US Pat. No. 10,481,525

DEVELOPMENT DEVICE MANIFOLD SEAL

Xerox Corporation, Norwa...

1. A development device comprising:a housing;
a magnetic roll in the housing moving marking material in the housing;
a donor roll in the housing positioned to receive the marking material from the magnetic roll;
a manifold in the housing, wherein the manifold has a manifold opening positioned to create airflow from a surface of the donor roll; and
a seal over the manifold opening,
wherein the seal comprises a flat rectangular component having front and back planar linear surfaces ending at edges,
wherein the seal has seal openings through the front and back planar linear surfaces aligned with the manifold opening,
wherein a first edge of the housing adjacent the manifold opening is a first distance from the magnetic roll and a second edge of the edges of the seal is a second distance from the magnetic roll that is less than the first distance, and
wherein the second edge of the seal is positioned to form a consistent gap to the magnetic roll equal to the second distance.

US Pat. No. 10,481,521

DEVELOPING DEVICE HAVING SPACED COVER PORTION AND FRAME

CANON KABUSHIKI KAISHA, ...

1. A developing device comprising:a rotatable developing member configured to carry a developer containing toner and a carrier to a developing position where an electrostatic latent image formed on an image bearing member is developed;
a first frame configured to accommodate the developer;
a second frame mounted on said first frame and configured to cover part of an outer peripheral surface of said rotatable developing member;
a regulating portion provided opposite to said rotatable developing member and configured to regulate, at a position closest to said rotatable developing member, an amount of the developer carried on said rotatable developing member, said regulating portion being positioned below a rotation center of said rotatable developing member in a state that said developing device is in a position where the electrostatic latent image formed on the image bearing member is developed;
a magnet provided fixedly inside said rotatable developing member and configured to generate a magnetic field for peeling off the developer, passed through the developing position, from an outer peripheral surface of said rotatable developing member, said magnet including a plurality of magnetic poles including a first magnetic pole and a second magnetic pole which is provided adjacently to said first magnetic pole on a side downstream, with respect to a rotational direction of said rotatable developing member, of a first peak position where magnetic flux density of said first magnetic pole is a maximum and which has the same polarity as said first magnetic pole;
a cover portion provided opposite to said rotatable developing member along the outer peripheral surface of said rotatable developing member and provided between said second frame and said rotatable developing member over a rotational axis direction of said rotatable developing member, said cover portion being disposed so as to form a clearance between itself and said rotatable developing member with respect to a radial direction of said rotatable developing member and to form a clearance between itself and said second frame with respect to the radial direction of said rotatable developing member,
wherein as seen in a cross section perpendicular to the rotational axial direction of said rotatable developing member in a state that said developing device is in the position where the electrostatic latent image formed on the image bearing member is developed,
with respect to the rotational direction of said rotatable developing member, a most upstream end of said cover portion is positioned downstream of the developing position and upstream of a most upstream position of a half-width of magnetic flux density of said first magnetic pole, and
with respect to the rotational direction of said rotatable developing member, a most downstream end of said cover portion is positioned downstream of the first peak position and upstream of a position where the magnetic flux density of said first magnetic pole is a minimum on a side downstream of the first peak position and upstream of a second peak position where magnetic flux density of said second magnetic pole is a maximum,
wherein the following relationship is satisfied:
L1?L2+L3, and
L2?L3,
where with respect to the radial direction of said rotatable developing member, L1 is a minimum of the clearance formed between said second frame and said rotatable developing member, L2 is a minimum of the clearance formed between said rotatable developing member and said cover portion, and L3 is a minimum of the clearance formed between said second frame and said cover portion.

US Pat. No. 10,481,520

IMAGE FORMING APPARATUS AND CONTROL METHOD OF IMAGE FORMING APPARATUS

TOSHIBA TEC KABUSHIKI KAI...

11. A control method of an image forming apparatus comprising:controlling a second processor, which is faster than a first processor in accessing, to access a storage unit storing control information related to at least one parameter of light emission of each of a plurality of light emitting elements that irradiate a photoconductor with light in a first period during which predetermined processing is performed, and
controlling the first processor to access the storage unit in a second period other than the first period.

US Pat. No. 10,481,517

CLEANING MEMBER, CHARGING DEVICE, AND IMAGE FORMING APPARATUS

FUJI XEROX CO., LTD., Mi...

1. A cleaning member comprising:a plurality of bristles of non-circular cross section, including tips that come into contact with an object to be cleaned having a surface including recesses and projections; and
a brush base to which the bristles are attached,
wherein each bristle has a longitudinal axis oriented in a direction from the brush base to the tip of the bristle and comprises a projecting portion that projects radially from the longitudinal axis a projecting length dl, wherein dl is greater than the maximum height Rz of the projections on the surface to be cleaned,
wherein the tips are located at the outer periphery of the projecting portion of the bristles, and
wherein, the expressions Sm>db and dc>db are satisfied, where Sm is an average value of a distance between the recesses and projections that are adjacent to each other, db is a maximum width of the projecting portion of each bristle in cross section, and dc is a diameter of each bristle in cross section.

US Pat. No. 10,481,516

CHARGING MEMBER, CHARGING DEVICE, PROCESS CARTRIDGE, AND IMAGE FORMING APPARATUS

FUJI XEROX CO., LTD., Mi...

1. A charging member comprising:a cylindrical or columnar conductive base material; and
an elastic portion provided on the conductive base material,
wherein a value of an outer diameter of the charging member at a position of 5 mm from an axial end portion of the elastic portion is greater than a maximum value of an outer diameter of the charging member at an axial center of the elastic portion.

US Pat. No. 10,481,514

IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD

Ricoh Company, Ltd., Tok...

1. An image forming apparatus comprising:a latent image bearer;
an electrostatic latent image forming device to form an electrostatic latent image on the latent image bearer;
a potential sensor to detect an electric potential on the latent image bearer;
a toner image forming device to form a toner image based on the electrostatic latent image;
a toner adhesion amount detector to detect a toner adhesion amount of the toner image; and
circuitry configured to:
control the electrostatic latent image forming device to create an adjustment pattern on the latent image bearer during a non-printing period in which the image forming apparatus is not printing,
control the potential sensor to detect an electric potential of the adjustment pattern,
control the electrostatic latent image forming device and the toner image forming device to create a test toner image during a printing period,
control the toner adhesion amount detector to detect a toner adhesion amount of the test toner image, and
adjust at least one image forming condition of the electrostatic latent image forming device and the toner image forming device based on the electric potential of the adjustment pattern and the toner adhesion amount of the test toner image.

US Pat. No. 10,481,510

GRAPHENE SPECTRAL PURITY FILTER

ASML Netherlands B.V., V...

1. A spectral purity filter comprising a graphene structure having uniform thickness and homogeneous composition wherein the graphene has an EUV transmittance of greater than 85%.

US Pat. No. 10,481,506

METHOD OF MEASURING A STRUCTURE, INSPECTION APPARATUS, LITHOGRAPHIC SYSTEM AND DEVICE MANUFACTURING METHOD

ASML Netherlands B.V., V...

1. A method of determining overlay performance of a lithographic process, the method comprising:(a) directing radiation at a plurality of target structures that have been formed by the lithographic process, each target structure comprising a set of first features arranged periodically in at least a first direction and a set of second features arranged periodically in at least the first direction and being subject to overlay error associated with the second features relative to the first features,
(b) using a detection system to detect first diffraction signals comprising selected portions of the radiation diffracted by at least a subset of the plurality of target structures;
(c) using the detection system to detect second diffraction signals comprising selected portions of the radiation diffracted by at least a subset of the plurality of target structures; and
(d) processing asymmetry information derived from the first diffraction signals and the second diffraction signals to calculate at least a measurement of the overlay error in at least the first direction,
wherein said target structures have been formed with programmed offsets in the placement of the second features relative to the first features in addition to said overlay error, the programmed offsets within each subset differing in both the first direction and in a second direction, the first and second directions being non-parallel,
wherein the calculation of overlay error in step (d) combines said asymmetry information with knowledge of the programmed offsets while making no assumption whether asymmetry in a given target structure results from relative displacement of the second features in the first direction, in the second direction or both directions, and
wherein in step (b) said first diffraction signals for said plurality of target structures are captured using the detection system to form one or more first images of the plurality of target structures,
wherein in step (c) said second diffraction signals for the plurality of target structures are captured using the detection system to form one or more second images of the plurality of target structures, and
wherein in step (d) a first asymmetry value for each target structure is derived from intensity values in respective portions of the first image or images and a second asymmetry value is derived from intensity values in respective portions of the second image or images.

US Pat. No. 10,481,504

METHOD AND APPARATUS FOR SEMICONDUCTOR MANUFACTURING

IMEC VZW, Leuven (BE)

1. A method for determining dimensions of features in a patterned layer of a chip produced on a semiconductor production wafer, the production of the layer including a lithography act and an etching act, the lithography act including:applying a lithographic mask which defines a pattern of features and
exposing a resist layer to a light source through the mask, thereby obtaining printed pattern features,the method comprising the acts of:including in the mask one or more asymmetric marks which result in printed mark features in the resist layer after the lithography act, and in etched mark features after the etching act, wherein:
the position of the printed mark features depends on the set values of one or more lithographic parameters applied in the lithography act,
the position of the etched mark features depends on the set values of one or more etch parameters applied in the etching act,
determining on one or more test wafers, the position or a value representative thereof, of the printed and/or etched mark features, for a plurality of different ‘set’ values of the lithographic and/or etch parameters,
determining dimensions of one or more characteristic features of the patterned layer for the same plurality of set values of the lithographic and/or etch parameters,
determining a first parametric model correlating the position of the printed and/or etched asymmetric mark features to the plurality of different set values of the lithographic and/or etch parameters,
determining a second parametric model correlating the measured characteristic feature dimensions to the plurality of different values of the lithographic and/or etch parameters,
inverting the first parametric model,
performing the lithography and etch acts on the production wafer and determining the position of the same printed and/or etched asymmetric mark features,
calculating from the inverted model a set of ‘get’ values of the lithographic and/or etch parameters, and
determining the dimensions of one or more characteristic features on the production wafer by applying the ‘get’ values to the second parametric model.

US Pat. No. 10,481,502

OBJECT HOLDER AND LITHOGRAPHIC APPARATUS

ASML NETHERLANDS B.V., V...

1. A moveable substrate table to support a substrate, the substrate table comprising:a support body having a support surface configured to hold the substrate on the substrate table;
an opening adjacent an edge of the support surface; and
a channel attached to the support body and in fluid communication with the opening via a passageway, wherein the channel is at least essentially thermally decoupled from the support body and from the passageway so that a thermal load in material defining the channel is essentially prevented from being transmitted to the support body and to the passageway.

US Pat. No. 10,481,501

METHOD FOR PRODUCING A REFLECTIVE OPTICAL ELEMENT, REFLECTIVE OPTICAL ELEMENT, AND USE OF A REFLECTIVE OPTICAL ELEMENT

Carl Zeiss SMT GmbH, Obe...

1. A method of processing a substrate comprising a first material, the substrate comprising a cavity extending from a first surface of the substrate, the method comprising:filling the cavity in the substrate with a second material;
using galvanic and/or chemical deposition of a third material to apply an overcoating to the first surface of the substrate in a region of the cavity;
removing the second material from the cavity; and
before or after removing the second material from the cavity, applying a reflective layer to the overcoating,
wherein the method forms an article.

US Pat. No. 10,481,497

MAINTAINING CONSISTENT DARKNESS LEVELS PRODUCED BY A PHOTOCONDUCTIVE DRUM DURING THE LIFE OF THE PHOTOCONDUCTIVE DRUM

LEXMARK INTERNATIONAL, IN...

1. In an imaging device having a photoconductive drum including a surface that is selectively discharged by a laser beam to form a latent electrostatic image for attracting toner for transfer to a media, a method comprising:storing in a memory of the imaging device energy density values for the laser beam according to a coating thickness of the photoconductive drum that can be accessed by a controller to control the laser beam; and
controlling by the controller the laser beam based on the stored energy density values by increasing or decreasing energy density of the laser beam when the laser beam is scanned along the photoconductive drum, wherein the controlling further includes increasing the energy density of the laser beam as the laser beam is scanned at end portions of the photoconductive drum and wherein the increasing the energy density of the laser beam when the laser beam is scanned at the end portions is performed when the photoconductive drum has imaged less than a predetermined number of media.

US Pat. No. 10,481,491

FLUID DROPLET METHODOLOGY AND APPARATUS FOR IMPRINT LITHOGRAPHY

CANON KABUSHIKI KAISHA, ...

1. A method of generating a fluid droplet pattern for an imprint lithography process, the method comprising:during a first pass, dispensing a formable material onto a surface of a substrate by a fluid dispense system having fluid dispense ports to form a first substrate fluid droplet pattern for a first part of an imprint field of the substrate, wherein the substrate and the fluid dispense ports move relative to each other along a translating axis;
offsetting the fluid dispense ports and substrate relative to each other; and
during a second pass, dispensing the formable material onto the surface of the substrate by the fluid dispense system to form a second substrate fluid droplet pattern for a second part of the imprint field, wherein offsetting the fluid dispense ports and substrate relative to each other is performed between the first pass and the second pass;
wherein:
the first substrate fluid droplet pattern has fluid droplets of the formable material lying along a plurality of lines, wherein lines of the plurality of lines are spaced apart from one another at a pitch in a y-direction, and
offsetting is along a plane parallel to the surface of the substrate in a direction of the pitch for an offset distance that is a non-integer multiple of the pitch.

US Pat. No. 10,481,490

IMPRINT APPARATUS, AND METHOD OF MANUFACTURING ARTICLE

Canon Kabushiki Kaisha, ...

1. An apparatus that cures an uncured material on a substrate in a state of bringing a member and the uncured material into contact with each other, the apparatus comprising:a gas supply device configured to supply a condensable gas to a space between the uncured material and the member, the condensable gas being liquefied by pressing;
a pipe for transferring the condensable gas in a gas state to the gas supply device; and
a storage connected to the pipe, the storage storing the condensable gas in a liquid state,
wherein the gas supply device is configured to supply the condensable gas vaporized in the storage and transferred through the pipe from the storage.

US Pat. No. 10,481,473

IMAGE PROJECTION APPARATUS

CANON KABUSHIKI KAISHA, ...

1. An image projection apparatus comprising:a first light modulation element configured to modulate first light from a light source and to generate second light, the first light modulation element having a first number of pixels that modulate the first light;
a second light modulation element configured to modulate the second light, the second light modulation element having a second number of pixels that modulate the second light, the second number of pixels of the second light modulation element that modulate the second light being greater in number than the first number of pixels of the first light modulation element that modulate the first light;
an imaging optical system configured to image the second light on the second light modulation element and disposed on an optical path from the first light modulation element to the second light modulation element,
wherein the image projection apparatus is configured to project an image formed by light from the second light modulation element onto a projection surface, and
wherein the imaging optical system satisfies ??0.95 where ? is an imaging magnification of the imaging optical system.

US Pat. No. 10,481,468

METHOD TO GENERATE TERAHERTZ RADIATION AND TERAHERTZ RADIATION SOURCE

1. A method to generate terahertz radiation in a nonlinear optical medium, the method comprising:subjecting a pump beam to pulse front tilting by inducing a tilted pulse front of the pump beam as a sum of a plurality of pulse front tilts to satisfy a matching condition of vp,cs cos(?)=vTHz,f including inducing individual ones of the plurality of pulse front tilts separately as a partial pulse front tilt of the pump beam in subsequent steps comprising at least a first step and a second step, where vp;cs is a group velocity of the pump beam, vTHz;f is a phase velocity of the THz pulse, and ? is an angle formed between the pulse front and the phase front of said pump beam,
guiding the pump beam with tilted pulse front through imaging optics,
coupling the pump beam with the tilted pulse front into the nonlinear optical medium through an entry surface of the nonlinear optical medium,
performing a step of the subsequent steps of inducing the individual ones of the plurality of pulse front tilts by coupling the pump beam into the nonlinear optical medium through a stair-step structure formed in the entry surface of the nonlinear optical medium,
generating THz radiation using the optical medium in nonlinear optical processes as a result of the pump beam, and
passing the THz radiation through an exit surface of the nonlinear optical medium that is parallel within about two degrees to the entry surface of the nonlinear optical medium.

US Pat. No. 10,481,466

OPTICAL SWITCH

HUAWEI TECHNOLGIES CO., L...

1. An optical switch, comprising:a first optical waveguide comprising a first optical sub-waveguide and a third optical sub-waveguide;
a second optical waveguide comprising a second optical sub-waveguide and a fourth optical sub-waveguide, wherein the first optical waveguide and the second optical waveguide have a junction therebetween;
a first heater disposed adjacent the third optical sub-waveguide;
a first dielectric material disposed between the first heater and the third optical sub-waveguide; and
a second dielectric material disposed between the third optical sub-waveguide and the fourth optical sub-waveguide, wherein a thermal conductivity of the first dielectric material is greater than a thermal conductivity of the second dielectric material,
wherein the first optical waveguide and the second optical waveguide have a same height, a width of the first optical sub-waveguide is different from a width of the second optical sub-waveguide, and a width difference between the first optical sub-waveguide and the second optical sub-waveguide at a place that is at a distance from the junction is greater than a width difference between the first optical sub-waveguide and the second optical sub-waveguide at a place that is near the junction.

US Pat. No. 10,481,462

SIGNAL CONTROL FOR SEGMENTED MODULATORS

Hewlett Packard Enterpris...

1. An apparatus, comprising:a serializer;
a re-timing buffer coupled to the serializer;
a plurality of segments coupled to the re-timing buffer, wherein the plurality of segments is for controlling a timing of an electrical signal, wherein each one of the plurality of segments comprises:
a segment serializer;
a timing control coupled to the segment serializer; and
a driver coupled to the timing control; and
a phase clock coupled to the segment serializer and the timing control of each one of the plurality of segments.

US Pat. No. 10,481,458

ELECTROCHROMIC DEVICES ON NON-RECTANGULAR SHAPES

View, Inc., Milpitas, CA...

1. A method of fabricating an optically switchable device on a non-rectangular substrate, the method comprising:(a) receiving at a laser tool the non-rectangular substrate having disposed thereon one or more layers of the optically switchable device; and
(b) directing a laser spot according to two or more non-rectangular laser patterns onto a region at the periphery of the optically switchable device along two straight edges of the non-rectangular substrate to remove at least one of the one or more layers of the optically switchable device from the region without re-orienting the non-rectangular substrate as it passes through the laser tool, wherein the two straight edges meet at a corner that is not a right angle.

US Pat. No. 10,481,457

ELECTROCHROMIC DEVICE AND MANUFACTURING METHOD THEREFOR

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

1. An electrochromic device, comprising:a substrate;
a first electrode provided on the substrate;
an ion storage layer provided on the first electrode;
a polymer electrolyte layer provided on the ion storage layer;
an electrochromic layer provided on the polymer electrolyte layer; and
a second electrode provided on the electrochromic layer,
wherein the ion storage layer includes MoaTibOxNy, wherein a, b, x and y are the same as or different from each other and each independently is a real number of greater than or equal to 0.5 and less than or equal to 60.

US Pat. No. 10,481,453

METHOD OF PRODUCING DISPLAY PANEL BOARD

SHARP KABUSHIKI KAISHA, ...

1. A method of producing a display panel board comprising:a pixel electrode forming process of forming a pixel electrode formed from a transparent electrode film on a gate insulation film that covers a gate electrode;
a semiconductor film forming process of forming a semiconductor film on the gate insulation film such that a part of the semiconductor film covers the pixel electrode, the semiconductor film forming process being performed after the pixel electrode forming process;
an annealing process of processing the semiconductor film with annealing, the annealing process being performed after the semiconductor film forming process; and
an etching process of processing the semiconductor film with etching such that a channel section overlapping the gate electrode is formed in a same layer as the pixel electrode, the etching process being performed after the annealing process.

US Pat. No. 10,481,452

DISPLAY PANEL

Au Optronics Corporation,...

1. A display panel, comprising:a first substrate;
a plurality of sub-pixels, disposed on the first substrate, and the sub-pixels arranged into at least two lines, wherein the at least one sub-pixel in each of the lines comprises:
at least one transistor;
at least one signal line, electrically connected to the at least one transistor, wherein the at least one signal line comprises at least one of a data line, a scan line, a common electrode line and a power supply line;
a first insulating layer, disposed on the at least one transistor and the signal line, and the first insulating layer having at least one via hole, wherein the at least one via hole corresponds to the signal line;
a pixel electrode, disposed on the first substrate, and electrically connected to the at least one transistor; and
at least one auxiliary structure, disposed on the first substrate, and the at least one auxiliary structure corresponding to the at least one via hole, wherein the at least one auxiliary structure comprises:
at least one auxiliary electrode, disposed on the first substrate, and at least a portion of the auxiliary electrode disposed in the at least one via hole; and
at least one spacer, disposed on the first substrate, and the spacer being disposed on the at least one auxiliary electrode;
a second substrate, disposed opposite to the first substrate; and
a sealant, disposed between the first substrate and the second substrate, wherein the display panel has a pre-cutting line, and the pre-cutting line passes through the sub-pixels of at least one of the two lines.

US Pat. No. 10,481,449

ARRAY SUBSTRATE WITH COLOR FILTER LAYER AND METHOD OF PRODUCING THE SAME AND LIQUID CRYSTAL DISPLAY

Shenzhen China Star Optoe...

11. A liquid crystal display (LCD), comprising:an array substrate, comprising:
a first substrate; and
a thin film transistor (TFT) array, arranged on the first substrate; and
a color filter layer, arranged on the TFT array and comprising color-resist units with different colors, wherein a mixed color-resist area is arranged between the two neighboring color-resist units; the mixed color-resist area comprises two or more color-resist film layers arranged in layers with different colors wherein an upper surface of the mixed color-resist area is flush with an upper surface of one of the neighboring color-resist units and a lower surface of the mixed color-resist area is flush with a lower surface of the other one of the neighboring color-resist units;
a cell-aligning substrate; and
a liquid crystal layer, sandwiched between the array substrate and the cell-aligning substrate;
wherein the cell-aligning substrate comprises a second substrate and a black matrix arranged on the second substrate; the black matrix and the mixed color-resist area are arranged opposite, a width of the mixed color-resist area is equal to a width of the black matrix.

US Pat. No. 10,481,447

LCD DISPLAY DEVICE

A.U. Vista, Inc., Milpit...

