surface is configured to exhibit a lens cylindrical power that is less than a target cylinder power that would result in substantially full cylinder correction for said patient; and wherein the lens spherical power is configured such that a minimum circle of the ophthalmic lens is on or adjacent the retina of the eye of the patient at a target angle of alignment.

US Pat. No. 11,112,620

CRAZING RESISTANT COATING AND METHOD THEREOF

Vision Ease, LP, Ramsey,...


1. A method for forming an optical article having anti-reflective properties comprising:applying a hard-coating on a first and a second optical surface of an optical article;
forming a first anti-reflective coating over the hard-coating of the first optical surface, the first anti-reflective coating having a reflectance over a visible spectrum and a mechanical property; and
forming a second anti-reflective coating over the hard-coating of the second optical surface, the second anti-reflective coating having a substantially same reflectance over 400 nm to 780 nm as the reflectance of the first anti-reflective coating, substantially the same color as the first anti-reflective coating, and a mechanical property distinct from the mechanical property of the first anti-reflective coating.

US Pat. No. 11,112,619

EYEWEAR WITH COOLING FRAME


1. An eyewear, comprising:a rim having an interior side and an exterior side, said eyewear utilize a pair of lenses within said rim to suit liking of a wearer, each of said pair of lenses include an interior side and an exterior side of said lenses, said interior side and said exterior side of said lenses are treated with a hydrophobic coating;
a bridge having an interior side and an exterior side; and
a plurality of temples having an interior side and an exterior side, said interior side and said exterior side of each said temple is made of thermally conductive material and thermally insulative material wherein, said thermally insulative material is bulged outward to produce a hollow interstitial space said temples of said eyewear are folded about a pair of hinges in a common manner to produce a compact state.

US Pat. No. 11,112,618

BEAM SPLITTING APPARATUS

ASML Netherlands B.V., V...


1. A beam-splitting apparatus comprising:a first conical diffraction grating configured to split a first beam of radiation to generate at least a second beam of radiation consisting essentially of a zeroth diffraction order and a third beam of radiation consisting essentially of a non-zero diffraction order; and
a second conical diffraction grating configured to split the second beam to generate at least a fourth beam of radiation consisting essentially of a diffraction order and a fifth beam of radiation consisting essentially of a non-zero diffraction order different from the diffraction order of the fourth beam, wherein the beam-splitting apparatus is configured to generate output radiation beams comprising the third and fifth beams.

US Pat. No. 11,112,617

LUMINAIRE

ROBERT BOSCH START-UP PLA...


1. A spreading optics system for distributing electromagnetic (EM) waves emitted by an emitter having an emission vector, the spreading optics system comprising:reflective surfaces including:a concave first reflector having a concave cross section in a first plane substantially perpendicular to the emission vector; and
a convex second reflector arranged further from the emitter than the concave first reflector, and having a convex cross section in a second plane substantially parallel the first plane;

the reflective surfaces configured to divergently redirect the EM waves into a vector fan at a predetermined angle relative to the emission vector.

US Pat. No. 11,112,616

REFRACTIVE LENS ARRAY ASSEMBLY

AMERICAN STERILIZER COMPA...


1. A lighting system comprising:a light source;
a collimator; and
a refractive lens array assembly comprising:a first optical element including a first face having a stepped surface, and a second face having a curved surface,
a second optical element including a first face having a curved surface, and a second face having a generally planar surface, and
a third optical element including a first face having a generally planar surface, and a second face having a generally planar wedge-shaped surface,
wherein the curved surfaces of the first and second optical elements face each other and the generally planar surfaces of the second and third optical elements face each other, and
wherein at least one of the first optical element, the second optical element, and the third optical element is moveable relative to an optical axis.


US Pat. No. 11,112,614

LIGHT-EMITTING DEVICE

SHIMADZU CORPORATION, Ky...


1. A light-emitting device, comprising:a first light source;
a second light source, each of the first and second light sources having:a single emitter; and
a first beam shaping module, wherein:said first beam shaping module splits an emission light received from a respective one of said first and second light sources into a plurality of split-lights in a slow-axis direction;
said beam shaping module also shapes a shaped-beam in which said plurality of split-lights are arrayed in a fast-axis direction;

said first beam shaping module comprising:a light splitting element that modifies an original light-axis of a part of said emission light and splits said emission light to said plurality of split-lights in said slow-axis direction;
a light-path modifying element that propagates respectively said plurality of split-lights in different light-paths, said light path modifying element comprising said respective light-paths of said plurality of split-lights, the emission light of the first light source and the second light source being emitted in parallel directions to one another; and

an optical mirror redirects said shaped-beam of said second light source from said slow-axis direction in an orthogonal direction;
a polarization beam splitter receives said shaped-beam of said first light source in said slow-axis direction and said shaped-beam of said second light source that was redirected by said optical mirror, wherein said polarization beam splitter polarizes and combines said redirected shaped-beam of said second light source and said shaped-beam of said first light source;a collimator that collimates said emission light from respective the first and second light sources in said fast-axis direction and said slow-axis direction, said collimator further comprising:an F-axis collimator lens that collimates said emission light from respective first and second light sources in said fast-axis direction and an S-axis collimator lens that collimates said emission light from said respective first and second light sources, which said F-axis collimator lens collimates, in said slow-axis direction; and

said emission light from said respective first and second light sources is collimated in said fast-axis direction and said slow-axis direction are guided to said first beam shaping module; and

a second beam shaping module that receives emitted light from said first beam shaping module.


US Pat. No. 11,112,613

INTEGRATED AUGMENTED REALITY HEAD-MOUNTED DISPLAY FOR PUPIL STEERING

FACEBOOK TECHNOLOGIES, LL...


1. A head-mounted display device for providing augmented reality contents to a wearer, the device comprising:an eye tracker configured to determine a position of a pupil of an eye of the wearer;
a light projector configured to project light for rendering images based at least on the augmented reality contents;
a beam steerer configured to change a direction of the light from the light projector based on the position of the pupil; and
a combiner configured to combine the light from the light projector and light from an outside of the head-mounted display device for providing an overlap of the rendered image and a real image that corresponds to the light from the outside of the head-mounted display device, wherein:the beam steerer is mechanically coupled with the combiner to rotate or translate the combiner so that the light from the light projector impinges on different locations on the combiner, thereby changing the direction of the light from the light projector; and
the combiner is configured to reflect the light from the light projector and transmit the light from the outside of the head-mounted display device.


US Pat. No. 11,112,612

HINGE MECHANISM AND HEAD-MOUNTED DISPLAY INCLUDING THIS HINGE MECHANISM

Sony Corporation, Tokyo ...


1. A hinge mechanism, comprising:a shaft portion that supports a housing portion and a temple portion of a head-mounted display in such a way that the temple portion is capable of rotating about one axis between a closed position and an open position relative to the housing portion, wherein the shaft portion includes first and second shaft portions that are symmetrical to each other across an axis orthogonal to the one axis; and
a cable passing portion that is adjacent to the shaft portion in a direction of the one axis, and allows a cable to pass therethrough in a direction orthogonal to the one axis.

US Pat. No. 11,112,611

WEARABLE PUPIL-FORMING DISPLAY APPARATUS

Raytrx, LLC, Tulsa, OK (...


1. A wearable display apparatus comprising a headset that is configured for display from a left-eye optical system and a right-eye optical system, wherein each optical system defines a corresponding exit pupil for a viewer along a view axis and comprises:(a) an electroluminescent image generator that is energizable to direct image-bearing light for a 2D image from an emissive surface along an optical path;
(b) a curved reflective surface disposed along the view axis and partially transmissive, wherein the curved reflective surface defines a curved intermediate focal surface;
(c) a beam splitter disposed along the view axis and oriented to reflect light toward the curved reflective surface;
(d) an optical image relay that is configured to optically conjugate the formed 2D image at the image generator with the curved intermediate focal surface, wherein the optical image relay comprises:(i) a prism having an input surface facing toward the emissive surface of the image generator, an output surface facing toward the curved intermediate focal surface, and a folding surface extending between the input and output surfaces and configured for folding the optical path for light generated by the image generator, wherein an aperture stop for the relay is formed within the prism;
(ii) at least a first plano-aspheric lens in optical contact against the prism input surface and configured to form the aperture stop within the prism and to guide the image-bearing light from the image generator toward the folding surface;

wherein the relay, curved mirror, and beam splitter are configured to form the exit pupil for viewing the generated 2D image superimposed on a portion of a visible object scene,
wherein combined images from both left- and right-eye optical systems form a 3D image for the viewer;
and
(e) a plurality of sensors coupled to the headset and configured to acquire measured data relating to the viewer.

US Pat. No. 11,112,610

IMAGE DISPLAY DEVICE AND HEAD MOUNTED DISPLAY USING THE SAME

HITACHI-LG DATA STORAGE, ...


1. An image display device projecting an image to a user, comprising:an image generation unit that generates image light;
a projection optical unit that projects the image light generated by the image generation unit;
an image light duplication unit that duplicates and emits the image light projected by the projection optical unit; and
a light-guiding unit that projects the image light duplicated by the image light duplication unit to a user,
wherein the projection optical unit includes at least one projection lens, and
wherein an interval at which the image light duplication unit duplicates the image light is smaller than an outer diameter of the projection lens.

US Pat. No. 11,112,609

DIGITAL GLASSES HAVING DISPLAY VISION ENHANCEMENT

Snap Inc., Santa Monica,...


1. Eyewear, comprising:a frame having a first side and a second side;
a first temple adjacent the first side of the frame;
a see-through display supported by the frame and configured to display an object having edges;
an electronic component configured to control an aspect of the displayed object as a function of an eyeglass prescription of a user's eye; and
memory storing a display correction chart including brightness corrections as a function of a plurality of eyeglass prescriptions, wherein the electronic component is configured to adjust the brightness of the object edges as a function of one of the brightness corrections.

US Pat. No. 11,112,608

SYSTEMS, APPARATUSES, AND METHODS FOR IMAGE SHIFTING IN MONOCHROMATIC DISPLAY DEVICES

Facebook Technologies, LL...


1. An apparatus comprising:a plurality of monochromatic emitter arrays, wherein each of the plurality of monochromatic emitter arrays has a plurality of emitters disposed in a two-dimensional configuration and emits a monochromatic image of a corresponding color;
a waveguide configuration including:a top surface,
a bottom surface disposed opposite the top surface,
a coupling area that receives the monochromatic images; and
a decoupling area that projects a plurality of instances of a polychromatic image comprising a combination of the monochromatic images toward an eyebox through the bottom surface; and

an actuator system that produces lateral shifting of the plurality of instances of the polychromatic image between at least two positions relative to the waveguide configuration.

US Pat. No. 11,112,607

SYSTEMS, APPARATUSES, AND METHODS FOR MONOCHROMATIC DISPLAY WAVEGUIDES

Facebook Technologies, LL...


1. An apparatus comprising:a waveguide configuration including:a coupling area having at least one coupling element configured to receive a plurality of monochromatic images, wherein each of the monochromatic images is of a predetermined wavelength of light;
a propagation area in which light, received via the at least one coupling element, moves within a length of the waveguide configuration; and
a decoupling area that extends along the propagation area and comprises decoupling elements that project a polychromatic image toward an eyebox, the polychromatic image comprising the monochromatic images of the predetermined wavelengths of light.


US Pat. No. 11,112,606

MULTIPLE LAYER PROJECTOR FOR A HEAD-MOUNTED DISPLAY

Facebook Technologies, LL...


1. A head-mounted display (HMD), comprising:a first display panel configured to display a first image;
a second display panel positioned in front of the first display panel to at least partially overlap with the first display panel, the second display panel including:a display substrate; and
a plurality of light emitting diodes (LEDs) positioned on the display substrate, the plurality of LEDs configured to display a second image, the display substrate and the plurality of LEDs being transparent for the first image to be visible through the second display panel; and

a controller configured to:determine a vergence depth of a user's eyes by tracking positions of the user's eyes;
associate vergence depths with focal capabilities of the first and second display panels; and
selectively provide data for displaying an object to the first display panel or the second display panel based on the vergence depth and the focal capabilities of the first and second display panels, the data being provided to the first display panel and not the second display panel responsive to a first determined vergence depth of the user's eyes such that the object is presented on the first display panel and not presented on the second display panel, and the data being provided to the second display panel and not to the first display panel responsive to a second determined vergence depth of the user's eyes such that the object is presented on the second display panel and not presented on the first display panel, the second determined vergence depth being shorter than the first determined vergence depth.


US Pat. No. 11,112,605

DIFFRACTIVE OPTICAL ELEMENTS WITH ASYMMETRIC PROFILES

Microsoft Technology Lice...


1. A method of manufacturing an optical display system, comprising:providing a polymeric substrate of planar optical material;
disposing a first diffractive optical element (DOE) arranged on the polymeric substrate, the first DOE having an input surface and configured as an in-coupling grating to receive one or more optical beams as an input;
creating a glass mold having a planar microstructure comprising features that are asymmetric with respect to an axis that is orthogonal to the plane of the mold; and
using the mold to form a second DOE on the polymeric substrate which is configured to receive one or more optical beams from the first DOE and couples the received one or more optical beams to a third DOE, and in which the second DOE is configured for pupil expansion of the received one or more optical beams along a first direction,
wherein at least a portion of the second DOE includes grating features each having a slant angle to a respective axis orthogonal to the plane of the polymeric substrate, such that each grating feature is asymmetric about the axis, and
wherein the second DOE is configured with uniform grating features that are periodic in only a single direction.

US Pat. No. 11,112,604

HEAD-UP DISPLAY

Continental Automotive Gm...


1. A head-up display comprising:an image generator which generates an image,
at least one sensor capable of detecting a fast change in position in at least one of the image, a pre-warped image signal, and a display signal,
a display unit, and
a correction unit for a mirror unit, wherein the correction unit is arranged following the image generator, and wherein the correction unit applies an offset to the at least one of the image, the pre-warped image signal, and the display signal that corresponds to the fast change in position, and wherein the offset is reduced according to a time constant.

US Pat. No. 11,112,603

OPTICAL SCANNER, DISPLAY SYSTEM, AND MOBILE OBJECT

Ricoh Company, Ltd., Tok...


1. An optical scanner comprising:a light source configured to emit irradiation light;
a light deflector configured to scan the irradiation light emitted from the light source in a first scanning direction and in a second scanning direction intersecting with the first scanning direction;
a photodetector configured to detect the irradiation light when the light deflector scans a detection field; and
circuitry configured to,turn on the light source in a first irradiation field scanned by the light deflector from the detection field to an end in the first scanning direction and turn on the light source in a second irradiation field scanned by the light deflector from the end in the first scanning direction towards the detection field, and
cause a position of an edge of the first irradiation field on the detection field side to move in the first scanning direction closer to the detection field and cause a position of an edge of the second irradiation field on the detection field side to move in the first scanning direction closer to the detection field.


US Pat. No. 11,112,602

METHOD, APPARATUS AND SYSTEM FOR DETERMINING LINE OF SIGHT, AND WEARABLE EYE MOVEMENT DEVICE

BEIJING 7INVENSUN TECHNOL...


1. A method for determining line of sight, comprising:acquiring first gaze information of a user relative to a line of sight tracking module, wherein the line of sight tracking module is close to the user and capable of moving with the user;
acquiring a relative parameter between the line of sight tracking module and a fixed object; and
determining a first reference system of the first gaze information, wherein the first reference system is configured to indicate line of sight of the user relative to the line of sight tracking module;
converting the first reference system to a second reference system according to the relative parameter, wherein the second reference system is configured to indicate line of sight of the user relative to the fixed object, wherein the relative parameter comprises: relative position information between the line of sight tracking module and the fixed object, and coordinate transformation angle information of the line of sight tracking module relative to the fixed object; and
determining, according to the second reference system, second gaze information corresponding to the first gaze information; wherein the second gaze information is gaze information of the user relative to the fixed object.

US Pat. No. 11,112,601

HEAD MOUNTED DISPLAY INCLUDING A REVERSE-ORDER CROSSED PANCAKE LENS

Facebook Technologies, LL...


1. A pancake lens block comprising:a first compound retarder comprising a stack of at least three quarter wave plates whose optical axes are oriented in a specific order relative to one another, where the first compound retarder is configured to selectively transmit a portion of radiation from a radiation source;
a partial reflector is configured to receive the portion of radiation from the first compound retarder and transmits the portion of radiation;
a second compound retarder comprising an additional stack of at least three quarter wave plates whose optical axes are orthogonal and oriented in a different order that reversely maps to the specific order, where the second compound retarder is configured to selectively transmit the portion of radiation from the partial reflector;
a reflective polarizer configured to reflect the portion of radiation selectively transmitted by the second compound retarder back to the partial reflector through the second compound retarder, where the partial reflector reflects a second portion of the radiation from the second compound retarder back to the reflective polarizer; and
an eye-reflection portion configured to:receive the second portion of radiation from the reflective polarizer after the second portion of radiation has passed through the second compound retarder; and
reduce back reflections emanating from an eye of a user, the eye-reflection portion comprising:a polarizer;
a third compound retarder comprising another stack of at least three quarter wave plates; and
an anti-reflective material.



US Pat. No. 11,112,600

CAMERA MODULE

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


1. A voice coil motor, the voice coil motor comprising:a holder member;
a lens holder disposed in the holder member;
a base disposed below the holder member;
a coil disposed on the lens holder; and
a magnet disposed on the holder member and facing the coil,
wherein the holder member comprises an upper surface, a first lateral surface extending downwardly from the upper surface, a second lateral surface extending downwardly from the upper surface and adjacent to the first lateral surface, an opened-bottom magnet reception part formed in the first lateral surface, and a concave part recessed from a lower portion of the holder member, wherein the concave part is located at a corner of the holder member where the first lateral surface of the holder member meets the second lateral surface of the holder member, and the concave part is continuously present in a transition from the first lateral surface of the holder member to the second lateral surface of the holder member at the corner of the holder member,
wherein the magnet is disposed on the magnet reception part of the holder member, and
wherein the base comprises an upper surface, a first lateral surface extending upwardly from the upper surface and corresponding to the first lateral surface of the holder member, a second lateral surface extending upwardly from the upper surface and adjacent to the first lateral surface while corresponding to the second lateral surface of the holder member, and a convex part protruding from the upper surface of the base and coupled to the concave part of the holder member, wherein the convex part is located at a corner of the base that corresponds to the corner of the holder member and is where the first lateral surface of the base meets the second lateral surface of the base, and wherein the convex part is continuously present in a transition from the first lateral surface of the base to the second lateral surface of the base at the corner of the base.

US Pat. No. 11,112,599

ANTIREFLECTION FILM HAVING HARD COATING LAYER AND DISPLAY DEVICE INCLUDING THE SAME

LG Chem, Ltd., Seoul (KR...


1. An antireflection film comprising a hard coating layer and a low refractive index layer formed on the hard coating layer,wherein a roughness skewness (Rsk) of a concavo-convex shape of a surface of the low refractive index layer is greater than 0.5 and less than 5, and a slope angle of the concavo-convex shape of the surface of the low refractive index layer is greater than 0.01 degree and less than 0.2 degree, and
wherein the low refractive index layer comprises a binder resin including a polysilsesquioxane in which at least one reactive functional group is substituted.

US Pat. No. 11,112,598

PATTERN DRAWING DEVICE, PATTERN DRAWING METHOD, AND METHOD FOR MANUFACTURING DEVICE

NIKON CORPORATION, Tokyo...


1. A pattern drawing apparatus that draws a pattern on a substrate, by projecting a beam from a light source apparatus onto the substrate and scanning in a main scanning direction while performing intensity modulation of the beam according to pattern information, the pattern drawing apparatus comprising:a drawing unit including a beam scanning section that has a deflecting member configured to deflect the beam from the light source apparatus to scan with the beam in the main scanning direction, and a reflected light detecting section configured to photoelectrically detect, via the deflecting member of the beam scanning section, reflected light emitted when the beam is projected onto the substrate;
a beam intensity modulating section configured to control an intensity modulation of the beam according to the pattern information, such that at least a portion of a second pattern to be newly drawn is drawn overlapping with at least a portion of a first pattern formed in advance of a specified material on the substrate; and
a measuring section configured, while the second pattern is being drawn on the substrate, to measure a relative positional relationship between the first pattern and the second pattern, based on a detection signal output from the reflected light detecting section.

US Pat. No. 11,112,597

DUAL-DRIVE DEVICE FOR SEQUENTIAL SCANNING, AND ASSOCIATED METHOD

THALES, Courbevoie (FR)


1. A dual-drive device for sequential scanning, comprising:a moving part comprising a frame and an optical instrument that is positioned on the frame and is rotatable about a first axis with respect to the frame so as to be immobilized in a plurality of successive positions about the first axis,
a motor configured to set the moving part in rotation about the first axis in a first direction of rotation at a constant speed,
wherein the moving part comprises a first actuator positioned on the frame mounted in series on the moving part, said first actuator comprising a first end and a second end, the first end being secured to the frame and the second end being connected to the optical instrument, said first actuator being configured to move the first end in translation relative to the second end in a plane substantially perpendicular to the first axis so as to actuate the rotation of the optical instrument about the first axis with respect to the frame in the first direction of rotation in order to pass from a first position to a successive position from the plurality of successive positions, and in a second direction of rotation, opposite to the first direction of rotation, in order to slow down or immobilize the optical instrument in the successive position.

US Pat. No. 11,112,596

ARC SHAPED VISUAL AID


1. A magnifier for use braced against a human head, said magnifier comprising:a. a hinge means functioning to secure a frame, said frame having a window centrally located therein;
b. said frame having a proximal and a distal extension defined thereon;
c. a lens, said lens being smaller than the human cornea, said lens being secured to an upper and a lower extension on said frame;
d. said hinge means having at least one stationary loop and a pivoting axle therein;
e. said pivoting axle having a connection to the frame;
f. said stationary loop designed to act as a footing and abut the superior orbital rim of a user;
g. said stationary loop is secured to a user's ring;
h. wherein the user can position said frame in a closed position against the ring and a functional position; and
i. wherein the user can open the frame to the functional position and place the stationary loop against the user's superior orbital rim, or lower eyelid thereby positioning the lens a distance from the cornea ranging from 2.5 mm to about 3.5 mm (0.098 inch to 0.138 inch).

US Pat. No. 11,112,595

ENDOSCOPE AND ADAPTOR FOR ENDOSCOPE

OLYMPUS CORPORATION, Tok...


