US Pat. No. 10,712,552

BLADELESS DUST REMOVAL SYSTEM FOR COMPACT DEVICES

DATALOGIC IP TECH S.R.L.,...

1. A bladeless dust removal system for removing dust within a housing of a compact electro-optical device, the system comprising:a source of air operable to generate an air flow;
a plurality of tubular elements located within the housing of the compact electro-optical device and operable to receive air from the source of air, operable to handle air within itself, and operable to allow an expulsion of air through openings in the walls of the plurality of tubular elements, wherein:
the plurality of tubular elements connects together through one or more links and the compact electro-optical device ranges from 5 centimeters to 15 centimeters in diameter;
the openings in the walls of the plurality of tubular elements positioned so that air flows through the openings in a substantially uniform direction in the compact electro-optical device; and
the air flows into the housing of the compact electro-optical device such that the air and internal dust within the housing is expelled from the compact electro-optical device out of slots disposed proximate a periphery of the housing.

US Pat. No. 10,712,551

APPARATUS AND METHOD FOR CLEANING A LENS

1. An apparatus for cleaning at least one lens, comprising:a plurality of cleaning devices, each of which has a housing that is separate from the housings of the other cleaning devices and each of which is loadable and operable independently, and
a common handling device for feeding the at least one lens selectively to one of the cleaning devices,
wherein the handling device has a gripping device for gripping the at least one lens or a carrier with the at least one lens and holding the at least one lens suspended in a selected one of the cleaning devices,
wherein the cleaning devices each have a separate port for receiving the at least one lens or the carrier with the at least one lens, and wherein each of the ports has a slit-shaped or collar-shaped opening, and
wherein the opening of the respective port is closable or coverable with at least one of the common handling device and the gripping device when the at least one lens is held in the respective cleaning device by the common handling device.

US Pat. No. 10,712,550

COLOCATING SIGNAL PROCESSING DEVICE WITH MICROMECHANICAL SCANNING SILICON MIRROR

Microsoft Technology Lice...

1. An apparatus, comprising:a micromechanical scanning silicon mirror, comprising:
a mirror section;
a first foot and a second foot;
a first flexure and a second flexure, the first flexure between the mirror section and the first foot, a distal end of the first flexure terminates at the first foot, the second flexure between the mirror section and the second foot, and a distal end of the second flexure terminates at the second foot;
a piezoresistive sensor configured to output a signal; and
sensor contacts, the sensor contacts electrically coupled to the piezoresistive sensor;
a signal processing device configured to receive the signal outputted by the piezoresistive sensor; and
wire bonds, the wire bonds directly connect the sensor contacts of the micromechanical scanning silicon mirror to the signal processing device as part of a signal path between the piezoresistive sensor and the signal processing device;
wherein the micromechanical scanning silicon mirror and the signal processing device are part of separate dies.

US Pat. No. 10,712,549

DEVICE FOR CARRYING OUT LIGHT-SHEET MICROSCOPY

GATACA SYSTEMS, Vanves (...

1. A device comprising:an immersion chamber comprising an aperture and a bottom;
an injection system configured to inject a light beam and guide the light beam to the immersion chamber;
a guiding system configured to guide the light beam from the injection system and into the immersion chamber along an optical guide path;
a shaping system configured to shape the light beam originating from the injection system to give the light beam a shape that is elongated in one spatial dimension to create a light sheet in a sheet plane situated in the immersion chamber;
an objective having an observation plane situated in the immersion chamber and perpendicular to an optical axis of the objective, the objective comprising a distal end oriented towards the immersion chamber and a proximal end, the distal end of the objective being situated on a side of the bottom of the immersion chamber; and
a sample holder configured to hold a sample while immersing the sample in the immersion chamber through the aperture,
wherein the aperture of the immersion chamber, the sheet plane, and the distal end of the objective are aligned in this order, and
wherein the shaping system forms part of the guiding system, is situated along the optical guide path between the injection system and the immersion chamber, and is situated between a first plane perpendicular to the optical axis of the objective and passing through the aperture of the immersion chamber and a second plane perpendicular to the optical axis of the objective and situated beyond the distal end of the objective with respect to the first plane.

US Pat. No. 10,712,548

SYSTEMS AND METHODS FOR RAPID SCANNING OF IMAGES IN DIGITAL MICROSCOPES

Microscope International,...