1. A display device, comprising:a first display panel and a second display panel arranged for stacking into a panel stack, the panel stack having a first stack side and an opposing second stack side;
a single color-filter substrate;
a diffuser located in the panel stack between the first display panel and the second display panel;
a backlight unit located in the panel stack near the second stack side;
a signal circuit, and
a signal connector having a first connector end and a second connector end, wherein
the first display panel comprises:
said color-filter substrate;
a first TFT substrate, and
a first liquid crystal layer disposed between said color: filter substrate and the first TFT substrate, and
the second display panel comprises:
a support substrate;
a second TFT substrate; and
a second liquid crystal layer disposed between the support substrate and the second TFT substrate, the support substrate disposed adjacent to the second liquid crystal layer, spaced from the second TFT substrate, the support substrate disposed between the backlight unit and the second liquid crystal layer, and
wherein the first connector end of the signal connector is electrically connected to the first TFT substrate, and the second connector end of the signal connector is electrically connected to the second TFT substrate, and wherein the signal circuit is arranged to provide electronic signals to the first TFT substrate, and also to provide the electronic signals to the second TFT substrate via the signal connector.

US Pat. No. 10,481,441

MASK, CORRESPONDING SPACER STRUCTURE, AND LIQUID CRYSTAL DISPLAY PANEL USING THE SAME

AU OPTRONICS CORPORATION,...

1. A method of making a spacer structure by using a binary mask, comprising:providing the binary mask, wherein the binary mask has a first opening region and a second opening region, wherein the first opening region and the second opening region respectively have geometric shapes with the ratio of the length to the width or the ratio of the long axis to the short axis being greater than or equal to 1.25, and the area of the first opening region is greater than the area of the second opening region;
projecting a light ray onto a photosensitive material through the first opening region and the second opening region of the binary mask to form a first spacer and a second spacer respectively;
wherein the first spacer has a geometric shape corresponding to the ratio of the length to the width or the ratio of the long axis to the short axis of the first opening region, the second spacer has a geometric shape corresponding to the ratio of the length to the width or the ratio of the long axis to the short axis of the second opening region, and there is a height difference between the first spacer and the second spacer.

US Pat. No. 10,481,438

DISPLAY BASEPLATE AND PREPARATION METHOD THEREOF, AND DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

7. A method for preparing a display baseplate, comprising:forming a composite material comprising graphene and polyimide; and
forming a conductive alignment film on a substrate of the display baseplate, wherein conductive alignment film is formed using the composite material,
wherein forming of the composite material comprises:
providing graphene oxide;
preparing a mixture of graphene oxide and polyacrylic acid; and
causing a reduction of the mixture of the graphene oxide and polyacrylic acid, thereby producing the composite material comprising graphene and polyimide.

US Pat. No. 10,481,437

LIQUID CRYSTAL DISPLAY DEVICE AND METHOD OF MANUFACTURING THAT

Japan Display Inc., Toky...

1. A liquid crystal display device comprising:a first substrate;
a first alignment film on the first substrate;
a second substrate;
a second alignment film on the second substrate;
a liquid crystal layer sandwiched between the first alignment film and the second alignment film;
a projecting portion on the second substrate;
a black matrix on the second substrate;
a first electrode in a pixel region, the first electrode between the first alignment film and the first substrate; and
an insulation film between the first substrate and the liquid crystal layer,
wherein the first electrode and the insulation film are covered by the first alignment film,
wherein the first alignment film or the second alignment film is a photo alignment film, and
wherein a thickness “d2” of the second alignment film on the projecting portion and a thickness “d1” of the second alignment film on the black matrix satisfy a formula (1),
d2

US Pat. No. 10,481,436

PROCESS FOR PRODUCING A PHASE DIFFERENCE CONTROL COMPONENT AND LIQUID CRYSTAL DISPLAY DEVICE

Dai Nippon Printing Co., ...

1. A phase difference control component comprising:a base material; and
a phase difference control layer formed of a fixed liquid crystal material provided on said base material through a photo-aligned aligning film,
wherein the photo-aligned aligning film develops a liquid crystal structure in which liquid crystal molecules, present at the interface of the photo-aligned aligning film and the phase difference control layer, are aligned at a pretilt angle of substantially 0 degree, and
wherein the photo-aligned aligning film is photodimerization type formed of polyvinyl cinnamate.

US Pat. No. 10,481,433

DYNAMIC OPTICAL AND RF DEVICES BASED ON STRUCTURED PLASMONICS AND LIQUID CRYSTAL HYBRIDS

United States of America ...

1. An apparatus, comprising:a substrate having permittivity and absorption characteristics supporting plasmon excitation within a spectral region of interest;
a plasmonic layer, disposed upon the substrate and including plasmonic material configured to exhibit surface plasmon polaritons (SPP) when exposed to an incident light beam of a first polarization; and
a liquid crystal (LC) layer, disposed upon at least a portion of the plasmonic layer and configured to change a polarization of a light beam passing therethrough;
said LC layer, in response to a first electric field applied thereto, changes said polarization of said light beam passing therethrough to said first polarization;
said LC layer, in response to a second electric field applied thereto, changes said polarization of said light beam passing therethrough to a second polarization, said second polarization being substantially orthogonal to said first polarization, wherein the plasmonic material comprises at least one layer of graphene ribbons having a geometry and spacing selected to provide sensitivity to the spectral region of interest, wherein said first polarization is perpendicular to a long axis of said graphene ribbons.

US Pat. No. 10,481,432

PHOTOLUMINESCENT PANEL, PHOTOLUMINESCENT LIQUID CRYSTAL DISPLAY DEVICE, AND METHOD OF MANUFACTURING THE PHOTOLUMINESCENT PANEL

SAMSUNG DISPLAY CO., LTD....

1. A photoluminescent panel comprising:a lower substrate;
an upper substrate facing the lower substrate and comprising a plurality of color areas spaced apart from each other by a gap therebetween;
a liquid crystal layer between the lower substrate and the upper substrate; and
a color conversion layer on the upper substrate, and comprising:
a reflection wall provided in plural to define pairs of adjacent reflection walls among which first pairs of adjacent reflection walls define the color areas therebetween; and
a flattening layer commonly disposed between each pair of adjacent reflection walls, the flattening layer comprising a base material layer in which a light excitation particle which absorbs light having a desired wavelength and emits excited light, and a scattering particle which scatters the excited light are distributed,
wherein a same base material layer including a portion of the base material layer in which the light excitation particle is disposed extends from between the first pairs of adjacent reflection walls to be disposed at the gap between color areas.

US Pat. No. 10,481,430

DISPLAY DEVICE

Sakai Display Products Co...

1. A display apparatus comprising:a display panel;
a substrate facing the display panel and on which a light source is mounted;
a diffusion plate having a tetragonal shape and disposed between the display panel and the substrate;
a support portion that supports a peripheral part of the diffusion plate; and
a light passing portion that is provided at a corner of the support portion and through which light emitted from the light source passes, wherein
the support portion includes:
a first support member that supports the diffusion plate from a substrate side; and
a second support member that supports the diffusion plate from a display panel side, and
the second support member has an inner circumferential surface that reflects, of light traveling toward the peripheral part of the diffusion plate, light emitted from the light source toward a front side of the display apparatus without passing through the light passing portion.

US Pat. No. 10,481,423

COVER WINDOW AND FOLDABLE DISPLAY DEVICE INCLUDING THE SAME

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

1. A cover window, comprising:a first region having a first stiffness;
a second region having a second stiffness greater than the first stiffness, the second region including a first portion and a second portion, wherein the first portion is closer to the first region than the second portion; and
a nano-particle in the first portion and not in the second portion,
wherein the first region has a first thickness, and the nano-particle is positioned within the first region at a second thickness smaller than the first thickness.

US Pat. No. 10,481,421

MOUNTING RING FOR MAINTAINING OPTICAL DEVICE ALIGNMENT

1. An optical mount, comprising:a mount material shaped in a closed geometry with an outer surface having sized for matching internal dimensions of an outer housing, and an inner surface comprising a plurality of spaced apart inward extending contacting features with each providing contact points that collectively define an inner opening that is sized for securing an optical device including a crystal within, and a feature gap or a recessed portion between the inward extending contacting features;
edge holders adapted for receiving corners of the optical device comprising a protrusion pair or inner notches;
the outer surface including at least one outer notch between the inward extending contacting features;
wherein the edge holders and the outer notch are for each acting as hinge points opening or pinching depending on a direction of force for the optical mount responding with flexure when there is a dimensional change in the crystal, in the mount material, or in the housing.

US Pat. No. 10,481,419

PHYSICALLY CONTACTABLE GRAPHENE ELECTRO-OPTIC MODULATOR AND METHOD FOR MANUFACTURING THE SAME

KOREA INSTITUTE OF SCIENC...

1. A method for manufacturing a graphene electro-optic modulator that modulates a light according to an electric signal, the method comprising:forming two metal electrodes on an oxide film formed on a substrate, the two metal electrodes being spaced apart from each other;
synthesizing a first graphene film at a metal foil;
coating the first graphene film with a polymer membrane;
removing the metal foil at which the first graphene film is synthesized; and
transferring the first graphene film coated with the polymer membrane onto the oxide film,
wherein the first graphene film is electrically connected to any one of the two metal electrodes.

US Pat. No. 10,481,417

MAGNETIC ATTACHMENT MECHANISM FOR ELECTRONIC WEARABLE DEVICE

PogoTec, Inc., Roanoke, ...

1. An electronic wearable device comprising:a device body including at least one electronic component, the device body having an attachment side configured to movably attach the electronic wearable device directly to an eyewear temple by magnetic attraction between the electronic wearable device and the eyewear temple, wherein a first magnet or ferromagnetic material is located on or within the electronic wearable device and a second magnet or ferromagnetic material is located within or on the eyewear temple, and wherein the device body is positionable at a first position along a length of the eyewear temple and in a second position along the length of the eyewear temple while remaining attached to the eyewear temple; and
wherein the first magnet or ferromagnetic material does not contact a surface of the second magnet or ferromagnetic material.

US Pat. No. 10,481,415

VISION ASSISTIVE DEVICE CAPABLE OF ENHANCING LIGHT RECEIVING

1. A vision assistive device capable of enhancing light receiving, comprising:a first reflector disposed at a first position of a cornea of a human eye, the first position being located at a right edge of the cornea so that the cornea is on a front reflection side of the first reflector and external light from a back side behind the first reflector passing through the first reflector and the right edge is focused to the human eye, enhanced and amplified partially;
a second reflector disposed at a second position of the cornea of the human eye, the second position being located at a left edge of the cornea so that the cornea is on a front reflection side of the second reflector and external light from a back side behind the second reflector passing through the second reflector and the left edge is focused to the human eye, enhanced and amplified partially; and
a third reflector disposed directly in front of the cornea of the human eye;
wherein the first reflector and the second reflector are configured to reflect external light such that the reflected external light is focused at the third reflector; and
wherein the reflected external light is reflected again to the human eye by the third reflector, thereby enhancing a light intensity of the external light received by the human eye.

US Pat. No. 10,481,408

APPARATUS FOR REDUCING COHERENCE OF A LASER BEAM

CHRISTIE DIGITAL SYSTEMS ...

1. An apparatus for reducing a coherence of a laser beam, the apparatus comprising:a chamber being rectangular, the chamber comprising:
a first wall, a second wall, and a third wall each comprising a reflective inner surface; and
a fourth wall comprising a beam splitter;
the fourth wall configured to transmit at least a portion of the laser beam into the chamber to form an input laser beam incident upon the first wall;
the first wall configured to reflect the input laser beam onto the second wall;
the second wall configured to reflect the input laser beam onto the third wall;
and the third wall configured to reflect the input laser beam onto the fourth wall;
the fourth wall further configured to reflect a first portion of the input laser beam to form a further input laser beam incident upon the first wall and to transmit a second portion of the input laser beam out of the chamber to form an output laser beam;
the chamber defining a light path extending from the fourth wall, to the first wall, to the second wall, to the third wall, and back onto the fourth wall, the light path being a closed loop, the light path having a length greater than or equal to a coherence length of the laser beam;
a further chamber being rectangular, the further chamber comprising:
a further first wall, a further second wall, and a further third wall each comprising a corresponding reflective inner surface; and
a further fourth wall comprising a corresponding beam splitter;
the further chamber defining a further light path extending from the fourth wall, to the first wall, to the second wall, to the third wall, and back onto the fourth wall, the further light path being a closed loop; and
a middle wall comprising a corresponding reflective surface, the middle wall disposed between the chamber and the further chamber;
the fourth wall and the further fourth wall facing one another; and
the middle wall parallel with the first wall and the further third wall, the middle wall configured to reflect the output laser beam onto an outer surface of the further fourth wall; and
whereby the further chamber is configured to receive as an input the output laser beam and produce as an output a further output laser beam.

US Pat. No. 10,481,406

MULTI-VIEW DISPLAY DEVICE

Koninklijke Philips N.V.,...

1. A method of controlling a switchable display device, the method comprising:providing a display panel, and a non-switchable optically transparent layer; and
providing a birefringent electro-optic material disposed between the display and the non-switchable optically transparent layer,
wherein the non-switchable layer comprises a flat side and a lens side,
wherein the flat side is farther from the display panel than the lens side,
wherein the lens side comprises a plurality of lenticular lens elements,
wherein each lens element is convex,
wherein the non-switchable optically transparent layer is disposed over the display panel,
wherein the non-switchable optically transparent layer has a refractive index substantially equal to the extra ordinary refractive index of the birefringent electro-optic material,
wherein a polarization direction of light from the display output side of the display panel and incident on the non-switchable optically transparent layer is linear,
in the single view mode, placing the birefringent electro-optic material in a first state in which an optical axis of the birefringent electro-optic material is aligned with the polarization direction of the light from the display panel at a surface where the light enters the birefringent electro optic material; and
in the multi-view mode, placing the birefringent electro-optic material in a second state in which the optical axis of the birefringent electro-optic material is aligned perpendicularly to a surface of the display panel.

US Pat. No. 10,481,405

THREE DIMENSION DISPLAY DEVICE AND CONTROLLING METHOD THEREOF

BOE TECHNOLOGY GROUP CO.,...

1. A three dimension (3D) display device, comprising a display panel for displaying an image and a gratin g structure cooperating with the display panel to provide a 3D display effect, wherein the grating structure comprises a plurality of gratings capable of being switched between a transparent state and a nontransparent state, andthe 3D display device further comprises:
an eye tracking unit configured to acquire positions of eyes of a viewer; and
a control unit connected to the eye tracking unit and configured to control the gratings to be switched between the transparent state and the nontransparent state in accordance with the positions of the eyes of the viewer, to enable a left eye of the viewer to view a first view displayed on the display panel through the grating structure and enable a right eye of the viewer to view a second view displayed on the display panel through the grating structure,
wherein the grating structure consists of a backlight arranged at a rear side of the display panel, the backlight comprises a plurality of light-emitting units arranged separately, and each of the light-emitting units forms the grating in the transparent state when emitting light and forms the grating in the nontransparent state when not emitting light, and
wherein the control unit further comprises a third controller configured to adjust a size of the light-emitting unit in accordance with a distance between the backlight and the display panel and a distance between a viewer's eyes and the display panel.

US Pat. No. 10,481,401

SYSTEMS, DEVICES, AND METHODS FOR EYEBOX EXPANSION IN WEARABLE HEADS-UP DISPLAY

North Inc., Kitchener, O...

1. A method of operating a wearable heads-up display (WHUD) when the WHUD is worn on a head of a user, the WHUD including a scanning laser projector having a scan range, a split mirror having at least two non-coplanar reflective surfaces, an optical splitter, and a holographic combiner, the method comprising:generating light signals by the scanning laser projector;
scanning the light signals towards the split mirror across the scan range by the scanning laser projector;
directing the light signals towards the optical splitter by the split mirror;
directing the light signals towards the holographic combiner by the optical splitter, wherein the optical path of a respective light signal from the optical splitter to the holographic combiner is determined by a respective point of incidence and angle of incidence of the respective light signal at the optical splitter; and
directing the light signals to at least two exit pupils at or proximate an eye of the user by the holographic combiner.

US Pat. No. 10,481,397

SPECTACLE LENS AND DISPLAY DEVICE WITH SUCH A SPECTACLE LENS

tooz technologies GmbH, ...

1. A spectacle lens for an image-generating display device that can be fitted on the head of a user and generate an image, comprising:a single lens element defining a curved front side and a curved rear side, and, when the single lens element is viewed from above, a coupling-in section in an edge area of the single lens element and a coupling-out section spaced apart therefrom,
wherein a thickness dimension is defined as spanning between the curved front side and curved rear side,
wherein the curved rear side has a curvature profile such that it corrects a vision defect of the user when looking through the single lens element,
wherein the single lens element is configured to couple the generated image into the single lens element via the coupling-in section of the single lens element, and to guide the generated image in the single lens element by reflections at the front side and the rear side of the single lens element as far as the coupling-out section and to couple the generated image out of the single lens element via the coupling-out section to an exit pupil in which the user's eye is to be positioned for perceiving the coupled-out image,
wherein the coupling-out section is located within a center area of the lens defined within an angle of 40 degrees of a center point of the single lens element as measured from the exit pupil,
wherein, in order to reduce vignetting occurring when the generated image is guided via the coupling-in section through the single lens element as far as the coupling-out section, the thickness dimension in the edge area is larger in comparison to the thickness dimension elsewhere in the spectacle lens, and
wherein the single lens element has a refractive power not equal to zero.

US Pat. No. 10,481,393

SEE-THROUGH COMPUTER DISPLAY SYSTEMS

MENTOR ACQUISITION ONE, L...

1. A see-through head mounted display with controllable light blocking comprising:an optics module comprising a light source, an image source, and an angled partially-reflective surface, wherein the light source and the image source are positioned on a same side of the angled partially-reflective surface, wherein the light source projects light off of the angled partially-reflective surface to the image source, the image source reflects the projected light as image light to the angled partially-reflective surface, and the angled partially-reflective surface transmits the image light along a first axis;
a flat combiner having a first side and a second side positioned to reflect the image light off of the first side and simultaneously transmit incident light from an environment through the first and second side, along an optical axis generally perpendicular to the first axis that proceeds to a user's eye to provide a view of a displayed image overlaid onto a see-through view of the environment; and
a controllable light blocking element arranged generally parallel to the flat combiner and in front of the second side so as to block incident light from an environment incident on the same optical axis as the image light.

US Pat. No. 10,481,391

MOVABLE REFLECTIVE ELEMENT AND TWO-DIMENSIONAL SCANNING DEVICE

DAI-ICHI SEIKO CO., LTD.,...

1. A movable reflective element, comprising:a plate-like fixed frame;
a plate-like movable frame disposed within the fixed frame to define a gap between the movable frame and the fixed frame;
a plate-like mirror including a reflective surface and disposed within the movable frame to define a gap between the mirror and the movable frame;
first actuators that are a pair of linear flexible members, each first actuator connecting the fixed frame to the movable frame and including piezoelectric elements formed in an extension extending in a first direction from an inner side of the fixed frame, the piezoelectric elements stretching and contracting in the first direction, the first actuators being disposed one on either side of the movable frame in a second direction that intersects the first direction, wherein deformation of the first actuators caused by stretching and contracting of the piezoelectric elements oscillates the movable frame about a first rotation axis in relation to the fixed frame; and
second actuators that are a pair of linear flexible members, each second actuator connecting the movable frame to the mirror and including piezoelectric elements formed in an extension extending in the second direction from an inner side of the movable frame, the piezoelectric elements stretching and contracting in the second direction, the second actuators are disposed one on either side of the mirror in the first direction, wherein deformation of the second actuators caused by stretching and contracting of the piezoelectric elements oscillates the mirror about a second rotation axis in relation to the movable frame, the second rotation axis intersecting the first rotation axis,
wherein the extension of each first actuator in the first direction has a length that is longer than a distance between the inner side of the fixed frame to which the first actuator is connected and a middle point of an outer side of the movable frame in the first direction.

US Pat. No. 10,481,390

OPTICAL SCANNING DEVICE AND MANUFACTURING METHOD OF OPTICAL SCANNING DEVICE

MITSUMI ELECTRIC CO., LTD...

1. An optical scanning device comprising:a mirror that has an optical reflection surface;
a movable frame that supports the mirror;
a pair of drive beams that support the movable frame from both sides;
drive sources, disposed on the drive beams, that cause the movable frame to be swung around a predetermined axis; and
a fixed frame that supports the drive beams,wherein each of the drive sources includesa lower electrode formed on the drive beams,
a piezoelectric thin film formed on the lower electrode,
an upper electrode formed on the piezoelectric thin film, and
a stress counter film, formed on the upper electrode or formed between the piezoelectric thin film and the upper electrode, that generates a compressive stress on the drive beams, wherein
the drive beams are, in a state in which the mirror is stationary, supported in a state in which the drive beams are bent with respect to the fixed frame, wherein
ribs are formed on lower surfaces of the drive beams, and wherein the stress counter film generates the compressive stress and causes the drive beams to be bent in a direction of the lower surface on which the ribs are disposed.

US Pat. No. 10,481,389

CURVED-SURFACE APPARATUS FOR WAVELENGTH CONVERTING

IVIEW DISPLAYS (SHENZHEN)...

1. A curved-surface apparatus for wavelength converting, comprisinga light source excitation unit comprising a plurality of light source exciters for emitting identical or different excited light, respectively;
a wavelength conversion unit provided with an annular structure;
a plurality of component sets circularly disposed on a curved surface of the annular structure and divided into a plurality of component regions provided with predetermined color wavelength conversion substances;
a beam splitter set configured to reflect the excited light emitted by the light source excitation unit and transmit a predetermined light;
a condenser lens set disposed near the wavelength conversion unit;
wherein the excited light emitted by the light source exciter is reflected by the beam splitter set, passes through the condenser lens set, and penetrates the component region to generate the predetermined light having a corresponding color and the predetermined light passes through the condenser lens set and projects through the beam splitter set.

US Pat. No. 10,481,385

ENDOSCOPIC IMMERSION PROBE END OPTICS FOR LASER SPECTROSCOPY

Kaiser Optical Systems In...

