US Pat. No. 10,656,442

SEMICONDUCTOR DEVICE AND METHOD OF MANUFACTURING SAME

Renesas Electronics Corpo...

1. A semiconductor device comprising:a first optical waveguide formed over a substrate via a first insulating film and comprised of a first semiconductor film extending in a first direction along an upper surface of the first insulating film;
an interlayer insulating film formed over the first insulating film and covering the first optical waveguide;
a first heater formed in the interlayer insulating film directly above the first optical waveguide while being separated from the first optical waveguide; and
a heat conducting portion adjacent to the first optical waveguide and the first heater via the interlayer insulating film in a second direction orthogonal to the first direction and penetrating the interlayer insulating film from the upper surface to the lower surface thereof,
wherein the heat conducting portion has a thermal conductivity greater than that of the interlayer insulating film and the first insulating film,
wherein the heat conducting portion does not configure a circuit, and
wherein the first heater and the heat conducting portion have therebetween a void in the second direction.

US Pat. No. 10,656,441

OPTICAL MODULATOR HAVING A PLURALITY OF MODULATOR SEGMENTS

Elenion Technologies, LLC...

1. A modulator apparatus comprising:a plurality of optical modulator segments configured to modulate a carrier wave propagating therethrough; and,
a plurality of segment drivers coupled to the plurality of optical modulator segments for driving thereof responsive to an input electrical signal, the plurality of segment drivers configured to drive at least two of the optical modulator segments in accordance with differing limiting voltage transfer functions.

US Pat. No. 10,656,440

FIBER OPTICAL BEAM DELIVERY DEVICE PRODUCING OUTPUT EXHIBITING INTENSITY DISTRIBUTION PROFILE HAVING NON-ZERO ELLIPTICITY

nLIGHT, Inc., Vancouver,...

1. An optical beam delivery device formed of optical fibers configured to produce an output exhibiting an intensity distribution profile having non-zero ellipticity, comprising:a first length of fiber through which an incident optical beam having beam characteristics propagates and which has a first refractive index profile (RIP), the first RIP enabling, in response to an applied perturbation, modification of the beam characteristics of the optical beam to form an adjusted beam having modified beam characteristics relative to the beam characteristics of the optical beam; and
a second length of fiber functionally directly coupled through a fiber-coupling interface with the first length of fiber, the second length of fiber formed with multiple confinement regions defining a second RIP and arranged to confine at least a portion of the adjusted beam to generate, at an output of the second length of fiber, an intensity distribution profile having non-zero ellipticity.

US Pat. No. 10,656,439

LENSES WITH IMPROVED MANAGEMENT OF DISTORTION

Essilor International, C...

1. An ophthalmic lens configured to correct a wearer's eye vision in compliance with a desired value of optical power and/or a desired value of astigmatism, wherein the wearer's eye is non presbyopic, wherein the ophthalmic lens comprises:an eye-side surface positioned closest to the wearer's eye when the ophthalmic lens is worn by the wearer in given wearing conditions;
an object-side surface positioned opposite to the eye-side surface in the wearing conditions;
a first optical portion through the lens defined by both the eye-side surface and the object-side surface having in the wearing conditions a first optical power P1;
a second optical portion through the lens defined by both the eye-side surface and the object-side surface having in the wearing conditions a second optical power P2;
a first zone on the object-side surface, the first zone corresponding in the wearing conditions to the object-side surface portion of the first optical portion, the first zone having a mean curvature value MCURV1;
a second zone on the object-side surface, the second zone corresponding in the wearing conditions to the object-side surface portion of the second optical portion, the second zone having a mean curvature value MCURV2;
wherein P1 wherein
the second optical portion is mainly located in a central, temporal, bottom or top part of the lens and the first optical portion is mainly located in a nasal part of the lens, or, in the alternative,
the second optical portion is mainly located in a temporal, bottom or top part of the lens and the first optical portion is mainly located in a central part of the lens,
wherein the ophthalmic lens provides at least a first effective portion of stabilized optical power wherein the value of optical power does not deviate by more than +/?0.120 diopters from the value of desired optical power, and wherein the first effective portion corresponds in the wearing conditions to a first area of the object-side surface, wherein the first area comprises a disk of at least a 6 mm diameter.

US Pat. No. 10,656,438

SMART CONTACT LENS AND LIGHT-TRANSMITTING BODY THEREOF

MATAVIEW PHOTOLOGY CO. LT...

1. A smart contact lens, comprising:a light-transmitting body having a first view window and a second view window surrounding the first view window;
a control module received inside the light-transmitting body;
an image-sensing module including a plurality of image-sensing chips received inside the light-transmitting body and electrically connected to the control module, wherein the image-sensing chip diverges from the second view window by a first predetermined horizontal distance;
an image display module including a plurality of image display chips received inside the light-transmitting body and electrically connected to the control module, wherein the image display chip diverges from the first view window by a second predetermined horizontal distance;
a wireless transmission module received inside the light-transmitting body and electrically connected to the control module;
a bio-sensing module including at least one bio sensor chip received inside the light-transmitting body and electrically connected to the control module; and
a power supply module received inside the light-transmitting body and electrically connected to the control module;
wherein the light-transmitting body has a first transmission path and a second transmission path, the first transmission path is formed in the light-transmitting body and between the second view window and the image-sensing module, the second transmission path is formed in the light-transmitting body and between the first view window and the image display module, and an external image source is transmitted to the light-transmitting body through the first view window and the second view window, respectively;
wherein the external image source that has been received by the first view window directly passes through the light-transmitting body and then is projected onto an eyeball, the external image source that has been received by the second view window is transmitted to the image-sensing chips of the image-sensing module through the first transmission path, and an internal image source generated by cooperation of the image display chips of the image display module is transmitted to the eyeball through the second transmission path.

US Pat. No. 10,656,437

OPTICAL LENS WITH HALO REDUCTION

Brien Holden Vision Insti...

1. A method for use in reducing a size of halo effect in an ophthalmic lens, the method comprising:providing data indicative of a given ophthalmic lens with a first pattern providing prescribed vision improvement, the first pattern comprising spaced apart features for a given side of the ophthalmic lens and providing varying optical properties across the first pattern, the first pattern being substantially non-diffractive with regard to wavelengths of visible light and configured to extend a depth of focus of the ophthalmic lens, the spaced apart features of the first pattern comprising at least one of spaced apart protrusions and spaced apart regions of varying refractive index,
processing said data indicative of the features of the first pattern and generating data indicative of a variation of at least one feature of the first pattern resulting in a second pattern for a same area of the given side of the ophthalmic lens as the first pattern which maintains said prescribed vision improvement and reduces a size of halo effect as compared to that of the ophthalmic lens with the first pattern, wherein the second pattern alters a periodicity of the first pattern; and
providing the ophthalmic lens with the second pattern at the given side of the ophthalmic lens.

US Pat. No. 10,656,435

SYSTEM FOR IMAGING IN THE AIR

FUTURUS TECHNOLOGY CO., L...

1. A system for imaging in the air, comprising:an image source,
a transflector,
a first retroreflective element, and
a second retroreflective element,
wherein an orthographic projection of the first retroreflective element on a plane where the transflector is located and an orthographic projection of the second retroreflective element on the plane where the transflector is located are overlapped;
a plurality of light rays emitted by the image source are directly irradiated on the transflector and reflected by the transflector to irradiate on the first retroreflective element, and the plurality of light rays, which are irradiated on the first retroreflective element, are subjected to reflection on the first retroreflective element to propagate along an original incident path in an opposite direction, and be directly incident onto the transflector, and then to be transmitted through the transflector to form a first real image at a viewing side of the system;
an orthographic projection of the first retroreflective element on the plane where the transflector is located at least partially overlaps the transflector; and
additionally, the plurality of light rays emitted by the image source are directly irradiated on the transflector and transmitted through the transflector to irradiate on the second retroreflective element, and the plurality of light rays, which are irradiated on the second retroreflective element, are subjected to reflection on the second retroreflective element to propagate along an original incident path in an opposite direction and be directly incident on the transflector, and then the plurality of light rays, which are incident on the transflector, are reflected by the transflector to form a second real image at the viewing side of the system.

US Pat. No. 10,656,434

DISPLAY DEVICE WITH TWO DISPLAY PANELS

HannStar Display (Nanjing...

1. A display device, comprising:a first display panel, comprising:
a first polarizer, a first substrate, a second substrate and a plurality of first pixel structures, wherein the first substrate is disposed between the first polarizer and the second substrate, and the first pixel structures have a first pixel pitch; and
a second display panel, comprising:
a third substrate, a fourth substrate, a second polarizer and a plurality of second pixel structures, wherein the fourth substrate is disposed between the third substrate and the second polarizer, the third substrate is disposed between the second substrate and the fourth substrate, and the second pixel structures have a second pixel pitch, wherein
the first polarizer has a thickness d1 and a refractive index n1;
the first substrate has a thickness d2 and a refractive index n2;
the second substrate has a thickness d3 and a refractive index n3; and
the third substrate has a thickness d6 and a refractive index n6;
a moiré pitch of a moiré pattern generated by the display device is calculated according to the following relationships:

wherein m and n are positive integers, L represents a viewing distance between a user and the first display panel, K represents a distance between the first display panel and the second display panel, Ptop represents the first pixel pitch, Pbottom represents the second pixel pitch, nL represents a refractive index of a medium between the user and the first display panel, nK represents a refractive index of a medium between the first display panel and the second display panel,
wherein for each set of (m,n) in a range of m+n?9, the moiré pitch is less than 500 micrometer.

US Pat. No. 10,656,433

METHOD AND APPARATUS FOR VIEWING AN IMAGE

INTERDIGITAL CE PATENT HO...

1. A method for controlling shutter glasses in order to view an image on a display screen through said shutter glasses, said image being wider or higher than the display screen, said image being divided into only two portions, called first and second portions, said first and second portions being displayed alternately on a display screen, the method comprising:receiving a message indicating display of the first portion of the image;
turning dark the shutter glasses and turning refraction direction of the shutter glasses towards a first position responsive to the message;
turning transparent the shutter glasses;
receiving another message indicating display of the second portion of the image;
turning dark of the shutter glasses and turning refraction direction of the shutter glasses towards a second position responsive to the another message; and
turning transparent of the shutter glasses,
wherein the turning refraction direction in the first position and the turning refraction direction in the second position cause displays of the first portion and of the second portion through said shutter glasses at the first position and at the second position.

US Pat. No. 10,656,432

LENS MOVING APPARATUS

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

1. A lens moving apparatus, comprising:a housing supporting a first magnet;
a support member, which is disposed over one side surface of the housing, and which supports the housing such that the housing is movable in second and/or third directions, which are perpendicular to a first direction;
a coil, which is disposed over the housing and which generates electromagnetic force to move the support member in the second and/or third directions;
a printed circuit board disposed over the coil, the printed circuit board including at least one first terminal member;
an upper elastic member disposed between the coil and the housing; and
a lower elastic member disposed under the housing, the lower elastic member including at least one second terminal member,
wherein the first terminal member of the printed circuit board includes a cutout provided at a location corresponding to the second terminal member such that a second terminal portion of the second terminal member is inhibited from interfering with the printed circuit board.

US Pat. No. 10,656,431

OPTICAL DEVICE

TDK TAIWAN CORP., Yangme...

1. An optical device, comprising:a main base;
a rotation mechanism connected to the main base;
a carrying base connected to the rotation mechanism; and
an optical element disposed on the carrying base, and configured to change a transmission direction of incident light;
wherein the carrying base is rotated relative to the main base about a first rotation axis by changing a length of a bias wire of the rotation mechanism;
wherein the rotation mechanism further comprises an elastic element connected to the main base and the carrying base, and the bias wire surrounds the elastic element;
wherein the elastic element comprises:
an elastic body disposed on the carrying base;
an elastic arm connected to the elastic body; and
a movable portion disposed on the elastic arm;
wherein the bias wire is in contact with the movable portion, and when the length of the bias wire becomes shorter, the bias wire moves the movable portion so as to rotate the elastic body.

US Pat. No. 10,656,430

STEREOSCOPIC DISPLAY DEVICE HAVING A BARRIER PANEL

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

1. A stereoscopic display device, comprising:a display driver driving a display panel;
a barrier panel on the display panel, the barrier panel including a plurality of channels;
a barrier driver controlling the channels of the barrier panel; and
a viewing distance detector detecting a viewing distance of a viewer,
wherein the barrier panel includes barrier regions and trigger regions between the barrier regions,
each of the barrier regions includes a barrier blocking region and a barrier transmitting region having the same size as the barrier blocking region,
each of the trigger regions includes a trigger blocking region and a trigger transmitting region, and
wherein a pair of the trigger regions symmetrical with respect to a center of the barrier panel includes channels having intermediate gray value between the trigger blocking region and the trigger transmitting region, when the viewing distance is out of the initial proper range.

US Pat. No. 10,656,429

WAVELENGTH BEAM COMBINING LASER SYSTEMS UTILIZING PRISMS FOR BEAM QUALITY IMPROVEMENT AND BANDWIDTH REDUCTION

TERADIODE, INC., Wilming...

1. A method of wavelength beam combining a plurality of beams having different wavelengths, the method comprising:emitting the plurality of beams with a beam emitter;
focusing the plurality of beams toward a dispersive element;
expanding a size of the beams upstream of the dispersive element;
wavelength-dispersing the beams with the dispersive element;
propagating a first portion of the dispersed beams to the beam emitter as feedback; and
transmitting a second portion of the dispersed beams as a multi-wavelength output beam.

US Pat. No. 10,656,428

DUAL VIEW DISPLAY DEVICE

BOE Technology Group Co.,...

1. A dual view display device, comprising:a display panel comprising a plurality of first display regions and a plurality of second display regions, each of the first display regions and each of the second display regions being alternately arranged along an arbitrary direction of the display panel, the plurality of first display regions being configured for displaying a first image, and the plurality of second display regions being configured for displaying a second image;
a parallax barrier disposed on a light emitting side of the display panel and comprising a plurality of light-transmitting regions and a plurality of light-shielding regions, each of the light-transmitting regions and each of the light-shielding regions being alternately arranged along the arbitrary direction of the display panel; and
a light refracting element,
wherein the light refracting element is provided on a side of at least one of light-transmitting regions which is away from the display panel, the light refracting element at least overlays the at least one of light-transmitting regions,
wherein the light refracting element comprises a triangular prism, and the triangular prism is tapered, and a width of the triangular prism in a direction parallel to the display panel gradually reduces along a direction from the display panel to the parallax barrier, and
wherein a vertex angle d of the triangular prism satisfies the following equations:

wherein VA is a viewing angle of the dual view display device, CA is a cross-talking angle of a central cross-talking region of the dual view display device, a is the width of the light-transmitting region, p is a width of each pixel of the display panel, m is a width of a black matrix of the display panel, d is the vertex angle of the triangular prism, h is a distance between the parallax barrier and the display panel, n is a refractive index of the light refracting element, and the vertex angle of the triangular prism is an angle that allows the cross-talking angle to be minimum.

US Pat. No. 10,656,427

MULTICORE FIBER-COUPLED OPTICAL PROBING TECHNIQUES

nLIGHT, Inc., Vancouver,...

1. An optical beam delivery device configured to establish, from an optical beam, an optical trap that is moveable to different optical trap locations, the optical beam delivery device comprising:a first length of fiber having a first refractive index profile (RIP) for propagation of the optical beam along a propagation path, the first RIP enabling, in response to an applied perturbation, modification of the propagation path to form an adjusted optical beam that is movable to propagate along different propagation paths in response to different states of the applied perturbation; and
a second length of fiber functionally directly coupled through a fiber-coupling interface with the first length of fiber and having multiple spaced-apart, non-coaxial confinement cores defining a second RIP, the confinement cores occupying different positions in, and corresponding to different optical trap locations at an output of, the second length of fiber such that, in response to a selected state of the different states of the applied perturbation, at least a portion of the adjusted optical beam is directed to a position of a selected corresponding one of the confinement cores and thereby provides at the output of the second length of fiber a corresponding one of the different optical trap locations.

US Pat. No. 10,656,426

GRATING WAVEGUIDE COMBINER FOR OPTICAL ENGINE

North Inc., Kitchener, O...

4. An optical engine, comprising:a base substrate;
a plurality of laser diodes, each of the plurality of laser diodes bonded directly or indirectly to the base substrate;
at least one laser diode driver circuit operatively coupled to the plurality of laser diodes to selectively drive current to the plurality of laser diodes;
a plurality of collimation lenses, each of the plurality of collimation lenses positioned proximate a respective one of the plurality of laser diodes collimates light emitted therefrom;
a cap comprising at least one wall and at least one optical window that, together with the base substrate, define an interior volume sized and dimensioned to receive at least the plurality of laser diodes and the plurality of collimation lenses, the cap being bonded to the base substrate to provide a hermetic or partially hermetic seal between the interior volume of the cap and a volume exterior to the cap, and the optical window positioned and oriented to allow beams of light emitted from the plurality of laser diodes through the collimation lenses to exit the interior volume; and
a grating waveguide combiner positioned proximate the optical window of the cap, the grating waveguide combiner comprising a plurality of input grating couplers and at least one output grating coupler, in operation, the grating waveguide combiner receives a plurality of beams of light at the respective plurality of input grating couplers and combines the plurality of beams of light to provide a collimated aggregated beam of light at the output grating coupler.

US Pat. No. 10,656,425

VIRTUAL REALITY EXPERIENCE DEVICE

DATAKING. INC, Seoul (KR...

1. A virtual reality experience device comprising:a base;
a frame supported on the base and extending with respect to a z-axis; and
a display module disposed in the frame and configured to play back a virtual reality video,
wherein the base includes a main body fixed to the ground and a treadmill disposed on the base so as to be rotatable about the z-axis, the frame and the display module operate in conjunction with rotation of the treadmill about the z-axis, and a viewpoint of the virtual reality video is changed in synchronization with rotation of the display module about the z-axis, and
wherein the treadmill has a guide hole or a guide groove formed in an outer circumferential surface thereof in a circumferential direction with respect to the z-axis, the main body has a stopper received in the guide hole or the guide groove, the guide hole or the guide groove has a rotation angle of less than 360 degrees, and a radius of rotation of the treadmill is determined based on the rotation angle of the guide hole or the guide groove.

US Pat. No. 10,656,423

HEAD MOUNTED DISPLAY APPARATUS

Samsung Electronics Co., ...

1. A head mounted display, the head mounted display comprising:a display configured to emit an X-polarized ray;
a lens for making the X-polarized ray emitted from the display a parallel ray;
a first diffraction element for transmitting or diffracting a ray received from the lens;
a quarter wave plate for transmitting the parallel ray transmitted from the first diffraction element;
an active element configured to converge the parallel ray that passed through the quarter wave plate and diverge the ray;
a light guide plate through which the ray diverged from the active element and the ray diffracted at the first diffraction element pass; and
a second diffraction element for diffracting the ray that passed through the light guide plate and forming an image on a user's retina.

US Pat. No. 10,656,422

HEAD-MOUNTED DISPLAY AND IMAGE DISPLAY DEVICE

SEIKO EPSON CORPORATION, ...

1. A head-mounted display comprising:a laser source unit configured to emit a laser beam;
a light scanner configured to perform scanning with the laser beam emitted from the laser source unit;
an optical attenuator disposed in an optical path between the laser source unit and the light scanner, the optical attenuator being configured to attenuate a passing laser beam and shift an optical path of the passing laser beam by utilizing a refractive effect to guide the laser beam toward a mirror surface of the light scanner, wherein
the optical attenuator includes a first optical attenuator and a second optical attenuator; and
a light reflecting mirror configured to bend the laser beam passing through the first optical attenuator to guide the laser beam toward the second optical attenuator.

US Pat. No. 10,656,421

LIGHTGUIDE STRUCTURE, OPTICAL DEVICE AND IMAGING SYSTEM

SAMSUNG ELECTRONICS CO., ...

1. A lightguide structure comprising:a first portion configured to receive light rays emitted by an external display;
a second portion configured to output the light rays from the first portion and ambient light incident on the second portion; and
an intermediate portion disposed between the first portion and the second portion, and configured to reflect the light rays from the first portion and transfer the light rays to the second portion,
wherein the second portion comprises:
a plurality of first surfaces connected to each other and forming a stepped structure, the plurality of first surfaces being configured to reflect the light rays from the first portion; and
at least one second surface configured to output the ambient light and the light rays reflected from the plurality of first surfaces,
wherein the plurality of first surfaces comprise a plurality of inclined surfaces that are inclined with respect to the at least one second surface and at least one parallel surface located between the inclined surfaces, the at least one parallel surface being substantially parallel to the at least one second surface, and
wherein a top plane surface of the intermediate portion and a bottom plane surface of the intermediate portion are inclined at a same angle, respectively, relative to a second surface among the at least one second surface of the second portion adjacent to the bottom plane surface of the intermediate portion.

US Pat. No. 10,656,420

SPECTACLE LENS FOR A DISPLAY DEVICE THAT CAN BE FITTED ON THE HEAD OF A USER AND GENERATES AN IMAGE, AND DISPLAY DEVICE WITH SUCH A SPECTACLE LENS

tooz technologies GmbH, ...

1. A spectacle lens for a display device that can be fitted on the head of a user and generate an image, comprising:a front side and a rear side, wherein at least one of the front side and the rear side are curved, and as seen in top view onto the spectacle lens, a coupling-in section in an edge area of the spectacle lens and a coupling-out section in a central area of the spectacle lens,
wherein the spectacle lens couples light bundles of pixels of the generated image into the spectacle lens via the coupling-in section, guides the light bundles of pixels in the spectacle lens via total internal reflection at the rear and front sides to the coupling-out section and couples the light bundles of pixels out of the spectacle lens via the coupling-out section,
wherein, during the coupling-in, the coupling-in section divides at least one of the light bundles in each case into several first sub-bundles and couples the first sub-bundles into the spectacle lens offset from each other in a first direction in such that the first sub-bundles are guided in the spectacle lens to the coupling-out section along a second direction running transverse with respect to the first direction,
wherein, during the coupling-out, the coupling-out section divides at least one of the first sub-bundles in each case into several second sub-bundles and couples the second sub-bundles out of the spectacle lens offset from each other in the second direction,
wherein the coupling-in section comprises a grating and the coupling-out section comprises a grating, and
wherein the grating of the coupling-out section is configured such that a coupling-out event occurs, depending on the position of the associated pixel, only at a position on the grating of the coupling-out section that leads to a coupled-out second sub-bundle that can be perceived by the user.

US Pat. No. 10,656,418

DISPLAY APPARATUS, HEAD-UP DISPLAY SYSTEM, VEHICLE AND DISPLAY CONTROL METHOD

BOE TECHNOLOGY GROUP CO.,...