1. An endoscope comprising:a first concave lens, a first light flux from a first region of a subject being incident on the first-concave lens;
a second concave lens, a second light flux from a second region of the subject being incident on the second concave lens, the second light flux being in a direction orthogonal to the first light flux, the second region being different from the first region;
a prism comprising a mirror region, the first light flux and the second light flux each being incident on the prism, the first light flux and the second light flux passing through the prism at an intersecting portion of the prism, the second light flux being reflected by the mirror region after passing through the intersecting portion, the first light flux and the second light flux being emitted from the prism to a predetermined region;
a light-shield disposed at the predetermined region, the light-shield comprising two holes through which the first light flux and the second light flux pass through, respectively, the light-shield being configured to selectively shield one of the two holes;
an image sensor comprising an imaging area; and
an imaging lens disposed closer to the image sensor than the light-shield is, the imaging lens being configured to form images of the first light flux passing through the first concave lens and of the second light flux passing through the second concave lens at a common region of the imaging area;
wherein
the first concave lens is disposed such that the first light flux from the first concave lens being incident in a direction substantially parallel to the optical axis of the imaging lens and directed toward a center of the image sensor, the first light flux being disposed only on a first side of an optical axis of the imaging lens; and
the second concave lens is disposed so that the second light flux from the second concave lens being incident in a direction substantially orthogonal to the optical axis of the imaging lens and directed toward the center of the image sensor, the second light flux being disposed only on a second side of the optical axis of the imaging lens, the first side and the second side are offset in a direction perpendicular to the optical axis of the imaging lens with the second side being opposite to the first side relative to the optical axis;
the endoscope further comprising:
a first decentered lens disposed on the first side of the optical axis of the imaging lens, the first decentered lens being configured to deflect the first light flux such that a part of the first light flux emitted from the prism and passing through a center of one of the two holes reaches a center of an image formed on the image sensor, the part of the first light flux being inclined with respect to the optical axis of the imaging lens; and
a second decentered lens disposed on the second side of the optical axis of the imaging lens, the second decentered lens being configured to deflect the second light flux such that a part of the second light flux emitted from the prism and passing through a center of an other of the two holes reaches the center of the image formed on the image sensor, the part of the second light flux being inclined with respect to the optical axis of the imaging lens;
wherein the first light flux passes through the first decentered lens, the one of the two holes of the light shield and then is incident on the imaging lens, the second light flux passes through the second decentered lens, the other of the two holes of the light shield and then is incident on the imaging lens.

US Pat. No. 11,112,594

DUAL MODE MICROENDOSCOPE CONCENTRATING LIGHT EMISSION INTO RING AREA

CORNELL UNIVERSITY, Itha...


1. A microendoscope comprising:a tube housing that defines an optical path;
a lens assembly positioned within a distal end of the tube housing, wherein the distal end of the tube housing is shaped to provide an increase in the collection of light emission from a sample, and wherein the lens assembly comprises within the optical path:a second element including a convex proximal surface and a concave distal surface; and
a third element including a convex proximal surface mated with the concave distal surface of the second element, as well as a straight distal surface, at least a portion of each of the second element and the third element comprising a dichroic coating; and

a plurality of light pipes directly coupled to a proximal side of the lens assembly;
wherein an interior finish of a region of the distal end of the tube housing comprises a reflective material coating for emission wavelengths, and wherein at least the region of the distal end of the tube housing has a parabolic or spherical shape configured to concentrate a light emission into a ring area, and wherein the light pipes are positioned within the ring area.

US Pat. No. 11,112,593

SAMPLE PROCESSING FOR MICROSCOPY

Alentic Microscience Inc....


1. An apparatus comprising:a light sensitive imaging sensor having a surface to receive a fluid sample in contact with the surface of the light sensitive imaging sensor;
a body to be moved relative to the light sensitive imaging sensor and having an exposed surface facing toward the surface of the light sensitive imaging sensor and configured to touch a portion of the fluid sample when the fluid sample is in contact with the surface of the light sensitive imaging sensor and between the surface of the light sensitive imaging sensor and the body; and
a carrier configured to move the body toward the surface of the light sensitive imaging sensor to cause the exposed surface of the body to touch the portion of the fluid sample and then to become supported by the fluid sample, wherein the carrier is configured such that, as the body becomes supported by the fluid sample, the body becomes unsupported by the carrier and separates from the carrier.

US Pat. No. 11,112,592

FINE FOCUS MICROSCOPE CONTROL

Board of Supervisors of L...


7. A fine focus microscope comprising:a gradient-index (GRIN) lens collects light from an object being imaged;
a tube lens for forming forms a first image from light received from said GRIN lens;
a fine focus lens located between the tube lens and an eyepiece, wherein the fine focus lens is forms a second image from said first image;
the eyepiece forms a third image from said second image, wherein said third image is viewable by a user;
a field lens that directs light from said second image to said eyepiece;
a positioning system in mechanical connection with said fine focus lens, said eyepiece, and said field lens;
a tube, wherein said GRIN lens, tube lens, fine focus lens, field lens, and eyepiece are disposed within said tube;
wherein said positioning system changes a position of said fine focus lens, said eyepiece, and said field lens with respect to the first image to provide a change in focus at said eyepiece of said object being imaged while a position of the objective lens is unchanged; and
wherein said fine focus lens provides a magnification between 2X and 100X.

US Pat. No. 11,112,591

REDUCED DIMENSIONALITY STRUCTURED ILLUMINATION MICROSCOPY WITH PATTERNED ARRAYS OF NANOWELLS

ILLUMINA, INC., San Dieg...


1. A method of imaging a biological sample, comprising:projecting an optical pattern onto a biological sample and capturing a first image of the optical pattern overlaid on the biological sample, the biological sample being contained in an asymmetrically patterned flowcell comprising a plurality of elongated nanowells, wherein each of the elongated nanowells is elliptically shaped or rectangularly shaped;
phase shifting the projected optical pattern relative to the biological sample and capturing at least a second image of the phase shifted optical pattern overlaid on the biological sample; and
reconstructing a high resolution image representative of the biological sample based upon the first captured image and the at least second captured image.

US Pat. No. 11,112,590

METHODS, SYSTEMS, APPARATUSES, AND DEVICES FOR FACILITATING DIAGNOSING MICROSCOPIC OBJECTS IN A SAMPLE OF AN OBJECT


1. A smartphone microscope hardware for facilitating diagnosing microscopic objects in a sample of an object, the smartphone microscope hardware comprising:a smartphone case configured to interface with a smartphone, wherein the smartphone case is rigidly attachable to the smartphone, wherein the smartphone case comprises an opening juxtaposed to a camera of the smartphone;
at least one magnifier attached to the smartphone case, wherein the opening forms a cavity in the smartphone case, wherein the at least one magnifier is disposed in the cavity, wherein the at least one magnifier is optically coupled with the camera;
at least one glass slide configured for receiving at least one sample of at least one object, wherein the at least one object comprises at least one microscopic object, wherein the smartphone case is disposed adjacent to a first side of the at least one glass slide, wherein the camera of the smartphone is configurable for capturing at least one image of the at least one sample, wherein the at least one magnifier is configured for magnifying the at least one image prior to the capturing, wherein a processing device of the smartphone is configurable for:analyzing the at least one image;
identifying the at least one microscopic object based on the analyzing; and
generating at least one notification based on the identifying, wherein a display device of the smartphone is configurable for displaying at least one of the at least one image and the at least one notification; and
at least one light source disposed adjacent to a second side of the at least one glass slide, wherein the at least one light source is configured for emitting light, wherein the light is configured for illuminating the at least one glass slide, wherein the capturing of the image is based on the illuminating.


US Pat. No. 11,112,589

OPTICAL IMAGING LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...


1. An optical imaging lens assembly comprising sequentially, from an object side to an image side along an optical axis: a first lens, a second lens, a third lens, and a fourth lens, wherein,the first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface;
the second lens has a positive refractive power or a negative refractive power, an object-side surface of the second lens is a concave surface, and an image-side surface of the second lens is a convex surface;
the third lens has a positive refractive power, an object-side surface of the third lens is a concave surface, and an image-side surface of the third lens is a convex surface;
the fourth lens has a positive refractive power or a negative refractive power; and
an effective focal length f1 of the first lens and a total effective focal length f of the optical imaging lens assembly satisfy: 1.2 wherein a maximum effective half aperture DT11 of the object-side surface of the first lens and a center thickness CT1 of the first lens on the optical axis satisfy: 1.7

US Pat. No. 11,112,588

ZOOM LENS AND IMAGING APPARATUS

FUJIFILM Corporation, To...


1. A zoom lens comprising only the following six lens groups with refractive power, in order from an object side to an image side:a first lens group having a positive refractive power;
a second lens group having a negative refractive power;
a third lens group having a positive refractive power;
a fourth lens group having a positive refractive power;
a fifth lens group having a negative refractive power; and
a sixth lens group having a positive refractive power;
the first lens group moving toward the object side, a distance between the first lens group and the second lens group increasing, a distance between the second lens group and the third lens group decreasing, a distance between the third lens group and the fourth lens group changing, a distance between the fourth lens group and the fifth lens group changing, and a distance between the fifth lens group and the sixth lens group changing, when changing magnification from a wide angle end to a telephoto end;
further comprising a stop positioned adjacent to the third lens group on the image side thereof;
the stop moves integrally with the third lens group when changing magnification; and
Conditional Formula (6) below is satisfied:0.3
wherein X3 is an amount of displacement of the third lens group when changing magnification from the wide angle end to the telephoto end, and X1 is an amount of displacement of the first lens group when changing magnification from the wide angle end to the telephoto end, and
the third lens group has two cemented lenses, where one of the cemented lenses has a positive lens and a negative lens provided in this order from the object side to the image side that are cemented together, and positioned most toward the image side therein.

US Pat. No. 11,112,587

IMAGING OPTICAL SYSTEM, PROJECTION-TYPE DISPLAY APPARATUS, AND IMAGING APPARATUS

FUJIFILM Corporation, To...


1. An imaging optical system capable of projecting an image, displayed on an image display device disposed on a reduced-side conjugate plane, as a magnified image on a magnified-side conjugate plane, the system comprising, in order from a magnified side:a first optical system which is constituted by a plurality of lenses; and
a second optical system which is constituted by a plurality of lenses, wherein
the second optical system forms the image displayed on the image display device as an intermediate image,
the first optical system forms the intermediate image on the magnified-side conjugate plane,
a height of a principal ray of light having a maximum angle of view becomes maximum on a lens surface of the whole system on the most magnified side, among heights of principal rays of light having a maximum angle of view on respective lens surfaces, and
the following Conditional Expressions (1) and (4) are satisfied,0.03 0.8
where H is a height of the principal ray of light having a maximum angle of view on a plane orthogonal to an optical axis through a point of intersection between the lens surface on the most magnified side and the optical axis,
f is a focal length of the whole system,
L is a distance on the optical axis between the lens surface on the most magnified side and a lens surface on a most reduced side,
I is a maximum image height on a reduced side, and
fo is a focal length of the first optical system.

US Pat. No. 11,112,586

OPTICAL IMAGING LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...


1. An optical imaging lens assembly comprising, sequentially along an optical axis from an object side to an image side: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens, and a seventh lens,wherein the first lens has a positive refractive power, an object-side surface of the first lens is a convex surface, and an image-side surface of the first lens is a concave surface;
each of the second lens, the third lens, the fourth lens, and the fifth lens has a positive refractive power or a negative refractive power;
an image-side surface of the third lens is a concave surface;
the sixth lens has a positive refractive power;
the seventh lens has a negative refractive power, and both an object-side surface and an image-side surface of the seventh lens are concave surfaces; and
a spacing distance TTL of a center of the object-side surface of the first lens to an image plane of the optical imaging lens assembly on the optical axis and half of a diagonal length ImgH of an effective pixel area on the image plane of the optical imaging lens assembly satisfy: TTL/ImgH?1.4,
wherein a distance SAG41 from an intersection point of an object-side surface of the fourth lens and the optical axis to a vertex of an effective radius of the object-side surface of the fourth lens on the optical axis and a center thickness CT4 of the fourth lens on the optical axis satisfy: SAG41/CT4<0.5.

US Pat. No. 11,112,585

OPTICAL IMAGING LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...


1. An optical imaging lens assembly comprising, sequentially from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, a fifth lens, and a sixth lens,wherein the first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface;
the second lens has a refractive power, an object-side surface of the second lens is a convex surface, and an image-side surface of the second lens is a concave surface;
each of the third lens and the fourth lens has a refractive power;
the fifth lens has a positive refractive power, and an image-side surface of the fifth lens is a convex surface;
the sixth lens has a negative refractive power, and an object-side surface and an image-side surface of the sixth lens are concave surfaces; and
a total effective focal length f of the optical imaging lens assembly and an entrance pupil diameter EPD of the optical imaging lens assembly satisfy: f/EPD?1.6,
wherein a center thickness CT2 of the second lens on the optical axis and a spacing distance T12 between the first lens and the second lens on the optical axis satisfy: 4.30?CT2/T12?5.69, and
wherein an effective focal length f1 of the first lens and a center thickness CT1 of the first lens on the optical axis satisfy: 3

US Pat. No. 11,112,584

IMAGING LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...


1. An imaging lens assembly, comprising sequentially a first lens, a second lens, a third lens, a fourth lens, a fifth lens and a sixth lens from an object side to an image side along an optical axis, and having a total effective focal length f,wherein the first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface;
the second lens has a negative refractive power;
the third lens, the fourth lens, the fifth lens and the sixth lens each have a positive refractive power or a negative refractive power; and
a distance TTL from the object-side surface of the first lens to an image plane of the imaging lens assembly on the optical axis and the total effective focal length f satisfy: TTL/f?1.05,
wherein the total effective focal length f and a center thickness CT6 of the sixth lens on the optical axis satisfy: f/CT6?15.

US Pat. No. 11,112,583

CAMERA LENS ASSEMBLY AND CAMERA DEVICE COMPRISING THE CAMERA LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...


1. A camera lens assembly comprising sequentially, from an object side to an image side along an optical axis, a first lens, a second lens, a third lens, a fourth lens, and at least one subsequent lens,wherein the first lens has a negative refractive power, and an image-side surface of the first lens is a concave surface;
an image-side surface of the second lens is a convex surface;
the fourth lens has a negative refractive power; and
an effective radius DT21 of an object-side surface of the second lens and an effective radius DT42 of an image-side surface of the fourth lens satisfy: 0.5

US Pat. No. 11,112,582

FOLDED TELEPHOTO CAMERA LENS SYSTEM

Apple Inc., Cupertino, C...


1. A telephoto lens system, comprising:a plurality of optical elements arranged along a first optical axis and a second optical axis of the lens system and configured to:refract light from an object field along the first optical axis;
redirect the light on to the second optical axis; and
refract the light on the second optical axis to form an image at an image plane;

wherein the plurality of optical elements includes, in order along the first and second optical axes from an object side of the lens system to an image side of the lens system:a first lens element with positive refractive power having a convex object side surface;
a second lens element with negative refractive power;
a light path folding element configured to redirect the light at a particular surface of the light path folding element from the first optical axis on to the second optical axis;
a third lens element located along the second optical axis, the third lens element with negative refractive power and having a concave image-side surface; and
a fourth lens element with positive refractive power.


US Pat. No. 11,112,581

OPTICAL IMAGING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...


1. An optical imaging lens assembly comprising seven lens elements, the seven lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element and a seventh lens element;wherein an axial distance between an object-side surface of the first lens element and an image-side surface of the seventh lens element is Td, a maximum effective radius of the image-side surface of the seventh lens element is Y72, a chief ray with an incident angle of 55 degrees relative to an optical axis is CR, an intersection point between CR and the image-side surface of the seventh lens element is P, a vertical distance from the optical axis to P is Yc_55, a maximum image height of the optical imaging lens assembly is ImgH, and the following conditions are satisfied:Td/|Y72|<1.80; and
0.30<|Yc_55|/ImgH<0.95.


US Pat. No. 11,112,580

PHOTOGRAPHING LENS ASSEMBLY COMPRISING EIGHT LENSES OF +?++??+?, +??++?+?, +??+??+?, +???+?+? OR +??+?++? REFRACTIVE POWERS, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...


1. A photographing lens assembly comprising eight lens elements, the eight lens elements being, in order from an object side to an image side, a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element, a sixth lens element, a seventh lens element and an eighth lens element;wherein the first lens element with positive refractive power has an object-side surface being convex in a paraxial region thereof, the sixth lens element has an image-side surface being concave in a paraxial region thereof, the seventh lens element has an image-side surface being concave in a paraxial region thereof, the eighth lens element with negative refractive power has an object-side surface being concave in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, and the image-side surface of the eighth lens element has at least one critical point in an off-axis region thereof;
wherein a central thickness of the first lens element is CT1, a maximum value among central thicknesses of the second through eighth lens elements is MaxCT28, a curvature radius of the image-side surface of the seventh lens element is R14, a curvature radius of the object-side surface of the eighth lens element is R15, an axial distance between an object-side surface of the third lens element and an image-side surface of the fifth lens element is Dr5r10, an axial distance between an object-side surface of the sixth lens element and the image-side surface of the eighth lens element is Drl 1r16, and the following conditions are satisfied:1.0 R14/R15<1.20; and
Dr5r10/Dr11r16<0.90.


US Pat. No. 11,112,579

OPTICAL LENS ASSEMBLY

ZHEJIANG SUNNY OPTICAL CO...


1. An optical lens assembly, comprising sequentially a first lens, a second lens, a third lens and a fourth lens from an object side to an image side along an optical axis,wherein the first lens has a positive refractive power, and an object-side surface of the first lens is a convex surface;
the second lens has a negative refractive power, and an object-side surface of the second lens is a concave surface;
the third lens has a positive refractive power or a negative refractive power; and
the fourth lens has a negative refractive power,
wherein an air spacing T23 between the second lens and the third lens on the optical axis and an air spacing T34 between the third lens and the fourth lens on the optical axis satisfy:T23/T34<0.2, and

wherein an axial distance TTL from the object-side surface of the first lens to an image plane of the optical lens assembly and a total effective focal length f of the optical lens assembly satisfy:0.8

US Pat. No. 11,112,578

OPTICAL ELEMENT SWITCHING SYSTEMS FOR AN ELECTRO OPTICAL SYSTEM

Raytheon Company, Waltha...


1. An optical device, comprising:a housing operable to support one or more optical sensors, the housing defining an optical path through an optical prescription center of the housing; and
an optical element switching system associated with the housing, the optical element switching system comprising:a plurality of carriers movable about non-parallel sides of the housing, and each comprising a frame and an optical component supported by the frame;
a carrier guide system comprising a housing interface that engages a carrier interface, wherein the carrier guide system is operable to movably support the plurality of carriers relative to the housing; and
a carrier drive system operable to selectively move and position the plurality of carriers along the carrier guide system in and out of the optical path.


US Pat. No. 11,112,577

LENS DRIVE DEVICE

TDK CORPORATION, Tokyo (...


1. A lens drive device comprising:a lens holder configured to hold a lens;
a frame around the lens holder and configured to hold the lens holder such that the lens holder is movable relative to the frame along a light axis of the lens; and
a drive portion configured to move the lens holder relatively to the frame along the light axis; wherein
the lens holder has a stopper portion that opposes the frame below a part of the frame in a light axis direction,
the stopper portion has an end surface facing upward to the part of the frame in the light axis direction such that the end surface can contact the part of the frame when the lens holder moves upward in the light axis direction relative to the frame, and
the stopper includes an intersection corner between the end surface of the stopper portion and a side surface of the stopper portion that is configured not to touch the frame.

US Pat. No. 11,112,576

OPTICAL LENS AND FABRICATION METHOD THEREOF

Ray Optics Inc., Hsinchu...


1. A fabrication method of an optical lens, comprising:disposing a first lens and a second lens in a first lens barrel, the first lens being associated with a first maximum unbalance value, and the second lens being associated with a second maximum unbalance value;
disposing a third lens and a fourth lens in a second lens barrel, the third lens being associated with a third maximum unbalance value, and the fourth lens being associated with a fourth maximum unbalance value, wherein the first to the fourth maximum unbalance values are relied on to determine how imaging performance of the optical lens is influenced when one of the lenses is off-center for a certain degree, and each of the first to fourth maximum unbalance values associated with a respective lens is a measured along an optical axis between two focal points of two end points of an image circle diameter formed at an image plane of the optical lens, under the condition that an optical center of the respective lens is shifted a distance away from the optical axis; and
assembling the first lens barrel and the second lens barrel, wherein an absolute value of the first maximum unbalance value is larger than an absolute value of the second maximum unbalance value, the absolute value of the second maximum unbalance value is larger than an absolute value of the third maximum unbalance value, and the absolute value of third maximum unbalance value is larger than an absolute value of the fourth maximum unbalance value.

US Pat. No. 11,112,575

IMAGING DEVICE WITH FOCUSING RING ADJUSTING MECHANISM

Qisda Corporation, Taoyu...


1. An imaging device comprising:a casing comprising a support frame, the supporting frame comprising a sliding groove;
a lens disposed in the casing, the lens comprising a focus ring; and
an adjusting mechanism comprising:an adjusting module movably disposed on the casing, the adjusting module comprising:a first adjusting member movably disposed on the casing, the first adjusting member comprising a slot, a rack portion and an engaging portion, the engaging portion being inserted into the sliding groove to engage with the support frame, and the engaging portion moving with the sliding groove when the first adjusting member moves with respect to the support frame; and
a second adjusting member rotatably disposed on the casing, the second adjusting member comprising a gear portion, the gear portion meshing with the rack portion, and when the second adjusting member rotates with respect to the casing, the gear portion driving the rack portion to move, such that the first adjusting member moves with respect to the casing; and

a rod member disposed on the focus ring, the rod member being located in the slot;
wherein when the adjusting module moves with respect to the casing, a side wall of the slot drives the rod member to move, such that the rod member drives the focus ring to rotate.


US Pat. No. 11,112,574

OPTOELECTRONIC SYSTEM WITH A WEDGE-SHAPED ADAPTER

Hewlett Packard Enterpris...


