US Pat. No. 10,558,088

DISPLAY SUBSTRATE MOTHERBOARD AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A display substrate motherboard comprising:a plurality of display regions spaced from each other; and
an assistant support structure between two adjacent display regions of the plurality of display regions,
wherein a height of the assistant support structure increases gradually from an edge of the assistant support structure towards a central location of the assistant support structure along a predetermined direction,
the display substrate motherboard further comprises a substrate motherboard, the assistant support structure and the display pattern layer being arranged on the substrate motherboard,
wherein the display pattern layer comprises a black matrix, color filter blocks separated by the black matrix, a protection layer covering the black matrix and the color filter blocks and a spacer on the protection layer,
wherein the assistant support structure comprises at least one of a black matrix retention pattern arranged in a same layer as the black matrix, a color filter block retention pattern arranged in a same layer as the color filter blocks, a protection layer retention pattern arranged in a same layer as the protection layer and an assistant spacer arranged in a same layer as the spacer, and
wherein the assistant support structure comprises a stepped portion which has a height increasing gradually from an edge of the assistant support structure towards a central location of the assistant support structure along a predetermined direction, and an assistant spacer is provided on each step of the stepped portion.

US Pat. No. 10,558,087

LIQUID CRYSTAL DISPLAY AND MANUFACTURING METHOD THEREOF

SAMSUNG DISPLAY CO., LTD....

1. A liquid crystal display comprising:a first substrate;
a second substrate configured to be separated from and overlap the first substrate;
a liquid crystal layer disposed between the first substrate and the second substrate and including liquid crystal molecules;
a first polymer layer disposed between the first substrate and the liquid crystal layer;
a second polymer layer disposed between the second substrate and the liquid crystal layer; and
a plurality of protrusions disposed in at least one of a first position between the first polymer layer and the liquid crystal layer and a second position between the second polymer layer and the liquid crystal layer,
wherein the plurality of protrusions include polymers of reactive mesogens, and
the first polymer layer and the second polymer layer include a polymer of a compound represented by Chemical Formula 1:

wherein, in Chemical Formula 1,
“A” includes a compound which includes one or more of C, N, an aromatic ring, a heteroaromatic ring, an aliphatic ring, a heterocyclic ring, a condensed ring thereof, a tertiary amine, and two or more ring compounds linked to each other,
“X” is independently selected from one of a single bond, —O—, —S—, —CO—, —CO—O—, —OCO—, —O—CO—O—, —OCH2—, —SCH2—, —CH2S—, —CF2O—, —OCF2—, —CF2S—, —SCF2—, —(CH2)l—, —CF2CH2—, —CH2CF2—, —(CF2)l—, —CF?CF—, —C?C—, —CH?CH—COO—, —OCO—CH?CH—, —R0—, —CH(—Sp-P0)—, —CH2CH(—Sp-P0)—, and —CH(—Sp-P0)CH(—Sp-P0)—,
“Sp” is a spacer or a single bond,
P0, P1, P2, and P3 are independently selected from one of

“Ra” is selected from one of —H, —F, —OH, —NH2, —CN, —B(OH)2, —SH, —Br, —I, a heteroaromatic ring, a heterocyclic ring, —OCH3, —OCH2CH3, —OCH2CH2CH3, —O—(CH2—CH2)m-OCH3, —NH(CH2)mCH3, —N((CH2)mCH3)2

“m” is independently an integer that is in a range of 1 to 4,
“l” is independently an integer that is in a range of 1 to 4,
“n1” to “n12” are independently an integer that is in a range of 0 to 1,
optionally, “n1” to “n11” are independently an integer that is in a range of 0 to 1, and n12 is 1, and
“R0” is a C1-C12 alkyl group, and
wherein the compound represented by Chemical Formula 1 includes one or more of Chemical Formulae 1-1 to 1-14:

US Pat. No. 10,558,086

LIQUID CRYSTAL DISPLAY PANEL TRACE STRUCTURE AND MANUFACTURING METHOD THEREOF

Shenzhen China Star Optoe...

1. A liquid crystal display panel trace structure, wherein the liquid crystal display panel trace structure provides a common voltage of alignment to at least two liquid crystal display panels, the liquid crystal display panel trace structure comprising:a common curing pad receiving a total common voltage;
a curing bus transmitting the total common voltage only to a first liquid crystal display panel;
a spare curing pad receiving a spare common voltage;
a curing spare line transmitting the spare common voltage, wherein the curing spare line is not connected to the one of the liquid crystal display panels;
at least one assist curing pad, each of the assist curing pads receiving a sub common voltage; each of remaining liquid crystal display panels corresponding to one of the assist curing pads, and the first liquid crystal display panel corresponds to none of the assist curing pads; and
at least one curing assist line, each of the assist curing pads corresponding to one of the curing assist lines, the curing assist line connecting the curing bus, the curing assist line transmitting the sub common voltage to each of the remaining liquid crystal display panels, in order to transmit different common voltages to each of the liquid crystal display panels;
wherein the liquid crystal display panel comprises a color film substrate and an array substrate, the color film substrate has a first common voltage, the array substrate has a second common voltage; and
wherein the common curing pad receives the first common voltage corresponding to the liquid crystal display panel, and the assist curing pad also receives the first common voltage corresponding to the liquid crystal display panel.

US Pat. No. 10,558,085

LIQUID CRYSTAL DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A liquid crystal display device comprising an upper substrate; a lower substrate; and a liquid crystal layer sandwiched between the upper substrate and the lower substrate,wherein the lower substrate includes a first electrode, and a second electrode and a third electrode arranged in a layer different from the first electrode,
the first electrode includes a trunk portion and multiple branch portions branching from one side of the trunk portion and is provided with an opening between the branch portions,
the second electrode and the third electrode constitute a pair of comb-shaped electrodes and each include a trunk portion and multiple branch portions branching from one side of the trunk portion,
one of the branch portions of the second electrode has a part overlapping with the trunk portion of the first electrode and another part being in the opening of the first electrode when the lower substrate is viewed in a plan view so that an edge on the other side of the trunk portion of the first electrode extends in a lateral direction on an upper side of the first electrode,
the branch portions in the first electrode each include a bending point,
the liquid crystal display satisfies following Inequalities (1) to (4) where A is a vertical distance between an upper end and a lower end of the another part in the opening, B is a distance between the bending point and a center line between upper and lower ends of a branch portion of the third electrode, C is an angle formed between an extending direction of the branch portion of the second electrode and an extending direction of an edge on the one side of the trunk portion of the first electrode, and D is an angle formed between an extending direction of the trunk portion of the second electrode and an extending direction of an upper side portion from the bending point of a branch portion of the first electrode, and
the liquid crystal layer contains liquid crystal molecules aligned in a horizontal direction when no voltage is applied to each electrode,
1.5 ?m?A  (1)
0 ?m?B?5.1 ?m  (2)
0°?C?20°  (3)
6.5°?D?25°  (4).

US Pat. No. 10,558,084

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME

LG DISPLAY CO., LTD., Se...

1. A method of fabricating a liquid crystal display device, the method comprising:forming a first alignment layer on a first substrate;
forming a second alignment layer on a second substrate;
disposing the first substrate and the second substrate such that the first alignment layer and the second alignment layer are spaced apart from and face each other;
forming a liquid crystal layer including liquid crystal molecules between the first alignment layer and the second alignment layer; and
forming an electrode layer on one of the first substrate and the second substrate, the electrode layer applying an electric field to the liquid crystal molecules along a direction parallel to the first and second substrates,
wherein when the electric field is not applied, the liquid crystal molecules adjacent to the second alignment layer are arranged along an initial orientation direction, and
wherein when the electric field is applied, the liquid crystal molecules adjacent to the second alignment layer are arranged along the initial orientation direction, the liquid crystal molecules adjacent to the first alignment layer are arranged along a different direction from the initial orientation direction by the electric field in a plane parallel to the second substrate, and the liquid crystal molecules are twistedly arranged from the second alignment layer to the first alignment layer.

US Pat. No. 10,558,083

LIQUID CRYSTAL DISPLAY MODULE AND LIQUID CRYSTAL DISPLAY DEVICE

SHARP KABUSHIKI KAISHA, ...

1. A liquid crystal display module, comprising:a first substrate;
a second substrate above the first substrate;
a liquid crystal layer between the first substrate and the second substrate;
a polarizing layer provided below the liquid crystal layer so as to let only a linearly polarized component of light incident on the polarizing layer pass through the polarizing layer; and
an upper alignment layer provided immediately above the liquid crystal layer and a lower alignment layer provided immediately below the liquid crystal layer, the upper and lower alignment layers aligning liquid crystal molecules contained in the liquid crystal layer in an initial state;
a color display section above the second substrate or between the second substrate and the liquid crystal layer; and
two or more electrodes for applying a voltage to the liquid crystal layer,
the color display section including a blocking region and at least one light-emitting region,
the blocking region being a region that blocks transmitting light entering the liquid crystal display module from below the first substrate and passing through the liquid crystal layer toward the color display section,
the at least one light-emitting region being a region that converts a wavelength of the transmitting light or that lets the transmitting light pass through the at least one light-emitting region without wavelength conversion,
the liquid crystal layer being switchable between a blocking state and a displaying state on a basis of a change, caused by applying the voltage to the liquid crystal layer, in an orientation of the liquid crystal molecules contained in the liquid crystal layer,
the blocking state being a state in which the transmitting light is concentrated to the blocking region on a first optical axis,
the displaying state being a state in which the transmitting light is concentrated to the at least one light-emitting region on a second optical axis different from the first optical axis,
wherein the upper and lower alignment layers each include (i) at least one first alignment layer aligning the liquid crystal molecules in a first direction and (ii) at least one second alignment layer aligning the liquid crystal molecules in a second direction different from the first direction,
the liquid crystal layer provides at least one liquid crystal lens configured to, on a basis of the liquid crystal molecules aligned in a predetermined state with use of the at least one first alignment layer and the at least one second alignment layer of each of the upper and lower alignment layers, concentrate the transmitting light having passed through the polarizing layer and passing through the liquid crystal layer, and
the liquid crystal layer is in (i) the blocking state in a case where the voltage is not being applied to the liquid crystal layer and is in (ii) the displaying state in a case where the voltage is being applied to the liquid crystal layer in a predetermined magnitude.

US Pat. No. 10,558,082

DISPLAY APPARATUS COMPRISING A BLUE LIGHT BLOCKING PATTERN OVERLAPPING A THIN FILM TRANSISTOR AND A COLOR CONVERSION PATTERN COMPRISING A QUANTUM DOT OR PHOSPHOR

Samsung Display Co., Ltd....

1. A display apparatus, comprising:a backlight unit configured to emit blue light;
a first base substrate disposed on the backlight unit;
a gate pattern disposed on the first base substrate, the gate pattern comprising a gate electrode;
a first inorganic insulation layer disposed on the gate pattern;
a data pattern disposed on the first inorganic insulation layer, the data pattern comprising a drain electrode;
a blue light blocking pattern disposed on the first inorganic insulation layer on which the data pattern is disposed;
a second inorganic insulation layer disposed on the data pattern and the first inorganic insulation layer;
a shielding electrode disposed on the blue light blocking pattern and overlapping the gate pattern or the data pattern;
a pixel electrode disposed on the second inorganic insulation layer, and electrically connected to the drain electrode;
a color conversion pattern overlapping the pixel electrode, the color conversion pattern comprising a quantum dot or phosphor;
a liquid crystal layer disposed between the pixel electrode and the color conversion pattern; and
a thin film transistor disposed on the first base substrate,
wherein the blue light blocking pattern is disposed between the shielding electrode and the first base substrate, and
wherein the blue light blocking pattern overlaps the thin film transistor, and the blue light blocking pattern is disposed between the thin film transistor and the liquid crystal layer.

US Pat. No. 10,558,081

LIGHT REFLECTION DEVICE AND LIGHT SOURCE DEVICE

SAKAI DISPLAY PRODUCTS CO...

1. A light reflection device comprising:a first reflection surface configured to reflect light from a light exit surface of a light source;
a second reflection surface configured to reflect the light reflected by the first reflection surface in a direction of light emission from the light exit surface;
a roof;
a plurality of legs; and
a reflection section; wherein
the first reflection surface has a shape including two portions of respective ellipses on a plane including an optical axis of the light source, the two portions being joined at the optical axis,
a first focus of each of the ellipses is located on the second reflection surface,
an angle between the optical axis of the light source and the direction of the light reflected by the second reflection surface is less than 90° on the plane including the optical axis when the light source is in a position that allows a second focus of each of the ellipses to be located on the light exit surface,
the first reflection surface is an inner surface of the roof,
the legs position the roof with the first reflection surface facing the light exit surface of the light source,
the second reflection surface is a surface of the reflection section, and
each of the legs has a first end connected with a periphery of the roof and a second end connected with the reflection section.

US Pat. No. 10,558,080

SEGMENTED TRANSPARENT LCD WITH LOCALIZED BACKLIGHTING

Production Resource Group...

1. A method of manufacturing a segmented liquid crystal display (LCD) that employs ambient light for displaying a display image, comprising:obtaining an LCD display including a liquid crystal (LC) module and front and rear polarizers, the LCD display having a front side and a rear side;
attaching a light-redirecting layer to a rear surface of the rear polarizer;
attaching a protective film to a front surface of the front polarizer and a protective film to a rear surface of the light-redirecting layer;
scoring the front and rear sides of the LCD display to form front and rear segments, the scoring on the front side extending though the front polarizer to a front side of the LC module and the scoring on the back side extending through the light-redirecting layer and the rear polarizer to a rear side of the LC module; and
removing select ones of the front and rear segments to thereby form transparent spaces extending between remaining ones of the front and rear segments.

US Pat. No. 10,558,079

DISPLAY APPARATUS

Samsung Electronics Co., ...

1. A display apparatus comprising:a reflective layer;
a liquid crystal layer disposed in front of the reflective layer, and configured to be converted between a transmissive mode for transmitting outside light, a display mode for reflecting outside light to display an object, and a transflective mode for transmitting outside light and reflecting outside light at a predetermined area; and
a conversion layer disposed between the reflective layer and the liquid crystal layer, and configured to be converted between an opaque mode and a transparent mode.

US Pat. No. 10,558,078

POLARIZING LAYER AND DISPLAY DEVICE HAVING THE SAME

SAMSUNG DISPLAY CO., LTD....

1. A polarizing layer, comprising:a substrate; and
a plurality of parallel wires disposed on the substrate;
wherein each of the plurality of wires comprises:
a base layer disposed on the substrate and including aluminum or an aluminum alloy;
a transparent dielectric layer disposed between the base layer and the substrate; and
an anti-reflective layer disposed between the dielectric layer and the substrate,
wherein the anti-reflective layer, the dielectric layer, and the base layer all have equal widths.

US Pat. No. 10,558,077

WIRE GRID PATTERN, DISPLAY DEVICE INCLUDING THE SAME, AND METHOD FOR FABRICATING THE SAME

Samsung Display Co., Ltd....

1. A method for fabricating a wire grid pattern for a wire grid polarizer included in a display device or a master substrate for fabricating the wire gird polarizer, the method comprising:disposing a first metal layer on a first substrate and forming a moat in the first metal layer to separate the first metal layer into at least two section;
applying a first resin onto the first metal layer on a side of the moat to form a first resin layer, and transferring a pattern to the first resin layer to form a first resin pattern;
applying a second resin on the first metal layer on the other side of the moat to form a second resin layer, and transferring a pattern to the second resin layer to form a second resin pattern;
catching excessive resin from at least one of the first resin and the second resin in the moat during at least one of the steps of transferring the patterns to the first and second resin layers to form first and second resin patterns; and
etching the first metal layer by using the first resin pattern and the second resin pattern as masks to form a wire pattern having a plurality of wires.

US Pat. No. 10,558,076

LIQUID CRYSTAL LENS PANEL FOR DISPLAY DEVICE AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A display device, comprising a display module and a liquid crystal lens panel on a light-emitting side of the display module, wherein the liquid crystal lens panel comprises a first substrate, a second substrate opposite to the first substrate, and a liquid crystal layer between the first substrate and the second substrate, whereinthe liquid crystal lens panel further comprises first electrode and a second electrode, the first electrode is provided on the first substrate or the second substrate, the second electrode is provided on the first substrate or the second substrate, the second electrode comprises a plurality of electrode units arranged in an array, and the first electrode and each of the plurality of the electrode units are configured to formed an electric field therebetween, so as to drive the liquid crystal layer to form an equivalent lens unit;
wherein the first electrode and the second electrode are provided on a same substrate;
wherein each of the electrode units comprises at least two ring-shaped electrodes arranged in a radial manner, the ring-shaped electrodes comprise discontinuous ring-shaped electrodes;
the equivalent lens unit of the liquid crystal lens panel is configured to adjust a direction of emergent light of the display module wherein the ring-shaped electrodes are evenly spaced in a radial direction.

US Pat. No. 10,558,075

COLOR FILTER SUBSTRATE, DISPLAY PANEL AND METHOD OF MANUFACTURING COLOR FILTER SUBSTRATE

SHENZHEN CHINA STAR OPTOE...

1. A color filter substrate, comprising a first glass substrate and a blocking wall formed on a surface of the first glass substrate which is toward to an array substrate, the blocking wall is a projection structure of the surface of the first glass substrate, and the blocking wall is located in a non-display region.

US Pat. No. 10,558,074

DISPLAY DEVICE HAVING IMPROVED LIGHT EMISSION AND COLOR REPRODUCIBILITY

Samsung Display Co., Ltd....

1. A display device comprising:a display panel;
a color conversion panel overlapping the display panel; and
an interlayer positioned between the display panel and the color conversion panel,
wherein the color conversion panel includes:
a substrate;
a color conversion layer and a transmission layer positioned between the substrate and the display panel;
a capping layer overlapping the color conversion layer and the transmission layer; and
an optical layer positioned between the capping layer and the color conversion layer,
wherein a refractive index of the optical layer is lower than a refractive index of the capping layer.

US Pat. No. 10,558,073

DISPLAY SUBSTRATE, LIQUID CRYSTAL DISPLAY PANEL AND FABRICATING METHOD THEREOF, AND LIQUID CRYSTAL DISPLAY APPARATUS

BOE TECHNOLOGY GROUP CO.,...

1. A liquid crystal display panel, comprising:an array substrate comprising a common electrode layer in a subpixel region of the liquid crystal display panel, a first insulating layer on the common electrode layer, a data line layer including a plurality of columns of data lines and on a side of the first insulating layer away from the common electrode layer, a second insulating layer on a side of the data line layer away from the first insulating layer, and a pixel electrode layer on a side of the second insulating layer away from the data line layer;
a counter substrate facing the array substrate, the counter substrate comprising a base substrate and a conductive material layer on the base substrate, the conductive material layer comprising a plurality of conductive material columns for preventing light leakage; and
a black matrix layer comprising a plurality of black matrix columns;
wherein an orthographic projection of a respective one of the plurality of conductive material columns on the base substrate at least partially overlaps with an orthographic projection of a respective one of the plurality of black matrix columns on the base substrate.

US Pat. No. 10,558,072

LIGHT GENERATING MEMBER AND DISPLAY APPARATUS HAVING THE SAME

SAMSUNG DISPLAY CO., LTD....

1. A display apparatus comprising:a display panel comprising:
a first substrate comprising a plurality of pixels;
a second substrate comprising:
a plurality of light conversion layers; and
a black matrix disposed between the light conversion layers;
a light generating member which provides a light to the display panel; and
a light control member disposed between the display panel and the light generating member, wherein the light control member comprises:
a first substrate member;
a second substrate member facing the first substrate member; and
a plurality of first barrier wall members disposed between the first and second substrate members, extending in a first direction, and arranged in a second direction crossing the first direction,
wherein the first barrier wall members restrict an exit angle of the light from the light generating member to a predetermined angle, and
the predetermined angle is smaller than an angle defined by a distance between a lower surface of the second substrate and a lower surface of the black matrix, and a width of the black matrix in the second direction.

US Pat. No. 10,558,071

MULTILAYER STRUCTURE, METHOD FOR PRODUCING THE SAME AND TOUCH SENSITIVE DISPLAY USING THE SAME

TPK TOUCH SOLUTIONS (XIAM...

1. A touch sensitive display comprising:a touch panel;
a liquid crystal display (LCD) panel facing the touch panel, wherein either the touch panel or the LCD panel has a rough surface; and
an optical bonding apparatus placed between the touch panel and the LCD panel for bonding the touch panel and the LCD panel, the optical bonding apparatus comprising:
a transparent pressure sensitive bonding layer;
a transparent thermal flow pressure sensitive bonding layer; and
an organic substrate placed between the transparent pressure sensitive bonding layer and the transparent thermal flow pressure sensitive bonding layer for bonding the transparent pressure sensitive bonding layer and the transparent thermal flow pressure sensitive bonding layer, wherein:
the organic substrate is in direct contact with the transparent pressure sensitive bonding layer and the transparent thermal flow pressure sensitive bonding layer,
the transparent pressure sensitive bonding layer has viscidity at room temperature and the transparent thermal flow pressure sensitive bonding layer has no viscidity at room temperature,
the transparent thermal flow pressure sensitive bonding layer is configured to substantially uniformly contact the rough surface of the touch panel or the LCD panel,
the transparent thermal flow pressure sensitive bonding layer fills a plurality of gaps on the rough surface of the touch panel or the LCD panel, and
the transparent thermal flow pressure sensitive bonding layer is an anisotropic conductive film.

US Pat. No. 10,558,070

TRANSMISSIVE-TYPE LIQUID CRYSTAL DISPLAY DEVICE AND ELECTRONIC APPARATUS

SEIKO EPSON CORPORATION, ...

1. A transmissive-type liquid crystal display device comprising:a base material having transmissivity;
a light-shielding body having a grid pattern in a plan view seen from a thickness direction of the base material;
a pixel electrode;
a first insulator that is provided to cover the light-shielding body and has transmissivity; and
a second insulator that is disposed in contact with the first insulator between the base material and the pixel electrode and has transmissivity, wherein
a refractive index of the second insulator is higher than a refractive index of the first insulator, and
an outer edge of a surface of the second insulator on the pixel electrode side overlaps the light-shielding body in the plan view,
wherein
the second insulator includes a first portion that has such a shape that a width of the second insulator continuously increases from the base material side toward the pixel electrode side and a second portion that is located on the base material side with respect to the first portion and has such a shape that a width of the second insulator continuously increases from the pixel electrode side toward the base material side.

US Pat. No. 10,558,069

DISPLAY DEVICE AND METHOD OF PRODUCING THE SAME

SHARP KABUSHIKI KAISHA, ...