1. A method of preparing a field image of a portion of a target area of a microscope slide specimen using a slide scanning microscope, the slide scanning microscope having a movable slide stage for holding the microscope slide, an objective lens, and a digital video camera optically coupled to the objective lens, the digital video camera having a digital image sensor operating as an M pixels by N lines digital pixel array, the method comprising:performing a first movement to a first stationary position, the first movement selected from a slide stage movement and an objective lens movement, the first movement having a move time and a settle time;
determining a line number S of a video frame F output by the digital video camera at the end of the settle time as a complete line;
capturing, after the settle time has elapsed, a first field image portion comprising lines S to N of video frame F output by the digital video camera for the M pixels by N lines digital pixel array;
capturing a second field image portion comprising lines 1 to (S?1) of video frame F+1 output by the digital video camera for the M pixels by N lines digital pixel array; and
assembling the field image using the second field image portion from video frame F+1 and the first field image portion from video frame F.

US Pat. No. 10,712,547

MICROSCOPE, FOCUSING UNIT, FLUID HOLDING UNIT, AND OPTICAL UNIT

RIKEN, Saitama (JP)

1. A microscope, comprising:a sample placement part having a placement surface at which to place a sample and a face opposite to the placement surface;
an observation lens for receiving fluorescence from the sample;
a fluid holding device for holding fluid between the observation lens and the sample placement part; and
an optical unit provided outside of the observation lens and configured to generate sheet light such that
the sheet light entering the sample placement part from the face opposite to the placement surface from an oblique direction with respect to the placement surface passes through the sample placement part, and the passed sheet light irradiates the sample, and
the fluorescence passes through the sample placement part toward the face opposite to the placement surface, and the passed fluorescence is received by the observation lens.

US Pat. No. 10,712,546

ILLUMINATION SOURCE FOR STRUCTURED ILLUMINATION MICROSCOPY

Keysight Technologies, In...

1. An illumination system comprising:a generator spatial light modulator (SLM) positioned to receive an incident light beam and adapted to generate first and second coherent light beams, each beam being characterized by a phase and a first light beam optical axis in a plane containing said first and second coherent light beams, said first and second coherent light beams being characterized by an angle of rotation about said first light beam optical axis;
a first optical system that images light leaving said generator SLM on a modulator SLM that alters said phase of one of said first and second coherent light beams to generate a relative phase difference characterized by a phase-difference value;
a second optical system that processes light leaving said modulator SLM into first and second collimated beams having said phase difference and directing said first and second collimated beams onto a sample to be illuminated such that said first and second collimated beams interfere on said sample and strike said sample from different directions; and
a controller that causes said relative phase difference to change through a plurality of different phase-difference values.

US Pat. No. 10,712,545

SYSTEMS AND METHODS FOR CONDUCTING CONTACT-FREE THICKNESS AND REFRACTIVE-INDEX MEASUREMENTS OF INTRAOCULAR LENSES USING A SELF-CALIBRATING DUAL CONFOCAL MICROSCOPY SYSTEM

The United States of Amer...

1. A dual confocal microscopy system comprising:a light source for transmitting a first laser beam;
a fiber optic coupler for splitting the first laser beam into a first divided laser beam and a second divided laser beam, the fiber optic coupler defining a first pathway for transmitting the first divided laser beam to the first confocal microscope and a second pathway for transmitting the second divided laser beam to the second confocal microscope;
a first confocal microscope in operative communication with the first pathway for receiving the first divided laser beam, the first confocal microscope comprising a first collimating lens for transforming the first divided laser beam into a plurality of first collimated laser beams and a first focusing lens having a first focal length for focusing the plurality of first collimated laser beams; and
a second confocal microscope in operative communication with the second pathway for receiving the second divided laser beam, the second confocal microscope comprising a second collimating lens for transforming the first divided laser beam into a plurality of second collimated laser beams and a second focusing lens having a second focal length for focusing the plurality of second collimated laser beams;
wherein the first confocal microscope and the second confocal microscope are longitudinally aligned along a beam axis as defined by the first pathway and the second pathway.

US Pat. No. 10,712,544

LENS ASSEMBLY FOR A VIDEOCONFERENCING SYSTEM

Logitech Europe S.A., La...