1. An optoelectronic system comprising:a substrate;
an interposer disposed on the substrate;
an electronic component disposed on the interposer;
an optical component;
a ferrule and an optical fiber coupled to the ferrule;
an optical socket configured to receive the ferrule therein, the optical socket configured to align the ferrule and the optical component when the ferrule is received therein and the optical socket is coupled to the interposer or the substrate;
an adapter positioned between the interposer and the optical socket, the adapter and the optical socket being separately constructed, the adapter having a wedge-shaped configuration such that the ferrule is disposed at a non-zero angle relative to the interposer when the ferrule is received in the optical socket and the optical socket is coupled to the adapter.

US Pat. No. 11,112,573

COOLING MULTIPLE HIGH-DENSITY NETWORK PLUGGABLE OPTICAL MODULES USING A SHARED HEAT EXCHANGER

Ciena Corporation, Hanov...


1. A module for multiple network pluggable optics, the module comprising:a faceplate includinga front face,
a first wall extending from the front face, the first wall including a heat exchanger, and
a second wall extending from the front face, the second wall being offset from the first wall;

a plurality of cage assemblies positioned at least partially within a volume defined by the front face, the first wall and the second wall, each cage assembly is configured to receive a pluggable optical module; and
a plurality of springs with one or more springs positioned between each cage assembly and the second wall, wherein the plurality of springs are configured to push the plurality of cage assemblies towards the first wall such that each pluggable optical module received into one of the plurality of cage assemblies is pressed against the heat exchanger,
wherein the faceplate includes a cutout and a gasket positioned within the cutout for each cage assembly.

US Pat. No. 11,112,572

NETWORK CABINET MODULE

Cisco Technology, Inc., ...


1. A pluggable module for insertion into a socket of a network cabinet, the pluggable module, comprising:a body having first and second portions arranged along an axis,
wherein the pluggable module is arranged for insertion of the first portion into the socket in a direction of insertion along the axis, whereupon the second portion protrudes from the socket along the axis and away from the direction of insertion,
wherein the second portion comprises a first heat sink on a first surface of the second portion, wherein the first heat sink comprises a plurality of parallel fins aligned with the axis, wherein the plurality of parallel fins are chamfered at a boundary between the first and second portions, and wherein the plurality of parallel fins terminate at a face plate of the network cabinet when the first portion is inserted into the socket.

US Pat. No. 11,112,571

OPTICAL SUBASSEMBLY

Lumentum Japan, Inc., Ka...


1. An optical subassembly comprising:a plurality of optical semiconductor devices arrayed such that a plurality of light beams respectively traveling in parallel in a first direction are emitted therefrom or incident thereon; and
a carrier on which the plurality of optical semiconductor devices are mounted, wherein adjacent ones of the plurality of optical semiconductor devices are located at positions shifted in a second direction orthogonal to the first direction and also shifted in the first direction so as not to face each other in the second direction,wherein each of the plurality of optical semiconductor devices comprises a respective upper electrode, and
wherein a portion of each respective upper electrode is a wide pad electrode.


US Pat. No. 11,112,570

FABRICATION METHOD OF HIGH ASPECT RATIO SOLDER BUMPING WITH STUD BUMP AND INJECTION MOLDED SOLDER, AND FLIP CHIP JOINING WITH THE SOLDER BUMP

International Business Ma...


1. A method for fabricating bumps on a substrate, the method comprising:forming a bump base on each pad of a set of pads on a substrate, each bump base having a body and a tip extending outwardly from the corresponding pad;
patterning a resist layer on the substrate to have a set of holes through the resist layer, each hole being aligned with the corresponding pad and having space configured to surround the tip of the bump base formed on the corresponding pad; and
filling the set of the holes with conductive material to form a set of bumps on the substrate.

US Pat. No. 11,112,569

FIBER PHOTON ENGINE COMPRISING CYLINDRICALLY ARRANGED PLANAR RING OF DIODES COUPLED INTO A CAPILLARY/SHELL FIBER

NANJING CASELA TECHNOLOGE...


1. A photon source comprising:a substrate defining a planar surface;
a focus lens disposed above the planar surface, the focus lens defining an acceptance angle; and
a plurality of optical sources, wherein each optical source comprises:a mirror disposed on the substrate having a reflecting surface defining a first predetermined angle relative to the planar surface of the substrate, wherein the reflecting surface is configured to reflect a collimated optical beam incident on the reflecting surface away from the planar surface of the substrate at a second predetermined angle relative to the planar surface of the substrate; and
an optical emitter disposed on the substrate wherein the optical emitter is optically aligned with the mirror along an optical axis and configured to emit the collimated optical beam along the optical axis,
wherein the mirror is configured to reflect the collimated optical beam within the acceptance angle of the focus lens;

wherein a plurality of mirrors comprises, collectively, each mirror of the plurality of optical sources, and the plurality of mirrors is arranged in a first ring-like configuration defining a first diameter, wherein the focus lens is disposed above the first ring-like configuration of the plurality of mirrors,
wherein a plurality of optical emitters comprises, collectively, each optical emitter of the plurality of optical sources, and the plurality of optical emitters is arranged in a second ring-like configuration defining a second diameter, and
wherein the first diameter is smaller than the second diameter and the second ring-like configuration is concentric with the first ring-like configuration.

US Pat. No. 11,112,568

CONNECTORIZED FIBER OPTIC CABLING ASSEMBLY

CommScope, Inc. of North ...


1. A connectorized fiber optic cabling assembly, comprising:a fiber optic cable that includes:a plurality of optical fibers;
a plurality of strength yarns; and
a cable jacket that surrounds the plurality of strength yarns and the plurality of optical fibers, the cable jacket having a round outer cross-sectional shape, the optical fibers including coatings defining overall diameters of the optical fibers in the range of 235 to 265 microns, the cable being configured such that the strength yarns contact the coatings of at least some of the optical fibers within the cable jacket; and

a connector assembly mounted on a first end of the fiber optic cable, the connector assembly including:a connector housing that defines a fiber passage and includes a front housing and a rear housing, the strength yarns being crimped in place relative to the connector housing at a rear end of the rear housing by a crimp sleeve;
a multi-fiber ferrule positioned at a front end of the connector housing, the multi-fiber ferrule defining a plurality of fiber holes configured in side-by-side alignment across a width of the ferrule;
a spring positioned within the connector housing rearward of the multi-fiber ferrule; and
a strain relief boot that extends rearwardly from the connector housing, the strain relief boot including a first section that mounts over a rear end of the rear housing and a second section that extends rearwardly from the first section and defines a cylindrical boot passage into which a jacketed section of the fiber optic cable extends, the second section being segmented and having an exterior tapered shape that reduces in size as the second section extends in a rearward direction;

wherein the plurality of optical fibers extend through the strain relief boot, the fiber passage and the spring into the multi-fiber ferrule;
wherein the optical fibers are aligned in a row in the multi-fiber ferrule of the connector assembly with each of the optical fibers being positioned within a corresponding one of the fiber holes;
wherein within the fiber optic cable the optical fibers have a moveable configuration in which the optical fibers are moveable relative to one another; and
wherein the optical fibers have the moveable configuration within the jacketed section of the fiber optic cable that extends into the second section of the strain relief boot.

US Pat. No. 11,112,567

FLEXIBLE PUSH-PULL BOOT

US Conec, Ltd., Hickory,...


1. A boot for a fiber-optic connector, comprising:a main body having a front end and a back end and a longitudinal axis therealong;
a spine member extending between the front end and the back end substantially parallel to the longitudinal axis; and
a plurality of flexible members connected to the spine member, the spine member and the plurality of flexible members bendable in a direction orthogonal to the longitudinal axis.

US Pat. No. 11,112,566

REMOVAL TOOL FOR REMOVING A PLURAL OF MICRO OPTICAL CONNECTORS FROM AN ADAPTER INTERFACE

Senko Advanced Components...


1. A removal tool for simultaneously releasing a plurality of fiber optic connectors from an adapter receptacle, each fiber optic connector further comprises a push/pull tab, each push/pull tab having a proximal end portion and an opposite distal end portion configured to be spaced apart from the adapter receptacle by a greater distance than the proximal end portion when the fiber optic connectors are mated with the adapter receptacle, each push/pull tab having a recess at the distal end portion thereof, the removal tool comprising:a housing having a proximal end portion and a distal end portion spaced apart along a first axis and a first side portion and a second side portion spaced apart along a second axis, the proximal end portion being spaced apart from the distal end portion in a distal-to-proximal direction along the first axis, the housing comprising one or more release arms, the one or more release arms comprising one or more release arm protrusions and the one or more release arms being deflectable relative to at least one of the proximal end portion and the distal end portion of the housing,
wherein the housing is configured to be loaded onto the distal end portions of the push/pull tabs of the plurality of fiber optic connectors by movement relative to the plurality of fiber optic connectors in the distal-to-proximal direction so that the one or more release arm protrusions are accepted in the recesses of the push/pull tabs of the plurality of fiber optic connectors at the same time for locking the removal tool with the plurality of fiber optic connectors,
wherein the plurality of fiber optic connectors are spaced apart along the second axis when the one or more release arm protrusions are accepted in the recesses of the push/pull tabs of the plurality of fiber optic connectors at the same time;
wherein when the one or more release arm protrusions are accepted in the recesses of the push/pull tabs of the plurality of fiber optic connectors at the same time, the removal tool can be selectively operated to:release the plurality of fiber optic connectors from the adapter receptacle by displacing the removal tool distally; and
disconnect from the plurality of the fiber optic connectors upon deflecting the one or more release arms

wherein each of the one or more release arms has a distal end portion and a proximal end portion spaced apart along the first axis, wherein each release arm is cantilevered from the distal end portion of the housing such that the distal end portion of each release arm adjoins the distal end portion of the housing.

US Pat. No. 11,112,565

FIBER OPTIC CONNECTOR ASSEMBLIES WITH ADJUSTABLE POLARITY

Senko Advanced Components...


1. A connector assembly having an adjustable polarity, comprising:a housing having an axis;
a locking component configured to couple to the housing, the locking component including at least one compression element selectively compressible to move relative to the housing between a first position and a second position; and
a latch component configured to engage the locking component at a first location along the axis when the compression element is in the first position such that the locking component prevents rotation of the latch component about the axis, the latch component being configured to rotate around the locking component when the compression element is in the second position from a first polarity position to a second polarity position substantially without moving the latch component along the axis of the housing away from the first location to change the polarity of the connector assembly from a first polarity when the latch component is located at the first polarity position to a second polarity when the latch component is located at the second polarity position.

US Pat. No. 11,112,564

APPARATUS, SYSTEMS, AND METHODS FOR NONBLOCKING OPTICAL SWITCHING

Massachusetts Institute o...


1. An optical network, comprising:a nonblocking optical switch comprising:a substrate;
a plurality of input ports fabricated in the substrate to receive a plurality of input optical beams;
a plurality of interconnected Mach-Zehnder interferometers (MZIs), in optical communication with the plurality of input ports, to perform an arbitrary uniform transformation of the plurality of input optical beams so as to generate a plurality of output optical beams; and
a plurality of output ports, in optical communication with the plurality of interconnected MZIs, to output the plurality of output optical beams;

a plurality of computer servers, each computer server in the plurality of computer servers comprising:an input interface optically coupled to a corresponding output port in the plurality of output ports; and
an output interface optically coupled to a corresponding input port in the plurality of input ports; and

a controller, operably coupled to the plurality of computers and the nonblocking optical switch, to control communication between a first computer server in the plurality of computer servers and a second computer server in the plurality of computer servers via the nonblocking optical switch, further comprising:
a first phase shifter disposed in an arm of a first MZI of the plurality of MZIs; and
a second phase shifter in optical communication with an output of the first MZI,
wherein the controller is configured to control a setting of the first phase shifter and a setting of the second phase shifter so as to cause the nonblocking optical switch to direct data from the first computer server in the plurality of computer servers to the second computer server in the plurality of computer servers.

US Pat. No. 11,112,563

OPTICAL MULTIPLEXING CIRCUIT

NIPPON TELEGRAPH AND TELE...


1. An optical multiplexing circuit comprising:a first optical waveguide, wherein a first light beam with a first wavelength in a 0-th order mode is input into the first optical waveguide;
one or more second waveguides, wherein one or more second light beams in the 0-th order mode are input into the one or more second waveguides, wherein wavelengths of the one or more second light beams are different from the first wavelength and different from each other;
a multi-mode conversion waveguide provided between the first optical waveguide and each the one or more second waveguides;
a first coupling part provided between each of the one or more second waveguides and the multi-mode conversion waveguide, with a first inter-waveguide gap for converting a waveguide mode of each the one or more second light beams propagating through each of the one or more second waveguides into a higher order mode to couple each of the one or more second light beams converted into the higher order mode to the multi-mode conversion waveguide;
a second coupling part provided between the multi-mode conversion waveguide and the first optical waveguide, with a second inter-waveguide gap for converting a waveguide mode of each of the one or more second light beams propagating through the multi-mode conversion waveguide into the 0-th order mode to couple each of the one or more second light beams converted into the 0-th order mode to the first optical waveguide, wherein the first light beam propagates through the first optical waveguide,
wherein waveguide widths of the first optical waveguide, the one or more second waveguides, and the multi-mode conversion waveguide are set such that:an effective refractive index of each of the one or more second waveguides with each of the one or more second light beams converted into the 0-th order mode is equal to an effective refractive index of the multi-mode conversion waveguide with each of the one or more second light beams converted into the higher order mode; and
an effective refractive index of the multi-mode conversion waveguide with the first light beam in the higher order mode is not equal to an effective refractive index of each of the one or more second waveguides with the first light beam in the 0-th order mode; and

wherein the multi-mode conversion waveguide has a transfer area shared by the first coupling part and the second coupling part.

US Pat. No. 11,112,562

IMAGE DISPLAY DEVICE, OCULAR OPTICAL SYSTEM, AND METHOD OF MANUFACTURING OCULAR OPTICAL SYSTEM

CANON KABUSHIKI KAISHA, ...


1. An image display device comprising:an ocular optical system including a polarization element and configured to guide light from an image display element toward an eyeball of an observer,
wherein the ocular optical system includes at least one optical element that has a forming gate mark in a part of an outer periphery, and
wherein the forming gate mark is disposed in a direction of an apex of an image display region of the image display element with respect to a point on an optical axis of the ocular optical system in a cross section perpendicular to the optical axis of the ocular optical system.

US Pat. No. 11,112,561

VARIABLE WAVELENGTH FILTER

NIPPON TELEGRAPH AND TELE...


1. A variable wavelength filter comprising: on a substrate,an input light waveguide;
an arrayed-waveguide grating including a first slab waveguide, two or more array waveguides, and a second slab waveguide; and
at least one output light waveguide,
wherein at least one of the first slab waveguide and the second slab waveguide includes a groove and a resin inserted into the groove,
wherein the groove is formed:
such that, on condition that the groove intersects with a plurality of line segments A joining a place of connection between the input light waveguide and the first slab waveguide to places of connection between the respective array waveguides and the first slab waveguide, a total length LA of an intersection of the groove and each of the line segments A monotonously increases or decreases between the adjacent line segments A with a difference in the total length LA between the adjacent line segments A being constant, or
such that, on condition that the groove intersects with a plurality of line segments B joining a place of connection between the at least one output light waveguide and the second slab waveguide to places of connection between the respective array waveguides and the second slab waveguide, a total length LB of an intersection of the groove and each of the line segments B monotonously increases or decreases between the adjacent line segments B with a difference in the total length LB between the adjacent line segments B being constant, and
wherein the variable wavelength filter includes temperature control means to heat or cool or heat and cool the substrate and temperature detection means to detect a temperature of the substrate.

US Pat. No. 11,112,560

LED SIDE-LUMINESCENCE PANEL LAMP

LEDLUCKY Holdings Company...


18. A side-emitting LED panel lamp, wherein the side-emitting LED panel lamp comprises:a frame, a light-emitting element, a driving power supply, a backboard, a pressing bar, a light guide plate, a diffusion plate, and a buffer layer disposed between the light guide plate and the backboard;
the light-emitting element, the driving power supply, and the backboard are disposed on a lower surface of the frame; the pressing bar is disposed around the backboard and covers the driving power supply; and the driving power supply is electrically connected to the light-emitting element; and
the light guide plate is disposed on a lower surface of the backboard; the light guide plate is flush with the light-emitting element; and the diffusion plate is disposed on a lower surface of the light guide plate.

US Pat. No. 11,112,559

METHOD OF FABRICATING LIGHT GUIDE PLATE, LIGHT GUIDE PLATE FABRICATED THEREBY, AND ILLUMINATION DEVICE HAVING THE SAME

CORNING INCORPORATED, Co...


1. A transparent light guide plate comprising:a light guide plate body comprising a first surface facing a front observer and through which light is irradiated, a second surface opposite to the first surface, and a third surface connected to a peripheral portion of the first surface and a peripheral portion of the second surface to connect the first surface and the second surface, the third surface facing a light-emitting diode; and
a light-scattering layer fabricated on an overall area of the second surface, the light-scattering layer comprising a matrix layer and a number of light-scattering particles dispersed in the matrix layer wherein the light-scattering particles have a different refractive index than the matrix layer,
wherein number of the light-scattering particles per unit area vary by at least 1.2 times from a position located adjacent to the light-emitting diode and a position farthest from the light-emitting diode,
wherein a dispersion density of the number of light scattering particles and a thickness of the light-scattering layer gradually increase with increases in a distance from the light-emitting diode facing at least one surface of the third surface,
wherein the light guide plate has a hazing value of 30% or less and a transmittance of 50% or more,
wherein a surface roughness of the light-scattering layer is 100 nm or less.

US Pat. No. 11,112,558

LIGHT GUIDE MODULE AND DISPLAY MODULE HAVING THE SAME

E Ink Holdings Inc., Hsi...


1. A light guide module applied in a reflective display panel, comprising:a light guide element comprising a first light guide layer and a second light guide layer, wherein the second light guide layer is disposed on the first light guide layer, and a refractive index of the first light guide layer is greater than a refractive index of the second light guide layer;
a light source disposed within the first light guide layer, wherein the first light guide layer is closer to the reflective display panel than the second light guide layer; and
a light blocking layer disposed at a side of the light guide element facing away from the reflective display panel.

US Pat. No. 11,112,557

LIGHT GUIDE STRUCTURE, DIRECT TYPE BACKLIGHT MODULE AND DISPLAY PANEL

BOE Technology Group Co.,...


1. A light guide structure, comprising:a first waveguide layer having a first light incident surface and a first light exiting surface;
a polarization beam-splitting structure disposed on the first light exiting surface, and configured to split light emitted from a light source into first polarized light and second polarized light;
a first polarization coupling grating disposed on the first light incident surface and configured to deflect the first polarized light and allow the first polarized light to be totally reflected in the first waveguide layer;
a second waveguide layer having a second light incident surface and a second light exiting surface and disposed on the polarization beam-splitting structure; and
a second polarization coupling grating disposed between the second light incident surface and the polarization beam-splitting structure and configured to deflect the second polarized light and allow the second polarized light to be totally reflected in the second waveguide layer.

US Pat. No. 11,112,556

EDGE-LIT LIGHTING FIXTURES

Nulite Lighting, Denver,...


1. A edge-lit lighting fixture with a spring loaded light module comprising:a frame having at least one cutout, a light guide panel positioned above said cutout, an end bracket at one end of the frame for suspending the fixture and housing a power feed, another end bracket, at the opposite end of the frame, where one end of the frame can be joined to a second fixture segment via at least one latch and row alignment plates inserted within the ends of adjoining frames. a first side cover equipped with a bracket with fasteners, at the non-power feed start of the row, at least two fixture segments joined with latches, a last side cover equipped with a bracket with fasteners, at the power feed end of the row, at least one internal supporting preload bar inserted along the length of the cavity of parallel sides of the frame to keep it from bending where the preload bar is a c-channel in a cross section to be inserted into the frame cavity,
a spring-loaded light module with light source holder rail bearing surface holes for fasteners;
one or more LED boards to fit along the side of the light source holder rail;
one or more insulator strips inserted between the rail surface and the LED board to insulate the rail from electrical energy from the LED board; and,
two or more springs to firmly and securely hold and align the LEDs against the edge of a wave guide at a specific and maintained distance independently as it moves due to thermal expansion or mechanical movement.

US Pat. No. 11,112,555

LIGHT-EMITTING MODULE WITH A PLURALITY OF LIGHT GUIDE PLATES AND A GAP THEREIN

NICHIA CORPORATION, Anan...


1. A light-emitting module, comprising:a plurality of light guide plates, each of the plurality of light guide plates including a first surface, a side surface, and a second surface opposite to the first surface, the plurality of light guide plates being separated by a gap between the side surfaces; and
n light-emitting devices provided at a second surface side of the light guide plate for each of the plurality of light guide plates, n being a natural number of 2 or more, wherein
the n light-emitting devices are disposed respectively in n regions into which the light guide plate is subdivided when viewed from a first surface side,
a light-emitting device of the plurality of light guide plates disposed in a region of the n regions adjacent to the gap is shifted toward the gap from a center of the region adjacent to the gap,
the plurality of light guide plates include a light guide plate having a first side surface adjacent to an other light guide plate and a second side surface not adjacent to an other light guide plate,
a first light-reflecting member is provided at the first side surface,
a second light-reflecting member is provided at the second side surface, and
a height of an upper end of the first light-reflecting member is less than a height of an upper end of the second light-reflecting member.

US Pat. No. 11,112,554

BACK LIGHT UNIT, FABRICATING METHOD THEREOF AND DISPLAY DEVICE

BEIJING BOE OPTOELECTRONI...


1. A back light unit comprising a composite layer, wherein the composite layer comprises:a light guide layer and a first substrate opposite to each other, wherein the light guide layer comprises a light exit surface facing the first substrate;
a plurality of first microprisms on the light exit surface of the light guide layer, wherein each first microprism of the plurality of first microprisms extends in a first direction parallel to the light exit surface of the light guide layer, wherein the plurality of first microprisms are sequentially arranged in a second direction parallel to the light exit surface of the light guide layer, and wherein the second direction and the first direction cross each other; and
a plurality of second microprisms on a surface of the first substrate facing the light guide layer, wherein each second microprism of the plurality of second microprisms extends parallel to the second direction, and wherein the plurality of second microprisms are sequentially arranged in the first direction,
wherein the first microprisms are connected to the second microprisms, and
wherein the composite layer further comprises:
one or more grooves at positions where the plurality of first microprisms and the plurality of second microprisms are in contact with each other,
wherein each groove is in one first microprism of the plurality of first microprisms and configured to receive a portion of a corresponding second microprism of the plurality of second microprisms, or each groove is in one second microprism of the plurality of second microprisms and configured to receive a portion of a corresponding first microprism.