1. A display device comprising:a panel member;
a flexible substrate including: a substrate body that is disposed in an area of a surface of the panel member inner than an outer peripheral edge portion of the surface; and a substrate extension portion that is extended from an outer peripheral edge portion of the substrate body to an outside of the panel member, the substrate extension portion including an overlapping portion overlapping a section of the outer peripheral edge portion of the surface; and
a tape that is pasted to the area of the surface that is inner than the outer peripheral edge portion of the surface, the tape including a sticky surface opposed to the surface and a non-sticky surface on an opposite side from the surface, the tape covering the substrate extension portion that is folded back to the substrate body from an opposite side from the substrate body such that the overlapping portion does not overlap the outer peripheral edge portion of the surface to hold the substrate extension portion.

US Pat. No. 10,558,068

DISPLAY APPARATUS

Sakai Display Products Co...

1. A display apparatus comprising:a display panel including a front surface on which an image is displayed and a rear surface opposite to the front surface;
an optical sheet having a rectangular shape, the optical sheet having a front surface facing the rear surface of the display panel and a rear surface opposite to the front surface of the optical sheet; and
a holding member being a frame body having a rectangular opening, the holding member having a front surface facing the rear surface of the optical sheet and a rear surface opposite to the front surface of the holding member, wherein
the optical sheet has a plurality of engaging holes formed in a peripheral region of the optical sheet along one side of the optical sheet,
the holding member has a plurality of protrusions provided on the front surface of the holding member and each of the plurality of protrusions is engaged with one engaging hole of the plurality of engaging holes to hold the optical sheet so that the front surface of the optical sheet faces the rear surface of the display panel,
the plurality of engaging holes include a first engaging hole provided to a central region of the one side of the optical sheet and at least one second engaging hole provided to a region other than the central region,
the plurality of protrusions include a first protrusion engaged with the first engaging hole and at least one second protrusion engaged with the at least one second engaging hole,
a distance, between an edge of the first engaging hole and the first protrusion, along a first direction in which the one side of the optical sheet extends is shorter than a distance, between an edge of the at least one second engaging hole and the at least one second protrusion, along the first direction, and
the distance, between an edge of the first engaging hole and the first protrusion, along the first direction is shorter than a distance, between the edge of the first engaging hole and the first protrusion, along a second direction orthogonal to the first direction;
wherein the distance, between the edge of the at least one second engaging hole and the at least one second protrusion, along the first direction is longer than a distance, between the edge of the at least one second engaging hole and the at least one second protrusion, along the second direction;
wherein the plurality of engaging holes include a plurality of second engaging holes, and the plurality of protrusions include a plurality of second protrusions, each of the plurality of second protrusions is engaged with one second engaging hole of the plurality of the second engaging holes, and
wherein the distance, between the edge of the second engaging hole and the second protrusion, along the first direction in a farther engagement position from the central region is longer than that in a nearer engagement position from the central region.

US Pat. No. 10,558,067

SUPPORT FRAME, DISPLAY DEVICE AND MOUNTING METHOD THEREOF

BOE Technology Group Co.,...

1. A display device, comprising:a support frame, wherein the support frame comprises a main body and a protrusion disposed at a side of the main body, wherein the main body comprises a first portion located on the protrusion and a second portion located under the protrusion;
a touch cover plate, wherein an end portion of the touch cover plate is disposed on the protrusion and opposite to the first portion of the main body;
a backlight module, wherein an end portion of the backlight module is disposed under the protrusion and opposite to the second portion of the main body;
a support plate, wherein the support plate is fixed on a lower surface of the main body, and the backlight module is disposed on the support plate; and
a display panel disposed at a side of the protrusion away from the main body,
wherein a thickness of the first portion is at least equal to a thickness of the touch cover plate, a thickness of the second portion is at least equal to a thickness of the backlight module, a region corresponding to the protrusion of the support frame accommodates the display panel,
the touch cover plate is fixed on an upper surface of the protrusion through a first light shielding adhesive,
the backlight module is fixed on a lower surface of the protrusion via a second light shielding adhesive, wherein the second light shielding adhesive is located at the lower surface of the protrusion and extends between the display panel and the backlight module and contacts with both of the display panel and the backlight module, and
a surface of the support plate facing the backlight module is a reflective surface.

US Pat. No. 10,558,066

LIGHT SHIELDING DEVICE FOR VEHICLE THAT SHIELDS LIGHT FROM OUTSIDE THE VEHICLE

HONDA MOTOR CO., LTD., T...

1. A light shielding device for a vehicle, comprising:a light shielding unit having a plurality of liquid crystal panels that receive light from outside the vehicle to enable a light transmittance thereof to be changed; and
a sensor unit that includes:
a housing having a front wall part and a rear wall part that is located downstream of the front wall part in a transmission direction of light;
a pinhole formed in the front wall part; and
a plurality of light receiving elements that are provided on the rear wall part so as to receive the light from outside of the vehicle through the pinhole from independently of the liquid crystal panels, wherein
the light shielding unit allows the plurality of liquid crystal panels to change the light transmittance to perform light-shielding, based on light-receiving states of the plurality of light receiving elements that are associated with the liquid crystal panels wherein the front wall part and the rear wall part define an interior of the housing, the plurality of light receiving elements are provided on the rear wall part in the interior of the housing, and the liquid crystal panels are disposed external to the housing with respect to the interior of the housing; wherein a portion of the light from outside of the vehicle which passes through the pinhole and is received by the plurality of light receiving elements is not received by the liquid crystal panels, and a portion of the light from outside of the vehicle which is received by the liquid crystal panels does not pass through the pinhole to be received by the plurality of light receiving elements.

US Pat. No. 10,558,065

LIQUID CRYSTAL WRITING DEVICE WITH SLOW DISCHARGE ERASE

Kent Displays Inc., Kent...

1. A liquid crystal writing device comprising:a dispersion of cholesteric liquid crystal and polymer;
a flexible substrate on which a user applies pressure that changes a texture of said cholesteric liquid crystal to form an image;
electrically conductive layers between which said dispersion is disposed;
electronics adapted to apply an erase voltage waveform across said electrically conductive layers that forms a focal conic texture and erases said image, wherein said erase voltage waveform includes: i) an erase portion at an erase voltage VE, wherein said erase voltage VE?VPH0, where VPH0 is a planar to homeotropic transition start voltage of said cholesteric liquid crystal, which is a first lowest voltage where a portion of said cholesteric liquid crystal in the planar texture changes to the homeotropic texture when applying a reference square pulse of a periodic nature and of same duration as said erase portion, and ii) a slow discharge portion that lasts for a time td that is at least 10 ms; and
wherein said electronics comprise a boost converter circuit including an output terminal at said erase voltage VE, wherein said erase voltage waveform is applied across said electrically conductive layers and including a resistor at a resistance selected to produce the slow discharge portion of said erase voltage waveform.

US Pat. No. 10,558,064

OPTICAL COMMUNICATION MODULE AND OPTICAL MODULATOR USED THEREIN

1. An optical communication module, comprising:an optical modulator that includes an optical modulation element housed in a rectangular parallelepiped container;
a driver circuit that inputs a high-frequency signal to the optical modulation element; and
a housing that houses the optical modulator and the driver circuit therein,
wherein an optical input port and an optical output port of the optical modulator are disposed on the same surface of the rectangular parallelepiped container or are respectively disposed on surfaces, which are perpendicular to each other, of the rectangular parallelepiped container,
an electrical interface is provided on one lateral surface of the housing,
an optical interface is provided on another lateral surface, which is opposite to the lateral surface, of the housing,
one end of a wiring formed in a wiring substrate, which is configured to introduce the high-frequency signal to the optical modulation element, is led out from one short-side side of the rectangular parallelepiped container of the optical modulator,
the driver circuit is disposed between the short-side side of the optical modulator and the electrical interface and be electrically connected to the electrical interface and the end of the wiring formed in the wiring substrate,
a relay substrate, which is configured to introduce the high-frequency signal from another end of the wiring formed in the wiring substrate to the optical modulation element, is provided inside the container, and
the relay substrate is disposed along one long-side side lateral surface or both long-side side lateral surfaces of the optical modulation element for the high-frequency signal to be introduced from at least one of the long-side side lateral surfaces of the optical modulation element.

US Pat. No. 10,558,063

OPTICAL MODULE

FURUKAWA ELECTRIC CO., LT...

1. An optical module comprising:an optical path formed by a laser light source, a wavelength locker, a semiconductor optical modulator configured to be driven at a high frequency, and a polarization combiner;
a circuit board arranged at a height higher than a height of the optical path;
a wiring sub-mount including a wiring electrically connecting the optical element to the circuit board, such that a height of a connection surface of one end portion of the wiring connected to the circuit board is higher than a height of a connection surface of another end portion of the wiring connected to the optical element; and
a housing,
wherein the optical path, the circuit board, and the wiring sub-mount are arranged in a continuous space defined by the housing.

US Pat. No. 10,558,062

METHODS AND APPARATUS TO FORM BIOCOMPATIBLE ENERGIZATION PRIMARY ELEMENTS FOR BIOMEDICAL DEVICE

1. A biocompatible energization element comprising:a cathode spacer layer;
a first hole located in the cathode spacer layer;
a first current collector coated with anode chemicals, wherein the first current collector is attached to a first surface of the cathode spacer layer, and wherein a first cavity is created between sides of the first hole and a first surface of the first current collector coated with anode chemicals;
a separator layer, wherein the separator layer is formed within the first cavity after a separator precursor mixture is dispensed into the cavity;
a second cavity between an outside surface of the separator layer upon sides of the first hole and a first surface of the separator layer, wherein the first surface of the separator layer is the top of the separator layer at the bottom of the first cavity, wherein the second cavity is filled with cathode chemicals;
a second current collector, wherein the second current collector is in electrical connection with the cathode chemicals; and
an electrolyte comprising electrolyte chemicals, wherein the cathode chemicals, anode chemicals and electrolyte chemicals are formulated for a single discharging cycle of the energization element.

US Pat. No. 10,558,061

LENS WITH STAR-SHAPED OPTICAL ZONE TO INCREASE DEFOCUS IMAGE AREA

Brighten Optix Corp., Ta...

1. A lens with a star-shaped optical zone to increase defocus image area, and the lens comprising:an outer surface;
an inner surface;
a central optical area formed on the outer surface and the inner surface, and configured to pass light to image on a central imaging area of retina of eye ball, wherein a optical zone is formed in a star shape, on a surface of the central optical area and configured to pass light to clearly image on the central imaging area of the retina, and the optical zone comprises a plurality of convex parts extended in a vertical direction and a horizontal direction, wherein a defocus area is formed on a portion of the central optical area other than the optical zone and configured to increase defocus image range of the central imaging area;
a peripheral optical area formed around the central optical area and configured to pass light to image on a peripheral image blurring area on peripheral of the central imaging area; and
a positioning part formed on the surface thereof and configured to prevent lens rotation.

US Pat. No. 10,558,060

LENS SUPPLY SYSTEM AND RELATED METHODS

Essilor International, C...

1. A method for providing a semi-finished spectacle lens blank, comprising the steps of:(a) providing a semi-finished spectacle lens blank, where said semi-finished spectacle lens blank has a manufacturing specification with nominal values for geometrical parameters of the semi-finished spectacle lens blank;
(b) performing a physical measurement of at least one geometrical parameter of said semi-finished spectacle lens blank to obtain a measured values of said at least one of said geometrical parameters;
(c) storing the measured value in a memory of a computer; and
(d) providing said semi-finished spectacle lens blank with an identifier that allows retrieval, from said computer, of said measured value stored in said computer,
wherein the geometrical parameters are selected from the group consisting of: a front curve radius, a back curve radius, a lenticular curve radius, a front surface sag height, the absolute minimum value of the front surface sag height, the local minimum value of the front surface sag height, the absolute maximum value of the front surface sag height, a local maximum value of the front surface sag height, the absolute mean value of the front surface sag height, a local mean value of the front surface sag height, a center thickness, an edge thickness, the maximum diameter of the lens semi-finished spectacle blank, a diagonal diameter, the minimum vertical diameter, the minimum horizontal diameter, a location of a polarization film within the semi-finished spectacle lens blank, and an orientation of the polarization film within the semi-finished spectacle lens blank.

US Pat. No. 10,558,059

EYEWEAR AND SYSTEMS FOR IMPROVEMENT OF WEARER COMFORT

Costa Del Mar, Inc., Day...

1. Eyewear comprising:a frame including an outer face, and an inner face, said frame further including a front element structured to be disposed in front of a wearer's corneas, and at least one temple bar connected to said front element;
at least one ventilation aperture in said frame operative to dispose said outer face in fluid communication with said inner face;
a fluid channel disposed in said temple bar;
said at least one ventilation aperture disposed in fluid communication with said fluid channel so as to direct fluid from said ventilation aperture into said fluid channel;
said fluid channel and said outer face disposed in fluid communication with at least one drain aperture such that said drain aperture is operatively oriented between said fluid channel and said outer face; and
said at least one drain aperture disposed on a distal end of said temple bar.

US Pat. No. 10,558,058

DUAL VOICE COIL MOTOR STRUCTURE IN A DUAL-OPTICAL MODULE CAMERA

Corephontonics Ltd., Tel...

1. An imaging device comprising:a) a first lens module having a first optical axis;
b) a second lens module having a second optical axis parallel to the first optical axis;
c) a lens carrier housing the first and second lens modules, the lens carrier having an external carrier surface with a coil wound around at least part of the external carrier surface;
d) a plurality of magnets surrounding the coil; and
e) a housing frame for housing the plurality of magnets, the housing frame hung by springs above a board having attached thereto a plurality of optical image stabilization (OIS) coils, each OIS coil associated with at least one of the magnets,
wherein the housing frame is movable relative to the board in a plane substantially perpendicular to both optical axes as a result of magnetic forces developing between at least some of the coils and their associated magnets when a current is passed in respective OIS coils, and wherein each lens module has a fixed focal length in the range of 4-8 mm.

US Pat. No. 10,558,057

MEMS-BASED OPTICAL IMAGE STABILIZATION

DigitalOptics Corporation...

1. A camera, comprising:a plurality of electrostatic actuators configured to move at least one lens;
a plurality of position sensors corresponding to said plurality of actuators, each position sensor measuring a tangential displacement of its corresponding actuator;
a translator module operable to translate said tangential displacements from said position sensors into a displacement for said lens;
a fixed portion on which said plurality of electrostatic actuators are supported, wherein each of said plurality of electrostatic actuators comprises a movable portion configured to move, relative to said fixed portion, between a first position, in which said actuator is operable, and a second position, in which said actuator is non-operable; and
a latch configured to selectively latch said movable portion in said first position; and wherein
each actuator is configured to exert a tangential force on said at least one lens; and
said plurality of actuators tangentially actuate said at least one lens in response to a motion of said camera.

US Pat. No. 10,558,056

STEREOSCOPIC IMAGE DISPLAY DEVICE AND STEREOSCOPIC IMAGE DISPLAY METHOD

ASUKANET COMPANY, LTD., ...

1. A stereoscopic image display device comprising:a display displaying side by side a plurality of small images, each of the small images containing three-dimensional display data, to convert the three-dimensional display data into rays and output the rays from each of the small images;
a first mechanical shutter panel being disposed so as to abut on the front of the display or being integrated with the display so as to be disposed on the front of the display, the first mechanical shutter panel having first micro mechanical shutters therein, each of the first micro mechanical shutters having a same size as each of pixels of the display, the first micro mechanical shutters being arranged in accord with disposition of the pixels of the display;
a second mechanical shutter panel being disposed in front of the first mechanical shutter panel with a predetermined distance therebetween, the second mechanical shutter panel having second micro mechanical shutters therein, each of the second micro mechanical shutters having the same size as each of the pixels of the display, the second micro mechanical shutters being arranged in accord with the disposition of the pixels of the display,
wherein the first mechanical shutter panel makes the first micro mechanical shutters, which are located within a range corresponding to a displaying range of one of a plurality of partial regions provided in each of the small images displayed on the display, serve as one of first mechanical shutters, and the first mechanical shutters each turn on and off in a time-division manner with respect to a corresponding one of the small images, extract the rays in a time-division manner as partial rays each output from the plurality of partial regions, and transmit the partial rays forward,
wherein the second mechanical shutter panel makes the second micro mechanical shutters, which correspond to a position of each of the small images displayed on the display, serve as one of second mechanical shutters, and each of the second mechanical shutters becomes on-time when at least one of the first mechanical shutters, which correspond to positions of the partial regions sequentially selected from the plurality of partial regions provided in a corresponding one of the small images, is on-time, and the second mechanical shutters transmit forward the partial rays extracted in a time-division manner per each of the small images, reconstruct the partial rays as the rays, and converge each of the reconstructed rays in front to form a three-dimensional image.

US Pat. No. 10,558,055

DISPLAY DEVICE AND DISPLAY METHOD

BOE TECHNOLOGY GROUP CO.,...

1. A display device, comprising:a plurality of transparent display units configured to emit imaging light along a same direction and arranged in sequence with spaces therebetween along a light-emitting direction of the imaging light;
a layer-by-layer scan circuit configured to respectively input a plurality of depth images of a same three-dimensional (3D) image into corresponding transparent display units in the plurality of transparent display units, wherein, the plurality of depth images have different depth ranges; and upon each transparent display unit displaying the inputted depth image, the layer-by-layer scan circuit is configured to control the remaining transparent display units to be in a transparent state without displaying image, so that the each transparent display unit can display all the pixels in the inputted depth image; and
a signal source configured to provide the plurality of depth images,
wherein the signal source includes a depth processing device configured to process the 3D image to acquire the plurality of depth images,
wherein the depth processing device is configured so that the plurality of transparent display units have a serial number of 1, 2, 3, . . . , n in sequence along the direction opposite to the propagation direction of the imaging light; distances from the transparent display units 2, 3, . . . , n to the transparent display unit 1 is respectively d21, d31 . . . , dn1; the depth image for the transparent display unit with the serial number of 1 has an image depth less than k·d21, the depth image for the transparent display unit with the serial number of 2 has an image depth in a range from k·d21 to k·d31, . . . , the depth image for the transparent display unit with the serial number of n has an image depth larger than k·dn1, in which k is a coefficient greater than 0, and an overall scaling of the 3D image is performed by adjusting a value of k.

US Pat. No. 10,558,054

DISPLAY APPARATUS AND THREE-DIMENSIONAL DISPLAY METHOD THEREOF

BOE Technology Group Co.,...

1. A display apparatus, comprising: a liquid crystal display panel including an array substrate, an electroluminescent display substrate fixed below the array substrate by a conductive optical clear adhesive, and a driving chip bonded on the electroluminescent display substrate or the array substrate, whereina via hole at least passing through a base substrate of the array substrate is formed in the array substrate of the liquid crystal display panel; a signal line of the array substrate on an upper surface of the array substrate is connected with the driving chip combined on the electroluminescent display substrate, through the via hole and a conductive material in the optical clear adhesive on a lower surface of the array substrate, or a signal line on the electroluminescent display substrate is connected with the driving chip combined on an upper surface of the array substrate through a conductive material in the optical clear adhesive on a lower surface of the array substrate and the via hole; and the driving chip is configured to supply electric signals to the liquid crystal display panel and the electroluminescent display substrate,
wherein the signal line includes data lines, and
each data line on the electroluminescent display substrate and at least one data line on the array substrate of the liquid crystal display panel are commonly connected to a same connecting terminal of the driving chip;
wherein pixel columns in the electroluminescent display substrate and pixel columns in the liquid crystal display panel are in one-to-one correspondence, and each pixel in the liquid crystal display panel consists of at least two sub pixels arranged in a row direction;
each data line on the electroluminescent display substrate corresponds to one of the pixel columns in the electroluminescent display substrate;
each data line on the array substrate of the liquid crystal display panel corresponds to one sub pixel column in the liquid crystal display panel; the data lines on the array substrate of the liquid crystal display panel, which correspond to the sub pixel columns of a same pixel column respectively, are connected with one connecting terminal, by controllable switching units connected with the data lines in one-to-one correspondence; and the respective data lines corresponding to the respective sub pixel columns of the same pixel column are connected with the respective controllable switching units, and the respective controllable switching units are configured to control time-sharing conduction of the connected data lines and the connecting terminal; and
each data line on the electroluminescent display substrate is connected with at least two data lines on the array substrate of the liquid crystal display panel.

US Pat. No. 10,558,053

OPTICAL DEVICE AND DISPLAY APPARATUS

SEIKO EPSON CORPORATION, ...

1. An optical device comprising:a first display panel having a plurality of first pixels on a first substrate, each including a first light-emitting element, wherein the first display panel emits first color light from each of the plurality of first pixels;
a second display panel having a plurality of second pixels on a second substrate that is separated from the first substrate, each including a second light-emitting element, and a plurality of third pixels, each including a third light-emitting element, wherein the second display panel emits second color light having a different wavelength range from the first color light from each of the plurality of second pixels and emits third color light having a different wavelength range from the first color light and the second color light from each of the plurality of third pixels; and
a combining optical system that combines the light emitted from the first display panel and the light emitted from the second display panel.

US Pat. No. 10,558,052

ADJUSTING MECHANISM AND HEAD MOUNTED DISPLAY

HTC Corporation, Taoyuan...

1. An adjusting mechanism, comprising:a band;
a rotating shaft, having a first tooth ring around a central axis, wherein the band is driven by the rotating shaft to move relative to the rotating shaft when the rotating shaft rotates around the central axis;
a knob, having a plurality of chutes, wherein each of the chutes has a first section and a second section, and the depth of each of the first sections is larger than the depth of each of the second sections;
a driving member, having a second tooth ring, a plurality of guiding pins and a plurality of pawls, wherein the driving member is assembled to the knob, the guiding pins are located in the chutes, the second tooth ring engages with the first ring tooth when the guiding pins are located in the first sections, and the second tooth ring is detached from the first tooth ring when the guiding pins are located in the second sections; and
a holder, having a circular unidirectional toothed portion, wherein the band limits the rotation of the holder relative to the band, and the circular unidirectional toothed portion is configured to be coupled with the pawls to limit the rotation of the driving member relative to the holder in a single direction.

US Pat. No. 10,558,051

DISPLAY APPARATUS

SONY CORPORATION, Tokyo ...

1. A head mounted display, comprising:a casing fixed to a light guide portion, wherein
the casing includes a first casing portion and a second casing portion attached to the first casing portion,
the first casing portion comprises an inner side surface of the casing,
the inner side surface of the casing is a user side,
the second casing portion comprises an outer side surface of the casing, and
the first casing portion is removably attached to the second casing portion;
a heat source within the casing, wherein the heat source is supported by the first casing portion; and
a deformable heat-transfer member housed within the casing, wherein the deformable heat-transfer member comprises a first end and a second end, and wherein the first end is connected to the heat source and the second end is connected to an inner surface of the second casing portion.

US Pat. No. 10,558,050

HAPTIC SYSTEMS FOR HEAD-WORN COMPUTERS

Mentor Acquisition One, L...