1. A display apparatus, comprising:a light-emitting component configured to emit light;
a controller electrically connected to a digital micro-mirror device, wherein the controller is configured to alternately output a first image signal and a second image signal to the digital micro-mirror device;
the digital micro-mirror device disposed on a light path of the light emitted by the light-emitting component, wherein the digital micro-mirror device includes a plurality of micro-lenses, each micro-lens is capable of reflecting the light emitted by the light-emitting component, the digital micro-mirror device is configured such that in response to receiving the first image signal, at least one micro-lens is rotated to a respective first preset position, and that in response to receiving the second image signal, at least one micro-lens is rotated to a respective second preset position;
a first projection assembly configured to receive light reflected by the at least one micro-lens located at the respective first preset position and output a first image; and
a second projection assembly configured to receive light reflected by the at least one micro-lens located at the respective second preset position and output a second image, wherein
the controller is further configured to block the light reflected by the at least one micro-lens located at the respective second preset position from entering the second projection assembly during the output of the first image, and to block the light reflected by the at least one micro-lens located at the respective first preset position from entering the first projection assembly during the output of the second image.

US Pat. No. 10,656,417

HEADS-UP DISPLAY DEVICE

PANASONIC INTELLECTUAL PR...

1. A head-up display device comprising:a projector that projects light;
a mirror that reflects the light projected from the projector, and has a first side and a second side on a reverse side of the mirror from the first side;
a combiner which receives the light reflected by the mirror;
a housing that includes an opening region through which the light reflected by the mirror passes when the combiner receives the reflected light, and houses the projector and the mirror; and
a cover including a first cover member and a second cover member, and covering the opening region,
wherein the first cover member is rotationally movable with respect to the housing around a first rotation fulcrum fixed to the housing, and includes a first end part and a second end part on a same side with respect to the first rotation fulcrum,
the second cover member is rotationally movable with respect to the first cover member around second rotation fulcrums respectively fixed to the first end part and the second end part,
the second cover member includes a first side that is located closest to the first rotation fulcrum and faces the first cover member when the first cover member and the second cover member cover the opening region, and
when the first cover member turns with respect to the housing and the second cover member turns with respect to the first cover member, the first end part is located on an outer side than the first side of the mirror, the second end part is located at an outer side than the second side of the mirror, and the second cover member is not present in an optical path of the light projected from the projector to the mirror.

US Pat. No. 10,656,416

DISPLAY DEVICE AND AUTOMOTIVE HEAD-UP DISPLAY SYSTEM WITH ORDINARY WINDSHIELD USING THE SAME

1. An automotive head-up display system using an ordinary windshield, comprisingan ordinary windshield joined with an automobile body of an automobile and having an inner surface and an outer surface, wherein a distance between the inner surface and the outer surface is the same across the ordinary windshield, and wherein the inner surface and the outer surface are free of coating and optical film; and
a display device including
an image source disposed inside the automobile body and generating an imaging light; and
an optical imaging module disposed at a light-output side of the image source and including at least one concave mirror, wherein the concave mirror reflects the imaging light to the ordinary windshield, and wherein the inner surface and the outer surface of the ordinary windshield reflect the imaging light to a driver to form a first virtual image and a second virtual image, and wherein a distance between the driver and the first virtual image is greater than or equal to a virtual image distance, and wherein a ratio of a ghost image determined by the first virtual image and the second virtual image is less than or equal to 0.5%.

US Pat. No. 10,656,415

HEAD-UP DISPLAY, AND MOBILE OBJECT EQUIPPED WITH HEAD-UP DISPLAY

PANASONIC INTELLECTUAL PR...

1. A head-up display that causes an observer to visually recognize a virtual image, the head-up display comprising:a display device that diffusion-displays an image;
a projection optical system that projects the diffusion-displayed image in the display device onto the observer, the projection optical system including a refraction lens and a mirror;
a polarization member that is disposed between the projection optical system and a reflection member that reflects light from the projection optical system, the polarization member having a transmittance depending on a polarization direction; and
a first quarter-wave plate that is disposed behind the refraction lens in front of the mirror on an optical path starting from the display device, and rotates a predetermined polarized component by a quarter of wavelength, wherein
the optical path extends from a center of the image on the display device to a viewpoint of the observer, and
the refraction lens, the first quarter-wave plate and the polarization member are disposed inclined with respect to a reference beam.

US Pat. No. 10,656,414

PROJECTION ARRANGEMENT FOR A HEAD-UP DISPLAY (HUD)

SAINT-GOBAIN GLASS FRANCE...

1. A projection arrangement for a head-up display (HUD), comprising:i) a vehicle windshield, comprising an outer pane and an inner pane that are bonded to one another via a thermoplastic intermediate layer, the vehicle windshield having an upper edge and a lower edge (U) and an HUD region,
wherein the vehicle windshield has an installation angle in a range from 55° to 75°, and
wherein each of the outer pane and the inner pane have a respective thickness of a maximum of 5 mm; and
ii) a projector aimed at the HUD region that is configured to generate a virtual image perceivable by an observer situated within an eyebox,
wherein:
the windshield has an HUD reference point at which a central beam running between the projector and a center of the eyebox strikes the inner pane,
a thickness of the thermoplastic intermediate layer in at least one section of a vertical course between the upper edge and the lower edge is variable according to a wedge angle ?, the at least one section comprising a section corresponding to the HUD region,
the windshield has a vertical radius of curvature R, which is variable in the vertical course between the upper edge and the lower edge through the HUD reference point, wherein a maximum value of the vertical radius of curvature R is situated in a section of the vertical course between the upper edge of the windshield and a lower edge of the HUD region above the HUD reference point,
wherein the vertical radius of curvature R at an upper edge of the HUD region is greater than at the lower edge of the HUD region, and decreases monotonically between the upper edge and the lower edge.

US Pat. No. 10,656,413

HEAD-UP DISPLAY

Continental Automotive Gm...

1. A combiner for a head-up display module for a vehicle, comprising:a transparent sheet having two parallel sides with a thickness of less than 1 mm, and configured to reflect a projected image toward a user,
wherein each side projects a respective image and a distance between the respective images is below a discernable threshold.

US Pat. No. 10,656,412

IMAGE DISPLAY APPARATUS AND HEAD-UP DISPLAY SYSTEM

Ricoh Company, Ltd., Tok...

1. An image display apparatus, comprising:a light source;
an image forming element on which a plurality of micromirrors are arranged;
an illumination optical system for guiding light emitted from the light source to the image forming element; and
a projection optical system having a refractive optical system including a plurality of lenses sharing an optical axis and projecting an image formed by the image forming element onto a projected surface, wherein
the optical axis of the refractive optical system has an inclination of 1° or more with respect to a perpendicular of a plane including an image forming surface of the image forming element,
the image projected on the projected surface is a trapezoidal shape that includes a first portion and a second portion, the first portion is parallel to the second portion and the second portion is longer than the first portion,
the illumination optical system includes a condenser lens and a field lens as a condensing optical system, the condenser lens is between the field lens and the light source,
focal points of the condensing optical system are closer to the field lens than to the image forming surface of the image forming element,
first rays of the light have a first focal point and interact with a first side of the image forming element,
second rays of the light have a second focal point and interact with a second side of the image forming element,
at the image forming surface of the image forming element, the first rays are more out of focus than the second rays, and
the first rays form the first portion of the trapezoidal shape and the second rays form the second portion of the trapezoidal shape.

US Pat. No. 10,656,411

OPTICAL SYSTEM FOR FIELD MAPPING AND/OR PUPIL MAPPING

Carl Zeiss SMT GmbH, Obe...

1. An optical system having an optical axis, a stop plane and an image plane, the optical system comprising:a Fourier optical unit comprising four lens element groups spaced from each other along an optical axis of the optical system between a stop plane of the optical system and an image plane of the optical system,
wherein:
each of the four lens element groups comprises a lens element;
each of the four lens element groups comprises a first lens element material and/or a second lens element material that differs from the first lens element material;
the four lens element groups comprise:
a first color under-corrected lens element group in relation to a chromatic longitudinal aberration of field imaging of the optical system and/or pupil imaging of the optical system;
a second color under-corrected lens element group in relation to the chromatic longitudinal aberration of the field imaging of the optical system and/or the pupil imaging of the optical system;
a first color over-corrected lens element group; and
a second color over-corrected lens element group;
each of the first and second color under-corrected lens element groups has a positive refractive power;
each of the first and second color over-corrected lens element groups has a negative refractive power; and
the Fourier optical unit comprises an alternating sequence of color under-corrected and color over-corrected lens element groups.

US Pat. No. 10,656,410

IMAGING LENS, CAMERA MODULE AND DIGITAL DEVICE COMPRISING SAME

LG Innotek Co., Ltd., Se...

1. An imaging lens comprising:a first lens to a sixth lens arranged in order from an object side to an image side,
wherein the first lens has a positive refractive power, and the second lens and the sixth lens have a negative refractive power,
wherein the first lens has a meniscus shape convex to the object side,
wherein both surfaces of the second lens on the object side and the image side are concave,
wherein an axial distance from an apex of an object side surface of the fifth lens on an optical axis to an object side surface of an edge of the sixth lens is less than an axial distance from the apex of the object side surface of the fifth lens on the optical axis to an effective diameter on the object side surface of the sixth lens,
wherein the object side surface of the sixth lens outside the edge is flat,
wherein the third lens has a meniscus shape convex to the object side, and
wherein the fourth lens has a meniscus shape convex to the object side.

US Pat. No. 10,656,409

ILLUMINATION DEVICE

Dai Nippon Printing Co., ...

1. An illumination device comprising:a coherent light source that emits a coherent beam;
an optical element including a plurality of diffusion subelements, wherein each of the diffusion subelements guides the coherent beam incident thereon such that the coherent beam illuminates a different illumination object subregion; and
an optical scan unit that guides the coherent beam emitted from the coherent light source and thereby scans the coherent beam on the plurality of diffusion subelements,
wherein the plurality of diffusion subelements include diffusion subelements differing in size,
wherein the plurality of diffusion subelements differ from each other in a light distribution direction, and the different illumination object subregions are separately illuminated, and
wherein the plurality of diffusion subelements are selectively illuminated with the coherent beam guided by the optical scan unit such that the corresponding different illumination object subregions are selectively illuminated with the coherent beam.

US Pat. No. 10,656,408

ELECTROWETTING DISPLAY DEVICE WITH INTEGRATED PIXEL SPACER

AMAZON TECHNOLOGIES, INC....

1. An electrowetting display device, comprising:a first support plate;
a plurality of pixel walls on the first support plate, the plurality of pixel walls being associated with an electrowetting pixel;
a pixel electrode on the first support plate for applying a voltage within the electrowetting pixel to cause relative displacement of an oil within the electrowetting pixel to modify a reflectance of the electrowetting pixel;
a second support plate over the first support plate;
an organic layer on the second support plate;
an electrode layer on the organic layer, the electrode layer being patterned to include an opening; and
a pixel spacer coupled to the second support plate, the pixel spacer including a first portion in direct contact with the organic layer through the opening in the electrode layer, and wherein the pixel spacer is in contact with at least one pixel wall in the plurality of pixel walls.

US Pat. No. 10,656,407

ELECTRONICALLY SWITCHING MICROLENSES BETWEEN OPTICAL STATES

Intel Corporation, Santa...

1. An electronic apparatus for switching image states of a microlens, comprising:the microlens comprising a plurality of microstructures to bend light;
a chamber coupled to the microlens to receive a liquid with an optical index that matches an optical index of the microlens; and
an electronic device coupled to the chamber to manipulate the liquid to achieve a target optical state of the microlens, wherein the electronic device comprises a micropump comprising a reservoir to contain the liquid, a magnet contained inside a ferrofluid adjacent to the reservoir, and an electromagnetic coil, wherein the magnet is to squeeze against the reservoir in response to a current being driven at the electromagnetic coil.

US Pat. No. 10,656,406

IMAGE PROCESSING DEVICE, IMAGING DEVICE, MICROSCOPE SYSTEM, IMAGE PROCESSING METHOD, AND COMPUTER-READABLE RECORDING MEDIUM

OLYMPUS CORPORATION, Tok...

1. An image processing device comprising:a processor comprising hardware, the processor being configured to:
acquire first and second image groups in different first and second directions, the first and second image groups each including two images having a common area partially showing a common object between one image and another image;
calculate first flatness representing a gradient of a shading component in the first direction based on a luminance ratio in the common area between the two images included in the first image group, and calculate second flatness representing a gradient of a shading component in the second direction based on a luminance ratio in the common area between the two images included in the second image group;
detect an area, as a flat area, including a position having a minimum gradient of a shading component in an image based on the first and second flatness; and
calculate a correction gain for correcting shading in an image with reference to a correction gain in the flat area by using a luminance ratio in the common area.

US Pat. No. 10,656,405

COLOR IMAGE CAPTURE UNDER CONTROLLED ENVIRONMENT FOR MOBILE DEVICES

International Business Ma...

1. A method for colorimetric or fluorescence analysis, the method comprising:inserting a sample into a slot formed in a base of a device, the sample comprising at least one chemical analysis point, the device further comprising a lid surrounding and covering the base, the lid comprising a central opening without a corresponding opening through the base, wherein a plurality of lights are within the lid and surrounding the central opening;
selecting one or more wavelengths and intensities for illuminating the sample within the device;
illuminating the sample within the device with the selected one or more wavelengths and intensities by selectively activating one or more of the plurality of lights;
adjusting a height of a camera over the sample to focus the sample in the camera; and
capturing at least one image of the sample using the camera;
wherein the one or more wavelengths and intensities for illuminating the sample are selected based at least in part on a humidity of an environment in which the device is being used.

US Pat. No. 10,656,404

MICROSCOPE MODULE FOR A MICROSCOPE ARRANGEMENT FOR IMAGING A SAMPLE

European Molecular Biolog...

1. A microscope module for a microscope arrangement for imaging one or more samples located in a culture medium, the microscope arrangement comprising:a light source for generating an illumination beam along an illumination beam path, the illumination beam path being arranged to illuminate lower surfaces of the one or more samples, and
a detector for detecting emitted light along a detection beam path, wherein the microscope module comprises:
a sample holder, removably arranged in the microscope arrangement, adapted for holding the one or more samples in the culture medium, and having a bottom, the bottom being at least partially transparent to the illumination beam and to the emitted light emitted from the one or more samples,
at least one illumination objective, arranged in the microscope arrangement to direct the illumination beam through the at least partially transparent bottom onto the lower surfaces of the one or more samples; and
at least one detection objective, arranged in the microscope arrangement to collect the emitted light from the one or more samples through the at least partially transparent bottom along the detection path,wherein the detection path is at an angle to the illumination beam path,the illumination objective and the detection objective are located in an immersion medium, the immersion medium being in contact with the at least partially transparent bottom of the sample holder, and
the immersion medium and the at least partially transparent bottom of the sample holder have substantially the same refractive index for reducing optical aberrations.

US Pat. No. 10,656,403

ILLUMINATION MICROSCOPY SYSTEMS AND METHODS

The United States of Amer...

1. A microscopy system comprising:a light source for transmitting a single light beam;
a focusing component for focusing the single light beam into a single focal point;
a scanner for scanning the single light beam that forms the single focal point onto a sample such that the sample generates a plurality of fluorescent emissions corresponding to each of the single focal point;
a detector for collecting the plurality of fluorescent emissions that results from each of the single focal point; and
a processing system for processing the plurality of fluorescent emissions collected from the detector comprising:
a processor in operative communication with a database for storing the plurality of collected fluorescent emissions, wherein the processor removes out-of-focus fluorescent emissions for each of the plurality of fluorescent emissions to leave only in-focus fluorescent emissions, wherein the processor then scales the in-focus fluorescence emissions in a local contraction operation to produce scaled, in-focus fluorescent emissions; wherein the processor sums each scaled, in-focus fluorescence emissions to produce a composite image.

US Pat. No. 10,656,402

THREE-DIMENSIONAL INFRARED IMAGING OF SURFACES UTILIZING LASER DISPLACEMENT SENSORS

Agilent Technologies, Inc...

1. An apparatus comprising:a stage adapted to hold a specimen to be imaged and to move said specimen in a first direction, said stage being characterized by a stage position in said first direction;
a light source comprising a tunable laser that generates a light beam having an illumination wavelength that varies as a function of an input signal;
an imaging system comprising a scanning assembly that moves over said stage in a second direction that is different from said first direction, said scanning assembly comprising a first mirror and a focusing lens fixed relative to one another such that said focusing lens focuses said light beam to a point on said specimen that moves with said scanning assembly; and
a displacement sensor that measures a distance between said scanning assembly and a mapping point on said specimen that is displaced from said measurement point by a fixed distance; and
a light detector that measures an intensity of light leaving said measurement point on said specimen.

US Pat. No. 10,656,401

OPTICAL APPARATUS, MEASURING APPARATUS, MEASURING METHOD, SCREENING APPARATUS, AND SCREENING METHOD

NIKON CORPORATION, Tokyo...

1. An optical apparatus, comprising:an objective lens,
a light source configured to emit excitation light and bright field light,
a first optical element configured to supply, through the objective lens, the excitation light and the bright field light to a target, and to receive, through the objective lens, fluorescent light from the target caused by the excitation light and the bright field light reflected from the target,
a second optical element configured to receive, from the first optical element, incident light that includes the bright field light and the fluorescent light, and to separate the incident light into the bright field light and the florescent light according to a wavelength of the incident light,
a first sensor configured to receive, through the objective lens and the second element, the bright field light, and to form a bright field image of the target from the received bright field light,
a second sensor configured to receive, through the objective lens and the second element, the fluorescent light, wherein
the first optical element includes a first dichroic mirror having first optical characteristics to
reflect excitation light in a first wavelength band and transmit fluorescence light in a second wavelength band caused by the excitation light in the first wavelength band, or transmit the excitation light in the first wavelength band and reflect the fluorescence light in the second wavelength band caused by the excitation light in the first wavelength band, and
partially transmit and partially reflect bright field light in a third wavelength band which is different from the first wavelength band and the second wavelength band, with a transmittance higher than a transmittance of the first wavelength band and lower than a transmittance of the second wavelength band, or with a transmittance higher than a transmittance of the second wavelength band and lower than a transmittance of the first wavelength band, and
the second optical element includes a second dichroic mirror positioned so that light transmitted through or reflected by the first dichroic mirror and having two wavelength bands including the second wavelength band of the fluorescence light and the third wavelength band of the bright field light is incident thereon, the second dichroic mirror having second optical characteristics to separate the incident light into the fluorescence light in the second wavelength band and the bright field light in the third wavelength band, according to the wavelength,
a third sensor configured to receive the bright field light emitted by the light source and transmitted through or reflected by the first dichroic mirror, and to output a signal corresponding to an amount of the bright field light received by the third sensor, and
a controller configured to, when a measurement is being performed by the optical apparatus, adjust an amount of the excitation light emitted by the light source to thereby adjust an amount of the excitation light irradiating the target or set exposure times of the first sensor and the second sensor, based on the signal output by the third sensor.

US Pat. No. 10,656,400

IMAGING OPTICAL UNIT AND PROJECTION EXPOSURE UNIT INCLUDING SAME

Carl Zeiss SMT GmbH, Obe...

1. An imaging optical unit, comprising:a plurality of mirrors configured to guide imaging light along a path from an object field in an object plane into an image field in an image plane,
wherein:
the object field is spanned by a first Cartesian object field coordinate and a second Cartesian object field coordinate;
a third Cartesian coordinate is perpendicular to both the first and second Cartesian object field coordinates;
the imaging optical unit is configured so that, during use of the imaging optical unit:
the imaging light propagates in a first imaging light plane in which an imaging light main propagation direction lies; and
the imaging light propagates in a second imaging light plane in which the imaging light main propagation direction lies and which is perpendicular to the first imaging light plane; and
a number of first plane intermediate images of the imaging light which propagates in the first imaging light plane is different from a number of second plane intermediate images of imaging light which propagates in the second imaging light plane.

US Pat. No. 10,656,399

VARIABLE MAGNIFICATION OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME

OLYMPUS CORPORATION, Tok...

1. A variable magnification optical system which includes a plurality of lens elements, the variable magnification optical system comprising in order from an object side:a first lens unit having a positive refractive power;
a second lens unit having a negative refractive power;
a third lens unit having a positive refractive power; and
at least one other lens unit,
wherein:
an aperture stop is either positioned between the second lens unit and the third lens unit, or positioned in the third lens unit,
at a time of zooming from a wide angle end to a telephoto end, the first lens unit is fixed, the second lens unit moves toward an image-plane side, and at least one lens unit positioned on an image side of the aperture stop moves,
the first lens unit includes at least four positive lens elements and N negative lens elements,
all the negative lens elements in the first lens unit satisfy the following conditional expression (1A),
a first positive lens element, among all the positive lens elements in the first lens unit, is positioned nearest to object, and satisfies the following conditional expression (2A),
a second positive lens element, among the positive lens elements in the first lens unit, is positioned nearest to the first positive lens element, and satisfies the following conditional expression (2B),
a third positive lens element, among the positive lens elements in the first lens unit, is positioned nearest to the second positive lens element, and satisfies the following conditional expression (2C),
an image-side positive lens element, among all the positive lens elements in the first lens unit, is positioned nearest to image, and satisfies the following conditional expression (3):
0.5200<(?g,F)ni<0.5640  (1A),
0.5200<(?g,F)p1<0.5460  (2A),
0.5200<(?g,F)p2<0.5460  (2B),
0.5200<(?g,F)p3<0.5460  (2C),
and
0.5200<(?g,F)pL<0.5600  (3),
where:
2?N,
(?g, F)ni denotes a partial dispersion ratio of an ith negative lens element (i=1˜N),
(?g, F)p1 denotes a partial dispersion ratio of the first positive lens element,
(?g, F)p2 denotes a partial dispersion ratio of the second positive lens element,
(?g, F)p3 denotes a partial dispersion ratio of the third positive lens element,
(?g, F)pL denotes a partial dispersion ratio of the image-side positive lens element,
(?g, F)=(ng?nF)/(nF?nC),
ng denotes a refractive index for a g-line,
nF denotes a refractive index for an F-line,
nC denotes a refractive index for a C-line, and
each of the plurality of lens elements is a lens having a medium of a refractive index higher than 1 filled between an object-side surface and an image-side surface, and not having a refracting surface between the object-side surface and the image-side surface.

US Pat. No. 10,656,398

ZOOM LENS AND IMAGE PICKUP APPARATUS USING THE SAME

OLYMPUS CORPORATION, Tok...

1. A zoom lens comprising:a front-side lens unit;
a rear-side lens unit; and
an aperture stop,wherein:the front-side lens unit includes either one lens unit having a negative refractive power or two lens units having a negative refractive power, and has a negative refractive power as a whole, wherein the front-side lens unit includes at least a negative lens and a positive lens,
the rear-side lens unit is disposed on an image side of the front-side lens unit, and has a positive refractive power as a whole at a telephoto end,
the rear-side lens unit includes a plurality of lens units, including an object-side positive lens unit having a positive refractive power, which is disposed nearest to object, and an image-side lens unit, which is disposed nearest to image, and is fixed in position,
a distance between the front-side lens unit and the object-side positive lens unit changes to become narrower at the telephoto end than at a wide angle end,
the aperture stop is disposed on the image side of the front-side lens unit, and
the following conditional expressions (1), (2), (3), (4?), and (6?) are satisfied:
1.2?|MGB_t|?6  (1),
10?vdGn_min_p?27  (2),
?0.03?TpGn_min_p?0.014  (3),
2.6?|MGB_t|/|MGB_w|?7.0  (4?), and
55.0?vdGn_max_n  (6?),
where:
MGB_t denotes a lateral magnification at the telephoto end of the rear-side lens unit,
vdGn_min_p denotes a minimum Abbe number from among Abbe numbers for any positive lens in the front-side lens unit,
vdGn_max_n denotes a maximum Abbe number from among Abbe numbers for any negative lens in the front-side lens unit,
TpGn_min_p=?gFGn_p?(?0.0016×vdGn_p+0.6415),
?gFGn_p=(ngGn_p?nFGn_p)/(nFGn_p?nCGn_p),
vdGn_p denotes an Abbe number for a predetermined positive lens in the front-side lens unit,
ngGn_p, nFGn_p, and nCGn_p are refractive indices of the predetermined positive lens in the front-side lens unit for a g-line, an F-line, and a C-line respectively,
the predetermined positive lens in the front-side lens unit is a positive lens for which the Abbe number is the minimum, from among the Abbe numbers for any positive lens in the front-side lens unit, and
MGB_w denotes a lateral magnification at the wide angle end of the rear-side lens unit.