US Pat. No. 11,112,553

LIGHT SOURCE MODULE AND DISPLAY DEVICE USING THE SAME

Coretronic Corporation, ...


1. A light source module, comprising:an optical plate, having a light incident surface and a light exit surface;
a light source, disposed beside the light incident surface; and
a dimming liquid crystal panel, disposed opposite to the light exit surface and comprising a first driving substrate, a second driving substrate and a liquid crystal material layer disposed between the first driving substrate and the second driving substrate, wherein,the first driving substrate comprises a first substrate and a common electrode disposed on the first substrate;
the second driving substrate comprises a second substrate, a plurality of independent electrodes, a plurality of first signal pads, a plurality of first wires, a plurality of dummy wires and a first transparent insulation layer, wherein the first wires and the dummy wires are disposed on the second substrate and covered by the first transparent insulation layer, the first wires are further exposed from the first transparent insulation layer, the independent electrodes are insulated from each other and disposed on the first transparent insulation layer, the independent electrodes overlap the first wires and the dummy wires, the first signal pads are disposed on at least one side of the second substrate, and each of the independent electrodes is electrically connected to one of the first signal pads via one of the first wires,
wherein the first driving substrate further comprises a plurality of second signal pads, a plurality of second wires, a plurality of third dummy wires, a plurality of fourth dummy wires and a second transparent insulation layer, wherein the second wires, the third dummy wires and the fourth dummy wires are disposed on the first substrate and covered by the second transparent insulation layer, the second wires are further exposed from the second transparent insulation layer,
wherein the common electrode comprises a plurality of independent sub-electrodes, the independent sub-electrodes are insulated from each other and disposed on the second transparent insulation layer, the independent sub-electrodes overlap the second wires, the third dummy wires and the fourth the dummy wires, the second signal pads are disposed on at least one side of the first substrate, and each of the independent sub-electrodes is electrically connected to one of the second signal pads via one of the second wires,
wherein the independent sub-electrodes are arranged in a matrix, and a plurality of third intervals extended in a second direction and a plurality of fourth intervals extended in a first direction crossing with the second direction are formed between the independent sub-electrodes, wherein portions of the second wires overlapped with the independent sub-electrodes are extended in the second direction,
wherein the third dummy wires are extended in the second direction and equidistantly arranged, portions of the third dummy wires are aligned but disconnected with the second wires, portions of the third dummy wires are disposed between the second wires and overlapped with the independent sub-electrodes, another portion of the third dummy wires are overlapped with the third intervals.


US Pat. No. 11,112,552

LIGHT-GUIDE SHEET AND PHOTOELECTRIC CONVERSION DEVICE

PANASONIC INTELLECTUAL PR...


1. A light-guide sheet that takes in incident light and waveguides light in a direction intersecting with an incident direction of the incident light inside the light-guide sheet, the light-guide sheet comprising:a lower refractive index layer;
a light-transmissive layer that is continuously stacked with the lower refractive index layer and has a refractive index that is higher than a refractive index of the lower refractive index layer; and
a diffraction grating that is disposed on the light-transmissive layer and changes a travelling direction of the incident light,
wherein a pattern of the diffraction grating is divided into a plurality of partial patterns on the light-transmissive layer,
the plurality of partial patterns are in contact with each other, and
each of the plurality of partial patterns has a plurality of concentric circular shapes or a plurality of concentric polygonal shapes.

US Pat. No. 11,112,550

POLARIZING PLATE, OPTICAL APPARATUS AND METHOD OF MANUFACTURING POLARIZING PLATE

Dexerials Corporation, T...


1. A polarizing plate having a wire grid structure comprising:a transparent substrate; and
a plurality of protrusions configured to extend in a first direction on the transparent substrate, and periodically arranged at a pitch shorter than a wavelength of light in a use band,
wherein each of the protrusions includes a reflective layer, a multilayer film, and an optical property improving layer located between the reflective layer and the multilayer film,
the multilayer film is formed of a dielectric layer, an absorption layer and a second dielectric layer from the vicinity of the transparent substrate in that order,
the optical property improving layer is formed of an oxide that contains a constituent element of which the reflective layer is composed, in which the oxide is different from the material of the dielectric layer, and
the optical property improving layer is formed of a material whose etching rate with respect to a chlorine-based gas method is no less than 6.7 times and no more than 15 times an etching rate of the material of the multilayer film with respect to the same chlorine-based gas method, and
wherein the dielectric layer is in contact with the optical property improving layer.

US Pat. No. 11,112,549

POLARIZER, DISPLAY PANEL INCLUDING THE SAME AND METHOD OF MANUFACTURING THE SAME

SAMSUNG DISPLAY CO., LTD....


1. A method of manufacturing a polarizer, the method comprising:forming a polymer layer and a metal layer, wherein the metal layer is formed on the polymer layer; and
forming a plurality of linear metal patterns from the metal layer and a plurality of protrusions from the polymer layer, by pressing a bottom surface of a mold against the metal layer and the polymer layer, the bottom surface having a plurality of pressing patterns spaced apart from one another to form a groove between each pair of the pressing patterns,
wherein at least a portion of each protrusion is inserted into a respective one of the linear metal patterns as a result of the pressing,
wherein forming the polymer layer comprises:
forming a first polymer layer on a substrate having a softening point equal to or less than about 50° C.; and
forming a second polymer layer having a softening point equal to or more than about 100° C., on the first polymer layer, the second polymer layer contacting the metal layer,
wherein the first polymer layer has a rubber phase at room temperature and the second polymer layer has a solid phase at room temperature.

US Pat. No. 11,112,548

OPTICAL FILM AND DISPLAY DEVICE INCLUDING THE SAME

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


11. A display device, comprising:an optical film; and
a display panel to which the optical film is attached,
wherein the optical film includes:a first mesh pattern layer in which a plurality of first mesh patterns, each including a first inner hole, are arranged, and
a second mesh pattern layer that faces the first mesh pattern layer, and in which a plurality of second mesh patterns, each including a second inner hole, are arranged,

wherein a center of the first mesh pattern and a center of the second mesh pattern are arranged to be misaligned, and
wherein the first and second mesh patterns are each formed of a linear polarization liquid crystal material or phase retardation liquid crystal material.

US Pat. No. 11,112,546

METHOD FOR PREPARING COATING LAYER HAVING HIGHLY ALIGNED NANOMATERIAL IN LYOTROPIC LIQUID CRYSTAL MATRIX

KOREA ADVANCED INSTITUTE ...


1. A method for preparing a coating layer, comprising:(a) injecting a composite of nanomaterial and lyotropic liquid crystal into a space between an upper plate and a lower plate in a laminate; and
(b) applying a shearing force to the composite of nanomaterial and lyotropic liquid crystal,
wherein
the shearing force is applied by repeatedly changing the pulling speed to 1 to 3 ?m/s and 9 to 15 ?m/s so that the nanomaterial is alternately aligned perpendicular and parallel to the pulling direction.

US Pat. No. 11,112,545

DIGITAL IMAGE OVERLAY IN IMAGE INTENSIFIED AND DAY SIGHT SYSTEM

Qioptiq Limited, St. Asa...


1. An optical system for overlaying a first image of a scene and a second image of the scene, comprising;a first imaging device comprising a first objective lens providing the first image;
a second imaging device comprising a second objective lens an image display, and collimation optics providing the second image; and
a waveguide comprising:
a first diffraction grating configured to receive the first image;
a second diffraction grating configured to receive the second image; and
a guide portion disposed between the first diffraction grating and the second diffraction grating configured to convey the second image to the first grating,
wherein the first diffraction grating is configured to overlay the first image and the second image.

US Pat. No. 11,112,544

TRUNCATED BEADFILM CONSTRUCTIONS AND METHODS OF MAKING THE SAME

3M Innovative Properties ...


1. A construction comprising:a microsphere layer comprising a plurality of microspheres, wherein the plurality of microspheres consists essentially of glass, ceramic, or glass-ceramic; and
a bead bonding layer, wherein the plurality of microspheres is partially embedded in the bead bonding layer forming a first outermost surface of the construction, the first outermost surface comprising exposed microspheres embedded in the bead bonding layer, wherein at least a portion of the exposed microspheres on the first outermost surface are truncated at the first outermost surface.

US Pat. No. 11,112,543

OPTICAL ELEMENT HAVING A COATING FOR INFLUENCING HEATING RADIATION AND OPTICAL ARRANGEMENT

Carl Zeiss SMT GmbH, Obe...


1. An optical element, comprising:a substrate having first and second sides;
a first coating supported by the first side of the substrate; and
a second coating supported by the second side of the substrate,
wherein:the substrate comprises a glass;
the first coating reflects EUV radiation;
the second coating transmits radiation at a first wavelength;
the second coating comprises a member selected from the group consisting of an absorbing layer that absorbs radiation having a second wavelength and a transmitting layer that transmits radiation having the second wavelength;
the first wavelength is in a range selected from the group consisting of the visible range and the infrared range;
the second wavelength is in a range selected from the group consisting of the visible range and the infrared range;
the second wavelength is different from the first wavelength; and
the optical element is an EUV mirror.


US Pat. No. 11,112,542

MINIATURE OPTICAL LENS ASSEMBLY HAVING OPTICAL ELEMENT, IMAGING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...


1. A miniature optical lens assembly, which has at least one of optical element, comprising:the optical element, comprising:a low reflection layer disposed on at least one surface of the optical element, wherein the low reflection layer comprises:a plurality of nanocrystalline grains located on one surface of the low reflection layer;


wherein the optical element is at least one of a light blocking element, an annular spacer element and a barrel element;
wherein an average diameter of the nanocrystalline grains is DC, a reflectance in a wavelength range of 380 nm-780 nm of the low reflection layer is R3878, and the following conditions are satisfied:5 nm?DC?200 nm; and
R3878?0.50%.


US Pat. No. 11,112,541

TUNABLE ACOUSTIC GRADIENT LENS SYSTEM WITH REFLECTIVE CONFIGURATION AND INCREASED POWER

Mitutoyo Corporation, Ka...


17. A tunable acoustic gradient (TAG) lens comprising:a controllable acoustic wave generating element;
a refractive fluid; and
a lens casing surrounding a casing cavity, wherein:an operational volume of the refractive fluid is contained in the casing cavity and the controllable acoustic wave generating element is arranged inside the lens casing around an optical path that passes through the operational volume, and an axial direction of the TAG lens is defined as parallel to an optical axis of the optical path; and
the operational volume of the refractive fluid is capable of changing its refractive index along the optical path in response to application of an acoustic wave by the acoustic wave generating element, in accordance with which the TAG lens is controlled to provide a periodically modulated optical power variation for the TAG lens when a periodic drive signal is applied to the acoustic wave generating element; and
the lens casing comprises:a case wall portion that extends generally along the axial direction;
a first case end portion that extends generally transverse to the axial direction and comprises a centrally located window configuration comprising a window mounted along the optical path in a window mounting portion and a case end rim portion that is at least partially aligned with and sealed to the case wall portion; and
a second case end portion that extends generally transverse to the axial direction and comprises a centrally located mirror configuration comprising a mirror mounted along the optical path in a mirror mounting portion and a case end rim portion that is at least partially aligned with and sealed to the case wall portion,


wherein the TAG lens is configured to enable light to pass through the window of the TAG lens to enter the TAG lens and make a first pass through the operational volume of the refractive fluid and be reflected by the mirror of the TAG lens and make a second pass back through the operational volume of the refractive fluid and pass back out through the window of the TAG lens to exit the TAG lens and continue along the optical path.

US Pat. No. 11,112,540

ANTIFOGGING MEMBER

ENEOS CORPORATION, Tokyo...


1. An antifogging member having a concave and convex surface defined from a convex portion and a concave portion, whereina Fourier-transformed image obtained by performing a two-dimensional fast Fourier-transform processing on an observation image of the concave and convex surface shows a circular or annular pattern substantially centered at an origin at which an absolute value of wavenumber is 0 ?m?1,

the convex portion and the concave portion extend in random directions as viewed in plan view,an average pitch of concavities and convexities in the concave and convex surface is in a range of 50 to 250 nm,
a contact angle of water on a flat and smooth surface formed from a material forming the concave and convex surface is not more than 90°,
the concave and convex surface is defined from a plurality of convex portions and a concave portion surrounding the plurality of convex portions, and
a total of perimeters of convex portions included in the plurality of convex portions and having a perimeter of not more than seven times the average pitch of the concavities and convexities is not more than 10% of a total of perimeters of the plurality of convex portions.

US Pat. No. 11,112,539

DIAMOND COATED ANTIREFLECTIVE WINDOW SYSTEM AND METHOD

AKHAN Semiconductor, Inc....


1. A method of fabricating a diamond based multilayer antireflective coating, the method including the steps of:cleaning and seeding an optical substrate;
forming a first diamond layer on the optical substrate;
forming a germanium layer on the first diamond layer;
forming a fused silica layer on the germanium layer;
cleaning and seeding the germanium layer; and
forming a second diamond layer on the germanium layer.

US Pat. No. 11,112,538

HEAT TREATABLE COATED ARTICLE HAVING COATINGS ON OPPOSITE SIDES OF GLASS SUBSTRATE

GUARDIAN GLASS, LLC, Aub...


1. A coated article including a first coating and a second coating supported by a glass substrate, the coated article comprising:the first coating provided on a first side of the glass substrate;
the second coating provided on a second side of the glass substrate, so that the glass substrate is located between at least the first and second coatings;
wherein, from the perspective of a viewer of the coated article, the first coating on the glass substrate has a positive a* reflective color, and the second coating on the glass substrate has a negative a* reflective color.

US Pat. No. 11,112,537

STRUCTURALLY-COLORED ARTICLES AND METHODS FOR MAKING AND USING STRUCTURALLY-COLORED ARTICLES

NIKE, Inc., Beaverton, O...


1. A method of making a textile comprising:providing a textile having a first surface, the first surface comprising a first thermoplastic material;
softening or melting the first thermoplastic material by increasing a temperature of at least a portion of the first surface of the textile to a first temperature at or above one of a creep relaxation temperature, a heat deflection temperature, a Vicat softening temperature, or a melting temperature of the first thermoplastic material;
altering a texture of the at least a portion of the first surface while the temperature of the first surface is at or above the first temperature by contacting a textured molding surface of a release paper transfer medium with the first surface of the textile and using the textured molding surface to alter the texture of the first surface; and
disposing an optical element onto the first thermoplastic material of the at least a portion of the first surface having the altered texture, wherein the optical element, as disposed on the first surface, imparts a visible structural color and a hue in the visible spectrum to the textile, wherein the structural color is an angle-independent structural color in that the hue, the hue and value, or the hue, value and chroma observed is independent of the angle of observation, wherein the optical element includes a plurality of layers, wherein adjacent layers have different indices of refraction, wherein at least one of the layers has a thickness that is about one-fourth of the wavelength of visible light to be reflected by the optical element to produce the visible structural color.

US Pat. No. 11,112,536

THERMAL EMISSION SOURCE

Osaka Gas Co., Ltd., Osa...


1. A thermal emission source comprising:an optical assembly having an optical structure in which a member made of a semiconductor has a refractive index distribution so as to resonate with light of a wavelength shorter than a wavelength that corresponds to an absorption edge corresponding to a band gap of the semiconductor,
wherein the optical assembly comprises a coating structure for coating the member made of the semiconductor with a coating material through which light of a wavelength included in a wavelength range from visible light to far infrared rays can be transmitted,
an infrared absorptivity of the coating structure is 0.1% or lower, and
the coating material is selected from the group consisting of HfO2, MgO, Al2O3, Y2O3, and CaF2.

US Pat. No. 11,112,535

REAL-TIME COMPUTATION OF AN ATMOSPHERIC PRECIPITATION RATE FROM A DIGITAL IMAGE OF AN ENVIRONMENT WHERE AN ATMOSPHERIC PRECIPITATION IS TAKING PLACE

WATERVIEW SRL, Turin (IT...


1. An atmospheric precipitation rate computation system (1) comprising:an electronic digital image/video capture apparatus (10) to capture digital images/videos of an environment where an atmospheric precipitation is taking place; and
an electronic digital image processing apparatus (20) in communication with the electronic digital image/video capture apparatus (10) to receive therefrom and process the captured digital images/videos to compute atmospheric precipitation rates of atmospheric precipitations which are taking place in the environments depicted in the received digital images/videos;
wherein the electronic digital image processing apparatus (20) is configured to compute an atmospheric precipitation rate of an atmospheric precipitation which is taking place in an environment depicted in one captured digital image of the digital images captured by the electronic digital image/video capture apparatus (10) by:
identifying atmospheric precipitation pixels in the captured digital image which represent precipitation elements;
computing an atmospheric precipitation brightness in the captured digital image based on changes in brightness produced by the atmospheric precipitation at the identified atmospheric precipitation pixels with respect to a corresponding background brightness; and
computing the atmospheric precipitation rate with the captured digital image based on the computed atmospheric precipitation brightness and on a stored mathematical model that expresses atmospheric precipitation brightness in one digital image as a function of an atmospheric precipitation rate of an atmospheric precipitation that is taking place in an environment depicted in the one digital image.

US Pat. No. 11,112,534

METHOD AND SYSTEM FOR PREDICTING THE FINANCIAL IMPACT OF ENVIRONMENTAL OR GEOLOGIC CONDITIONS

AccuWeather, Inc., State...


1. A method of graphically displaying predicted financial impacts of environmental conditions over geographic regions, the method comprising:receiving, using control circuitry, information indicative of past environmental events in a plurality of locations, each of the past environmental events including one or more past environmental conditions;
receiving, using the control circuitry, information indicative of the observable financial impact of at least some of the past environmental events;
for each of the plurality of locations and each of the one or more environmental conditions:determining, using the control circuitry, a recurrence interval of each of the past environmental conditions in the plurality of locations;
determining, using the control circuitry, correlations between the past environmental conditions and the observable financial impact of the past environmental events;
calculating, using the control circuitry, a predicted observable financial impact of each of the past environmental conditions;
calculating, using the control circuitry, a predicted financial impact of each of the past environmental conditions recurring by multiplying the predicted observable financial impact the past environmental event by the recurrence interval of the past environmental condition;
grouping, using the control circuitry, the past environmental events into a plurality of groups based on the predicted financial impact of the past environmental condition recurring; and
determining, using the control circuitry, a threshold for each of the plurality of groups;

receiving, using the control circuitry, current or forecasted environmental conditions;
determining, using the control circuitry, the predicted financial impact of the current or forecasted environmental conditions by comparing the current or forecasted environmental conditions with the thresholds determined for each of the groups in the plurality of locations of the current or forecasted environmental conditions; and
generating for display, in a graphical user interface, a map of the plurality of locations that graphically describes the predicted financial impact of the current or forecasted environmental conditions.

US Pat. No. 11,112,533

SYSTEM FOR SENSOR ENABLED REPORTING AND NOTIFICATION IN A DISTRIBUTED NETWORK

HARTFORD FIRE INSURANCE C...


1. A method for providing a warning system to protect insured property, the method comprising:accessing a plurality of devices to acquire weather data, the plurality of devices being spread throughout a geographic area;
accessing third party weather data;
compiling the third-party weather data and the device acquired data to determine at least one region of interest associated with the weather;
correlating the region of threat with insured property to determine property that is endangered by the weather;
configuring a warning message to ones of the plurality of devices associated with the endangered property; and
transmitting the configured warning message to the ones of the plurality of devices.

US Pat. No. 11,112,532

WEATHER COLLECTION AND AGGREGATION VIA ROBOTIC VEHICLE

HUSQVARNA AB, Huskvarna ...


1. A method comprising:receiving weather data responsive to a communication received from a sensor network of a robotic mower or watering vehicle while the robotic mower or watering vehicle transits a parcel of land;
receiving position data specifying a current position of the robotic mower or watering vehicle at a time corresponding to the communication from the sensor network;
determining, based on the weather data received while the robotic mower or the watering vehicle is at the current position, whether a minimum threshold for reporting the weather data and the position data to the aggregation agent has been met, the minimum threshold corresponding to one or more weather-related parametric requirements comprising at least an occurrence of a threshold change in a sensed dew point as indicated by the weather data received at the current position; and
uploading the weather data and the position data to the aggregation agent in response to the minimum threshold being met.

US Pat. No. 11,112,531

METHOD OF CREATING LONGITUDINAL SECTION OF THREE-DIMENSIONAL POINT GROUP DATA, AND SURVEY DATA PROCESSING DEVICE AND SURVEY SYSTEM FOR THE SAME

TOPCON CORPORATION, Toky...


1. A method of creating a longitudinal section from three dimensional point group data obtained from a survey by use of a survey data processing device that includes a CPU, a memory, an input unit, and a display, comprising:(a): acquiring three-dimensional point group data (X, Y, Z) from surveying equipment that includes at least any one of a point group measuring device, a ground traveling body, and a flying body, and storing the three-dimensional point group data in the memory;
(b): projecting the three-dimensional point group data onto an X-Y plane and displaying the X-Y plane on the display;
(c): inputting into the input unit a longitudinal section creation line formed by sequentially designating a plurality of interval designation points limited to the X-Y plane shown on the display, wherein an end point of a previous interval is set as a start point of a next interval;
(d): using the CPU to project Z points of the three-dimensional point group onto a vertical virtual plane between a start point and an end point of a selected interval among the plurality of intervals defined by the interval designation points that correspond to (X, Y) coordinates of the longitudinal section creation line;
(e): performing step (d) for all of the intervals to obtain a plurality of vertical virtual planes corresponding to the plurality of intervals; and
(f): using the CPU to combine the resulting plurality of virtual planes on a same plane by matching end points of previous intervals with start points of next intervals and displaying the one plane on the display.

US Pat. No. 11,112,530

GLOBAL INVERSION OF GRAVITY DATA USING THE PRINCIPLE OF GENERAL LOCAL ISOSTASY FOR LITHOSPHERIC MODELING

ExxonMobil Upstream Resea...