1. A videoconferencing system, comprising:a lens assembly housing defining a front opening;
an imaging sensor;
a lens assembly disposed within the lens assembly housing and comprising:
a first lens group comprising a first lens element coupled to a second lens element;
a second lens group comprising third, fourth, and fifth lens elements, the third lens element having one or more aspherical surfaces;
a third lens group comprising a sixth lens element disposed within a fixed aperture and having one or more aspherical surfaces;
a fourth lens group comprising seventh, eighth and ninth lens elements, the seventh lens element having one or more aspherical surfaces and being formed from molding glass; and
a fifth lens group, the fifth lens group comprising tenth and eleventh lens elements, the eleventh lens element including an IR filter,
wherein the fifth lens group is adjacent to the imaging sensor, and
wherein the first lens group is adjacent to the front opening;
a first motor coupled to and configured to move the second lens group between the first and third lens groups; and
a second motor coupled to and configured to move the fourth lens group between the third and fifth lens groups.

US Pat. No. 10,712,543

STACKED LENS STRUCTURE, METHOD OF MANUFACTURING THE SAME, ELECTRONIC APPARATUS, MOLD, METHOD OF MANUFACTURING THE SAME, AND SUBSTRATE

Sony Semiconductor Soluti...

1. A method of manufacturing a lens structure, the method comprising:forming a plurality of through-holes at positions shifted from a predetermined first target positions by first shift amounts corresponding to shifts in the positions of the respective through-holes that occur during manufacturing processes;
forming a plurality of lenses, wherein forming the plurality of lenses includes forming a lens at an inner side of each of the through-holes using a first mold having a plurality of first transfer surfaces used for forming a first surface of each of the lenses, wherein the first transfer surfaces are disposed at positions shifted from predetermined second target positions by second shift amounts corresponding to shifts in the positions of the first surfaces of the respective lenses that occur during the manufacturing processes and using a second mold having a plurality of second transfer surfaces used for forming a second surface of each of the lenses, wherein the second transfer surfaces are disposed at positions shifted from predetermined third target positions by third shift amounts corresponding to shifts in positions of the second surfaces of the respective lenses that occur during the manufacturing processes;
stacking and directly bonding the plurality of substrates having the lenses formed therein; and
dividing the plurality of stacked substrates.

US Pat. No. 10,712,542

IMAGING LENS ASSEMBLY AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An imaging lens assembly, comprising a plurality of lens elements, wherein at least one of the lens elements is a dual molded lens element, and the dual molded lens element comprises:a molded light transmitting portion comprising:
an effective optical section; and
a first annular surface located on a lens annular surface of the dual molded lens element, wherein the lens annular surface connects an object-side surface and an image-side surface of the dual molded lens element; and
a molded light absorbing portion located on at least one surface of the object-side surface and the image-side surface of the dual molded lens element, wherein a plastic material and a color of the molded light absorbing portion are different from a plastic material and a color of the molded light transmitting portion, and the molded light absorbing portion comprises:
an opening disposed correspondingly to the effective optical section; and
a second annular surface, which is located on the lens annular surface of the dual molded lens element and connected to the first annular surface, wherein a step surface of the second annular surface is formed by the first annular surface and the second annular surface, and the step surface is exposed to an air;
wherein the first annular surface is not overlapped with the second annular surface in a direction orthogonal to the first annular surface and the second annular surface by the step surface;
wherein a maximum outer diameter of the molded light transmitting portion is ?W, a maximum outer diameter of the molded light absorbing portion is ?B, and the following condition is satisfied:
?B>?W.

US Pat. No. 10,712,541

PHOTOGRAPHING OPTICAL LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. A photographing optical lens assembly comprising five lens elements, the five lens elements being, in order from an object side to an image side:a first lens element, a second lens element, a third lens element, a fourth lens element and a fifth lens element;
wherein each of the five lens elements has an object-side surface facing toward the object side and an image-side surface facing toward the image side; at least one of the object-side surfaces and the image-side surfaces of the five lens elements is aspheric;
wherein the first lens element has positive refractive power; the object-side surface of the second lens element is convex in a paraxial region thereof; the third lens element has negative refractive power; the object-side surface of the fourth lens element is concave in a paraxial region thereof; the image-side surface of the fifth lens element is concave in a paraxial region thereof;
wherein an Abbe number of the second lens element is V2, an Abbe number of the fourth lens element is V4, a focal length of the photographing optical lens assembly is f, a maximum image height of the photographing optical lens assembly is ImgH, half of a maximal field of view of the photographing optical lens assembly is HFOV, and the following relationships are satisfied:
20 2.00 HFOV<25 degrees.

US Pat. No. 10,712,539

CAMERA LENS

AAC Communcation Technolo...