US Pat. No. 10,656,397

OPTICAL LENS SYSTEM

YOUNG OPTICS INC., Hsinc...

1. An optical lens system using ultraviolet for imaging, comprising in order from a magnified side to a minified side:a first lens group of negative refractive power having at least one aspheric lens; and
a second lens group of positive refractive power having at least one aspheric lens, wherein each of the lenses in the optical lens system is a singlet lens, and the condition:
TE(?=365)>70% is satisfied, where TE(?=365) denotes an overall transmittance of all of the lenses in the optical lens system measured at a wavelength of 365 nm and is equal to a product of respective internal transmittances of all of the lenses measured at a wavelength of 365 nm.

US Pat. No. 10,656,396

AUTO FOCUS AND OPTICAL IMAGE STABILIZATION IN A COMPACT FOLDED CAMERA

Corephotonics Ltd., Tel ...

1. A folded camera module, comprising:a) an optical path folding element (OPFE) for folding light from a first optical path to a second optical path, the first optical path being along a first optical axis and the second optical path being along a second optical axis; and
b) a lens module carrying a lens assembly with a symmetry axis along the second optical axis,
wherein the lens module is designed to move in a first direction and in a second direction orthogonal to the first direction, the first and second directions being in a first plane containing the second optical axis, the first plane being perpendicular to a second plane containing the first and second optical paths,
wherein the OPFE is designed to tilt about an axis that is perpendicular to both the second optical axis and the second plane,
wherein the lens module movement in the first plane in a direction perpendicular to the second optical path is for optical image stabilization (OIS) to compensate for tilt of the camera module around the second optical axis,
wherein the lens module movement in the first plane in the direction of the second optical path is for auto-focus (AF), and
wherein the tilting of the OPFE is for OIS to compensate for undesired tilt of the camera module about, at least, the axis that is perpendicular to both the second optical axis and the second plane.

US Pat. No. 10,656,395

PHOTOGRAPHING OPTICAL LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. A photographing optical lens assembly comprising seven lens elements, the seven lens elements being, in order from an object side to an image side:a first lens element, 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; each of the seven lens elements having an object-side surface facing towards the object side and an image-side surface facing towards the image side;
wherein the first lens element has positive refractive power, at least one of the object-side surface and the image-side surface of the sixth lens element is aspheric, and the sixth lens element comprises at least one inflection point; at least one lens element with positive refractive power of the seven lens elements has an Abbe number smaller than 25; a central thickness of the fifth lens element is larger than a central thickness of the second lens element;
wherein a curvature radius of the object-side surface of the first lens element is R1, a central thickness of the first lens element is CT1, a focal length of the photographing optical lens assembly is f, and the following conditions are satisfied:
R1/CT1<2.5; and
3.10

US Pat. No. 10,656,394

OPTICAL IMAGING SYSTEM

Samsung Electro-Mechanics...

1. An optical imaging system, comprising:a first lens comprising a negative refractive power and a concave object-side surface;
a second lens comprising a concave object-side surface;
a third lens;
a fourth lens comprising a negative refractive power and a convex object-side surface;
a fifth lens; and
a sixth lens comprising an inflection point formed on an image-side surface thereof,
wherein the first to sixth lenses are sequentially disposed from an object side toward an imaging plane.

US Pat. No. 10,656,393

PHOTOGRAPHING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. A photographing 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; each of the seven lens elements having an object-side surface facing toward the object side and an image-side surface facing toward the image side;wherein the object-side surface of the first lens element is concave in a paraxial region thereof, the object-side surface of the seventh lens element is convex in a paraxial region thereof, and the image-side surface of the seventh lens element is concave in a paraxial region thereof and has at least one convex shape in an off-axis region thereof;
wherein a minimum value among Abbe numbers of the seven lens elements of the photographing lens assembly is Vmin, an axial distance between the object-side surface of the first lens element and an image surface is TL, an entrance pupil diameter of the photographing lens assembly is EPD, and the following conditions are satisfied:
Vmin<21.5; and
TL/EPD<2.80.

US Pat. No. 10,656,392

PHOTOGRAPHING MODULE AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. A photographing module, comprising:an imaging lens assembly comprising a plurality of lens elements, wherein one of the lens elements is a plastic lens element, and at least one surface of an object-side surface and an image-side surface of the plastic lens element comprises:
an effective optical portion being aspheric; and
a peripheral portion surrounding the effective optical portion and comprising:
a plurality of rib structures, wherein each of the rib structures has a strip shape along a radial direction of an optical axis of the imaging lens assembly and is inclined relative to the optical axis, two of the rib structures in one of the radial directions separately face each other, and the strip shapes of the rib structures are arranged around the effective optical portion;
wherein each of the strip shapes is parallel with one of the radial directions.

US Pat. No. 10,656,391

LENS SYSTEM FOR A CAMERA MODULE

FotoNation Limited, Galw...

1. A camera module for a shallow form factor device, the camera module comprising an optical system comprising:seven even aspheric singlet lens elements formed of a molded plastics material, a flat image sensor, and
a central aperture stop with at least 3 lens elements disposed in front of said aperture stop and at least 3 rear lens elements disposed between said aperture stop and said image sensor, said aperture stop having a pupil wide enough to provide an aperture having an f-number of at least f/1.0,
wherein said optical system has a total track length (TTL) less than about 8.2 mm and a minimum spacing of about 0.6 mm between a surface of the rearmost lens element and an imaging plane of said image sensor where sag z at height h for a surface of each lens element is described by the formula:
z=f(h2,R,k)+A1h4+A2h6+A3h8+A4h10+A5h12+A6h14,where R is radius of curvature;k is conic constant; andA1 to A6 are aspheric coefficients, where a magnitude of an aspheric coefficient A1 of at least one surface of each of said rear lens elements is greater than 5×10?2.

US Pat. No. 10,656,390

IMAGING LENS

KANTATSU CO., LTD., Yait...

1. An imaging lens configured to form an image of an object on a solid-state image sensor, in which the lenses are arranged in order from an object side to an image side of the imaging lens and are spaced from each other, the imaging lens comprising:a first lens with a positive refractive power;
a second lens with a negative refractive power;
a third lens with a positive or a negative refractive power;
a fourth lens with a positive or a negative refractive power;
a fifth lens with a positive refractive power having a concave surface facing the object side near an optical axis and a convex surface facing the image side near the optical axis;
a sixth lens with a positive or a negative refractive power; and
a seventh lens with a negative refractive power, the seventh lens being a double-sided aspheric lens having a concave surface facing the object side near the optical axis and a concave surface facing the image side near the optical axis, wherein
the third lens, the fourth lens, the fifth lens, and the sixth lens each have at least one aspheric surface,
the seventh lens has a pole-change point spaced from an optical axis of the imaging lens on its aspheric image-side surface, and
an expression (6) is satisfied:
20 ?d1: abbe number of the first lens at d-ray, and
?d2: abbe number of the second lens at d-ray.

US Pat. No. 10,656,389

IMAGING OPTICAL SYSTEM, IMAGE CAPTURING DEVICE AND MOBILE TERMINAL

LARGAN PRECISION CO., LTD...

1. An imaging optical system comprising, in order from an object side to an image side:a first lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof;
a second lens element having positive refractive power;
a third lens element having an object-side surface being concave in a paraxial region thereof;
a fourth lens element with positive refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof; and
a fifth lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the fifth lens element are aspheric, and the image-side surface of the fifth lens element comprises at least one convex shape in an off-axial region thereof;
wherein the imaging optical system has a total of five lens elements, an absolute value of a curvature radius of the image-side surface of the first lens element is greater than an absolute value of a curvature radius of the object-side surface of the fourth lens element, an axial distance between the first lens element and the second lens element is T12, an axial distance between the third lens element and the fourth lens element is T34, and the following condition is satisfied:
T34

US Pat. No. 10,656,388

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens group; and
a second lens group, arranged in this order from an object side to an image plane side,
wherein said first lens group includes a first lens, a second lens, and a third lens, arranged in this order from the object side to the image plane side,
said second lens group includes a front side lens group and a rear side lens group, arranged in this order from the object side to the image plane side,
said front side lens group includes a fourth lens and a fifth lens,
said rear side lens group includes a sixth lens having two aspheric surfaces and a seventh lens having two aspheric surfaces,
said imaging lens has a total of seven single lenses,
said first lens, said second lens, said third lens, said fourth lens, said fifth lens, said sixth lens, and said seventh lens are arranged respectively with a space in between,
said third lens is formed in a shape so that a surface thereof on the object side and a surface thereof on the image plane side are convex near an optical axis thereof,
said fourth lens is formed in a shape so that a surface thereof on the object side is concave near an optical axis thereof,
said fifth lens is formed in a shape so that a surface thereof on the image plane side is concave near an optical axis thereof, and
said rear side lens group has a focal length Fr so that the following conditional expression is satisfied:
1 where f is a focal length of a whole lens system.

US Pat. No. 10,656,387

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens group; and
a second lens group, arranged in this order from an object side to an image plane side,
wherein said first lens group includes a first lens, a second lens, and a third lens, arranged in this order from the object side to the image plane side,
said second lens group includes a fourth lens, a fifth lens having positive refractive power, a sixth lens having two aspheric surfaces, and a seventh lens having two aspheric surfaces, arranged in this order from the object side to the image plane side,
said imaging lens has a total of seven single lenses,
said first lens, said second lens, said third lens, said fourth lens, said fifth lens, said sixth lens, and said seventh lens are arranged respectively with a space in between,
said third lens is formed in a shape so that a surface thereof on the object side is convex near an optical axis thereof,
said fourth lens is formed in a shape so that a surface thereof on the object side is concave near an optical axis thereof,
said fifth lens has at least one aspheric surface, and
said fifth lens is formed in a shape so that a surface thereof on the image plane side is concave near an optical axis thereof.

US Pat. No. 10,656,386

PHOTOGRAPHING OPTICAL LENS SYSTEM, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. A photographing optical lens system comprising six lens elements, the six lens elements being, in order from an object side to an image side:a first lens element;
a second lens element with positive refractive power having an image-side surface being convex in a paraxial region thereof;
a third lens element with negative refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
a fourth lens element having an image-side surface being convex in a paraxial region thereof;
a fifth lens element with positive refractive power having an image-side surface being convex in a paraxial region thereof; and
a sixth lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof, wherein the image-side surface of the sixth lens element comprises at least one convex critical point in an off-axial region thereof;
wherein an Abbe number of the third lens element is V3, an Abbe number of the fourth lens element is V4, an Abbe number of the fifth lens element is V5, a sum of axial distances between every adjacent lens element of the photographing optical lens system is ?AT, an axial distance between the third lens element and the fourth lens element is T34, and the following conditions are satisfied:
(V3+V4)/V5<1.0; and
1.0

US Pat. No. 10,656,385

PHOTOGRAPHING SYSTEM, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. A photographing system comprising seven lens elements, the seven lens elements being, in order from an object side to an image side:a first lens element having positive refractive power;
a second lens element having negative refractive power;
a third lens element having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
a fourth lens element having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
a fifth lens element;
a sixth lens element; and
a seventh lens element having an image-side surface being concave in a paraxial region thereof, wherein at least one of an object-side surface and the image-side surface of the seventh lens element has at least one inflection point;
wherein there is an air gap in a paraxial region between every adjacent lens element of the first lens element, the second lens element, the third lens element, the fourth lens element, the fifth lens element, the sixth lens element and the seventh lens element, a focal length of the photographing system is f, a focal length of the third lens element is f3, a focal length of the fourth lens element is f4, a focal length of the fifth lens element is f5, and the following condition is satisfied:
|f/f3|+|f/f4|+|f/f5|?0.94.

US Pat. No. 10,656,384

WIDE-ANGLE LENS ASSEMBLY

SINTAI OPTICAL (SHENZHEN)...

1. A wide-angle lens assembly comprising:a first lens which is with refractive power;
a second lens which comprises a convex surface facing an object side;
a third lens which is with positive refractive power and comprises a convex surface facing an image side;
a fourth lens which is with refractive power;
a fifth lens which comprises a concave surface facing the object side; and
a sixth lens which comprises a concave surface facing the image side;
wherein the first lens, the second lens, the third lens, the fourth lens, the fifth lens, and the sixth lens are arranged in order from the object side to the image side along an optical axis;
wherein the wide-angle lens assembly satisfies:
0.61<(R41R42)/(R41+R42)<5.60,
wherein R41 is a radius of curvature of an object side surface of the fourth lens and R42 is a radius of curvature of an image side surface of the fourth lens.

US Pat. No. 10,656,383

OPTICAL PHOTOGRAPHING SYSTEM, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An optical photographing system comprising, in order from an object side to an image side:a first lens element having an image-side surface being convex in a paraxial region thereof;
a second lens element having positive refractive power;
a third lens element having positive refractive power;
a fourth lens element having an object-side surface being concave in a paraxial region thereof;
a fifth lens element with positive refractive power having an object-side surface and an image-side surface being both aspheric; and
a sixth lens element having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof, wherein the object-side surface and the image-side surface of the sixth lens element are both aspheric, and the image-side surface of the sixth lens element comprises at least one convex shape in an off-axial region thereof;
wherein the optical photographing system has a total of six lens elements, a focal length of the second lens element is f2, a focal length of the third lens element is f3, a curvature radius of an object-side surface of the first lens element is R1, a curvature radius of the image-side surface of the first lens element is R2, a curvature radius of the object-side surface of the fourth lens element is R7, a curvature radius of an image-side surface of the fourth lens element is R8, a curvature radius of the object-side surface of the fifth lens element is R9, a curvature radius of the image-side surface of the fifth lens element is R10, a curvature radius of the object-side surface of the sixth lens element is R11, a curvature radius of the image-side surface of the sixth lens element is R12, a central thickness of the second lens element is CT2, a central thickness of the third lens element is CT3, and the following conditions are satisfied:
|f3/f2|<1.0;
|R2/R1|<3.0;
?1.45<(R7?R8)/(R7+R8) ?5.0<(R9+R10)/(R9?R10)<3.0;
0.51<(R11?R12)/(R11+R12)<2.0; and
1.90

US Pat. No. 10,656,382

IMAGING LENS ASSEMBLY, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An imaging lens assembly, comprising, in order from an object side to an image side:a first lens element having negative refractive power;
a second lens element with positive refractive power having an image-side surface being convex thereof;
a third lens element;
a fourth lens element with positive refractive power having an object-side surface being concave and an image-side surface being convex thereof; and
a fifth lens element with negative refractive power having an image-side surface being concave, at least one convex shape on the image-side surface in an off-axial region, and both of object-side and the image-side surfaces thereof being aspheric;
wherein the imaging lens assembly has a total of five lens elements, an axial distance between the first lens element and the second lens element is the largest among respective axial distances between every two adjacent lens elements of the first lens element, the second lens element, the third lens element, the fourth lens element, and the fifth lens element; wherein a focal length of the first lens element is f1, a focal length of the third lens element is f3, a curvature radius of an object-side surface of the second lens element is R3, a curvature radius of the image-side surface of the second lens element is R4, a curvature radius of an object-side surface of the first lens element is R1, a curvature radius of an image-side surface of the first lens element is R2, and the following conditions are satisfied:
?2.40 0.65?(R3+R4)/(R3?R4);
2.30<|R1/R2|.

US Pat. No. 10,656,381

DUAL-LENS MODULE DRIVING DEVICE

AAC Technologies Pte. Ltd...

1. A dual-lens module driving device, characterized in comprising:a shell comprising a top wall and a side wall extending from the top wall, wherein the top wall is provided with a first opening and a second opening in parallel;
a base forming an accommodating space matched with the shell;
a support frame accommodated in the accommodating space and comprising a first accommodating cavity arranged corresponding to the first opening and a second accommodating cavity arranged corresponding to the second opening;
a first lens tube and a second lens tube respectively accommodated in the first accommodating cavity and the second accommodating cavity;
a first lens set and a second lens set respectively matched in the first lens tube and the second lens tube;
a first focusing coil set annularly arranged on an outside surface of the first lens tube for driving the first lens tube AF focus or adjust the change of an optical axis during AF focus;
a second focusing coil set annularly arranged on an outside surface of the second lens tube for driving the second lens tube AF focus or adjust the change of an optical axis during AF focus;
a first magnetic steel set fixed in the support frame and arranged opposite to the first focusing coil set with spacing;
a second magnetic steel set fixed in the support frame and arranged opposite to the second focusing coil set with spacing;
a circuit board arranged below the first magnetic steel set and the second magnetic steel set, and fixed in the base;
an optical anti-shaking coil set arranged below the first magnetic steel set and the second magnetic steel set, and fixed in the circuit board for driving the support frame to move in a horizontal direction;
a first elastic sheet set with one end fixed in the support frame, and the other end fixed in the first lens tube;
a second elastic sheet set with one end fixed in the support frame, and the other end fixed in the second lens tube; and
a translational suspension system composed of a plurality of suspension wires, wherein the plurality of suspension wires are respectively arranged at circumferential sides of the support frame for supporting the first focusing coil set or the second focusing coil set to make small displacement in any direction in a vertical optical axis plane, and the suspension wires are fixed in the base.

US Pat. No. 10,656,380

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 the seventh lens element has an image-side surface being concave in a paraxial region thereof, at least one of an object-side surface and the image-side surface of the seventh lens element has at least one critical point in an off-axis region thereof, the object-side surface and the image-side surface of the seventh lens element are both aspheric;wherein an axial distance between an object-side surface of the first lens element and the 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. 10,656,379

CAMERA OPTICAL LENS

AAC Technologies Pte. Ltd...

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens, a fifth lens, and a sixth lens; wherein the camera optical lens further satisfies the following conditions:0.5?f1/f?10;
1.7?n1?2.2;
1.7?n5?2.2;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
n1: the refractive index of the first lens;
n5: the refractive index of the fifth lens.

US Pat. No. 10,656,378

IMAGING LENS

KANTATSU CO., LTD., Yait...

1. An imaging lens comprising in order from an object side to an image side,a first lens having negative refractive power,
a second lens,
a third lens,
a fourth lens, and
a fifth lens, wherein said second lens has the negative refractive power, and below conditional expressions (1), (2) and (3) are satisfied:
0.1 9 ?0.1

US Pat. No. 10,656,377

IMAGING LENS SET WITH PLASTIC LENS ELEMENT, IMAGING LENS MODULE AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An imaging lens set comprising at least three plastic lens elements and at least one light blocking sheet, and each of the plastic lens elements and the light blocking sheet comprising:an object-side surface; and
an image-side surface disposed relative to the object-side surface;
wherein the at least three plastic lens elements are arranged along a central axis of the imaging lens set, which comprises, in order from an object side to an image side:
a first lens element comprising:
a first flat abutting portion disposed on the image-side surface of the first lens element; and
a first conical surface disposed on the image-side surface of the first lens element;
a second lens element comprising:
a second flat abutting portion disposed on the object-side surface of the second lens element;
a second conical surface disposed on the object-side surface of the second lens element; and
a fourth flat abutting portion disposed on the image-side surface of the second lens element;
a fourth conical surface disposed on the image-side surface of the second lens element, wherein the fourth conical surface is farer away from the central axis than the fourth flat abutting portion to the central axis;
a third lens element comprising:
a third flat abutting portion disposed on the object-side surface of the third lens element; and
a third conical surface disposed on the object-side surface of the third lens element, wherein the third conical surface is farer away from the central axis than the third flat abutting portion to the central axis, and a part of the third conical surface is not overlapped with the second lens element along a direction perpendicular to and away from the central axis;
wherein the first flat abutting portion is abutted with the second flat abutting portion, the first conical surface contacts with the second conical surface, and the third conical surface contacts with the fourth conical surface;
wherein the light blocking sheet has a central opening and is coaxially arranged with the plastic lens elements, the light blocking sheet is disposed between the second lens element and the third lens element and further comprises:
an outer diameter surface connecting the object-side surface and the image-side surface of the light blocking sheet and coaxial with the central opening, wherein the object-side surface of the light blocking sheet is abutted with the fourth flat abutting portion, and the image-side surface of the light blocking sheet is abutted with the third flat abutting portion;
wherein a minimum diameter of the fourth conical surface is ?4, a maximum diameter of the second conical surface is ?2, and the following condition is satisfied:
0.13 mm<(?4??2)/2<1.20 mm.

US Pat. No. 10,656,376

LENS APPARATUS AND IMAGE PICKUP APPARATUS

CANON KABUSHIKI KAISHA, ...

1. A lens apparatus comprising:a first barrel configured not to be moved and including a plurality of first guide grooves formed in the first barrel;
a second barrel fitted to an inside of the first barrel and configured to be moved relative to the first barrel, the second barrel including a plurality of second guide grooves formed in the second barrel;
a moving barrel including cam followers engaged with the first guide grooves and the second guide grooves, and configured to be moved in a direction of an axis of the second barrel by the first barrel and the second barrel rotating relative to each other; and
an elastic member fixed to an outer surface of the first barrel, and biasing an outer surface of the second barrel to an inner surface of the first barrel through a bore formed in the first barrel by pressing the outer surface of the second barrel between two of the plurality of second guide grooves formed in the second barrel.

US Pat. No. 10,656,375

LENS DRIVING DEVICE, CAMERA MODULE, AND OPTICAL DEVICE

LG Innotek Co., Ltd., Se...

1. A lens driving device, comprising:a housing;
a bobbin disposed in the housing;
a coil disposed on the bobbin;
a first magnet disposed on the housing and facing the coil;
a second magnet disposed on the bobbin; and
a sensor disposed on the housing and facing the second magnet,
wherein the sensor comprises an upper surface, a lower surface disposed opposite the upper surface, an inner surface facing the second magnet, an outer surface disposed opposite the inner surface, and both lateral surfaces connecting the inner surface and the outer surface, and
wherein the upper surface and the lower surface of the sensor are fixed to the housing, and one lateral surface of the both lateral surfaces of the sensor is opened.

US Pat. No. 10,656,374

LENS DRIVING DEVICE, AND CAMERA MODULE AND OPTICAL INSTRUMENT COMPRISING SAME

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

1. A lens drive unit, comprising:a housing;
a bobbin disposed within the housing so as to have a lens disposed therein;
a first coil disposed on an outer circumference of the bobbin;
a first magnet disposed on a lateral portion of the housing so as to correspond to the first coil;
a first position sensor disposed on the bobbin, the first position sensor including first and second input terminals and first and second output terminals;
an elastic member coupled to the bobbin and the housing and comprising a first elastic member electrically connected to the first output terminal and a second elastic member electrically connected to the second output terminal; and
a capacitor electrically connected to the first and second elastic members to eliminate noise from an output of the first position sensor.