1. A method, comprising:defining a model space within which all subsurface models are in general local isostatic equilibrium such that within each subsurface model one or more of a crustal density, a mantle density, and a depth to a top and base of the crust vary laterally while local isostatic equilibrium is maintained;
generating a representative set of trial models which span the model space where each trial model has a unique set of parameter values and provides a scenario of Earth's crustal geometry and crust and mantle rock properties, and wherein generating each of the trial models comprises creating a lithospheric column that is in general local isostatic equilibrium, where the lithospheric column comprises a crustal layer having a crustal thickness (C) determined using the following equation:C=Cref?T?S?[Cref(?cref??c)+T?c?S(?s??c)]/(?mref??c)
wherein
Cref is the thickness of the crust at a reference location;
T is the vertical distance between Earth's rock surface and sea level;
S is the vertical thickness of sedimentary section of the Earth;
?s is the density of sediment;
?c is the density of crust;
?cref is the density of the crust at the reference location; and
?mref is the density of the mantle at the reference location; and

determining, within an inversion process, a solution for the model space based on minimizing a misfit between observed gravity anomaly data and synthetic gravity anomaly data generated from the set of trial models.

US Pat. No. 11,112,529

DETECTING SYSTEM AND DETECTING METHOD

SYNCMOLD ENTERPRISE CORP....


1. A detecting system for protection of an equipment, the equipment being disposed on a working surface and defining a working space corresponding to the working surface, the detecting system comprising:a first diverting element approximately surrounding the equipment and being disposed away from the working surface with respect to the equipment, the first diverting element including at least one diverting surface, the diverting surface being not parallel to the working surface;
a detecting apparatus including an electronic control device and a first detector, the first detector having a transmitter, a receiver, and a controller; and
a three-dimensional first safety wave curtain correspondingly covering the working space;
wherein the controller controls the transmitter and the receiver to synchronously rotate about an axis, N detection waves are sequentially transmitted along with N times of time detections correspondingly during every rotation, and the detection waves cooperate with the diverting surface of the first diverting element and the working surface to form the first safety wave curtain, and the first safety wave curtain comprises a cover area approximately perpendicular to the axis and a surrounding area corresponding to the axis, wherein the cover area is formed between the transmitter and the first diverting element, and the surrounding area is formed between the first diverting element and the working surface.

US Pat. No. 11,112,528

MULTI-ENERGY-SPECTRUM X-RAY IMAGING SYSTEM AND METHOD OF SUBSTANCE IDENTIFICATION OF ITEM TO BE INSPECTED BY USING THE SAME

NUCTECH COMPANY LIMITED, ...


1. A method of substance identification of an item to be inspected using a multi-energy-spectrum X-ray imaging system, the method comprising:acquiring a transparency related vector consisting of transparency values of the item to be inspected in N energy regions, wherein N is greater than 2; and
determining the item to be inspected based on the transparency related vector;
wherein the determining the item to be inspected based on the transparency related vector comprises:
calculating distances between the transparency related vector and transparency related vectors stored in the system consisting of N transparency mean values of multiple kinds of items with multiple thicknesses in the N energy regions; and
determining a first atomic number and a first thickness of the item corresponding to the minimum distance and a second atomic number and a second thickness of an item corresponding to the next minimum distance;
determining an atomic number and a thickness of the item to be inspected by using a linear interpolation algorithm based on the first and second atomic numbers and the first and second thicknesses; and
determining a kind of the item to be inspected based on the atomic number and the thickness of the item to be inspected.

US Pat. No. 11,112,527

METHOD AND SYSTEM FOR DETERMINING HETEROGENEOUS CARBONATE RESERVOIR SATURATION EXPONENT

PetroChina Company Limite...


1. A method for determining a saturation exponent of a heterogeneous carbonate rock reservoir, comprising:dividing a target reservoir into at least two reservoir types in accordance with a predetermined rule, which includesselecting a plurality of core samples of the target rock reservoir; and
dividing the plurality of core samples into at least two core types to represent the at least two reservoir types in accordance with the predetermined rule;

obtaining a correspondence relationship between a saturation exponent and a bound water saturation in each of the reservoir types, which includesobtaining the bound water saturation of each of the core samples;
obtaining the saturation exponent of each of the core samples, which includes performing a rock electrical experiment to a number of the rock core samples in each of the reservoir types to acquire the saturation exponent; and
linearly fitting the saturation exponent with the bound water saturation of the core samples that have gone through the rock electrical experiment in each of the reservoir types, so as to acquire the correspondence relationship between the saturation exponent and the bound water saturation in each of the reservoir types;
the correspondence relationship being as followsn=aSwir+b,
in which n is the saturation exponent, and Swir is the bound water saturation;


determining the reservoir type to which a to-be-measured core belongs in accordance with the predetermined rule, wherein the to-be-measured core is the core sample that has not gone through the rock electrical experiment;
obtaining a bound water saturation of the to-be-measured core; and
calculating the saturation exponent of the to-be-measured core according to the bound water saturation of the to-be-measured core on the basis of the correspondence relationship of the reservoir type to which the to-be-measured core belongs.

US Pat. No. 11,112,526

WAVEFORM PROCESSING UTILIZING AN AMPLITUDE ADAPTIVE DATA MASK

Halliburton Energy Servic...


1. A method of processing sonic logging data detected by a sonic tool in a well system to minimize an influence of alias data, comprising:transforming to a first data set the sonic logging data, wherein the sonic logging data includes multiple modes and the transforming targets a time slowness domain for the multiple modes;
generating an adaptive data mask, wherein the adaptive data mask utilizes an amplitude analysis of the multiple modes of the first data set; and
computing a second data set utilizing the adaptive data mask, wherein the second data set represents a semblance analysis.

US Pat. No. 11,112,525

DATA PROCESSING SYSTEM FOR MEASUREMENT OF HYDROCARBON CONTENT OF TIGHT GAS RESERVOIRS

Saudi Arabian Oil Company...


1. A data processing system for determining hydrocarbon gas content of a pressurized subsurface tight gas formation at a depth of interest in the earth adjacent a well, the well having therein well fluids comprising drilling mud and formation drill cuttings containing drilling mud, the hydrocarbon gas content being determined from nuclear magnetic resonance relaxation time spectra obtained in situ from the pressurized subsurface tight gas formation and indicating water and hydrocarbon fluid content in the pressurized subsurface tight gas formation, the relaxation time spectra being obtained by a nuclear magnetic resonance well logging system comprising a sonde lowered by a wireline cable into the well to obtain without measuring porosity the nuclear magnetic resonance relaxation time spectra, the data processing system comprising:(a) a computer memory storing as inputs the nuclear magnetic resonance relaxation time spectra obtained in situ from the pressurized subsurface tight gas formation;
(b) the computer memory further storing as inputs a measure of the water content obtained at the earth surface from a sample of pure drilling mud for the well;
(c) the computer memory further storing as inputs measures of the fluid content in a sample of well fluid brought to the earth surface and containing the pure drilling mud and formation drill cuttings from the well;
(d) a processor forming a measure of the fluid content in the pressurized subsurface tight gas formation based on the obtained nuclear magnetic resonance relaxation time spectra from the nuclear magnetic responses of the pressurized subsurface tight gas formation;
(e) the processor obtaining nuclear magnetic resonance relaxation time spectra from nuclear magnetic resonance measurements of a sample of pure drilling mud for the well obtained at the earth surface, the obtained nuclear magnetic resonance relaxation time spectra indicating water content of the pure drilling mud for the well;
(f) the processor further obtaining nuclear magnetic resonance relaxation time spectra from nuclear magnetic resonance measurements of a sample of well fluid brought to the earth surface and containing the pure drilling mud and formation drill cuttings from the well, the obtained relaxation time spectra indicating water content of the obtained sample of the well fluid;
(g) the processor further forming a measure of water content in the obtained formation drill cuttings based on the obtained nuclear magnetic resonance relaxation time spectra of the obtained sample of the well fluid; and
(h) the processor determining the hydrocarbon gas content of the pressurized subsurface tight gas formation from the formed measure of the water and hydrocarbon fluid content in situ of the pressurized subsurface tight gas formation and the formed measure of the water content at the earth surface in the obtained formation drill cuttings.

US Pat. No. 11,112,524

METHOD FOR ESTIMATING THE MATERIAL PROPERTIES AND THE INDIVIDUAL THICKNESSES OF NESTED PIPES

Halliburton Energy Servic...


1. A method for determining properties of a pipe string using multi-channel induction measurements, comprising:disposing a multi-channel induction tool in a cased hole;
obtaining a multi-channel measurement;
forming a log from the multi-channel measurement;
extracting at least one abnormality from the log, wherein the at least one abnormality is a collar;
performing a search to find a set of pipe material properties that minimize a mismatch between the abnormality and a simulated response; and
inverting the log to estimate the set of pipe material properties at one or more depth points using the set of pipe material properties.

US Pat. No. 11,112,523

CALIBRATION OF ELECTROMAGNETIC MEASUREMENT TOOL

SCHLUMBERGER TECHNOLOGY C...


1. A method for gain calibrating an electromagnetic measurement tool, the method comprising:(a) providing (i) an electromagnetic measurement tool including a transmitter and a receiver and a (ii) a reference tool including a reference transmitter and a reference receiver;
(b) determining calibration standards for the reference tool;
(c) measuring a first calibration factor to match the receiver on the electromagnetic measurement tool to the reference receiver on the reference tool;
(d) measuring a second calibration factor to match the transmitter on the electromagnetic measurement tool to the reference transmitter on the reference tool;
(e) deploying the electromagnetic measurement tool in a subterranean wellbore;
(f) causing the electromagnetic measurement tool to make electromagnetic measurements while deployed in the subterranean wellbore; and
(g) applying the first and second calibration factors measured in (c) and (d) and a calibration standard determined in (b) to at least one of the electromagnetic measurements made in (f) to compute a gain calibrated electromagnetic measurement.

US Pat. No. 11,112,522

PROXIMITY SENSING SYSTEM WITH COMPONENT COMPATIBILITY TESTING

Bendy Nevada, LLC, Minde...


13. A method, comprising:generating, by a proximity probe, an oscillating magnetic field in response to receipt of an oscillating current via a cable, wherein the proximity probe and the cable form a resonant circuit possessing a capacitance C1 an inductance L1, and an impedance Z1 that is a function of C1 and L1;
outputting, by a controller in communication with the resonant circuit via the cable, an initial proximity signal based upon a measured change in the impedance Z1 resulting from perturbation of the generated magnetic field by a ferromagnetic target positioned at a test position with respect to the proximity probe;
placing, by a self-testing subsystem, a predetermined self-testing impedance Z2 in parallel with the resonant circuit;
receiving, by the self-testing subsystem from the controller, a modified proximity signal, different than the initial proximity signal, in response to placement of the self-testing impedance Z2 in parallel with the resonant circuit with the target at the test position;
receiving, by the self-testing subsystem, a reference proximity signal representing the modified proximity signal output by the controller in communication with a predetermined cable and a predetermined proximity probe with the target positioned at the test position; and
measuring a difference between the reference proximity signal and the modified proximity signal; and
outputting, by the self-testing subsystem, an incompatibility signal after measuring the difference greater than or equal to a threshold amount.

US Pat. No. 11,112,521

CAPACITIVE PROXIMITY SENSING

Intel Corporation, Santa...


1. A proximity sensing apparatus comprising:controller circuitry to:
receive an output signal from a proximity sensing capacitor, the output signal generated by the proximity sensing capacitor based on a reference signal, the capacitor including a ground plane and an electrode substantially coplanar with and capacitively coupled to the ground plane, the electrode and ground plane to form an electric field in response to the input signal; and
detect an object within the electric field based on a change in the output signal;
wherein:the output signal has a first frequency associated with the object interacting with the electric field;
the output signal has a second frequency associated with the object not interacting with the electric field; and
the detection of the object is based on detecting a difference between the first frequency and the second frequency.


US Pat. No. 11,112,520

ENHANCEMENT OF DYNAMIC RANGE OF ELECTRODE MEASUREMENTS

Halliburton Energy Servic...


1. A method comprising:controlling current in a set of three current electrodes to inject current into a formation around a pipe in a wellbore, the three current electrodes disposed on the pipe in the wellbore such that two current electrodes of the three current electrodes inject current and the third current electrode is operatively arranged as a current return, the three current electrodes associated with a set of two monitor electrodes, the two monitor electrodes being two current electrodes of the set of three current electrodes or two electrodes different from the set of three current electrodes,
interrogating an optical fiber, the optical fiber extending along the longitudinal axis of the pipe with a portion of the optical fiber associated with the set of three current electrodes in a sensing operation using the set of three current electrodes;
determining progression of waterflood with respect to the wellbore from controlling the current and interrogating the optical fiber over time; and
operating a processor to determine waterflood distance and resistivity that minimizes misfit between bucked measurements and synthetic data, the synthetic data generated using a model that includes simulation of operation of the set of three current electrodes in the formation, the bucked measurements generated using the controlling of the current of the set of three current electrodes and interrogating the optical fiber over time.

US Pat. No. 11,112,519

AUTOMATIC SLOWNESS-FREQUENCY RANGE DETERMINATION FOR ADVANCED BOREHOLE SONIC DATA PROCESSING

HALLIBURTON ENERGY SERVIC...


1. A method comprising:measuring, by a sonic logging tool, sonic data within a borehole;
determining a frequency range for a selected mode of the sonic data, wherein the determining of the frequency range comprises:executing a forward model to obtain a dispersion response from the selected mode, the forward model being executed based on a compressional slowness value obtained from the sonic data; and
selecting a minimum frequency and a maximum frequency based on the dispersion response, the dispersion response being based on flexural waves of a type of formation;

adjusting the maximum frequency of the frequency range to an updated maximum frequency to provide an updated frequency range, the updated maximum frequency being a center frequency of the frequency range;
determining a slowness range for the selected mode of the sonic data;
applying the updated frequency range and the slowness range to the sonic data to select an updated subset of data from the sonic data; and
adjusting the dispersion response based on the updated subset of data from the sonic data relating to the updated frequency range.

US Pat. No. 11,112,518

METHOD AND APPARATUS FOR DEBLENDING SEISMIC DATA USING A NON-BLENDED DATASET

CGG SERVICES SAS, Massy ...


1. A seismic exploration method for imaging gas and oil reservoirs in an underground formation, the method comprising:obtaining a first non-blended dataset acquired over the underground formation;
acquiring a second blended dataset over the underground formation using plural sources whose listening times overlap;
calculating a model dataset emulating the second blended dataset by:dividing the first dataset into spatial blocks, data in each spatial block having a common acquisition characteristic,
interpolating the data in each spatial block of the first non-blended dataset to match source and receiver positions during the acquiring of the second blended dataset, and
merging the interpolated data blocks to obtain the model dataset;

deblending the second blended dataset using the model dataset to obtain at least one deblended second dataset corresponding to one of plural seismic sources; and
generating an image of the underground formation based on the at least one deblended second datasets,
wherein the common acquisition characteristic is one of mid-point, offset and receiver position.

US Pat. No. 11,112,517

SYSTEM AND METHOD FOR INTERPOLATING SEISMIC DATA

CGG SERVICES SAS, Massy ...


1. A seismic survey method that improves an image of an explored subsurface geological formation by mitigating missing or faulty data, the method comprising:generating seismic waves with seismic sources;
recording, with seismic receivers, seismic data upon detecting the seismic waves including ones traveling through the explored subsurface geological formation;
determining that one or more traces of the seismic data are missing, corrupt or noisy;
forming, with a computing device, a plurality of pairwise Hankel tensors from the acquired seismic data, so that a pairwise Hankel tensor corresponds to each of a plurality of originally collected frequency slices and has two orders for each spatial dimension of the originally collected frequency slices, a number of spatial dimensions being maxim four;
performing a tensor completion for at least one of the pairwise Hankel tensors, to obtain interpolated seismic data suitable to replace the one or more traces of the seismic data that are missing, corrupt or noisy;
combining the seismic data with the interpolated seismic data to obtain a complete set of traces; and
generating the image based on the complete set of traces, to estimate an oil and gas yielding potential of the explored subsurface geological formation.

US Pat. No. 11,112,516

DATA FUSION TECHNIQUE TO COMPUTE RESERVOIR QUALITY AND COMPLETION QUALITY BY COMBINING VARIOUS LOG MEASUREMENTS

SCHLUMBERGER TECHNOLOGY C...


1. A method, comprising:normalizing two or more wellbore logs obtained from the output of two or more wellbore tool surveys of a wellbore in a formation of interest to provide two or more normalized wellbore logs;
inputting the two or more normalized wellbore logs into a correlation matrix;
assigning each of the two or more normalized wellbore logs a positive or negative value based on the impact on a selected wellbore quality;
performing a principal component analysis of the two or more normalized wellbore logs to obtain one or more loading vectors;
computing weighting factors for each of the two or more normalized wellbore logs from the one or more loading vectors;
generating a quality index by linearly combining the two or more normalized wellbore logs using the computed weighting factors;
inputting a user-defined threshold for the selected quality being indexed, wherein the quality index is a reservoir quality log;
designating one or more wellbore intervals in a reservoir quality log as pay regions based on the user-defined threshold; and
transitioning the wellbore to production and producing hydrocarbons from the one or more wellbore intervals designated as pay regions.

US Pat. No. 11,112,515

SEISMIC VELOCITY DERIVED HYDROCARBON INDICATION

BP CORPORATION NORTH AMER...


1. A computer-implemented method, comprising:generating a velocity model based upon seismic waveforms via a velocity model builder;
receiving data representative of a physical attribute of an area surrounding one or more wells, wherein the data comprises a sediment velocity of a formation in a region of a subsurface filled with brine;
generating an attribute model based upon the velocity model and the data; and
rendering an image based upon the attribute model for use with seismic exploration above the region comprising a hydrocarbon reservoir and containing structural or stratigraphic features conducive to a presence, migration, or accumulation of hydrocarbons.

US Pat. No. 11,112,514

SYSTEMS AND METHODS FOR COMPUTED RESOURCE HYDROCARBON RESERVOIR SIMULATION AND DEVELOPMENT

Saudi Arabian Oil Company...


1. A method comprising:determining a model of a hydrocarbon reservoir;
determining target domain decomposition parameters for a simulation of the hydrocarbon reservoir;
determining an initial number of processing cores for processing the simulation of the hydrocarbon reservoir;
conducting a preliminary grid calculation of the model of the hydrocarbon reservoir to determine a domain of the model of the hydrocarbon reservoir, the domain comprising grid cells representing a portion of the hydrocarbon reservoir, where each of the grid cells of the domain has a global cell identifier that uniquely identifies the grid cell from the other grid cells of the domain;
determining a weight array for the domain, the weight array comprising, for each grid cell of the domain:a weight indicative of a physical property of the portion of the hydrocarbon reservoir corresponding to the grid cell; and
an index that uniquely identifies the grid cell from the other grid cells of the domain;

determining a connectivity graph that corresponds to the weight array;
conducting, based the weight array and the connectivity graph, a DD of the domain to identify subdomains of the domain, the number of subdomains corresponding to the number of processing cores, and each of the grid cells of each subdomain being assigned a local cell identifier that uniquely identifies the grid cell from the other grid cells of the subdomain;
determining, based on the subdomains identified, domain decomposition characteristics indicative of processing overhead attributable to computations and communications for the grid cells of the subdomains;
comparing the domain decomposition characteristics to the target domain decomposition parameters to determine that at least one of the of the target domain decomposition parameters is not satisfied by the domain decomposition characteristics; and
in response to determining that at least one of the domain decomposition parameters is not satisfied by the domain decomposition characteristics, conducting a dynamic repartitioning operation comprising:determining a domain decomposition snapshot comprising the weight array and a global-to-local mapping, the global-to-local mapping comprising, for each of the grid cells of the domain, a mapping of the global cell identifier for the grid cell to the local cell identifier associated with the grid cell;
determining data exchange processes of the domain decomposition;
determining a reduced number of processing cores;
determining, based on the data exchange processes, regrouped data exchange processes;
conducting, based on the weight array, the regrouped data exchange processes and the reduced number of processing cores, an updated domain decomposition to identify updated subdomains, the number of updated subdomains corresponding to the reduced number of processing cores;
distributing, based on the updated subdomains and the global-to-local mapping, weight array indices to processors of processing cores associated with the updated subdomains;
determining, based on the distribution of the weight array indices, an updated connectivity graph for the domain;

determining, based on the updated subdomains and the updated connectivity graph for the domain, updated domain decomposition characteristics of the update subdomains, the updated domain decomposition characteristics being indicative of processing overhead attributable to computations and communications for the grid cells of the updated subdomains;
comparing the updated domain decomposition characteristics of the updated subdomains to the target domain decomposition parameters to determine that the target domain decomposition parameters are satisfied by the updated domain decomposition characteristics; and
in response to determining that the domain decomposition parameters are satisfied by the updated domain decomposition characteristics, conducting the simulation of the hydrocarbon reservoir using the updated subdomains identified and the reduced number of processing cores identified, to generate a simulation of the hydrocarbon reservoir.

US Pat. No. 11,112,513

METHOD AND DEVICE FOR ESTIMATING SONIC SLOWNESS IN A SUBTERRANEAN FORMATION

Schlumberger Technology C...


1. A method for estimating sonic slowness in a subterranean formation, comprising:obtaining a plurality of sonic waveforms received by a plurality of receivers after emission of a source sonic wave by a transmitter through the subterranean formation to obtain a plurality of recorded sonic waveforms, the plurality of receivers located at different positions in the subterranean formation;
obtaining at least two slowness models of the subterranean formation, a slowness model being defined by at least one cell of constant slowness for at least one wave energy mode;
computing, for each slowness model, a set of candidate travel times, each candidate travel time of a set of candidate travel times being computed for one said wave energy mode and a position of the transmitter and a position of a receiver in the plurality of receivers;
computing a relevance indicator for each set of candidate travel times based on the recorded sonic waveforms by extracting from at least one of the recorded sonic waveforms at least two wave components corresponding respectively to at least two wave energy modes and computing the relevance indicator for the corresponding set of candidate travel times by numerically combining operator output values corresponding to the at least two wave energy modes;
searching a match between the sets of candidate travel times and the recorded sonic waveforms by searching the relevance indicators for a relevance indicator that is optimum; and
computing a sonic slowness estimate for the subterranean formation from a set of candidate travel times for which the relevance indicator is optimum.

US Pat. No. 11,112,512

METHODS, SYSTEMS, AND MEDIA FOR MANAGING WIND SPEED DATA, SEISMIC DATA AND OTHER NATURAL PHENOMENA DATA

NEW PARADIGM GROUP, LLC, ...