1. A wearable device comprising:a frame adapted to position a display in front of an eye of a user of the wearable device;
a processor adapted to present digital content via the display and to produce a haptic signal associated with the digital content; and
a haptic system comprising a plurality of haptic segments,wherein:each haptic segment of the plurality of haptic segments is controlled in coordination with the haptic signal, and
each haptic segment of the plurality of haptic segments is associated with a respective vibration capacity, and wherein: the plurality of haptic segments comprises a first haptic segment and a second haptic segment, the first haptic segment is associated with a first vibration capacity and the second haptic segment is associated with a second vibration capacity, different from the first vibration capacity.

US Pat. No. 10,558,049

FOCAL SURFACE DISPLAY

Facebook Technologies, LL...

1. A method comprising:segmenting a virtual scene into a set of focal surfaces based on scene geometry data for the virtual scene, the scene geometry data identifying depths for one or more objects in the virtual scene;
adjusting, for a focal surface from the set of focal surfaces, a shape of the focal surface that minimizes a distance between the focal surface and one or more nearest objects in the virtual scene to the focal surface; and
generating, for the focal surface, a phase function for a spatial light modulator (SLM) to adjust a wavefront of light of the virtual scene, the phase function when applied by the SLM introduces phase delays in the wavefront that reproduces a focal pattern corresponding to the adjusted shape of the focal surface.

US Pat. No. 10,558,048

IMAGE DISPLAY SYSTEM, METHOD FOR CONTROLLING IMAGE DISPLAY SYSTEM, IMAGE DISTRIBUTION SYSTEM AND HEAD-MOUNTED DISPLAY

MELEAP INC., Tokyo (JP)

1. An image display system, comprising:a head-mounted display having a capturing part for obtaining first real-world video information by capturing a real world and an image display part for displaying first video obtained by integrating the first real-world video information captured by the capturing part with first virtual-world video information;
a movement information detecting part for detecting movement of a body of a wearer wearing the head-mounted display as movement information;
a position information detecting part for detecting position information of the wearer;
a capturing device which is fixedly arranged outside a predetermined field in which the wearer can experience an augmented reality provided by the image display system and configured to capture the predetermined field in which the wearer exists to obtain second real-world video information; and
an image display device for displaying second video obtained by integrating the second real-world video information obtained by the capturing device with second virtual-world video information obtained by viewing the first virtual-world video information from a viewpoint of the capturing device which is different from a viewpoint of the wearer,
wherein the image display system is configured to control the first virtual-world video information and the second virtual-world video information based on the movement information and the position information, and
wherein the position information detecting part obtains the position information of the wearer by performing image recognition of a marker arranged in a space using the capturing part of the head-mounted display, allows a virtual object corresponding to the wearer to follow the wearer based on the obtained position information and uses the virtual object to perform determination for collision with the wearer, and
the second video displayed on the image display device is different from the first video displayed on the image display part of the head-mounted display.

US Pat. No. 10,558,047

AUGMENTED REALITY SPECTROSCOPY

Magic Leap, Inc., Planta...

1. A wearable spectroscopy system comprising:a head-mounted display system removably coupleable to a user's head;
at least one eye tracking camera configured to detect a gaze of the user;
one or more light sources coupled to the head-mounted display system and configured to emit light with at least two different wavelengths in an irradiated field of view, wherein the spectroscopy system is configured to determine a gaze direction of the user and to direct light emission along substantially the same direction as the determined gaze direction;
one or more electromagnetic radiation detectors coupled to the head-mounted member and configured to receive reflected light from a target object within the irradiated field of view;
a controller operatively coupled to the one or more light sources and the one or more electromagnetic radiation detectors, the controller configured to cause the one or more light sources to emit pulses of light while also causing the one or more electromagnetic radiation detectors to detect levels of light absorption related to the emitted pulses of light and reflected light from the target object;
an absorption database of light absorption properties of at least one material; and
a graphics processor unit to display an output to the user
wherein the head-mounted display system comprises a waveguide stack configured to output light with selectively variable levels of wavefront divergence.

US Pat. No. 10,558,046

DISPLAY SYSTEM FOR VIRTUAL REALITY AND METHOD OF DRIVING THE SAME

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

1. A display system for virtual reality, comprising:a display device comprising a display panel having a main view region comprising a plurality of main view region pixels and an auxiliary view region comprising a plurality of auxiliary view region pixels, wherein the main view region receives main content data and the auxiliary view region receives auxiliary content data; and
a content providing device configured to transmit the main content data corresponding to the plurality of main view region pixels and to transmit a subset of the auxiliary content data corresponding to a number smaller than the plurality of auxiliary view region pixels,
wherein the display device supplies the subset of the auxiliary content data to a plurality of neighbor auxiliary view region pixels and performs blurring on the auxiliary view region to reduce a volume of the auxiliary content data supplied to the auxiliary view region to overcome latency, and
wherein coordinate information of the main view region and the auxiliary view region is calculated through a total number of horizontal pixels of the main view region {y1/(y1+y2)}×H and a total number of horizontal pixels of the auxiliary view region {y2/(y1+y2)}×H,
where y1=x tan ?1, y2=(x tan ?2)?y1, x is a distance to a user eye from a central sub-pixel of the display panel, ?1 is half of a main viewing angle at which a focal point is formed when a user eye is directed to a front of the display panel, ?2 is an angle between an imaginary line to a user eye from the central sub-pixel of the display panel and an imaginary inclined line to the user eye from an outermost sub-pixel of the display panel, y1 is a horizontal distance of the display panel corresponding to half of the main view region, y2 is a horizontal distance of the display panel corresponding to half of the auxiliary view region, and H is a total number of pixels arranged in a horizontal direction of the display panel.

US Pat. No. 10,558,045

METHOD FOR PRODUCING AN OPTICAL ELEMENT

tooz technologies GmbH, ...

1. A method for producing an optical element which comprises a body that is transparent for a predetermined wavelength range, in which an optically effective structure is embedded, the method comprising:a) providing a first partial body which is transparent for the predetermined wavelength range, the first partial body including a structured section on an upper side thereof;
b) applying a coating which is optically effective for the predetermined wavelength range onto the structured section in order to form the optically effective structure; and
c) applying a cover layer which is transparent for the predetermined wavelength range onto the upper side of the first partial body via casting of at least one of a thermoplastic material and a duroplastic material.

US Pat. No. 10,558,044

OPTICAL WAVEGUIDE DEVICE AND HEAD-MOUNTED DISPLAY APPARATUS USING THE SAME

Coretronic Corporation, ...

1. An optical waveguide device, adapted to transmit an image light, the optical waveguide device comprising:a light entering surface, wherein the image light enters the optical waveguide device through the light entering surface;
a first side surface, connected to the light entering surface, the light entering surface is inclined with respect to the first side surface;
a second side surface, including an inclined surface and a horizontal surface, wherein the inclined surface is connected to the light entering surface, and the horizontal surface is parallel and opposite to the first side surface; and
at least one planar reflective structure, disposed between the first side surface and the horizontal surface, and parallel to the first side surface and the horizontal surface, wherein the at least one planar reflective structure and the light entering surface are completely separated from each other,
and the at least one planar reflective structure comprises a reflective plane, normal vectors of any two points on the reflective plane are parallel.

US Pat. No. 10,558,043

WORN DISPLAY USING A PERIPHERAL VIEW

ROCKWELL COLLINS, INC., ...

1. A display system for a vehicle, the display system comprising:a display configured to be worn by a user; and
a computer operably coupled with the display and configured to cause the display to provide at least one visual cue in a peripheral vision area with respect to a forward looking field of view of the user through the display, wherein the display has a central axis with viewing angle ranges disposed about the central axis, wherein the viewing angle ranges comprise ring shaped non-peripheral viewing angle ranges between 0 and 8 degrees and ring shaped peripheral viewing angle ranges between 8 and 60 degrees, wherein the peripheral vision area is an arcuate portion on the display in a viewing angle range between 60 and 90 degrees, wherein the visual cue comprises a first symbol on a left side of the display and a second symbol on a right side of the display, the first symbol and the second symbol being provided completely within the arcuate portion, and being shaped according to the arcuate portion, and wherein the first symbol extends through a first quadrant of the display below a horizontal axis and a second quadrant of the display above the horizontal axis, wherein the second symbol extends through a third quadrant of the display below the horizontal axis and a fourth quadrant of the display above the horizontal axis, wherein the first symbol has a first arcuate border extending from the first quadrant to the second quadrant, wherein the second symbol has a second arcuate border extending from the third quadrant to the fourth quadrant, wherein the visual cue defines a vehicle orientation in an environment.

US Pat. No. 10,558,042

VIRTUAL REALITY DEVICES AND ACCESSORIES

1. A method of providing a multiuser virtual reality experience, comprising:configuring a server to communicate with a first user computing environment, the first user computing environment coupled to a first virtual reality headset, the server and first user computing environment configured to generate a first avatar associated with a first user within a common environment viewable in the first virtual reality headset;
configuring the server to receive customization of the first avatar from the first user using the first user computing environment, the customization with regard to at least one of avatar hair color, hair shape, face shape, or body shape, or to receive an input of a computer-generated head or body as a portion of the first avatar;
configuring a server to communicate with a second user computing environment, the second user computing environment coupled to a second virtual reality headset, the second user computing environment configured to generate a second avatar associated with a second user within the common environment viewable in the second virtual reality headset;
wherein the server is a social networking server and the common environment is a virtual reality social networking environment; and
wherein the server is configured to allow the first user using the first user computing environment to provide a page tour wherein the first user leads a tour of entries associated with a social networking page to the second user, the page tour chronicling events associated with the entries on the social networking page, the entries from various locations from a timeline associated with the social networking page, the page tour such that the first user can walk, indicate and display one or more of the entries to the second user using the second user computing environment, wherein the indication includes receiving input from the first user using a pointing device connected to the first user computing environment, the entries at least indicated by photos viewable within the common environment, the pointing device allowing input to the first user computing environment, at least some of the entries linking to other pages associated with the social networking page.

US Pat. No. 10,558,041

VIRTUAL REALITY IMAGE SYSTEM WITH HIGH DEFINITION

1. A high-definition virtual reality image system, provided inside a rotary box that includes left and right ocular lenses provided on a front end of the rotary box, the left and right ocular lenses being spaced apart to approximate a distance between a viewer's pupils, and upper and lower rotation means and left and right rotation means coupled to the rotary box to rotate the rotary box up, down, left and right, the system comprising:a left monitor and a right monitor disposed horizontally on a rear end of the rotary box to provide a 3D left image and a 3D right image, the left and right monitors each comprising a screen having a screen width of 130 to 1,000 mm;
a position sensor including a gyro sensor which is disposed on a rear end of the left and right monitors to detect a virtual reality image in a direction in which the rotation box rotates and to input the detected virtual reality image to the left monitor 2a and right monitor 2b;
a first left reflector and a first right reflector, provided respectively on front ends of the left and right ocular lenses to reflect at right angles in left and right directions respectively;
a second left reflector and a second right reflector, provided in a reflection direction of the first left reflector and the first right reflector respectively to reflect light at right angles in the directions of the left monitor and the right monitor respectively;
wherein the first and second reflectors are provided on an optical axis line on which a center of the left image 21 of the left monitor 2a, a center of the second left reflector, a center of the first left reflector, and a center of the left ocular lens coincide, and on an optical axis line on which a center of the right image of the right monitor, the center of the second right reflector, the center of the first right reflector, and the center of the right ocular lens coincide;
whereby the 3D left image provided by the left monitor is incident on the viewer's left eye through the second left reflector 36, the first left reflector 33 and the left ocular lens 31, and the 3D right image provided by the right monitor 2b is incident on the observer's right eye through the second right reflector, the first right reflector and the right ocular lens, thereby providing a large 3D virtual reality image to the viewer.

US Pat. No. 10,558,040

VEHICLE-MOUNTED HEAD-UP DISPLAY SYSTEM

BOE TECHNOLOGY GROUP CO.,...

1. A vehicle-mounted head-up display system, comprising a projector, a diffuser, and an imaging plate, wherein the projector is configured to generate projection light beams in accordance with a to-be-projected image, so as to form a real image of the to-be-projected image at a light-entering surface of the diffuser;the diffuser is configured to expand the light beams and transmit the expanded light beams to the imaging plate; and
the imaging plate is configured to converge the expanded light beams into an imaging light beam, and transmit the imaging light beam to an interior of a vehicle through a front windshield of the vehicle, so as to form a virtual image of the to-be-projected image on a reverse extension line of the imaging light beam outside the vehicle.

US Pat. No. 10,558,039

HEAD-UP DISPLAY APPARATUS

DENSO CORPORATION, Kariy...

1. A head-up display apparatus mounted on a moving body, wherein the head-up display apparatus projects an image on a projecting portion as a virtual image, and the virtual image is recognized by an occupant when a light of the image is reflected on the projecting portion,the head-up display apparatus comprising:
a light source portion emitting a source light;
an imaging element generating the image when the source light enters the imaging element and outputting the light of the image, the light of the image having a predetermined polarization state;
a cold mirror reflecting the light of the image toward the projecting portion, wherein an optical multilayer film is disposed on a translucent base member in the cold mirror, and the light of the image obliquely enters the cold mirror along a plane of incidence;
a phase shifter converting the light of the image into a linear polarization of an S wave, wherein: the phase shifter is disposed on an optical path between the imaging element and the cold mirror; the light of the image outputted from the phase shifter enters the cold mirror; and, in the S wave, a magnetic field vector is arranged along the plane of incidence; and
a polarizing element having a light shield axis disposed along the plane of incidence and configured to shield a P wave component of the light of the image, wherein the polarizing element is disposed on the optical path between the phase shifter and the cold mirror.

US Pat. No. 10,558,038

INTERPUPILLARY DISTANCE ADJUSTMENT MECHANISM FOR A COMPACT HEAD-MOUNTED DISPLAY SYSTEM

Sharp Kabushiki Kaisha, ...

1. A head-mounted display (HMD) system comprising:an optical arrangement;
at least one moveable image panel, wherein the optical arrangement directs image light from the moveable image panel along a first optical pathway;
a fixed image panel, wherein a portion of image light emitted from the fixed image panel is combined with image light of the at least one moveable image panel by the optical arrangement; and
an adjustment mechanism that is configured adjust an interpupillary distance (IPD) of the HMD system by moving the optical arrangement and the moveable image panel relative to the fixed image panel between a first position and a second position corresponding to different IPDs;
wherein the adjustment to the IPD maintains the first optical pathway;
the fixed image panel includes an imaging portion that is positioned to emit image light into the optical arrangement to be combined with image light from the at least one moveable image panel, and a non-imaging portion that does not emit light into the optical arrangement;
an imaging portion when the optical arrangement is in the first position differs from an imaging portion when the optical arrangement is in the second position; and
a non-imaging portion when the optical arrangement is in the first position differs from a non-imaging portion when the optical arrangement is in the second position.

US Pat. No. 10,558,037

SYSTEMS AND METHODS FOR DETERMINING AN OBJECT THROUGH A DISAMBIGUATED SELECTION IN A MIXED REALITY INTERFACE

1. A method for interaction with a device, the method comprising:receiving a non-tactile selection through an input system indicating a real-world object in an external environment to the device;
estimating an approximate geographic location of the device;
obtaining a subset of external real-world object indicators from a database of real-world objects that are located within the external environment for the estimated approximate geographic location of the device;
determining the real-world object being indicated by selecting at least one object from the subset of external real-world object indicators as a disambiguated selection based at least on the non-tactile selection and a popularity score of each for the subset of external real-world object indicators, the at least one object including the real-world object, the popularity score including a general popularity score and an object-type popularity score, the general popularity score corresponding to a selection of a respective external real-world object indicator over a period of time, the object-type popularity score corresponding to a selection of a respective external real-world object indicator from a group of the subset of external real-world object indicators having a same object-type; and
displaying a representation of the at least one object of the subset of external object indicators.

US Pat. No. 10,558,036

USING OSCILLATION OF OPTICAL COMPONENTS TO REDUCE FIXED PATTERN NOISE IN A VIRTUAL REALITY HEADSET

Facebook Technologies, LL...

1. A virtual reality (VR) headset comprising:an electronic display element configured to output image light via a plurality of sub-pixels having different colors, sub-pixels separated from each other by a dark space;
a corrective optics block configured to:
magnify the image light received from the electronic display element, and
direct the magnified image light to an exit pupil of the VR headset corresponding to a location of an eye of a user of the VR headset; and
a piezoelectric element coupled to the corrective optics block, the piezoelectric element configured to vibrate when a voltage is applied to the piezoelectric element so the corrective optics block vibrates, the piezoelectric element configured to vibrate the corrective optics block so that image light generated by a sub-pixel of the electronic display element masks the dark space between the sub-pixel and sub-pixels adjacent to the sub-pixel, the image light generated by the sub-pixel comprising a blur spot, the blur spot not overlapping with a point of maximum intensity of a blur spot generated by an adjacent sub-pixel of the sub-pixel.

US Pat. No. 10,558,035

OBSERVATION MASK OF DERMATOSCOPE

ZUMAX MEDICAL CO., LTD, ...

1. An observation mask for a dermatoscope utilized to conduct external optical imaging of human body's skin, check a health condition of skin tissue, and diagnose neoplastic lesions, the observation mask comprising:a mask body having an interior surface and an exterior surface, wherein the mask body has a circular cross-section; and
an observation lens that is non-separable and integrally formed with the mask body, the observation lens and the mask body being made from a same non-metallic material;
wherein the mask body is removably attachable to a front end of the dermatoscope, such that when the mask body is attached to the dermatoscope, the interior surface of the mask body directly contacts the dermatoscope;
wherein the mask body is frosted and the observation lens is transparent.

US Pat. No. 10,558,034

OPTICAL SCANNING DEVICE AND IMAGE FORMING APPARATUS

KONICA MINOLTA, INC., To...

1. An optical scanning device comprising:a deflector configured to deflect a luminous flux from a light source;
a first optical system for scanning of a first surface-to-be-scanned and a second optical system for scanning of a second surface-to-be-scanned, the first optical system and the second optical system being disposed to face each other with the deflector located therebetween;
a first optical system detection sensor configured to detect a writing start position on the first surface-to-be-scanned for the first optical system;
a second optical system detection sensor configured to detect a writing start position on the second surface-to-be-scanned for the second optical system;
a first optical system reflection mirror configured to guide a luminous flux from the first optical system to the first optical system detection sensor;
a second optical system reflection mirror configured to guide a luminous flux from the second optical system to the second optical system detection sensor; and
a housing in which the deflector, the first optical system, the second optical system, the first optical system reflection mirror, and the second optical system reflection mirror are housed, wherein
in a cross-sectional view in a sub-scanning direction, the housing has a structure divided into an upper stage and a lower stage by a mounting plate on which the deflector, the first optical system and the second optical system are mounted,
the deflector is mounted in one of the upper stage and the lower stage,
each of the first optical system reflection mirror and the second optical system reflection mirror is mounted in the other of the upper stage and the lower stage in which the deflector is not mounted,
each of the first optical system and the second optical system is disposed across a region including the upper stage and the lower stage,
the first optical system reflection mirror and the second optical system reflection mirror are disposed with the deflector located therebetween, and
the first optical system reflection mirror is disposed on a side of the second optical system, and the second optical system reflection mirror is disposed on a side of the first optical system.

US Pat. No. 10,558,033

LIGHT DEFLECTOR

STANLEY ELECTRIC CO., LTD...

1. A light deflector comprising:a reflector which reflects light incident upon a front surface side;
an inner frame which surrounds the reflector,
an outer frame which surrounds the inner frame;
a pair of torsion bars which extend out of the reflector in the direction of a first axis out of the first axis and a second axis, which intersect with each other at right angles at the center of the reflector;
an inner piezoelectric actuator which is interposed between the inner frame and the pair of torsion bars and which oscillates the reflector about the first axis through the pair of torsion bars; and
an outer piezoelectric actuator which has a plurality of piezoelectric cantilevers joined by a meander pattern configuration, in which a first piezoelectric cantilever and a last piezoelectric cantilever in a configuration order from the inner frame side to the outer frame are joined to the inner frame and the outer frame, respectively, and which oscillates the inner frame about the second axis,
wherein an encircling rib is formed on the rear surface of the inner frame such that the encircling rib encircles the inner frame,
a projecting rib is formed on the rear surface of a distal end portion of the first piezoelectric cantilever such that the projecting rib projects from the encircling rib and extends toward the area of a corner portion of the first piezoelectric cantilever, the area of the corner being adjacent to a second piezoelectric cantilever,
the first piezoelectric cantilever has an outer recess which is concave toward the inner frame on one vertical side adjacent to the second piezoelectric cantilever, and
the outer recess extends along the projecting rib at the corner portion in a part on the distal end side of the first piezoelectric cantilever.

US Pat. No. 10,558,032

LIGHT-PROJECTING DEVICE

Funai Electric Co., LTD.,...

1. A light-projecting device, comprising:a light source that emits a light; and
a first light-receiving Integrated Circuit (IC) that detects a light quantity of the light emitted from the light source;
a controller that controls the light source based on a detection result of the first light-receiving IC,
a scanner that:
comprises a mirror that reflects the light and swings based on a control signal transmitted from the controller;
performs a first scan of the light in a first direction and in a second direction opposed to the first direction; and
performs a second scan of the light in a direction orthogonal to the first direction,
wherein the scanner performs the second scan while the mirror is swinging in a first angle range when the scanner performs the first scan in the first direction,
wherein the scanner performs the second scan while the mirror is swinging in a second angle range that is greater than the first angle range when the scanner performs the first scan in the second direction, and
wherein, while the scanner is performing the first scan in the second direction, the controller:
causes the light source to emit the light when the scanner performs the second scan at a first swinging angle of the mirror that is inside the second angle range and outside the first angle range, and
does not cause the light source to emit the light when the scanner performs the second scan at a second swinging angle of the mirror that is inside both the first angle range and the second angle range.

US Pat. No. 10,558,031

NAPHTYL BASED HIGH INDEX HYDROPHOBIC LIQUIDS AND TRANSMISSION RECOVERY AGENTS FOR LIQUID LENS FORMULATIONS

Corning Incorporated, Co...

1. A liquid lens device, comprising:(1) a body comprising a chamber defined therein and a layer of insulating material;
(2) a non-conductive liquid located within the chamber, the non-conductive liquid having a conductivity less than about 1×10?8 S/m;
(3) a conductive liquid adjoining the non-conductive liquid within the chamber, the conductive liquid having a conductivity in a range of about 1×10?3 S/m to 1×102 S/m;
(4) an interface between the non-conductive liquid and the conductive liquid;
(5) a common electrode in electrical communication with the conductive liquid; and
(6) a driving electrode positioned along the layer of insulating material,
wherein the non-conductive liquid, the conductive liquid and the interface are in contact with the layer of insulating material, and the layer of insulating material is located between the driving electrode and the chamber such that the driving electrode is electrically insulated from the non-conductive liquid and from the conductive liquid via the layer of insulating material;
wherein the interface has a shape that is influenced by a voltage differential between the driving electrode and the common electrode;
wherein the conductive and non-conductive liquids are non-miscible such that their partial miscibility is less than 2% over a temperature range of ?30° C. to 85° C.;
wherein a difference between a refractive index of the conductive liquid and a refractive index of the non-conductive liquid is in a range of about 0.02 to about 0.24; and
wherein a difference between a density of the conductive liquid and a density of the non-conductive liquid is less than 0.1 g/cm3.