US Pat. No. 10,656,373

APPARATUSES, SYSTEMS, AND METHODS FOR A MULTISTABLE LENS ACTUATOR PROVIDING MULTIPLE STABILIZED DISCRETE POSITIONS

Facebook Technologies, LL...

1. An apparatus comprising:a camera lens assembly comprising at least one lens held within a lens barrel;
a conductive coil fixably attached to the lens barrel;
a housing at least partially surrounding the conductive coil and the lens barrel;
at least one mechanical flexure maintaining the lens barrel within the housing and allowing movement of the lens barrel between stabilized discrete positions along an optical axis of the lens barrel; and
a magnet spaced from the conductive coil and coupled to the housing such that, in response to an electrical current in the conductive coil, an electromagnetic interaction between the conductive coil and the magnet causes the lens barrel to move from a first position of the stabilized discrete positions to a second position of the stabilized discrete positions, wherein the lens barrel stably remains at a present position of the stabilized discrete positions when the electrical current ceases.

US Pat. No. 10,656,372

IMAGING LENS AND IMAGING APPARATUS

Sony Corporation, Tokyo ...

1. An imaging lens comprising: in order from object side toward image plane side, a first lens group having positive refractive power; a second lens group having a positive refractive power; and a third lens group having positive or negative refractive power,the first lens group being fixed with respect to an image plane, the second lens group traveling along an optical axis to the object side, and the third lens group being fixed with respect to the image plane, upon focusing from an object at infinity to an object at a short distance,
the first lens group including, in order from the object side toward the image plane side, at least two positive lenses that are disposed closest to the object side in the first lens group and a negative lens that is disposed closest to the image plane side in the first lens group,
the second lens group including, in order from the object side toward the image plane side, a second a-lens component having negative refractive power and a second b-lens component having positive refractive power, and
the third lens group including, in order from the object side toward the image plane side, a third a-lens component having positive refractive power and a third b-lens component having negative refractive power,
a following conditional expression is satisfied:
?1.5 where a focal length of the first lens group is f1, and a focal length of the third lens group is f3.

US Pat. No. 10,656,371

ARRANGEMENT FOR SUPPORTING AN OPTICAL COMPONENT

Jabil Optics Germany GmbH...

1. An optical arrangement comprising:a lens with a basic body;
at least one retaining element, which is designed as an integral element of the lens or is directly contacting the lens, wherein a first end of the retaining element, which faces towards the lens, is affixed on a first contact position of the basic body; and
a carrier, on which the lens is supported by means of the retaining element, wherein a second end of the retaining element, which faces away from the lens, is affixed on a second contact position of the carrier;
wherein the retaining element is arranged in such a manner that it can be pivoted between the first contact position and the second contact position, leading to displacement of the lens along an optical axis,
wherein the retaining element is affixed by an affixing means with high viscosity to the carrier or the basic body of the lens in such a manner that it can be pivoted,
wherein the second contact position of the carrier comprises a groove, the groove having a bottom surface and a side surface, wherein the second end of the retaining element engages the groove,
wherein the second end of the retaining element contacts the bottom surface of the groove, and a side portion of the retaining element contacts the side surface of the groove, and
wherein the pivoting arrangement of the retaining element creates an angle between a connecting line extending between the first contact position and the second contact position, and the optical axis of the lens is lower than 90° and greater than 70°.

US Pat. No. 10,656,370

LENS MODULE

AAC Technologies Pte. Ltd...

1. A lens module including:a lens barrel with an optical aperture, the lens barrel including an outer wall and an inner wall opposite to the outer wall;
at least one lens located in the lens barrel;
a shading piece located by an object side or/and an image side of the lens, the shading piece including an upper surface near the optical aperture, a lower surface away from the optical aperture, an outer ring surface directly connecting to the upper surface and the lower surface and near the inner wall of the lens barrel, and an inner ring surface directly connecting to both upper surface and lower surface and opposite to the outer ring surface, wherein
the inner ring surface is a convex arc facing an optical axis of the lens module in a cross sectional view containing the optical axis, the point closest to the optical axis in the inner ring surface is closer to the optical axis than the lower surface and the upper surface.

US Pat. No. 10,656,369

MOUNTING OF OPTICAL ELEMENTS FOR IMAGING IN AIR VEHICLES

ROSEMOUNT AEROSPACE INC.,...

1. An optical assembly comprising:a mounting structure including a cylindrical body, a plurality of axially spaced circumferential recessed undercuts formed into an inner surface of the mounting structure, and a central bore defined by the inner surface, a width of the central bore increasing stepwise along an optical axis between an open end and a receiving end;
a plurality of optical elements axially spaced in the mounting structure, at least one of the plurality of optical elements including an undercut in a perimeter edge surface of the optical element, the undercut in the perimeter edge aligned with one of the plurality of undercuts in the mounting structure, the aligned circumferential undercuts defining a void; and
a conformal filler material cast in place in the void to create a mechanical lock between the optical element and mounting structure.

US Pat. No. 10,656,368

METHOD AND SYSTEM FOR BIOLOGICAL IMAGING USING A WIDE FIELD OBJECTIVE LENS

OMNIOME, INC., San Diego...

1. A system for DNA sequencing, the system comprising:a solid support configured for attachment of one or more analytes or reagents;
an objective lens having a depth of field equal to or less than 1.5 microns, the objective lens comprising:
a first doublet lens having a first lens and a second lens, wherein:
the first lens of the first doublet lens has a concave and a convex surface; and
the second lens of the first doublet lens has a concave and a convex surface;
a second doublet lens having a first lens and a second lens, wherein:
the first lens of the second doublet lens has a concave and a convex surface; and
the second lens of the second doublet lens has a concave and a convex surface;
a third doublet lens having a first lens and a second lens, wherein:
the first lens of the third doublet lens has two convex surfaces;
the second lens of the third doublet lens has two concave surfaces; and
the second doublet lens is between the first doublet lens and the third doublet lens;
a fourth doublet lens having a first lens and a second lens, wherein:
the first lens of the fourth doublet lens has two concave surfaces;
the second lens of the fourth doublet lens has two convex surfaces;
the third doublet lens is between the second doublet lens and the fourth doublet lens;
the first doublet lens is a first lens of an optical train of the objective lens and the fourth doublet lens is a last lens of the optical train of the objective lens;
the first doublet lens is configured to be closer to the solid support than the fourth doublet lens; and
optical rays are not infinity corrected after passing from the first doublet lens through the fourth doublet lens;
a first singlet lens between the second doublet lens and the third doublet lens, the first singlet lens having two convex surfaces;
a second singlet lens between the second doublet lens and the third doublet lens, the second singlet lens having two convex surfaces;
an aspheric lens between the third doublet lens and the fourth doublet lens, wherein the aspheric lens has a diameter equal to or greater than 40 millimeters and equal to or less than 60 millimeters; and
an aperture stop between the third doublet lens and the fourth doublet lens, wherein:
the aperture stop is a physical aperture stop having one or more walls forming an opening;
the aperture stop is within 25 millimeters of the aspheric lens; and
the aperture stop is located at a distance between 70% and 90% in the optical train measured from the first doublet lens;
a camera configured to image luminescence from analytes or reagents on the solid support using the objective lens;
a tube lens between the objective lens and the camera, the tube lens configured to focus light from the objective lens onto a sensor of the camera;
an excitation source; and
a dichroic mirror between the objective lens and the lens tube, the dichroic mirror configured to reflect light from the excitation source into the objective lens toward the solid support, wherein:
light from the excitation source is configured to cause material of the one or more analytes or reagents to fluoresce; and
the dichroic mirror is at an angle less than 40 degrees with respect to the aspheric lens.

US Pat. No. 10,656,367

OPTICAL IMAGE CAPTURING MODULE WITH INTEGRAL MULTI-LENS FRAME AND MANUFACTURING METHOD THEREOF

Ability Opto-Electronics ...

1. An optical image capturing module, comprising:a circuit assembly, comprising:
a circuit substrate, comprising a plurality of circuit contacts;
a plurality of image sensor elements, each of the image sensor elements comprising a first surface and a second surface, the first surface connected to the circuit substrate, and the second surface having a sensing surface and a plurality of image contacts;
a plurality of signal transmission elements, electrically connected between the plurality of circuit contacts on the circuit substrate and each of the plurality of image contacts of each of the image sensor elements; and
a multi-lens frame, manufactured integrally, covered on the circuit substrate, and surrounding the image sensor elements and the signal transmission elements, and positions corresponding to the sensing surface of the plurality of image sensor elements having a plurality of light channels; and
a lens assembly, comprising
a plurality of lens bases, each of the lens bases made of an opaque material and having an accommodating hole passing through two ends of the lens base in such a way that the lens base becomes a hollow shape, and each of the lens bases disposed on the multi-lens frame in such a way that the accommodating hole is connected to the light channel;
at least one fixed-focus lens assembly, having at least two lenses with refractive power, disposed on the lens base and positioned in the accommodating hole, an image plane of the fixed-focus lens assembly positioned on the sensing surface, and an optical axis of the fixed-focus lens assembly overlapping a central normal line of the sensing surface in such a way that light is able to pass through the fixed-focus lens assembly in the accommodating hole, pass through the light channel, and be emitted to the sensing surface;
at least one auto-focus lens assembly, having at least two lenses with refractive power, disposed on the lens base and positioned in the accommodating hole, and an image plane of the auto-focus lens assembly positioned on the sensing surface, and an optical axis of the auto-focus lens assembly overlapping the central normal line of the sensing surface in such a way that light is able to pass through the auto-focus lens assembly in the accommodating hole, pass through the light channel, and be emitted to the sensing surface; and
at least one driving assembly, electrically connected to the circuit substrate and driving the auto-focus lens assembly to move in a direction of the central normal line of the sensing surface;
wherein, the fixed-focus lens assembly and the auto-focus lens assembly further satisfy the following conditions:
1.0?f/HEP?10.0;
0 deg 0 mm 0 0.9?2(ARE/HEP)?2.0;
wherein, f is a focal length of the fixed-focus lens assembly or the auto-focus lens assembly; HEP is an entrance pupil diameter of the fixed-focus lens assembly or the auto-focus lens assembly; HAF is a half maximum angle of view of the fixed-focus lens assembly or the auto-focus lens assembly; PhiD is a maximum value of a minimum side length of an outer periphery of the lens base perpendicular to the optical axis of the fixed-focus lens assembly or the auto-focus lens assembly; PhiA is a maximum effective diameter of the fixed-focus lens assembly or the auto-focus lens assembly nearest to a lens surface of the image plane; ARE is an arc length along an outline of the lens surface, starting from an intersection point of any lens surface of any lens and the optical axis in the fixed-focus lens assembly or the auto-focus lens assembly, and ending at a point with a vertical height which is a distance from the optical axis to half the entrance pupil diameter.

US Pat. No. 10,656,366

LENS UNIT

NANCHANG O-FILM OPTICAL-E...

1. A lens unit comprising:a lens in which a first circular portion and a second circular portion are arranged in an optical axis direction of the lens, the first circular portion having a first diameter when viewed in the optical axis direction, the second circular portion having a second diameter larger than the first diameter when viewed in the optical axis direction;
a sealing member that is annular when viewed in the optical axis direction and that has an inner peripheral surface that contacts an outer peripheral surface of the first circular portion; and
a lens barrel comprising a first inner wall portion and a second inner wall portion, the first inner wall portion being circular when viewed in the optical axis direction and pressing the sealing member between the first inner wall portion and the first circular portion, the second inner wall portion having three or more contact portions that contact an outer peripheral surface of the second circular portion and that are arranged with spaces therebetween in a circumferential direction of the lens.

US Pat. No. 10,656,365

TWIN-LENS MODULE HAVING FIRST AND SECOND LENS-MAINTAINING COMPONENTS

TDK Taiwan Corp., Yangme...

1. A twin-lens module, comprising:a first lens-maintaining component, utilized to maintain a first lens, wherein the first lens-maintaining component comprises a first holder, a first fixed part and a first actuator module, the first holder configured to connect the first lens, the first holder is moveable relative to the first fixed part, the first actuator module is configured to drive the first lens to move, the first actuator module comprises at least one first magnet, and the first magnet is arranged on two sides of the first lens and the two sides are not adjacent to each other, the first lens-maintaining component comprises a rectangle structure having a first side; and
a second lens-maintaining component, utilized to maintain a second lens, wherein the second lens-maintaining component comprises at least one second magnet, the second magnet is arranged on two sides of the second lens, and a portion of the first magnet and/or the second magnet is a multipolar magnet, wherein the first lens has a first optical axis, the second lens has a second optical axis, the first optical axis and the second optical axis are parallel to each other and not overlapping with each other, and distance between the first optical axis and the second optical axis is not zero, and the first magnet comprises a strip structure which extends along an arrangement direction of the first lens and the second lens, the first magnet is arranged at the first side, and the strip structure of the first magnet is parallel with the first side, wherein the first magnet and the first lens do not overlap when observed along the arrangement direction, wherein the first lens-maintaining component only drive the first lens to move relative to the first fixed part along the first optical axis, and the first lens-maintaining component does not drive the first lens to move relative to the first fixed part along a direction which is perpendicular to the first optical axis.

US Pat. No. 10,656,364

SCREEN FILM STRUCTURE WITH MAGNET ASSEMBLY

SOLUTION EXPERT 33 INTERN...

1. A screen film structure with a magnet assembly, for a screen having a rim, the screen film structure comprising:a screen film; and
a magnet assembly, the magnet assembly including a first magnet element and a second magnet element, the first magnet element being attached to the rim, the second magnet being attached to the screen film, wherein the first magnet element and the second magnet element are magnetically attracted to each other to arrange the screen film to cover the screen,
wherein one of the first magnet element and the second magnet element is an iron plate, and the other one is a flexible magnet.

US Pat. No. 10,656,363

APICAL CONDUIT METHOD AND SYSTEM

CenturyLink Intellectual ...

1. A method, comprising:placing a foldable base in a channel in a ground surface, the foldable base comprising a base portion, two side wall portions, and at least two points of articulation, wherein each point of articulation separates the base portion from one of the two side wall portions and allows each side wall portion to fold relative with the base portion, wherein the base portion, when placed in the channel, lies longitudinally along a bottom of the channel and the two side wall portions are in contact with sides of the channel; and
forming a cavity by folding the two side wall portions relative to the base portion of the foldable base that is placed in the channel in the ground surface.

US Pat. No. 10,656,362

GAMMA GROOVE ARRAYS FOR INTERCONNECTING AND MOUNTING DEVICES

GLOBALFOUNDRIES SINGAPORE...

1. A method of forming a device, the method comprising:providing a substrate;
forming a patterned photoresist etch mask on the substrate, wherein the patterned photoresist etch mask comprises first and second elongated photoresist features with respective rectangular profiles, and the first and second elongated photoresist features are separated by a space that exposes the substrate surface;
reflowing the first and second elongated photoresist features with a thermal reflow process to transform the respective rectangular profiles to respective half-cylinder shapes;
after reflowing the first and second elongated photoresist features, performing a dry etch using the patterned photoresist etch mask, wherein the dry etch etches the exposed surface of the substrate to form a gamma groove having convexly-curved groove sidewalls; and
positioning an end of an optical fiber into the gamma groove.

US Pat. No. 10,656,361

CABLE TERMINATION ASSEMBLY

1. An optical fiber cable and termination unit assembly comprising:a housing having an interior surface;
a patch panel terminal coupled to the interior surface of the housing;
an optical signal assembly;
an input optical fiber extending into the housing to the optical signal assembly;
a plurality of output optical fibers extending out of the housing from the patch panel terminal, wherein the optical signal assembly divides a light beam emitted from the optical signal assembly into a plurality of light beams that are received by the patch panel terminal; and
an input coupling element extending from the housing and defining a first longitudinal axis extending in directions towards and away from the housing, the input optical fiber extending through the input coupling element, wherein the housing defines a first hole through which the input optical fiber cable extends, the input coupling element contacting the housing around an entire perimeter of the first hole to form a watertight seal at an interface of the input coupling element and the housing.

US Pat. No. 10,656,360

EPOXY TRANSITIONS FOR OPTICAL FIBER MODULES

Panduit Corp., Tinley Pa...

1. A fiber optic module system, comprising:a fiber optic module holding a plurality of optical adapters at a front of the fiber optic module;
a multi-fiber cable comprising a plurality of individual optical fibers; and
an epoxy transition comprising a first opening at a first end and a cone-shaped component including a second opening at a second end, wherein the first opening is configured to receive the multi-fiber cable and the second opening is configured to output the plurality of individual optical fibers, wherein the epoxy transition is filled, at least in part, with an epoxy to secure the plurality of individual optical fibers as the multi-fiber cable transitions to the plurality of individual optical fibers within the epoxy transition.

US Pat. No. 10,656,359

FIBER OPTIC CASSETTE SYSTEM WITH SLANTABLE CONNECTOR

BELDEN CANADA INC., (CA)...

1. A fiber optic cassette mountable on a tray in parallel to and adjacent to at least one other like cassette, the fiber optic cassette for interconnecting a terminated end of at least one first optic fiber and a terminated end of at least one second optic fiber, the cassette comprising:an elongate cassette housing having a cassette axis;
a first optic fiber connector-receiving receptacle arranged along a front face of said elongate cassette housing for receiving the terminated end of the at least one first optic fiber;
a second optic fiber connector-receiving receptacle arranged about a vertical axis and along a rear face of said elongate cassette housing for receiving the terminated end of the at least one second optic fiber; and
at least one third optic fiber within said elongate cassette housing, each of said at least one third optic fiber for interconnecting the terminated ends of respective ones of the at least one first optic fiber and the at least one second optic fiber;wherein said second optic fiber connector-receiving receptacle is rotatable about said vertical axis relative to said elongate cassette housing between a first position wherein said second optic fiber connector-receiving receptacle is arranged at a first angle to said axis and a second position wherein said second optic fiber connector-receiving receptacle is arranged at a second angle to said axis.

US Pat. No. 10,656,358

FIBER OPTIC NETWORK DISTRIBUTION MODULE FOR USE ALONG AN OUTDOOR MULTI-FIBER NETWORK DISTRIBUTION CABLE

OFS FITEL, LLC, Norcross...

1. An optical fiber distribution module comprising:a base;
a cover;
a sealing element disposed in the cover;
the base has a surrounding wall, and a pair of cable ports formed in the wall at opposite sides of the base for passing a network distribution cable through the interior region of the module;
one or more fiber ports formed in the wall of the base to pass corresponding drop fibers from the interior region of the module where the drop fibers can be connected to designated fibers of the distribution cable, to a number of premises inside a multi-dwelling unit (MDU) building for which the fibers are designated;
first grommets associated with the fiber ports, wherein each first grommet is dimensioned and formed to be seated in an unused fiber port, and to cooperate with the sealing element in the cover when the cover is fastened to the base so that the port is sealed from the outdoor environment when the module is closed; and
second grommets associated with the cable ports and the fiber ports, wherein each second grommet has a hole dimensioned to pass the distribution cable or a given drop fiber, and to surround the cable or the drop fiber in sealing relationship when the second grommet is urged with the cable or the drop fiber into a corresponding port, wherein the second grommets cooperate with the sealing element in the cover when the cover is fastened to the base so that the port is sealed from the outdoor environment when the module is closed;
wherein the base has a raised boss formed on an interior surface of the base for defining a mounting platform for components of the module; and
a tray constructed and arranged for mounting atop the raised boss on the interior surface of the module base, wherein the tray has a floor and a surrounding wall for containing fibers that are connected to one another between the floor and the top of the wall.

US Pat. No. 10,656,357

FIBER DISTRIBUTION HUBS

OPTERNA AM, INC., Sterli...

1. A fiber distribution hub comprising:an enclosure having a length, a width, and a depth, and defining an interior region with an opening, wherein the length is greater than the width and the depth; and
a frame body comprising a first side and a second side opposite the first side, the frame body being rotatably mounted within the interior region of the enclosure such that:
the frame body can rotate about a longitudinal axis relative to the enclosure between a first terminal angular position and a second terminal angular position, the longitudinal axis being parallel to the length and perpendicular to the width and the depth, wherein at the first terminal angular position the first side faces the opening and the second side faces away from the opening, and wherein at the second terminal angular position the second side faces the opening and the first side faces away from the opening;
the entire frame body remains within the interior region as the frame body rotates relative to the enclosure between the first terminal angular position and the second terminal angular position; and
wherein the enclosure includes a first tab, the frame body includes a second tab, the first tab and the second tab are positioned such that the first tab contacts the second tab at the first terminal angular position and at the second terminal angular position, and the contact between the first tab and the second tab substantially prevents rotation beyond the first terminal angular position and the second terminal angular position.

US Pat. No. 10,656,356

SEALING ENCLOSURE ARRANGEMENTS FOR OPTICAL FIBER CABLES

CommScope Connectivity Be...

1. An enclosure arrangement for sealing a telecommunications cable splice, the enclosure arrangement comprising:a cylindrical housing having a first end and an opposite second end, the cylindrical housing including first and second longitudinally extending pieces that cooperate to define an optical cable passage that extends from the first end to the second end, the cylindrical housing defining a longitudinal axis that extends between the first and second ends; and
a circumferential sealing rib adjacent each of the first and second ends, the circumferential sealing rib including a first segment defined by the first longitudinally extending piece and a second segment defined by the second longitudinally extending piece;
wherein when the first and second longitudinally extending pieces are mated together, the first and second segments of each circumferential sealing rib oppose one another and are aligned in a single plane perpendicular to the longitudinal axis of the cylindrical housing, wherein the first and second segments of each circumferential sealing rib define first and second interface locations, and a contoured rounded gap is formed at the first and second interface locations between the first and second segments of the circumferential sealing rib, wherein the contoured rounded gap is configured for pressurizing and sealing without puncturing.

US Pat. No. 10,656,355

HEAT DISSIPATION STRUCTURE OF HORIZONTAL OPTICAL-COMMUNICATION SUB-ASSEMBLY

LUXNET CORPORATION, Taoy...

1. A heat dissipation structure of a horizontal optical-communication sub-assembly, comprising:a T-shaped header, comprising a base and a tongue, wherein the tongue is disposed on one side of the base and is perpendicular to the base, and the base comprises a first through hole and a second through hole; the first through hole is above the tongue and the second through hole is below the tongue and opposite to the first through hole;
a circuit board, wherein one end of the circuit board penetrates through the first through hole and disposed on the tongue; and
a heat-dissipating support insert comprising a supporting block and an extension portion, wherein the extension portion is disposed on one side of the supporting block and penetrates through the second through hole to extend to a bottom of the tongue, whereby the supporting block supports the T-shaped header and the tongue of the T-shaped header lies horizontally.

US Pat. No. 10,656,354

APPARATUS PROVIDING SIMPLIFIED ALIGNMENT OF OPTICAL FIBER IN PHOTONIC INTEGRATED CIRCUITS

Micron Technology, Inc., ...