1. A system for collecting and managing seismic data via an external communications network, the system comprising:one or more seismic station, each respective seismic station being disposed at a respective seismic station location and including, respectively,a seismic measurement apparatus disposed at the respective seismic station location and producing seismic signals indicative of seismic or acceleration conditions at the respective seismic station location;
a station processor disposed at the respective seismic station location and operatively connected to the seismic measuring apparatus for receiving the seismic signals and producing seismic data corresponding to the seismic signals;
a station memory disposed at the respective seismic station location and operatively connected to the station processor for storing the seismic data; and
a station computing device having a communication interface disposed at the respective seismic station location, the communication interface being operatively connected to the station processor to receive the seismic data therefrom, and being operatively connected to an external communications network to the transmit the seismic data to the external communications network;

one or more data server, each respective data server being disposed at a respective data server location and including, respectively,a server computing device disposed at the respective data server location;
a server communication interface disposed at the respective data server location, the server communication interface being operatively connected to the external communications network to receive respective seismic data from the one or more seismic stations and operatively connected to the server computing device to provide the received respective seismic data to the server computing device; and
a server memory disposed at the respective data server location and operatively connected to the server computing device for storing the received respective seismic data; and

wherein the one or more data server can transmit the stored received respective seismic data to another location on the external communications network;
further comprising:
one or more certification server, each respective certification server being disposed at a respective certification server location and including, respectively,a certification server computing device disposed at the respective certification server location; and
a certification server communication interface disposed at the respective certification server location, the certification server communication interface being operatively connected to the external communications network to receive respective seismic data from the one or more data servers and operatively connected to the certification server computing device to provide the received respective seismic data to the certification server computing device; and

wherein each of the one or more certification server can generate a respective data model, the respective data model comprising at least one ofa historical earthquake or seismic event model and
an earthquake or seismic event damage model;

wherein each of the one or more certification server can generate a respective certification report based on the received respective seismic data and the generated respective data models; and
wherein the one or more certification server can transmit the generated respective certification report to another location on the external communications network; and
further comprising:
one or more payout server, each respective payout server being disposed at a respective payout server location and including, respectively,a payout server computing device disposed at the respective payout server location; and
a payout server communication interface disposed at the respective payout server location, the payout server communication interface being operatively connected to the external communications network to receive the respective certification reports from the one or more certification server and to provide the received respective certification reports to the payout server computing device; and

wherein each of the one or more payout server can determine if a received respective certification report satisfied the terms of a respective associated contract.

US Pat. No. 11,112,511

RADIATION DETECTOR AND COMPTON CAMERA

Canon Kabushiki Kaisha, ...


1. A radiation detector including a semiconductor substrate and electrodes disposed on both sides of the semiconductor substrate, the radiation detector comprising:a plurality of charge accumulation units disposed inside the semiconductor substrate and each configured to accumulate a charge generated by radiation incident on the semiconductor substrate,
wherein charges accumulated in the plurality of charge accumulation units are readable to outside through at least one of signal lines so that a track of a photoelectron which generates the charges is specified,
wherein the electrodes disposed on the both sides of the semiconductor substrate include a plurality of front-surface electrodes disposed on a radiation incident side of the semiconductor substrate and a back-surface electrode disposed on a side opposite to the radiation incident side of the semiconductor substrate,
wherein each of the plurality of front-surface electrodes is connected to an ammeter,
wherein the plurality of front-surface electrodes and the plurality of charge accumulation units are associated with one another in position, and
wherein a time when the radiation is incident on each of the plurality of front-surface electrodes is specified by a time when a current flows through each of the plurality of front-surface electrodes being measured.

US Pat. No. 11,112,510

RADIATION DETECTOR WITH A SCINTILLATOR, SUITABLE FOR A PULSED RADIATION SOURCE

SHENZHEN XPECTVISION TECH...


1. A radiation detector, comprising:a scintillator configured to emit a second radiation upon receiving a first radiation from a pulsed radiation source,
pixels, and
a controller;
wherein each of the pixels is configured to detect the second radiation;
wherein the pulsed radiation source is configured to emit the first radiation during ON periods and configured not to emit the first radiation during OFF periods;
wherein the controller is configured to determine that the pulsed radiation source is at one ON period of the ON periods or at one OFF period of the OFF periods;
wherein the controller is configured to cause the pixels to integrate signals with determination that the radiation source is at the one ON period and the controller is configured to cause the pixels not to integrate signals with determination that the radiation source is at the one OFF period;
wherein the first radiation is X-ray and the second radiation is visible light.

US Pat. No. 11,112,509

MULTIFUNCTIONAL RADIATION DETECTOR

KONINKLIJKE PHILIPS N.V.,...


1. A radiation detector, comprising:a plurality of detectors, each detector comprising a plurality of photosensitive pixels and at least one scintillation device optically coupled to the plurality of photosensitive pixels;
a substrate foil for carrying the detectors; and
a switch arranged between two detectors of the plurality of detectors,
wherein the detectors are arranged in juxtaposition on the substrate foil;
wherein at least two directly adjoining scintillation devices of at least two directly adjoining detectors are spaced apart from each other, such that the radiation detector is bendable along at least a part of a bending region of the substrate foil,
wherein the bending region is arranged between the at least two directly adjoining scintillation devices;
wherein each detector comprises at least one of a separate addressing circuit for addressing the respective detector and a separate signal read-out circuit for reading-out signals from the respective detector; and
wherein the switch is configured to electrically interconnect and decouple the two detectors.

US Pat. No. 11,112,508

POSITIONING METHOD AND POSITIONING TERMINAL

PANASONIC INTELLECTUAL PR...


1. A positioning method for determining coordinates of a moving object, by a positioning terminal, by performing a positioning calculation based on information transmitted from a plurality of satellites,wherein the positioning terminalcalculates a fixed solution which is a solution obtained by the positioning calculation or a float solution which is a solution obtained by the positioning calculation and has lower accuracy than the fixed solution,
calculates a velocity bias based on a movement amount of the fixed solution,
calculates a velocity of the moving object,
calibrates a velocity of the moving object by removing the velocity bias from the velocity of the moving object,
calculates a dead reckoning (DR) solution which is an estimated value of the coordinates of the moving object based on the calibrated velocity of the moving object,
outputs the DR solution as the coordinates of the moving object in a case where at least the fixed solution is not calculated in the positioning calculation, and
outputs the fixed solution as the coordinates of the moving object in a case where the fixed solution is calculated in the positioning calculation.


US Pat. No. 11,112,507

LOCATION CORRECTION THROUGH DIFFERENTIAL NETWORKS SYSTEM

UNITED STATES OF AMERICA ...


1. A method for improving accuracy of a global positioning system (GPS)-based position (geoposition) of a portable mobile device, the method comprising:in response to a user input to the portable mobile device indicative of a request for improved GPS location accuracy of the portable mobile device, wherein the portable mobile device is a cell phone, a tablet computer, or other portable electronic device:establishing an internet connection between the portable mobile device and a base station having a reference geoposition determined using a respective time-stamped first set of GPS data from each of a plurality of GPS satellites; and
transmitting an accuracy improvement request signal from the portable mobile device to the base station over the established internet connection;

receiving the reference geoposition of the base station over the established internet connection via a chipset or a processor of the portable mobile device;
determining a time-stamped second set of GPS data using a receiver and the chipset or processor of the portable mobile device, the time-stamped second set of GPS data describing the geoposition of the portable mobile device with a GPS accuracy or resolution less than that of the base station, wherein respective times of collection of the time-stamped first and second sets of GPS data coincide, and wherein the time-stamped first and second sets of GPS data each includes respective code phase data, carrier phase data, and pseudo-range data from each of the GPS satellites;
generating a corrected geoposition of the portable mobile device, via the chipset or processor of the portable mobile device, using a predetermined GPS position correction technique and the time-stamped first and second sets of GPS data; and
controlling, via the portable mobile device, an action of an external response system in communication therewith using the corrected geoposition of the portable mobile device, including transmitting the corrected geoposition to the external response system via the portable mobile device.

US Pat. No. 11,112,506

RECEIVER RF FRONT-END CIRCUIT AND METHOD OF SAME

Beken Corporation, Shang...


7. A method, comprising:receiving, by a low noise amplifier (LNA), a RF signal from an antenna;
generating, by a frequency synthesizer and divider, a first local oscillation signal, a second local oscillation signal, a third local oscillation signal and a fourth local oscillation signal;
outputting, by a first front-end circuit communicatively coupled to the low noise amplifier and the frequency synthesizer and divider, a first digital intermediate frequency signal and a second digital intermediate frequency signal, wherein the outputting the first digital intermediate frequency signal is implemented bymixing the amplified RF signal and the first local oscillation signal into a first intermediate frequency signal,
filtering the first intermediate frequency signal, and
converting the filtered first intermediate frequency signal into the first digital intermediate frequency signal, and

wherein the outputting the second digital intermediate frequency signal is implemented bymixing the amplified RF signal, the first local oscillation signal and the second local oscillation signal into a second intermediate frequency signal,
filtering the second intermediate frequency signal, and
converting the filtered second intermediate frequency signal into the second digital intermediate frequency signal; and

outputting, by a second front-end circuit communicatively coupled to the low noise amplifier and the frequency synthesizer and divider, a third digital intermediate frequency signal and a fourth digital intermediate frequency signal, wherein the outputting the third digital intermediate frequency signal is implemented bymixing the amplified RF signal and the third local oscillation signal into a third intermediate frequency signal,
filtering the third intermediate frequency signal, and
converting the filtered third intermediate frequency signal into the third digital intermediate frequency signal, and

wherein the outputting the fourth digital intermediate frequency signal is implemented bymixing the amplified RF signal, the third local oscillation signal and the fourth local oscillation signal into a fourth intermediate frequency signal,
filtering the fourth intermediate frequency signal, and
converting the filtered fourth intermediate frequency signal into the fourth digital intermediate frequency signal.


US Pat. No. 11,112,505

NAVIGATION FOR A ROBOTIC WORK TOOL

HUSQVARNA AB, Huskvarna ...


1. A robotic work tool comprising:a position determining device configured to determine a current position of the robotic work tool; and
at least one deduced reckoning navigation sensor configured to provide signals for deduced reckoning navigation;
wherein the robotic work tool is configured to:in response to the position determining device no longer being able to determine the current position, operate based on the deduced reckoning navigation via the at least one deduced reckoning navigation sensor,
subsequently determine that the position determining device is able to determine the current position of the robotic work tool, and in response thereto, determine an expected navigation parameter based on control data for the deduced reckoning navigation sensor, the expected navigation parameter comprising an expected position and an expected direction of travel of the robotic work tool,
compare the expected navigation parameter to a current navigation parameter to determine a navigation error, the current navigation parameter comprising the current position as indicated by the position determining device and a current direction of travel of the robotic work tool as determined from the position determining tool,
determine if the navigation error exceeds a navigation error threshold,
in response to the navigation error exceeding the navigation error threshold, cause the robotic work tool to change a trajectory to accommodate for the navigation error by aligning the trajectory with an expected trajectory of the robotic work tool, wherein the expected trajectory is determined as being along the expected direction originating from the expected position of the robotic work tool, and
perform the change of the trajectory by returning to a position and align the trajectory while at that position with the expected direction originating from the expected position of the robotic work tool, the position not coinciding with the expected position, and
wherein the position is determined to be a point in an area in which navigation from the position determining device is not possible or the position is a point along the expected trajectory.


US Pat. No. 11,112,504

MEASUREMENT MONITORING DEVICE AND COMPUTER READABLE MEDIUM

Mitsubishi Electric Corpo...


1. A measurement monitoring device mounted on a measuring vehicle having a laser scanner mounted thereon, wherein the laser scanner repeatedly performs a laser measurement to acquire laser measurement data, and the laser measurement data indicates a measurement distance for each irradiation angle of laser light, the measurement monitoring device comprising:an input/output interface to acquire the laser measurement data every time the laser measurement is performed and display a measurement state screen indicating a plurality of lanes; and
processing circuitry todetect an attention angle, which is an irradiation angle corresponding to a measurement distance not included in a standard distance range, based on the acquired laser measurement data;
detect a warning angle, which is an irradiation angle matching the attention angle for a time longer than an allowable time; and
in response to detecting the warning angle, determine a warning lane, of the plurality of lanes, corresponding to the warning angle, issue a first warning, and highlight the determined warning lane on the measurement state screen when the determined warning lane is determined to be a valid lane.


US Pat. No. 11,112,503

METHODS AND APPARATUS FOR THREE-DIMENSIONAL (3D) IMAGING

Massachusetts Institute o...


1. An apparatus for generating a 3D image of a scene, the apparatus comprising:a light source to illuminate a first portion of the scene and a second portion of the scene with light pulses at a repetition rate greater than 10 kHz;
a detector array to detect photons reflected or scattered by the first portion of the scene so as to generate a first detected data set representing respective arrival times and arrival angles of the photons reflected or scattered by the first portion of the scene and to detect photons reflected or scattered by the second portion of the scene so as to generate a second detected data set representing respective arrival times and arrival angles of the photons reflected or scattered by the second portion of the scene;
an embedded processor, operably coupled to the detector array, to generate a first processed data set by removing at least one redundant data point and/or at least one noise data point from the first detected data set and to generate a second processed data set by removing at least one redundant data point and/or at least one noise data point from the second detected data set; and
a processor, communicatively coupled to the embedded processor via a data link, to receive the first processed data set and the second processed data set and to generate the 3D image of the scene based on the first processed data set and the second processed data set.

US Pat. No. 11,112,502

LASER RADAR SYSTEM

MITSUBISHI ELECTRIC CORPO...


1. A laser radar system, comprising:an optical oscillator to perform laser light oscillation;
an optical modulator to modulate the laser light by oscillation of the optical oscillator;
an optical antenna to emit the laser light modulated by the optical modulator into the atmosphere and to receive scattered light from an irradiated target as reception light;
an optical receiver to perform heterodyne detection on the reception light received by the optical antenna; and
a signal processor to calculate a spectrum of a reception signal obtained by the optical receiver's performing heterodyne detection, to decompose the spectrum using signal-to-noise ratios, and to calculate a velocity of the irradiated target from a decomposed spectrum, wherein
the signal processor comprises:a range bin divider to divide the reception signal at intervals of a preset width of time gates;
a Fourier transform processor to perform Fourier transform on a reception signal divided by the range bin divider and to calculate a spectrum of the reception signal for each of the time gates;
an integrator to integrate spectrums calculated by the Fourier transform processor for each of the time gates;
a Signal-to-Noise Ratio (SNR) calculator configured to obtain a signal-to-noise ratio for a target distance from the spectrum integrated by the integrator;
a number-of-decomposition setter to set the number of segments for the spectrum integrated by the integrator to be decomposed;
a spectrum decomposer to decompose the spectrum integrated by the integrator by using the number of segments set by the number-of-decomposition setter and the signal-to-noise ratios calculated by the SNR calculator; and
a wind velocity calculator to calculate a wind velocity of the irradiated target from a spectrum decomposed by the spectrum decomposer.


US Pat. No. 11,112,501

USING A TWO-DIMENSIONAL SCANNER TO SPEED REGISTRATION OF THREE-DIMENSIONAL SCAN DATA

FARO TECHNOLOGIES, INC., ...


1. A measurement system movable from a first position to a second position, the system comprising:one or more processors;
a three dimensional (3D) measurement device operable to cooperate with the one or more processors to determine 3D coordinates of an area;
a position and orientation sensor;
a 2D laser scanner operably coupled to the 3D measurement device, the position and orientation sensor, and the one or more processors, the 2D laser scanner being configured to emit light over a predetermined angular range in a plane;
wherein the one or more processors responsive to executable instructions which when executed by the processor system is operable to:cause the laser scanner to emit light in a plane;
obtain a plurality of 2D scan sets as at least a portion of the system is moved from the first position to the second position, the each of the plurality of 2D scan sets being a set of 2D coordinates of points on an object surface collected by the laser scanner at a different position relative to the first position;
determine a first translation value, a second translation value, and a first rotation value based at least in part on a fitting of the plurality of 2D scan sets, the fitting based at least in part on measurements by the position and orientation sensor as the system is moved from the first position and the second position;
identifying a correspondence between 3D coordinates measured by the 3D measurement device in the first position and the second position based at least in part on the first translation value, the second translation value, and the first rotation value; and
registering the 3D coordinates measured in the first position and the second position based on the correspondence.


US Pat. No. 11,112,500

ULTRASOUND IMAGING FLOW VECTOR VELOCITY ESTIMATION WITH DIRECTIONAL TRANSVERSE OSCILLATION

BK Medical APS, Herlev (...


1. An ultrasound imaging system, comprising:a transducer array including a plurality of transducer elements configured to transmit an ultrasound signal and receive echoes;
transmit circuitry configured to excite the transducer elements to transmit the ultrasound signal along a propagation direction;
receive circuitry configured to receive an echo signal produced in response to the ultrasound signal traversing flowing structure in a field of view;
a beamformer configured to beamform the echo signal by focusing the echo signal at a depth of interest in a lateral direction and produce a single directional signal at the depth, where the directional signal is transverse to the propagation direction of the ultrasound signal; and
a velocity processor configured to transform the directional signal to produce a corresponding quadrature signal, estimate a depth velocity component and a transverse velocity component at the depth based on the directional signal and the quadrature signal, and generate a signal indicative of the estimate.

US Pat. No. 11,112,499

SYNTHETIC ANTENNA SONAR AND METHOD FOR FORMING SYNTHETIC ANTENNA BEAMS

THALES, Courbevoie (FR)


1. A method for forming synthetic aperture beams of a sonar over R pings of the sonar, the sonar being intended to move along a first axis, the sonar comprising an emitting device configured to emit, in each ping of successive pings, at least one acoustic pulse toward an observed zone in a set of sectors, a first physical receiving antenna extending along the first axis allowing measurements of backscattered signals generated by said at least one acoustic pulse and backscattered by the observed zone; a processing device configured to form, over R pings, for each sector of the set of sectors, synthetic aperture beams from measurements of signals backscattered by the observed zone and generated by acoustic pulses emitted in said sector, and at least one gyrometer that obtains rotation measurements of the first receiving antenna, the method comprising:forming, for each sector over R pings, synthetic aperture beams from measurements of signals backscattered by the observed zone and generated by acoustic pulses emitted in said sector, wherein variations in the movement of the first receiving antenna during the formation of the synthetic aperture beams of said set of sectors are corrected for by carrying out an autocalibration by intercorrelation of the successive pings using rotation measurements of the first receiving antenna, which measurements are obtained with said at least one gyrometer, and using estimations of the elevation angles of the backscattered signals to determine image planes of the backscattered signals; and to project said rotation measurements onto said image planes, the projections obtained being used to carry out the autocalibration, and wherein,
during the forming of the synthetic aperture beams of the first sector and of a second sector of the set of sectors, estimations of elevation angles are obtained from a bathymetric chart comprising the three-dimensional positions, defined in a terrestrial reference frame having three axes fixed to the earth, of a plurality of points of the observed zone,
the emitting device being configured to emit, in each ping, in the first sector and in the second sector, distinguishable acoustic pulses toward an observed zone, along a first sighting axis and a second sighting axis having different bearing angles, respectively, and the bathymetric chart being obtained from measurements of first elevation angles of first backscattered signals generated by acoustic pulses emitted in said first sector,
the sonar comprising an array of transducers comprising a plurality of elementary transducers distributed along a second axis perpendicular to the first axis, said transducers forming the array of transducers being dimensioned and configured so that their receiving lobes cover the first sector but so that said at least one second sector is located at least partially beyond their receiving lobes, the first backscattered signals being acquired by means of the array of transducers, the method comprising, for each ping, measuring first elevation angles of first backscattered signals by means of the array of transducers, calculating estimations of first elevation angles, consisting in transposing the measurements of first elevation angles to the terrestrial reference frame, the method comprising producing the bathymetric chart from the estimations of the first elevation angles, the bathymetric chart comprising three-dimensional coordinates, in the terrestrial reference frame, of probe points having backscattered the first backscattered signals,
the method comprising estimating, from the bathymetric chart, the elevation angles of the backscattered signals generated by pulses emitted in the first sector and in the second sector, comprising, for each of the backscattered signals, calculating the position of that point Mp of the bathymetric chart which is closest to a section of a circle Cp obtained by rotating, about the first axis, a point B located on the other sighting axis at a distance from the antenna corresponding to the distance separating the antenna from a probe point having generated the backscattered signal, calculating a first point of intersection Ip between the bathymetric chart and the section of the circle Cp on the basis of the closest point Mp, and calculating, in the terrestrial reference frame, the elevation angle of the point of intersection.

US Pat. No. 11,112,498

ADVANCED DRIVER-ASSISTANCE AND AUTONOMOUS VEHICLE RADAR AND MARKING SYSTEM

MAGNA ELECTRONICS INC., ...


1. A radar sensing system for a vehicle, the radar sensing system comprising:a radar sensor disposed at the vehicle so as to have a field of sensing exterior of the vehicle;
wherein the radar sensor comprises a plurality of transmitters that transmit radio signals and a plurality of receivers that receive radio signals, and wherein the received radio signals are transmitted radio signals that are reflected from an object;
a control having a processor for processing outputs of the receivers;
wherein the transmitted radio signals reflect off at least one radar reflective object disposed in the field of sensing of the radar sensor;
wherein the at least one radar reflective object comprises radar reflective traffic lane demarcations on a road being traveled by the vehicle;
wherein the control, responsive to processing of outputs of the receivers by the processor, determines information pertaining to the radar reflective traffic lane demarcations based on the received reflected radio signals; and
a display, wherein the display, when visibility of the radar reflective traffic lane demarcations to a driver of the vehicle is compromised and responsive to the determined information pertaining to the radar reflective traffic lane demarcations, displays virtual traffic lane demarcations such that the virtual traffic lane demarcations appear to the driver of the vehicle to overlay the road along the visibility-compromised radar reflective traffic lane demarcations.

US Pat. No. 11,112,497

MAXIMUM DOPPLER EXTENSION VIA RECURSIVE CHIRP DECIMATION

GM GLOBAL TECHNOLOGY OPER...