1. A camera lens comprising, in an order from an object side to an image side: a first lens having a negative refractive power with a convex object side surface, a second lens having a positive refractive power with a convex object side surface, a third lens having negative refractive power with a concave image side surface, a fourth lens having a positive refractive power with a concave object side surface, and a fifth lens having a negative refractive power with a convex object side surface and a concave image side surface, wherein the object side surface of the first lens, an object side surface and the image side surface of the third lens, the object side surface and an image side surface of the fourth lens, the object side surface and the image side surface of the fifth lens are aspherical surfaces, and the camera lens further satisfies the following conditions (1)˜(4) and (13-1):?550?f1/f2??2.5  (1)
0.1?T23/f?0.2  (2)
?86.3?R31/f3?6.3  (3)
?2.0?R32/f3??0.3  (4)
0.6 where
f1: the focal length of the first lens;
f2: the focal length of the second lens;
f3: the focal length of the third lens;
f: the focal length of the whole camera lens;
T23: the air interval on an optical axis between the second lens and the third lens;
R31: Curvature of the object side of the third lens;
R32: Curvature of the image side surface of the third lens;
f12: the synthetic focal length of the first lens and the second.

US Pat. No. 10,712,538

OPTICAL IMAGING LENS

Genius Electronic Optical...

1. An optical imaging lens, from an object side to an image side in order along an optical axis comprising: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element, the first lens element to the sixth lens element each having an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:the first lens element has negative refracting power;
the third lens element has negative refracting power;
an optical axis region of the image-side surface of the sixth lens element is concave;
wherein only the above-mentioned six lens elements of the optical imaging lens have refracting power;
wherein, TL is a distance from the object-side surface of the first lens element to the image-side surface of the sixth lens element along the optical axis, BFL is a distance from the image-side surface of the sixth lens element to an image plane along the optical axis, T3 is a thickness of the third lens element along the optical axis, T4 is a thickness of the fourth lens element along the optical axis, G12 is an air gap between the first lens element and the second lens element along the optical axis, G23 is an air gap between the second lens element and the third lens element along the optical axis, G34 is an air gap between the third lens element and the fourth lens element along the optical axis, G45 is an air gap between the fourth lens element and the fifth lens element along the optical axis, ?3 is an Abbe number of the third lens element, ?4 is an Abbe number of the fourth lens element, ?5 is an Abbe number of the fifth lens element, ?6 is an Abbe number of the sixth lens element, and the optical imaging lens satisfies the relationship: (G23+T3+G34+T4+G45)/G12?2.600, TL/BFL?4.400 and ?3+?4+?5+?6?150.000.

US Pat. No. 10,712,537

OPTICAL IMAGING LENS

Genius Electronic Optical...

1. An optical imaging lens, from an object side to an image side in order along an optical axis comprising: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a six lens element, the first lens element to the sixth lens element each having an object-side surface facing toward the object side and allowing imaging rays to pass through as well as an image-side surface facing toward the image side and allowing the imaging rays to pass through, wherein:an optical axis region of the image-side surface of the first lens element is concave;
an optical axis region of the object-side surface of the second lens element is convex;
an optical axis region of the object-side surface of the third lens element is convex, and a periphery region of the object-side surface of the third lens element is concave;
an optical axis region of the object-side surface of the fourth lens element is convex;
an optical axis region of the object-side surface of the sixth lens element is concave;
wherein only the above-mentioned six lens elements of the optical imaging lens have refracting power;
wherein, ?2 is an Abbe number of the second lens element, ?3 is an Abbe number of the third lens element, G12 is an air gap between the first lens element and the second lens element along the optical axis, G23 is an air gap between the second lens element and the third lens element along the optical axis, G34 is an air gap between the third lens element and the fourth lens element along the optical axis, T2 is a thickness of the second lens element along the optical axis, T3 is a thickness of the third lens element along the optical axis, and the optical imaging lens satisfies the relationship: ?2+?3?60, and (G12+T2+T3+G34)/G23?4.300.

US Pat. No. 10,712,536

CAMERA OPTICAL LENS

AAC OPTICS SOLUTIONS PTE....

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens with a positive refractive power, a second lens with a negative refractive power, a third lens with negative refractive power, a fourth lens with a positive refractive power, a fifth lens with a positive refractive power, and a sixth lens with a negative refractive power; wherein the camera optical lens further satisfies the following conditions:0.5?f1/f?5;
?14.19?f2/f??2.34;
1.7?n2?2.2;
1.7?n3?2.2
0.03?d3/TTL?0.15;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f2: the focal length of the second lens;
n2: the refractive power of the second lens;
n3: the refractive power of the third lens;
d3: the thickness on-axis of the second lens;
TTL: the total optical length of the camera optical lens.