1. A spectroscopic probe, comprising:a probe head including an input fiber directed to a collimating lens having an aperture, the input fiber configured to convey an excitation beam and the collimating lens embodied to collimate and focus a single counter-propagating excitation-collection beam, the probe head further including an output fiber configured to convey a collection beam to a spectrograph; and
an end optic comprising:
an optical support structure having a proximal end and a distal end defining a length, wherein the proximal end of the optical support structure interfaces to the probe head such that the optical support structure carries the excitation-collection beam to and from a sample;
an optical interface disposed at the distal end of the optical support structure, the optical interface including a focusing objective having an aperture for focusing the excitation-collection beam at one and only one focus point in the sample immediately adjacent to the optical interface; and
one or more intermediate lenses supported between the collimating lens and the optical interface by the optical support structure, wherein the one or more intermediate lenses having a focal length selected to generate an image of the collimating lens aperture at the focusing objective, to match an exposure of the focusing objective aperture with the excitation-collection beam and reduce vignetting, and to maximize coupling of optical energy in both directions between the input and output fibers to and from the focus point in the sample.

US Pat. No. 10,481,383

ENDOSCOPIC OPTICAL SYSTEM

1. An endoscopic optical system comprising:a fiber image conductor arranged in an elongated shaft tube, the fiber image conductor having a proximal face;
an objective arranged distally relative to the fiber image conductor;
an observation device arranged proximally relative to the proximal face of the fiber image conductor;
a mask formed of metal; and
a transparent cover pane arranged between the proximal face of the fiber image conductor and the observation device;
wherein the transparent cover pane is configured as a moire filter; and
the mask is a metal vapor deposition layer on a distal face of the moire filter and attached to the image conductor via an adhesive.

US Pat. No. 10,481,381

LINE-OF-SIGHT DIRECTION CONTROL DEVICE

The University of Tokyo, ...

1. A line of sight direction control device for controlling line of sight direction to be directed from an optical device toward a physical object, comprising:a tilt direction control section and a pan direction control section,
the tilt direction control section comprising a first tilt mirror and a second tilt mirror, wherein:
the first tilt mirror is rotatable by a drive mechanism in forward and reverse directions about a first rotational axis,
the second tilt mirror is rotatable by a drive mechanism in forward and reverse directions about a second rotational axis, and
the second rotational axis extends in a direction that is perpendicular to the first rotational axis,
the pan direction control section comprising a pan mirror having a rotational axis member disposed on a backside of the pan mirror, wherein:
the pan mirror is rotatable by a drive mechanism coupled to the rotational axis member, in forward and reverse directions about a third rotational axis, and
the rotational axis member extends from the backside of the pan mirror along the third rotational axis in a direction that is parallel to a line of sight direction running from the second tilt mirror of the tilt direction control section toward the pan mirror, and
wherein:
the pan mirror is installed in a direction that is inclined with respect to the rotational axis member,
the tilt direction control section scans a line of sight direction with respect to a virtual surface formed by a rotational locus of a front side of the pan mirror, by rotating the first tilt mirror and the second tilt mirror,
the tilt direction control section controls a tilt angle of the line of sight direction from the front side of the pan mirror to a physical object by rotating the first tilt mirror and the second tilt mirror,
the pan direction control section controls a pan angle of the line of sight direction from the front side of the pan mirror to the physical object, by rotating the pan mirror about the rotational axis member, and
the line of sight direction control device further comprises a pupil shift optical system, and the pupil shift optical system transfers a pupil position of line of sight to the vicinity of any one of the first tilt mirror, the second tilt mirror, and the pan mirror.

US Pat. No. 10,481,377

REAL-TIME AUTOFOCUS SCANNING

LEICA BIOSYSTEMS IMAGING,...

1. A digital scanning apparatus comprising:an objective lens;
a focusing sensor and an imaging sensor positioned in the optical path of the objective lens to sense a field of view of the objective lens; and
at least one processor configured to adjust a height of the objective lens during scanning of a sample by
selecting a macro-focus point on a sample, wherein the macro-focus point is within a predetermined range of both an edge of the sample and a line representing a maximum length across the sample,
scanning a single field of view that includes the macro-focus point using the focusing sensor to acquire image data that includes the macro-focus point at a plurality of image planes corresponding to a plurality of distance positions of the objective lens from the sample,
determining a contrast value for each of the plurality of image planes,
identifying a true-Z value, Z1, that indicates a distance position of the objective lens at which an image plane having a highest contrast value for the macro-focus point corresponds to an image plane of the imaging sensor,
scanning a plurality of regions along the line representing the maximum length across the sample to acquire a plurality of buffers of image data, wherein each buffer comprises a plurality of scan lines and each scan line comprises a plurality of pixels, such that each buffer comprises a number of rows of pixels equal to a number of the plurality of scan lines and a number of columns of pixels equal to a number of the plurality of pixels within each scan line,
determining a contrast ratio value for each of the plurality of buffers,
identifying a plurality of additional true-Z values, Z2-Zn, corresponding to the determined contrast ratio values for the plurality of buffers, wherein each additional true-Z value indicates, for a respective one of the plurality of buffers, a distance position of the objective lens at which the image plane of the imaging sensor has peak contrast,
storing all of the true-Z values, Z1-Zn, with respective location information, wherein the location information for Z1 indicates a location of the macro-focus point, and wherein the location information for each of Z2-Zn indicates a location of the respective one of the plurality of buffers,
determining a location of a region of the sample to be scanned,
identifying a nearest true-Z value to the region of the sample based on the determined location and the stored location information for the true-Z values, Z1-Zn,
determining a predicted-Z value for the region of the sample, based, at least in part, on the nearest true-Z value, and
adjusting a distance between the objective lens and the sample, based on the predicted-Z value, at a start of scanning the region of the sample.

US Pat. No. 10,481,375

SELECTIVE PLANE ILLUMINATION MICROSCOPY INSTRUMENTS

GE Healthcare Bio-Science...

1. An optical arrangement providing selective plane illumination, comprising an inverted illumination objective mounted below a sample support and arranged to provide a line or plane of light propagating at the sample support, and at least one image collection objective mounted above the sample support, the inverted illumination objective having an illumination objective optical axis, and the image collection objective having an image collection objective optical axis, wherein the illumination light is arranged to propagate the illumination objective laterally offset to the illumination objective optical axis such that the illumination light leaving the illumination objective propagates toward the sample support at an oblique angle relative to the illumination objective optical axis, and wherein the image collection objective optical axis has an angle ?? which is obtuse to the illumination objective optical axis and generally perpendicular to light propagating at the sample support,wherein the at least one image collection objective comprises first and second image collection objectives each mounted on opposing sides of the illumination objective optical axis and wherein, the illumination light is arranged to propagate on alternate opposing sides of the illumination objective optical axis along respective first and second paths, to provide the light propagating at the sample support to the first or the second image collection objective alternately.

US Pat. No. 10,481,370

OPTICAL SYSTEM, OPTICAL APPARATUS, AND METHOD FOR MANUFACTURING THE OPTICAL SYSTEM

Nikon Corporation, Tokyo...

1. A fixed focal length optical system, comprising a continuous series of six lenses consisting of, in order from an object, consecutively:a first lens having negative refractive power;
a second lens having positive refractive power;
a third lens having positive refractive power;
a fourth lens having negative refractive power;
a fifth lens having negative refractive power; and
a sixth lens having positive refractive power, and
the following conditional expression being satisfied:
0.88 where L4R2 denotes a radius of curvature of an image side surface of the fourth lens, and f denotes a focal length of the total lens system, and
wherein
the following conditional expression is satisfied:
?1.000<(L5R1+L4R2)/(L5R1?L4R2) where L5R1 denotes a radius of curvature of an object side surface of the fifth lens,
wherein the first lens is a negative meniscus lens closest to the object and has a concave surface facing the image, and wherein the continuous series of six lenses is devoid of lens elements between successive lenses of the series.

US Pat. No. 10,481,368

OPTICAL LENS ASSEMBLY, IMAGE CAPTURING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An optical lens assembly comprising seven lens elements, the seven lens elements being, in order from an object side to an image side:a first lens element with positive refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
a second lens element with negative refractive power having an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof;
a third lens element;
a fourth lens element having an object-side surface being convex in a paraxial region thereof;
a fifth lens element;
a sixth lens element; and
a seventh lens element having an image-side surface being concave in a paraxial region thereof, wherein an object-side surface and the image-side surface of the seventh lens element are aspheric, and the image-side surface of the seventh lens element comprises at least one convex shape in an off-axis region thereof;
wherein the optical lens assembly has a total of seven lens elements, an absolute value of a focal length of the first lens element is smaller than an absolute value of a focal length of the fifth lens element and an absolute value of a focal length of the sixth lens element, an axial distance between the fourth lens element and the fifth lens element is greater than an axial distance between the second lens element and the third lens element, a focal length of the optical lens assembly is f, a composite focal length of the third lens element, the fourth lens element and the fifth lens element is f345, and the following condition is satisfied:
0

US Pat. No. 10,481,367

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 first lens has a negative refractive power, the second lens has a positive refractive power, the third lens has a negative refractive power, the fourth lens has a negative refractive power, the fifth lens has a positive refractive power, the sixth lens has a negative refractive power, the seventh lens has a negative refractive power, the camera optical lens further satisfies the following conditions:??f1/f??3.1;
0.55?f2/f?1.74;
1.7?n1?2.2;
1?f6/f7?10;
2.1?(R1+R2)/(R1?R2)?10;
1.7?n3?2.2; where
f: a focal length of the camera optical lens;
f1: a focal length of the first lens;
f2: a focal length of the second lens;
f6: a focal length of the sixth lens;
f7: a focal length of the seventh lens;
n1: a refractive index of the first lens;
n3: a refractive index of the third lens;
R1: a curvature radius of object side surface of the first lens;
R2: a curvature radius of image side surface of the first lens.

US Pat. No. 10,481,364

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens group;
a second lens group; and
a third lens group, arranged in this order from an object side to an image plane side,
wherein said first lens group includes a first lens, a second lens, and a third lens,
said second lens group includes a fourth lens having positive refractive power and a fifth lens,
said third lens group includes a sixth lens having negative refractive power and a seventh lens having negative refractive power,
said first lens is formed in a shape so that a surface thereof on the image plane side has a positive curvature radius, and
said sixth lens has a focal length f6, said seventh lens has a focal length f7, and said seventh lens has an Abbe's number ?d7 so that the following conditional expressions are satisfied:
0.02 40

US Pat. No. 10,481,361

LOW STRESS MOUNTING CONFIGURATION FOR OPTICAL COMPONENT

Qioptiq Limited, St. Asa...

1. A system for mounting an optical component to a mounting base, the system comprising:a first retention mechanism configured to hold the optical component and the mounting base together; and
a second retention mechanism configured to hold the optical component and the mounting base together, wherein the second retention mechanism comprises:
a projection in an inwardly-facing cylindrical surface of the mounting base; and
a recess in an outwardly-facing cylindrical surface of the optical component,
wherein the projection is configured to engage the recess,
wherein the first retention mechanism comprises an adhesive material in a joint extending around a perimeter between the optical component and the mounting base, and wherein the adhesive material forms an upper band and a base band with a void at least partially extending around the perimeter between the upper band and the base band, and wherein the perimeter comprises a substantially circular edge region of the optical component,
wherein the mounting base comprises:
an annular base portion; and
a cylindrical wall portion that extends from an outer end of the base portion substantially perpendicularly to the base portion,
wherein the wall portion is configured to extend up an outer surface of the optical component, and
wherein a heater is inside and thermally coupled to the optical component.

US Pat. No. 10,481,360

TELECOMMUNICATIONS CABLING SYSTEM

CommScope Technologies LL...

1. A system for inserting a telecommunications cable into a jacket, the system comprising:a non-rotating cable dispenser including a length of telecommunications cable and a cable outlet through which the telecommunications cable is dispensed;
a length of jacket including an interior passage and a slit running along the length of the jacket; and
a jacket insertion device including:
a jacket guide defining a jacket feeder channel, the jacket feeder channel extending from a first end to a second end and configured to receive a leading end of the length of jacket at the first end; and
a cable guide configured to guide the length of telecommunications cable to pass at least a portion of the jacket feeder channel and extend out from the second end of the jacket feeder channel, the cable guide aligning the length of telecommunications cable with the slit of the length of jacket passing through the jacket feeder channel,
wherein at least a portion of the length of telecommunications cable is inserted into the interior passage of at least a portion of the length of jacket through at least a portion of the slit as the length of jacket and the length of telecommunications cable moves past the jacket insertion device in the travel direction;
wherein the jacket guide includes a jacket alignment device configured to be inserted into the interior passage of the jacket as the jacket passes through the jacket feeder channel in the travel direction.

US Pat. No. 10,481,357

FIBER OPTIC DISTRIBUTION SYSTEM

CommScope Technologies LL...

1. A fiber optic telecommunications system comprising:a telecommunications frame; and
a fiber optic module slidably mounted on the telecommunications frame via a three-piece slide assembly that includes a rack mount portion, a center portion, and a main housing portion, wherein the rack mount portion is stationarily coupled to the telecommunications frame, the center portion is slidably coupled to the rack mount portion along a sliding direction, and the main housing portion is slidably coupled to the center portion along the sliding direction, wherein slidable movement of the center portion with respect to the rack mount portion moves the main housing portion with respect to the telecommunications frame along the sliding direction, the fiber optic module defining connection locations, the connection locations including electrical contacts for relaying, via printed circuit boards, connectivity information regarding fiber optic connectors to be connected at the connection locations to a frame controller mounted on the telecommunications frame, wherein one of the printed circuit boards for relaying connectivity information from the connection locations of the module to the frame controller includes a flexible printed circuit board in the form of a ribbon cable that can flex as the fiber optic module is slidably moved within the telecommunications frame.

US Pat. No. 10,481,356

SUBMARINE COMMUNICATIONS CABLE, AND METHOD AND DEVICE FOR THE PRODUCTION THEREOF

Norddeutsche Seekabelwerk...

1. A submarine communications cable comprising:optical conductors (10) surrounded by an electrically conductive tube (11);
an armoring which surrounds the tube (11) externally and which is surrounded by a jacket layer; and
an external insulation,
wherein the jacket layer is formed by at least one wrapped layer (14);
wherein the wrapped layer (14) is formed by at least one thin elastic strip-like band (15, 17); and
wherein the at least one thin elastic strip-like band (15, 17) is formed by at least one partially conductive material, by a partially conductive plastic material, or by a plastic material which is more conductive than one for the purpose of electric insulation.

US Pat. No. 10,481,354

STRUCTURE OF CONNECTION BETWEEN OPTICAL UNIT AND OPTICAL PATH TUBE

Gigaphoton Inc., Tochigi...

1. A structure of connection between an optical unit and an optical path tube, the optical path tube being detachable from the optical unit, the structure comprising:an extensible tube constituting at least a part of the optical path tube, the extensible tube being extensible in a tube axis direction;
a flange attached to one end of the optical path tube;
a flange receiving part provided on the optical unit, the flange receiving part receiving a front surface of the flange, the front surface of the flange being an end surface on an open side; and
a biasing part configured to bias at least a part of the optical path tube in a direction in which the extensible tube extends, wherein
the optical unit includes a flange accommodating part that accommodates at least a part of the flange, and
the flange accommodating part has a shape that allows the flange to go into the flange accommodating part from an upper side in a vertical direction or an oblique direction crossing the vertical direction.

US Pat. No. 10,481,353

OPTICAL RECEPTACLE, OPTICAL MODULE, AND METHOD FOR PRODUCING OPTICAL MODULE

ENPLAS CORPORATION, Sait...

1. An optical receptacle configured to be disposed between a photoelectric conversion device and an optical transmission member, the photoelectric conversion device including: a substrate, a photoelectric conversion element disposed on the substrate, and a detection element disposed on the substrate and configured to monitor light emitted from the photoelectric conversion element, the optical receptacle being configured to optically couple the photoelectric conversion element and an end surface of the optical transmission member, the optical receptacle comprising:a filter disposed on a light path between the photoelectric conversion element and the optical transmission member;
a holding member configured to hold the filter; and
a receptacle main body, disposed nearer to the optical transmission member than the filter on the light path, including:
a first optical surface configured to allow incidence of the light having passed through the filter, and
a second optical surface configured to emit, toward the end surface of the optical transmission member, the light having entered the receptacle main body from the first optical surface and having passed through inside of the receptacle main body,
wherein the filter is configured to be disposed between the photoelectric conversion device and the first optical surface of the receptacle main body,
wherein the holding member and the receptacle main body are independent from each other, and
wherein the filter reflects, toward a detection element side as monitor light, a part of the light emitted from the photoelectric conversion element, and allows, to pass through the filter toward the first optical surface of the receptacle main body as signal light, a remaining part of the light emitted from the photoelectric conversion element.

US Pat. No. 10,481,352

RADIATION RESISTANT FIBER OPTICAL ASSEMBLY

NORTHROP GRUMMAN SYSTEMS ...

1. An assembly for minimizing radiation levels experienced by an optical fiber comprising:a sealed enclosure;
a length of optical fiber disposed in the enclosure and having first and second ends;
at least one port on the enclosure that enables the coupling of input and output optical signals to the respective first and second ends of the length of optical fiber;
a plurality of small particles substantially filling the interior of the enclosure where the particles have embedded therein a gas which, when released, reduces the effects of radiation upon the optical fiber;
a heating element disposed proximate to the small particles;
a heat controller coupled to the heating element that controls whether heat generated by the heating element is coupled to the small particles;
at least a portion of the gas embedded in the small particles being released to fill the inside the enclosure and provide a gaseous interior environment totally surrounding the length of the optical fiber when the small particles are subjected to the heat from the heating element to provide a gaseous interior environment in the enclosure that reduces the effects of radiation from all directions upon the optical fiber due to radiation for a source external to the enclosure.

US Pat. No. 10,481,341

FIBER OPTIC ADAPTER ASSEMBLY

COMMSCOPE CONNECTIVITY BE...

1. A fiber optic adapter assembly comprising:a housing defining an internal cavity being open through a first opening at a first exterior end and through a second opening at a first interior end opposite to the first exterior end, the housing including a first guide element;
an adapter module floatingly disposed in the internal cavity of the housing and configured to align ferrules of a first fiber optic connector and a second fiber optic connector inserted into the adapter module in opposite directions, the adapter module including:
a ferrule holder having a barrel portion extending along a longitudinal axis and configured to receive the ferrules of the first fiber optic connector and the second fiber optic connector from opposite directions and configured to align optical fibers of the first fiber optic connector and the second fiber optic connectors therein, and
an adapter body surrounding the ferrule holder and including a flange extending radially outwardly from the adapter body and a second guide element correspondingly engaging the first guide element of the housing, and the adapter body being longitudinally slidable through the second opening of the housing; and
a single biasing member disposed in the internal cavity of the housing surrounding the adapter body and engaging the flange, and concentrically aligned with the adapter module, the single biasing member surrounding the second guide element and being configured to bias the adapter module in a direction toward the first exterior end and be compressible in a direction toward the first interior end.

US Pat. No. 10,481,340

OPTICAL CONNECTOR FERRULE AND OPTICAL CONNECTION STRUCTURE

Sumitomo Electric Industr...

1. An optical connector ferrule comprising:a body including a flat ferrule end surface provided at one end of the body, and an optical fiber retaining hole opened in the ferrule end surface, the optical fiber retaining hole being configured to have an optical fiber inserted therein and retain the inserted optical fiber; and
a spacer joined to the body, at least a portion of the spacer being disposed on the ferrule end surface with a certain thickness, the spacer including an opening is provided on an extension of center axis of the optical fiber retaining hole,
wherein the spacer and the body are made of resin, and the spacer is welded to the body.

US Pat. No. 10,481,337

MECHANICAL JOINT FOR USE IN FIBER OPTIC IMAGING SYSTEMS

Magic Leap, Inc., Planta...

1. An apparatus, comprising:an optical fiber;
an actuator; and
a joint mechanically coupling the actuator to the optical fiber, the joint comprising:
a neck extending along an axis, the optical fiber being threaded through an aperture extending along the axis through the neck, wherein the optical fiber is attached to the joint at a surface of the neck facing the axis,
a collar extending along the axis, wherein the actuator is mechanically attached to the joint at an inner surface of the collar facing the axis, and
a flexural element extending radially from the neck to the collar, wherein the flexural element comprises one or more beams extending between the neck and the collar, and
wherein during operation, the joint couples a force from the actuator to the optical fiber to vary an orientation of a portion of the optical fiber extending from the neck with respect to the axis.

US Pat. No. 10,481,336

METHODS AND SYSTEMS FOR MICROELECTRONIC PACKAGING

Aeponyx Inc., Repentigny...

1. A device comprising:a substrate;
an optical waveguide structure comprising:
an optical waveguide formed upon a substrate;
a first suspended optical waveguide section coupled at a first end to the optical waveguide and at a second distal end to a first end of a non-suspended optical waveguide section;
the non-suspended optical waveguide section disposed upon an arm of a first microelectromechanical systems (MEMS) micro-positioner; and
a second suspended waveguide coupled at a first end to a second distal end of the non-suspended optical waveguide section;
the first MEMS micro-positioner comprising a first portion for providing motion of the arm coupled to a first end of the arm; wherein
the optical waveguide structure is continuous from the first suspended optical waveguide section to the second suspended optical waveguide section.

US Pat. No. 10,481,333

ATHERMAL SILICON PHOTONICS WAVELENGTH LOCKER AND METER

MACOM TECHNOLOGY SOLUTION...

1. A wavelength locker, comprising:a first multimode interference (MMI) coupler, at least one input of the first MMI coupler being coupled to a coherent source of light;
a first waveguide having an input coupled to a first output of the first MMI coupler;
a second waveguide having an input coupled to a second output of the first MMI coupler;
a second MMI coupler having a plurality of inputs and a plurality of outputs, a first of the plurality of inputs of the second MMI coupler being coupled to an output of the first waveguide, and a second of the plurality of inputs of the second MMI coupler being coupled to an output of the second waveguide; and
an interference pattern selector configured to:
receive a plurality of signals corresponding, respectively, to light output from the plurality of outputs of the second MMI coupler, the plurality of outputs of the second MMI coupler comprising at least three outputs; and
select a pair of the plurality of outputs of the second MMI coupler based on power levels of individual ones of the plurality of outputs and a predetermined frequency of a telecommunications frequency grid.

US Pat. No. 10,481,331

REINFORCEMENT SLEEVE

FUJIKURA LTD., Tokyo (JP...

1. A reinforcement sleeve for reinforcing a fusion splice portion of a plurality of optical fibers for connecting the plurality of optical fibers to each other by fusion splice, the reinforcement sleeve comprising:a base member;
a cover member that sandwiches the fusion splice portion between the cover member and the base member;
a first adhesive layer disposed between and in direct contact with the base member and the plurality of optical fibers; and
a second adhesive layer disposed between and in direct contact with the cover member and the plurality of optical fibers, wherein
a width of the reinforcement sleeve is defined by a reinforcement sleeve standard,
a height of the reinforcement sleeve is 1/n of a height defined by the reinforcement sleeve standard, where n is an integer equal to or larger than 2,
the base member has sidewalls disposed on opposite ends of the base member in a width direction of the base member so as to extend along a height direction of the base member,
one of the cover member or the sidewalls comprises a protrusion projecting in the width direction, and
the other one of the cover member or the sidewalls comprises an engagement hole that engages with the protrusion.