1. An optical alignment structure comprising:a lens configured to receive an optical signal from an optical emitter and to direct the light signal to an optical receiver;
a plurality of actuator heads configured to engage the lens and to move the lens independently in each of three mutually-orthogonal directions; and
a motive source associated with the plurality of actuator heads for causing movement of the lens.

US Pat. No. 10,656,353

DIRECTLY WRITTEN WAVEGUIDE FOR COUPLING OF LASER TO PHOTONIC INTEGRATED CIRCUIT

North Inc., Kitchener, O...

1. An optical engine, comprising:a base substrate;
a plurality of laser diodes, each of the plurality of laser diodes bonded directly or indirectly to the base substrate;
at least one laser diode driver circuit operatively coupled to the plurality of laser diodes to selectively drive current to the plurality of laser diodes;
a cap comprising at least one wall and at least one optical window that, together with the base substrate, define an interior volume sized and dimensioned to receive at least the plurality of laser diodes, the cap being bonded to the base substrate to provide a hermetic or partially hermetic seal between the interior volume of the cap and a volume exterior to the cap, and the optical window positioned and oriented to allow beams of light emitted from the plurality of laser diodes to exit the interior volume;
a photonic integrated circuit bonded to the base substrate proximate the optical window of the cap, the photonic integrated circuit comprising a plurality of input facets and at least one output facet, in operation, the photonic integrated circuit receives a plurality of beams of light at the respective plurality of input facets and wavelength multiplexes the plurality of beams of light to provide an aggregated beam of light at the output facet; and
a waveguide medium disposed between the optical window of the cap and the photonic integrated circuit, the waveguide medium comprising at least one directly written waveguide that is operative to couple the plurality of beams of light emitted by the plurality of laser diodes from the optical window of the cap to the input facets of the photonic integrated circuit.

US Pat. No. 10,656,352

OFF-AXIS MICRO-MIRROR ARRAYS FOR OPTICAL COUPLING IN POLYMER WAVEGUIDES

INTERNATIONAL BUSINESS MA...

1. A method of forming a multi-chip module, comprising:filling a mold with a transparent material to form a micro-mirror array including an elongated transparent body having a prism shape with three elongated surfaces and two ends, and one or more ellipsoidal or paraboloidal protrusion(s) formed on one of the three elongated surfaces, a first cuboid shaped block on a first end of the triangular prism, and a second cuboid shaped block on a second end of the triangular prism opposite the first end;
forming a reflective coating on at least one of the one or more ellipsoidal or paraboloidal protrusion(s); and
inserting the micro-mirror array into an opening in a waveguide array including one or more waveguide cores in a cladding layer, such that one of the elongated surfaces without the ellipsoidal or paraboloidal protrusion(s) faces one or more waveguide core ends, and the other elongated surface without the ellipsoidal or paraboloidal protrusion(s) faces an opto-electronic chip array or a fiber optic connector, wherein the micro-mirror array is positioned in the opening a distance from the one or more waveguide core ends.

US Pat. No. 10,656,351

PACKAGE STRUCTURE FOR OPTICAL FIBER AND METHOD FOR FORMING THE SAME

TAIWAN SEMICONDUCTOR MANU...

1. A package structure, comprising:an optical component over a substrate;
a reflector disposed over the substrate, wherein the reflector comprises:
a first semiconductor layer over a second semiconductor layer;
a dielectric layer between the first semiconductor layer and the second semiconductor layer; and
a metal layer between the second semiconductor layer and the substrate;
a waveguide between the metal layer and the optical component; and
a passivation layer covering the optical component and the waveguide, wherein a portion of the passivation layer is directly under the metal layer of the reflector.

US Pat. No. 10,656,350

PLANAR OPTICAL WAVEGUIDE STRUCTURE, AND COUPLING STRUCTURE THEREOF AND COUPLING METHOD THEREOF

Wuhan Telecommunication D...

1. A planar optical waveguide structure, whereinthe planar optical waveguide internally comprises a silica main waveguide for transmitting an optical signal, and an auxiliary waveguide for assisting light entering;
the auxiliary waveguide comprises a silicon nitride auxiliary waveguide that is closely attached to the silica main waveguide;
the auxiliary waveguide further comprises a silica auxiliary waveguide, and the silicon nitride auxiliary waveguide and the silica auxiliary waveguide each comprise a transition portion and a cone portion; the transition portion is a rectangular cube extending in a direction of light transmission; the cone portion is of a structure with a bottom surface connected with the transition portion and a cone top extending in the direction of light transmission, wherein the silicon nitride auxiliary waveguide is located on an upper surface of the silica main waveguide, and the silica auxiliary waveguide is located on the upper surface of the silica main waveguide and covers the silicon nitride auxiliary waveguide; wherein the width of silica auxiliary waveguide is more than silicon nitride auxiliary waveguide, so when the silica auxiliary waveguide covers the silicon nitride auxiliary waveguide, just leave entrance of silicon nitride auxiliary waveguide out of the silica auxiliary waveguide and the silica main waveguide.

US Pat. No. 10,656,349

OPTICAL COUPLER AND OPTICAL FIBER PASSIVE ALIGNMENT

1. An optical coupler that comprises a first portion and a second portion;wherein the first portion comprises a first optics that comprise a first lens array, an optical cable interface and three contact elements, each contact element has a hemisphere shaped end; wherein the three contact elements comprise a first contact element, a second contact element and a third contact element, and
wherein the second portion comprises second optics that comprise a second lens array, and three elongated grooves, wherein each elongated groove of the three elongated grooves has a cross section that gradually decreases in a linear manner towards a bottom of the elongated groove; wherein a shape of an exterior of each contact element of the three contact elements differs from a shape of each elongated groove;
wherein when the first and second portions are mechanically coupled to each other then (a) the three elongated grooves are aligned with the three contact elements, the three contact elements are pressed against interiors of the three elongated grooves and penetrate by a predefined distance the interiors of the three elongated grooves, each elongated slot constrains two degrees of freedom, thereby forming a kinematic mount that constraints exactly six degrees of freedom; and (b) an optical axis related to the first lens array passes through a point of intersection between longitudinal axes of the three elongated grooves, and an optical axis related to the second lens array passes through the point of intersection.

US Pat. No. 10,656,348

OPTICAL FIBER CLIP

COMMSCOPE TECHNOLOGIES LL...

1. An optical fiber clip, comprising:an elongate body portion having a flexible architecture providing flexibility between an un-flexed position and a flexed position,
the elongate body portion including first and second side walls that define an open-top, open-ended channel extending along an elongate axis of the body portion, the first and second side walls joining to define a bottom surface of the body portion and to present a first and second end of the body portion,
the elongate body portion further including an elongate slot positioned intermediate the first and second ends and extending from the channel through the bottom surface,
the elongate body portion further including a centrally positioned slot that extends through the first side wall, the centrally positioned slot being perpendicular to the elongate axis, the centrally positioned slot interfacing with the elongate slot,
the channel of the elongate body portion narrowing at the first and second ends to establish an interference fit with a single continuous optical fiber received therein when the body portion is in the un-flexed position and to release the interference fit when the body portion is in the flexed position.

US Pat. No. 10,656,347

CONNECTOR ATTACHED OPTICAL FIBER UNIT AND OPTICAL CONNECTOR BOOT WITH PROTECTION TUBE

Fujikura Ltd., Tokyo (JP...

1. A connector attached optical fiber unit comprising:an MT optical connector including a front end and a rear end opposed to the front end, the front end having a joining end surface, the rear end having a rear end surface and a hollow portion opened to the rear end surface;
a tubular boot including a ront end portion, a rear end portion opposed to the front end portion, and a tubular body portion extending between the front end portion and the rear end portion and having an inner hole, the front end portion is inserted and fixed to the hollow portion of the MT optical connector, the rear end portion having a tube attachment portion;
a protection tube being formed of a single piece and enveloping the tube attachment portion, wherein
the protection tube is disposed radially outside the tube attachment portion, wherein a radial direction of the tubular body portion is perpendicular to both a center axis direction of the tubular body portion and an azimuthal direction of the tubular body portion relative to the center axis direction, and
the protection tube is directly attached to the tube attachment portion of the tubular boot, circumferentially surrounds a plurality of optical fibers, and extends flexibly with the plurality of optical fibers beyond the tubular boot from the rear end portion of the tubular boot, and
the plurality of optical fibers being inserted and fixed to the MT optical connector and the plurality of optical fibers extending from the hollow portion are accommodated inside the tubular boot and the protection tube, wherein
the front end portion of the tubular boot has a front hole communicating with the inner hole of the tubular body portion,
the tubular body portion includes notch portions, which are recessed from an outer circumferential surface or an inner circumferential surface of the tubular body portion and are formed at intervals from each other at a plurality of locatioins in the center axis direction of the tubular body portion in plurality of circumferential locations including both sides of the tubular body portion in a right-left direction coincident with an interval direction of a pair of guide pin holes of the MT optical connector, wherein the notch portions are tapered, and a groove width fo the tapered notch portions decreases from the outer circumferential surface of the tubular body portion toward an inner side of the tubular body portion,
the tubular boot further includes an abutting wall portion abutting the read end surface of the MT optical connector, which protrudes form both sides of the front end portion in an extension direction of the tubular boot in an up-down direction perpendicular to the right-left direction,
the front hole has a flat cross-section extending in the right-left direction,
the inner hole of the tubular body portion has a circular cross-section and has an inner diameter less than the width of the front hole in the right-left direction of the front hole, and
an external circumference of a cross section of the tubular body portion perpendicular to the center axis of the tubular body portion measured immediately adjacent to the abutting wall portion in the center axis direction is smaller than a perimeter of the abutting wall portion perpendicular to the center axis of the turular body portion.

US Pat. No. 10,656,346

COUPLING FOR FORMING AN OPTICAL PLUG CONNECTION

Neutrik AG, Schaan (LI)

1. A coupling for forming an optical plug connection between two optical plug connectors, the coupling comprising:a guide sleeve;
a sleeve-receiving cage with an interior space for receiving the guide sleeve, the sleeve-receiving cage having plug-in openings which are arranged opposite one another on a longitudinal axis of the sleeve-receiving cage and which serve for the plugging-in of in each case one ferrule of the respective optical plug connector into the guide sleeve in, in each case, one direction parallel to the longitudinal axis;
longitudinal stops of the sleeve-receiving cage at least regionally surround each of the plug-in openings, the longitudinal stops of the sleeve-receiving cage are adapted to prevent the guide sleeve from being pulled out of the interior space of the sleeve-receiving cage; and
the sleeve-receiving cage having two sleeve-receiving cage parts, and the sleeve-receiving cage parts having in each case one detent connection part for forming a detent connection, the detent connection parts for the fastening of the sleeve-receiving cage parts to one another are engagable into one another with detent action upon the sleeve-receiving cage parts being slid onto one another in the direction parallel to the longitudinal axis.

US Pat. No. 10,656,345

PUSHABLE OPTICAL CONNECTOR WITH CONNECTOR-INTEGRATED ARTICULATION

PPC BROADBAND, INC., Eas...

1. An optical fiber connector sub-assembly for an optical fiber connector, comprising:a ferrule configured to hold an optical fiber therein along an axis of the ferrule;
a ferrule holder configured to hold the ferrule; and
a ferrule basket configured to receive the ferrule holder, the ferrule basket including an inner sleeve slidably coupled relative to the outer sleeve and configured to isolate a front end of the connector from a rear end of the connector such that the ferrule is isolated from movement of the rear end of the connector,
wherein the ferrule holder and the inner sleeve are relatively moveable with respect to each other along the ferrule axis between limits defined by an interaction between the inner sleeve and the outer sleeve.

US Pat. No. 10,656,344

OPTICAL FIBER PLUG, OPTICAL FIBER ADAPTER, AND OPTICAL FIBER CONNECTOR ASSEMBLY

Huawei Technologies Co., ...

1. An optical fiber plug, wherein the optical fiber plug comprises a ferrule, a sleeve sleeved on the outside of the ferrule, and a lock cap rotatably sleeved on the sleeve, wherein at least one lock block is disposed on an inner wall of the lock cap, and wherein the at least one lock block is configured to be engaged and locked with a lock slot on an optical fiber adapter;wherein two stop blocks are disposed on the inner wall of the lock cap, wherein the two stop blocks are arranged at intervals along a circumferential direction of the lock cap, wherein a stop rod is disposed on an outer wall of the sleeve, wherein the stop rod is located between the two stop blocks, wherein the lock cap rotates relative to the sleeve within an angle range limited by the two stop blocks, and wherein the angle range limited by the two stop blocks is from 30 degrees to 90 degrees; and
wherein when the optical fiber plug and the optical fiber adapter are interconnected by circumferentially aligning the sleeve with the optical fiber adapter, the at least one lock block can be led to a lock location on the lock slot from a horn-shaped opening of the lock slot if the lock cap rotates relative to the sleeve to any location, and wherein a radian corresponding to the horn-shaped opening is greater than or equal to the angle range limited by the two stop blocks.

US Pat. No. 10,656,343

FIBER OPTIC VISUAL FAULT LOCATOR

COTSWORKS, LLC, Highland...

1. A visual fault locator, comprising:a housing;
a receptacle retained by the housing and configured to retain a connector of a fiber optic cable under test;
a light source retained by the housing and positioned relative to the receptacle to emit light into a core of the fiber optic cable under test, wherein the emitted light from the light source has a wavelength dedicated for troubleshooting a break in the core of the fiber optic cable under test by being visually detectable through a jacket of the fiber optic cable under test at a point of the break in the core; and
an interface in the form of an electrical connector retained by the housing; and
wherein the housing is physically configured so as to be removeably installed in a port of a host device so that the interface electrically connects to a mating electrical connector in the port of the host device, the visual fault locator not including a power source and receiving operational power for the light source from the host device via the interface; and
wherein the visual fault locator is not capable of transmitting communications data in an optical signal; and
the visual fault locator further comprising:
a control circuit that controls operation of the light source, the control circuit powered by the operational power from the host device via the interface; and
a physical user input retained by the housing and operable by a user to control the control circuit to turn on and turn off the light source.

US Pat. No. 10,656,342

OPTICAL WIRELESS ROTARY JOINT

Halliburton Energy Servic...

1. An apparatus comprising:a first optical device coupleable to a rotatable reel that is rotatable to advance or retract a tubing extendable from the rotatable reel to a tool in a wellbore; and
a second optical device physically separated from the first optical device and coupleable to a stationary component for communicating data with the first optical device using an optical signal, the first optical device or the second optical device including an optical transmitter for transmitting the optical signal based on the data, and the other of the first optical device or the second optical device including a photodetector for generating a new signal in response to detecting the optical signal transmitted by the optical transmitter, wherein the first optical device and the second optical device form an optical wireless rotary joint for allowing the tool to communicate the data with the stationary component.

US Pat. No. 10,656,341

SEPARABLE INFINITE ROTATION FIBER OPTIC AND SLIP RING ROTARY JOINT FOR SUSPENSION ARM

Stryker Corporation, Kal...

1. A suspension arm assembly comprising:at least two members relatively rotatable about each other, each adjacent pair of members being connected to each other by a joint, with at least one of the joints comprising an infinite rotation joint;
the infinite rotation joint allowing the members at the infinite rotation joint to have unlimited rotation relative to one another;
the infinite rotation joint being configured to pass at least an optical signal therethrough; and
the infinite rotation joint comprising a stator and a rotor, at least two separable portions of the infinite rotation joint being separable such that the infinite rotation joint can be separated into the at least two separable portions, the at least two separable portions being configured to be separately mounted to respective members of an adjacent pair of members prior to connection of the members to each other and then connected together when the adjacent pair of members are connected to each other to allow the optical signal to pass therethrough once the at least two separable portions are connected;
wherein at least a first separable portion of the at least two separable portions of the infinite rotation joint includes a sliding fiber optic cable holder mounted within the first separable portion holding a fiber optic, the sliding fiber optic cable holder being configured to linearly move relative to the rest of the first separable portion of the infinite rotation joint during connection of the first separable portion to a second separable portion of the at least two separable portions of the infinite rotation joint to allow for variation in position of the first separable portion relative to the second separable portion when the first arm and the second arm are connected to each other, and
wherein the sliding fiber optic cable holder is biased in a sliding direction of the sliding fiber optic cable holder by a spring.

US Pat. No. 10,656,340

TERMINAL HAVING FINGERPRINT IDENTIFICATION FUNCTION

ZTE CORPORATION, (CN)

1. A terminal having a fingerprint identification function, comprising:a body having a camera and a processing unit, the camera being electrically connected to the processing unit;
an optical lens assembly, used to change a focal length of the camera, located above the camera, and mounted on the body;
a light-guiding fingerprint capture platform, located above the optical lens assembly, and used cooperatively with the optical lens assembly;
a light source, located between the camera and the fingerprint capture platform and aside the camera, a light emitting end of the light source facing the fingerprint capture platform;
a light guide member, mounted between the fingerprint capture platform and the light source; and
a sliding rail, located on the body, the optical lens assembly being movably mounted on the sliding rail, the fingerprint capture platform being fixedly mounted on the optical lens assembly, and the light guide member being mounted on the optical lens assembly in a penetration manner, wherein
when the optical lens assembly carries the fingerprint capture platform and the light guide member to move along the sliding rail to a first set location, the optical lens assembly and the fingerprint capture platform are located right above the camera, and the light guide member is located right above the light source; and
when the optical lens assembly carries the fingerprint capture platform and the light guide member to move along the sliding rail to a second set location, the optical lens assembly and the fingerprint capture platform are located aside a place right above the camera, and the light guide member is located aside a place right above the light source.

US Pat. No. 10,656,339

FIBER TO CHIP ALIGNMENT USING PASSIVE VGROOVE STRUCTURES

Cisco Technology, Inc., ...

1. An apparatus comprising:a plurality of optical fibers;
a lid member having a bottom surface defining a first plurality of grooves and a second plurality of grooves that is separated from the first plurality of grooves by a channel, wherein the first plurality of grooves are each dimensioned to partly receive an optical fiber of the plurality of optical fibers; and
a substrate comprising:
a plurality of waveguides arranged at a predefined depth relative to a reference surface of the substrate; and
a plurality of ribs extending from the reference surface, wherein each rib of the plurality of ribs is dimensioned to engage with a respective groove of a second plurality of grooves of the lid member,
wherein engaging the plurality of ribs of the substrate with the second plurality of grooves of the lid member provides an optical alignment of the plurality of optical fibers with the plurality of waveguides.

US Pat. No. 10,656,338

WAFER-LEVEL OPTOELECTRONIC PACKAGING

POET Technologies, Inc., ...

1. An optoelectronic package, comprising:a sub-mount comprising:
an optical waveguide formed on top of a substrate; and
a sub-mount boundary wall,
wherein the sub-mount boundary wall comprises a first portion abutting a portion of the optical waveguide,
wherein the first portion of the sub-mount boundary wall and the portion of the optical waveguide comprises a same height,
therein the first portion of the sub-mount boundary wall and the portion of the optical waveguide form an enclosed boundary,
wherein the sub-mount boundary wall comprises a second portion on top of the enclosed boundary,
wherein the second portion comprises
a first dielectric layer formed on top of the enclosed boundary;
a first metal layer formed on top of portions of the first dielectric layer, wherein the first metal layer comprises a wiring trace running across the boundary wall;
a second dielectric layer having a first portion formed on top of the first metal layer and a second portion formed on top of the first dielectric layer; and
a second metal layer formed on top of the second dielectric layer;
an optical die that is attached to the sub-mount and surrounded by the sub-mount boundary wall; and
a cap that is attached to the sub-mount boundary wall to form a cavity for fully enclosing the optical die.

US Pat. No. 10,656,337

MULTI-WAVELENGTH OPTICAL SIGNAL SPLITTING

Hewlett Packard Enterpris...

1. A method comprising:receiving a multi-wavelength optical signal, wherein the multi-wavelength optical signal comprises a plurality of optical wavelengths and has a power level;
receiving an electrical signal;
splitting the plurality of optical wavelengths into a plurality of optical wavelength groups, wherein the plurality of optical wavelength groups are fewer than the plurality of optical wavelengths;
splitting the multi-wavelength optical signal or the plurality of optical wavelength groups into a plurality of lower power signal groups, each of the lower power signal groups having a lower power level than the power level of the multi-wavelength optical signal; and
encoding the electrical signal into the plurality of optical wavelength groups, the plurality of lower power signal groups, or a combination thereof; and
separately transmitting each of the plurality of optical wavelength groups as separate signals being split by the first splitter from a transmitter side corresponding to a first networking switch, separately transmitting each of the plurality of lower power signal groups as separate signals being split by the second splitter from the transmitter side corresponding to the first networking switch, or separately transmitting the combination thereof from the transmitter side corresponding to the first networking switch, wherein each of the separate transmissions are received via a respective optical fiber connected to a respective receiving mechanism of a receiver side corresponding to a second networking switch, and further wherein the receiving mechanism comprises an optical demultiplexer (DEMUX).

US Pat. No. 10,656,336

METHOD FOR PHASE-BASED PHOTONIC COMPUTING

Luminous Computing, Inc.,...

1. A method for optical computation comprising:throughout a time period, controlling a filter bank based on a plurality of weights, comprising:
based on a first weight of the plurality, determining a first control signal;
based on a second weight of the plurality, determining a second control signal, wherein the second weight is different from the first weight;
providing the first control signal to a first optical filter of the filter bank, wherein the first optical filter is associated with a first optical characteristic; and
providing the second control signal to a second optical filter of the filter bank, wherein the second optical filter is associated with a second optical characteristic different from the first optical characteristic;
during the time period, receiving a first optical input signal at a first waveguide of the filter bank, wherein the first optical input signal comprises:
a first portion having the first optical characteristic; and
a second portion having the second optical characteristic;
during the time period, substantially concurrent with receiving the first optical input signal, receiving a second optical input signal at a second waveguide of the filter bank, wherein the second optical input signal comprises:
a third portion having the first optical characteristic; and
a fourth portion having the second optical characteristic; and
during the time period, in response to receiving the first and second optical input signals:
at the first optical filter, based on the first control signal, phase shifting the first portion by a first phase shift amount;
at the second optical filter, based on the second control signal, phase shifting the second portion by a second phase shift amount, different from the first phase shift amount;
after phase shifting the first and second portions, generating an optical output signal, comprising coupling the first optical input signal and the second optical input signal; and
outputting the optical output signal.

US Pat. No. 10,656,335

CLEAVING FIBERS OF DIFFERING COMPOSITION

International Business Ma...

1. A method for cleaving a fiber, the method comprising:rotating an actuator ring around a scoring assembly to produce a score in a fiber, the fiber positioned within the scoring assembly, the scoring assembly comprising the actuator ring and at least one scoring blade, the actuator ring having an inner surface comprising a first cam, the first cam having a sloped surface, the rotating the actuator ring around the scoring assembly placing the sloped surface of the first cam in contact with a first scoring blade among the at least one scoring blade, the sloped surface of the first cam in contact with the first scoring blade applying a positioning force to the first scoring blade to produce the score in the fiber; and,
applying a cleaving force to the fiber to cleave the fiber at a location of the fiber corresponding to the score.

US Pat. No. 10,656,334

ROTARY OPTICAL BEAM GENERATOR

Lumentum Operations LLC, ...