7. A vehicle, comprising:a radar system that transmits a linear frequency modulated signal into an environment of the vehicle and receives a reflection of the linear frequency modulated signal from an object in the environment; and
a processor configured to:partition the reflection into a plurality of streams of equal time duration
obtain a frequency space for each of the plurality of streams;
determine a range of the object from at least one of the frequency spaces;
combine the frequency spaces into a combined frequency space; and
determine the Doppler frequency from the combined frequency space that exceeds a maximum Doppler frequency of the radar system.


US Pat. No. 11,112,496

POSITION-DETERMINING DEVICE


7. A method for determining a position of an object with reference to a position determining device,the position determining device comprising:a first transmitting device at a first location,
a second transmitting device at the second location,
a first receiving device at the first location, for generating a first received signal from a transmitted signal of the second transmitting device,
a second receiving device at the second location, for generating a second received signal from a transmitted signal of the first transmitting device,

an illumination region of the first transmitting device overlapping with an illumination region of the second transmitting device,
the first transmitting device transmitting at a first transmission frequency and the second transmitting device transmitting at a second transmission frequency, the first transmission frequency differing from the second transmission frequency by a frequency difference, wherein the first transmission frequency and the second transmission frequency are modulated in the same manner, being in particular frequency-modulated, phase-modulated, and/or amplitude-modulated,
the first received signal is mixed with the first transmission frequency, a first intermediate signal being generated,
the second received signal is mixed with the second transmission frequency, a second intermediate signal being generated,
the first intermediate signal being mixed with the second intermediate signal, an ellipse determining signal being generated, and
a transit time of signals that transit from one of the first and second transmitting devices one of the first and second receiving devices being determined, wherein the first location and the second location are at a distance from one another, and the position determining device determines from the transit time an ellipse on which the object lies, the first location and the second location each constituting a focus of the ellipse,
wherein the ellipse is determined from the frequency of the additive mixed component of the ellipse determining signal, the trilateration being carried out in particular by means of a first direct component and a second direct component, the first direct component being removed from the first subtractive intermediate signal mixed term and/or the second direct component being removed from the second subtractive intermediate signal mixed term.

US Pat. No. 11,112,495

METHOD FOR ACOUSTIC DISTANCE TIME OF FLIGHT COMPENSATION

SEMICONDUCTOR COMPONENTS ...


1. A method comprising:generating an acoustic signal for an acoustic transducer at a first time, wherein the acoustic transducer transmits the acoustic signal to determine a first position of an obstacle;
detecting a pulse at the acoustic transducer in response to the acoustic signal encountering the obstacle within a predetermined distance;
detecting a second time in response to a rising edge of the pulse intersecting a determined threshold, the determined threshold having a first magnitude;
detecting a peak magnitude of the pulse; and
determining a time of flight of the acoustic signal within the predetermined distance by extracting a compensation time from a correction look up table in response to detecting the first magnitude and the peak magnitude, and subtracting the compensation time from the second time to determine the time of flight, wherein the determining comprises determining a correction ratio of the determined threshold to the peak magnitude of the pulse, and wherein the correction look up table determines the compensation time corresponding to the correction ratio.

US Pat. No. 11,112,494

PHOTODETECTOR AND PORTABLE ELECTRONIC EQUIPMENT

SHARP KABUSHIKI KAISHA, ...


1. A photodetector, comprising:a light-emitting element;
a first light-receiving unit that has a plurality of avalanche photodiodes as a first light-receiving element that detects, in Geiger mode, photons of pulse light emitted by the light-emitting element;
a second light-receiving unit that has a plurality of avalanche photodiodes as a second light-receiving element that detects, in Geiger mode, photons of reflected light where the pulse light has been reflected by a detection object;
a time difference measuring unit that measures a time difference between a puke signal output from the first light-receiving element of the first light-receiving unit and a pulse signal output from the second light-receiving element of the second light-receiving unit;
an ambient-light-incident light-receiving-element determining unit that determines the second light-receiving element on which ambient light is incident, based on pulse signals output from second light-receiving elements of the second light-receiving unit when the light-emitting element is not emitting light; and
an operation stopping unit that stops operation of the second light-receiving elements for which determination is made that ambient light is incident.

US Pat. No. 11,112,493

LIDAR SYSTEM AND METHOD OF DRIVING THE SAME

SAMSUNG ELECTRONICS CO., ...


1. A light detection and ranging (LiDAR) system comprising:a light source;
a beam steering device configured to steer light emitted from the light source toward an object, wherein the beam steering device comprises:an optical phased array comprising a plurality of channels, and
a signal input unit configured to apply a plurality of driving signals to the plurality of channels, respectively;

a light detector configured to detect light steered by the beam steering device and reflected from the object; and
a processor configured to perform an optimization operation comprising:analyzing the light detected by the light detector,
calculating at least one correction value,
controlling the plurality of driving signals of the signal input unit according to the at least one correction value, thereby correcting an error of the beam steering device, and
determining the at least one correction value such that a signal to noise ratio (SNR) of a beam profile output according to the at least one correction value exceeds a certain reference value.


US Pat. No. 11,112,492

ROTATION ANGLE SENSOR SYSTEM, LIDAR SYSTEM, WORK DEVICE AND OPERATING METHOD FOR A LIDAR SYSTEM

Robert Bosch GmbH, Stutt...


1. A rotation angle sensor system for an optical system and/or a LIDAR system, which includes a rotor and a stator for determining a rotation angle and/or an orientation between the rotor and the stator, comprising:a coil system configured as a sensor element for receiving a magnetic alternating field, which is stator-based and rotatably fixedly attached or rotatably fixedly attachable to the stator; and
a target for actively generating a magnetic alternating field, which is rotor-based and rotatably fixedly attached or rotatably fixedly attachable to the rotor;
wherein the coil system and the target are attached or are attachable to the stator and to the rotor so that different overlaps and/or spatial proximities occur between the coil system and the target as a function of the rotation angle and/or of the orientation between the stator and the rotor with a correspondingly different influence of the magnetic alternating field of the target on the coil system; and
wherein the rotation angle sensor is configured to actively energize the target for actively generating an magnetic alternating field, wherein a first voltage source is configured for supplying power to the target, including or in the manner of an adaptation network or adaptation component, which includes a capacitor connected in parallel, short-circuiting in a frequency range of 5 MHz to 20 MHz, having an impedance at 1 MHz of 1 Ohm, a capacitance of 15 nF and/or for adapting a frequency, amplitude and/or a phase of an input signal, and/or wherein the target is connected to or is connectable to such a voltage source and for which a connecting device is configured.

US Pat. No. 11,112,491

OPTICAL SCANNER AND DETECTOR

ROCKLEY PHOTONICS LIMITED...


1. A device comprising a plurality of optical scanners, each of the optical scanners comprising an optical phased array, each of the optical scanners comprising:a power splitter configured to split light from a waveguide connecting at least one laser to a plurality of waveguides;
a plurality of amplitude modulators or phase modulators, each connected to the power splitter through a corresponding waveguide of the plurality of waveguides;
a plurality of emitters, each emitter connected to a corresponding amplitude or phase modulator through a corresponding waveguide; and
a plurality of lasers, each laser operating at a different wavelength relative to other lasers of the plurality of lasers, and further comprising at least one switch between the plurality of lasers and the power splitter, configured to switch between lasers of the plurality of lasers,
wherein:
the plurality of amplitude modulators or phase modulators is configured to receive control signals to control an amplitude or phase of the light,
the optical phased array is configured to emit a light beam in a spatial direction based on the amplitude or phase of the light, and
wherein each optical scanner of the plurality of optical scanners is configured to transmit light in a spatial direction different from other optical scanners of the plurality of optical scanners.

US Pat. No. 11,112,490

APPARATUS FOR JOINT CALIBRATION OF RADAR AND CAMERA SYSTEMS FOR AUTONOMOUS VEHICLE APPLICATIONS

Argo AI, LLC, Pittsburgh...


1. A joint sensor calibration target comprising:a spherical portion;
a cutout portion, wherein the cutout portion is formed within the spherical portion and comprises three equal surfaces; and
a trihedral reflector positioned within the cutout portion.

US Pat. No. 11,112,489

RADAR SYSTEMS AND METHODS HAVING ISOLATOR DRIVEN MIXER

Intel Corporation, Santa...


1. A radar circuitry, comprising:an isolator configured to:isolate a transmission signal path and a reception signal path from each other; and
generate a drive signal at a balanced port of the isolator based on a transmission signal on the transmission signal path that is received at a transmission signal port of the isolator;

a mixer configured to mix a received signal on the reception signal path and the drive signal to generate a converted signal,
wherein during signal transmission, the transmission signal on the transmission signal path is split between the balanced port and a common antenna port of the isolator, and
wherein during signal reception, the received signal that is received via the common antenna port is split between the transmission port and a receiving port of the isolator that is coupled to the reception signal path; and
an impedance tuner configured to adjust an impedance of the balanced port to match an input impedance of a common antenna that is coupled to the isolator via the common antenna port, the isolation provided between the transmission signal path and the reception signal path being dependent on the impedance matching between the balanced port and the common antenna port.

US Pat. No. 11,112,488

METHOD FOR OPERATING A RADAR SENSOR DEVICE AND RADAR SENSOR DEVICE

Robert Bosch GmbH, Stutt...


1. A method for operating a radar sensor device, the radar sensor device including antenna elements including a plurality of transmitting antenna elements and a plurality of receiving antenna elements, wherein all of the antenna elements are situated together along an arc and wherein the antenna elements are divided into a plurality of antenna systems, that each includes at least two of the transmitting antenna elements and at least two of the receiving antenna elements, the method comprising:operating each of the antenna systems as an independent multiple-input-multiple-output radar system relative to one another, wherein the operating includes:transmitting transmit signals using the transmitting antenna elements of a first antenna system of the antenna systems and the transmitting elements of a second antenna system of the antenna systems, the first antenna system being different than the second antenna system, wherein those of the transmitting antenna elements whose transmission ranges overlap have transmit signals orthogonal to one another; and
receiving reflections of the transmitted transmit signals using the receiving antenna elements;
wherein at least one transmitting antenna element of the first antenna system is operated with the same transmit signal as at least one transmitting element of the second antenna system.


US Pat. No. 11,112,487

METHOD FOR PERFORMING IMAGING POLARIMETRY, TRANSPONDER, AND SYSTEM FOR PERFORMING IMAGING POLARIMETRY


5. A system, comprising:at least one passive, chipless transponder having at least two surface regions each configured to generate differentiated polarimetric backscatter in response to polarimetric illumination, wherein at least one of said at least two surface regions having a three-dimensional surface form with a plurality of parallel side walls each having an angle of inclination and said three-dimensional surface form defining a roof mirror; and
at least one reader for radar-based reading of said at least one passive, chipless transponder, said at least one reader programmed to:irradiate said chipless, passive transponder by means of radar radiation with at least two differently polarized waves including a first polarized wave and a second polarized wave;
generate a first polarization-encoded image of said chipless, passive transponder on a basis of the radar radiation reflected from said chipless, passive transponder based on the first polarized wave, the radar radiation being reflected without an energizing current operating an integrated circuit on said transponder nor by use of an antenna on said transponder; and
generate a second polarization-encoded image of said chipless, passive transponder on a basis of the radar radiation reflected from said chipless, passive transponder based on the second polarized wave, the radar radiation being reflected without an energizing current operating an integrated circuit on said transponder nor by use of an antenna on said transponder;
decode an identifier of said passive, chipless transponder using the first and second polarization encoded images.


US Pat. No. 11,112,486

RADAR APPARATUS

SOCIONEXT INC., Kanagawa...


1. A radar apparatus which includes: a local oscillator for outputting a local oscillation signal; a transmitter unit; and a receiver unit, whereinthe transmitter unit includes:a transmission input configured to receive the local oscillation signal; and
a transmitter configured to transmit a transmission signal based on the local oscillation signal that has been received via the transmission input,

the receiver unit includes:a reception input configured to receive the local oscillation signal not via the transmission input;
a receiver configured to receive a reflection wave based on the transmission signal;
an IQ generation circuit which receives the local oscillation signal as an input, the IQ generation circuit configured to generate first and second local oscillation signals having a phase difference of 90 degrees;
a cancel signal generator configured to generate a cancel signal by amplifying the first and second local oscillation signals based on an adjustment signal and then adding the amplified first and second local oscillation signals;
an adder configured to perform superimposition of the cancel signal on a reception signal; and:
a mixer configured to perform frequency conversion using the first and second local oscillation signals by receiving an output from the adder.


US Pat. No. 11,112,485

FREQUENCY HOP BASED POSITIONING MEASUREMENT

Sony Group Corporation, ...


1. A method of enabling position measurement for a wireless communication device, the method comprising:configuring a frequency hop pattern to be applied for switching a radio interface of the wireless communication device between multiple different frequency ranges to send uplink positioning reference signals on multiple different frequencies defined by the frequency hop pattern;
receiving, by a base station of a wireless communications network, the uplink positioning reference signals from the wireless communication device;
configuring further base stations of the wireless communications network to receive the uplink positioning references signals from the wireless communications device and to provide information derived from received uplink positioning reference signals to the base station; and
by combined evaluation of received uplink positioning reference signals and the information provided by the further base stations, determining positioning information for the wireless communication device.

US Pat. No. 11,112,484

SYSTEM AND METHOD FOR ESTABLISHING RELATIVE DISTANCE AND POSITION OF A TRANSMITTING ANTENNA

NANNING FUGUI PRECISION I...


1. A positioning system comprising:a first device comprising at least two receiving antennas, wherein
a number of the at least two receiving antennas is defined as N, an angle between the directions in which adjacent two of the receiving antennas receive the strongest signals is 360°/N; and
a second device having a transceiving function;
wherein the first device obtains a received signal strength indicator (RSSI) of each of the receiving antenna receiving signals from the second device, determines which of the two receiving antennas is closest to the second device according to received signal strength indicator (RSSI) , calculates an angle between the second device according to RSSIs of the two closest receiving antennas and the receiving antenna which is determined closest to the second device, and calculates a distance between the second device and the first device according to the angle, a gain of the closest receiving antennas, an output power of the second device and a gain of one of the transmitting antennas.

US Pat. No. 11,112,483

DETERMINATION SYSTEM FOR THE DIRECTION OF ARRIVAL OF A SIGNAL AND FOR ELECTRONIC ATTACK

Lockheed Martin Corporati...


1. An apparatus for determining one or more directions of arrival of one or more coherent or incoherent signals with a single radio frequency channel, the apparatus comprising:a plurality of antenna elements configured to determine the one or more coherent or incoherent signals;
a plurality of radio frequency switches configured to selectively activate one or more of the plurality of antenna elements based on a pre-determined pseudo-random switching pattern; and
a radio frequency combiner configured to combine a plurality of radio frequency signals from one or more selectively activated antenna elements of the plurality of antenna elements.

US Pat. No. 11,112,482

METHOD FOR CALIBRATING VERTICALITY OF PARTICLE BEAM AND SYSTEM APPLIED TO SEMICONDUCTOR FABRICATION PROCESS

Yangtze Memory Technologi...


1. A method for calibrating verticality of a particle beam, the method comprising:providing a baseplate having a first sensor and a second sensor;
emitting the particle beam to the first sensor in the baseplate from an emitter, such that a first datum is collected when the first sensor receives the particle beam;
emitting the particle beam to the second sensor in the baseplate from the emitter, such that a second datum is collected when the second sensor receives the particle beam;
calculating a first calibrating datum based on the first datum and the second datum; and
adjusting the baseplate or the emitter based on the first calibrating datum if the first calibrating datum is out of a first predetermined range.

US Pat. No. 11,112,481

DIFFERENTIAL CIRCUIT CALIBRATION APPARATUS AND METHOD

Cirrus Logic, Inc., Aust...


1. An apparatus for calibrating a differential circuit that includes a differential integrator having an input, a gain, and an output connected to a comparator, wherein the differential integrator output is chargeable to a threshold prior to an integration period, wherein the differential integrator integrates the input during the integration period such that the differential integrator output goes toward zero from the threshold, wherein the comparator detects the output of the differential integrator reaching zero, the apparatus comprising:a closed-loop gain trim circuit to perform a coarse calibration to adjust and set the gain of the differential integrator;
a reference generator that generates the threshold to which the differential integrator output is pre-charged; and
wherein the reference generator is trimmable during a fine calibration to adjust and set the threshold to correct for residual gain error in the differential circuit remaining after the coarse calibration is performed.

US Pat. No. 11,112,480

COMPRESSED SENSING WITH REGULARIZATION PARAMETER

Siemens Healthcare GmbH, ...


1. A method for generating a signal-to-noise improved magnetic resonance (MR) image of an object under examination in an MR system using a compressed sensing technology, the method comprising:determining a first MR signal data set of the object under examination in which a corresponding k-space is randomly subsampled;
determining a location dependent sensitivity map for each receiving coil of at least one receiving coil used to detect MR signals of the first MR signal data set in a location of the object under examination; and
generating the MR image using an optimization process of the compressed sensing technology in which a location dependent regularization parameter is used,
wherein the location dependent regularization parameter is determined based on the location dependent sensitivity map.

US Pat. No. 11,112,479

METHOD AND A MRI APPARATUS FOR OBTAINING IMAGES OF A TARGET VOLUME OF A HUMAN AND/OR ANIMAL SUBJECT USING MAGNETIC RESONANCE IMAGING (MRI)

UNIVERSITEIT MAASTRICHT, ...


1. A method for obtaining images of a target volume of a human and/or animal subject using magnetic resonance imaging (MRI), said method comprising at least the steps of:A applying, to said human and/or animal subject being positioned in an MRI scanning apparatus, during subsequent total block times TBj with j ? [1, 2, . . . , K] a first set of spatially selective RF pulses (Exc0-Sto0-Rec0) in a sequence block SB(j,0), with in a sub-sequence block SBA(j,0) of said sequence block SB(j,0) at least a first RF pulse (Exc0) at t=t1(j,0) and a second RF pulse (Sto0) at t=t2(j,0) and in a sub-sequence block SBB(j,0) of said sequence block SB(j,0) at least a third RF pulse (Rec0) at t=t3(j,0), with t1(j,0) B acquiring during said total block times TBj at least the MRI signals with at least a RF receiving unit having spatial sensitive characteristics; and
C computer-processing the MRI signals as acquired with said RF receiving unit in order to produce magnetic resonance image data for each of said M0 slices of the target volume; and wherein the method further comprises the step of:
D applying, to said human and/or animal subject being positioned in said MRI scanner, at least a further sequence block SB(j,i) (with i ? [1, N]) of spatially selective RF pulses (Exci-Stoi-Reci), with in a sub-sequence block SBA(j,i) of said further sequence block SB(j,i) at least a first RF pulse (Exci) at t=t1(j,i) and a second RF pulse (Stoi) at t=t2(j,i) and in a sub-sequence block SBB(j,i) of said sequence block SB(j,i) at least a third RF pulse (Reci) at t=t3(j,i) with t1(j,i)

US Pat. No. 11,112,478

SELECTION OF MAGNETIC RESONANCE FINGERPRINTING DICTIONARIES FOR ANATOMICAL REGIONS

Koninklijke Philips N.V.,...


1. A magnetic resonance imaging system for acquiring magnetic resonance fingerprinting (MRF) magnetic resonance data from a subject within a region of interest, wherein the magnetic resonance imaging system comprises:a processor for controlling the magnetic resonance imaging system;
a memory for storing machine executable instructions and MRF pulse sequence commands, wherein the MRF pulse sequence commands are configured for controlling the magnetic resonance imaging system to acquire the MRF magnetic resonance data according to a magnetic resonance fingerprinting protocol,
wherein execution of the machine executable instructions causes the processor to:acquire the MRF magnetic resonance data for the region of interest by controlling the magnetic resonance imaging system with the MRF pulse sequence commands and reconstruct MR fingerprints from the MRF magnetic resonance data;
receive magnetic resonance data descriptive of the region of interest;
identify anatomical regions within the region of interest in the magnetic resonance data using an anatomical model;
select a local magnetic resonance fingerprinting dictionary from a set of magnetic resonance fingerprinting dictionaries for each of the anatomical regions, wherein the local magnetic resonance fingerprinting dictionary comprises a listing of calculated MRF signals for a set of predetermined substances specific to each of the anatomical regions; and
calculate a composition mapping of the predetermined substances for each of the anatomical regions using the MR fingerprints and the local magnetic resonance fingerprinting dictionary, wherein the composition mapping is a spatial average of voxels within each of the anatomical regions.


US Pat. No. 11,112,477

MAGNETIC RESONANCE IMAGING APPARATUS AND IMAGE PROCESSING APPARATUS

CANON MEDICAL SYSTEMS COR...


1. An image processing apparatus comprising:processing circuitry configured to:
extract a cerebrospinal fluid (CSF) region including a cerebral ventricle portion region and a cerebral sulcus portion region from a magnetic resonance (MR) image;
receive an input to specify the cerebral ventricle portion region on the MR image from which the CSF region is extracted; and
extract the cerebral sulcus portion region from the CSF region, based on the specified cerebral ventricle portion region.

US Pat. No. 11,112,476

METHOD OF EXTRACTING INFORMATION ABOUT A SAMPLE BY NUCLEAR MAGNETIC RESONANCE MEASUREMENTS

CR Development AB


1. A method of extracting information about a sample, the method comprising:performing a plurality of magnetic resonance measurements on the sample, each measurement including subjecting the sample to an encoding sequence, at least a part of the sequence being adapted to encode a magnetic resonance signal attenuation due to nuclear relaxation and diffusion,
wherein at least one parameter of a gradient pulse sequence is varied between at least a first subset of said plurality of measurements, and at least one measurement of said first subset includes a gradient pulse sequence comprising a diffusion-encoding tensor representation with more than one non-zero eigenvalue,
and wherein at least a second subset of said plurality of measurements include encoding for different levels of magnetic resonance signal attenuation due to nuclear relaxation; and
extracting information about the sample from signals resulting from said plurality of magnetic resonance measurements, the information including nuclear relaxation and diffusion characteristics for the sample,
wherein extracting the information includes estimating a representation of a probability distribution indicating a probability to find a particular combination of nuclear relaxation characteristics and diffusion characteristics in the sample, the combination including: a longitudinal and/or a transverse relaxation rate, and one or more of: an isotropic diffusion, an anisotropic diffusion, and an orientation of a diffusion tensor,
wherein the probability distribution is estimated by determining a solution to an equation relating echo signals resulting from said plurality of measurements to a product of a kernel and the probability distribution, wherein components of the kernel are based on an acquisition parameter and a diffusion or a relaxation characteristic.