US Pat. No. 10,481,330

SYSTEM AND METHOD PROVIDING PARTIAL VACUUM OPERATION OF ARC DISCHARGE FOR CONTROLLED HEATING

3SAE TECHNOLOGIES, INC., ...

1. An optical fiber processing system, comprising:at least two electrodes;
at least one fiber holder configured to hold a portion of at least one optical fiber between the at least two electrodes;
an arc discharging unit configured to drive the at least two electrodes to generate a heat zone in a gap between the at least two electrodes and to ionize the gas within the heat zone to reach saturation for a chosen gas pressure;
an enclosure enclosing the gap; and
a vacuum generating venturi configured to control a gas pressure within the enclosure to control a temperature of the heat zone.

US Pat. No. 10,481,329

FIELD TERMINABLE FIBER OPTIC CONNECTOR ASSEMBLY

CommScope Technologies LL...

1. A fiber optic connector assembly comprising:a carrier defining a connector end and an oppositely disposed cable end, the connector end of the carrier configured for mounting a fiber optic connector;
an alignment structure disposed on the carrier, the alignment structure including a first end and a second end and a throughhole extending from the first end to the second end, the alignment structure including a cutaway portion extending generally perpendicularly to and communicating with the throughhole, the cutaway portion configured such that a first optical fiber extending from a fiber optic connector mounted to the carrier can be positioned within at least a portion of the throughhole with an end of the first optical fiber to be located within the cutaway portion of the alignment structure; and
a window disposed within the cutaway portion of the alignment structure so as to be positioned over the end of the first optical fiber, the window configured for visually inspecting an alignment of the end of the first optical fiber with an end of a second optical fiber to enter the cable end of the carrier.

US Pat. No. 10,481,328

OPTICAL PHASED ARRAY WITH INTEGRATED SECONDARY OPTICS

Honeywell International I...

1. An optical phased array, comprising:a substrate layer having a substantially planar surface;
a plurality of emitters on the substantially planar surface of the substrate;
at least one cladding layer over the plurality of emitters;
a plurality of optics components coupled to the at least one cladding layer and located a predetermined distance away from the plurality of emitters, the plurality of optics components in optical communication with the plurality of emitters;
wherein the emitters are configured to emit respective light beams at multiple different angles with respect to the substantially planar surface of the substrate;
wherein a pitch between the light beams after being transmitted through the optical components is substantially reduced compared to the pitch between the light beams emitted at the substrate layer;
wherein the plurality of optics components comprise:
a first set of optics configured for angular correction of light beams emitted from the plurality of emitters, and at least a second optical component separated from the first set of optics, the at least second optical component configured for divergence enhancement of the light beams transmitted from the first set of optics; or
a combined set of optics configured for angular correction of light beams emitted from the plurality of emitters, and for divergence enhancement of the light beams transmitted from the combined set of optics.

US Pat. No. 10,481,327

PHOTODETECTOR SYSTEM INCLUDING A WAVEGUIDE AND A TUNED REFLECTOR

Hewlett Packard Enterpris...

1. A photodetector system comprising:a waveguide photodetector including:
an input to receive an optical signal, the optical signal comprising frequencies within a first frequency band and a second frequency band; and
an output to output an electrical output signal corresponding to the input optical signal;
a reflector coupled to the waveguide photodetector, the reflector to filter frequencies of the second frequency band such that the frequencies of the second frequency band pass through the reflector without being reflected and to reflect the frequencies of the first frequency band such that the frequencies of the first frequency band are reflected back into the waveguide photodetector to generate the electrical output signal; and
a first waveguide coupled to the input and a second waveguide arranged substantially parallel with the first waveguide and coupled to the reflector, such that the input optical signal is to oscillate between the first and second waveguides.

US Pat. No. 10,481,325

FABRICATION METHOD OF MULTI-CORE FIBER BRAGG GRATING PROBE USED FOR MEASURING STRUCTURES OF A MICRO PART BASED ON THE CAPILLARY SELF-ASSEMBLE TECHNIQUE

HARBIN INSTITUTE OF TECHN...

1. A fabrication method of a multi-core FBG probe for measuring structures of a micro part based on the capillary self-assemble technique, comprising:reducing the diameter of the fiber inscribed with FBG by:
preparing a fiber, inscribed with FBG, of 100 mm˜1000 mm in length; where the FBG part, located at the 30 mm˜50 mm from the terminal of the fiber inscribed with FBG, is 10 mm˜20 mm in length;
stripping a coating of 50 mm˜80 mm in length off the fiber inscribed with FBG from its terminal close to the FBG part;
reducing the diameter of the FBG part without the coating of the fiber inscribed with FBG using a mechanical method, which includes:
straightening the fiber inscribed with FBG,
fixing the fiber inscribed with FBG on a setting mechanism of a synchronous-rotation motor and aligning the axis of the fiber inscribed with FBG with that of the synchronous-rotation motor,
polishing the fiber inscribed with FBG, the wheel covered by the polishing slice above the axis of rotation of the synchronous-rotation motor polishes the part without the coating of the fiber inscribed with FBG repeatedly at a constant speed along its axis, and
monitoring the procedure of the polishing with a microscopy system and stopping the polishing when the diameter of the part without the coating of the fiber inscribed with FBG is d, wherein d is in a range from 50 ?m to 100 ?m, and the fiber inscribed with FBG whose diameter has been reduced is achieved;
cutting off the fiber inscribed with FBG whose diameter has been reduced of 30 mm˜50 mm in length using a cleaver, and making sure that the FBG part is located at the terminal of the fiber inscribed with FBG whose diameter has been reduced and its length is in a range from 5 to 10 mm; and
washing the fiber inscribed with FBG whose diameter has been reduced using an ultrasonic cleaner with the anhydrous ethanol for 5 min˜20 min;Self-assembling the fiber inscribed with FBG whose diameter has been reduced by:preparing a tube of 10 mm˜30 mm in length and D=(50 ?m˜100 ?m)×3+(1 ?m?50 ?m) in inner diameter which has an inner taper angle at one terminal;
inserting the N fibers inscribed with FBG whose diameter has been reduced by step 1 into the tube from the terminal with an inner taper angle and making sure that their FBG terminals of 5 mm˜10 mm in length out of the tube is parallel;
fixing the tube vertically and immersing the FBG terminal of the fibers inscribed with FBG whose diameter has been reduced into the a glass with the UV adhesive of less than 100 cp in viscosity for 5 min˜15 min, wherein the immersion depth is 3 mm˜6 mm; the UV adhesive is raised in the gaps between the fibers inscribed with FBG whose diameter has been reduced and a most compact structure of fiber bundle is formed as a result of the capillary self-assembly;
taking the tube and the fiber bundle within the tube out of the UV adhesive without the dislocation of the fiber bundle, and curing the fiber bundle with UV adhesive using a UV light for 1 min˜10 min to form the multi-core FBG; and
filling the inner taper angle of the tube with the thermosetting adhesive and curing it using a heater at a constant temperature of 50° C.˜180° C. for 10 min˜60 min; polishing the terminal of the multi-core FBG by:
fixing the tube with the multi-core FBG on an optic fiber polishing machine and adjusting the height of the tube to make the terminal of the multi-core FBG contacted with the polishing slice;
polishing the terminal of the multi-core FBG as the way for processing a FC/PC connector and stopping the polishing when the terminal is smooth and impeccable, and the polished multi-core FBG is achieved; and
cleaning the terminal of the polished multi-core FBG using the dust-free paper and anhydrous ethanol;fabricating a spherical tip on the polishing terminal of the polished multi-core FBG by:fixing the tube with the polished multi-core FBG processed by step 3 vertically;
adjusting the height of the polished multi-core FBG and make the polishing terminal located at 0.5 mm˜3 mm below the electrode of the electric discharge machine; and
adjusting discharge time and intensity of an electric discharge machine and melting the polished multi-core FBG; the melt fiber forms a favorable sphere because of the gravity and the surface tension, and a spherical tip is fabricated on the polishing terminal of the polished multi-core FBG after it becomes cool; a multi-core FBG probe is thus fabricated.

US Pat. No. 10,481,324

FIBER OPTIC DIFFRACTION GRATING

Chiral Photonics, Inc., ...

1. A fiber diffraction grating having at least one diffracted wavelength for controlling a light signal transmission of at least one wavelength therethrough, comprising:a modified optical fiber comprising a fiber core and a fiber cladding, said modified optical fiber having at least one core mode, and at least one of: at least one cladding mode and at least one radiating mode, said modified optical fiber further comprising:
at least one structural element having a geometrical profile, wherein said geometrical profile is configured to diffract a light signal of said at least one core mode away from the fiber core at said at least one diffracted wavelength, selected from the at least one transmission signal wavelength, wherein said at least one diffracted wavelength is not sensitive to the refractive index of a medium outside the fiber cladding.

US Pat. No. 10,481,322

ILLUMINATING DEVICE

Japan Display Inc., Mina...

1. A display device comprising:a display panel including a curved surface,
a lightguide plate including a curved emitting surface, and an incidence surface comprising a side edge curved along the emitting surface;
a printed circuit board facing the incidence surface; and
a plurality of light sources which are mounted on the printed circuit board and emit light to the incidence surface, wherein
each of the light sources comprises a light-emitting center, a pair of connection terminals connected to the printed circuit board, and a central axis extending through the connection terminals and the light-emitting center, and
the light sources are arranged along a curved mounting line extending along the curved side edge of the incidence surface on the printed circuit board, such that the light-emitting centers are located on the mounting line, and such that the central axes are parallel to each other and are located in a direction intersecting with the mounting line.

US Pat. No. 10,481,315

METHOD AND APPARATUS FOR ENCAPSULATING A LIGHT SOURCE

1. A method, comprising:providing a light source embedded in a bulk, the light source comprising at least one light generation element, the bulk having a viewable surface for viewing the light generated from the light source;
forming an obscuring layer on the viewable surface for obscuring said at least one light generation element when light is not generated from the light generation element the obscuring layer comprising a thin layer of a light transmissive adhesive material formed on the viewable surface; and
adhering light obscuring particulate to the light transmissive adhesive material so that the light generation element is obscured when the viewable surface is viewed when light is not generated from the light generation element and when light is generated, a portion of the light generated by the light generation element is transmitted from the viewable surface.

US Pat. No. 10,481,312

LAMINATE AND IMAGE DISPLAY DEVICE

FUJIFILM Corporation, To...

1. A laminate comprising,a substrate, an inorganic layer, and an organic layer,
wherein the laminate does not further comprise a liquid crystal layer,
wherein the organic layer contains an organic dichroic pigment, and
wherein the substrate, the organic layer, and the inorganic layer are provided in this order.

US Pat. No. 10,481,307

OPTICAL ANTENNA

Agency for Science, Techn...

1. An optical antenna comprising:at least one first particle;
at least one second particle having a diameter that is larger than a diameter of the at least one first particle; and
at least one light source interposed between the at least one first particle and the at least one second particle, the at least one light source configured to provide the optical signal;
wherein the at least one first particle and the at least one second particle are arranged along a plane, and
wherein the at least one first particle is configured to enhance an optical emission of the at least one light source providing an optical signal to the optical antenna and the at least one second particle is configured to direct the optical signal in the form of an inverted cone perpendicular to the plane.

US Pat. No. 10,481,305

VISIBLE NEAR-INFRARED ULTRA-BROADBAND ABSORBER AND ITS PREPARATION METHOD

ZHEJIANG UNIVERSITY, Han...

1. A visible near-infrared ultra-broadband absorber, comprising a substrate, characterized in that a bottom metal absorbing layer, a top germanium layer and a three-layer broadband anti-reflection coating are provided sequentially above the substrate; and the three-layer broadband anti-reflection coating respectively comprises a bottom layer, an intermediate layer and an outmost layer sequentially above the top germanium layer with gradually decreasing refractive indexes; and further characterized in that an alternating film layer for the germanium/metal absorbing layer is provided between the bottom metal absorbing layer and the top germanium layer; and the alternating film layer is made up of one or several germanium/metal absorbing layer units, in which the germanium layer is arranged close to the bottom metal absorbing layer; wherein the bottom layer is silicon.

US Pat. No. 10,481,304

LENS SHEET, METHOD OF FORMING LENS SHEET, AUGMENTED REALITY DEVICE AND SYSTEM

PANASONIC INTELLECTUAL PR...

1. A lens sheet, comprising:an array of lenses,
wherein each lens comprises:
a light redirecting portion, and
a light refracting portion,
wherein the light redirecting portion is configured to receive light of first view image and light of second view image and redirect the light of the first view image and the light of the second view image to the light refracting portion,
wherein the light refracting portion is configured to refract the light of the first view image to a first view region and refract the light of the second view image to a second view region spaced apart from the first view region, and
wherein the first view region is a left eye view region of a driver, and the second view region is a right eye view region of the driver.

US Pat. No. 10,481,298

PHOTONIC DIODE AND METHOD OF MANUFACTURING THE SAME

POSTECH ACADEMY-INDUSTRY ...

1. A photonic diode comprising:a first meta-material structure having a first bar; and
a second meta-material structure having a second bar arranged in a direction perpendicular to the first bar,
wherein the first bar and the second bar are separated from each other and the first bar and the second bar are at least partially overlapped when viewed from a light propagation direction.

US Pat. No. 10,481,297

FLUID MIGRATION PATHWAY DETERMINATION

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

1. A method of determining a migration pathway of a subterranean fluid through a geological volume, the method comprising:placing sources at one or more source locations;
placing surface receivers at varying distances and azimuths from the one or more source locations;
carrying out seismic testing by imparting energy to the earth from the sources at the one or more source locations and measuring return energy to the receivers;
analyzing seismic testing results to generate data points distributed through a geological volume, each data point being associated with values of one or more geological attributes derived from the results of the seismic testing and at least some of which are indicative of possibility for fluid migration at the data point;
identifying a starting object within the geological volume, wherein the starting object defines an initial position of a fluid boundary at a plurality of the data points;
defining an expression which determines a change in position of the fluid boundary at the data points from forces acting on the object at the fluid boundary, wherein the forces are determined from the values of the one or more geological attributes associated with the data points and the forces are (i) force normal to the object boundary, (ii) directional force on the object, and (iii) curvature force which minimizes curvature of the object boundary; and
applying the expression at the data points for successive iterations to evolve the position of the fluid boundary over the successive iterations, whereby the migration pathway of the subterranean fluid through the geological volume can be determined from the evolution of the position of the fluid boundary.

US Pat. No. 10,481,296

MAGNETIC SENSOR CORRECTION FOR FIELD GENERATED FROM NEARBY CURRENT

Hallibunon Energy Service...

1. A downhole tool, comprising:a body;
a power source coupled to the body;
a load coupled to the body;
a power circuit extending between and electrically coupling the power source and the load to conduct current provided by the power source to and from the load, wherein, when current flows through the power circuit, a conductor magnetic field is generated;
a magnetic sensor coupled to the body to obtain sample measurements of a magnetic field, wherein the magnetic sensor is positioned on the body separately from the power circuit, the power source and the load, such that the conductor magnetic field affects operation of the magnetic sensor;
a current sensor communicably coupled to the power circuit to measure the current in the power circuit; and
a computer communicably coupled to the magnetic sensor and the current sensor, the computer configured to:
receive the sample measurements of the magnetic field from the magnetic sensor during drilling operations using a drill string that includes the downhole tool,
receive current measurements from the current sensor during the drilling operations,
obtain a stored correction factor during the drilling operations,
determine, based on the stored correction factor and the received current measurements, a portion of the conductor magnetic field that is induced at the magnetic sensor by the conducted current during the drilling operations,
remove the determined portion of the conductor magnetic field from the sample measurements of the magnetic field to obtain a measurement of Earth's magnetic field during the drilling operations, and
provide the measurement of Earth's magnetic field for control of a directional drilling tool during the drilling operations.

US Pat. No. 10,481,294

INSPECTION SYSTEM

1. An inspection system comprising a base, a boom lifting mechanism provided on said base and a detector mounting boom, wherein said boom lifting mechanism comprising at least two support arms arranged sequentially, said at least two support arms comprising a base arm and a distal arm, said base arm being connected to said base, said boom being mounted on said distal arm, said inspection system having a scanning state and a transporting state, two adjacent support arms of the at least two support arms being rotatably connected so that the height of said boom in the scanning state is different from that in the transporting state;wherein said boom comprising a first detection arm and a second detection arm rotatably provided on said first detection arm;
wherein when said inspection system is in the scanning state, said first detection arm is horizontally arranged and said second detection arm is vertically arranged, and said boom lifting mechanism, said first detection arm and said second detection arm jointly constituting a door-shaped structure; and
wherein when said inspection system is in the transporting state, said second detection arm is in the same direction as said first detection arm by rotation relative to said first detection arm, and said first detection arm and said second detection arm are both horizontally arranged.

US Pat. No. 10,481,293

STATISTICAL METHODS FOR ASSESSING DOWNHOLE CASING INTEGRITY AND PREDICTING CASING LEAKS

Saudi Arabian Oil Company...

1. A non-transitory, computer-readable medium storing computer-readable instructions, the instructions executable by a computer and configured to:obtain, from corrosion logs generated by an electromagnetic (EM) logging tool, raw EM corrosion data for a hotspot, wherein the raw EM corrosion data includes a metal thickness loss value for the hotspot;
determine a corrosion parameter based on the raw EM corrosion data, wherein the corrosion parameter includes a corrosion rate that is calculated based on an original thickness value, a remaining thickness value, and a number of years;
generate a probability distribution curve for the corrosion parameter;
generate a corrosion severity classification matrix based on the probability distribution curve, wherein the corrosion severity classification matrix includes a plurality of corrosion severity classes and cutoff values for each of the plurality of corrosion severity classes;
assign the hotspot into one of the plurality of corrosion severity classes based on a comparison of the cutoff values for the plurality of corrosion severity classes in the corrosion severity classification matrix and the corrosion parameter of the hotspot; and
generate a service alert for the hotspot based on the assigned corrosion severity class.

US Pat. No. 10,481,291

CHEMICALLY-SELECTIVE IMAGER FOR IMAGING FLUID OF A SUBSURFACE FORMATION AND METHOD OF USING SAME

SHELL OIL COMPANY, Houst...

1. An imager for imaging fluid of a subsurface formation, the imager comprising:a housing having a sidewall defining a passage to receive a core sample of the subsurface formation therethrough, the housing positioned in a downhole tool, the housing having a fluid inlet to receive fluid from the subsurface formation into the passage;
a permanent magnet positioned in the sidewall of the housing, the permanent magnet comprising magnetic coils oriented to direct a magnetic field through the passage;
a radio frequency coil positioned in the sidewall of the housing between the permanent magnet and the passage, the radio frequency coil oriented to direct a radio frequency field through the passage;
a magnetic field gradient positioned in the sidewall of the housing between the permanent magnet and the radio frequency coil to selectively direct a gradient field through the passage; and
a chemically-selective imager configured to generate images of the fluid in the core sample operatively connected to the radio frequency coil to selectively pulse frequencies according to a pulse sequence whereby images of hydrocarbons and aqueous fluids in the core sample are generated based on differences in chemical shift, wherein nuclear magnetic resonance measurement is performed using compressed sensing and rapid acquisition with relaxation enhancement (RARE).

US Pat. No. 10,481,289

LOGGING SYSTEM AND METHOD FOR EVALUATION OF DOWNHOLE INSTALLATION

STATOIL PETROLEUM AS, St...

1. A logging system for evaluation of a downhole installation, wherein the downhole installation comprises: a first pipe layer, a second pipe layer about the first pipe layer, an annulus between the first pipe layer and the second pipe layer, and a geological formation outside of the second pipe layer, the system comprising:a logging tool including an angled acoustic transmitter for exciting a flexural wave in the first pipe layer, and three or more angled acoustic receivers spaced apart along the tool such that, in use, the receivers are at different locations along the length of the pipe layers, the receivers each being for obtaining third interface echo data from the second pipe layer; and
a processor arranged to process acoustic data from the receivers in order to: identify trends in the amplitude of the third interface echo as it propagates along the length of the pipes, calculate an estimated exponential decay for the third interface echo when reinforcement from other acoustic energy is disregarded, use this estimation to predict if the material behind the second pipe layer is fluid or solid, and analyse the third interface echo data in light of the determined material state in order to thereby evaluate material conditions in the annulus outside the second pipe layer.

US Pat. No. 10,481,287

SURFACE CONSISTENT STATICS SOLUTION AND AMPLIFICATION CORRECTION

Saudi Arabian Oil Company...

1. A computer implemented method for producing corrected seismic data from seismic data generated from a plurality of seismic receiver stations configured to sense seismic signals originating from a plurality of seismic source stations, wherein at least one of the plurality of seismic source stations or one of the plurality of seismic receiver stations is positioned on an outcropping geobody, the method comprising:obtaining, by a processor, at least one seismic trace, the at least one seismic trace comprising unprocessed seismic data;
identifying, from the unprocessed seismic data, a signature associated with the geobody, the signature corresponding to a geometry of the geobody;
performing, by the processor, a variable gap deconvolution to attenuate the signature and generate processed seismic data without near-surface reverberations caused by the outcropping geobody; and
performing, by the processor, a frequency-dependent amplitude correction on the processed seismic data to produce corrected seismic data, wherein at least one of the plurality of seismic source stations or plurality of seismic receiver stations is positioned on a near-surface feature having less distortion effects than the outcropping geobody and the corrected seismic data comprises first corrected seismic data;
performing, by the processor, a surface consistent deconvolution and amplitude correction on the corrected seismic data to produce second corrected seismic data.

US Pat. No. 10,481,286

MARINE SEISMIC VIBRATOR FOR LOW FREQUENCY AND METHODS OF USE

PGS Geophysical AS, Oslo...

1. A marine seismic vibrator comprising:a shell;
a base plate, wherein the base plate is coupled to the shell;
a driver disposed within the shell;
an inner spring element disposed within the shell, wherein the inner spring element is coupled to the driver;
an outer spring element disposed within the shell, wherein outer ends of the outer spring element are coupled to outer ends of the inner spring element at spring element junctions; and
a back mass disposed on the outer spring element, wherein the inner spring element and the outer spring element are configured to propagate acoustic waves of opposite polarity.