1. An optical fiber device, comprising:a core section that twists about an axis of the optical fiber device along a length of the optical fiber device,
wherein a center of the core section is offset from the axis of the optical fiber device along the length of the optical fiber device,
wherein a rate of twist at which the core section twists about the axis increases from a first rate of twist at a first end of the optical fiber device to a second rate of twist at a second end of the optical fiber device, and
wherein the core section being twisted about the axis is to cause an optical beam, launched at the first end of the optical fiber device, to be at least partially converted to a rotary optical beam at a second end of the optical fiber device; and
a cladding surrounding the core section.

US Pat. No. 10,656,333

TWO-STAGE ADIABATICALLY COUPLED PHOTONIC SYSTEMS

II-VI Delaware Inc., Wil...

1. A coupled system, comprising:a silicon (Si) photonic integrated circuit (PIC), comprising:
a Si substrate,
a silicon dioxide (SiO2) box formed on the Si substrate;
a first layer formed above the SiO2 box, the first layer including a first silicon nitride (SiN) waveguide with an untapered end portion and a tapered end that begins where the untapered end portion of the first SiN waveguide ends, the first layer further including a second SiN waveguide with a tapered end;
a second layer formed above the SiO2 box and below the first layer, the second layer including a Si waveguide with an untapered end portion and a tapered end that begins where the untapered end portion of the Si waveguide ends;
an interposer comprising an interposer waveguide;
wherein:
the untapered end portion of the first SiN waveguide is aligned in two orthogonal directions with the tapered end of the Si waveguide such that the untapered end portion of the first SiN waveguide overlaps in the two orthogonal directions and is parallel to the tapered end of the Si waveguide;
the tapered end of the first SiN waveguide is aligned in the two orthogonal directions with the untapered end portion of the Si waveguide such that the tapered end of the first SiN waveguide overlaps in the two orthogonal directions and is parallel to the untapered end portion of the Si waveguide; and
the tapered end of the second SiN waveguide is adiabatically coupled to a coupler portion of the interposer waveguide.

US Pat. No. 10,656,332

MULTI-SPECTRAL OPTICAL COUPLER WITH LOW RECEIVE LOSSES

1. An optical coupling device for producing an optical coupling at at least two central wavelengths, between an optical fiber and photonic circuits, comprising:a substrate and at least two coupling stages integrated onto the substrate; and wherein:
each coupling stage comprises, integrated onto the substrate, a grating coupler and at least one waveguide, the grating coupler being arranged at an input or output of the at least one waveguide and configured to implement an optical coupling centered on a respective central wavelength; and
the grating couplers are superimposed one above the other, according to an axis orthogonal to the plane of the substrate;
and wherein the at least two coupling stages comprise a first coupling stage comprising a first grating coupler insensitive to polarization, and associated with a first central wavelength; and
a second coupling stage comprising a second grating coupler, and associated with a second central wavelength different from the first wavelength.

US Pat. No. 10,656,331

INTEGRATED PHOTONIC DEVICE WITH IMPROVED OPTICAL COUPLING

STMicroelectronics (Croll...

1. A three-dimensional photonic integrated structure, including:a support substrate;
a first insulating on said support substrate;
a first semiconductor film on said first insulating layer, wherein the first semiconductor film is patterned to include a first semiconductor waveguide and a first semiconductor portion;
a dielectric layer on said first semiconductor film;
a second insulating layer on said dielectric layer;
a second semiconductor film on said second insulating layer, wherein the second semiconductor film is patterned to include a second semiconductor waveguide and an optical coupler which is connected to said second semiconductor waveguide;
a semiconductor layer on a first portion of the dielectric layer and covered by a second portion of the dielectric layer, wherein the semiconductor layer is insulated from both the first semiconductor portion and the optical coupler, and wherein the semiconductor layer is positioned between the first semiconductor portion and the optical coupler; and
a reflective element located below said optical coupler, wherein the reflective element is formed by the first semiconductor portion, the first portion and second portion of the dielectric layer, the semiconductor layer and a portion of the second insulating layer.

US Pat. No. 10,656,330

USE OF VARIABLE BEAM PARAMETERS TO CONTROL SOLIDIFICATION OF A MATERIAL

NLIGHT, INC., Vancouver,...

1. A method for forming an article using a laser beam, the method comprising:providing a material comprising a first material property;
forming a melt pool by exposing the material to the laser beam, wherein the melt pool comprises at least one melt pool property determinative of a second material property of the material; and
modifying at least one beam characteristic of the laser beam in response to a change in the melt pool property, the modifying of the at least one beam characteristic of the laser beam including:
perturbing an optical beam propagating within a first section of fiber to adjust the at least one characteristic of the laser beam in the first section of fiber or a second section of fiber or a combination thereof;
coupling the perturbed optical beam into the second section of fiber; and
maintaining at least a portion of one or more adjusted beam characteristics within the second section of fiber having two or more confinement regions, wherein the first section of fiber and the second section of fiber form at least a portion of a continuous length of fiber.

US Pat. No. 10,656,329

OPTICAL FIBER

SUMITOMO ELECTRIC INDUSTR...

1. An optical fiber made of silica glass and comprising:a core containing an alkali metal or an alkaline-earth-metal element and having a radius of r0; and
a cladding enclosing the core and having a refractive index smaller than that of the core,
wherein the core includes an inner core having a radius of r0/2 and an outer core having an inside radius of r0/2 and an outside radius of r0, and the average chlorine concentration of the inner core is larger than that of the outer core, and;
the rate A/B of the average chlorine concentration A of the inner core to the average chlorine concentration B of the outer core is larger than 1.5.

US Pat. No. 10,656,328

MONOLITHIC VISIBLE WAVELENGTH FIBER LASER

Nuburu, Inc., Centennial...

1. A laser resonator for generating a laser beam in the wavelength region of about 400 nm to about 700 nm, the laser resonator comprising:a) an optical fiber comprising a core and a cladding and having an all fiber feed-back mechanism, the feed-back mechanism comprising a first reflective member and a second reflective member: the first reflective member and the second reflective member located along a length of the optical fiber and defining a distance there between; and,
b) wherein, the second reflective member is a fiber Bragg grating, wherein the fiber Bragg grating is capable of providing feedback to the first Raman order; and wherein the fiber Bragg grating is incapable of providing feedback to the second Raman order.

US Pat. No. 10,656,327

OPTICAL FIBER

Fujikura Ltd., Tokyo (JP...

1. An optical fiber that communicates in a predetermined communication band, the optical fiber comprising:a signal light propagation core oriented along a central axis of the optical fiber that propagates light beams of up to (x+1)-th order LP mode, where x is an integer of two or more; and
a side core that is parallel to the signal light propagating core and that propagates a light beam that is:
coupled with a light beam of the (x+1)-th order LP mode propagating through the signal light propagation core, and
suppressed from being coupled with light beams of up to the x-th order LP mode propagating through the signal light propagation core, wherein,
mode coupling of the light beams of up to the x-th order LP mode propagating through the signal light propagation core is performed, and
mode coupling between the light beam of the x-th order LP mode and the light beam of (x+1)-th order LP mode is suppressed.

US Pat. No. 10,656,326

OPTICAL FIBER

SUMITOMO ELECTRIC INDUSTR...

1. An optical fiber made of silica glass and containing a core and a cladding,the cladding enclosing the core and having a refractive index smaller than the refractive index of the core,
the core containing chlorine as well as an alkali metal or an alkaline-earth-metal element,
the core having a chlorine concentration of 1 ppm or more in the whole region thereof, and
the absolute value of rate of radial change in the chlorine concentration being smaller than 2000 ppm/?m.

US Pat. No. 10,656,325

LIQUID CRYSTAL DISPLAY AND BACKLIGHT MODULE THEREOF

HUIZHOU CHINA STAR OPTOEL...

1. A backlight module, comprising: a back plate, a backlight source and a frame, the backlight source is disposed on the back plate, the frame comprises a fixing member and an adjusting member, the fixing member fixedly connects with the back plate, the adjusting member comprises two first rails disposed opposite to each other in a first direction and two second rails disposed opposite to each other in a second direction, the two first rails and the two second rails detachably connect with the fixing member, the two first rails and the two second rails are used for fixing the display panel,wherein the first rail comprises a first extending portion, a first connecting portion, and a second extending portion disposed along the first direction, the first extending portion and the second extending portion are respectively connected to two sides of the first connecting portion, the second extending portion is used for supporting the display panel,
wherein the second rail comprises a third extending portion, a second connecting portion, and a fourth extending portion disposed along the second direction, the third extending portion and the fourth extending portion are respectively connected to two sides of the second connecting portion and the fourth extension portion is used for supporting the display panel, and
wherein a plurality of first positioning portions are disposed on the first rail protruding toward the second extending portion, a plurality of second positioning portions are disposed on the second rail protruding toward the fourth extending portion, the first positioning portions and the second positioning portions are respectively located at a middle of the first rail and at a middle of the second rail, and a plurality of recesses are disposed between the first positioning portions and between the second positioning portions.

US Pat. No. 10,656,324

DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A display device comprising:a display panel including a first substrate and a second substrate on the first substrate, the first substrate including a second substrate non-overlapping portion not having the second substrate thereon and having a driving component thereon;
a backlight facing the first substrate of the display panel, the backlight including:
a light guide plate having a plate shape and facing the display panel; and
a light source facing an end surface of the light guide plate and being configured to emit light toward the end surface; and
a heatsink including a display panel overlapping portion, a light source overlapping portion, and a connecting portion, the display overlapping portion being on a rear surface of the first substrate at least over an area corresponding to the driving component, the light source overlapping portion being on a side of the backlight remote from the display panel beyond the light source, and the connecting portion connecting the display panel overlapping portion and the light source overlapping portion to each other.

US Pat. No. 10,656,323

PREFORMED LIGHT GUIDE WITH POCKETS FOR LIGHT EMITTING DIODES MOUNTED TO A PRINTED CIRCUIT BOARD

DURA OPERATING, LLC, Aur...

1. A molded component assembly, comprising:a printed circuit board with a first face and an oppositely facing second face;
a light emitting diode mounted on a first portion of the first face;
multiple electronics components mounted on a second portion of the first face;
a light guide of a light translucent polymeric material having a contact surface, a light outlet, and a light emitting diode receiving pocket defining a recess in the contact surface sized to receive the light emitting diode when the contact surface directly contacts the first portion of the first face, with visible light from the light emitting diode transmitted through the light guide to the light outlet; and
a first polymeric material molded over a portion of the second portion of the first face encapsulating the electronics components and contacting a portion of the light guide.

US Pat. No. 10,656,322

COHERENT BACKLIGHT UNIT AND THREE-DIMENSIONAL IMAGE DISPLAY DEVICE INCLUDING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A coherent backlight apparatus comprising:a light source configured to radiate a coherent light;
a light guide plate comprising:
a first flat panel surface and a second flat panel surface that are disposed to oppose each other, and
a first diffraction grating provided on the first flat panel surface, and configured to diffract the coherent light that is radiated from the light source and passes through the second flat panel surface, toward an inner side of the light guide plate;
at least one reflective optical element provided on at least one from among a plurality of side surfaces of the light guide plate and configured to reflect the coherent light that propagates toward the at least one from among the plurality of side surfaces from the inner side of the light guide plate, toward the inner side of the light guide plate; and
a second diffraction grating provided on the second flat panel surface that opposes the first flat panel surface on which the first diffraction grating is disposed, and configured to allow the coherent light that is totally reflected by the light guide plate to pass through the second diffraction grating and discharge to an outside of the light guide plate,
wherein the first diffraction grating provided on the first flat panel surface is disposed not to face the second diffraction grating provided on the second flat panel surface that opposes the first flat surface, and a sum of a length of first diffraction grating and a length of the second diffraction grating is equal to a length of the light guide plate,
the at least one reflective optical element comprises a first retro-reflective optical element and a second retro-reflective optical element that are disposed on two opposing side surfaces of the light guide plate, and
the first diffraction grating and the first retro-reflective optical element share a same corner point of the light guide plate, and the second diffraction grating and the second retro-reflective optical element share another same corner point of the light guide plate.

US Pat. No. 10,656,321

LIGHT GUIDING STRUCTURE OF BACKLIGHT DEVICE

SUZHOU LUUMII LTD., Suzh...

1. A light guiding structure of a backlight device, comprising:an insulation substrate, an illuminating surface being defined on a surface of the insulation substrate;
a reflecting layer, stacked on the insulation substrate;
a light guiding layer, stacked with the reflecting layer;
a micro LED, arranged on the illuminating surface and illuminating toward a direction perpendicular to the illuminating surface; and
a reflecting film, stacked on the illuminating surface of the insulation substrate and covering on the micro LED, an edge of the light guiding layer being stacked between an edge of the reflecting film and the reflecting layer, a reflecting slope being defined on the reflecting film, and the reflecting slope being extended from the micro LED to the edge of the light guiding layer.

US Pat. No. 10,656,320

LIGHTING DEVICE AND DISPLAY DEVICE

FUNAI ELECTRIC CO., LTD.,...

1. A lighting device comprising:a plurality of light sources that are arranged in an arrangement direction;
a lens that directs light emitted from the light sources, the lens having
a concave component with an inner bottom face and an inner face, the light emitted from the light sources being incident on the concave component,
an emission face located on an opposite side from the concave component, and
an outer face located to the side of the concave component; and
a support that supports the light sources,
the inner face forming a convex face that faces toward inside of the concave component,
the outer face reflecting the light that has entered the lens through the inner face toward the emission face, and
the lens having a plurality of lens bodies, the lens bodies being independently formed as separate members and linked to each other in the arrangement direction to form a columnar member that extends in the arrangement direction, with the lens bodies being slidably attachable to the support.

US Pat. No. 10,656,319

LIQUID CRYSTAL DISPLAY DEVICE

NS MATERIALS INC., Fukuo...

1. A liquid crystal display device, comprising:a liquid crystal panel;
a light source component that includes a plurality of light sources;
a light-guiding plate which is provided on a rear surface of the liquid crystal panel and irradiates the liquid crystal panel with light that is derived from the light source component;
a fluorescent substance layer which is disposed between the light-guiding plate and the light source component and includes a quantum dot fluorescent substance having a diameter of 50 nm or less on an inner side of the fluorescent substance layer; and
a single convex lens column that changes a direction of light generated from the light source component, wherein the single convex lens column is provided between the light source component and the fluorescent substance layer, wherein only a convex surface of the single convex lens column faces the plurality of light sources such that no other surface of the single convex lens column faces the plurality of light sources, and
wherein the fluorescent substance layer comprises a plurality of stacked fluorescent substance layers in which a wavelength of light, which is obtained through wavelength conversion, is different for each of the plurality of stacked fluorescent substance layers, and
wherein the single convex lens column is provided for the plurality of light sources, and
wherein each light source of the plurality of light sources has a same color, and wherein the lights emitted from the light sources are first converted into green, and then are converted into red, when passing through the fluorescent substance layers, and
wherein the plurality of stacked fluorescent substance layers includes at least five fluorescent substance layers.

US Pat. No. 10,656,318

OPTICAL BODY AND LIGHT EMITTING DEVICE

DEXERIALS CORPORATION, T...

1. An optical body comprising:a base material; and
a light extraction unit that is formed on an external surface of the base material and that extracts, to an opposite surface of the base material, internally propagating light that is injected in an inside of the base material from a side surface of the base material,
wherein the light extraction unit is formed of a convex microlens array, wherein the convex microlens array is convex with respect to an exterior surface of the microlens array, and
an arithmetic average value of maximum inclination angles of microlenses in the convex microlens array substantially coincides with a maximum propagation angle of the internally propagating light.

US Pat. No. 10,656,317

LAMINATED PRINTED CIRCUIT BOARD WITH OVER-MOLDED LIGHT GUIDE

DURA OPERATING, LLC, Aub...

1. A laminated printed circuit board with over-molded light guide, comprising:a printed circuit board having electronic components mounted on a first face of the printed circuit board, and a bore extending through the printed circuit board;
a light emitting diode mounted on the first face proximate to the bore; and
a light transmissive polymeric material applied onto each of the electronic components, the light emitting diode and a portion of the first face of the printed circuit board, a portion of the polymeric material extending into the bore to create a light guide proximate to the light emitting diode.

US Pat. No. 10,656,316

POLARIZATION DEPENDENT FILTER, SYSTEM USING THE SAME, AND ASSOCIATED KITS AND METHODS

Novadaq Technologies ULC,...

1. A system, comprising:a birefringent lens that outputs light of a first polarization and light of a second polarization;
an image plane in which images of light having the first polarization and the second polarization are focused after transmission by the birefringent lens; and
a polarization filter that transmits light of the first polarization and the second polarization in a central region thereof and transmits light of the first polarization and blocks light of the second polarization outside the central region, wherein the polarization filter is in a plane that is not at or near a system aperture or any conjugate thereof.

US Pat. No. 10,656,315

SOLID-STATE IMAGING DEVICE, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC DEVICE

SONY SEMICONDUCTOR SOLUTI...

1. A solid-state imaging device, comprising:a first pixel, comprising:
a first photoelectric conversion unit configured to generate a first charge corresponding to a first amount of light of a first color component of a first wavelength, wherein
the first wavelength is below a first threshold wavelength;
a second photoelectric conversion unit configured to generate a second charge corresponding to a second amount of light of a second color component of a second wavelength, wherein
the second wavelength is above a second threshold wavelength, and
the second threshold wavelength is larger than the first threshold wavelength;
an optical interference film between the first photoelectric conversion unit and the second photoelectric conversion unit, wherein
the optical interference film is configured to:
transmit the second amount of the light of the second color component, and
reflect the first amount of the light of the first color component, and
the optical interference film is one of a single-layer film or a multi-layer film;
a plurality of layers that comprises one of the single-layer film or the multi-layer film, the first photoelectric conversion unit, and the second photoelectric conversion unit, wherein
a first refractive index and a second refractive index of the plurality of layers are alternately repeated, and
the first refractive index is greater than the second refractive index; and
a first color filter configured to transmit only light of a third color component, wherein the first color filter is located at a light incidence side of the first photoelectric conversion unit; and
a second pixel, comprising:
a second color filter configured to transmit only light of a fourth color component; and
a photoelectric conversion film configured to absorb the light of the fourth color component, after transmission through the second color filter, to generate a third charge, wherein
the light of the first color component is blue light (B),
the light of the second color component is red light (R),
the light of the third color component is magenta light (Mg), and
the light of the fourth color component is green light (G).

US Pat. No. 10,656,313

METHOD FOR MANUFACTURING LIGHT SCATTERING FILM

SAMSUNG DISPLAY CO., LTD....

11. A method of manufacturing a light scattering film, the method comprising:providing a light transmissive base having a film shape;
creating a crack on a surface of the light transmissive base by colliding a bead into the light transmissive base; and
selectively etching the light transmissive base, using an etching solution.

US Pat. No. 10,656,312

INSULATED GLAZING UNITS AND MICROOPTICAL LAYER INCLUDING MICROSTRUCTURED ANISOTROPIC DIFFUSER AND METHODS

3M INNOVATIVE PROPERTIES ...

1. A transfer tape, comprising:a removable template layer having a structured surface;
a backfill layer having a first surface disposed on at least a portion of the structured surface of the template layer, and a second surface opposite the structured surface wherein the second surface comprises a microstructured surface;
a layer disposed on at least a portion of the microstructured surface, wherein the layer has a refractive index that differs from the backfill layer,wherein the microstructured surface together with the layer disposed on at least a portion of the microstructured surface is an anisotropic diffuser.

US Pat. No. 10,656,311

DIRECTED ASSEMBLY OF NANOPARTICLES WITH LIGHT AND ELECTRIC FIELD

Vanderbilt University, N...

1. A nanotweezer, comprising:a first metastructure including a first substrate, a first electrode, and a plurality of plasmonic nanostructures;
a second metastructure including a second substrate and a second electrode, wherein the second substrate and the second electrode are substantially transparent to light within a predetermined wavelength range;
a microfluidic channel between the first metastructure and the second metastructure;
a voltage source configured to selectively apply an electric field between the first electrode and the second electrode; and
a light source configured to selectively apply an excitation light to the microfluidic channel, the excitation light having a wavelength within the predetermined wavelength range, wherein
the voltage source is configured to operate in an AC-field mode in which an AC electric field is applied between the first electrode and the second electrode, and a DC-field mode in which a DC electric field is applied between the first electrode and the second electrode,
in the AC-field mode, the plurality of plasmonic nanostructures are configured to deliver a nanoparticle within the microfluidic channel to a location along a surface of the first metastructure in response to the electric field and the excitation light, and
in the DC-field mode, the plurality of plasmonic nanostructures are configured to immobilize the nanoparticle at the location in response to the electric field.

US Pat. No. 10,656,310

OPTICAL FILM AND A LIQUID CRYSTAL DISPLAY INCLUDING THE SAME

SAMSUNG DISPLAY CO., LTD....

1. An optical film comprising:a cover film including intaglios of a plurality of lens patterns extending in a first direction;
a base film which is attached to a surface of the cover film on which the intaglios of the lens patterns are formed; and
an adhesive disposed between the base film and the surface of the cover film, the adhesive formed on a first portion of the surface of the cover film,
wherein the intaglios of the lens patterns are not formed on the first portion of the surface,
wherein an aspect ratio of at least one of the intaglios of the lens patterns ranges from 0.8 to 1.6,
wherein a refractive index of the cover film ranges from 1.5 to 1.65, and
wherein the adhesive does not overlap the intaglios of a plurality of lens patterns in a direction perpendicular to the surface of the cover film.

US Pat. No. 10,656,309

OVERCOAT WIRE GRID POLARIZER HAVING OVERCOAT LAYER SPANNING AIR-FILLED CHANNELS

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

1. A wire grid polarizer (WGP) comprising:an array of wires located over a face of a transparent substrate, the array of wires being substantially-parallel and elongated, with channels between adjacent wires;
each wire of the array of wires having: a cross-sectional profile with a base located closest to the substrate and a distal end located farthest from the substrate; and opposite sides facing the channels on opposite sides of the wire, respectively, and extending from the base to the distal end;
an overcoat layer, comprising aluminum oxide, located at the distal ends of the array of wires and spanning the channels, the channels being air-filled;
a conformal-coat layer which is distinct from the wires and that coats the sides of the wires, the distal ends of the wires between the wires and the overcoat layer, and an exposed surface of the substrate; and
the entire conformal-coat layer has a maximum thickness of <25 nm.

US Pat. No. 10,656,308

ANTISTATIC HARD COAT FILM, POLARIZING PLATE, TOUCH PANEL, LIQUID CRYSTAL DISPLAY DEVICE, AND MANUFACTURING METHOD

ZEON CORPORATION, Chiyod...