US Pat. No. 10,712,535

CAMERA OPTICAL LENS

AAC OPTICS SOLUTIONS PTE....

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, and a sixth lens; wherein the camera optical lens further satisfies the following conditions:0.5?f1/f?5;
?30.24?f2/f??5.23;
v1?60;
1.7?n2?2.2;
0.02?d1/TTL?0.15;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f2: the focal length of the second lens;
v1: the abbe number of the first lens;
n2: the refractive index of the second lens;
d1: the thickness on-axis of the first lens;
TTL: the total optical length of the camera optical lens.

US Pat. No. 10,712,534

CAMERA OPTICAL LENS

AAC OPTICS SOLUTIONS PTE....

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, and a sixth lens; wherein the camera optical lens further satisfies the following conditions:1?f1/f?5;
?20.49?f2/f??2.28;
1.7?n4?2.5;
1.7?n6?2.5;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f2: the focal length of the second lens;
n4: the refractive index of the fourth lens;
n6: the refractive index of the sixth lens.

US Pat. No. 10,712,533

CAMERA OPTICAL LENS

AAC OPTICS SOLUTIONS PTE....

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens, a second lens having a positive refractive power, a third lens having a negative refractive power, a fourth lens, a fifth lens, and a sixth lens; wherein the first lens has a positive refractive power with a convex object side surface and a concave image side surface; the camera optical lens further satisfies the following conditions:0.5?f1/f?10;
1.7?n2?2.2;
1.7?n3?2.2;
?34.75?(R1+R2)/(R1?R2)??3.02;
0.03?d1/TTL?0.16;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
R1: the curvature radius of object side surface of the first lens;
R2: the curvature radius of image side surface of the first lens;
d1: the thickness on-axis of the first lens;
TTL: the total optical length of the camera optical lens;
n2: the refractive index of the second lens;
n3: the refractive index of the third lens.

US Pat. No. 10,712,532

QUAD-AXIS ROTATABLE COUDé PATH

1. An optics system comprising:a main yoke, an outer gimbal, an inner gimbal, and a plurality of mirrors arranged around and centered about four orthogonal, rotational axes in a quad-axis Coudé optical path,
wherein the main yoke comprises at least two mirrors,
the outer gimbal comprises at least two mirrors, and
the inner gimbal comprises at least two mirrors,
wherein the optical path is hidden physically within the main yoke, outer gimbal, and inner gimbal,
wherein the rotational axes are consecutively dependent on one another, and wherein said plurality of mirrors in the grad-axis Coudé optical path direct light to a predetermined region irrespective of an orientation of an incident beam directed to said plurality of mirrors.

US Pat. No. 10,712,531

LENS STRUCTURE AND ASSEMBLY METHOD THEREOF

LUXVISIONS INNOVATION LIM...

1. A lens structure comprising:a lens barrel comprising at least two first locking structures; and
a lens disposed in the lens barrel from bottom to top and comprising at least two second locking structures, wherein the lens has a first upper surface, a first side surface, at least two protrusions, a second side surface, and a second upper surface, the first side surface is vertically connected to the first upper surface, each of the at least two protrusions has an inclined surface and a bottom surface, the inclined surface inclines downwardly from the first side surface to a side away from the first side surface, the second side surface is vertically connected between the bottom surface and the second upper surface, and the at least two protrusions and the second upper surface define the at least two second locking structures, the at least two first locking structures are respectively locked to the at least two second locking structures by rotating the lens, so that the lens is fixed to the lens barrel.

US Pat. No. 10,712,530

LENS DRIVING DEVICE, CAMERA MODULE AND OPTICAL APPARATUS

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

1. A lens driving device, comprising:a holder member;
a bobbin disposed in the holder member;
a first coil disposed on the bobbin;
a first magnet disposed on the holder member and facing the first coil;
a base spaced apart from the holder member;
a circuit board disposed on the base and comprising a second coil facing the first magnet;
an upper elastic member coupled to an upper portion of the bobbin and an upper portion of the holder member;
a lower elastic member coupled to a lower portion of the bobbin and a lower portion of the holder member;
a wire coupled to the upper elastic member and the circuit board; and
a damping member connecting the lower elastic member and the circuit board.