US Pat. No. 10,481,283

CONFIGURABLE ANALOG-TO-DIGITAL CONVERTER AND PROCESSING FOR PHOTON COUNTING

TEXAS INSTRUMENTS INCORPO...

1. A photon counting system, comprising:a photon sensor;
a charge sensitive amplifier (CSA) coupled to the photon sensor; and
an analog to digital converter (ADC) coupled to the CSA, the ADC comprising:
successive approximation circuitry comprising:
an N-bit digital-to-analog converter (DAC);
an N-bit successive approximation register (SAR);
a plurality of N-bit registers;
a multiplexer.

US Pat. No. 10,481,281

RADIATION IMAGE DETECTOR WITH CAPABILITY OF AUTOMATIC EXPOSURE DETECTION (AED) AND AED METHOD

Industrial Technology Res...

1. A radiation image detector with capability of automatic exposure detection, comprising:a high voltage circuit unit providing an operation bias;
an image sensing panel receiving the operation bias and sensing an incident X-ray, and generating holes and electrons, wherein the holes generate positive charges to form an image;
an automatic exposure detector coupled to the high voltage circuit unit to transfer the operation bias and detecting a variation pattern with time of a sensing signal generated by the electrons, wherein a reference signal is internally generated dynamically varying with time for comparing with the sensing signal, and an onset time point for exposure is determined when the reference signal is greater than the sensing signal in a start stage, and an cessation time point for the exposure is determined when the sensing signal is greater than the reference signal in an exposure stage;
a control unit coupled to the high voltage circuit unit, the image sensing panel, and the automatic exposure detector and configured to perform a system control, comprising obtaining an image signal of the image from the image sensing panel; and
an imaging unit coupled to the control unit and receiving the image signal of the image to process the image signal and display and store the image.

US Pat. No. 10,481,280

RADIATION DETECTING APPARATUS, RADIATION DETECTING SYSTEM, AND MANUFACTURING METHOD FOR RADIATION DETECTING APPARATUS

Canon Kabushiki Kaisha, ...

1. A radiation detecting apparatus comprising:a scintillator configured to convert irradiated radiation into visible light;
a pixel array in which a plurality of pixels that each converts the visible light converted by the scintillator into electric signals is arranged in a two-dimensional array form on a first surface of a substrate;
a plurality of connection terminal portions arranged on a periphery of the pixel array on the first surface of the substrate and configured to electrically connect the pixel array to an external circuit; and
a conductive member to which a constant potential is supplied,
wherein the conductive member, the pixel array, and the scintillator are arranged in this order from a side irradiated with radiation, and the scintillator is arranged on the first surface side, and
wherein the conductive member is arranged in a region of a second surface opposite to the first surface of the substrate but does not extend to a region opposite to the plurality of connection terminal portions on the first surface.

US Pat. No. 10,481,273

SYSTEMS AND METHODS FOR GNSS PROCESSING DURING INTERFERENCE SUPPRESSION

ROCKWELL COLLINS, INC., ...

11. A method, comprising:receiving an incoming signal, the incoming signal including a radio frequency (RF) satellite signal from a satellite vehicle;
generating a calibration signal;
applying the calibration signal to the incoming signal to generate a calibrated incoming signal;
executing an interference suppression algorithm on the calibrated incoming signal to generate a suppressed calibrated incoming signal;
executing a first tracking channel using the suppressed calibrated incoming signal to generate a suppressed calibrated pseudorange parameter;
comparing the suppressed calibrated pseudorange parameter to a predetermined calibrated pseudorange parameter to determine an interference suppression error;
executing the interference suppression algorithm on the incoming signal to generate a suppressed incoming signal;
executing a second tracking channel corresponding to the satellite vehicle using the suppressed incoming signal to generate a satellite pseudorange parameter;
modifying the satellite pseudorange parameter using the interference suppression error; and
outputting a location of a receiver device based on the modified satellite pseudorange parameter.

US Pat. No. 10,481,272

RADIO NAVIGATION DEVICE AND METHOD FOR RECEIVING, EVALUATING AND PROCESSING FAULTY NAVIGATION SIGNALS

Neusoft Technology Soluti...

7. A method for receiving, evaluating and processing navigation signals for satellite-supported position determination, in particular using a radio navigation device including a data bank and that provides substantially statically stored, predeterminable positioning data on regions where previously-detected radio navigation signals were determined to be deficient or lacking radio navigation signal reception, and sends error information of the previously-detected radio navigation signals to a receiving apparatus in response a current location being at least proximate the regions that are deficient or lacking radio navigation signal reception, comprising:providing, by the radio navigation device, at least one receiving apparatus and at least one evaluating apparatus and a data bank;
connecting, by the radio navigation device, the evaluating apparatus to the data bank, the data bank having positioning data which are pre-determined and comprising predictable, statically stored regions of that are deficient or lacking radio navigation signal reception and are associated with an error type based on the type of deficiency;
sending, by the radio navigation device, the pre-determined positioning data of the data bank dependently upon predefined location information with regard to predictable that are deficient or lacking radio navigation signal reception and error information of the received navigation signals to at least one of the evaluating apparatus;
determining, by the radio navigation device, a corrected position of at least one receiving apparatus by using the positioning data of the data bank; and
determining, by the radio navigation device, the corrected position of at least one receiving apparatus by using the error type of the predictable regions that are deficient or lacking radio navigation signal reception of the data bank.

US Pat. No. 10,481,271

AUTOMOTIVE LIGHTING SYSTEM FOR A VEHICLE

MAGNA ELECTRONICS SOLUTIO...

1. An automotive lighting system for a vehicle, said automotive lighting system comprising:a taillight disposed at a vehicle equipped with an external object detection system;
wherein said taillight comprises a housing that contains a light source operable to illuminate at least rearward of the equipped vehicle;
wherein said external object detection system comprises a LIDAR sensor;
wherein said LIDAR sensor is disposed in said housing of said taillight;
wherein said LIDAR sensor is operable to emit optical signals at least rearward of the equipped vehicle, and wherein optical signals reflected back to said LIDAR sensor are processed by an electronic control unit of said external object detection system;
wherein processing of reflected optical signals by said electronic control unit detects an object present exterior of the equipped vehicle;
wherein processing by said electronic control unit comprises use of 3D imaging techniques to generate a 3D image of the object present exterior of the equipped vehicle; and
wherein, responsive to detection of the object present exterior of the equipped vehicle, brightness of illumination by said light source exterior of the equipped vehicle increases from a first brightness value to a higher second brightness value for enhancing illumination of the detected object.

US Pat. No. 10,481,268

TEMPERATURE BASED CONTROL IN LIDAR

Innoviz Technologies Ltd....

1. A LIDAR system for use in a vehicle, the LIDAR system comprising:at least one light source configured to project light toward a field of view for illuminating a plurality of objects in an environment of a vehicle;
at least one processor configured to:
control the at least one light source in a manner enabling light flux of light from the at least one light source to vary over scans of a plurality of portions of the field of view, wherein during scanning of the field of view, heat is radiated from a system component among a plurality of system components;
receive information indicating that a temperature associated with at least one system component among the plurality of system components exceeds a threshold; and
in response to the received information indicating the temperature exceeding the threshold, modify an illumination ratio between two portions of the field of view such that during at least one subsequent scanning cycle less light is delivered to the field of view than in a prior scanning cycle.

US Pat. No. 10,481,267

UNDISTORTED RAW LIDAR SCANS AND STATIC POINT EXTRACTIONS METHOD FOR GROUND TRUTH STATIC SCENE SPARSE FLOW GENERATION

TUSIMPLE, San Diego, CA ...

1. A method of generating a ground truth dataset for motion planning for a non-transitory computer readable storage medium storing one or more programs, the one or more programs comprising instructions, which when executed by a computing device, causes the computing device to perform the following steps comprising:transforming LiDAR scans into undistorted LiDAR scans based on LiDAR's poses for the motion planning of a vehicle;
identifying, for a pair of undistorted LiDAR scans, points belonging to a static object in an environment;
aligning the close points based on pose estimates; and
transforming a reference scan that is close in time to a target undistorted LiDAR scan so as to align the reference scan with the target undistorted LiDAR scan.

US Pat. No. 10,481,264

LASER PROCESSING DEVICE AND LASER PROCESSING SYSTEM

FANUC CORPORATION, Yaman...

1. A laser processing device for processing of a work using a processing laser beam, comprising:at least one optical path splitting means that splits the processing laser beam;
a photodetector that detects the intensity of the processing laser beam split by the optical path splitting means, and outputs a detection signal having a signal intensity responsive to the detected intensity together with a time of detection of the intensity;
a signal intensity comparing unit that compares the signal intensities of multiple detection signals each being the detection signal received from the photodetector; and
a detection time comparing unit that compares times of detection of multiple intensities each being the intensity received from the photodetector,
the signal intensity comparing unit measuring a processing quality by comparing the signal intensity of a detection signal received from the photodetector responsive to an incident beam on the work resulting from splitting by the optical path splitting means and the signal intensity of a detection signal received from the photodetector responsive to a reflected beam from the work resulting from splitting by the optical path splitting means,
the detection time comparing unit measuring a distance between the laser processing device and the work by comparing a time of detection of an intensity received from the photodetector responsive to the incident beam and a time of detection of an intensity received from the photodetector responsive to the reflected beam.

US Pat. No. 10,481,262

OPTICAL SENSOR FOR MEASURING DISPLACEMENT OF A HAPTIC PLATE

Facebook Technologies, LL...

1. An optical sensor comprising:a light source configured to illuminate a surface of a haptic plate in which a haptic wave propagates causing displacement of portions of the haptic plate in one or more directions;
a plurality of optical detectors configured to detect light reflected from the surface of the haptic plate, and at least two of the plurality of optical detectors are positioned relative to the light source such that an amount of light received at each of the optical detectors is based at least in part on a direction of displacement of the haptic plate; and
a controller configured to monitor the haptic wave using the detected light.

US Pat. No. 10,481,260

ULTRASOUND IMAGING PROBE FOR IMAGING A TEMPORARY CHANGE IN AN ENVIRONMENT

Super Sonic Imagine, Aix...

1. An ultrasonic imaging probe for imaging a medium, comprising:a first type of ultrasonic transducers configured to perform an ultrasonic imaging of the medium, having a first focus in the medium and a first resonance frequency, and
a second type of ultrasonic transducers configured to generate a stress producing transient movements of the imaged medium, having a second focus in the medium and a second resonance frequency,
wherein the second focus generates said stress producing transient movements as deep as depth of ultrasonic imaging obtained with the first focus, and the second resonance frequency is lower than the first resonance frequency,
the first and the second types of ultrasonic transducers having different focuses so that field of said stress producing transient movements is larger than field of said ultrasonic imaging while maintaining said probe in a fixed position relative to said medium,
the first and the second types being configured to operate at least in a coupled mode wherein the first and the second types are synchronized so as to image the medium during progression of the transient movements to obtain images of progression of transient modification of the medium.

US Pat. No. 10,481,257

SYNTHETIC APERTURE RADAR APPARATUS

Mitsubishi Electric Corpo...

1. A synthetic aperture radar apparatus comprising:a synthetic aperture radar sensor to emit chirp signals into space, said each chirp signal being a pulse signal that has a frequency changing with time and a range chirp rate indicating a rate of change of said frequency being switched, and to receive reflected waves of said chirp signals which are reflected by a target to thereby output received signals of said reflected waves; and
a signal processor including an image reconstruction processor that performs range compression on the received signals outputted by said synthetic aperture radar sensor, and reconstructs a synthetic aperture radar image from the received signals subjected to the range compression,
said signal processor further including a peak shift compensator that compensates for a peak shift of a distance between said synthetic aperture radar sensor and said target, the peak shift occurring in the received signal subjected to the range compression performed by said image reconstruction processor, due to a movement of said synthetic aperture radar sensor during a time period until the reflected waves of the chirp signals are received by said synthetic aperture radar sensor after said chirp signals are emitted from said synthetic aperture radar sensor,
said peak shift compensator having:
a DFT unit to perform a discrete Fourier transform on the received signals outputted by said synthetic aperture radar sensor; and
a function value multiplier to multiply the received signals subjected to the discrete Fourier transform, by function values of a complex function defined by the range chirp rate at an azimuth time and an azimuth angle in a transmission direction of the pulse signal at the azimuth time, thereby to compensate for the peak shift.

US Pat. No. 10,481,256

SHOPPING CART CORRAL SYSTEM AND ASSOCIATED SYSTEMS AND METHODS

WALMART APOLLO, LLC, Ben...

1. A shopping cart corral system, comprising:a corral structure including a proximal end, a distal end, and an enclosure configured and dimensioned to extend between the proximal and distal ends, the enclosure defining an interior area for receiving one or more shopping carts, the proximal end of the corral structure including an opening for entrance and exit of the one or more shopping carts from the enclosure;
a radio-frequency transmitter to transmit a radio-frequency signal into the interior area of the enclosure, the radio-frequency signal interacting with the one or more shopping carts in the corral structure to generate a reflected radio-frequency signal having at least one property that differs from the radio-frequency signal based on interference of the one or more shopping carts with the radio-frequency signal;
a radio-frequency receiver being configured to receive the reflected radio-frequency signal; and
a controller operatively coupled to the radio-frequency receiver, the controller being configured to estimate a quantity of shopping carts that are disposed in the interior area of the enclosure based on the at least one property of the reflected radio-frequency signal received by the radio-frequency receiver, a degree to which the one or more shopping carts interfere with the radio-frequency signal indicative of the quantity of shopping carts that are disposed in the interior area of the enclosure.

US Pat. No. 10,481,253

LOW-PROFILE MONOPULSE TRACKER

L-3 Communications Corp.,...

1. A monopulse tracker comprising:a housing having a first surface containing a monopulse antenna system and multiple additional surfaces angled from the first surface, each additional surface also containing a monopulse antenna system such that the monopulse tracker includes at least three monopulse antenna systems;
one or more comparators configured to generate a set of channels including a sum channel, an elevation difference channel, and an azimuth difference channel for each of the at least three monopulse antenna system such that at least three sets of channels are generated;
one or more monopulse detector assemblies configured to generate a set of ratios including an elevation ratio and an azimuth ratio for each of the at least three monopulse antenna systems by processing the sum channel, the elevation difference channel, and the azimuth difference channel for the respective monopulse antenna system such that at least three sets of ratios are generated; and
a position estimator configured to receive the at least three sets of ratios and to generate an estimated position of an object based on the elevation and azimuth ratios in each of the three sets of ratios.

US Pat. No. 10,481,251

RADAR DEVICE AND TARGET DETECTING METHOD

FUJITSU TEN LIMITED, Kob...

1. A radar device configured to calculate an angle of a target based on a phase difference between reception signals obtained by receiving reflected waves from the target with a plurality of receiving antennae, the radar device comprising:a transmitting unit configured to alternately transmit a first transmission wave and a second transmission wave having different beam patterns;
a calculating unit configured to calculate reception levels of the respective reception signals of the reflected waves by the first transmission wave and the second transmission wave, and an estimate angle at which the target is estimated to exist, on the basis of the reception signals;
a first determining unit configured to determine a degree of reliability of a level difference between the reception levels calculated by the calculating unit, on the basis of a comparison between the level difference with a reference value of the level difference which is associated with the estimate angle in advance; and
a second determining unit configured to determine whether the target exists at the estimate angle, on the basis of a determination result of the first determining unit and the reception level based on the first transmission wave, wherein
in a case where the first determining unit determines that the degree of reliability is high, the second determining unit sets a predetermined first threshold as a determination threshold, whereas in a case where the first determining unit determines that the degree of reliability is low, the second determining unit sets a predetermined second threshold which is greater than the predetermined first threshold as the determination threshold, and
in a case where the reception level based on the first transmission wave exceeds the determination threshold, the second determining unit determines that the target corresponding to the estimate angle is not a wrapped ghost caused by phase wrapping, whereas in a case where the reception level based on the first transmission wave is equal to or lower than the determination threshold, the second determining unit determines that the target corresponding to the estimate angle is the wrapped ghost.

US Pat. No. 10,481,248

DETECTION APPARATUS, UNDERWATER DETECTION APPARATUS AND RADAR APPARATUS

FURUNO ELECTRIC CO., LTD....

1. A Continuous Transmission Frequency Modulated (CTFM) detection apparatus, comprising:a projector configured to transmit a frequency modulated transmission wave at a given transmission period;
a sensor configured to receive a reflected wave, the reflected wave comprising a reflection of the transmission wave on a target object; and
a hardware processor programmed to at least:
generate a beat signal based at least in part on the transmission wave and the reflected wave,
extract a plurality of extracted beat signals from the beat signal, each extracted beat signal from the plurality of extracted beat signals being extracted by applying a different gate interval of a plurality of gate intervals to the beat signal, wherein the gate interval for at least some of the extracted beat signals are set at different timings,
extract a processing signal from the beat signal, wherein the processing signal is selected from the plurality of extracted beat signals, and
generate information related to the target object based on the processing signal.

US Pat. No. 10,481,247

METHOD, AN APPARATUS AND A COMPUTER PROGRAM PRODUCT FOR POSITIONING

HERE Global B.V., Eindho...

21. A computer program product embodied on a non-transitory computer readable medium, comprising computer program code configured to, when executed on at least one processor, cause an apparatus or a system to:obtain information of signal strength of one or more wireless signals by a device;
obtain information of signal strength distribution of wireless signals; and
use the information of signal strength and the information of signal strength distribution to determine at least one likelihood for the device being inside an area by:
comparing the obtained signal strength with signal strength measurements of the radio map;
using location information associated with the signal strength measurement of the radio map which is closest to the obtained signal strength as an assumed location of the device; and
determining a likelihood that the assumed location corresponds with the actual location of the device.

US Pat. No. 10,481,240

SYSTEMS AND METHODS TO DETERMINE A LOCATION OF A MOBILE DEVICE

OneMarket Network LLC, S...

1. A server system comprising:at least one memory;
at least one microprocessor,
wherein the at least one memory and at least one processor are configured to perform the following operations:
obtaining a map of radio frequency signal characteristics in a region identified in the map;
receiving, from a transceiver of a mobile device during a period of time, radio frequency signals in the region emitted from a plurality of beacons located in a multi-floor transport corridor within the region;
determining characteristics of the radio frequency signals, the characteristics comprising signal strength levels of the radio frequency signals;
matching the characteristics of the radio frequency signals with the frequency signal characteristics of the map;
determining a plurality of successive locations based on the matching;
identifying a pattern of the plurality of successive locations during the period of time;
in response to the pattern being identified in the plurality of successive locations, assigning a confidence level of the plurality of successive locations as locations of the mobile device;
computing a weighted average of a first location of the mobile device from the map and a second location of the mobile device from inertial sensor measurements from the mobile device, the weighting based on the confidence level of the plurality of successive locations;
determining, based on the weighted average, a current location of the mobile device;
determining a movement speed of the mobile device based on the signal strength levels of the radio frequency signals; and
modifying the current location of the mobile device based on the movement speed of the mobile device and an expected traffic flow along the multi-floor transport corridor.

US Pat. No. 10,481,237

METHOD AND APPARATUS FOR USING GESTURES TO CONTROL A MEASUREMENT DEVICE

FARO TECHNOLOGIES, INC., ...

1. A method for controlling a measurement device, the method comprising:providing a relationship between a command and a gesture, the gesture corresponding to a skeletal model of a body position of a user;
measuring a three-dimensional coordinate of a point on a surface based on a first light projected from a first light source of the measurement device;
projecting a second light from a second light source on the user;
acquiring, with a camera, the body position of the user performing the gesture;
generating, at a processor, the skeletal model of the body position of the user;
identifying, at the processor, the gesture performed by the user from the skeletal model of the body position;
determining, at a processor, the command based on the gesture and the relationship between the command and the gesture; and
executing, by the processor, the command at the measurement device.

US Pat. No. 10,481,224

RF SURFACE COIL UNIT AND MAGNETIC RESONANCE IMAGING SYSTEM COMPRISING SAME

Samsung Electronics Co., ...

1. A magnetic resonance imaging (MRI) system, the system comprising:a plurality of radio frequency (RF) coils arranged on a cylindrical base, where at least one pair of the plurality of RF coils are respective facing RF coils; and
a conductive layer configured to respectively electrically connect the respective facing RF coils to each other across a first end of the base opposing a second open end of the base,
wherein the conductive layer forms a loop coil on the first end of the cylindrical base and is configured to apply a uniform magnetic field to an object penetrating the second end.

US Pat. No. 10,481,216

DEVICE FOR FIELD VERIFICATION OF MULTI-DEVICE POWER OVER ETHERNET

FLUKE CORPORATION, Evere...

1. A power testing device that tests power providing capabilities of a device under test, the power testing device comprising:a communication port including a plurality of pins, the communication port, in operation, receiving signals from the device under test via a cable that includes a plurality of wires electrically coupled to the pins of the communication port;
first test circuitry electrically coupled to a first set of pairs of the pins of the communication port;
second test circuitry electrically coupled to a second set of pairs of the pins of the communication port;
a switch electrically coupled to at least one of the first test circuitry and the second test circuitry,
wherein, while the switch is in a first state, the first test circuitry and the second test circuitry are electrically isolated from each other, and
wherein, while the switch is in a second state, the first test circuitry and the second test circuitry are not electrically isolated from each other;
a processor coupled to the first test circuitry, the second test circuitry, and the switch; and
a memory coupled to the processor, the memory storing processor-readable instructions that, when executed by the processor, cause the processor to:
control operation of the first test circuitry;
control operation of the second test circuitry; and
control the switch to be in one of the first state or the second state.

US Pat. No. 10,481,214

BATTERY TEMPERATURE DETECTION

Infineon Technologies AG,...

1. A method comprising:driving an alternating input current with a first frequency into a battery, the first frequency having a first predetermined value, and detecting a first imaginary part of an impedance of the battery at the first frequency;
driving the alternating input current with a second frequency into the battery, the second frequency having a second predetermined value different from the first predetermined value of the first frequency, and detecting a second imaginary part of the impedance of the battery at the second frequency; and
calculating, by a control and calculation circuit, an intercept frequency at which a third imaginary part of the impedance of the battery at the intercept frequency equals a predefined value at least based on the first imaginary part of the impedance of the battery at the first frequency and the second imaginary part of the impedance of the battery at the second frequency.

US Pat. No. 10,481,212

SECONDARY BATTERY STATUS ESTIMATION DEVICE AND STATUS ESTIMATION METHOD

Panasonic Intellectual Pr...