US Pat. No. 11,112,475

PARALLEL MULTI-SLICE MR IMAGING

Koninklijke Philips N.V.,...


1. A method of magnetic resonance (MR) imaging of an object placed in an examination volume of a MR device, the method comprising: generating MR signals by subjecting the object to a number N of shots of a multi-echo imaging sequence comprising multi-slice RF pulses for simultaneously exciting two or more spatially separate image slices, with a phase offset being imparted to the MR signals of each image slice, wherein the phase offset is varied from shot to shot,acquiring the MR signals, wherein the MR signals are received in parallel via a set of at least two RF coils having different spatial sensitivity profiles within the examination volume, and
reconstructing a MR image for each image slice from the acquired MR signals using a parallel reconstruction algorithm, wherein the MR signal contributions from the different image slices are separated on the basis of the spatial encodings of the MR signals according to the spatial sensitivity profiles of the RF coils and on the basis of the phase offsets attributed to the respective image slices and shots.

US Pat. No. 11,112,474

MAGNETIC RESONANCE IMAGING APPARATUS AND MAGNETIC RESONANCE IMAGING METHOD

Canon Medical Systems Cor...


1. A magnetic resonance imaging apparatus comprising processing circuitry configured to:acquire a first resonance frequency distribution of a first tissue and a second resonance frequency distribution of a second tissue which is different from the first tissue;
calculate a center frequency of a frequency-selective prepulse that suppresses or emphasizes either one of the first tissue and the second tissue in accordance with the first and second resonance frequency distributions; and
apply the frequency-selective prepulse at the calculated center frequency and thereafter apply an RF pulse to collect a magnetic resonance signal.

US Pat. No. 11,112,473

SYSTEMS AND METHODS FOR AVOIDING MRI-ORIGINATED INTERFERENCE WITH CONCURRENTLY USED SYSTEMS

INSIGHTEC, LTD., Tirat C...


1. A method of performing magnetic resonance (MR) imaging of an anatomic region in conjunction with an ultrasound measurement of the region using an ultrasound system, the method comprising the steps of:simultaneously performing an MR scan sequence including MR pulses and the ultrasound measurement;
recording the ultrasound measurement as the ultrasound measurement is made;
detecting time intervals during the MR scan sequence when a radio frequency (RF) level is sufficient to interfere with the ultrasound measurement; and
discarding the ultrasound measurement performed within the detected time intervals and retaining only the ultrasound measurement performed outside the detected time intervals.

US Pat. No. 11,112,472

PRE-EMPHASIS TECHNIQUES BASED ON TEMPERATURE DEPENDENT GRADIENT SYSTEM BEHAVIOR FOR TRAJECTORY CORRECTION IN MAGNETIC RESONANCE IMAGING

Siemens Healthcare GmbH, ...


1. A method for developing at least one gradient system characterization function for a magnetic resonance (MR) device, the method comprising:setting at least one gradient coil of the MR device at a target temperature;
measuring a behavior of the MR device at the target temperature at different frequencies of the at least one gradient coil, wherein the different frequencies are generated by varying current through the at least one gradient coil; and
developing, by a processor of the MR device, at least one gradient system characterization function for the at least one gradient coil of the MR device at the target temperature based on the measured behavior.

US Pat. No. 11,112,471

INDUCTIVELY FEEDING AN RF COIL FOR MAGNETIC RESONANCE IMAGING

Koninklijke Philips N.V.,...


1. A system comprising:a radio frequency (RF) coil for magnetic resonance imaging (MRI); and
at least one feeding coil for inductively feeding the RF coil with an RF signal which results in transmission of an RF excitation pulse for producing MRI spin excitation,
wherein the RF coil comprises conductive coil elements wherein the coil elements include two end rings comprised of two circular conductive loops which are connected with each other by a plurality of conductive straight rungs,
wherein the at least one feeding coil is configured and arranged for feeding the RF signal into a first end ring of the two end rings of the RF coil at a first position and at a second position, the first position being different from the second position,
wherein the at least one feeding coil comprises two loops and is configured to provide current in the two loops in opposite directions than each other,
wherein the at least one feeding coil is configured and arranged for feeding the RF signal into the RF coil at two opposite sides of the first end ring by arranging the two loops at a connection portion of the first end ring and one of the rungs
wherein a direction of a magnetic field of the RF signal at the first position is different from the direction of the magnetic field of the RF signal at the second position.

US Pat. No. 11,112,470

MAGNETIC RESONANCE IMAGING APPARATUS AND METHOD WITH IMPROVED DATA TRANSFER

CANON MEDICAL SYSTEMS COR...


1. A magnetic resonance imaging apparatus, comprising:data acquisition circuitry configured to generate magnetic resonance data;
a digital encoder connected to receive the magnetic resonance data and configured to digitally encode the magnetic resonance data using an encoding scheme having a spectral null approximately at the Larmor frequency; and
an electric digital data transmission line connected to transmit the digitally encoded magnetic resonance data.

US Pat. No. 11,112,469

CONTROL OF A RADIO-FREQUENCY AMPLIFIER OF A MAGNETIC RESONANCE SYSTEM

Siemens Healthcare GmbH, ...


1. A method for control of a radio-frequency amplifier of a magnetic resonance system, the method comprising:determining a radio-frequency power to be output by the radio-frequency amplifier during an examination of a patient in the magnetic resonance system;
determining a maximum temperature in tissue of the patient as a function of the radio-frequency power using a Lambert W function; and
setting the radio-frequency amplifier as a function of the determined maximum temperature.

US Pat. No. 11,112,468

MAGNETORESISTIVE SENSOR ARRAY FOR MOLECULE DETECTION AND RELATED DETECTION SCHEMES

Western Digital Technolog...


1. A sensing device, comprising:at least one fluidic channel configured to receive a plurality of molecules to be detected, wherein at least some of the plurality of molecules to be detected are coupled to respective magnetic nanoparticles (MNPs);
a plurality of magnetoresistive (MR) sensors;
an insulating material encapsulating the plurality of MR sensors and for providing a barrier between the plurality of MR sensors and contents of the at least one fluidic channel; and
detection circuitry coupled to each of the plurality of MR sensors,
wherein:
a surface of the insulating material within the fluidic channel provides a plurality of sites for binding the plurality of molecules to be detected, the plurality of sites being located among the plurality of MR sensors, and
the detection circuitry is configured to detect a characteristic of a magnetic noise of each of the plurality of MR sensors, wherein the characteristic of the magnetic noise is influenced by a presence or absence of one or more MNPs at each of the plurality of sites.

US Pat. No. 11,112,467

MAGNETIC FIELD SENSOR CIRCUIT IN PACKAGE WITH MEANS TO ADD A SIGNAL FROM A COIL

Infineon Technologies AG


1. A magnetic field sensor system comprising:a magnetic field source configured to generate a first magnetic field, a second magnetic field, and an electric field;
a first magnetic sensor configured to measure the first magnetic field in a first frequency range and output a first sensor signal based on the measured first magnetic field;
a second magnetic sensor configured to measure the second magnetic field in a second frequency range and output a second sensor signal based on the measured second magnetic field;
a sensor circuit comprising a first input terminal and a second input terminal, the sensor circuit being electrically coupled to the first magnetic sensor and the first input terminal and the second input terminal being electrically coupled to the second magnetic sensor, the sensor circuit configured to receive the first sensor signal and the second sensor signal, and output a combined sensor signal derived from the first sensor signal and the second sensor signal;
a substrate comprising a first main surface and a second main surface arranged opposite to the first main surface; and
an electric shield disposed in the substrate, between the second magnetic sensor and the magnetic field source, the electric shield configured to shield at least the second magnetic sensor from the electric field generated by the magnetic field source,
wherein the second magnetic sensor is a differential inductance coil having a first winding and a second winding coupled together in a subtracting configuration, the first winding being configured to generate a first component of the second sensor signal and provide the first component to the first input terminal of the sensor circuit, the second winding being configured to generate a second component of the second sensor signal and provide the second component to the second input terminal of the sensor circuit.

US Pat. No. 11,112,466

EQUIPMENT FAILURE DETECTION IN AN ELECTRIC POWER SYSTEM

Schweitzer Engineering La...


1. A system to detect a failure in an electric power system, the system comprising:a communication interface to receive:a first indication related to a condition in the electric power system; and
a second indication related to the condition;

a test subsystem to:compare the first indication to the second indication;
determine a discrepancy between the first indication and the second indication;

a diagnostic subsystem to identify the failure based on the discrepancy between the first indication and the second indication; and
an alert subsystem to generate an alert based on the failure;
wherein:the first indication comprises an input to a protective relay;
the second indication comprises an output from the protective relay; and
the diagnostic subsystem identifies the failure based on a difference between the output from the protected relay and an expected output from the protective relay based on the input.


US Pat. No. 11,112,465

INTEGRATED CIRCUIT HAVING INSULATION MONITORING WITH FREQUENCY DISCRIMINATION

Allegro Microsystems, LLC...


1. An integrated circuit package, comprising:a first I/O pin configured to be coupled to an insulative material;
a second I/O pin configured to output an insulation fault signal; and
a monitoring module coupled to the first I/O pin, the monitoring module comprising a filter module and a current detection module configured to detect a leakage current on the first I/O pin corresponding to an injected signal into the insulative material by a signal source, the monitoring module further comprising an output module configured to output an active state on the insulation fault signal when the leakage current is greater than a given threshold.

US Pat. No. 11,112,464

SIGNAL OUTPUT DEVICE

DENSO CORPORATION, Kariy...


1. A signal output device comprising:a power supply terminal configured to be connected to a direct current (DC) power supply;
a ground terminal configured to be grounded;
an output terminal configured to be connected through a branch path to a voltage dividing point provided in a middle of a main path which is a current path connecting the power supply terminal and the ground terminal, and to transmit an output signal based on a voltage of the voltage dividing point to an outside;
a signal generation circuit configured to adjust the voltage of the voltage dividing point and to generate the output signal;
a short circuit detection circuit configured to be provided on at least one of an upper path which is a path between the power supply terminal and the voltage dividing point in the main path, a lower path which is a path between the voltage dividing point and the ground terminal in the main path, and the branch path, and to detect a short circuit between the output terminal and another terminal when a current flowing in the branch path is greater than a short circuit detection threshold that is predetermined; and
a switching circuit configured to switch a current carrying capacity or a configuration of the signal generation circuit to limit a short circuit current flowing in the branch path when the short circuit detection circuit detects the short circuit, wherein
the short circuit current is set to a value equal to or greater than the short circuit detection threshold and less than a current upper limit value based on a supply capacity of the DC power supply.

US Pat. No. 11,112,463

INTEGRATED BATTERY SENSOR FOR MULTIPLE BATTERY MODULES

CPS TECHNOLOGY HOLDINGS L...


1. An automotive battery system, comprising:a lead acid battery module configured to couple to an electrical system; and
a lithium ion battery module electrically coupled in parallel with the lead acid battery module, the lithium ion battery module comprising:a first terminal corresponding to a positive voltage;
a second terminal and a third terminal corresponding to negative voltages, the second terminal being separate from the third terminal;
a resistor, the resistor being directly electrically coupled between the second terminal and the third terminal, and the second terminal being directly electrically coupled to a fourth terminal disposed on the lead acid battery module such that a voltage signal across the resistor is associated with a voltage of the lead acid battery module, the fourth terminal corresponding to a negative voltage; and
a control system, the control system being configured to:receive the voltage signal associated with the resistor and associated with the voltage of the lead acid battery module; and
determine at least one of a state of charge (SOC) and a state of health (SOH) associated with the lead acid battery module based at least in part on the voltage signal.



US Pat. No. 11,112,462

ON-BOARD TIME-INDEPENDENT BATTERY USAGE DATA STORAGE

FCA US LLC, Auburn Hills...


1. A method of more efficiently storing battery usage data in a non-volatile memory of a vehicle having an electrified powertrain that includes a battery and a battery management system that periodically collects the battery usage data at points in a use period, the battery usage data including state of charge data indicative of a state of charge of the battery at the points in the use period, and current data indicative of current flowing into or from the battery at the points in the use period, the non-volatile memory having a three-dimensional storage matrix therein with each location of the three-dimensional storage matrix storing a count, the method comprising:after the use period, having an electronic control unit of the vehicle:a. identify battery charge-discharge full cycles of the battery during the use period based on the state of charge data; and
b. for each identified charge-discharge full cycle:i. determine from the state of charge data an average state of charge for that identified charge-discharge full cycle;
ii. determine from the state of charge a depth of discharge for that identified charge-discharge full cycle;
iii. determine from the current data average current flow rate for that identified charge-discharge full cycle;
iv. determine for that identified cycle a location in the three-dimensional matrix to increment that corresponds to the determined average state of charge for that identified charge-discharge full cycle, determined depth of discharge for that identified charge-discharge full cycle, and determined average current flow rate for that identified charge-discharge full cycle; and
v. increment the count in the determined location by a full increment.



US Pat. No. 11,112,461

METHOD FOR ESTIMATING STATE OF CHARGE OF ENERGY STORAGE DEVICE

LG CHEM, LTD., Seoul (KR...


1. A method for estimating a state of charge (SOC) of an energy storage system (ESS), the method comprising:a first step of measuring a current, voltage, and temperature of the energy storage system;
a second step of determining a charge/discharge state on the basis of the current and voltage measured in the first step;
a third step of deriving a state of charge (SOC) parameter according to the charge state or discharge state determined in the second step; and
a fourth step of estimating the state of charge (SOC) of the energy storage system on the basis of the state of charge (SOC) parameter derived in the third step,
wherein the third step of deriving the state of charge (SOC) parameter includes:modeling the energy storage system using an R-C circuit; and
deriving the state of charge (SOC) parameter using the following equations:






andwherein R1 and C1 are polarization components, w1(t) is a value for compensating for a measurement error, R0 is an internal resistance component of the energy storage system, i(t) is a current measured in the R-C circuit at a time (t), and V1 denotes a polarization voltage, and v(t) is a value for compensating for a measurement error.

US Pat. No. 11,112,460

LITHIUM BATTERY PASSIVATION DETECTION

JOHNSON CONTROLS FIRE PRO...


1. A method for determining lithium battery passivation by a detection circuit coupled with the lithium battery, comprising:applying a load across the lithium battery to begin a test interval;
obtaining periodic voltage measurements of the lithium battery during the test interval;
determining a state of the lithium battery is a passivation state in response to a voltage change between two of the periodic voltage measurements being greater than or equal to a threshold;
determining the state of the lithium battery is a depletion state in response to the voltage change between the two of the periodic voltage measurements being less than the threshold;
selecting and performing a depassivation process of the lithium battery from a plurality of depassivation processes in response to determining the state to be the passivation state, wherein the depassivation process is selected based on a degree of the passivation state; and
sending a notification of the lithium battery being depleted in response to determining the state to be the depletion state.

US Pat. No. 11,112,459

SCAN BASED TEST DESIGN IN SERDES APPLICATIONS

Credo Technology Group Lt...


1. A testing method that comprises:receiving an input bit stream via an input pin of a serializer/deserializer (SerDes) port of a device under test (DUT), the input bit stream including interleaved test patterns;
demultiplexing the input bit stream to concurrently provide a de-interleaved test pattern to each of multiple scan chains in the DUT;
processing the de-interleaved test patterns from the multiple scan chains to obtain test results that are stored by the multiple scan chains;
multiplexing the test results from each of the multiple scan chains to provide an output bit stream having interleaved test results, the multiplexing including:prepending pre-frame bits to the test results from each scan chain;
interleaving the pre-frame bits to form a start frame delimiter that indicates a beginning of a test result frame; and
interleaving the test results in a bitwise fashion to form a payload for the test result frame; and

transmitting the output bit stream via an output pin of the SerDes port.

US Pat. No. 11,112,458

TESTING AN INTEGRATED CIRCUIT HAVING CONSERVATIVE REVERSIBLE LOGIC

NXP B.V., San Jose, CA (...


1. An integrated circuit device comprising:enhanced flip flop circuits, each enhanced flip flop circuit including:a multiplexer having a first input, a second input, an output and a control input coupled to a restore signal;
a first flip flop circuit activated by a clock pulse and including an input coupled to the output of the multiplexer, and an output;
a second flip flop circuit activated by a test_mode signal and including an input coupled to the output of the first flip flop circuit and an output coupled to the first input of the multiplexer;
an output from each of the enhanced flip flop circuits is coupled to the output of the first flip flop circuit;

combinatorial logic circuitry including inputs and outputs, each of the inputs of the combinatorial logic coupled to a corresponding output from one of the enhanced flip flop circuits during a non-test mode and to a test value signal during a test mode, and each of the outputs of the combinatorial logic coupled to the second input of the corresponding one of the enhanced flip flop circuits, wherein the combinatorial logic is reversible by having the same number of outputs as inputs and a bijective transfer function from the inputs to the outputs of the combinatorial logic circuitry, and conservative by having the same number of signals in a logic one state at the outputs and the inputs.

US Pat. No. 11,112,457

DYNAMIC WEIGHT SELECTION PROCESS FOR LOGIC BUILT-IN SELF TEST

International Business Ma...


1. A method for testing a logic circuit of a semiconductor chip, the method comprising:determining a plurality of logic chains of the logic circuit, wherein the logic chains are scan chains;
generating one or more weighted bit chains for testing a first subset of the plurality of logic chains, wherein the one or more weighted bit chains are a series of weighted pseudo-random test patterns;
determining an alternate weighted bit chain for testing a second subset of the plurality of logic chains, and selecting the alternate weighted bit chain wherein the alternate weighted bit chain is a different set/series of the one or more weighted bit chains and wherein the alternate weighted bit chain is selected from a group consisting of: i) determining proportion of fault coverage and ii) fault observation probability;
executing a logic built-in self test to perform:testing the first subset of the plurality of logic chains based on the weighted bit chain;
testing the second subset of the plurality of logic chains based on the alternate weighted bit chain.


US Pat. No. 11,112,456

SIGNAL SKEW MEASUREMENT METHOD, APPARATUS, MEDIUM, AND ELECTRONIC DEVICE

Changxin Memory Technolog...


1. A signal skew measurement method for an integrated circuit (IC), comprising:acquiring a first signal and a second signal output by the IC, and respectively performing under-sampling on the first signal and the second signal to obtain a first sampled signal and a second sampled signal;
respectively performing digital conversion on the first sampled signal and the second sampled signal based on a preset threshold voltage to obtain a first digital signal and a second digital signal;
respectively performing convolution on the first digital signal and the second digital signal using a preset pulse signal to obtain a first comparison signal and a second comparison signal; and
calculating a skew between the first comparison signal and the second comparison signal to obtain a reference skew, calculating a product of the reference skew and an effective sampling period, and assigning the product to the skew between the first signal and the second signal.

US Pat. No. 11,112,455

BUILT-IN SELF-TEST CIRCUITS AND RELATED METHODS

TEXAS INSTRUMENTS INCORPO...


1. A built-in self-test (BIST) circuit, comprising:a state machine having an enable input, having an alert output, having a gate voltage control output adapted to be coupled to a gate of a power transistor, and having a source voltage input adapted to be coupled to the source of the power transistor, the state machine having states to:
generate a gate control signal on the gate voltage control output to reduce a gate voltage associated with the power transistor from a first voltage to a second voltage when an enable signal is asserted on the enable input, the power transistor to be enabled at the first voltage and the second voltage; and
assert an alert signal on the alert output when a gate-to-source voltage associated with the power transistor satisfies a threshold when the gate voltage is reduced to the second voltage.

US Pat. No. 11,112,454

ANTENNA-COUPLED RADIO FREQUENCY (RF) PROBE WITH A REPLACEABLE TIP

Ohio State Innovation Fou...


1. An antenna-coupled radio frequency (RF) probe with a replaceable tip comprising:a probe tip;
one or more transmission lines connected to the probe tip;
one or more antenna connected to the one or more transmission lines; and
a probe body, wherein the probe body comprises at least a focusing device, wherein the focusing device focuses signals received by the focusing device such that they are routed to a desired location,
wherein at least one of the one or more antenna comprise one or more direct-current (DC) bias pads, wherein the DC bias pads of the one or more antenna allow for direct current injection bias to be applied to a device under test.

US Pat. No. 11,112,453

SELF TESTING FAULT CIRCUIT APPARATUS AND METHOD

Leviton Manufacturing Com...


1. A self-testing fault circuit interrupter device comprising:a) a fault circuit comprising:i) a line monitoring circuit;
ii) a line interrupting circuit comprising contacts; and
iii) a fault detector circuit which is configured to selectively operate the line interrupting circuit when a fault is detected from the line monitoring circuit;

b) a self-test circuit including a microcontroller, the self-test circuit configured to conduct a self-test on the fault circuit;
c) a timing circuit configured to control a duration of an output of the fault detector circuit.

US Pat. No. 11,112,452

IC TRAY AND TEST JIG

Kabushiki Kaisha Toshiba,...


1. A test jig comprising:an IC tray mounting thereon IC packages to be tested;
a test board that includes support tables and electrode pads, the support tables being provided with test pins to be in contact with terminals of the IC packages mounted on the IC tray, the electrode pads being connected to the test pins through wiring lines; and
a tray transfer mechanism configured to grip the IC tray while pressing through a pad a first face of the IC tray on which the IC packages are to be mounted, and to transfer the IC tray to the test board, wherein
the IC tray includesa plurality of through-holes provided at a pitch equal to a pitch of terminals of the IC packages, and
IC package mounting places on which the IC packages are to be mounted, and

the through-holes are provided in the IC package mounting places correspondingly to arrangement positions of the terminals of the IC packages, and
a plurality of test pins of the test board used for an electrical test to one of the IC packages are provided correspondingly to the IC package mounting places.

US Pat. No. 11,112,451

TEST METHOD FOR SEMICONDUCTOR DEVICES AND A TEST SYSTEM FOR SEMICONDUCTOR DEVICES

SAMSUNG ELECTRONICS CO., ...


1. A test method for a semiconductor device, comprising:loading a test tray having semiconductor devices of first and second lots arranged thereon into a test chamber;
storing lot information of each of the semiconductor devices;
performing a test program on each of the semiconductor devices of each of the first and second lots, wherein the first and second lots are tested together;
obtaining ID information of each of the semiconductor devices;
matching the ID information with the lot information to generate lot sorting information; and
sorting the semiconductor devices based on results of the test program and the lot sorting information.