US Pat. No. 10,558,030

STRUCTURES ILLUMINATION MICROSCOPY SYSTEM, METHOD, AND NON-TRANSITORY STORAGE MEDIUM STORING PROGRAM

NIKON CORPORATION, Tokyo...

1. A structured illumination microscopy system, comprising:an illumination optical system illuminating excitation light on a sample with an interference fringe, the excitation light being a light to excite a fluorescent material contained in the sample;
a controlling part controlling a direction, a phase, and a spatial frequency of the interference fringe;
an image-forming optical system forming an image of the sample which is modulated by illumination of the interference fringe;
an imaging sensor capturing the image formed by the image-forming optical system; and
a demodulating part performing demodulation processing by using a plurality of images captured by the imaging sensor, wherein
the controlling part controls the spatial frequency of the interference fringe in accordance with an illuminating position of the interference fringe in a depth direction of the sample.

US Pat. No. 10,558,029

SYSTEM FOR IMAGE RECONSTRUCTION USING A KNOWN PATTERN

Scopio Labs Ltd., Tel Av...

1. A microscope for generating a high resolution image of a sample, said microscope comprising:an illumination assembly;
an image capture device;
a fiducial marker imaged with said image capture device; and
a processor coupled to said illumination assembly and said image capture device, said processor configured with instructions to:
acquire a plurality of images under a plurality of different illumination conditions, wherein said sample and said fiducial marker are present within said plurality of images, wherein at least one of said plurality of images is a brightfield image comprising said fiducial marker; and
reconstruct said high resolution image of said sample in response to said fiducial marker and said plurality of images, wherein said brightfield image comprising said fiducial marker is used in said reconstruction and wherein said high resolution image of said sample is a brightfield image.

US Pat. No. 10,558,028

SUPER-RESOLUTION MICROSCOPE

OLYMPUS CORPORATION, Tok...

1. A super-resolution microscope comprising:an illuminator configured to irradiate a plurality of illumination beams of different wavelengths through an objective lens onto a sample while causing at least a portion of the plurality of illumination beams to overlap spatially and temporally; and
a detector configured to detect a signal beam generated by the sample as a result of irradiation of the sample with the plurality of illumination beams; wherein
the plurality of illumination beams comprises a first illumination beam that induces a first nonlinear optical process with respect to the sample and a second illumination beam that induces a second nonlinear optical process that suppresses the first nonlinear optical process; and
a nonlinear susceptibility of the second nonlinear optical process is greater than a nonlinear susceptibility of the first nonlinear optical process.

US Pat. No. 10,558,027

METHOD OF CONCENTRATING LIGHT AND LIGHT CONCENTRATOR

BERGISCHE UNIVERSITAET WU...

1. A method of concentrating light by coupling light into a thin film waveguide arranged on a substrate via at least one of its parallel surfaces, the method comprising the step of exciting in the thin-film-waveguide at least one lateral guided mode having a node by scattering, diffraction or surface plasmon excitation of the incident light at a nanopatterned discontinuous excitation layer, the nanopatterned discontinuous excitation layer being in the thin-film-waveguide at a position of the node of the guided lateral mode.

US Pat. No. 10,558,026

PROJECTION OPTICAL UNIT FOR IMAGING AN OBJECT FIELD INTO AN IMAGE FIELD, AND PROJECTION EXPOSURE APPARATUS COMPRISING SUCH A PROJECTION OPTICAL UNIT

Carl Zeiss SMT GmbH, Obe...

1. An EUV projection optical unit configured to image an object field in an image field, the EUV projection optical unit comprising:a plurality of mirrors configured to guide imaging light from the object field to the image field,
wherein:
the EUV projection optical unit has an image-side numerical aperture of at least 0.4;
an overall reflectivity of the EUV projection optical unit is a product of the reflectivity of each of the plurality of mirrors;
the overall reflectivity of the EUV projection optical unit is greater than 7%; and
the EUV projection optical unit has a total of eight mirrors.

US Pat. No. 10,558,025

VARIABLE MAGNIFICATION OPTICAL SYSTEM AND IMAGE PICKUP APPARATUS USING THE SAME

OLYMPUS CORPORATION, Tok...

1. A variable magnification optical system comprising:sequentially 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;
a fourth lens unit; and
a fifth lens unit having a positive refractive power,wherein:each of the lens units makes a different movement relatively to a lens unit that is adjacently positioned at least at one of a time of changing magnification, a time of focusing, and a time of image stabilization,
the fourth lens unit is moved in a direction orthogonal to an optical axis, and
the following Conditional Expression (34) is satisfied:
?2.0?ft/fw+13.38×tan(?Hw/2)?21.0?140  (34)
where
fw is a focal length of the variable magnification optical system at a wide angle end,
ft is a focal length of the variable magnification optical system at a telephoto end, and
?Hw is a total angle of view in a horizontal direction at the wide angle end.

US Pat. No. 10,558,024

OPTICAL IMAGING ASSEMBLY AND SYSTEM WITH OPTICAL DISTORTION CORRECTION

BAXTER INTERNATIONAL INC....

1. An optical imaging assembly, comprising:a light-transmissive sleeve arranged on an optical axis and configured to enclose an object;
a first refractive element arranged on the optical axis and having a first input surface and a first output surface, wherein one of the first input surface and the first output surface comprises a planar surface and the other of the first input surface and the first output surface comprises a cylindrical or acylindrical surface; and,
a second refractive element arranged on the optical axis and having a second input surface and a second output surface, wherein one of the second input surface and the second output surface comprises a planar surface and the other of the second input surface and the second output surface comprises a cylindrical or acylindrical surface;
wherein both said first and second refractive elements are arranged on the optical axis without any other intervening optical component such that said first and second output surfaces are configured to act in conjunction remove optical distortion generated by the object.

US Pat. No. 10,558,023

OPTICAL SYSTEM AND HEAD-MOUNTED DISPLAY APPARATUS USING SAME

SHENZHEN ROYOLE TECHNOLOG...

1. An optical system; comprising:a first lens, a second lens, a third lens, a fourth lens and a fifth lens in order arranged coaxially along an optical axis direction from a human-eye observation side to an image side at a display unit, wherein:
the first lens is a positive lens with a focal distance f1,
the second lens is a negative lens with a focal distance f2,
the third lens is a positive lens with a focal distance f3,
the fourth lens is a positive lens with a focal distance f4,
the fifth lens is a negative lens with a focal distance f5, and
the optical system is of a total focal distance ft, with the following formulas met:
1.5 ?2 2 0.5 ?6

US Pat. No. 10,558,022

OPTICAL LENS AND FABRICATION METHOD THEREOF

RAYS OPTICS INC., Hsinch...

1. An optical lens, comprising:a first lens group with a negative refractive power and comprising, in order from a first side to a second side, a first lens with a negative refractive power, a second lens with a refractive power and a third lens with a negative refractive power;
a second lens group with a positive refractive power and disposed between the first lens group and the second side; and
an aperture stop disposed between the first lens group and the second lens group, the optical lens having at most nine lenses with refractive powers and satisfying the conditions:
2.1

US Pat. No. 10,558,021

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens having at least one aspheric surface;
a second lens having at least one aspheric surface;
a third lens having at least one aspheric surface;
a fourth lens having at least one aspheric surface;
a fifth lens having at least one aspheric surface;
a sixth lens having two aspheric surfaces; and
a seventh lens having two aspheric surfaces, arranged in this order from an object side to an image plane side respectively with a space in between,
wherein said imaging lens has a total of seven lenses,
said first lens is formed in a shape so that a surface thereof on the object side is convex near an optical axis thereof,
said seventh 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 fifth lens has an Abbe's number ?d5 and said sixth lens has an Abbe's number ?d6 so that the following conditional expressions are satisfied:
20 20

US Pat. No. 10,558,020

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens;
a second lens having at least one surface formed in an aspheric shape;
a third lens having at least one surface formed in an aspheric shape;
a fourth lens having at least one surface formed in an aspheric shape;
a fifth lens having two surfaces each formed in an aspheric shape;
a sixth lens having two surfaces each formed in an aspheric shape; and
a seventh lens having two surfaces each formed in an aspheric shape, arranged in this order from an object side to an image plane side,
wherein said imaging lens has a total of seven 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 first lens is formed in a shape so that a surface thereof on the object side is convex near an optical axis thereof,
said third lens is formed in a meniscus shape near an optical axis thereof,
said fourth lens is formed in a shape so that a surface thereof on the image plane side is convex near an optical axis thereof,
said seventh lens is formed in a shape so that a surface thereof on the image plane side has at least one inflexion point and is concave near an optical axis thereof, and
said fourth lens has an Abbe's number ?d4 so that the following conditional expression is satisfied:
20

US Pat. No. 10,558,019

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens;
a second lens having at least one surface formed in an aspheric shape;
a third lens having at least one surface formed in an aspheric shape;
a fourth lens having at least one surface formed in an aspheric shape;
a fifth lens having two surfaces each formed in an aspheric shape;
a sixth lens having two surfaces each formed in an aspheric shape; and
a seventh lens having two surfaces each formed in an aspheric shape, arranged in this order from an object side to an image plane side,
wherein said imaging lens has a total of seven 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 first lens is formed in a shape so that a surface thereof on the object side is convex near an optical axis thereof,
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 seventh lens is formed in a shape so that a surface thereof on the image plane side has at least one inflexion point and is concave near an optical axis thereof, and
said fourth lens has an Abbe's number ?d4 and said fifth lens has an Abbe's number ?d5 so that the following conditional expressions are satisfied:
20 20

US Pat. No. 10,558,018

CAMERA LENS

AAC Technologies Pte. Ltd...

1. A camera lens comprising, from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a positive refractive power, a fourth lens having a negative refractive power, a fifth lens having a positive refractive power, and a sixth lens having a negative refractive power; wherein the camera lens further satisfies the following conditions (1)˜(3):10.00?f3/f?15.00  (1)
?4.80?(R5+R6)/(R5?R6)??4.20  (2)
0.50?(R9+R10)/(R9?R10)?0.70  (3)
where
f: the focal length of the camera lens;
f3: the focal length of the third lens;
R5: the curvature radius of the object side surface of the third lens;
R6: the curvature radius of the image side surface of the third lens;
R9: the curvature radius of the object side surface of the fifth lens;
R10: the curvature radius of the image side surface of the fifth lens.

US Pat. No. 10,558,017

CAMERA OPTICAL LENS

AAC Technologies Pte. Ltd...

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens, a second lens, a third lens, a fourth lens, a fifth lens, a sixth lens and a seventh lens; wherein the third lens has a positive refractive power with a convex object side surface and a convex image side surface, the camera optical lens further satisfies the following conditions:1.51?f1/f?2.5;
1.7?n2?2.2;
?2?f3/f4?0;
?10?(R13+R14)/(R13?R14)?0;
1.7?n6?2.2;
0.37?f3/f?1.37;
0.21?(R5+R6)/(R5?R6)?0.92;
0.07?d5/TTL?0.22
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f3: the focal length of the third lens;
f4: the focal length of the fourth lens;
n2: the refractive index of the second lens;
n6: the refractive index of the sixth lens;
R13: the curvature radius of object side surface of the seventh lens;
R14: the curvature radius of image side surface of the seventh lens;
f3: the focal length of the third lens;
R5: the curvature radius of the object side surface of the third lens;
R6: the curvature radius of the image side surface of the third lens;
d5: the thickness on-axis of the third lens;
TTL: the total optical length of the camera optical lens.

US Pat. No. 10,558,016

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 negative refractive power, a fourth lens, a fifth lens, and a sixth lens; wherein the camera optical lens further satisfies the following conditions:?3?f1/f??1;
v2?60;
1.7?n5?2.2;
0.02?d3/TTL?0.1;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
v2: the abbe number of the second lens L2;
n5: the refractive power of the fifth lens;
d3: the thickness on-axis of the second lens;
TTL: the total optical length of the camera optical lens.

US Pat. No. 10,558,015

OPTICAL IMAGE CAPTURING SYSTEM

ABILITY OPTO-ELECTRONICS ...

1. An optical image capturing system, from an object side to an image side, comprising:a first lens with refractive power;
a second lens with refractive power;
a third lens with refractive power;
a fourth lens with refractive power;
a fifth lens with refractive power;
a sixth lens with refractive power;
a first image plane, which is an image plane specifically for visible light and perpendicular to an optical axis, and a through focus modulation transfer rate (MTF) of central field of view of the first image plane having a maximum value at a first spatial frequency; and
a second image plane, which is an image plane specifically for infrared light and perpendicular to the optical axis, and a through focus modulation transfer rate (MTF) of central of field of view of the second image plane having a maximum value at the first spatial frequency;
wherein the optical image capturing system has six lenses with refractive powers, and the optical image capturing system has a maximum image height HOI on the first image plane, there is at least one lens having positive refractive power among the second lens to the sixth lens, focal lengths of the six lenses are respectively f1, f2, f3, f4, f5 and f6, and a focal length of the optical image capturing system is f, and an entrance pupil diameter of the optical image capturing system is HEP, there is a distance HOS on the optical axis from an object side of the first lens to the first image plane, there is a distance InTL on the optical axis from the object side of the first lens to an image side of the sixth lens, a half maximum angle of view of the optical image capturing system is HAF, a distance on the optical axis between the first image plane and the second image plane is FS, there is at least one lens made of the plastic material and there is at least one lens made of the glass material among the first lens to the sixth lens, a point on the any surface of any one of the six lenses which crosses the optical axis is defined as a starting point, a point on the surface that has a vertical height of a half entrance pupil diameter (½HEP) of the optical image capturing system from the optical axis is defined as a coordinate point, a length of an outline curve from the starting point to the coordinate point along an outline of the surface is ARE, and the optical image capturing system meets the following conditions: 1.0?f/HEP?10.0, 0 deg wherein the refractive powers of the first lens to the sixth lens are ?+?++? or ??+?++ in sequence.

US Pat. No. 10,558,014

OPTICAL LENS ASSEMBLY AND METHOD OF FORMING IMAGE USING THE SAME

Samsung Electronics Co., ...

1. An optical lens assembly comprising:a first lens having a convex object-side surface;
a second lens having a convex object-side surface;
at least one lens at an image side of the second lens;
a first stop being a variable stop at an object side of the first lens; and
a second stop between an image side of the first stop and the at least one lens at the image side of the second lens,
wherein the second stop determines a minimum F number, and the first stop is variable to determine an F number greater than the minimum F number,
wherein the optical lens assembly satisfies the following conditions:

where sag1 denotes a sag value of the object-side surface of the first lens measured based on an effective diameter at the minimum F number, d2 denotes a distance measured from a vertex of the object-side surface of the first lens to the first stop along an optical axis, R1 denotes a radius of curvature of the object-side surface of the first lens, and f denotes a total focal length of the optical lens assembly.

US Pat. No. 10,558,013

ANNULAR OPTICAL ELEMENT ASSEMBLY, IMAGING LENS SET AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An annular optical element assembly having a central axis, wherein the annular optical element assembly comprises:a first annular optical element comprising:
a first central opening, wherein the central axis passes through the first central opening; and
a first axial connecting structure surrounding the first central opening and comprising a first axial connecting surface, wherein the first axial connecting surface is a conical surface; and
a second annular optical element comprising:
a second central opening, wherein the central axis passes through the second central opening; and
a second axial connecting structure surrounding the second central opening and comprising a second axial connecting surface, wherein the second axial connecting surface is a conical surface, and the first axial connecting surface and the second axial connecting surface are corresponding and connected to each other for aligning the first annular optical element and the second annular optical element with the central axis;
wherein on a cross-sectional plane of the annular optical element assembly which passes through the central axis and has a normal direction vertical to the central axis, a minimum diameter position of the first axial connecting surface is A1, a minimum diameter position of a surface forming the first central opening is H1, a minimum diameter position of the second axial connecting surface is A2, a minimum diameter position of a surface forming the second central opening is H2, only one of H1 and H2 is closer to an object side than both A1 and A2 to the object side, an angle between a line connecting A1 with H1 and a line connecting A2 with H2 is ?, and the following condition is satisfied:
5 degrees

US Pat. No. 10,558,012

MANUFACTURING METHOD FOR LIGHTWEIGHT LARGE-SIZE TELESCOPE MIRROR BLANKS AND MIRROR BLANKS FABRICATED ACCORDING TO SAME

1. A method for manufacturing a mirror blank comprising:providing a primary piece of glass comprising a primary planar surface and a backing piece of glass comprising a backing planar surface;
assembling a mirror blank assembly, wherein assembling the mirror blank assembly comprises interposing a plurality of glass splines between the primary glass and the backing glass, wherein interposing the plurality of glass splines comprises:
for each glass spline, abutting a first surface of the glass spline against the primary planar surface of the primary glass and abutting a second surface of the glass spline, the second surface opposed to the first surface, against the backing planar surface of the backing glass; and
arranging the plurality of glass splines to be circularly symmetric about an axis of symmetry that is orthogonal to the primary planar surface and the backing planar surface, to extend in directions that are radial from the axis of symmetry and such that portions of the glass splines closest to the axis of symmetry are spaced apart from one another; and
heating the mirror blank assembly to fuse the interposed glass splines to the primary glass and the backing glass while the primary glass and the secondary glass remain spaced apart from one another by the interposed glass splines to thereby provide the mirror blank;
wherein the primary glass has a primary circular perimeter having a primary diameter d1 and the backing glass has a backing circular perimeter having a backing diameter d2 and d1>d2.

US Pat. No. 10,558,011

VIBRATION ACTUATOR AND ELECTRONIC APPARATUS USING VIBRATION ACTUATOR

Canon Kabushiki Kaisha, ...

1. A vibration actuator comprising:a vibration body that has an electro-mechanical energy conversion element;
a driven body in contact with the vibration body;
a pressing member that applies a pressing force to the vibration body; and
a vibration isolation member that is arranged between the vibration body and the pressing member,
wherein the vibration body and the driven body move relatively due to a vibration in a first vibration mode and a vibration in a second vibration mode that are excited in the vibration body, and
wherein face pressure that acts on the electro-mechanical energy conversion element by the pressing member in both a first area including a part of a nodal line in the first vibration mode and its vicinity and a second area including a part of a nodal line in the second vibration mode and its vicinity is higher than that in an area of the electro-mechanical energy conversion element other than the first and second areas.

US Pat. No. 10,558,010

SOLID IMMERSION LENS HOLDER AND IMAGE ACQUISITION DEVICE

HAMAMATSU PHOTONICS K.K.,...

1. A solid immersion lens holder holding a solid immersion lens at a front side of an objective lens, the solid immersion lens including a spherical face portion disposed to face the objective lens and a contact portion having a contact face configured to contact an observation object, and the solid immersion lens holder comprising:a first member having a first opening disposing the spherical face portion therein so that a part of the spherical face portion protrudes toward an objective lens side, and three protrusion portions extending from an inner face of the first opening toward a center of the first opening and in contact with the spherical face portion when the solid immersion lens comes into contact with the observation object during imaging; and
a second member having a second opening disposing the contact portion therein so that the contact face protrudes toward a side opposite to the objective lens side,
wherein an edge on the side opposite to the objective lens side of a front end face of each of the three protrusion portions is located on a circumference having the center of the first opening as a center,
wherein the three protrusion portions come into a single line-contact with the spherical face portion at the respective edges of the front end faces such that a contact position between each of the three protrusion portions and the spherical face portion is located on the circumference having the center of the first opening as a center when the solid immersion lens comes into contact with the observation object during imaging, and
wherein the solid immersion lens swings while sliding on the three protrusion portions, when the solid immersion lens comes into contact with the observation object to image the observation object.

US Pat. No. 10,558,009

OPTICAL IMAGE CAPTURING SYSTEM AND ELECTRONIC DEVICE

ABILITY OPTO-ELECTRONICS ...

1. An optical image capturing system, comprising:an optical imaging lens assembly comprising at least two lenses having refractive power;
an image plane;
a first lens positioning element, comprising a lens holder and a base seat, the lens holder being hollow and opaque for shielding the optical imaging lens assembly, the base seat being located proximate to the image plane for shielding the image plane, a side length on a plane of the periphery of the base seat and perpendicular to the optical axis of the optical imaging lens assembly is PhiD; and
a second lens positioning element, comprising a positioning portion accommodated in the lens holder, the positioning portion being hollow for accommodating the optical imaging lens assembly so as to make the lenses arranged on the optical axis, wherein internal sides of the lens holder are not in contact with any external side of the positioning portion, the first lens positioning element is bonded and fixed with the second lens positioning element in a manner of dispensing glue on at least the most object side surface of the first lens positioning element, a focal length of the optical imaging lens assembly is f, an entrance pupil diameter of the optical imaging lens assembly is HEP, a half maximum angle of view of the optical imaging lens assembly is HAF, and conditions as follows are satisfied: 1.0?f/HEP?10.0, 0 deg

US Pat. No. 10,558,008

LENS UNIT

Nittoh Inc., (JP)

1. A lens unit comprising:a display member that is in a cylindrical shape or a partial cylindrical shape, that rotates around an optical axis of the lens unit, and that has a scale indicating a photographing distance on an outer circumference surface of the display member, the display member having first and second holes therein, the first and second holes being spaced apart from each other along the optical axis;
a fixing base having a fixing part, the display member being fixed to the fixing base, the display member and the fixing base rotating around the optical axis at the same time when the display member is fixed to the fixing base;
a fixing projection selectively located in one of the first hole or the second hole to fix between the display member and the fixing base; and
a window member that is provided over the display member, that exposes part of the outer circumference surface including the scale of the display member, and that hides the other part of the outer circumference surface of the display member,
wherein the photographing distance has a first length unit and a second unit length that is different from the first length unit,
the display member is movable along the optical axis between a first position and a second position,
when the display member is in the first position and when the fixing projection is located at the first hole and the fixing part, the window member exposes the first length unit, and
when the display member is in the second position and when the fixing projection is located at the second hole and the fixing part, the window member exposes the second length unit.