1. A secondary battery status estimation device comprising:a sensor unit configured to detect a terminal voltage and a charge-discharge current of a secondary battery; and
an internal resistance calculator configured to calculate a direct current internal resistance of the secondary battery based on the terminal voltage and the charge-discharge current detected by the sensor unit,
wherein:
the internal resistance calculator calculates the direct current internal resistance based on the terminal voltage and the charge-discharge current that have been detected by the sensor unit, in a stable period and in a high-current output period,
the stable period is before starting a driving source for driving a vehicle and the terminal voltage and the charge-discharge current of the secondary battery fall within a predetermined fluctuation range in the stable period,
when starting the driving source, electric power for starting the driving source is output from the secondary battery and the terminal voltage of the secondary battery is brought to substantially minimum in the high-current output period,
the secondary battery supplies electric power for switching a relay between open and close, the relay capable of supplying electric power to a starter motor of the vehicle, and
the stable period is a latter half period of a period in which a current for switching the relay is output from the secondary battery so as to allow the electric power to be supplied to the starter motor.

US Pat. No. 10,481,211

STATE-OF-CHARGE INDICATOR

LAT ENTERPRISES, INC., R...

1. An indicator device for monitoring a state of charge of one or more batteries or battery packs, the device comprising:at least one voltage input connector configured to be electrically coupled to at least one mating voltage output connector of a battery or battery pack, wherein the at least one voltage input connector comprises a slip-on, non-locking male circular connector including a circular cross-section, wherein the at least one mating voltage output connector comprises a slip-on, non-locking female circular connector including a circular cross-section, and wherein the at least one voltage input connector is configured to press fit onto the at least one mating voltage output connector of the battery or battery pack such that the circular cross-section of the non-locking circular male connector fits within the circular cross-section of the non-locking female circular connector;
control electronics capable of measuring a voltage received from the at least one voltage input connector when the at least one voltage input connector is electrically coupled to the at least one mating voltage output connector of the battery or battery pack to be monitored, and wherein the control electronics are configured to process an input voltage range and/or a battery discharge characteristic to determine a state of charge, wherein the control electronics include a voltage sensing circuit, an analog-to-digital converter (ADC), a processor, and a driver to drive the at least one indicator;
a housing adapted to house the at least one voltage input connector, the control electronics, and the at least one indicator; and
at least one indicator which indicates the state of charge;
wherein the at least one voltage input connector, the control electronics, and the at least one indicator are in electronic communication;
wherein the state of charge indicated by the at least one indicator is related to the voltage measured by the control electronics; and
wherein the housing comprises a base plate and a plastic cover comprising a clouded plastic and including at least one viewing window comprised of a clear plastic, wherein the state of charge is operable to be viewed through one or more of the at least one viewing window.

US Pat. No. 10,481,199

DATA ANALYTICS AND COMPUTATIONAL ANALYTICS FOR SEMICONDUCTOR PROCESS CONTROL

APPLIED MATERIALS, INC., ...

1. A method for detecting excursions comprising deviations from expected geometric features in an integrated circuit substrate, comprising:determining a set of contours suspected of having at least one excursion in a design window of the integrated circuit substrate based on a geometric distribution of proximities of a plurality of points of interest in the design window to a plurality of expected geometric features, wherein determining the geometric distribution comprises determining a design proximity index for each of the plurality of points of interest in the design window, wherein the design proximity index is a measure of how close a point of interest of the plurality of points of interest is to an adjacent expected geometric feature of the plurality of expected geometric features;
obtaining a set of imaged contours from one or more images of a defect-free integrated circuit substrate;
comparing the set of imaged contours to the set of suspected contours to obtain a set of potential excursions from the imaged contours;
determining a probability that a potential excursion from the set of potential excursions is a confirmed excursion, wherein the confirmed excursion is operable to cause a yield impacting defect within at least one of the expected geometric features of the design window of the substrate; and
taking a corrective action to eliminate a re-occurrence of the confirmed excursion based on the determined probability.

US Pat. No. 10,481,196

IMAGE SENSOR WITH TEST REGION

SK hynix Inc., Gyeonggi-...

1. An image sensor, comprising:a pixel array; and
a test region adjacent to the pixel array, wherein each of the pixel array and the test region comprises a plurality of pixels, and
each of the pixels in the test region comprises:
a substrate including a photoelectric conversion element; and
a transparent layer formed over the substrate and having an inclined planar surface.

US Pat. No. 10,481,185

SEMICONDUCTOR DEVICE, SEMICONDUCTOR SYSTEM, AND CONTROL METHOD OF SEMICONDUCTOR DEVICE TO MONITOR A POWER SUPPLY VOLTAGE

RENESAS ELECTRONICS CORPO...

1. A semiconductor device comprising:a voltage monitor that is driven by a second power supply voltage different from a first power supply voltage supplied to a circuit to be monitored and monitors the first power supply voltage; and
a delay monitor that is driven by the first power supply voltage and monitors the signal propagation period of time of a critical path in the circuit to be monitored.

US Pat. No. 10,481,184

INPUT-VOLTAGE-ABNORMALITY DETECTION METHOD AND POWER SOURCE DEVICE

Sumitomo Electric Industr...

1. A power supply device comprising:a single-phase AC path from an input end to an output end in the power supply device;
a first voltage sensor configured to detect an input voltage at the input end;
a second voltage sensor configured to detect an output voltage at the output end;
a conversion unit connected to the AC path and being capable of bidirectional power conversion;
a storage battery connected to the AC path via the conversion unit;
an AC switch provided between the input end and a point at which the conversion unit is connected to the AC path; and
a control unit configured to control the conversion unit and the AC switch, thereby having a current conduction mode in which a power is supplied from the input end through the AC switch which is closed and the AC path, to reach the output end and thus supplied to a load connected to the output end, and a storage battery discharge mode in which the AC switch is opened and a power is supplied from the storage battery to the load via the conversion unit, wherein
the control unit has a function of a phase locked loop, and sequentially generates a simulated voltage waveform with a phase synchronized with the input voltage, by using the phase locked loop, and
within a period until a next update of the generated simulated voltage waveform, compares an instantaneous value of the input voltage with the simulated voltage waveform, and when the instantaneous value of the input voltage changes from a state of being along the simulated voltage waveform to a state of not being along the simulated voltage waveform, determines that the input voltage is abnormal, and shifts from the current conduction mode to the storage battery discharge mode.

US Pat. No. 10,481,180

METHOD FOR SENSING POWER CONSUMPTION AND SENSING DEVICE

INDUSTRIAL TECHNOLOGY RES...

1. A method for sensing power consumption, comprising:sensing, by a sensing device, a change in a waveform of a current or a voltage on a wire;
performing integration operation and digital processing on the waveform of the current or the voltage;
calculating a root mean square of a value of the current or the voltage, wherein the value of the current or the voltage is a relative value, wherein the relative value is a simple number and free from being a measured value of a physical electricity meter; and
calculating a power factor after calculating the root mean square of the value of the current or the voltage, wherein calculating the power factor includes detecting zero crossings of the current and the voltage to measure a time difference between the zero crossings, and correcting a non-linear load error based on distortion in the waveform of the current to obtain the power factor.

US Pat. No. 10,481,173

WIRELESS SMART DEVICES HAVING INTEGRATED FORCE, POSITION, ACCELERATION, AND ROTATIONAL SENSING FOR SCIENCE EDUCATION

PASCO SCIENTIFIC, Rosevi...

1. An integrated wireless device for collecting data that measures dynamic properties of the integrated wireless device during a science experiment comprising: an accelerometer to generate acceleration data based on detecting a current rate of acceleration of the integrated wireless device over a period of time; a shaft encoder to detect angular positional changes of a shaft or axle of the integrated wireless device over the period of time; and at least one processing device communicatively coupled to the accelerometer and the shaft encoder, the at least one processing device is configured to decode angular position data of the encoder into positional data over the period of time and to time synchronize the acceleration data received from the accelerometer with the positional data decoded by the at least one processing device for the science experiment over the period of time.

US Pat. No. 10,481,163

MASS SPECTROMETRY METHOD USING MIXED MATRIX

SHIMADZU CORPORATION, Ky...

1. A MALDI mass spectrometry method for analyzing a sample using as a mixed matrix,2,4,6-trihydroxyalkylphenone represented by the following general formula (I):
wherein R represents an alkyl group having 3 to 12 carbon atoms, anda matrix (II) for mass spectrometry that is more hydrophilic than 2,4,6-trihydroxyalkylphenone represented by the formula (I) wherein R is an alkyl group having 3 carbon atoms.

US Pat. No. 10,481,161

REAGENTS FOR DIRECTED BIOMARKER SIGNAL AMPLIFICATION

SIRIGEN II LIMITED, Oxfo...

1. A water-soluble conjugated polymer having the structure of the formula:wherein:Ar is an aryl or heteroaryl unit substituted with a non-ionic side group capable of imparting solubility in water;
MU is a polymer modifying unit or band gap modifying unit that is evenly or randomly distributed along the polymer main chain and is optionally substituted with one or more optionally substituted substituents selected from halogen, hydroxyl, C1-C12 alkyl, C2-C12 alkene, C2-C12 alkyne, C3-C12 cycloalkyl, C1-C12 haloalkyl, C1-C12 alkoxy, C2-C18 (hetero)aryloxy, C2-C18 (hetero)arylamino, a C2-C18 (hetero)aryl group and (CH2)x?(OCH2CH2)y?OCH3 where x? is independently an integer from 0-20 and y? is independently an integer from 0 to 50;
optional linkers L1 and L2 are each independently an aryl or a heteroaryl group evenly or randomly distributed along the polymer main chain and are substituted with one or more pendant chains terminated with: i) a functional group selected from amine, carbamate, carboxylic acid, carboxylate, maleimide, activated ester, N-hydroxysuccinimidyl, hydrazine, hydrazide, hydrazone, azide, alkyne, aldehyde, thiol, and protected groups thereof for conjugation to a molecule or biomolecule; or ii) a conjugated organic dye or biomolecule;
G1 and G2 are each independently selected from hydrogen, halogen, alkyne, optionally substituted aryl, optionally substituted heteroaryl, halogen substituted aryl, boronic acid substituted aryl, boronic ester substituted aryl, boronic ester, boronic acid, optionally substituted fluorene and aryl or heteroaryl substituted with one or more pendant chains terminated with: i) a functional group selected from amine, carbamate, carboxylic acid, carboxylate, maleimide, activated esters, N-hydroxysuccinimidyl, hydrazine, hydrazide, hydrazone, azide, alkyne, aldehyde, thiol, and protected groups thereof for conjugation to a molecule or biomolecule; or ii) a conjugated organic dye or biomolecule;
wherein:
n is the number of repeat units and is an integer selected so that the water-soluble conjugated polymer has a molecular weight ranging from 10,000 g/mol to 100,000 g/mol;
the polymer comprises at least 1 functional group selected from amine, carbamate, carboxylic acid, carboxylate, maleimide, activated ester, N-hydroxysuccinimidyl, hydrazines, hydrazide, hydrazone, azide, alkyne, aldehyde, and thiol within G1, G2, L1 or L2, or a conjugated organic dye or biomolecule; and
a, b, c and d define the mol % of each unit within the structure which each can be evenly or randomly repeated and where a is a mol % from 10 to 100%, b is a mol % from 0 to 90%, and each c and d are mol % from 0 to 25%.

US Pat. No. 10,481,155

PROTEOMIC ASSAY USING QUANTUM SENSORS

SomaLogic, Inc., Boulder...

1. A device for detecting label-free target analytes, comprising:a surface configured to contact a fluid;
at least two capture reagents attached to the surface, each capture reagent configured to bind to a different label-free target analyte;
a plurality of color centers located proximate the surface; and
at least one detector configured to detect a change in a property of at least one of the color centers in response to binding one of the different label-free target analytes to a corresponding one of the capture reagents.

US Pat. No. 10,481,146

GAS SENSOR AND INFORMATION PROCESSING SYSTEM

FUJITSU LIMITED, Kawasak...

5. An information processing system, comprising:a gas sensor including a p-type semiconductor layer whose first surface as a top surface or as at least a portion of a top surface is covered with tertiary amine such that aldehyde is detected selectively and two electrodes electrically coupled with each other through the p-type semiconductor layer, the two electrodes being in contact with a second surface as opposing bottom surfaces or as portions of opposite sides of the portion of the top surface other than the first surface of the p-type semiconductor layer, wherein the surface of the tertiary amine is exposed such that the detection target gas contacts at least with the surface of the tertiary amine over a region between the two electrodes, and the p-type semiconductor layer contains any one material selected from the group consisting of cuprous bromide, cuprous oxide, cuprous sulfide, silver oxide, silver bromide and silver sulfide; and
a computer configured to process data obtained by the gas sensor.

US Pat. No. 10,481,145

DEVICES AND METHODS FOR MEASURING BLOOD COAGULATION

University of South Flori...

1. A whole blood coagulation measurement device, comprising:a single substrate made from a single piece of a silicon material and having a top surface;
an optical waveguide made of a silicon material that extends across the top surface of the substrate, the optical waveguide having an end that forms a waveguide tip, the optical waveguide comprising a primary branch and secondary branch that is coupled to the primary branch;
spacer members provided on the top surface of the substrate along opposed lateral sides of the waveguide that are sized and configured to shield the waveguide tip from red blood cells contained in whole blood deposited on the measurement device while enabling plasma contained in the whole blood to reach the waveguide tip, wherein a top surface of the waveguide is exposed between the spacer elements so as to provide space for the plasma to reach the waveguide tip;
a light source provided on the top surface of the substrate that is coupled to the primary branch; and
a light detector provided on the top surface of the substrate that is couple to the secondary branch.

US Pat. No. 10,481,143

CHEMO-THERMO-PIEZORESISTIVE HIGHLY SENSING SMART CEMENT WITH INTEGRATED REAL-TIME MONITORING SYSTEM

UNIVERSITY OF HOUSTON SYS...

1. A system for monitoring performance-related properties of cement, comprising:a cement structure comprised of chemo-thermo-piezoresistive smart cement, wherein the chemo-thermo-piezoresistive smart cement comprises from about 0.03% to about 0.1% modified conductive or semi-conductive filler by weight of the chemo-thermo-piezoresistive smart cement, and wherein the modified conductive or semi-conductive filler comprises dispersed carbon fibers, dispersed basaltic fibers, or mixtures thereof; and
an integrated real-time monitoring system for monitoring changes in electrical resistivity of the chemo-thermo-piezoresistive smart cement, wherein the changes in the electrical resistivity of the chemo-thermo-piezoresistive smart cement correlate with performance-related properties of the chemo-thermo-piezoresistive smart cement, wherein the integrated real-time monitoring system collects AC resistance measurements at selected frequencies, wherein the integrated real-time monitoring system uses the AC resistance measurements to calculate the changes in the electrical resistivity and changes in electrical impedance of the chemo-thermo-piezoresistive smart cement using an equivalent circuit to represent electrical properties of the chemo-thermo-piezoresistive smart cement, wherein the chemo-thermo-piezoresistive smart cement is represented in the equivalent circuit as a bulk material with contacts as follows:

wherein Z2 is total electrical impedance for the equivalent circuit, Rb is resistance of the bulk material, Rc is resistance of the contacts, Cc is capacitance of the contacts, and ? is a selected frequency, and wherein the equivalent circuit assumes a negligible capacitance for the bulk material.

US Pat. No. 10,481,132

SYSTEM AND METHOD FOR INSPECTING FLANGE CONNECTIONS

General Electric Company,...

1. A probe assembly configured to inspect components of an assembled flange connection when the probe assembly is disposed within a bore of the components, the probe assembly comprising:a shaft configured to be aligned with an axis of the assembled flange connection;
a phased array of one or more ultrasound probes coupled to the shaft, wherein each of the one or more ultrasound probes are configured to interface with an interior surface of the bore of the components, to emit ultrasound signals into the components, and to receive ultrasound signals from the components;
one or more encoders coupled to the shaft and configured to determine a position of the phased array of one or more ultrasound probes relative to a reference point of the assembled flange connection during an inspection of the components of the assembled flange connection; and
a first control coupled to the shaft, wherein the first control is configured to control movement of the phased array of one or more ultrasound probes in an axial direction along the axis of the assembled flange connection.

US Pat. No. 10,481,126

ELECTROLYTE-GATED TRANSISTORS FOR DETECTION OF MOLECULES

Regents of the University...

24. A method for detecting a molecule comprising a target chemical composition, the method comprising:applying a voltage to a primary gate electrode of a device, the device comprising:
a source electrode and a drain electrode, the source electrode and the drain electrode being coupled to a semiconductor;
an ionic conducting electronic insulator coupled to the semiconductor;
a floating gate electrode comprising a first portion and a second portion, the first portion being coupled to the semiconductor via the ionic conducting electronic insulator; and
an aqueous buffer, wherein the primary gate electrode is coupled to the second portion of the floating gate electrode via the aqueous buffer;
measuring an electrical property at the drain electrode;
determining, based on the measured electrical property, whether the target chemical composition of the molecule is present within the aqueous buffer; and
outputting an indication of the determination.

US Pat. No. 10,481,124

CHEMICAL DEVICE WITH THIN CONDUCTIVE ELEMENT

LIFE TECHNOLOGIES CORPORA...

1. A chemical device, comprising:a chemically-sensitive field effect transistor including a floating gate structure comprising a plurality of floating gate conductors electrically coupled to one another;
a conductive element overlying and in communication with an uppermost floating gate conductor in the plurality of floating gate conductors, the conductive element wider and thinner than the uppermost floating gate conductor, the conductive element comprising titanium nitride; and
a dielectric material defining an opening extending to an upper surface of the conductive element.

US Pat. No. 10,481,121

MEMS SENSOR

Cirrus Logic, Inc., Aust...

1. An amplifier apparatus for amplifying an input signal from a MEMS capacitive sensor comprising:a sense node for receiving the input signal;
an antiphase signal generator for generating a second signal which is in antiphase with the input signal; and
an amplifier arrangement configured to receive the input signal at a first input and the second signal at a second input and to output corresponding first and second output signals,
wherein the antiphase signal generator generates the second signal based on a common-mode voltage of the first and second output signals.

US Pat. No. 10,481,117

AMPEROMETRIC SENSOR SYSTEM

Halogen Systems, Inc., I...

1. A method of operating an amperometric sensor having a plurality of electrodes, each electrode having a surface exposable to water having at least one parameter to be measured by the plurality of electrodes, the method comprising:positioning a sensor housing through an opening into a source of the water having the at least one parameter to be measured to immerse an outer surface of the sensor housing in the water, the sensor housing enclosing a cavity, the sensor housing having at least one inlet opening that extends only from the outer surface of the sensor housing to the cavity to allow water to flow into the cavity from the water source, the sensor housing having at least one outlet opening that extends only from the cavity to the outer surface of the sensor housing to allow water to flow out of the cavity to the water source, the surfaces of the plurality of electrodes positioned within the cavity and exposed to water flowing into the cavity from the at least one inlet opening;
operating a flow generator positioned within the cavity to draw water into the cavity via the at least one inlet opening and to force water out of the cavity via the at least one outlet opening to thereby cause the water having the at least one parameter to be measured to flow into, through, and out of the cavity and to cause the water to flow across the surfaces of the plurality of electrodes at a substantially constant velocity, the flow generator drawing water into the cavity in a first flow direction, the flow generator redirecting the water to flow in a second flow direction perpendicular to the first flow direction; and
measuring the at least one parameter of the water while the water is flowing across the surfaces of the plurality of electrodes.

US Pat. No. 10,481,115

CALORIMETER WITH DIFFUSION-BONDED BLOCK

WATERS TECHNOLOGIES CORPO...

1. A calorimeter comprising:a sample cell thermally coupled to a sample temperature sensor;
a reference cell thermally coupled to a reference temperature sensor;
a common heat sink thermally coupled to the sample cell and to the reference cell;
wherein the common heat sink comprises a diffusion-bonded block, and
wherein the diffusion-bonded block comprises a first metallic layer having a first thermal conductivity, a second metallic layer having a second thermal conductivity and a third metallic layer having a third thermal conductivity, wherein the second metallic layer is between the first metallic layer and the third metallic layer, and wherein the second thermal conductivity is different than the first thermal conductivity and the third thermal conductivity.

US Pat. No. 10,481,114

PROBE AND SAMPLE HOLDER FOR MAGNETIC RESONANCE AND MAGNETIC RESONANCE IMAGING

University of New Brunswi...

1. A core holder for containing a reservoir rock core sample for MR or MRI measurement comprising:a casing having sufficient tensile strength to withstand being pressurized to an underground formation pressure, comprising
a cylindrical wall and end closures for closing the ends of the casing wherein
at least one of the end closures is removable to provide access to the inside of the casing, the wall and end closures defining a chamber internal to the core holder,
an inlet and an outlet in the core holder for circulating a confining fluid in the chamber,
a sample housing in the chamber for containing the core sample, the sample housing comprising
an inlet and an outlet in the sample holder for circulating fluid to and from the sample, and
a membrane for isolating the sample from fluid contact with the confining fluid but permitting fluid pressure to be exerted on the sample when the confining fluid is pressurized,
the space in the chamber not occupied by the sample housing defining a void space,
a radio frequency probe, connectable to an NMR or MRI apparatus, in the void space and at least partially surrounding the sample housing, whereby confining fluid introduced into the chamber circulates in the void space around the RF probe.

US Pat. No. 10,481,111

CALIBRATION OF A SMALL ANGLE X-RAY SCATTEROMETRY BASED METROLOGY SYSTEM

KLA-Tencor Corporation, ...

1. A metrology system comprising:an x-ray illumination source configured to generate an x-ray illumination beam;
a specimen stage moveable in a first direction orthogonal to an axis of the x-ray illumination beam and a second direction orthogonal to the axis of the x-ray illumination beam;
a specimen moveably attached to the specimen stage;
a first occlusion element disposed on the specimen stage adjacent to a specimen, the first occlusion element having a central axis co-planar with the surface of the specimen, wherein the specimen stage in a first position locates the first occlusion element in a path of the x-ray illumination beam such that a portion of the x-ray illumination beam is occluded by the first occlusion element;
a second occlusion element disposed on the specimen stage adjacent to the specimen, the second occlusion element having a central axis co-planar with the surface of the specimen and aligned in a direction different from the central axis of the first occlusion element, wherein the specimen stage in a second position locates the second occlusion element in the path of the x-ray illumination beam such that a portion of the x-ray illumination beam is occluded by the second occlusion element;
an x-ray detector configured to detect a first amount of transmitted flux at the first position and a second amount of flux at the second position; and
a computing system configured to determine a first position of the first occlusion element with respect to the x-ray illumination beam in the first direction based on the first amount of transmitted flux and determine a second position of the the second occlusion element with respect to the x-ray illumination beam in the second direction based on the second amount of transmitted flux.