1. A method for producing an antistatic hard coat film comprising:a substrate film formed of a thermoplastic resin containing a cycloolefin polymer; and
an antistatic hard coat layer provided on the substrate film, the antistatic hard coat layer containing electroconductive metal oxide fine particles, wherein
the antistatic hard coat layer has a surface resistance value of 1.0×106 ?/sq. or more and 1.0×1010 ?/sq. or less,
the number of streaks each having a length of 20 cm or longer of the antistatic hard coat layer is 2 or less per area of 1,330 mm×500 mm of the antistatic hard coat layer,
the electroconductive metal oxide fine particles in the antistatic hard coat layer are formed of one or more metal oxide selected from tin oxide doped with antimony or fluorine, indium oxide, indium oxide doped with tin or fluorine, indium oxide doped with antimony, antimony oxide, and low valence titanium oxide, andthe electroconductive metal oxide fine particles have surfaces treated with a hydrolysable organosilicon compound,the method comprising:
applying a composition in which an antistatic hard coat agent containing electroconductive metal oxide fine particles are dissolved in a particle aggregation solvent and a particle dispersion solvent onto the substrate film, to form an antistatic hard coat layer, wherein
the composition has a viscosity of 1 mPa·s or more and 6 mPa·s or less, and
a mixing ratio, in weight, of the particle aggregation solvent to the particle dispersion solvent is 50:50 to 85:15.

US Pat. No. 10,656,307

OPTICAL ELEMENT

Fraunhofer-Gesellschaft z...

1. An optical element comprising:a substrate having a silicone surface;
an antireflection layer overlying the silicone surface, wherein the antireflection layer comprises a first organic layer having a reflection-reducing nanostructure, the nanostructure having a depth of at least 30 nm; and
a cover layer overlying the first organic layer, the cover layer having a thickness of no more than 40 nm.

US Pat. No. 10,656,306

SYSTEM AND METHODS FOR IMPROVING THE ACCURACY OF SOLAR ENERGY AND WIND ENERGY FORECASTS FOR AN ELECTRIC UTILITY GRID

The Catholic University o...

1. A method comprising:(A) accessing, by one or more computers, one or more electronic databases, stored on one or more computer readable media, the one or more databases comprising:
(i) forecasted meteorological conditions data associated with forecasted meteorological conditions of a geographical area encompassing an electric power grid;
(ii) forecasted renewable energy generation data associated with one or more sources of renewable energy within the electric power grid as obtained from an energy management computer system associated with the electric power grid;
(iii) time data comprising at least one of time of day data or season data associated with the electric power grid;
(iv) historical data comprising historical renewable energy generation data, historical forecasted meteorological conditions data, historical forecasted renewable energy generation data and historical time data corresponding to the historical forecasted meteorological conditions data and historical forecasted renewable energy generation data;
(B) calculating, by the one or more computers, a renewable energy generation forecast based on the forecasted meteorological conditions data, the forecasted renewable energy generation data, the time data and time-series variables determined based on the historical data, wherein the calculating step comprises:
(i) calculating, by the one or more computers, a transformed forecast of renewable energy generation by inputting the forecasted meteorological conditions data, the forecasted renewable energy generation data and the time data to a transformed renewable energy forecast equation, the transformed renewable energy forecast equation having been derived at a forecast equation module as follows:
1) determining, by the forecast equation module, an estimated Box-Cox parameter associated with the historical renewable energy generation data by performing an initial Box-Cox analysis on a structural equation comprising the historical renewable energy generation data as a dependent variable and the historical forecasted meteorological conditions data, the historical forecasted renewable energy generation data and the historical time data as independent variables;
2) performing, by the forecast equation module, a Box-Cox transformation of the historical renewable energy generation data using the estimated Box-Cox parameter;
3) performing, by the forecast equation module, a multivariable fractional polynomial analysis on the structural equation using the transformed historical renewable energy generation data as a dependent variable to determine exponents for the independent variables;
4) performing, by the forecast equation module, a subsequent Box-Cox analysis of the structural equation using the historical renewable energy generation data as a dependent variable and the historical forecasted meteorological conditions data, the historical forecasted renewable energy generation data and the historical time data as independent variables with the exponents as determined by the multivariable fractional polynomial analysis so as to determine a revised estimated Box-Cox parameter;
5) determining, by the forecast equation module, whether the estimated Box-Cox parameter is equal to the revised estimated Box-Cox parameter;
6) upon the condition that the estimated Box-Cox parameter is not equal to the revised estimated Box-Cox parameter, replacing, by the forecast equation module, the estimated Box-Cox parameter with the revised estimated Box-Cox parameter and iterating back to step 4);
7) upon the condition that the estimated Box-Cox parameter is equal to the revised estimated Box-Cox parameter, generating, by the forecast equation module, a transformed structural equation for the renewable energy forecast, where the transformed structural equation is based on the revised estimated Box-Cox parameter and the independent variables with the exponents as determined by the multivariable fraction polynomial analysis;
8) determining, by the forecast equation module, a plurality of time series variables associated with the transformed structural equation by performing a time series analysis of the transformed structural equation; and
9) generating, by the forecast equation module, the transformed renewable energy forecast equation as a combination of the transformed structural equation and the plurality of time series variables;
(ii) calculating, by the one or more computers, a transformed renewable energy generation forecast using the transformed structural equation; and
(iii) calculating, by the one or more computers, an untransformed renewable energy generation forecast by applying the revised estimated Box-Cox parameter to the calculated transformed renewable energy generation forecast; and
C) providing, by the one or more computers, to an energy management computer system, the untransformed renewable energy generation forecast for generation of a schedule of conventional and renewable energy generation within the electric power grid.

US Pat. No. 10,656,305

METHOD AND APPARATUS FOR SIMULATING SPECTRAL INFORMATION OF GEOGRAPHIC AREAS

THE BOEING COMPANY, Chic...

1. A method of simulating spectral representation of a region of interest, comprising:determining a physical characteristic of a geospatial portion of the region of interest, comprising:
mapping the region of interest to a plurality of geospatial portions, each associated with a physical characteristic; and
determining the physical characteristic of each of the plurality of geospatial portions;
associating the determined physical characteristic of each of the geospatial portions with an associated material of a spectral library communicatively coupled to a simulation engine, the spectral library having at least one spectral definition material;
associating, with a simulation engine, the spectral definition of each associated material of the spectral library with the physical characteristic of the geospatial portion of the region of interest associated with the material, wherein the associated material is at least partially representative of the geospatial portion of the region of interest; and
generating, with the simulation engine, the simulated spectral representation of the region of interest at least in part from at least the associated spectral definition of the at least one material, comprising:
fusing the associated spectral definition of the material associated with each of the plurality of geospatial portions into each geospatial portion; and
generating the simulated spectral representation from the fused associated spectral definitions of the material associated with the geospatial portion for each of the plurality of geospatial portions.

US Pat. No. 10,656,304

BACKSCATTER CHARACTERIZATION USING INTERLINEARLY ADAPTIVE ELECTROMAGNETIC X-RAY SCANNING

American Science and Engi...

1. An x-ray source comprising:a cathode for emitting a beam of electrons;
a beam controller for varying a direction of the beam of electrons relative to an anode;
a snout, opaque to transmission of x-rays therethrough, characterized by a first aperture disposed at one apex of the snout and characterized by a variable snout length; and
a sweep controller for applying a signal to the beam controller in such a manner as to scan the beam of electrons in a prescribed path on the anode, thereby causing an x-ray beam to be emitted from the aperture in a direction that varies as a function of time.

US Pat. No. 10,656,303

SYSTEM AND METHOD FOR SCREENING OBJECTS

Vanderlande Industries B....

12. A method for screening comprising the steps of:a) providing a system for screening objects belonging to individuals including air passengers, comprising:
an infeed station,
a multitude of object containers,
an outfeed station,
a screening station for automatically screening object containers from the infeed station,
a conveyor for conveying object containers from the infeed station to the outfeed station, the conveyor passing through the screening station;
wherein the infeed station comprises an identification terminal, and an object container dispenser for making an object container available to the individual for placement of an object in the object container;
wherein the infeed station further comprises a detection device,
b) determining the individual's identification, using the identification terminal;
c) detecting the individual at the infeed station, using the detection device; and
d) making object containers available to the individual during use of the system only when the individual's identification has been successfully determined using the identification terminal and as long as the detection device continues to detect the individual at the infeed station.

US Pat. No. 10,656,302

DIELECTRIC LOGGING TOOL COMPRISING HIGH-IMPEDANCE METAMATERIALS

Halliburton Energy Servic...

1. A logging tool, comprising:a first transmitter antenna;
a second transmitter antenna;
a plurality of receiver antennas adjacent to each other and disposed between the first transmitter antenna and the second transmitter antenna, wherein the first transmitter antenna, the second transmitter antenna and the plurality of receiver antennas share a common ground plane; and
a first metamaterial disposed on the logging tool between the first transmitter antenna and a first receiver antenna of the plurality of receiver antennas and a second metamaterial disposed on the logging tool between the second transmitter antenna and a second receiver antenna of the plurality of receiver antennas to block one or more surface currents between the first and second transmitter antennas and the plurality of receiver antennas and to at least one of attenuate or remove direct coupling between the first and second transmitter antennas and the plurality of receiver antennas, wherein the first metamaterial is disposed at a distance from both the first transmitter antenna and the first receiver antenna and the second metamaterial is disposed at a distance from both the second transmitter antenna and the second receiver antenna.

US Pat. No. 10,656,301

REDUCING EFFECTS OF CONDUCTIVE MUD ON SINGLE-WELL RANGING

Halliburton Energy Servic...

1. A method for downhole ranging within a formation, the method comprising:exciting from a source a total current between a survey electrode at a first location of a tool and a return electrode located at a second location of the tool within a borehole of the formation, wherein the total current comprises a survey current from the source to the survey electrode, and wherein the survey current flows from the survey electrode to the formation;
isolating a formation current from the total current flowing from the survey electrode to the return electrode, wherein the formation current is based, at least in part, on a resistivity of the formation and the survey current;
isolating, by a guard electrode located between the survey electrode and the return electrode, a gap current from the total current;
determining at least one of one or more ranging parameters of a conductive target based, at least in part, on the isolated formation current, wherein the at least one of the one or more ranging parameters of the conductive target comprises at least one of distance, orientation, direction or any combination thereof of the conductive target within the formation; and
adjusting a drilling operation based, at least in part, on the determined at least one of the one or more ranging parameters of the conductive target.

US Pat. No. 10,656,300

INVERSION METHOD

STATOIL PETROLEUM AS, St...

1. A method of identifying presence of hydrocarbons in a geological structure, comprising the steps of:performing a survey to collect controlled source electromagnetic (CSEM) data of the geological structure;
calculating a numerical model of the geological structure;
spatially discretising the numerical model based on prior knowledge of stratigraphic horizons of the geological structure, by dividing the model into regular intervals horizontally and by dividing a vertical interval between each stratigraphic horizon into a pre-determined number of sub-layers;
defining a first spatial direction in the tangential plane of said structure and a second spatial direction perpendicular to the tangential plane of said structure, wherein the first and second spatial directions are chosen according to said step of discretising the numerical model;
defining a functional for determining the distance between simulated CSEM data and the collected CSEM data,
wherein the functional comprises terms correlating neighbouring geological locations in dependence on the spatially discretised model so that a high correlation is assigned to neighbouring locations in the first spatial direction and a low correlation is assigned to neighbouring locations in the second spatial direction;
using an iterative procedure to determine electromagnetic parameters of the geological structure that minimize said functional; and
using the determined electromagnetic parameters to identify presence of hydrocarbons in the geological structure.

US Pat. No. 10,656,299

METHOD FOR OPERATING A SENSOR DEVICE, AND SENSOR DEVICE

Robert Bosch GmbH, Stutt...

1. A method for operating a sensor system for detecting an object, the sensor system including a first surroundings sensor and a second surroundings sensor for detecting a surroundings of the sensor device, the method comprising: detecting a surroundings of the sensor device using the first surroundings sensor to ascertain first surroundings data based on the detected surroundings, the second surroundings sensor being deactivated; ascertaining whether the first surroundings data are sufficient to be able to conclude with a predetermined probability whether an object is located in the surroundings; if the first surroundings data are sufficient, ascertaining whether an object is located in the surroundings, based on the first surroundings data; activating the deactivated second surroundings sensor only if the first surroundings data are not sufficient; detecting the surroundings of the sensor device using the second surroundings sensor to ascertain second surroundings data based on the detected surroundings; and ascertaining whether an object is located in the surroundings, based on the second surroundings data, wherein both of the first surroundings sensor and the second surroundings sensor are deactivated after the corresponding detection of the surroundings.

US Pat. No. 10,656,298

ULTRASONIC BEAM FOCUS ADJUSTMENT FOR SINGLE-TRANSDUCER ULTRASONIC ASSEMBLY TOOLS

Baker Hughes, a GE Compan...

9. An apparatus for ultrasonic borehole logging in a borehole intersecting the earth formation, the apparatus comprising:an ultrasonic borehole imaging tool comprising:
a single-transducer ultrasonic assembly configured for adjusting a focus for an ultrasonic beam generated from the single-transducer ultrasonic assembly by coupling of a lens corresponding with a size of the borehole with a transducer of the single-transducer ultrasonic assembly;
a receiver configured to generate measurement information responsive to an ultrasonic signal caused by the ultrasonic beam; and
at least one processor configured to generate a borehole image from the measurement information.

US Pat. No. 10,656,297

SELF-TUNING SONIC TRANSMITTERS

HALLIBURTON ENERGY SERVIC...

1. A method comprising:initiating, at a first time and in a downhole location, a first tuning sequence, wherein initiating the first tuning sequence involves transmitting a plurality of frequencies via a first firing mode to a downhole formation;
recording, based on the plurality of frequencies, a frequency response of the downhole formation for each frequency in the plurality of frequencies, to yield a plurality of frequency responses;
identifying a first mode best frequency response, based on a semblance plot, in the plurality of frequency responses, wherein the first mode best frequency response is in response to a specific frequency in the plurality of frequencies; and
measuring properties of the downhole formation, in the firing mode, with the specific frequency until a second tuning sequence is initiated.

US Pat. No. 10,656,296

PROCESSING OF SEISMIC DATA

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

1. A method for characterizing a subterranean section of the earth, the method comprising:placing one or more seismic sources at one or more known locations;
placing one or more seismic receivers at varying distances from the one or more seismic source locations;
obtaining seismic data from the subterranean section of the earth by triggering the one or more seismic sources and recording reflected seismic energy from the subterranean section of the earth with the one or more seismic receivers;
determining, by a computer, a rock fabric attribute of the subterranean section of the earth from the seismic data obtained from the subterranean section of the earth, wherein the rock fabric attribute is given by a rotation of normal vectors of a 3D gradient field extracted from a seismic cube of the seismic data;
using the rock fabric attribute to determine properties of and/or to generate an image of the subterranean section of the earth; and
using the determined properties and/or the generated image in designing increased reservoir contact area during hydraulic fracturing and/or in real-time by reducing out of zone hydraulic fracturing.

US Pat. No. 10,656,295

SYSTEMS AND METHODS FOR DOWNSCALING STRESS FOR SEISMIC-DRIVEN STOCHASTIC GEOMECHANICAL MODELS

Schlumberger Technology C...

1. A method for generating one or more subsurface stress models, comprising:receiving seismic data of a subterranean formation;
generating inversion attributes by performing a stochastic seismic inversion on the seismic data, wherein the inversion attributes comprise acoustic impedance, a ratio of a compression wave velocity to a shear wave velocity, and density;
generating a plurality of first geomechanical property models based at least partially on the inversion attributes, wherein the plurality of first geomechanical property models represent the acoustic impedance, the ratio of the compression wave velocity to the shear wave velocity, and the density, and wherein the first geomechanical property models are substantially equally probable to one another;
generating a second geomechanical property model based at least partially on the seismic data, wherein the second geomechanical property model has a lower resolution than the first geomechanical property models;
generating a stress model, a strain model, or a combination thereof based on the second geomechanical property model, wherein the stress model, the strain model, or the combination thereof has a lower resolution than the first geomechanical property models;
generating a first subsurface stress model based on one of the first geomechanical property models and the stress model, the strain model, or the combination thereof; and
generating a second subsurface stress model based on another one of the first geomechanical property models and the stress model, the strain model, or the combination thereof, wherein the first and second subsurface stress models have a higher resolution than the stress model, the strain model, or the combination thereof.

US Pat. No. 10,656,294

GENERATING A VELOCITY MODEL USING SUBSURFACE AZIMUTH AND REFLECTION ANGLE DEPENDENT FULL WAVEFORM INVERSION

Saudi Arabian Oil Company...

1. A computer-implemented method for generating a velocity model for a subsurface area, comprising:obtaining, at a data processing apparatus, source wavefields and residual wavefields, wherein the source wavefields and the residual wavefields are calculated based on seismic data associated with the subsurface area;
decomposing, by the data processing apparatus, the source wavefields and the residual wavefields into a subsurface azimuth and reflection angle domain, wherein the decomposing the source wavefields and the residual wavefields into the subsurface azimuth and reflection angle domain comprises calculating decomposed source wavefields and decomposed residual wavefields based on subsurface azimuth angles and subsurface reflection angles for a plurality of time steps;
calculating, by the data processing apparatus, a plurality of gradient direction components based on the decomposed source wavefields and the residual wavefields;
scaling, by the data processing apparatus, the plurality of gradient direction components based on azimuths and angles associated with each of the plurality of gradient direction components;
calculating, by the data processing apparatus, a gradient direction based on the scaled gradient direction components;
generating the velocity model using the gradient direction; and
generating images of the subsurface area by using the velocity model.

US Pat. No. 10,656,293

SHIP-TOWED HYDROPHONE VOLUMETRIC ARRAY SYSTEM APPARATUS

Proteus Technologies, Sl...

1. A ship-towed hydrophone volumetric array, comprising:a fore-structure comprising a nose cone;
a mid-structure attached to said fore-structure opposite said nose cone wherein said mid-structure comprises:
a main tube housing comprising a central axis,
a fore-and-aft hydrophone tube wherein said fore-and-aft hydrophone tube is parallel to said main tube housing and connected to said fore-structure by a first fore-fin, and wherein located inside said fore-and-aft hydrophone tube is a fore hydrophone and an aft hydrophone,
a port hydrophone tube wherein said port hydrophone tube is parallel to said main tube housing and connected to said fore-structure by a second fore-fin, and wherein located inside said port hydrophone tube is a port hydrophone, and
a starboard hydrophone tube wherein said starboard hydrophone tube is parallel to said main tube housing and connected to said fore-structure by a third fore-fin, and wherein located inside said starboard hydrophone tube is a starboard hydrophone
wherein said fore hydrophone, said aft hydrophone, said port hydrophone and said starboard hydrophone form points of a tetrahedron shape and said central axis passes through a projected center point of said tetrahedron of hydrophones; and
an aft-structure attached to said mid-structure opposite said fore-structure wherein said aft-structure comprises a fore-and-aft aft fin, a port aft fin and a starboard aft fin wherein said fore-and-aft aft fin connects said aft-structure to said fore-and-aft hydrophone tube, said port aft fin connects said aft-structure to said port hydrophone tube and said starboard aft fin connects said aft-structure to said starboard hydrophone tube;
a pressure-depth sensor wherein said pressure-depth sensor is located inside said main tube housing;
an orientation sensor wherein said orientation sensor is located inside said main tube housing; and
a cable clamp located on said nose cone of said fore-structure opposite.

US Pat. No. 10,656,292

WATER PUMPING AND INJECTING MULTI-LAYERED CONCENTRIC SPHERE NEUTRON SPECTROMETER

Chengdu University of Tec...

1. A water pumping and injecting multi-layered concentric sphere device, comprising: a neutron detector, a plurality of shells concentrically provided, and a water pumping and injecting device; wherein an innermost shell of the shells surrounds a surface of the neutron detector; gaps are formed between adjacent shells for containing liquid; the shells are made of an aluminum material; a valve is arranged on each of the shells except the innermost shell; the water pumping and injecting device is connected to the valve of each of the shells except the innermost shell, so as to input water into the gaps or output the water from the gaps.

US Pat. No. 10,656,291

SYSTEMS AND METHODS FOR IMAGE QUALITY ENHANCEMENT FOR OUT OF FOCUS REGIONS FOR MULTI-HEAD CAMERA

General Electric Company,...

1. A nuclear medicine (NM) multi-head imaging system comprising:a gantry defining a bore configured to accept an object to be imaged;
plural detector units mounted to the gantry, each detector unit defining a detector unit position and corresponding view oriented toward a center of the bore, each detector unit configured to acquire imaging information over a sweep range corresponding to the corresponding view, wherein the detector units are configured to be swept independently of gantry rotation; and
at least one processor operably coupled to at least one of the detector units, the at least one processor configured to:
acquire, via the at least one of the detector units, imaging information, the imaging information comprising focused imaging information corresponding to a focused region of the object to be imaged and background imaging information corresponding to surrounding tissue of the object to be imaged of the focused region; and
reconstruct, after acquiring the imaging information, an image using the focused imaging information and the backgound imaging information using a first reconstruction technique for the focused imaging information acquired via the at least one of the detector units and a different, second reconstruction technique for the background imaging information acquired via the at least one of the detector units, wherein the second reconstruction technique comprises additional iterative reconstructions relative to the first reconstruction technique, wherein the processor is configured to:
acquire first original projections of the focused imaging data and second original projections of the background imaging data during an imaging acquisition:
perform initial iterations using at least the background imaging data to perform an initial background reconstruction;
perform a forward projection on the initial background reconstruction to provide modified background projections:
combine the modified background projections with the original projections of the focused imaging data to provide combined projections; and
perform final iterations on the combined projections to provide a final reconstruction.

US Pat. No. 10,656,290

DIRECT PHOTON CONVERSION DETECTOR

KONINKLIJKE PHILIPS N.V.,...

1. An X-ray detector element comprising a layered structure comprising a direct conversion X-ray detection layer comprising a material having a perovskite crystal structure, wherein said X-ray detection layer is connected on a first side to an electrical contact structure and on a second side, opposite to the first side, to a read-out layer comprising an electrically conductive read-out structure.

US Pat. No. 10,656,289

SCINTILLATOR PLATE AND RADIATION DETECTOR USING SAME

Canon Kabushiki Kaisha, ...

1. A scintillator plate comprising:a scintillator substrate;
a scintillator formed on the scintillator substrate; and
a protection film covering the scintillator, the scintillator having a plurality of crystal bodies of columnar structures projecting from a surface of the scintillator substrate, wherein
the protection film has at least a plurality of metal atoms, an oxygen atom, and a hydrophobic functional group,
a certain metal atom of the plurality of metal atoms is bonded to another metal atom of the plurality of metal atoms through the oxygen atom,
the hydrophobic functional group has a carbon atom, and
the carbon atom is bonded to any one of the plurality of metal atoms.

US Pat. No. 10,656,288

DIGITAL SILICON PHOTOMULTIPLIER FOR TOF-PET

KONINKLIJKE PHILIPS N.V.,...

1. A radiation detector comprising:a scintillator; and
an array of detector pixels disposed monolithically on a common silicon substrate and arranged to receive bursts of light produced by the scintillator in response to received radiation, wherein each detector pixel includes:
an array of detector cells, each detector cell including a photodiode biased in a breakdown region and digital circuitry coupled with the photodiode, the digital circuitry being configured to output a first digital value in a quiescent state and a second digital value responsive to detection of a photon by the photodiode;
digital triggering circuitry configured to output a trigger signal indicative of a start of an integration time period responsive to a selected number of one or more of the detector cells transitioning from the first digital value to the second digital value; and
readout digital circuitry that accumulates a count of a number of transitions of detector cells of the array of detector cells from outputting the first digital value to outputting the second digital value over the integration time period.