US Pat. No. 10,558,007

ENCLOSURE FOR LOCAL CONVERGENCE POINT FOR FIBER OPTIC COMMUNICATIONS NETWORK

1. An enclosure for providing a local convergence point for a fiber optic network, the enclosure comprising:an enclosure frame defining a longitudinal axis;
an end panel coupled to the enclosure frame and defining a plurality of ports, each of the plurality of ports configured to receive an optical cable comprising a plurality of optical fibers;
a feeder compartment associated with the enclosure frame and configured to receive through at least one of the plurality of ports an optical source cable in communication with a network comprising at least one optical signal source;
a feeder compartment panel pivotally coupled to the feeder compartment and configured to pivot between a first position that at least partially encloses the feeder compartment and a second position substantially exposing an interior of the feeder compartment;
a feeder splice tray removably coupled to the feeder compartment panel and configured to receive at least one optical fiber from the optical source cable in communication with the network comprising the at least one optical communication source, wherein the feeder splice tray is configured to communicatively couple at least one of the plurality of optical fibers of the optical source cable to at least one distribution fiber configured to facilitate communication with a destination device configured to receive an optical signal from the network comprising the at least one optical signal source;
a distribution compartment associated with the enclosure frame;
at least one adaptor panel associated with the distribution compartment and configured to facilitate communicative coupling between at least one optical fiber of the plurality of optical fibers of the optical source cable and the at least one distribution fiber;
a distribution splice compartment associated with the enclosure frame, the distribution splice compartment comprising at least one distribution splice tray configured to communicatively couple the at least one distribution fiber and at least one destination fiber configured to be in communication with the destination device configured to receive an optical signal from the network comprising the at least one optical signal source; and
a distribution splice compartment panel pivotally coupled to the distribution splice compartment and configured to pivot between a first position adjacent the enclosure frame and a second position substantially exposing a reverse side of the distribution splice compartment panel.

US Pat. No. 10,558,006

FIBER-OPTIC CABLE AND METHOD OF MANUFACTURE

Carlisle Interconnect Tec...

1. A fiber optic cable comprising:at least one optical fiber element including a polymer core and cladding layer on the polymer core;
a primary buffer layer positioned over the at least one optical fiber element;
an inner jacket layer positioned over the primary buffer layer, the inner jacket layer being formed of a highly flame-resistant material;
a strength member layer positioned over the inner jacket layer, the strength member layer including a plurality of yarns of fiber material positioned together in the cable to circumferentially surround the inner jacket layer, the primary buffer layer and at least one optical fiber element and form the strength member layer;
at least one of the yarns of the plurality of yarns being formed of high temperature fiber material having at least one of a softening point or a rated operating temperature exceeding 950° C., the strength member layer including at least 25% high temperature fiber material with respect to the remaining fiber material of the overall strength member layer;
an outer jacket layer positioned over the strength member layer, the outer jacket layer being formed of a highly flame-resistant material.

US Pat. No. 10,558,005

FIBER OPTIC ASSEMBLY WITH RIGID WIRE PUSH MATERIAL

SMLZ, INC., , NY (US)

1. A fiber optic cable assembly comprising:a push body;
the push body being made from a rigid material so that the fiber optic cable assembly can be pushed during installation;
the push body is at least one rigid wire;
an outer jacket;
the outer jacket being made from polyethylene;
the at least one rigid wire is partially attached to an inside wall of the outer jacket;
a pull material;
the pull material being made from aramid and water blocking fibers; and
at least one fiber optic fiber.

US Pat. No. 10,558,004

OPTICAL TRANSCEIVER

Sumitomo Electric Device ...

1. An optical transceiver which is inserted and ejected with respect to a cage in a first direction, the optical transceiver comprising:a slider;
a housing supporting the slider to slid the slider along the first direction; and
a latch rotating along a second direction intersecting with the first direction at the center of a shaft, and has a first face engaging the cage, and has a second face locking the slider, the latch being supported by the housing;
wherein the latch controls the rotating by locking the second face to the slider when the slider is in a first position in the first direction, and uncontrols the rotating when the slider is in a second position farther than the first position ejected a direction in the first direction, and
wherein a position of the shaft is the same position as a position of the first face or more than a position ejected in the first direction in case of locking the second face to the slider.

US Pat. No. 10,558,003

OPTICAL WAVEGUIDE SHEET, OPTICAL TRANSMISSION MODULE, AND MANUFACTURING METHOD FOR AN OPTICAL WAVEGUIDE SHEET

SONY CORPORATION, Tokyo ...

1. An optical waveguide sheet, comprising:a sheet-like base material;
a core on the sheet-like base material, wherein the core extends in a first direction parallel to a first plane;
a cladding around the core; and
a mirror structure that extends from the cladding to the sheet-like base material, wherein
the mirror structure has a concave shape, and
the mirror structure comprises:
a first inclined surface parallel to a second direction, wherein
the second direction is perpendicular to the first direction and parallel to the first plane,
the first inclined surface is inclined with respect to the first plane,
the first inclined surface includes a core region, and
the core region exposes the core; and
a bottom surface parallel to the first plane.

US Pat. No. 10,558,002

OPTICAL RECEIVER MODULE, OPTICAL MODULE, AND OPTICAL TRANSMISSION EQUIPMENT

Lumentum Japan, Inc., Ka...

1. An optical receiver module comprising:a substrate;
an IC disposed on a surface of the substrate, provided with two or more IC terminals disposed along an end part, and having an amplification function;
a light receiving element disposed on the surface of the substrate and in front of the IC, provided with two or more PD terminals respectively connected to the two or more IC terminals through two or more wires, and having a light receiving window through which light externally enters the light receiving element; and
a first optical component disposed on the surface of the substrate and in front of the IC so as to cover the light receiving element, and provided with two bridge footing sections rising upward from the surface of the substrate, and a lens main body section supported by the two bridge footing sections, and located between upper portions of the two bridge footing sections, wherein
the lens main body section has a rising surface disposed in front, and is provided with a lens disposed on the rising surface and adapted to converge light entering the lens, and a mirror adapted to reflect the light converged by the lens to converge the light on the light receiving window of the light receiving element, and
a distance L1 between a position A of the lens with respect to an end part of the IC and a position B of the light receiving window of the light receiving element is longer than a distance L2 between the position B with respect to the end part of the IC and a position C of an end part on the IC side of the two bridge footing sections of the first optical component in a planar view.

US Pat. No. 10,558,001

OPTICAL ALIGNMENT OF FIBER-OPTIC ROTARY JOINT ASSEMBLY

Canon U.S.A., Inc., Melv...

1. A method comprising:aligning a first optical axis of a first optical component to be at a first angle with respect to a first precision surface of the first optical component;
aligning a second optical axis of a second optical component to be at a second angle to a second precision surface of the second optical component, the second angle being equal to or derived from the first angle;
combining the first optical component and second optical component into an assembly where the first and second precision surfaces directly face each other to allow only a sliding motion between the first and second precision surfaces; and
performing the sliding motion between the first and second precision surfaces until the first and second optical axes are sufficiently collinear,
wherein the first optical component and second optical component are each independently aligned prior to the combining,
wherein the sliding motion includes independent movement of the first precision surface and second precision surface in a single plane, and
wherein causing the first optical axis to be at the first angle comprises:
clamping the first precision surface against a precision surface of a mount stage;
emitting light through a first collimator of the first optical component onto a detector on the mount stage movable on a surface of a base which is moved from a proximal position to a distal position;
recording positions of a spot of the light incident on the detector as the mount stage is moved from the proximal position to the distal position or vice versa;
determining horizontal and vertical angular components of the first angle that correspond to the first angle; and
moving the first collimator based on the horizontal and vertical angular components to bring the first optical axis to the first angle.

US Pat. No. 10,558,000

COMMUNICATION SYSTEM HAVING COAXIAL CONNECTOR MODULE AND FIBER OPTIC MODULE

TE CONNECTIVITY CORPORATI...

1. A connector assembly comprising:a coaxial connector module having a connector body and coaxial contacts, the connector body extending between a front side and a rear side, the connector body having contact channels therethrough holding corresponding coaxial contacts for engaging corresponding mating coaxial contacts of a mating connector assembly, each coaxial contact including an inner conductor and an outer conductor coaxial with the inner conductor, the front side facing in a mating direction along a mating axis, the connector body having a mating interface and fastener openings open at the mating interface to receive fasteners, the connector body having a window at the mating interface, the connector body holding biasing springs in the contact channels engaging the corresponding coaxial contacts to allow axial compression of the coaxial contacts when mated with the mating coaxial contacts; and
a fiber optic module coupled to the coaxial connector module, the fiber optic module including a housing coupled to the mating interface of the connector body, the housing having a cavity, the housing having fastener openings aligned with the fastener openings in the connector body and receiving the fasteners to couple the housing to the connector body at the mating interface, the fiber optic module including a fiber optic connector received in the cavity of the housing, the fiber optic connector having a mating end and a fiber optic cable extending from the fiber optic connector, the fiber optic connector being received in the window for mating with a mating fiber optic connector of the mating connector assembly, the housing holding a biasing spring in the cavity engaging the fiber optic connector to allow axial compression of the fiber optic connector when mated with the mating fiber optic connector.

US Pat. No. 10,557,999

CONNECTOR FOR MULTIPLE CORE OPTICAL FIBER

CommScope, Inc. of North ...

1. A multi-core fiber connector comprising:a ferrule;
a multi-core fiber secured within said ferrule;
a ferrule barrel surrounding at least a portion of said ferrule, said ferrule barrel including a spline extending away from an outer peripheral surface of said ferrule barrel;
a strength member to a rear of said ferrule barrel, said strength member including a notch receiving said spline, so that said spline can move within said notch in a first direction which is substantially parallel to an extension direction of said ferrule; and
a connector housing having a rectangular cross section with an inner cavity to a front of said ferrule barrel and receiving said ferrule barrel and at least a portion of said strength member, wherein said strength member is attached directly or indirectly to said connector housing such that said notch and said spline are generally aligned to one of four corners of said rectangular cross section of said connector housing.

US Pat. No. 10,557,998

OPTICAL FIBER CONNECTION SYSTEM INCLUDING OPTICAL FIBER ALIGNMENT DEVICE

CommScope Connectivity Be...

1. An optical fiber alignment device comprising:an alignment housing including first and second alignment pieces, the first and second alignment pieces being positioned front to back in a stacked configuration to form an alignment construction including first and second ends, the alignment construction defining a fiber axis that extends through the alignment construction between the first and second ends, the alignment construction including a fiber alignment region at an intermediate location between the first and second ends; and
the first and second alignment pieces respectively including first and second cantilever members for directly engaging and pressing first and second fibers toward the fiber axis;
wherein the first cantilever member is integrally formed with the first alignment piece and the second cantilever member is integrally formed with the second alignment piece.

US Pat. No. 10,557,997

LIGHT SOURCE DEVICE

PANASONIC INTELLECTUAL PR...

1. A light source device, comprising:a base;
a light-emitter above the base;
a cap joined to the base to cover the light-emitter, the cap having an opening in a position corresponding to the light-emitter;
a first light guide in communication with the opening for guiding, to outside of the cap, light emitted by the light-emitter; and
a first ferrule surrounding the first light guide,
wherein the first light guide and the first ferrule penetrate through the opening of the cap, and
wherein the first ferrule is joined to an edge of the opening in a state in which the first ferrule is in the opening.

US Pat. No. 10,557,996

END FACE PROTECTION TAPE FOR FIBER OPTIC CONNECTOR; AND METHODS

CommScope Technologies LL...

1. A fiber optic connector assembly comprising:a fiber optic connector having a connector body with a front end and a back end;
a ferrule positioned at the front end of the connector body, the ferrule having a distal end face with a central region and recessed regions on opposite sides of the central region, the ferrule holding an optical fiber having a polished end face positioned at the central region of the distal end face of the ferrule;
a dust cap adapted to mount on the ferrule, the dust cap having an open end and an opposite closed end, the closed end of the dust cap being configured to oppose the polished end face of the optical fiber; and
a tape member covering the central region of the ferrule such that end edges of the tape member hang over longitudinal sides of the distal end face of the ferrule, while the dust cap is being inserted over the fiber optic connector, the end edges of the tape member are adapted to flex downwardly to secure to side walls of the dust cap such that, as the dust cap is removed, the tape member simultaneously comes off with the dust cap.

US Pat. No. 10,557,995

OPTICAL CONNECTOR

3M INNOVATIVE PROPERTIES ...

1. A connector comprising a housing comprising:a first attachment area for receiving and permanently attaching to an optical waveguide;
a second attachment area for receiving and permanently attaching to an optical waveguide received and permanently attached at the first attachment area; and
a flexible carrier disposed within the housing between the first and second attachment areas for supporting and adhering to an optical waveguide received and permanently attached at the first and second attachment areas, a first end of the flexible carrier attached to the first attachment area, a second end of the carrier attached to the second attachment area, the flexible carrier comprising a flexible first portion for supporting and adhering to an optical waveguide received and permanently attached at the first and second attachment areas; and a flexible second portion attached to the flexible first portion at one or more discrete spaced apart attachment locations, wherein at least one of the first and second flexible portions comprises a viscoelastic material.

US Pat. No. 10,557,994

WAVEGUIDE GRATING WITH SPATIAL VARIATION OF OPTICAL PHASE

Facebook Technologies, LL...

1. An optical waveguide comprising:a plate of transparent material comprising opposed first and second surfaces for guiding an optical beam therebetween by at least one of reflection or diffraction; and
a first diffraction grating at the first surface for spreading the optical beam by diffracting portions thereof into a non-zero diffraction order to propagate inside the plate;
wherein the first diffraction grating comprises an array of grooves running parallel to one another and meandering in a plane of the first diffraction grating to provide a spatial variation of optical phase of the portions of the optical beam diffracted by the first diffraction grating into the non-zero diffraction order.

US Pat. No. 10,557,993

FOCUSING MECHANISM FOR BIOSIGNALS MEASUREMENT WITH MOBILE DEVICES

CMOS Sensor, Inc., Cuper...

1. A focusing module for acquiring sensing signals, the focusing module comprising:a light guide with first and second sides, including a plurality of light passages slanted inwardly formed evenly from the first side towards a center of the second side, wherein the light guide, disposed on top of an array of photosensors, collects a reflected light from a human body part and focuses the reflected light through the light passages onto the photosensors, each of photosensors generates a charge, wherein the light guide is made with a plurality of sheets, each of the sheets includes a transparent patch forming part of one of the light passages.

US Pat. No. 10,557,992

POLARIZATION INDEPENDENT OPTICAL ISOLATOR

SHIN-ETSU CHEMICAL CO., L...

1. A polarization independent optical isolator comprising:two polarizing separation members each configured to separate polarization components of a transmitted light;
an absorptive polarizer arranged on optical paths of separated transmitted lights and corresponding to a plane of polarization of each separated transmitted light; and
a Faraday rotator; wherein
the Faraday rotator is arranged downstream of the absorptive polarizer in a forward direction,
a half-wave plate is arranged downstream of the absorptive polarizer in the forward direction,
the first polarizing separation member, the absorptive polarizer next to the first polarizing separation member, the Faraday rotator next to the absorptive polarizer, the half-wave plate next to the Faraday rotator, and the second polarizing separation member next to the half-wave plate are arranged in this order in the forward direction, and
the polarizing separation members are polarizing prisms.

US Pat. No. 10,557,991

HEATING TANK FOR THE FUSION SPLICER AND A FUSION SPLICER

INNO INSTRUMENT (CHINA) ....

1. A heater for a fusion splicer comprising:a heating body comprising a first heating side surface, a second heating side surface and a heating bottom surface, wherein the said first and second heating side surfaces are each connected to the heating bottom surface and the first and second heating side surfaces each have a respective upper edge, wherein the respective upper edges of the first and second heating side surfaces are separated by a first distance, wherein the heating body is configured such that a heat shrinkable tube comes into contact with the first and second heating side surfaces and/or the heating bottom surface during preheating and thermal shrinkage of the heat shrinkable tube to shrink the heat shrinkable tube onto a fiber weld;
an upper cover comprising a deformable elastic member, wherein the deformable elastic member has a width which it is narrower than the first distance separating the respective upper edges of the first and second heating side surfaces, and wherein the upper cover is configured such that the deformable elastic member comes into contact with the heat shrinkable tube and exerts a first pressure on the heat shrinkable tube during the preheating and thermal shrinkage of the heat shrinkable tube.

US Pat. No. 10,557,990

DYNAMIC PHOTONIC WAVEGUIDE SPLITTER/COUPLER

CISCO TECHNOLOGY, INC., ...

1. An apparatus comprising:a first channel core in communication with a second channel core and a third channel core of a photonic waveguide;
a module configured as a splitter or a coupler, wherein the module is positioned within a cavity defined in part by fixed edges of said first, second, and third channel cores, and movable relative to said fixed edges of the channel cores to dynamically adjust a ratio of optical signals at two of the channel cores of the photonic waveguide; and
an actuation device operable to move the module based on input received during operation of the photonic waveguide.

US Pat. No. 10,557,989

SLOT ASSISTED GRATING BASED TRANSVERSE MAGNETIC (TM) TRANSMISSION MODE PASS POLARIZER

GLOBALFOUNDRIES INC., Gr...

1. A structure, comprising:a waveguide strip composed of a first type of material and having openings along its length which are positioned to reflect/scatter propagating electromagnetic waves;
grating fin structures on one or both sides of the waveguide strip which are aligned with the openings and positioned and structured to reflect/scatter the propagating electromagnetic waves;
a buffer region of semiconductor on insulator technologies located below the waveguide strip and grating fin structures; and
cladding oxide above the waveguide strip and the grating fin structures, wherein
an interior dimension of the openings is Ws,
a width of the waveguide strip is W2,
a width of the grating structures is W1,
Ws less than or equal to W2 and W2 is greater than W1,
the grating fin structures are composed of a second type of material different than the first type of material, and
the openings are filled with a dielectric material that is different than the first type of material.

US Pat. No. 10,557,988

ULTRA-HIGH RESOLUTION SCANNING FIBER DISPLAY

Magic Leap, Inc., Planta...

1. A system for scanning electromagnetic imaging radiation, comprising:a drive electronics system configured to generate at least one pixel modulation signal;
at least one electromagnetic radiation source configured to modulate an intensity of at least one pixel within an image light output by the at least one electromagnetic radiation source based on the at least one pixel modulation signal;
a first waveguide optically coupled to the at least one electromagnetic radiation source and configured to transmit the image light output to produce a first projected field area of light; and
a second waveguide optically coupled to the at least one electromagnetic radiation source and configured to transmit the image light output to produce a second projected field area,
wherein the pixel modulation signal is configured to luminance modulate the at least one pixel intensity from the at least one electromagnetic radiation source to at least one of the first waveguide or second waveguide concurrent with the first projected field area sharing an overlapping area with the second projected field area.

US Pat. No. 10,557,987

PHOTONIC CRYSTAL FIBER, A METHOD OF PRODUCTION THEREOF AND A SUPERCONTINUUM LIGHT SOURCE

1. A method of providing a Microstructured Optical Fiber (MSF) which is loaded with hydrogen and/or deuterium, comprising:producing a preform comprising a preform structure for the core and the cladding region of the MSF;
drawing the preform to obtain the MSF having the core region and cladding region, wherein at least the cladding region comprises a plurality of inclusions extending along the longitudinal axis of the MSF;
applying a coating surrounding the cladding region, wherein the coating is hermetic for said hydrogen and/or deuterium at a temperature of Th or below, wherein Th is at least about 50° C., and wherein hydrogen and/or deuterium can pass through the coating at a temperature above Th, and
causing the MSF to become loaded with hydrogen and/or deuterium.

US Pat. No. 10,557,986

FEW MODE OPTICAL FIBER

STERLITE TECHNOLOGIES LIM...

1. A few mode optical fiber comprising:a core region, defined by a region around a central longitudinal axis of the few mode optical fiber, wherein the core region further comprises:
a first annular region with an updopant and having a first refractive index, defined by the central longitudinal axis and a first radius,
a second annular region having a second refractive index, between the first radius and a second radius,
a third annular region with a downdopant and having a third refractive index, between the second radius and a third radius,
a fourth annular region having a fourth refractive index, wherein the fourth annular region is between the third radius and a fourth radius, and
a fifth annular region with an updopant and having a fifth refractive index, wherein the fifth annular region is between the fourth radius and a fifth radius; and
a cladding region that is a sixth annular region between the fifth radius and a sixth radius, having a sixth refractive index;
wherein the few mode optical fiber is operated in six modes including two degenerate Lp01 modes and four degenerate Lp11 modes.

US Pat. No. 10,557,985

BACKLIGHT ASSEMBLY AND DISPLAY APPARATUS

BOE TECHNOLOGY GROUP CO.,...

1. A backlight assembly, comprising:a frame with at least one support bar configured to support a display panel;
a light guide plate with at least one support portion protruding from at least one side of the light guide plate; and
a film assembly comprising an optical film between the at least one support bar and the light guide plate, wherein the optical film is provided with at least one flange protruding from at least one side of the optical film assembly and over the at least one support portion of the light guide plate on a surface of the at least one support portion of the light guide plate facing the at least one support bar;
wherein the at least one flange has a side aligned with a side of the at least one support portion; and
wherein the at least one support bar is integrally formed with the frame.

US Pat. No. 10,557,984

DISPLAY DEVICE

Funai Electric Co., LTD.,...

1. A display device, comprising:a display screen;
a reflective sheet disposed opposite the display screen and that reflects irradiated light toward the display screen;
a plurality of light emitters disposed at one side of the reflective sheet and that irradiates light to different reflective regions of the reflective sheet; and
a controller that adjusts a total amount of light generated in each of the light emitters,
wherein an entirety of a first reflective region that comprises all portions irradiated by a first light emitter of the plurality of light emitters is farther from the one side than an entirety of a second reflective region that comprises all portions irradiated by a second light emitter adjacent to the first light emitter.

US Pat. No. 10,557,983

LIGHT GUIDE PLATE, MANUFACTURING METHOD THEREOF, BACKLIGHT MODULE AND DISPLAY DEVICE

BEIJING BOE OPTOELECTRONI...

1. A light guide plate, comprising: a light entrance surface, a light exit surface connected with the light entrance surface, and a bottom surface connected with the light entrance surface and opposite to the light exit surface; wherein a reflective layer is provided within the light guide plate, and the reflective layer is located in a path of a parallel incident light for reflecting the parallel incident light so that the parallel incident light exits from the light exit surface; wherein the parallel incident light is an incident light parallel to the light exit surface;and wherein the light exit surface is provided with a groove; a direction of the groove is parallel to the light entrance surface, and the reflective layer is disposed on a groove surface of the groove.

US Pat. No. 10,557,982

DIE CORE FOR LIGHT GUIDE PLATE, MANUFACTURING METHOD THEREOF, AND LIGHT GUIDE PLATE

BOE TECHNOLOGY GROUP CO.,...

1. A method for manufacturing a die core for a light guide plate, comprising steps of:providing a body, a surface of the body comprising a dot formation region and a dot-free region;
forming a sacrificial layer covering the surface;
forming dots at the dot formation region and removing the sacrificial layer on the dot formation region simultaneously, the dots comprising protrusions and recesses; and
forming a coverage layer at least covering the protrusions.