US Pat. No. 10,481,110

RADIOGRAPHIC IMAGE GENERATING DEVICE

Tohoku University, Senda...

1. A radiographic image generating device, for generating an radiographic image for a sample, using an intensity distribution image for radiation that has passed through the sample and a grating group that have been arranged on a path from a source section to a detection section, comprising:a pixel value computation section; and
an image computation section,
wherein the pixel value computation section determines, using a plurality of intensity distribution images for the sample that is moved in a direction that traverses the path, whether or not point (p, q) on the sample falls in a region (Ak) on each intensity distribution image, and obtains a sum pixel value (Jk) for each region (Ak) by summing up pixel values, on each intensity distribution image, of the point (p, q) that falls in each region (Ak), and
wherein the image computation section creates a necessary radiographic image using the sum pixel values (Jk) of the regions (Ak).

US Pat. No. 10,481,108

SYSTEM FOR DEFECT INDICATION DETECTION

General Electric Company,...

1. A system for notifying a user of a potential defect in a composite part, comprising:one or more processors;
memory operably coupled to the one or more processors, the memory containing instructions that, in response to execution of the instructions by the one or more processors, cause the one or more processors to:
import data from a VCT acquisition apparatus over one or more computer networks, the data representing a plurality of associated parts;
segment a subset of data from the imported data, the subset representing an individual part of the plurality of associated parts;
perform assisted defect recognition to identify and classify indications of potential defects in the subset of data; and
report the indications of identified and classified potential defects to an operator.

US Pat. No. 10,481,102

MULTI-AXIS POSITIONING DEVICE

NEWPORT CORPORATION, Irv...

1. A multi-axis positioning system, comprising:a translation stage configured to provide displacement in two dimensions between a base and an upper stage of the translation stage;
a bottom plate rotatably coupled to the translation stage such that an axis of rotation of the bottom plate in a ? rotation direction is perpendicular to a plane defined by the two dimensions of displacement of the translation stage;
at least one bottom plate motor operatively coupled between the bottom plate and the translation stage, the at least one bottom plate motor being configured to rotate the bottom plate assembly in the ? rotation direction relative to the translation stage;
a top plate operatively coupled to the bottom plate with at least three Z axis motors disposed and operatively coupled between corresponding outer portions of the bottom plate and respective outer portions of the top plate and which are configured to generate displacement between the respective outer portions of the bottom plate and top plate in a Z axis direction substantially parallel to the axis of rotation of the bottom plate;
a chuck configured to releasably secure a specimen secured to the top plate;
at least three Z axis position sensors which are disposed and operatively coupled between the upper stage of the translation stage and the top plate and which are configured to measure relative displacement in the Z axis direction between the upper stage and the top plate;
at least three ? position sensors which are operatively coupled between the upper stage of the translation stage and the top plate and which are configured to measure relative angular displacement in the ? rotation direction between the upper stage and the top plate; and
a controller which is operatively coupled to the Z axis motors, the at least one bottom plate motor, the Z axis position sensors and the ? position sensors and which is configured to control actuation of the Z axis motors and at least one bottom plate motor.

US Pat. No. 10,481,097

METHOD AND SYSTEM FOR DETECTING INCLUSIONS IN FLOAT GLASS BASED ON SPECTRAL REFLECTANCE ANALYSIS

GUARDIAN GLASS, LLC, Aub...

the method comprising:directing energy from at least one source toward the glass; and
determining whether an inclusion is present in the glass based on at least an analysis of reflectance values from the glass at different wavelengths.

US Pat. No. 10,481,096

METHOD OF DETECTING SINGLE MOLECULES

Tsinghua University, Bei...

1. A method of detecting single molecules, the method comprising:providing a carrier, wherein the carrier comprises a substrate, and a plurality of three-dimensional nanostructures are located on the substrate;
disposing single molecule samples on the plurality of three-dimensional nanostructures; and
detecting the single molecule samples with a detector;
wherein each three-dimensional nanostructure comprises a first rectangular structure, a second rectangular structure, and a triangular prism structure; the first rectangular structure is located on the substrate, the second rectangular structure is located on the first rectangular structure, the triangular prism structure is located on the second rectangular structure, a first width of a bottom surface of the triangular prism structure is equal to a second width of a first top surface of the second rectangular structure and greater than a third width of a second top surface of the first rectangular structure, and the first rectangular structure comprises a first metal and the triangular prism structure comprises a second metal.

US Pat. No. 10,481,093

BEAM SPLITTER AND ARRANGEMENT FOR EXAMINING A SAMPLE WHICH CAN BE EXCITED BY MEANS OF ELECTROMAGNETIC RADIATION

EYESENSE GMBH, Grossosth...

1. An arrangement for examining a sample which can be excited by means of electromagnetic radiation, comprising:a first dichroic beam splitter comprising a first prism and a second prism connected to one another on base surfaces thereof, and a dichroic layer arranged between the base surfaces of the first and second prisms, wherein an entry surface of the first prism and the dichroic layer form an angle (?) in the range from 10° to <40°;
a light source for providing electromagnetic radiation suitable for excitation of the sample, wherein the electromagnetic radiation is coupled into the entry surface of the first prism and wherein at least a part of the electromagnetic radiation from the light source is reflected on the dichroic layer in the direction of the sample, which is positioned downstream of an exit surface of the first prism; and
a detector for detecting electromagnetic radiation emitted by the sample upon impinging of the at least part of the electromagnetic radiation, the emitted electromagnetic radiation passing through the first dichroic beam splitter without being reflected and onto a measurement surface of the second prism.

US Pat. No. 10,481,091

METHOD AND APPARATUS FOR DETECTING HOLES IN SUBSTRATES IN ABSORBENT ARTICLE CONVERTING LINES

1. A method for assembling absorbent articles, the method comprising the steps of:advancing a substrate in a machine direction, the substrate comprising a nonwoven and having a first surface and an opposing second surface, and defining a width in a cross direction;
polarizing light by passing light from a light source through a first polarization filter, wherein the first polarization filter comprises a first polarization axis;
directing polarized light from the first polarization filter toward the first surface of the substrate, wherein polarized light traveling through substrate material from the first surface to the second surface is scattered, and wherein polarized light traveling through a hole extending completely through the substrate is unscattered;
providing a sensor to detect light traveling from the substrate;
filtering unscattered light traveling from the hole in the substrate to the sensor with a second polarization filter, wherein the second polarization filter comprises a second polarization axis angularly offset from the first polarization axis; and
detecting light passing through the second polarization filter with the sensor;
detecting the hole in the substrate based on an absence of unscattered light traveling from the second polarization filter surrounded by detected scattered light; and
applying fluid adjacent the hole; and
converting the substrate into an absorbent article in an absorbent article converting line.

US Pat. No. 10,481,086

MASS SPECTROMETER AND SPECTROMETRY, WHICH USE NEAR INFRARED FLUORESCENCE

ASTA CO., LTD., Suwon-si...

1. A mass spectrometer using near infrared (NIR) fluorescence for combination of NIR fluorescence imaging and matrix assistant laser desorption/ionization (MALDI) imaging, comprising:a plate on which a sample is loaded, wherein the sample includes a fluorescent material having an excitation wavelength of an NIR wavelength band and a matrix for ionization, the sample comprising human tissue or animal tissue and a thickness of at least 10 ?m;
a fluorescence detection unit comprising a light source that irradiates the sample on the plate with excitation light to excite the fluorescent material included in the sample, the fluorescence detection unit acquiring a fluorescence image from a first surface of the plate responsive to the irradiation of the sample on the plate with the excitation light;
a light emission unit configured to emit a laser beam for ionization at the sample on the plate, the laser beam emitted to a second surface of the plate that is opposite to the first surface of the plate;
a moveable stage on which the plate is mounted, the moveable stage configured to move with respect to the fluorescence detection unit and the laser beam; and
an ion detection unit configured to acquire a mass image of the sample by detecting ions generated from the sample due to the laser beam being emitted to the sample while moving the plate with respect to the laser beam using the moving stage,
wherein the fluorescence detection unit and the ion detection unit are on a same axis but located opposite to each other with the plate between the fluorescence detection unit and the ion detection unit.

US Pat. No. 10,481,084

ADVANCED REFERENCE DETECTOR FOR INFRARED SPECTROSCOPY

Thermo Electron Scientifi...

1. A spectroscopy system, comprising:an interferogram source to provide an IR signal containing an interferogram;
a source path including a focal point along a path axis of a first portion of an optical path extending from said interferogram source;
a Jacquinot stop including an aperture disposed substantially at said focal point, and a reflective surface substantially non-orthogonal to said path axis and facing said interferogram source, wherein said aperture passes an inner portion of said IR signal as an incident portion of said IR signal, and said reflective surface reflects an outer portion of said IR signal as a reflected portion of said IR signal; and
a reference detection device to detect said reflected portion of said IR signal.

US Pat. No. 10,481,082

MEASURING DEVICE

YOKOGAWA ELECTRIC CORPORA...

1. A measuring device comprising:an irradiator that irradiates electromagnetic waves to an inspection object;
a light collector having a reflecting surface that guides, to a light-collecting surface, electromagnetic waves whose incident angle with respect to an incident end facing the inspection object is within a predetermined angle, among the electromagnetic waves that have been transmitted through the inspection object;
a detector comprising a light receiving sensor that detects the electromagnetic waves guided to the light-collecting surface;
a processor that receives signals outputted from the detector and measures a characteristic of the inspection object based on the signals; and
an inner-surface reflecting mirror that is polygonal and disposed between the irradiator and the inspection object,
wherein a radius of an exit end of the light collector is equal to or less than a radius of a surface of the light receiving sensor, and
wherein a length of a diagonal line that connects two opposite corners of the inner-surface reflecting mirror is equal to or smaller than a diameter of the incident end of the light collector.

US Pat. No. 10,481,081

TEXTURE ANALYSIS OF A COATED SURFACE USING PIVOT-NORMALIZATION

PPG Industries Ohio, Inc....

1. A computer implemented method for efficiently analyzing multi-angle reflectance data taken from a multi-angle spectrophotometer and generating a matched coating, comprising:obtaining, using a processor, reflectance data from a target coating, wherein the obtained data comprise color responses taken from multiple angles, and the obtained data comprise two or more associated arrays including a primary array of angle data, and a secondary array of at least wavelength data;
sorting, via the processor, the obtained data by the wavelength data in the secondary array;
calculating, using the processor, pivot-normalized reflectance data according to:

wherein:
X is a specific data set value, ? is a sample or population average of the data set values within the secondary array, and ? is a sample or population standard deviation of the data set values within the sorted secondary array;
generating a normalized, wavelength sorted hemispherical map based upon the angle data associated with the reflectance data; and
based upon the normalized, wavelength sorted hemispherical map, generating, using the processor, a coating formulation that is the same in appearance to the target coating;
wherein generating the coating formulation comprises:
empirically correlating the wavelength-sorted reflectance data for the target coating to reflectance data sorted by wavelength for an empirical dataset; and
predicting at least one texture feature of the target coating based on the correlation in reflectance data among wavelength-sorted data sets.

US Pat. No. 10,481,076

METHOD FOR DETERMINING THE STATE OF A CELL

IPRASENSE SAS, Clapiers ...

1. A method for determining a state of a cell, the cell being placed in a sample, the method comprising:illuminating the sample using a light source, the light source producing an incident light wave propagating towards the sample along a propagation axis;
acquiring, using a matrix-array photodetector, a single image of the sample, the sample being placed between the light source and the matrix-array photodetector such that the matrix-array photodetector is exposed to a light wave comprising interference between the incident light wave and a diffraction wave produced by the cell;
identifying a position of the cell in a plane parallel to a detection plane in which the matrix-array photodetector lies;
applying a digital reconstruction algorithm to the single acquired image, to determine at least one characteristic quantity of the light wave to which the matrix-array photodetector is exposed, at the position of the cell, at a plurality of reconstruction distances from the matrix-array photodetector along the propagation axis, the digital reconstruction algorithm comprising performing a convolution product based on the acquired image and a propagation operator, the propagation operator describing the propagation of the light between the matrix-array photodetector and each reconstruction distance;
obtaining a profile representing a variation of the characteristic quantity as a function of the distance along the propagation axis, the profile being obtained using the single acquired image; and
classifying the cell depending on the profile, the classification allowing the state of the cell to be determined from among preset states.

US Pat. No. 10,481,064

BALLAST WATER MONITORING DEVICE

CHELSEA TECHNOLOGIES GROU...

1. A ballast water monitoring device for detecting live phytoplankton, the device comprising:a chamber for receiving a sample;
at least one light source to emit light towards the sample;
a light detector to receive light from the sample and generate a light signal; and
a controller configured to:
control the at least one light source to emit a single pulse of light with a duration of up to 450 ?s,
calculate the variable fluorescence [Fv] of the sample in response to the pulse of light, at time intervals less than the duration of the pulse of light,
compare the calculated variable fluorescence to a predetermined reference limit, and
perform an action when the calculated variable fluorescence is greater than the predetermined reference limit.

US Pat. No. 10,481,063

DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A display device comprising a detecting drive unit, an air cleanliness detecting unit, an air cleanliness indicating unit and a dust removal unit, wherein,the display device comprises a housing;
the air cleanliness detecting unit is disposed on an edge or a rear face of the housing of the display device and configured to detect air cleanliness under the driven of the detecting drive unit and to transmit a detecting result to the air cleanliness indicating unit; and
the air cleanliness indicating unit is configured to indicate an air cleanliness based on the detecting result of the air cleanliness detecting unit; and
the dust removal unit is disposed on the edge or the rear face of the housing of the display device and configured to clean air around the display device under the control of the detecting result of the air cleanliness detecting unit; and the dust removal unit comprises a dust removal drive module and a dust removal cleaning module, the dust removal drive module configured to be activated or shut-off under the control of the detecting result of the air cleanliness detecting unit, and the dust removal cleaning module configured to clean the air around the display device under the driven of the dust removal drive module.

US Pat. No. 10,481,060

DENSITY SENSOR AND DENSITY SENSOR MANUFACTURING METHOD

WIKA TECH, Le Bourget-du...

1. A density sensor to measure density of a gas having a density ranging from 30 gram per cubic meter to 150 kilogram per cubic meter and a working pressure ranging from 0 to 100 bar comprising:a resonator housing defining a chamber isolated from the gas, the resonator housing comprising an area of reduced thickness defining a membrane separating the chamber from the gas;
an actuating/detecting module positioned within the chamber so as to be isolated from the gas and mechanically coupled to the membrane;
a resonating element arranged to be immersed in the gas, the resonating element being mechanically coupled to the membrane by a pedestal;wherein the membrane, the pedestal and the resonator housing are made of metal;wherein the membrane has a thickness enabling transfer of mechanical vibration between the actuating/detecting module and the resonating element through the pedestal;wherein the resonating element is a resonating disk having a thickness ranging from 25 ?m to 200 ?m and a diameter ranging from 4 mm to 12 mm, the resonating disk extending parallelly to the membrane or being angled relatively to the membrane, and being coupled by its center to the pedestal, the resonating disk being made of a metal chosen among a group comprising stainless steel, nickel-iron alloy and Molybdenum; and wherein the resonating disk comprises two opposing major surfaces, one major surface having a thinned or tapered edge forming a shoulder creating a dissymmetry between the two major surfaces such as to generate an anisotropic resonating disk.

US Pat. No. 10,481,055

SYSTEM AND METHOD FOR REFILLING CRYOGEN IN MICROSCOPE CRYOGEN HOLDERS

Simple Origin, Inc., Pit...

1. A cryogen refilling system for a microscope cryogen holder, comprising:a reservoir assembly for holding cryogen;
a delivery channel in fluid communication with the reservoir assembly for delivering cryogen from the reservoir assembly to a microscope cryogen holder, wherein the delivery channel comprises at least one control valve;
a sensor-lid assembly comprising:
a sensor assembly configured to detect sensor data corresponding to a level of cryogen in the microscope cryogen holder, and
a lid assembly configured to be mounted over an opening of the microscope cryogen holder, the lid assembly further comprising:
a first opening configured to receive the sensor assembly, and
a second opening configured to:
receive a delivery nozzle via a nozzle receiving component that has a reentrant tube design, wherein the delivery nozzle is in fluid communication with the delivery channel; and
a controller, wherein the controller comprises:
a processor in communication with the sensor assembly, and
a computer-readable medium containing programming instructions that are configured to, when executed by the processor, cause the processor to:
receive sensor data from the sensor assembly,
analyze the sensor data to determine whether the microscope cryogen holder requires refilling, and
in response to determining that the microscope cryogen holder requires refilling, cause a valve control mechanism to open the at least one control valve of the delivery channel.

US Pat. No. 10,481,053

METHOD FOR DETECTING DEFECTS OF GLASS SUBSTRATES

Samsung Display Co., Ltd....

1. A method for detecting defects of a glass substrate, the method comprising:cutting a glass mother substrate into a plurality of glass substrates and making incision surfaces to the plurality of glass substrates which are side surfaces of the plurality of glass substrates;
penetrating ions into the incision surfaces of the plurality of glass substrates in perpendicular directions to the incision surfaces to visualize a defect of the incision surfaces; and
photographing the defect of the incision surfaces to determine a bending strength of the glass substrate based on a size of the defect.

US Pat. No. 10,481,051

CORNEAL TISSUE SAMPLE ASSEMBLIES AND RELATED METHODS OF USE

Lions VisionGift, Portla...

1. A method of administering a corneal tissue sample to a subject in need thereof, the method comprising:obtaining a corneal tissue sample assembly, the assembly comprising:
a viewing chamber;
a corneal tissue carrier removably coupled to an inner portion of the viewing chamber; and
a corneal tissue sample disposed within an inner cavity of the corneal tissue carrier; and
administering the corneal tissue sample to the subject.

US Pat. No. 10,481,049

CRYOGENIC LIQUID SAMPLER

Air Liquide Canada, Inc.,...

1. A cryogenic liquid sampler comprising:a sampler vessel comprising an inner volume and a useful internal length,
a cryogenic liquid inlet conduit in fluid connection with an inlet valve,
a weir tube in fluid connection with the inlet valve and the inner volume, wherein the weir tube comprises a distal end within the inner volume, at least one weir hole through a circumferential surface of the weir tube and proximate the distal end, and a weir tube top plug which seals a distal opening of the weir tube, wherein the weir tube extends a predetermined distance into the inner volume,
a cryogenic liquid outlet conduit in fluid connection with the inner volume and in fluid connection with an outlet valve, and
a purge tube in fluid connection with the outlet valve,
wherein the weir tube has an outside diameter of Dwt wherein the at least one weir hole has a generally circular shape and a diameter of Dwh, and wherein Dwh/Dwt is between ¼ and ½.

US Pat. No. 10,481,046

MANAGEMENT SYSTEM, MANAGEMENT DEVICE, SPINDLE FAILURE DETECTION METHOD USING MANAGEMENT DEVICE, AND NON-TRANSITORY COMPUTER READABLE MEDIUM ENCODED WITH COMPUTER PROGRAM

FANUC CORPORATION, Yaman...

1. A management system comprising a network, a plurality of manufacturing cells connected to the network, and a management device that is connected to the network and manages the plurality of manufacturing cells,wherein each of the manufacturing cell includes:
a machine tool of a same type as a machine tool in another of the manufacturing cells; and
a control device that controls the machine tool, analyzes a vibration state of a spindle positioning shaft of the machine tool, and sends an analysis result via the network,
wherein the control device, in a case of the machine tool being in a non-processing state, sends via the network as the analysis result only frequency spectral intensities having an intensity of at least a predetermined value, among frequency spectral intensities obtained by conducting Fourier transformation on a feedback signal of a servomotor for driving the spindle positioning shaft when rotating the spindle of the machine tool at the same revolution speed as a machine tool in another of the manufacturing cells, and
wherein the management device includes:
a communication unit that receives the analysis result sent by the control device; and
a detection unit that compares the analysis results thus received, and compares vibration states among each of the machine tools of the plurality of manufacturing cells, so as to detect spindle failure of a machine tool having a frequency spectral intensity differing from another of the machine tools, and
wherein the communication unit, in a case of the detection unit detecting the spindle failure, sends a failure signal via the network.

US Pat. No. 10,481,045

ASSESSING PERFORMANCE OF AN HVAC SYSTEM

Honeywell International I...

1. A method for assessing performance of a heating, ventilation, and air conditioning (HVAC) system, comprising:counting, by a computing device, a number of interactions with a thermostat of an HVAC system associated with a multi-dwelling unit during a defined period of time, wherein the number of interactions include at least one of:
an adjustment of a heating or cooling setting of the thermostat of the HVAC system;
an adjustment of a fan setting of the thermostat of the HVAC system; and
an adjustment of an AUTO mode setting of the thermostat of the HVAC system; and
assessing, by the computing device, a performance of the HVAC system based on the number of interactions; and
detecting or measuring a deterioration or failure of the HVAC system.

US Pat. No. 10,481,043

METHOD FOR SMALL LEAK TESTING OF AN EVAPORATIVE EMISSIONS SYSTEM

GM GLOBAL TECHNOLOGY OPER...

1. A method for small leak testing of an evaporative emissions system of an engine, the method comprising:monitoring a vacuum pressure level of the evaporation emissions system with the engine on;
opening a canister purge valve and activating a pump, both of which are within the evaporative emissions system, to provide a vacuum pressure level;
actuating a canister vent valve within the evaporative emissions system to regulate the vacuum pressure level to a predetermined minimum vacuum pressure level;
closing the canister vent valve and the canister purge valve when the engine is turned off;
deactivating the pump;
recording the vacuum pressure level over a predetermined time period after the engine is turned off and the pump is deactivated; and
setting a fault code when the vacuum pressure level becomes less than the predetermined minimum vacuum pressure level.