US Pat. No. 10,656,287

SYSTEMS AND METHODS FOR DATA STORAGE AND RETRIEVAL

Battelle Memorial Institu...

1. A system, comprising:an ionizing radiation beam source situated to produce a modulated ionizing radiation beam and to focus the modulated ionizing radiation beam to a predetermined spot size at an OSL target situated to receive the modulated ionizing radiation beam; and
a scanner situated to produce a movement between the ionizing radiation beam and the OSL target at a scan rate so as to produce a plurality of OSL active data regions in the OSL target corresponding to the scan rate and the modulation of the ionizing radiation beam at a pitch smaller than a read beam area used to access the OSL active data regions.

US Pat. No. 10,656,286

V2V CLUSTERING AND MULTI-HOP COMMUNICATION

VEONEER US INC., Southfi...

1. An apparatus comprising:a processor configured to (i) receive data messages from a plurality of vehicles and (ii) determine relative coordinates of said vehicles based on said data messages; and
a transceiver configured to (i) communicate said data messages using a first channel in a first range and (ii) communicate short messages using a second channel in a second range, wherein (a) communicating using said second channel consumes more power than communicating using the first channel, (b) said data messages are sent from said transceiver to a cluster head within said first range, (c) said short messages communicate less data than said data messages, (d) said short messages are sent directly to a target vehicle outside of said first range to determine an associated cluster head for said target vehicle and (e) said data messages are sent to said target vehicle from said associated cluster head via said cluster head within said first range.

US Pat. No. 10,656,285

METHOD FOR POSITIONING A MOBILE TERMINAL AT THE MOMENT WHEN A TRIGGER EVENT OCCURS

Trusted Positioning, Inc....

1. A method for positioning a mobile terminal positioning at a trigger event moment, comprising:providing at least one processor;
acquiring with the at least one processor inertial and non-inertial sensors readings for the mobile terminal and allocating time intervals during which a sequence of readings of at least one sensor generates a stationary process;
detecting with the at least one processor at least one time interval when at least one stationary process is replaced by another stationary process, wherein each stationary process represents a random process with different statistical characteristics describing movement of the mobile terminal;
detecting with the at least one processor parameters of minimum one movement pattern for at least one stationarity interval;
detecting with the at least one processor at least one position of the mobile terminal based on readings of non-inertial sensors;
estimating with the at least one processor a mobile terminal path according to parameters of at least one pattern of movement; and
detecting with the at least one processor a position corresponding to a transition time from one stationary process to another with the position of the mobile terminal at a time corresponding to a particular trigger event.

US Pat. No. 10,656,284

LOCALIZATION AND TRACKING USING LOCATION, SIGNAL STRENGTH, AND PSEUDORANGE DATA

Uber Technologies, Inc., ...

1. A method for determining whether a user device is indoors, the method comprising:receiving, at a GNSS receiver included in the user device, a first data point of GNSS, SNR, and pseudorange data from a satellite system having a plurality of satellites;
initializing a first particle set based on the first data point, wherein each particle in the first particle set represents a hypothetical location of the user device;
predicting a distribution of particle locations for each particle in the first particle set using a motion model;
sampling the predicted distributions of particle locations for each particle in the first particle to create a second particle set, wherein each particle in the second particle set represents a hypothetical location of the user device after an update interval;
receiving a second data point of GNSS, SNR, and pseudorange data, wherein the pseudorange data includes a plurality of pseudorange estimates, each pseudorange estimate associated with one of the plurality of satellites; and
determining, based on the second particle set and the received second data point, whether the user device is indoors.

US Pat. No. 10,656,283

ADAPTATIVE ANTENNA ASSEMBLY FOR IMPROVING PRECISION OF A GNSS RECEIVER IN A PERTURBATED ENVIRONMENT

1. An antenna assembly for receiving GNSS signals, the antenna assembly comprising:a plurality of RF antenna elements adapted to receive the GNSS signals;
driving circuits adapted to drive the plurality of RF antenna elements to generate a defined radiation pattern for receiving the GNSS signals;
a sensor configured to capture data representative of one or more characteristics of portions of a volume in a field of view of the antenna assembly;
one or more RF ports to one or more GNSS receivers;
computing logic configured to output a first projection of the portions of the volume on a first surface and a second projection of the defined radiation pattern on a second surface referenced to the first surface, said first projection being classified into a discrete number of classes based on said data;
processing logic configured to generate command signals of the driving circuits to shape the defined radiation pattern based on the classified first projection and send the GNSS signals received by the plurality of RF antenna elements with the defined radiation pattern to the one or more GNSS receivers through the one or more RF port.

US Pat. No. 10,656,282

SYSTEM AND METHOD FOR LOCALIZATION AND TRACKING USING GNSS LOCATION ESTIMATES, SATELLITE SNR DATA AND 3D MAPS

THE REGENTS OF THE UNIVER...

1. A method of determining location of a user device, the method comprising:receiving global navigation satellite system (GNSS) fix data that represents a GNSS calculated position of the user device;
receiving signal strength data associated with each satellite communicating with the user device;
receiving map information regarding an environment surrounding the user device;
providing the received GNSS fix data, signal strength data, and a sampled particle set generated based on a previous particle set output to a particle filter, wherein the particle filter updates particle weights associated with the previous particle set output by fusing the GNSS fix data and the signal strength data, wherein the particle filter utilizes GNSS fix matching based on the GNSS fix data and probabilistic shadow matching estimates that represent a likelihood of received signal strength data as a function of hypothesized user device locations within the environment described by the received map information to update the particle weights and generate an output particle set estimate;
applying a motion model to the output particle set estimate, wherein the motion model generates a predicted particle set that for each particle location comprises a distribution of possible locations and a distribution of possible velocities in a future time step;
applying Rao-Blackwell sampling to the predicted particle set to generate a sampled particle set, wherein Rao-Blackwell sampling restricts the distribution of possible locations to a point mass, and wherein the sampled particle set is provided in feedback to the particle filter to be updated based on the received GNSS fix data and signal strength data; and
providing a corrected device location output based on the output particle set estimate generated by the particle filter.

US Pat. No. 10,656,281

SYSTEMS AND METHODS FOR INTERFERENCE DETECTION IN SHARED SPECTRUM CHANNELS

Cable Television Laborato...

1. A communication system, comprising:a satellite receiver in operable communication with a central server;
a cellular node configured to operate within a proximity of the satellite receiver; and
at least one mobile communication device configured to communicate (i) with the cellular node, (ii) within the proximity of the satellite receiver, and (iii) using a transmission signal capable of causing interference to the satellite receiver,
wherein the satellite receiver is configured to detect a repeating portion of the transmission signal and determine a potential for interference from the at least one mobile communication device based on the detected repeating portion.

US Pat. No. 10,656,280

VEHICLE MONITORING SYSTEMS AND METHODS

KEY CONTROL HOLDING, INC....

1. A vehicle management system comprising:a vehicle information module, the vehicle information module including a location determination module having a GPS data pathway to an RF transmission module, the vehicle information module having a vehicle information data pathway to an RF transmission module, the vehicle information module including a diagnostic connector including a power pin connector configured in accordance with OBD-II standards and configured to plug into an OBD-II port of a vehicle, wherein the vehicle information module is adapted to communicate with at least one computer system of the vehicle to gather at least one vehicle parameter; and
a receiver comprising an RF antenna and a receiver processor wherein the RF transmission module is configured to only transmit GPS location information when the location determination module is within a car lot.

US Pat. No. 10,656,279

ELECTRONIC DEVICE AND METHOD FOR MEASURING POSITION INFORMATION OF ELECTRONIC DEVICE

Samsung Electronics Co., ...

1. A portable communication device comprising:a global positioning system (GPS) module;
one or more sensors; and
a processor configured to:
identify, using the GPS module, a first GPS position of the portable communication device,
in response to identifying the first GPS position using the GPS module, control the GPS module to operate at a first duty cycle,
after a duty cycle of the GPS module is lowered, determine, using at least one sensor of the one or more sensors, information relating to a movement of the portable communication device from when the first GPS position is identified, and
based at least in part on the determined information, control the GPS module to operate at a second duty cycle which is higher than the first duty cycle.

US Pat. No. 10,656,278

DETECTING ASSET LOCATION DATA ANOMALIES

International Business Ma...

1. A computer implemented method for processing location sensor data, the computer implemented process comprising:receiving, by one or more computer processors, a defined area for tracking assets;
defining, by one or more computer processors, an overlay grid associated with the defined area, the overlay comprising a plurality of cells;
receiving, by one or more computer processors, location sensor data for a moving asset;
identifying, by one or more computer processors, a current location of a moving asset associated with the overlay grid;
calculating, by one or more computer processors according to a probability engine, a probability of transitioning from a previous location to a current location associated with overlay grid;
determining, by one or more computer processors, that the probability of transitioning from a previous location to a current location associated with the overlay grid, is less than a predetermined value;
registering, by one or more computer processors, an anomaly associated with the current location; and
identifying, by one or more computer processors, the current position as a last known position of the moving asset.

US Pat. No. 10,656,277

ADAPTIVE CONTROL OF LADAR SYSTEM CAMERA USING SPATIAL INDEX OF PRIOR LADAR RETURN DATA

AEYE, INC., Belleville, ...

1. A ladar system comprising:a ladar transmitter configured to transmit a plurality of ladar pulse shots into a coordinate space toward a plurality of range points;
a camera configured to generate images of a field of view that encompasses the coordinate space;
a memory configured to spatially index ladar return data for prior ladar pulse shots by location in the coordinate space, wherein the spatial index comprises a tree structure having a root node, a plurality of branches, and a plurality of leaf nodes, wherein the leaf nodes associate the ladar return data with corresponding locations in the coordinate space; and
a processor configured to (1) traverse the tree structure based on an identified range point location in the coordinate space to identify leaf nodes in the tree structure that include ladar return data associated with locations within a defined vicinity around the identified range point location, (2) extract ladar return data from the identified leaf nodes, and (3) define a control setting for the camera based on an analysis of the extracted ladar return data; and
wherein the camera is further configured to generate new images of the field of view based on the defined control setting.

US Pat. No. 10,656,276

SYSTEMS AND METHODS FOR INWARD-LOOKING DEPTH SCANNING OF A SCAN ZONE

Verizon Patent and Licens...

1. A depth scanning system comprising:a first depth scanning device having a first scan head and configured to
be disposed on a boundary of a scan zone at a first location where a first pair of segments of the boundary meet to form a first angle that includes the scan zone,
perform a first sequence of depth scanning operations where the first depth scanning device detects, from a first vantage point of the first location, depth data for surfaces included within the scan zone by rotating, for each depth scanning operation in the first sequence of depth scanning operations, the first scan head to sweep a first scan field across the first angle and
aim, at a particular moment during each depth scanning operation in the first sequence of depth scanning operations, the first scan field at a second vantage point of a second location where a second pair of segments of the boundary meet to form a second angle that includes the scan zone; and
a second depth scanning device having a second scan head and configured to
be disposed on the boundary of the scan zone at the second location,
perform, concurrently with the performance of the first sequence of depth scanning operations, a second sequence of depth scanning operations where the second depth scanning device detects, from the second vantage point at the second location, additional depth data for the surfaces included within the scan zone by rotating, for each depth scanning operation in the second sequence of depth scanning operations, the second scan head to sweep a second scan field across the second angle, and
aim, at the particular moment during each depth scanning operation, the second scan field at the first vantage point of the first location.

US Pat. No. 10,656,275

REMOTE SENSING FOR DETECTION AND RANGING OF OBJECTS

Apple Inc., Cupertino, C...

1. A system for sensing objects, the system comprising:a light source;
a camera;
a light radar (lidar) system;
a region of interest identification circuit identifying a region of interest corresponding to an object and a first range of distance to the region of interest, the first range of distance to the region of interest being determined based on a delayed timing relationship between the camera and the light source, the delayed timing relationship including an illumination of the light source followed by a delay for a period of time corresponding to the first range of distance and an opening of an exposure window of the camera at a first time after the period of time has elapsed, the exposure window being closed at a second time, the first time corresponding to a first edge of a photon collection zone and the second time corresponding to a second edge of the photon collection zone, the region of interest being in the photon collection zone; and
a range refining circuit refining the first range to a second range of distance to the region of interest by probing the region of interest using the lidar system, the second range having a lower uncertainty than the first range.

US Pat. No. 10,656,273

METHOD FOR OPERATING ON OPTOELECTRONIC SENSOR OF A MOTOR VEHICLE HAVING VARIABLE ACTIVATION OF A LIGHT SOURCE, OPTOELECTRONIC SENSOR, DRIVER ASSISTANCE SYSTEM, AND MOTOR VEHICLE

Valeo Schalter und Sensor...

1. A method for operating an optoelectronic sensor of a motor vehicle, the method comprising:during a measuring cycle for detecting an object, emitting light pulses using an emitting unit;
receiving the light pulses reflected from the object using a receiving unit;
activating a light source of the emitting unit at determined emission points in time to emit the light pulses; and
deflecting the light pulses, using a deflection unit of the emitting unit, within a predetermined angle range,
wherein the light source is activated in such a way that time intervals between the determined emission points in time differ from one another,
wherein the deflection unit has a mirror element, which is periodically deflected to deflect a light pulse,
wherein a deflection angle of the mirror element is determined and the light source is activated in dependence on the determined deflection angle,
wherein a plurality of angle positions for the emission of the light pulses is determined within the angle range, an emission deflection angle is determined for each of the angle positions, and the respective light pulse is emitted if the deflection angle of the mirror element corresponds to one of the emission deflection angles,
wherein on the basis of the present deflection angle of the mirror element, an emission deflection angle closest to the present deflection angle is determined and the light pulse is emitted if the present deflection angle corresponds to the closest emission deflection angle,
wherein a waiting time is determined on the basis of the present deflection angle and the closest emission deflection angle, after the passage of which the mirror element will reach the closest emission deflection angle, and the light pulse will be emitted after the passage of the waiting time, and
wherein the mirror element is an oscillating mirror element.

US Pat. No. 10,656,272

LADAR SYSTEM AND METHOD WITH POLARIZED RECEIVERS

AEYE, INC., Belleville, ...

1. A ladar system comprising:a first receiver that receives a ladar return from a ladar pulse with a known transmit polarization;
a second receiver that receives the ladar return from the ladar pulse with the known transmit polarization; and
a control circuit that (1) measures incident polarization signals at the first and second receivers with respect to the received ladar return and (2) separates a retro-reflective portion of the received ladar return from a non-retro-reflective portion of the received ladar return based on the measured incident polarization signals and the known transmit polarization;
wherein the control circuit comprises mixing logic that combines the measured incident polarization signals from the first and second receivers as a weighted sum of the measured incident polarization signals from the first and second receivers so as to mitigate retro-reflector interference.

US Pat. No. 10,656,271

TIME-OF-FLIGHT DISTANCE MEASUREMENT DEVICE AND METHOD FOR SAME

DENSO CORPORATION, Kariy...

1. A time-of-flight distance measurement device comprising:a light emitting element configured to emit a modulated light modulated in a pattern having a repetitive period toward a space;
a driving unit configured to set a duty of a light emission waveform to be shorter than 50% and to drive the light emitting element at the duty;
a light receiving element configured to distribute charges of photoelectron generated corresponding to an incident light containing a reflected light obtained by reflecting the modulated light on an object to a plurality of storage capacitors and to store, as a charge amount of the photoelectron, the distributed charges;
a control unit configured to discard the charges generated according to the incident light without integrating the charges to control an exposure of the light receiving element; and
a signal processing unit configured to measure a distance to the object by using a value sampled by the light receiving element, wherein
the control unit is configured to control the exposure of the light receiving element to give a sensitivity to at least one high-order harmonic, and
the signal processing unit is configured to linearly combine a component of a fundamental wave with a component of the at least one high-order harmonic to measure the distance to the object.

US Pat. No. 10,656,270

OBJECT DETECTION DEVICE, OBJECT DETECTION METHOD, AND PROGRAM

OMRON Corporation, Kyoto...

1. An object detection device comprising:a light source that outputs a first signal toward an object;
a sensor comprising a plurality of detection units each detecting a second signal generated when the first signal is reflected by the object as a signal representing a distance to the object present in an observed area and a shape of the object, wherein the plurality of detection units comprises three or more detection units; and
a hardware controller, being configured to function as:
a data acquiring unit that acquires, for each of the plurality of detection units, a detection signal waveform represented as a change in an intensity of the second signal with respect to time; and
an object information determining unit that determines a presence range of the object by determining whether two or more arbitrary detection units correspond to the same object or different objects on the basis of the detection signal waveform.

US Pat. No. 10,656,268

ACOUSTIC SPATIAL DIAGNOSTICS FOR SMART HOME MANAGEMENT

ON SEMICONDUCTOR CONNECTI...

1. A method comprising:training a smart transceiver with spatial context conditions by sampling an acoustic environment via an array of microphones operatively coupled to the smart transceiver;
generating an acoustic spatial map of activity within the acoustic environment based on sets of acoustic samples;
analyzing the acoustic spatial map to identify a particular acoustic profile in the acoustic environment; and
correlating the acoustic profile to a physical object to determine that the physical object is present in the acoustic environment.

US Pat. No. 10,656,267

UNDERWATER ACOUSTIC TRACKING AND TWO WAY MESSAGING SYSTEM

OceanServer Technology, I...

1. A method for tracking a position of an underwater device, comprising:providing a beacon on or below the surface of the water, the beacon being located in a known position;
providing a device-to-track below the surface of the water, the device-to-track having data locating its position with respect to the beacon;
providing each of the beacon and the device-to-track with a synchronized time base;
sending a first location acoustic pulse from the device to locate to the beacon, the timing of the range acoustic pulse representing a first location information representing the position of the device-to-track from the device to locate to the beacon;
sending a second location acoustic pulse from the device to locate to the beacon, the timing of the second range acoustic pulse representing a second location information representing the position of the device-to-track from the device to locate to the beacon;
calculating the location of the device to be tracked based on an arrival time of the first location information at the beacon, an arrival time of the second location information at the beacon, and the known position of the beacon.

US Pat. No. 10,656,266

SYSTEM AND METHODS FOR ESTIMATING STORAGE CAPACITY AND IDENTIFYING ACTIONS BASED ON SOUND DETECTION

Walmart Apollo, LLC, Ben...

1. A storage capacity estimation and action identification system, comprising:an array of microphones disposed in an area of a facility that includes a plurality of storage units, the microphones being configured to detect arbitrary sounds in the area and to detect reflections of the arbitrary sounds from at least one of the plurality of storage units, the microphones being configured to output time varying electrical signals upon detection of the arbitrary sounds and the reflections; and
a computing system operatively coupled to the array of microphones, the computing system programmed to:
receive the time varying electrical signals associated with the arbitrary sounds and the reflections;
determine which of the arbitrary sounds correspond to each of the reflections; andestimate an available capacity of the at least one storage unit based on a relationship of the arbitrary sounds to the reflections corresponding to the arbitrary sounds.

US Pat. No. 10,656,265

MINING WORK MACHINE

HITACHI CONSTRUCTION MACH...

1. A mining work machine including:a periphery detection device that radially irradiates millimeter-waves forward in a traveling direction, receives reflected waves from a plurality of measurement points, and periodically detects positions of the measurement points and speeds of the measurement points relative to the mining work machine, and
a speed sensor that detects a traveling speed of the mining work machine, wherein:
the mining work machine further comprises an obstacle determination device that determines whether an obstacle candidate is a non-obstacle which would not interfere with traveling of the mining work machine; and
the obstacle determination device comprises: a grouping processing section that puts the detected measurement points into a single group, in which the measurement points are located on the same obstacle candidate, if the detected measurement points are equal to or smaller than predetermined size thresholds equivalent in size to the mining work machine,
a stationary/moving determination section that, based on the relative speeds of the obstacle candidate at the measurement points put into the group and the traveling speed of the mining work machine as detected in a current cycle, determines whether the obstacle candidate is a stationary object or a moving object, and
a size determination section that determines a type of the obstacle candidate based on a result of a comparison between a size of the obstacle candidate associated with the measurement points put into the group by the grouping processing section and the predetermined size thresholds.

US Pat. No. 10,656,264

LINEAR VIRTUAL FENCE SYSTEM USING RADAR AND REFLECTOR

Bitsensing Inc., Seoul (...

1. A system comprising:a radar including a transmitter and a receiver, the transmitter configured to transmit an electromagnetic wave;
a reflector placed a predetermined distance away from the radar, the reflector configured to reflect the transmitted electromagnetic wave back to the receiver; and
a control unit coupled to the radar and configured to
measure a magnitude of the reflected electromagnetic wave received at the receiver from the reflector by measuring Doppler information corresponding to the predetermined distance of the reflector,
measure a reference value of the magnitude of the reflected electromagnetic wave when no intrusions are occurring, which is indicated by the Doppler information corresponding to the predetermined distance, and
trigger an alarm when the magnitude of the reflected electromagnetic wave indicates a change in radar cross section (RCS) from the reference value by more than a threshold percentage, which is indicated by the Doppler information corresponding to a value different from the predetermined distance.

US Pat. No. 10,656,263

EXTENDED LOCALIZATION RANGE AND ASSETS TRACKING

QUALCOMM Incorporated, S...

1. A device comprising:a transceiver configured to:
transmit a first set of wireless signals, in a first frequency band, detectable by RFID (radio frequency identification) transponder devices;
a transmitter configured to:
transmit a second set of wireless signals, at a second frequency band different from the first frequency band, detectable by the RFID transponder devices; and
a controller communicatively coupled to the transceiver and the transmitter, wherein the controller is configured to:
receive, via the transceiver, a set of reply wireless signals, in the first frequency band, from one or more of the RFID transponder devices responsive to the first set of wireless signals, wherein the set of reply wireless signals comprising identification information that are associated with the one or more of the RFID transponder devices and orientation information that is representative of relative orientation of the respective one or more of the RFID transponder devices to the device, and wherein the orientation information is based on the second set of wireless signals; and
determine location information for at least one of the one or more of the RFID transponder devices based on the identification data and the orientation information.

US Pat. No. 10,656,262

AIRBORNE PRECISION DOPPLER VELOCITY RADAR

The Boeing Company, Chic...

1. A method comprising:transmitting a radar signal with an antenna unit of an airborne platform, wherein a beamwidth of the antenna unit covers a hemisphere underneath an aircraft;
receiving at least one radar reflection with the antenna unit;
determining, by one or more processors, if a falling edge of a Doppler signature of the received radar reflection is greater than a threshold amplitude, wherein the threshold amplitude of the Doppler signature is an amplitude level that reduces reflections from undesirable moving objects, and wherein the Doppler signature is a magnitude of the reflections that the radar unit received and a frequency offset associated with the least one radar reflection;
determining, by the one or more processors, a signal representative of an airspeed based on the falling edge of the threshold amplitude of the Doppler signature exceeding the threshold;
providing the signal representative of the airspeed to an inertial measurement system;
determining location parameters of the airborne platform by the inertial measurement system, including determining at least one sensor adjustment for the inertial measurement unit based on the signal representative of the airspeed to offset a drift or bias in the inertial measurement unit; and
operating the inertial measurement system in a mode having the sensor adjustment.