US Pat. No. 10,557,981

SURFACE LIGHTING APPARATUS AND METHOD FOR MANUFACTURING THE SAME

KOLON GLOTECH, INC., Gwa...

1. A surface lighting apparatus comprises:a first light guiding unit for dispersing input light from a light source through patterns formed in intaglio or relief in the first light guiding unit;
a reflecting unit formed at a lower part of the first light guiding unit to reflect light being out among dispersed light of the first light guiding unit;
a diffusing unit adjoining an upper part of the first light guiding unit and scattering light dispersed from the first light guiding unit in an upward direction; and
a second light guiding unit formed between the light source and the first light guiding unit and guiding the input light from the light source to the first light guiding unit,
wherein the second light guiding unit further comprises;
a first portion including an inner surface that has a given slope and a first plurality of protrusions refracting a first part of the input light from the light source in a vertical direction, the first plurality of protrusions being formed on the inner surface;
a second portion including a surface that is formed concavely in an inward direction toward the light source and formed adjacent to the first light guiding unit, the second portion guiding a second part of the input light from the light source directly to the first light guiding unit;
a third portion including a surface that faces the diffusing unit and formed between the first portion and the second portion; and
a fourth portion including a surface that faces the reflecting unit and a second plurality of protrusions disposed on a lower inner surface of the second light guiding unit, formed under the second portion, and guiding the vertically refracted light from the first plurality of protrusions of the first portion to the first light guiding unit by refracting the vertically refracted input light using the second plurality of protrusions.

US Pat. No. 10,557,980

APPARATUS AND METHOD FOR A HOLOGRAPHIC OPTICAL FIELD FLATTENER

Honeywell International I...

1. An apparatus, comprising:an optically transparent substrate having a first surface and a second surface opposite the first surface;
a center region, having a center;
at least one holographic concentric band on or in a first surface of the optically transparent substrate and around the center region;
wherein each successive holographic concentric band is increasingly radially distant from the center of the center region;
wherein the center region and each of the at least one holographic concentric band has a field angle that increases with each successive concentric band further displaced from the center; and
wherein each holographic concentric band is comprised of a set of holographic field angle pixels, where each field angle pixel in a set has the same field angle of view, where the field angle of view of each field angle pixel in a set is greater than the first field angle of view, where the field angle of view for each set of holographic field angle pixels of a holographic concentric band increases as the holographic concentric band's radial distance from the center of the center region increases, where the center region and each holographic concentric band are configured to transmit, normal to the second surface of the optically transparent substrate, light incident at an angle equal to a corresponding field angle, and where each holographic concentric band has a non-zero field angle.

US Pat. No. 10,557,979

SUBSTRATE FOR WIRE GRID POLARIZER, WIRE GRID POLARIZER, MANUFACTURING METHOD FOR WIRE GRID POLARIZER, AND DISPLAY DEVICE INCLUDING WIRE GRID POLARIZER

Samsung Display Co., Ltd....

1. A manufacturing method of a wire grid polarizer, the method comprising:forming a wire grid polarizer substrate comprising an engraved trench extending along a first direction;
applying a liquid mask resin to the wire grid polarizer substrate;
imprinting the liquid mask resin by using a wire grid polarizer mold comprising an imprint mold pattern;
forming an etching mask by curing the liquid mask resin;
forming a wire grid by removing a portion of the wire grid polarizer substrate; and
forming a grid bridge by removing the etching mask.

US Pat. No. 10,557,977

DIFFRACTIVE WAVEPLATE LENSES AND APPLICATIONS

Beam Engineering for Adva...

1. An optical system comprising:a light source;
a flat mirror having a quarter wave plate deposited on the flat mirror; one or more diffractive waveplates with switchable optical power for receiving the light from the light source, said one or more diffractive wave plates are selected from a group consisting of cylindrical diffractive waveplate lenses, cycloidal diffractive waveplates, axial diffractive waveplates, axicon diffractive waveplates, beam shaping diffractive waveplates, and arrays of diffractive waveplates; and
one or more switching devices for selectively switching the optical power of said one or more diffractive waveplates to provide an electrically controlled diffraction property in reflected light; the flat mirror to provide an electrically controlled diffraction property in reflected light.

US Pat. No. 10,557,976

RETROREFLECTIVE ARTICLES INCLUDING OPTICALLY ACTIVE AREAS AND OPTICALLY INACTIVE AREAS

3M INNOVATIVE PROPERTIES ...

1. A retroreflective article, comprising:a retroreflective layer including multiple cube corner elements that collectively form a structured surface that is opposite a major surface; and
a sealing layer having a first region and a second region, wherein the second region is in contact with the structured surface and wherein the second region surrounds the first region to form at least one cell with a cell size that is less than 1000 microns; and
wherein cell size is defined as the cell area by the perimeter length,
wherein the sealing layer comprises a thermoplastic polymer,
wherein the sealing layer further includes a barrier layer disposed within the first region between the sealing layer and the retroreflective layer separating a low refractive index layer from the sealing layer;
wherein the retroreflective article exhibits a coefficient of retroreflection RA that is not less than 80 cd/(lux·m2) for an observation angle of 0.2 degrees and an entrance angle of ?4 degrees.

US Pat. No. 10,557,975

REFLECTING MIRROR AND MIRROR HOLDING MECHANISM

Nittoh Inc., (JP)

1. A reflection mirror having a concave curved reflection surface, whereinwhen a surface on which the reflection surface is formed is a front surface, a surface opposite to the front surface is a rear surface, a direction parallel to an optical axis of the reflection mirror from the rear surface toward the front surface is a first direction, and a direction parallel to the optical axis from the front surface toward the rear surface is a second direction,
the rear surface has a recessed flat surface orthogonal to the first direction and a wall surface that rises from at least a part of a periphery of the flat surface toward the second direction,
the flat surface has three or more protruding portions that protrude in the second direction, the three or more protruding portions being located inboard of the wall surface, and
when viewed from the first direction, the three or more protruding portions are disposed so as to surround a center of the flat surface.

US Pat. No. 10,557,974

OPTICAL ELEMENT, OPTICAL APPARATUS, AND METHOD FOR FORMING RANDOM UNEVEN SHAPE

CANON KABUSHIKI KAISHA, ...

1. An optical element comprising an optical surface with a random uneven shape that satisfies the following conditional expressions:0.30?Icenter?1.00;
0.00?C2nd?0.60; and
0.1×10?4??spec?3.0×10?4,where P is an average pitch on the random uneven shape, Icenter is a ratio of a component intensity sum from 0.9P to 1.1P to a component intensity sum of an entire frequency spectrum calculated with a square area in which each side is equal to or longer than 40 ?m on the optical surface, C2nd is a value of a second largest intensity peak in an autocorrelation function calculated with a square area in which each side is 20P on the optical surface, and ?spec is an average of standard deviation of frequency components in a special frequency from 0 to 2/P in each of a plurality of 3P×3P divided areas on the optical surface.

US Pat. No. 10,557,973

BRIGHTNESS ENHANCING FILM WITH EMBEDDED DIFFUSER

3M INNOVATIVE PROPERTIES ...

1. An optical film, comprising:a birefringent substrate;
a prismatic layer carried by the substrate, the prismatic layer having a major surface comprising a plurality of side by side linear prisms extending along a same prism direction; and
an embedded structured surface disposed between the substrate and the prismatic layer comprising closely-packed structures arranged such that ridges are formed between adjacent structures, the structures being limited in size along two orthogonal in-plane directions;
wherein the embedded structured surface has a topography characterizable by a first and second Fourier power spectrum associated with respective first and second orthogonal in-plane directions, and wherein
the first Fourier power spectrum includes one or more first frequency peak not corresponding to zero frequency and being bounded by two adjacent valleys that define a first baseline, each first frequency peak having a first peak ratio of less than 0.8, the first peak ratio being equal to an area between the first frequency peak and the first baseline divided by an area beneath the first frequency peak, and
the second Fourier power spectrum includes one or more second frequency peak not corresponding to zero frequency and being bounded by two adjacent valleys that define a second baseline, each second frequency peak having a second peak ratio of less than 0.8, the second peak ratio being equal to an area between the second frequency peak and the second baseline divided by an area beneath the second frequency peak; and
wherein the embedded structured surface is characterized by a total ridge length per unit area in plan view of less than 200 mm/mm2.

US Pat. No. 10,557,972

LAMELLAR PARTICLES HAVING DIFFERENT PROPERTIES IN DIFFERENT AREAS AND METHODS OF MANUFACTURE

VIAVI SOLUTIONS INC., Sa...

1. A lamellar particle, comprising:an inner core of a first material; and
an external layer of a second material that is different from the first material;
an unconverted portion of the lamellar particle, wherein the unconverted portion includes an unconverted inner core and any unconverted external layer;
a converted portion of the lamellar particle disposed external to a surface of the unconverted portion, wherein the converted portion includes a chemical compound of the first material and the second material, wherein the converted portion includes any converted inner core and a converted external layer, and wherein the converted portion has a property different from a property of the unconverted portion.

US Pat. No. 10,557,971

MARKER, METHOD FOR MANUFACTURING SAME, AND OPTICAL COMPONENT

ENPLAS CORPORATION, Sait...

1. A marker comprising:a convex lens group made of a transparent resin and including:
a plurality of convex lens parts each of which includes a convex surface part disposed on a front surface side of each of the plurality of convex lens parts,
a first part disposed on a rear surface side of each of the plurality of convex lens parts, and
a second part disposed on the rear surface side of each of the plurality of convex lens parts, the first part being arranged corresponding to each convex surface part, the second part being a part other than the first part; and
a plurality of coating films formed only on either a plurality of first parts or a plurality of second parts,
wherein a positional relationship between each of the plurality of convex lens parts and each first part corresponding to each other differs among the plurality of convex lens parts in a direction perpendicular to optical axes of the plurality of convex lens parts, and
wherein the marker satisfies the following requirements (1) or (2):
(1) each first part is a recess and each second part is a protrusion,
in a cross section of the plurality of convex lens parts, the recess includes a pair of walls located at opposite positions,
in the cross section of the plurality of convex lens parts, the protrusion includes a pair of edges located at opposite positions, and
each coating film is formed entirely between the pair of walls of the recess or entirely between the pair of edges of the protrusion, and
(2) each first part is a protrusion and each second part is a recess,
in the cross section of the plurality of convex lens parts, the protrusion includes a pair of edges located at opposite positions,
in a cross section of the plurality of convex lens parts, the recess includes a pair of walls located at opposite positions, and
each coating film is formed entirely between the pair of edges of the protrusion of entirely between the pair of walls of the recess.

US Pat. No. 10,557,969

OPTICAL COMPONENT, SENSOR AND METHOD FOR MEASURING AN EXPANSION AND/OR A TEMPERATURE

1. An optical component comprising a substrate having a first refractive index and comprising elements having a second refractive index, whereinthe optical component comprises at least one optical metamaterial, including a plurality of pixels, each pixel comprising a region having any of the first or the second refractive index, and wherein
the substrate comprises at least one first polymer and said regions having the second refractive index comprise a second polymer, the first polymer being different than the second polymer.

US Pat. No. 10,557,968

MARINE CABLE DEVICE ADAPTED FOR THE PREVENTION OF FOULING

Koninklijke Philips N.V.,...

1. A marine cable device arranged to reduce biofouling along its exterior surface, comprising:at least one light source, wherein the light source is arranged to generate an anti-fouling light; and
at least one optical medium, the optical medium comprising at least one emission surface wrapped along the exterior surface,
wherein the wrapping has a variable pitch along at least part of the length of the marine cable device,
wherein the at least one optical medium is arranged to receive at least part of the anti-fouling light,
wherein the at least one optical medium is arranged to provide, through the emission surface, the at least part of the anti-fouling light on at least part of the exterior surface.

US Pat. No. 10,557,967

PROCESS AND SYSTEM FOR ENHANCED DEPTH PENETRATION OF AN ENERGY SOURCE

1. A method comprising:disposing one or more sensors in a formation;
determining a target frequency of the formation, wherein the target frequency is a frequency at which a depth of penetration of the formation by mechanical stimulation is at a pre-determined amount and wherein the step of determining the target frequency of the formation comprises:
a) applying mechanical stimulation energy towards the formation at a testing frequency and at a testing magnitude;
b) using the one or more sensors to measure the depth of penetration of the mechanical stimulation energy of step a) into the formation;
c) determining if the depth of penetration measured in step b) is at the predetermined amount;
d) altering the testing frequency or the testing magnitude of the mechanical simulation energy if the depth of penetration measured in step b) is not at the predetermined amount;
e) repeating steps a)-d) until the depth of penetration measured in step b) is at the predetermined amount; and
f) recording the testing frequency and the testing magnitude when the depth of penetration measured in step b) is at the predetermined amount as the target frequency and a target magnitude;
mechanically stimulating the formation at the target frequency to induce mechanical stress in the formation; and
directing electromagnetic radiation at an electromagnetic frequency towards the formation while or after mechanically stimulating the formation at the target frequency.

US Pat. No. 10,557,966

IMPROVING DYNAMIC RANGE IN FIBER OPTIC MAGNETIC FIELD SENSORS

Halliburton Energy Servic...

1. A system, comprising:a fiber optic cable;
first and second sensors to control a length of said cable employing a piezoelectric material; and
first and second receiver coils that control the first and second sensors, respectively,
wherein the first and second sensors maintain said length when the first and second receiver coils receive only a direct signal from a transmitter,
wherein the first and second sensors modify said length when the first and second receiver coils receive a scattered signal from a formation.

US Pat. No. 10,557,965

DEVICE, SYSTEM, AND METHOD FOR DETECTING HUMAN PRESENCE

STMICROELECTRONICS (GRENO...

1. A device, comprising:an optical source configured to transmit an optical pulse in accordance with a timing budget and a ranging period, the timing budget corresponding to a duration in time during which a distance is measured, by the device, from the device to a target, the ranging period corresponding to a period of time between consecutive distance measurements by the device;
an optical sensor configured to receive a reflection of the optical pulse;
a processor configured to determine a parameter corresponding to a quantitative change in the distance between the device and the target, the quantitative change corresponding to distances measured by the device based on the reflection of the optical pulse over consecutive distance measurements by the device; and
a controller configured to generate a first control signal based on the parameter, the first control signal being configured to set the timing budget and the ranging period for a subsequent transmission of the optical pulse by the optical source.

US Pat. No. 10,557,964

OPTICAL MODULE AND METHOD TO REALIZE AN OPTICAL MODULE

DATALOGIC IP TECH S.r.l.,...

1. An optical module for an optical unit of a light barrier, the optical module comprising:at least one radiation emitter and/or receiver for transmitting and/or receiving radiation forming the light barrier;
a tubular body suitable for housing the radiation emitter and/or receiver, wherein the tubular body comprises a first and a second element welded together to form the tubular body, wherein each the first and second elements defines an internal surface having at least one groove facing each other, and wherein the first and second elements are made of stainless steel;
a first and a second end element fastened to a first and a second end, respectively, of the tubular body closing it thereto; and
a support inserted into the grooves of the internal surfaces of the first and second elements, and upon which the radiation emitter and/or receiver is disposed within the tubular body.

US Pat. No. 10,557,963

OPTICAL COUPLERS USED IN A DOWNHOLE SPLITTER ASSEMBLY

WEATHERFORD TECHNOLOGY HO...

1. A cable for use in a downhole sensing system, comprising:an optical coupler comprising an optical coupler housing, wherein the optical coupler housing is disposed inside the cable; and
a plurality of optical waveguides coupled to the optical coupler.

US Pat. No. 10,557,962

METHOD FOR MEASUREMENT OF HYDROCARBON CONTENT OF TIGHT GAS RESERVOIRS

Saudi Arabian Oil Company...

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

US Pat. No. 10,557,961

LOGGING TOOL WITH ELECTRIC DIPOLE SOURCE AND MAGNETIC SENSOR FOR FORWARD AND LATERAL IMAGING

Saudi Arabian Oil Company...

1. A method of operations in a borehole comprising:generating a first electric dipole in the borehole that is parallel with an axis of the borehole, and generating a second electric dipole in the borehole that is transverse to the axis of the borehole, the electric dipoles forming an electromagnetic field in a formation that surrounds the borehole;
using a coil in the borehole at a location spaced axially away from the electric dipoles to sense magnetic flux that is generated by the electromagnetic field; and
based on the step of sensing magnetic flux, identifying a distance and a direction from the first electric dipole and the second electric dipole to a bed boundary that is in the formation.

US Pat. No. 10,557,960

WELL RANGING APPARATUS, METHODS, AND SYSTEMS

Halliburton Energy Servic...

1. A method comprising:coupling a power supply to a ground point at a surface of the Earth that is less than 200 meters from an opening of a first well at the surface of the Earth, and to a lower portion of a conductive casing disposed within the first well, the lower portion of the conductive casing separated by an insulating gap from an upper portion of the conductive casing, wherein the upper portion of the conductive casing is at a higher elevation of the first well than the lower portion of the conductive casing, wherein a ratio of a distance of the ground point to the opening of the first well at the surface of the Earth to a distance from the surface of the Earth to an injection point is less than 0.05; and
injecting an excitation signal into the lower portion of the conductive casing to induce a magnetic field in a geological formation surrounding the first well.

US Pat. No. 10,557,959

EVALUATION OF PHYSICAL PROPERTIES OF A MATERIAL BEHIND A CASING UTILIZING GUIDED ACOUSTIC WAVES

BAKER HUGHES, A GE COMPAN...

1. A method for determining physical properties of a material in contact with an external surface of a casing disposed in a borehole, the method comprising:inducing, with a transducer, a first shear horizontal (SH) wave in the casing at a first SH order;
measuring, with a sensor disposed on the casing, an attenuation of the first SH wave to generate a first measurement;
inducing a second SH wave in the casing at a second SH order that is different from the first SH order;
measuring an attenuation of the second SH wave to generate a second measurement; and
extracting physical properties of the material in contact with the external surface of the casing from the first and second measurements.

US Pat. No. 10,557,958

OCEAN BOTTOM SEISMOMETER PACKAGE

Magseis FF LLC, Houston,...

21. A method of acquiring seismic data using an ocean bottom seismic data acquisition unit while on an ocean bottom, comprising:continuously monitoring for seismic signals via at least one geophone disposed within the ocean bottom seismic data acquisition unit on the ocean bottom, wherein the at least one geophone is not mechanically gimbaled;
recording seismic data on at least one memory disposed within the ocean bottom seismic data acquisition unit on the ocean bottom;
the ocean bottom seismic data acquisition unit having negative buoyancy and the ocean bottom seismic data acquisition unit configured for retrieval from the ocean bottom; and
continuously monitoring for the seismic signals without receiving and without transmitting an external communication on the ocean bottom.

US Pat. No. 10,557,957

SYSTEM AND METHOD FOR IMPROVING RESOLUTION OF DIGITAL SEISMIC IMAGES

Chevron U.S.A. Inc., San...

1. A computer-implemented method of seismic imaging, comprising:a. receiving, at a computer processor, a seismic image representative of a subsurface volume of interest and an earth model;
b. decomposing the seismic image into a set of image subsets based on an image-domain decomposition function;
c. forward modeling each image subset to generate a set of synthetic data subsets;
d. decomposing each of the synthetic data subsets into a set of data sub-subsets based on a data-domain decomposition function;
e. imaging each of the sets of data sub-subsets using the earth model to generate a set of image sub-subsets;
f. combining user-selected groups of the set of image sub-subsets to generate a second set of image subsets;
g. combining the second set of image subsets based on a criterion to create a high resolution seismic image; and
h. displaying the high resolution seismic image via a user interface.

US Pat. No. 10,557,956

METHOD AND SYSTEM OF PROCESSING SEISMIC DATA BY PROVIDING SURFACE APERTURE COMMON IMAGE GATHERS

TOTAL SA, Courbevoie (FR...

1. A method of processing seismic data, comprising:inputting a seismic data including, for each of a plurality of shots at respective source locations, a plurality of seismic traces recorded at a plurality of receiver locations;
applying a depth migration process to the seismic data to obtain a first set of migrated data including, for each shot, a first migrated value respectively associated with a plurality of subsurface positions;
computing a mid-point-modulated data by multiplying the seismic data in each seismic trace by a function of a center of the source and receiver locations for said seismic trace;
 applying the depth migration process to the mid-point-modulated data to obtain a second set of migrated data including, for each shot, a second migrated values respectively associated with the plurality of subsurface positions;
 applying a subtraction process comprising a projection of a lateral distance between an image position and a common mid-point location;
 for each shot, estimating an aperture value respectively associated with at least some of the subsurface positions, by a division process performed in a Radon domain applied to the first and second sets of migrated data; and
 estimating an aperture indexed common image gather at a horizontal position, comprising respective migrated values for a parameter pair, each including a depth parameter and an aperture parameter,
wherein the migrated value for the parameter pair in the common image gather at said horizontal position is a first migrated value of the first set of migrated data associated with a subsurface position determined by said horizontal position and the depth parameter of said parameter pair for a shot such that the estimated aperture value associated with said subsurface position is the aperture parameter of said parameter pair.

US Pat. No. 10,557,955

RECONSTRUCTING IMPULSIVE SOURCE SEISMIC DATA FROM TIME DISTRIBUTED FIRING AIRGUN ARRAY DATA

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

1. A method for seismic surveying, the method comprising:using first and second time-distributed firing source arrays that each include a plurality of source elements to acquire time-distributed seismic data in a seismic survey that includes data from the first and second time-distributed seismic firing sources when activated simultaneously;
determining a time-distributed source signature that includes signatures of the first time-distributed firing source array and of the second time-distributed firing source array;
selecting a window of frequencies in the time-distributed source signature;
defining basis functions with multiple frequencies within the window of frequencies;
convolving the time-distributed source signature with the basis functions to form a basis for the acquired time-distributed seismic data;
obtaining weighting factors by using an inversion method that solves for the weighting factors from the acquired time-distributed seismic data and the basis for the acquired time-distributed seismic data;
selecting an impulsive source signature that includes source signatures of two impulsive sources;
convolving the impulsive signature with the basis functions and applying the weighting factors to form impulsive seismic data from the acquired time-distributed seismic data, which includes convolving the source signatures of the two impulsive sources with the basis functions and applying the weighting factors to form two sets of impulsive data from the time-distributed seismic data; and
processing the formed impulsive seismic data to determine properties of an interior section of the Earth.

US Pat. No. 10,557,954

MODELING ANGLE DOMAIN COMMON IMAGE GATHERS FROM REVERSE TIME MIGRATION

Saudi Arabian Oil Company...