US Pat. No. 10,481,042

METHOD AND SYSTEM FOR MONITORING THE FUNCTION OF A LUBRICATED MACHINE ELEMENT

1. A method for monitoring the function of a machine element lubricated with a lubricant, comprising the following steps:arranging a measurement system on the lubricated machine element and circulating the lubricant through a lubricant circuit to the lubricated machine element,
receiving measured values at the measurement system concerning the lubricant,
determining a current chemical composition of the lubricant based on the measured values,
comparing the current chemical composition with previously known chemical compositions that are stored in a database,
wherein, in the database, function failure tendency values are stored for the use of lubricants with previously known chemical compositions in interaction with machine elements from previously known materials,
identifying a function failure tendency value based on the comparing step,
outputting the function failure tendency value,
generating a time sequence based on multiple identified function failure tendency values,
outputting of a warning when the time sequence approaches a previously determined threshold value,
calculating a composition of an additive that is suitable for changing a current chemical composition of the lubricant of the lubricated machine element with the addition of the additive so that a function failure tendency value of the changed chemical composition of the lubricant indicates a lower function failure likelihood, and
outputting the composition of the additive.

US Pat. No. 10,481,036

PIPELINE LEAK DETECTION SYSTEM

1. A method for detecting, locating, and measuring a leak in a closed system fluid transport pipeline using in-line multiphase mass flow meters at an upstream location and a downstream location, the method comprising:continuously measuring the real-time multiphase mixture mass flow rate and mixture pressure with an upstream meter in the fluid transport pipeline at the upstream location a;
continuously measuring the real-time multiphase mixture mass flow rate and mixture pressure with a downstream meter in the fluid transport pipeline at the downstream location b; and
performing, in an automated, real-time transient analysis, of a leak response function using the above real-time measurements comprising:
detecting an upstream first n=1 leak perturbation wave at the upstream location a at time tan=1, having a transient pressure of Pan=1 a and a transient mass flow rate of Qan=1;
detecting a downstream first m=1 leak perturbation wave at the downstream location b at a time tbm=1, having a transient pressure of Pbm=1 and a transient mass flow rate of Qbm=1;
determining, independent of boundary conditions, an upstream leak response function LRFa using the mass flow rate and pressure measurements received from the upstream location, wherein ?Pa is an upstream leak pressure alteration factor according to

 and ?Qa is an upstream leak flow alteration factor according to

 wherein

determining, independent of boundary conditions, a downstream leak response function LRFb using the mass flow rate and pressure measurements received from the upstream location, wherein ?Pb is a downstream leak pressure alteration factor according to

 and ?Qb is a downstream leak flow alteration factor according to

 wherein LRFb=(1??Pb)(1??Qb);
where Pan=0 is the pressure and Qan=0 is the mass flow rate at the upstream location before the leak;
where Pbm=0 is the pressure and Qbm=0 is the mass flow rate at the downstream location before the leak;
wherein the distance between the upstream location and the downstream location is L, detecting a first reflected perturbation wave at the upstream location at a time tan=2;
determining a distance X from the upstream location to the leak, according to:

determining a first i=1 leak mass flow rate Qleaki=1 according to:
Qleaki=1=Qan=1?Qbm=1; andindicating a leak event when LRFa and LRFb trend downward simultaneously, the location of the leak relative to the upstream location, and the leak mass flow rate.

US Pat. No. 10,481,027

SENSOR, ELECTRONIC DEVICE, MICROPHONE, BLOOD PRESSURE SENSOR, AND TOUCH PANEL

Kabushiki Kaisha Toshiba,...

19. A sensor, comprising:a film portion, the film portion being deformable;
a first sensing element fixed to the film portion, the first sensing element including a first magnetic layer, a first opposing magnetic layer, and a first intermediate layer, the first intermediate layer being provided between the first magnetic layer and the first opposing magnetic layer;
a second sensing element fixed to the film portion, the second sensing element including a second magnetic layer, a second opposing magnetic layer, and a second intermediate layer, the second intermediate layer being provided between the second magnetic layer and the second opposing magnetic layer; and
a processor connected to the first sensing element and the second sensing element, the processor implementing a first operation and a second operation, the first operation outputting a first output signal corresponding to a first signal obtained from the first sensing element, the second operation outputting a second output signal corresponding to a second signal obtained from the second sensing element.

US Pat. No. 10,481,024

PRESSURE SENSOR ASSEMBLY INCLUDING A CURED ELASTOMERIC FORCE TRANSMITTING MEMBER

HONEYWELL INTERNATIONAL I...

1. A pressure sensor assembly comprising:a printed circuit board having a front side and a back side;
a pressure sensor having a front side and a back side, the pressure sensor mounted to the printed circuit board with the back side of the pressure sensor facing the front side of the printed circuit board;
a ring having a front side and a back side, wherein the ring is mounted to the printed circuit board with the back side of the ring facing the front side of the printed circuit board and the front side of the ring spaced away from the front side of the printed circuit board, the ring extending circumferentially around the pressure sensor and defining an opening from the front side of the ring to the pressure sensor;
a force transmitting member positioned at least partially within the opening of the ring, the force transmitting member having a front side and a back side, wherein the front side of the force transmitting member includes a biocompatible cured silicone elastomer and the back side of the force transmitting member engages the front side of the pressure sensor, wherein the force transmitting member transmits a force applied to the front side of the force transmitting member to the front side of the pressure sensor;
a reservoir includes one or more extensions that define an opening,
wherein the first side of the force transmitting member is exposed to the interior of the reservoir, and
wherein the one or more extensions are configured to engage the first side of the force transmitting member to seal the opening.

US Pat. No. 10,481,013

SYSTEM AND APPARATUS FOR DETERMINING AMBIENT TEMPERATURES FOR A FLUID ANALYTE SYSTEM

ASCENSIA DIABETES CARE HO...

1. A portable meter configured to rapidly determine ambient temperature, the portable meter comprising:a housing defining an interior space and an area for receiving a fluid sample;
a controller and a first temperature sensor disposed within said interior space of said housing; and
a second temperature sensor disposed on said housing;
said controller being configured to:
determine a first temperature value from temperature data received from said first temperature sensor,
apply a variable current ranging between 1 mA to 200 mA to a temperature-adjustment source such that said second temperature sensor is adjusted to a predetermined steady-state temperature value up to about 10 degrees Celsius greater than said first temperature value, and
determine an ambient temperature of an exterior space of said housing based on said applied variable current, said pre-determined steady-state temperature value, and said received first temperature value,
wherein the ambient temperature is determined to within about ±1 degree Celsius of an actual ambient temperature.

US Pat. No. 10,481,010

PAD-EQUIPPED THERMOCOUPLE AND METHOD FOR PRODUCING SHEATH THERMOCOUPLE USED THEREIN

OKAZAKI MANUFACTURING COM...

1. A pad-equipped thermocouple comprising:a sheathed thermocouple in which at least a pair of thermocouple elements and an insulating powder for holding the thermocouple elements are accommodated in a sheath, and an opening in a leading end of the sheath is sealed by a sealing member being welded to the leading end of the sheath; and
a pad welded to a temperature measurement target object and configured to hold the sheathed thermocouple at a surface of the temperature measurement target object, wherein
a temperature measuring junction formed by the pair of thermocouple elements is provided so as to be exposed at a sheath side face of a leading end portion of the sheathed thermocouple,
the pad includes an accommodation portion configured to accommodate the leading end portion of the sheathed thermocouple such that the leading end portion can be inserted into and pulled out from the accommodation portion along the surface of the temperature measurement target object, and
the accommodation portion accommodates the leading end portion of the sheathed thermocouple in a state where the temperature measuring junction and the surface of the temperature measurement target object are in contact with each other, wherein
the sheathed thermocouple includes:
a first bar-shaped portion having, at one end thereof, the leading end portion; and
a second bar-shaped portion connected to an other end of the first bar-shaped portion and extending in a direction that crosses an extending direction of the first bar-shaped portion in a state where the second bar-shaped portion is in contact with the temperature measurement target object, and
the pad-equipped thermocouple further comprises
a fixing plate configured to fix the second bar-shaped portion to the surface of the temperature measurement target object, thereby preventing the first bar-shaped portion from rotating about an axis extending along a longitudinal direction, wherein
the sheath side face of the leading end portion of the sheathed thermocouple has formed therein a hole portion for allowing the temperature measuring junction to be exposed therethrough,
the hole portion is formed at a predetermined interval from an end face of the leading end, of the sheath, which has the sealing member welded thereto,
the temperature measuring junction is formed as a weld portion obtained by welding leading ends of the pair of thermocouple elements to each other, and
the hole portion is sealed by the weld portion.

US Pat. No. 10,481,009

TEMPERATURE PROBE AND TEMPERATURE MEASURING DEVICE

BOE Technology Group Co.,...

1. A temperature probe, comprising an antenna, a coupling element, an RF identification chip and a temperature measuring circuit;the antenna connected with a capacitor in the coupling element, thereby forming a resonant circuit which is configured to sense electromagnetic waves transmitted from a reader and store collected energy in the capacitor to supply power to the RF identification chip;
the RF identification chip connected with the antenna and the coupling element, and configured to send electronic tag information stored therein to the reader through the antenna; and
the temperature measuring circuit connected with the RF identification chip, and configured to detect temperature information of an object and send the detected temperature information to the RF identification chip which is configured to send the detected temperature information to the reader through the antenna;
wherein the temperature probe is a closed body, one side of the closed body is a detection face, the temperature measuring circuit comprises a temperature sensor, and
wherein the temperature sensor is disposed at a center of the detection face, a thermal insulation layer is disposed around the temperature sensor, a suction disc is formed at a periphery of the thermal insulation layer, and the suction disc is configured to provide a stable suction force to make the temperature probe adhered to the object under test.

US Pat. No. 10,481,006

THERMAL SENSING LAYER FOR MICROBOLOMETER AND METHOD OF MAKING THE SAME

King Saud University, Ri...

1. A thermal sensing layer for a microbolometer, comprising a thin film of amorphous Ge1-xSnx, wherein 0.17?x?0.25.

US Pat. No. 10,481,000

APPARATUS AND METHOD FOR EVALUATION OF SPECTRAL PROPERTIES OF A MEASUREMENT OBJECT

1. A measurement apparatus (100) for evaluating spectral properties of a measurement object (1); comprising:a plurality of light emission units (2-1, 2-2, . . . 2-K), each emitting light with a predetermined emission spectrum and having a respective output configured for emitting the light with the predetermined emission spectrum onto the measurement object (1);
an optical spectrograph (3) having an input port (40) adapted to receive light from the measurement object (1) and a diffraction unit (3-1) adapted to distribute different wavelengths of the received light to different output ports (41-1, 41-2, . . . 41-N) comprising optical detectors;
the diffraction unit (3-1) adapted to distribute said received light to the respective output ports (41-1, 41-2, . . . 41-N) such that the lights in the respective output port have different wavelengths at different diffraction orders; and
a signal identification unit (6) adapted to identify which of the light emission units contribute to the respective light in the respective output ports.

US Pat. No. 10,480,990

SYSTEM AND METHOD FOR DYNAMIC ADJUSTMENT OF RECIPE INGREDIENTS

Perfect Company, Vancouv...

1. A system comprising:a scale;
a computing device having at least one processor, at least one user interface and a memory; and
the memory including computer-executable instructions that, when executed by the at least one processor, cause the at least one processor to:
receive a recipe, the recipe indicating at least two ingredients and a total nutritional data, the recipe including a first ingredient of the at least two ingredients having a first weight and a first nutritional data, and the recipe including a second ingredient of the at least two ingredients having a second weight and a second nutritional data;
receive, from the scale, a first intermediate weight measurement of the first ingredient based upon an addition of a first amount of the first ingredient to the scale, the first intermediate weight measurement being one of less than or more than the first weight;
generate a first intermediate nutritional data, the first intermediate nutritional data based, at least in part, on the first intermediate weight measurement of the first ingredient and the first nutritional data;
generate a total intermediate nutritional data, the total intermediate nutritional data based, at least in part, on a difference between the first weight and the first intermediate weight measurement of the first ingredient;
receive, from the scale, a second intermediate weight measurement of the second ingredient based upon an addition of a second amount of the second ingredient to the scale, the second intermediate weight measurement being one of less than or more than the second weight;
generate a second intermediate nutritional data, the second intermediate nutritional data based, at least in part, on the second intermediate weight measurement of the second ingredient and the second nutritional data;
update the total intermediate nutritional data, the update based, at least in part, on a difference between the second weight and the second intermediate weight measurement of the second ingredient; and
render, on the user interface, (i) a first display indicating the first intermediate nutritional data and the total intermediate nutritional data, and (ii) a second display indicating the second intermediate nutritional data and the first display further indicating the update to the total intermediate nutritional data.

US Pat. No. 10,480,988

CALIBRATION UNIT AND METHOD FOR METERING A DOSAGE UNIT

Harro Hoefliger Verpackun...

1. A metering unit comprising:a capacitive measuring system;
a calibration unit having a test body, a drive for said test body, and a guide for said test body;
said guide having a first terminal position, a second terminal position, and a guided section running between said first terminal position and said second terminal position;
said drive being configured to move said test body along said guided section in a reciprocating manner between said first terminal position and said second terminal position;
said capacitive measuring system having a measurement duct for dosage units; and,
said guide being configured to be positioned in said measurement duct.

US Pat. No. 10,480,984

DEVICE, CONTAINER AND METHOD FOR MEASURING LIQUID VOLUME IN CONTAINER BASED ON PRESSURE SENSING

Shenzhen Moikit Network T...

1. A device for measuring a liquid volume in a container based on pressure sensing, comprising:a compression member; the compression member is hermetically connected to the container to be detected to form a sealed space in the container, and compresses air in the sealed space under an external force; a volume value of the compressed air is a determined value;
a pressure sensor and a force transmission member; the force transmission member converts an air pressure in the sealed space into pressure applied to the pressure sensor, and an area value of a stress surface is a determined value; the pressure sensor detects a pressure value from the force transmission member before and after the compression;
an air pressure sensor for detecting an ambient air pressure value; and
a controller; the controller is configured to receive the pressure value obtained by the pressure sensor and the ambient air pressure value obtained by the air pressure sensor, and calculates the liquid volume in the container to be detected based on the pressure value, the ambient air pressure value, the volume value, the area value and the volume value of the container to be detected.

US Pat. No. 10,480,968

PUMP SYSTEM AND METHOD FOR DETERMINING THE FLOW IN A PUMP SYSTEM

1. A pump system comprising:at least one fluid container comprising an inlet and an outlet;
at least one pump arranged in the inlet or in the outlet; and
a control device comprising a flow evaluation device for determining a flow through the fluid container of the pump system, the flow evaluation device being configured such that the evaluation device uses a system model for determining flow, wherein:
the system model is comprised of at least two different sub-models, comprising a sub-model which describes inflow behavior of the fluid container and a sub-model which describes outflow behavior of the fluid container;
the control device comprises:
a memory configured to store data acquired in the pump system, and
a parameter evaluation device configured to determine parameters of the at least two sub-models on the basis of the stored data; and
the parameter evaluation device is configured to determine parameters of the first sub-model simultaneously with a determination of parameters of the second sub-model.

US Pat. No. 10,480,929

METHOD AND APPARATUS FOR FOLLOWING AN OPERATOR AND LOCKING ONTO A RETROREFLECTOR WITH A LASER TRACKER

FARO TECHNOLOGIES, INC., ...

1. A method for optically communicating, from a user to a laser tracker, a command to direct a beam of light from the laser tracker to a retroreflector with steps comprising:projecting a first light from a light source disposed on the laser tracker to the retroreflector;
reflecting a second light from the retroreflector, the second light being a portion of the first light;
obtaining first sensed data by sensing a third light, the third light being a portion of the second light, wherein the first sensed data is obtained by imaging the third light onto a photosensitive array disposed on the laser tracker and converting the third light on the photosensitive array into digital form;
generating by the user, between a first time and a second time, a predefined temporal pattern, the predefined temporal pattern including at least a decrease in optical power of the third light followed by an increase in the optical power of the third light, the predefined temporal pattern corresponding to the command;
determining by the laser tracker that the first sensed data corresponds to the predefined temporal pattern; and
pointing the beam of light from the laser tracker to the retroreflector.

US Pat. No. 10,480,916

LOW-OBSERVABLE PROJECTILE

1. A projectile system comprising:a projectile including an exterior layer of radar-absorbing material fully covering an exterior surface of the projectile; and
a carrier disposed around the projectile configured to provide a thermally insulating barrier preventing any portion of the radar-absorbing layer being burned off during firing of the projectile system and configured to detach and fall away from the projectile after firing of the projectile system while leaving the layer of radar-absorbing material intact, whereby the projectile is low-observable for radar detection after firing.

US Pat. No. 10,480,914

BIODEGRADABLE SHOTGUN WAD SYSTEM

1. A shotgun shell comprising:a shotgun hull;
a biodegradable shot wad configured to be confined within said shotgun hull;
a biodegradable powder wad configured to be confined within said shotgun hull;
wherein said biodegradable powder wad is separate and uncoupled from said biodegradable shot wad within said shotgun hull;
wherein said biodegradable shot wad at least partially surrounds shot within said shotgun hull;
wherein said biodegradable powder wad physically separates powder from said shot within said shotgun hull;
wherein said biodegradable shot wad comprises a biodegradable material, wherein the biodegradable shot wad is a relatively brittle shot wad that breaks into multiple fragmented and independent pieces upon exiting the barrel after a shot;
wherein said biodegradable powder wad comprises a biodegradable material, wherein the biodegradable powder wad is less brittle than the biodegradable shot wad, and wherein the biodegradable shot wad is more brittle than the biodegradable powder wad;
wherein upon firing of said shotgun shell, said biodegradable shot wad is configured to fragment into multiple discrete pieces during flight or landing; and
wherein upon firing of said shotgun shell, said biodegradable powder wad is configured to stay intact during flight and landing.

US Pat. No. 10,480,898

LOW-SHOCK SEPARATION DEVICE

AGENCY FOR DEFENSE DEVELO...

1. A low-shock separation device comprising:a housing having open top and bottom and an internal receiving space;
a cylinder disposed in the receiving space through the top of the housing and having a top hole and a bottom hole communicating with the top hole and larger in cross-sectional area than the top hole;
a housing cap fitted in a space between the housing and the cylinder and closing the top of the housing;
a piston disposed in the bottom hole of the cylinder;
a pressure cartridge partially inserted in the top hole and closing an upper end of the top hole; and
a bolt partially inserted in the bottom hole through the bottom of the housing, closing a lower end of the bottom hole, and kept in the bottom hole by a holder,
wherein a passage attenuating a collision between the cylinder and the housing cap is formed by filling a space between the cylinder and the housing cap with high pressure gas, and the passage is formed when the cylinder is moved toward the pressure cartridge by high pressure that is generated when the pressure cartridge is operated.

US Pat. No. 10,480,896

MULTI-PLATFORM ERGONOMIC FOREGRIP AND ACCESSORY RAIL FOR FIREARMS

Strike Industries, Inc., ...

1. A detachable firearm attachment implementable on a firearm, comprising:a main body having a first primary side and a second primary side, the first primary side configured to attach to holes of a first handguard rail system of a first handguard of the firearm and holes of a second handguard rail system of a second handguard of the firearm with the holes of the first handguard having a first shape and first dimensions and the holes of the second handguard having a second shape and second dimensions, wherein the first shape and the second shape are different, and wherein the first dimensions and the second dimensions are different; and
a fastening device with physical features such that, when the main body is attached to the firearm, the fastening device is configured to fasten the main body to the holes of the first handguard and to the holes of the second handguard,
wherein the first handguard rail system comprises a plurality of key-hole shaped slots,
wherein the second handguard rail system comprises a plurality of rounded-square slots,
wherein the detachable attachment comprises an accessory rail,
wherein the second primary side comprises a ribbed rail surface comprising a plurality of rail ribs and a plurality of grooves each between respective two adjacent rail ribs of the plurality of rail ribs, and
wherein the ribbed rail surface is configured to accept attachment of one or more firearm accessories.

US Pat. No. 10,480,889

FIREARM HAVING INTEGRAL RECOIL BOOSTER AND COMPENSATOR, AND QUICK DETACH SUPPRESSOR SYSTEM

1. A firearm comprising:a recoil booster including a front bushing, rear bushing and a spring positioned about at least said front bushing, said recoil booster positioned within a compensator; and
a quick detach mount removably attached to said compensator and configured to receive a suppressor baffle, said quick detach mount including a pair of mounting claws removably attaching said quick detach mount to said compensator.

US Pat. No. 10,480,887

FASTENING DEVICE FOR WEAPON ACCESSORY

Dieter Christandl, Weiz ...

1. A fixing device (10) for fixing silencer (11) to a handgun, wherein the fixing device comprises:a fixation rail (30) for fixing the fixing device at a mounting rail (94) of the handgun, and
a fixation plate (12) arranged at the front end of the fixation rail (30) extending perpendicular with respect to the fixation rail, wherein a shot channel (20) is formed in the fixation plate, which, with the fixing device fixed to the mounting rail (94), extends coaxially with respect to the central axis of the barrel of the gun, wherein
the fixation plate (12) comprises a fixation means for fixing the silencer at the fixation plate (12),
wherein the fixation means comprises a groove (12a) running at least partly circumferentially around the fixation plate (12), or a tongue of a tongue and groove connection running at least partly circumferentially around the fixation plate (12),
wherein the groove (12a) or the tongue is formed such that a tongue or groove provided at the silencer can be brought into engagement with the groove (12a) or tongue of the fixation plate (12),
wherein the groove (12a) or tongue of the fixation plate (12) is provided at least at two opposing side walls (16) of the fixation plate, wherein the silencer can be pushed on the fixation plate along the groove (12a) or the tongue,
wherein a locking means is provided at the fixation plate (12) for locking the silencer fixed at the fixation plate, wherein the locking means comprises at least one hole (12c) provided at at least one side wall (16), which corresponds to e borehole (40) provided at the silencer, when the silencer is fixed to the fixation plate (12), wherein a safety bolt can be pushed through the hole (12c) and through the borehole (40).

US Pat. No. 10,480,882

TRIGGER GROUP FOR SEMI-AUTOMATIC FIREARMS

FRANKLIN ARMORY HOLDINGS,...

1. A trigger assembly for a firearm comprising:a frame;
a hammer connected to the frame and movable between a cocked position and a striking position;
the hammer being biased toward the striking position;
a trigger element connected to the frame and movable by a user between a forward position and a rearward position;
a single selector connected to the frame and movable between at least a safe position, a first position, and a second position;
a disconnector having a hammer engagement facility adapted to selectably engage the hammer;
a disconnector control element movable between a first control position and a second control position;
the disconnector being operably engaged to the disconnector control element;
the disconnector operable to move in a first range of motion when the disconnector control element is in the first control position; and
the disconnector operable to move in a second range of motion different from the first range of motion when the disconnector control element is in the second control position, such that the trigger assembly operates in a first mode when the selector is in the first position, and in a second mode when in the second position.