1. A method comprising:calculating seismic source and receiver wavefields based on seismic data;
calculating characteristic source and receiver wavefields from the seismic source and receiver wavefields using characteristic solutions of a first order wave equation;
calculating propagation angles for the characteristic source and receiver wavefields;
applying a wavefield decomposition algorithm on the characteristic source and receiver wavefields to obtain corresponding directional source and receiver wavefields, wherein the wavefield decomposition algorithm decomposes wavefield amplitude of a wavefield in an angle interval centered on a propagation angle of the wavefield; and
forming angle domain common image gathers (ADCIG) by applying an image condition to the obtained directional source and receiver wavefields.

US Pat. No. 10,557,953

MOLDED SNAP-IN PLUG AND DEVICE AND METHOD FOR USING SAME

PGS Geophysical AS, Oslo...

1. A streamer spacer comprising:an elongate body having a length;
one or more holes passing through the length of the elongate body; and
a first hole passing through the length of the elongate body, the shape of the first hole is a keyhole shape and includes:
a first portion having an arcuate shape; and
a second portion lateral to and abutting the arcuate shape of the first portion and extending to a periphery of the elongate body.

US Pat. No. 10,557,952

ACCELEROMETER DEVICE

THALES, Courbevoie (FR)

1. An accelerometer device for determining the acceleration of an acoustic antenna to which the accelerometer device is mechanically connected, along three axes X, Y and Z of a main orthonormal reference system comprising three axes X, Y, Z, said acoustic antenna being subject to a surrounding pressure, the acoustic antenna comprising at least one acoustic module comprising one or more acoustic sensors mounted on at least one printed circuit board, said acoustic sensors delivering electric signals using acceleration references provided by said accelerometer device, wherein the accelerometer device comprises a set of accelerometer sensors of MEMS type comprising N accelerometer sensors, said number N of accelerometer sensors being at least equal to two, said accelerometer sensors being mounted on said at least one printed circuit board, each accelerometer sensor being configured to determine the acceleration of said acoustic antenna according to each axis X, Y, Z, the position of each sensor being defined in an auxiliary reference system comprising three orthonormal axes Xi, Yi, Zi, the plane (Xi, Yi) defining the plane of each accelerometer sensor and being parallel to the plane (X, Z) of said main reference system, said set of accelerometer sensors comprising at least one pair of accelerometer sensors mounted on either side of said at least one printed circuit board, and wherein:for each pair of accelerometer sensors, the sensors of the pair have components of opposite sign along two axes of the main reference system; and
the axes of the main reference system along which the components of the accelerometer sensors of said at least one accelerometer sensor pair have opposite signs comprise at least two of the three axes X, Y and Z of the main reference system to compensate for the effect of the pressure on at least two axes of the main reference system.

US Pat. No. 10,557,951

BOREHOLE SEISMIC SOURCE AND METHOD

CGG SERVICES SAS, Massy ...

1. A seismic source for generating seismic waves in a non-vertical borehole, the seismic source comprising:a housing;
an actuator mechanism located inside the housing and configured to generate a fluctuating pressure;
a flexible membrane attached to surround the housing and configured to hold a fluid; and
a coupling device covered by the flexible membrane and configured to generate a static pressure on the flexible membrane,
wherein, when moving inside the non-vertical borehole, the seismic source has an extended arrangement with a reduced radial profile, the flexible membrane not being in contact with the walls of the non-vertical borehole and, when generating acoustic signals, has a retracted arrangement with an expanded radial profile, the flexible membrane being in contact with the walls of the non-vertical borehole.

US Pat. No. 10,557,950

ACCELERATING FISSILE MATERIAL DETECTION WITH A NEUTRON SOURCE

Lawrence Livermore Nation...

1. A method of determining whether a material as fissile or non-fissile, comprising:generating an interrogation beam of neutrons from a pulsed electric source of neutrons;
irradiating the material by bombarding the material using the interrogation beam of neutrons;
detecting, through a detector, neutrons emitted from the material while the interrogation beam is irradiating the material, wherein the detector is configured to distinguish between electric source neutrons in the interrogation beam and induced fission neutrons from the material;
powering, with a DC power supply, a system to analyze the material;
performing an analysis of the material using the system; and
providing a Poisson neutron source comprising the electric source to generate the interrogation beam, wherein the Poisson neutron source is configured to impose no electrical ripple to distort correlation of generated neutrons and to eliminate any problematic effect of electrical ripple on the DC power supply.

US Pat. No. 10,557,949

ACCELERATING FISSILE MATERIAL DETECTION WITH A NEUTRON SOURCE

Lawrence Livermore Nation...

1. A system for characterizing a radiation source as fissile material or non-fissile material, comprising:a DC power supply comprising an AC filter circuit;
a neutron generator coupled to the DC power supply and configured to irradiate the radiation source by inducing radiation in the radiation source;
a detector configured to receive and count neutrons emitted from the radiation source both naturally and from irradiation by the neutron generator; and
an analyzer component coupled to the detector and configured to measure a number of neutrons simultaneously emitted from the radiation source during a number of measurement time periods to derive a multiplet count distribution, compute the mean count rate of the multiplet count distribution, compute the number of pairs of the multiplet count distribution, use the mean count rate to produce a Poisson distribution for the mean count rate, compute the expected number of pairs for the Poisson distribution, subtract the expected number of pairs for the Poisson distribution from the number of pairs in the measurement, and characterize the radiation source as fissile material if the number of pairs in the measurement exceeds the number of pairs for the Poisson distribution.

US Pat. No. 10,557,948

RADIATION IMAGING SYSTEM AND MOVING IMAGE GENERATION METHOD

CANON KABUSHIKI KAISHA, ...

1. A radiation imaging system for generating a moving image, comprising:a plurality of pixels each including a signal generation unit configured to convert radiation into charges;
a reading circuit electrically connected to the signal generation unit and configured to read, from each pixel, an accumulation signal output from the signal generation unit in accordance with accumulated charges and a reset signal output from the signal generation unit that is in a reset state;
a storage unit capable of storing data; and
a signal processing unit configured to store, in the storage unit, a correction image generated based on the reset signal and the accumulation signal read from each pixel before initial irradiation, said signal processing unit being further configured to generate a frame image in each frame period based on a radiation image generated based on the accumulation signal read from each pixel, a reset image generated based on the reset signal read from each pixel, and the correction image stored in the storage unit.

US Pat. No. 10,557,947

ANALOG FREQUENCY-DOMAIN MULTIPLEXING FOR TIME-OF-FLIGHT PET DETECTOR FRONTEND ELECTRONICS

Siemens Medical Solutions...

1. A detector circuit, comprising:a plurality of photomultiplier tubes each having an anode configured to generate an anode output signal; and
a frequency domain detector interface comprising a plurality of frequency domain coupling circuits, wherein each of the plurality of frequency domain coupling circuits is configured to receive the anode output signal from one of the plurality of photomultiplier tubes, wherein each of the plurality of frequency domain coupling circuits is configured to pickoff a first one of a high-frequency component and a low-frequency component from the anode output signal and generate a pass-through signal comprising a second one of the high-frequency component and the low-frequency component;
wherein each of the plurality of frequency domain coupling circuits comprises a high-frequency coupling circuit configured to pickoff the high-frequency component of the anode signal, and wherein the high-frequency coupling circuit comprises a radiofrequency directional coupler configured to pickoff the high-frequency component of the anode signal.

US Pat. No. 10,557,946

GNSS BOARD, TERMINAL AND NARROWBAND INTERFERENCE SUPPRESSION METHOD

COMNAV TECHNOLOGY LTD., ...

1. A Global Navigation Satellite System (GNSS) board, comprising a narrowband interference suppression module, the narrowband interference suppression module comprising:an interference suppression pathway, receiving an intermediate frequency signal,
a bypass pathway, receiving the intermediate frequency signal,
an interference control switch, and
a data strobe switch,
wherein, the interference suppression pathway comprises a signal conversion module, an interference detection module and an interference processing module,
wherein, the signal conversion module converts an intermediate frequency signal from a time domain signal to a frequency domain signal;
the interference detection module determines whether there is interference with the frequency domain signal, and in the case of interference, the interference detection module obtains interference frequency information, the interference detection module controls the interference control switch being closed and the data strobe switch being switched from the bypass pathway to the interference suppression pathway; and
the interference processing module performs interference suppression processing on the frequency domain signal based on the interference frequency signal to obtain an interference-canceled intermediate frequency signal output by the data strobe switch;
in the case of no interference, the interference detection module makes the interference control switch open and the data strobe switch connect to the bypass pathway.

US Pat. No. 10,557,945

CIRCUIT DEVICE, OSCILLATOR, ELECTRONIC APPARATUS, AND VEHICLE

SEIKO EPSON CORPORATION, ...

1. A circuit device comprising:a phase comparator configured to perform phase comparison between an input signal based on an oscillation signal and a reference signal;
a processor configured to output frequency control data based on phase comparison result data which is obtained through the phase comparison;
an oscillation signal generation circuit configured to generate the oscillation signal having an oscillation frequency which is set on the basis of the frequency control data from the processor; and
first, second and third registers,
wherein the first register is configured to store the phase comparison result data,
wherein first offset adjustment data which is used for offset adjustment on the phase comparison result data and is one of offset adjustment data for global positioning system (GPS) and offset adjustment data for Coordinated Universal Time (UTC) is set in the second register, and
wherein second offset adjustment data which is used for the offset adjustment and is used to adjust a phase difference between the reference signal and the oscillation signal is set in the third register.

US Pat. No. 10,557,944

TIMING CIRCUIT CALIBRATION

QUALCOMM Incorporated, S...

1. A method comprising, with a mobile device operable in a plurality of power modes:obtaining a satellite position system (SPS) time based, at least in part, on an SPS position fix at an SPS receiver;
setting a system time maintained at the mobile device to the SPS time;
obtaining three or more measurements of a temperature of at least one component of the mobile device at three or more time instances during a lower-power time interval during which the mobile device is in a lower-power mode, the three or more measurements including a first measurement at a beginning of the lower-power time interval, a third measurement at an end of the lower-power time interval, and at least a second measurement between the first and third measurements;
determining one or more estimated frequencies of a sleep counter based, at least in part, on the three or more measurements of the temperature of the at least one component of the mobile device; and
propagating the system time maintained at the mobile device to the end of the lower-power time interval based, at least in part, on the one or more estimated frequencies.

US Pat. No. 10,557,943

OPTICAL SYSTEMS

Apple Inc., Cupertino, C...

1. A remote sensing system, comprising:two transmitters that transmit light through a common optical path to an object field; and
two receivers that detect reflections of the transmitted light received at the system through the common optical path, wherein the two receivers include a medium-range receiver comprising a medium-range optical system including a plurality of refractive lens elements that refract a portion of the light reflected from a range of 50 meters or less to a first sensor that captures the light, wherein field of view of the medium-range optical system is between 15 and 60 degrees, and wherein F-number of the medium-range optical system is 1.6 or less.

US Pat. No. 10,557,942

ESTIMATION OF MOTION USING LIDAR

DSCG Solutions, Inc., Fr...

1. A method, comprising:defining a first dataset based on a performance of a first scan at a first time of an object using a plurality of beams of electromagnetic radiation emitted from a scanning mechanism;
defining a second dataset based on a performance of a second scan at a second time of the object using the plurality of beams of electromagnetic radiation emitted from the scanning mechanism, each of the first scan and the second scan being performed in a direction substantially normal to a direction of the plurality of beams;
generating, based on the first dataset and the second dataset, (i) an initial value of a first velocity of the object along a first axis orthogonal to the direction of the plurality of beams, (ii) an initial value of a second velocity of the object along a second axis orthogonal to the direction of the plurality of beams, and (iii) an initial value of a rotational velocity of the object about an axis parallel to the direction of the plurality of beams.

US Pat. No. 10,557,941

METHOD AND APPARATUS FOR INSPECTING POSITIONING MACHINE BY LASER TRACKING INTERFEROMETER

MITUTOYO CORPORATION, Ka...

1. A method for inspecting a positioning machine by a laser tracking interferometer that tracks a retroreflector using a laser beam, the method comprising:mounting the retroreflector on the positioning machine;
determining a position vector rM of a rotation center M of the laser tracking interferometer positioned in a work space of the positioning machine;
positioning the retroreflector at at least two positions pi located in a vicinity of one straight line gk extending through the rotation center M of the laser tracking interferometer, and detecting each of position vectors pi of the retroreflector by the positioning machine;
measuring a distance di,L from each of the at least two positions pi to the rotation center M using the laser tracking interferometer and computing at least one distance difference ?dij,L from a difference between the at least two distances di,L;
performing coordinate transformation of each of the position vectors pi of the retroreflector to a position vector p?i with the rotation center M at an origin;
calculating a distance di,C acquired by orthogonal projection of each of the at least two position vectors p?i to a unit direction vector gk of the straight line gk;
computing at least one distance difference ?dij,C from the at least two distances di,C; and
comparing the at least one distance difference ?dij,L measured by the laser tracking interferometer with the at least one distance difference ?dij,C measured by the positioning machine.

US Pat. No. 10,557,940

LIDAR SYSTEM

Luminar Technologies, Inc...

1. A lidar system comprising:a light source configured to emit pulses of light;
a scanner configured to scan at least a portion of the emitted pulses of light across a field of regard; and
a receiver comprising an avalanche photodiode (APD), a first comparator, a second comparator, and a time-to-digital converter (TDC), wherein the receiver is configured to detect at least a portion of the scanned pulses of light scattered by a target located a distance from the lidar system by generating, by the APD, an electrical-current signal corresponding to a received pulse of light, the received pulse of light corresponding to a pulse of light emitted by the light source, and wherein:
the first comparator is configured to produce a first electrical-edge signal when a voltage signal corresponding to the electrical-current signal generated by the APD rises above a first predetermined threshold voltage;
the second comparator is configured to produce a second electrical-edge signal when the voltage signal falls below a second predetermined threshold voltage; and
the TDC is configured to:
receive the first and second electrical-edge signals;
determine a first interval of time between emission of the pulse of light by the light source and receipt of the first electrical-edge signal; and
determine a second interval of time between emission of the pulse of light by the light source and receipt of the second electrical-edge signal.

US Pat. No. 10,557,939

LIDAR SYSTEM WITH IMPROVED SIGNAL-TO-NOISE RATIO IN THE PRESENCE OF SOLAR BACKGROUND NOISE

Luminar Technologies, Inc...

1. A lidar system comprising:a light source configured to:
emit light toward a target, the light source having an operating wavelength which lies within a band that delineates a relative maximum in atmospheric absorption; and
switch between emitting light at the operating wavelength and emitting light at a wavelength that has a reduced atmospheric absorption, comprising switching between a first seed laser that produces the operating wavelength and a second seed laser that produces the reduced-absorption wavelength, wherein switching between the first seed laser and the second seed laser comprises powering on either the first seed laser or the second seed laser;
a detector configured to detect scattered light that is emitted by the light source and subsequently scattered from the target; and
a processor configured to:
determine a characteristic of the target based on a characteristic of the scattered light received at the detector;
determine that a measure of signal quality of a signal produced by the detector in response to detecting the scattered light falls below a predetermined threshold value; and
in response to the measure of signal quality falling below the threshold value, instruct the light source to switch from emitting light at the operating wavelength to emitting light at the reduced-absorption wavelength.

US Pat. No. 10,557,937

SHIP SPEED METER AND SHIP SPEED MEASUREMENT METHOD

NIPPON YUSEN KABUSHIKI KA...

1. A ship's speed meter for measuring a speed of a ship relative to water on which the ship is floating, the ship's speed meter comprising:a wave transmitter configured to emit a sound wave toward a bottom of the water on which the ship is floating;
a wave receiver configured to detect a plurality of reflected waves reflected by a plurality of reflecting objects respectively positioned at different water depths, the reflected waves being respectively waves obtained by reflecting the sound wave emitted from the wave transmitter by means of the plurality of reflecting objects; and
an arithmetic processing unit configured to calculate the speed of the ship relative to the water on which the ship is floating based on a frequency difference between the sound wave and each of the reflected waves,
wherein the arithmetic processing unit is further configured to:
calculate a current velocity at each of a plurality of different depths based on the frequency difference between the sound wave and the corresponding reflected wave;
calculate a change rate of the current velocity in a depth direction of the water based on the calculated current velocities;
specify one of the depths at which the change rate is substantially zero as a thickness of a boundary layer; and
obtain the current velocity at the specified depth as the speed of the ship relative to the water on which the ship is floating.

US Pat. No. 10,557,936

TARGET VALUE DETECTION FOR UNMANNED AERIAL VEHICLES

GoPro, Inc., San Mateo, ...

1. A method for target value detection, the method comprising:receiving a first ultrasonic response using a first transducer of an unmanned aerial vehicle responsive to a first ultrasonic signal transmitted using the first transducer;
receiving a second ultrasonic response using a second transducer of the unmanned aerial vehicle responsive to a second ultrasonic signal transmitted using the second transducer, wherein the second transducer has a wider beam pattern than the first transducer;
determining whether the first ultrasonic response includes a target value within a first range area associated with the first transducer;
determining whether the second ultrasonic response includes the target value within a second range area associated with the second transducer, wherein the second range area includes an inner region and an outer region and the inner region corresponds to the first range area;
responsive to determining that the first ultrasonic response does not include the target value within the first range area and determining that the second ultrasonic response does not include the target value within the inner region, determining whether the second ultrasonic response includes the target value within the outer region; and
responsive to determining that the second ultrasonic response includes the target value within the outer region, generating a confidence value based on a detection of the target value using the second transducer and not using the first transducer, wherein the target value is reflected from an object and the confidence value indicates a likelihood of a position of the unmanned aerial vehicle with respect to the object.

US Pat. No. 10,557,935

DETERMINING A STATE OF A VEHICLE AND ASSISTING A DRIVER IN DRIVING THE VEHICLE

Volkswagen AG, (DE)

1. A method for determining a state of a transportation vehicle being either a critical state or a non-critical state, wherein the transportation vehicle includes a sensor for detecting another transportation vehicle in a vicinity of the transportation vehicle on a roadway, wherein the another transportation vehicle is traveling in the same direction as the transportation vehicle, in an adjacent lane on the right or on the left of the lane in which the transportation vehicle is travelling, the method comprising:determining a speed of the transportation vehicle; and
determining the vehicle state as critical or non-critical depending on a detection range of the sensor, on the determined speed of the transportation vehicle, and detection of the another vehicle within a speed-dependent minimum spacing in front of or behind the transportation vehicle,
wherein, detection of the another vehicle is based on evaluating-measured values of the sensor to determine a spacing between the transportation vehicle and the another transportation vehicle,
wherein the transportation vehicle is determined to be in the critical state based on the another transportation vehicle being within the minimum spacing in front of or behind the transportation vehicle for an impermissible period of time, and
wherein, the transportation vehicle is determined to be in the critical state based on a position of a virtual vehicle traveling relative to the transportation vehicle in response to no other vehicle being detected within the range of the sensor, wherein the virtual vehicle is positioned at a spacing away from the transportation vehicle that corresponds to the range of the sensor.

US Pat. No. 10,557,934

ALTIMETER APPARATUS FOR EXTERNAL FUSELAGE MOUNTING

ROCKWELL COLLINS, INC., ...

1. An altimeter apparatus for external fuselage mounting for an aircraft, wherein the altimeter apparatus comprises:an altimeter circuit coupled to an antenna system, wherein the altimeter circuit is configured to:
generate a first signal and transmit the first signal via the antenna system;
receive a second signal via the antenna system, wherein the second signal is a reflected version of the first signal; and
determine an altitude based on the first signal and the second signal; and
a chassis configured to contain the altimeter circuit and the antenna system outside the aircraft, wherein the chassis is connected to an external side of the fuselage of the aircraft and is located outside of the aircraft.

US Pat. No. 10,557,933

RADAR DEVICE AND POSITION-DETERMINATION METHOD

Panasonic Corporation, O...

1. A radar device mounted on a moving object, comprising:a doppler correction phase-rotation controller, which in operation, determines a Doppler correction phase-rotation amount for correcting a Doppler frequency component, based on a movement speed of the moving object;
a radar transmitter, which in operation, repeatedly transmits a corrected radar transmission signal in each radar transmission interval Tr, the corrected radar transmission signal including pulse compression codes and being corrected based on the Doppler frequency component; and
a radar receiver, which in operation, includes one or more reception branches, each receiving a reflection wave signal resulting from reflection of the corrected radar transmission signal by a target,
wherein the radar transmitter includes
a radar-transmission-signal generator, which in operation, generates a radar transmission signal, and
a phase rotator, which in operation, corrects the radar transmission signal for each radar transmission interval Tr, based on the Doppler correction phase-rotation amount, and that outputs the corrected radar transmission signal; and
wherein the radar receiver includes
a position-determination result outputter, which in operation, calculates a position-determination result of the target by using a result of Doppler-frequency analysis on the reflection wave signal received by the one or more reception branches and the Doppler correction phase-rotation amount.

US Pat. No. 10,557,932

CLOCK OSCILLATOR DETECTION

QUALCOMM Incorporated, S...

1. A detection system, comprising:a motion detector configured to detect an entity;
an oscillator detector configured to detect a real time clock (RTC) device operating at an RTC frequency; and
a controller configured to determine whether the entity is human or not based on whether or not the motion detector detects the entity and whether or not the oscillator detector detects the RTC device.

US Pat. No. 10,557,931

RADAR MEASUREMENT METHOD WITH DIFFERENT FIELDS OF VIEW

Robert Bosch GmbH, Stutt...

12. An FMCW radar sensor comprising:a control and evaluation device; and
transmitting antennas;
wherein:
at least one of the transmitting antennas has a different field of view than at least one other of the transmitting antennas with respect to at least one of an aperture angle and a range;
received signals are used for generating baseband signals;
the control and evaluation device is designed to perform a method for localizing a radar target in which FMCW radar measurements are performed with the transmitting antennas; and
the method includes:
(a) in one measurement cycle, performing, for each of the fields of view of the transmitting antennas, a respective measurement, wherein:
the respective measurement includes using frequency modulation to transmit at least two interleaved sequences of transmission signal ramps;
for each of the sequences, a same respective time interval of the respective sequence offsets from each other respective ramps of all pairs of immediately temporally adjacent ones of the ramps of the respective sequence;
for each of the sequences, a respective index value of each of the ramps of the sequence is a respective temporal position of the respective ramp relative to all other ramps of the respective sequence;
the sequences of the of all of the fields of view are temporally interleaved with one another;
for at least one of the fields of view, the sequences of the respective field of view result in at least two different, regularly recurring time offsets;
each of the at least two different, regularly recurring time offsets:
 corresponds to a respective pair of the sequences of the respective field of view;
 temporally offsets from each other the ramps of each pair of the ramps of the respective pair of the sequences that have a same one of the index values; and
 differs from the time intervals of the respective pair of the sequences;
(b) based on the baseband signals, calculating, by two-dimensional Fourier transformation and for each of the sequences, a respective two-dimensional spectrum, wherein each of the two-dimensional spectra includes:
a respective first dimension whose data points each corresponds to a respective single one of the ramps of the respective sequence to which the respective spectrum corresponds; and
a respective second dimension whose data points each corresponds to a respective characteristic of a combination of the ramps of the respective sequence to which the respective spectrum corresponds; and
(c) for each of the fields of view:
(1) determining, based on a position of a peak in at least one of the two-dimensional spectra calculated for the sequences of the respective field of view, a plurality of relative velocity values of a relative velocity of a radar target detected in the respective field of view, the determined relative velocity values being periodic with a predetermined velocity period;
(2) for each of two or more of the determined periodic relative velocity values:
 (I) calculating a phase relationship based on the respective relative velocity value;
 (II) determining a phase relationship between spectral values that are, respectively, in positions of the two-dimensional spectra of the respective field of view that correspond to each other; and
 (III) comparing to each other (i) the phase relationship calculated based on the respective relative velocity value and (ii) the determined phase relationship between the spectral values to obtain a comparison result; and
(3) based on the comparison result, selecting one of the determined periodic relative velocity values as an estimated value for the relative velocity of the radar target detected in the respective field of view.

US Pat. No. 10,557,930

TIME MEASUREMENT-BASED POSITIONING METHOD, RELATED DEVICE, AND SYSTEM

Huawei Technologies Co., ...

1. A method, comprising:separately performing, by a first device, time measurement with a plurality of second devices, to obtain a plurality of measurement results, wherein each of the plurality of measurement results corresponds to a respective second device of the plurality of second devices; and
calculating a location of the first device based on the plurality of measurement results, wherein a first measurement result of the plurality of measurement results comprises time stamps t1, t2, t3, and t4, t1 is a time at which a respective second device corresponding to the first measurement result sends a measurement frame, t2 is a time at which the first device receives the measurement frame from the respective second device corresponding to the first measurement result, t3 is a time at which the first device sends an acknowledgement frame in response to the measurement frame received from the respective second device corresponding to the first measurement result, t4 is a time at which the respective second device corresponding to the first measurement result receives the acknowledgement frame, the acknowledgement frame is sent by the first device after waiting for a randomly generated short interframe spacing after receiving a last symbol of the measurement frame received from the respective second device corresponding to the first measurement result, the randomly generated short interframe spacing is a short interframe spacing that is actually used by the first device and that is randomly generated by the first device and is within a specified fluctuation range of a nominal short interframe spacing, and the nominal short interframe spacing is a short interframe spacing agreed upon between the plurality of second devices and the first device.

US Pat. No. 10,557,929

WIND MEASUREMENT APPARATUS AND LIDAR APPARATUS

Mitsubishi Electric Corpo...

1. A wind measurement apparatus comprising:an optical device to emit a laser light into a space and to process a reflected light being the laser light reflected from the space;
a casing to house the optical device;
a light transmission window, provided in the casing, to transmit the laser light and the reflected light;
a wiper to remove foreign matter existing on an external surface of the light transmission window;
a washer fluid supplier to supply a washer fluid to the external surface of the light transmission window;
a wind velocity measurer to measure a wind velocity vector in the space, from a received signal obtained by photoelectric conversion of the reflected light;
a wind velocity storage to store a measurement success or failure result being an indicator representing whether or not the wind velocity vector is measured by the wind velocity measurer and the measured wind velocity vector;
a signal-to-noise ratio calculator to calculate a signal-to-noise ratio of the received signal;
a foreign matter detector to detect, based on at least one of the measurement success or failure result and the signal-to-noise ratio, the foreign matter existing on the external surface of the light transmission window, the foreign matter hindering the laser light and the reflected light from passing through the light transmission window;
a precipitation determiner to determine
whether precipitation, included in the foreign matter, exists on the external surface of the light transmission window based on a time elapsed since the latest wiper operation, when the foreign matter detector detects the foreign matter, and
that the precipitation does not exist, when the foreign matter detector does not detect the foreign matter; and
a wiper operation controller to cause
the wiper to operate and the washer fluid supplier not to operate, when the precipitation determiner determines that the precipitation exists, and
the washer fluid supplier and the wiper to operate, when the precipitation determiner does not determine that the precipitation exists and the foreign matter detector detects that the foreign matter exists.

US Pat. No. 10,557,928

METHODS, SYSTEMS, AND APPARATUS FOR DYNAMICALLY ADJUSTING RADIATED SIGNALS

QUALCOMM Incorporated, S...

1. A method of detecting one or more objects in a path of travel of a vehicle, the method comprising:generating a laser having a radiated power;
emitting the laser in a direction of travel of the vehicle;
receiving one or more reflections of the emitted laser reflected from the one or more objects located in the direction of travel of the vehicle;
generating a signal indicating that the one or more objects are in a path of the vehicle based on the received one or more reflections;
dynamically adjusting the radiated power of the laser based on an input corresponding to one or more of (i) a current speed of the vehicle and (ii) a current position of the vehicle; and
limiting a maximum radiated power based on a maximum power threshold and limiting a minimum radiated power based on a minimum power threshold, wherein the minimum and maximum power thresholds are adjusted based upon whether the vehicle is in a residential area.

US Pat. No. 10,557,927

LADAR RANGE RATE ESTIMATION USING PULSE FREQUENCY SHIFT

RAYTHEON COMPANY, Waltha...

1. A method for forming a range rate estimate for a target with a laser detection and ranging system comprising a laser transmitter and an array detector, the method comprising:transmitting a plurality of laser pulses at a pulse repetition frequency;
forming a one dimensional time series array corresponding to a time record of ladar return photons detected with the array detector;
fitting the time series array with a superposition of a sine and a cosine of an initial value of a tentative frequency;
iteratively fitting the time series array with a superposition of a sine and a cosine of the tentative frequency, and adjusting the tentative frequency until a completion criterion is satisfied at a final value of the tentative frequency; and
calculating the range rate estimate as the ratio of:
a product of the speed of light and a difference between a final value of the tentative frequency and the pulse repetition frequency; and
twice the pulse repetition frequency.

US Pat. No. 10,557,926

MODULAR LADAR SENSOR

Continental Advanced Lida...

1. A mobile ladar platform having a ladar sensor, the ladar sensor with a field of view and having a first electrical connector and contained within a housing, and said mobile ladar platform further having a positioning system, and a digital processor adapted to perform analysis of a scene in the field of view, and the mobile ladar platform having a second electrical connector adapted to mate with said first electrical connector, and said positioning system having at least one control motor adapted to move said mobile ladar platform in response to a command from a digital processor, and said ladar sensor further comprising:a laser transmitter with modulated laser light output and a diffusing optic for illuminating a scene in the field of view of the ladar sensor;
a zero range reference circuit having a zero range reference output adapted to signal the initiation of the modulated laser light output;
a clock driver circuit having a clock output, and having a temperature stabilized frequency reference;
a two dimensional array of light sensitive detectors positioned at a focal plane of a light collecting and focusing system, each of said light sensitive detectors having an output producing an electrical response signal from a reflected portion of said modulated laser light output;
a readout integrated circuit with a plurality of unit cell electrical circuits, each of said unit cell electrical circuits having
an input connected to one of said light sensitive detector outputs,
an electrical response signal demodulator, and
a range measuring circuit connected to an output of said electrical response signal demodulator, and said range measuring circuit further connected to the zero range reference output, and the range measuring circuit connected to the clock output and having a range output;
said two dimensional array of light sensitive detectors electrically connected to said readout integrated circuit through a plurality of metallic bumps; and
a communications port having an input connected to the range output of each unit cell and adapted to transmit the range output of each unit cell through said first electrical connector and said second connector.

US Pat. No. 10,557,925

TIME-OF-FLIGHT (TOF) IMAGE SENSOR USING AMPLITUDE MODULATION FOR RANGE MEASUREMENT

SAMSUNG ELECTRONICS CO., ...

1. A method comprising:projecting a laser pulse onto a three-dimensional (3D) object;
applying a first analog modulating signal to a first photoelectron receiver and a second analog modulating signal to a second photoelectron receiver in a pixel, and wherein the second analog modulating signal is an inverse of the first analog modulating signal;
detecting a returned pulse using the first and the second photoelectron receivers, wherein the returned pulse is the projected pulse reflected from the 3D object;
generating a pair of signal values in response to photoelectron receiver-specific detections of the returned pulse, wherein the pair of signal values includes a first signal value and a second signal value, and wherein each of the first and the second signal values is based on modulation received from a respective one of the first and the second analog modulating signals; and
determining a Time of Flight (TOF) value of the returned pulse using a ratio of the first signal value to a total of the first and the second signal values.

US Pat. No. 10,557,924

LIDAR DEVICE

SOS LAB CO., LTD, Gwangj...

1. A lidar device for measuring a first distance to an obstacle within a field of view having a vertical direction and a horizontal direction and being formed by a plurality of scanning points, the device comprising:a laser emitting unit including a plurality of VCSEL (Vertical Cavity Surface Emitting Laser) elements arranged in a form of array and emitting a laser beam;
a metasurface including a plurality of beam steering cells arranged in a form of two-dimensional array having a row direction corresponding to the vertical direction and a column direction corresponding to the horizontal direction, wherein the plurality of the beam steering cells guide the laser beam to the plurality of the scanning points by using nanopillars disposed on an emission surface side of the laser emitting unit;
wherein the nanopillars form a subwavelength pattern in the plurality of the beam steering cells,
wherein the subwavelength pattern of a specific beam steering cell among the plurality of the beam steering cells includes:
an increment of a first attribute being repeated along a first direction from a center of the metasurface to a row of the specific beam steering cell and a first change rate of the first attribute being increased according to a second distance from the row of the specific beam steering cell to the center of the metasurface, an increment of a second attribute being repeated along a second direction from the center of the metasurface to a column of the specific beam steering cell and a second change rate of the second attribute being related to a third distance from the column of the specific beam steering cell to the center of the metasurface, and
wherein the first attribute is related to at least one of a first width, a first height, and a first number per unit length of the nanopillars, and the second attribute is related to at least one of a second width, a second height, and a second number per unit length of the nanopillars.

US Pat. No. 10,557,923

REAL-TIME PROCESSING AND ADAPTABLE ILLUMINATION LIDAR CAMERA USING A SPATIAL LIGHT MODULATOR

The Government of the Uni...

1. An apparatus comprising:a spatial light modulator transmitting a structured laser beam to an object of interest in a three-dimensional scene in a field of view;
a lidar detector receiving a reflected laser beam reflected from the three-dimensional scene, the reflected laser beam denoting different round trip times of object surface reflections, said spatial light modulator being encoded using the reflected laser beam such that the structured laser beam one of masks and inverse masks the object of interest;
a first laser transmitting a pulsed first laser beam to said spatial light modulator, said pulsed laser beam comprising a pulsed laser beam size, said spatial light modulator comprising a spatial light modulator size;
a first optical element operably located between said pulsed laser and said spatial light modulator, said first optical element expanding said pulsed first laser beam size to said spatial light modulator size; and
a second optical element operably located between said spatial light modulator and said at least one image plane, said structured laser beam comprising a structured laser beam size, said field of view comprising a field of view size, said second optical element expanding said structured laser beam size to said field of view size.

US Pat. No. 10,557,921

ACTIVE BRIGHTNESS-BASED STRATEGY FOR INVALIDATING PIXELS IN TIME-OF-FLIGHT DEPTH-SENSING

Microsoft Technology Lice...

1. A method for sensing an environment using a time-of-flight depth-sensing device, comprising, for a particular sensing element of a sensor of the time-of-flight depth-sensing device:receiving instances of radiation having plural respective frequencies, each instance of radiation having a given frequency, originating from an illumination source, and being reflected from the environment;
generating frequency-specific sensor readings in response to receiving the instances of radiation;
generating a set of active brightness measurements for the plural frequencies, each active brightness measurement being based on frequency-specific sensor readings made by the particular sensing element that are associated with a particular frequency;
generating a variation measure that reflects an extent of variation within the set of active brightness measurements; and
invalidating a pixel associated with the particular sensing element if the variation measure satisfies a prescribed invalidation condition.

US Pat. No. 10,557,920

METHOD FOR BLINDNESS RECOGNITION IN RADAR SENSORS FOR MOTOR VEHICLES

Robert Bosch GmbH, Stutt...

1. A method for determining a degree of blindness of a radar sensor in a motor vehicle on the basis of a measurement of a receive power level of a radar echo, the method being carried out when at least one object is located by the radar sensor, the method comprising:determining an expected value E for the radar scatter cross-section of the object on the basis of known properties of objects to be located;
estimating a radar scatter cross-section S of the located object based on a measured receive power level; and
calculating an indicator K for the degree of blindness of the radar sensor as a monotonically increasing function of a difference between the estimated radar scatter cross-section S and the expected value E.

US Pat. No. 10,557,919

OBSERVED TIME DIFFERENCE OF ARRIVAL ANGLE OF ARRIVAL DISCRIMINATOR

GUANGDONG OPPO MOBILE TEL...

1. A method, performed by a location server, of estimating a position of a user equipment (UE) in a wireless communication system, the method comprising:receiving from the UE:
a plurality of reference signal time differences (RSTDs), the plurality of RSTDs being based on a plurality of distinct position reference signals (PRSs), respectively, wherein the plurality of distinct PRSs are received by the UE from a plurality of base stations, respectively; and
a plurality of observed angles of arrival (AOAs), each of the plurality of observed AOAs corresponding to a different one of the plurality of RSTDs;
determining a first estimated position of the UE using multilateration, based on the plurality of RSTDs and known locations of the plurality of base stations;
performing a weighting process to the plurality of RSTDs, the weighting process comprising:
determining an estimated AOA for a first RSTD of the plurality of RSTDs based on the first estimated position of the UE and the known locations of the plurality of base stations;
comparing the observed AOA corresponding to the first RSTD to the estimated AOA; and
assigning a weight to the first RSTD, a magnitude of the assigned weight being inversely proportional to a difference between the estimated AOA and the observed AOA corresponding to the first RSTD; and
determining a second estimated position of the UE based on at least three weighted received RSTDs having highest weights and the known locations of the plurality of base stations.

US Pat. No. 10,557,918

MOBILE EMERGENCY PERIMETER SYSTEM AND METHOD

ARCHITECTURE TECHNOLOGY C...

1. A method for establishing and controlling a mobile perimeter at a fixed or moving geographic location and for determining a geographic location of an emitting radio frequency (RF) emitter in a vicinity of the mobile perimeter, comprising:at each of a plurality of RF sensors:
receiving an RF transmission,
processing the received RF transmission to produce RF signal data, and
wirelessly transmitting the RF signal data to a central station; and
at the central station, a processor:
executing a cross-correlation process to:
compare characteristics of pairs of RF signal data;
based on the compared characteristics, determine a time difference of arrival (TDOA) between RF transmissions received at each RF sensor of a pair of RF sensors, and
repeat the cross-correlation process for each pair of RF sensors from which RF signal data are received; and
using the TDOA values for two or more pairs of RF sensors, the processor determining a location estimate for the RF emitter.

US Pat. No. 10,557,917

SYSTEM AND METHODS OF LOCATING WIRELESS DEVICES IN A VOLUME

SAVERONE 2014 LTD., Peta...

1. A system for localizing a transmitting wireless device within a known volume, the system comprising:N>=2 antennae deployed in N>=2 respective locations at least some of which are located within the known volume, each of the antennae being operative to receive and output a signal from the transmitting wireless device;
at least one analog-to-digital converter operative to convert analog received signals at the output of the antennae to digital sampled received signals; and
a processor operative:
to receive said digital sampled received signals and to compute at least one real time output parameter comprising a function of:
digitally sampled received signals S, received from the transmitting wireless device at antenna i; and of
digitally sampled signals, received from the transmitting wireless device at antenna j and digitally sampled, simultaneously with reception at antenna I and digital sampling of said digitally sampled received signals S,
which function is independent of a power level at which the transmitting device is transmitting,
and to estimate the transmitting wireless device's location within the volume by comparing said at least one real time output parameter to plural reference output parameters respectively having a known correspondence to plural known possible locations within said volume respectively, for at least one pair of antennae i, j from among said N antennae,
wherein said function comprises a probability density function, over time/frequency, of a parameter of
quality of reception of transmission from the transmitting wireless device at antenna I; and
simultaneous quality of reception of transmission from the transmitting wireless device at antenna j.

US Pat. No. 10,557,916

UAV DETECTION

SQUAREHEAD TECHNOLOGY AS,...

1. A system for detecting, classifying and tracking unmanned aerial vehicles in a zone of interest, the system comprising:at least one microphone array including a plurality of microphones, the at least one microphone array being arranged to provide audio data;
at least one camera arranged to provide video data; and
at least one processor arranged to process the audio data and the video data to generate a spatial detection probability map comprising a set of spatial cells, wherein the processor assigns a probability score to each cell within the set of spatial cells, said probability score being a function of:
an audio analysis score generated by an audio analysis algorithm, said audio analysis algorithm comprising comparing the audio data corresponding to the spatial cell to a library of audio signatures;
an audio intensity score generated by evaluating an amplitude of at least a portion of a spectrum of the audio data corresponding to the spatial cell; and
a video analysis score generated by using an image processing algorithm to analyse the video data corresponding to the spatial cell,
wherein the system is arranged to indicate that an unmanned aerial vehicle has been detected in one or more spatial cells within the zone of interest if the probability score assigned to said one or more spatial cells exceeds a predetermined detection threshold.

US Pat. No. 10,557,915

PROVIDING AN INDICATION OF A HEADING OF A MOBILE DEVICE

HERE Global B.V., Eindho...

1. A method, performed by at least one apparatus, comprising:estimating successive headings of a mobile device based on respective results of measurements by the mobile device on radio signals transmitted by a plurality of transmitters to obtain estimated headings;
computing a mean heading based on a predetermined number of the estimated headings and computing a standard deviation of the predetermined number of estimated headings, wherein computing the mean heading comprises removing effects of a discontinuity occurring at boundaries of a used angular range of headings, wherein removing effects of a discontinuity occurring at boundaries at least partially comprises changing a scale of negative heading samples or a scale of the mean heading, at least in an instance in which the mean heading is determined to have a predefined relationship to a first threshold or a second threshold;
determining whether the mean heading is to be considered valid based on the computed standard deviation of the estimated headings; and
providing an indication of the mean heading as an indication of a current heading of the mobile device for use by an application only if the mean heading is determined to be considered valid.

US Pat. No. 10,557,914

RADIO WAVE ARRIVAL ANGLE DETECTION DEVICE, VEHICLE DETECTION SYSTEM, RADIO WAVE ARRIVAL ANGLE DETECTION METHOD, AND VEHICLE ERRONEOUS DETECTION PREVENTION METHOD

MITSUBISHI HEAVY INDUSTRI...

11. A radio wave arrival angle detection method, comprising:resolving a partial signal, which is extracted from a single unit signal among a plurality of unit signals which constitute signals transmitted by a first carrier wave and a second carrier wave, into a sub-carrier wave group that is constituted by a plurality of sub-carrier waves with respect to each of the first carrier wave received by a first antenna and the second carrier wave received by a second antenna, the first carrier wave and the second carrier wave being carrier waves obtained by multiplexing the plurality of sub-carrier waves having frequencies different from each other; and
calculating an arrival angle of the first carrier wave at the first antenna or an arrival angle of the second carrier wave at the second antenna on the basis of a geometric relationship between a phase difference between a first sub-carrier wave and a second sub-carrier wave and arrangement positions of the first antenna and the second antenna,
wherein the first sub-carrier wave is selected from a first sub-carrier wave group obtained by resolving the first carrier wave by the carrier wave resolving unit, and
wherein the second sub-carrier wave is selected from a second sub-carrier wave group obtained by resolving the second carrier wave by the carrier wave resolving unit and has the same frequency as a frequency of the first sub-carrier wave.

US Pat. No. 10,557,913

SELF-ORIENTING BURIED MARKER

Textron Innovations Inc.,...

1. A marker for burying adjacent an underground structure such that a location of the underground structure can be identified from above a ground surface, said marker comprising:a housing;
a self-orienting beacon retention device movingly disposed within the housing, wherein the self-orienting beacon retention device comprises a coil bobbin; and
an inductance-capacitance (LC) beacon device carried by the self-orienting beacon retention device, wherein the LC beacon device comprises:
an inductor coil disposed around an exterior surface of the coil bobbin of the self-orienting beacon retention device; and
a capacitor operably connected with the inductor coil,
wherein the self-orienting beacon retention device is structured and operable to orient the coil bobbin and the inductor coil in a desired orientation relative to a ground surface regardless of the orientation of the housing relative to the ground surface.

US Pat. No. 10,557,912

DELIVERY BEACON DEVICE AND METHODS FOR USE THEREWITH

1. A beacon device for use with a drone delivery service that includes at least one drone delivery device, the beacon device comprising:a code generator configured to generate beacon data that identifies a subscriber;
a beacon generator configured to generate a wireless homing beacon that indicates the beacon data, wherein the wireless homing beacon is detectable by the at least one drone delivery device to facilitate a service delivery to the subscriber by the drone delivery device at a location corresponding to the beacon device; and
a receiver configured to receive, from the drone delivery device, delivery image data captured after the service delivery by the drone delivery device.

US Pat. No. 10,557,911

METHOD AND APPARATUS FOR MEASURING 3D GEOMETRIC DISTORTION IN MRI AND CT IMAGES WITH A 3D PHYSICAL PHANTOM

1. A method for measuring geometric distortions of a 3D medical imaging system, the method comprising:providing a 3D printed physical phantom comprising a plurality of control points, each having a pre-determined location;
obtaining a 3D image of the 3D printed physical phantom using either magnetic resonance imaging (MRI) or computed tomography (CT);
identifying the control points in the image by segmentation and morphological erosion;
determining the location of the control points in the image;
comparing the location of the control points in the image with the pre-determined location of the control points in the 3D printed physical phantom; and,
deriving a spatial vector for each control point that quantifies the geometric discrepancy between the control points in the image and the pre-determined location of the control points in the 3D printed physical phantom.

US Pat. No. 10,557,910

MAGNETIC RESONANCE IMAGING APPARATUS

Canon Medical Systems Cor...

1. A magnetic resonance imaging apparatus comprising:processing circuitry configured to repeatedly execute a pulse sequence a first number of times, the pulse sequence including a tag pulse used for labeling a fluid flowing into an image taking region of a patient followed by a plurality of data acquisition processes, wherein
the processing circuitry acquires during each of a first plurality of the data acquisition processes three-dimensional data corresponding to one region by using a three-dimensional sequence, and
the processing circuitry acquires during each of a second plurality of data acquisition processes two-dimensional data corresponding to the one region by using a two-dimensional sequence,
a first time difference between respective beginning times of the first plurality of data acquisition processes being longer than a second time difference between beginning times of the second plurality of data acquisition processes.