US Pat. No. 10,712,527

IMAGING LENS MODULE AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An imaging lens module, comprising:a plastic barrel, comprising:
an outer object-end surface being a surface of the plastic barrel facing an imaged object, and the outer object-end surface surrounding an object-end opening;
an outer image-end surface being a surface of the plastic barrel facing an image surface, and the outer image-end surface surrounding an image-end opening;
an inner tube surface connecting with the outer object-end surface and the outer image-end surface and facing an optical axis of the imaging lens module, wherein the inner tube surface comprises a plurality of parallel inner surfaces, a plurality of stripe structures are disposed on and protruded from at least one of the parallel inner surfaces, and the stripe structures are regularly arranged along a circumferential direction of the at least one of the parallel inner surfaces;
an optical lens assembly comprising a plurality of optical elements disposed in the plastic barrel and arranged along the optical axis, wherein an outer annular surface of at least one of the optical elements is disposed correspondingly to the stripe structures; and
a glue material applied among the outer annular surface and the stripe structures;
wherein the image-end opening is larger than the object-end opening;
wherein the outer image-end surface is closer to the at least one of the optical elements disposed correspondingly to the stripe structures than the outer object-end surface is to the at least one of the optical elements disposed correspondingly to the stripe structures.

US Pat. No. 10,712,526

OPTICAL MOUNT WITH TILT ADJUSTMENT

Raytheon Company, Waltha...

1. An optical device mount comprising:a frame;
a pair of overlapping plates, at least one of which is configured to receive an optic;
a first flexure directly connected to the frame and a first plate of the pair of plates; and
a second flexure directly connected to the first plate, and a second plate of the pair of plates;
wherein the frame, the flexures, and the plates are all parts of a single unitary continuous monolithic piece of material;
wherein the frame is between and at least partially overlapped by the plates; and
wherein the flexures are thinner than the mounting plates.

US Pat. No. 10,712,525

PACKAGING MEMS IN FLUIDIC ENVIRONMENTS

1. A optical micro-electromechanical system (MEMS) package, comprising:a MEMS die mounting surface;
an optical MEMS device disposed on the mounting surface, and including a lens having a lens index of refraction; and
an incompressible dielectric fluid contained within the package and surrounding at least a portion of the optical MEMS device, wherein the incompressible dielectric fluid has a viscosity that provides critical or over mechanical damping to the optical MEMS device and reduces oscillation of the optical MEMS device, and the incompressible dielectric fluid has an index of refraction that is matched with the lens index of refraction.

US Pat. No. 10,712,524

OPTICAL SYSTEM AND OPTICAL APPARATUS INCLUDING SAME

CANON KABUSHIKI KAISHA, ...

1. An optical system comprising:a plurality of lenses including an aspheric lens having a first aspheric surface; and
a light absorption portion arranged on an optical axis and having thickness distribution in a direction perpendicular to the optical axis, wherein
the light absorption portion includes a second aspheric surface, and
the following conditional expressions are satisfied:
|nG×XG/(nF×XF)|>1.00; and
0.800?hG/hF?1.30,
where nG is a refractive index of the aspheric lens at a wavelength of 550 nm, nF is a refractive index of the light absorption portion at the wavelength of 550 nm, XG is an aspheric sag amount of the first aspheric surface, XF is an aspheric sag amount of the second aspheric surface, hG is a height of a position on the first aspheric surface through which a marginal ray of an axial ray passes, and hF is a height of a position on the second aspheric surface through which the marginal ray of the axial ray passes.

US Pat. No. 10,712,522

FLOODING COMPOSITIONS COMPRISING BIO-BASED FLUIDS

Dow Global Technologies L...

1. A cable comprising:(A) at least one wire; and
(B) a flooding composition comprising in weight percent (wt %) based on the weight of the composition:
(1) from 10 wt % to 30 wt % of a first component comprising a polyolefin elastomer consisting of only ?-olefin residues and having a melting point of at least 50° C.; and
(2) a second component consisting of
(i) from 70 wt % to 90 wt % vegetable oil, or
(ii) 70 wt % of a blend of vegetable oil and a polyalpha-olefin oil (PAO oil) consisting only of one or more alpha-olefins, the PAO oil is a liquid at 22° C.; and
(3) 0.01-1 wt % optional additive;
the flooding composition having a drop point of at least 90° C. as determined according to ASTM D127.

US Pat. No. 10,712,521

FIBER OPTIC CABLE WITH SLEEVE

CORNING OPTICAL COMMUNICA...

1. A fiber optic cable, comprising:a core assembly comprising:
an optical fiber, and a tube through which the optical fiber extends;
a polymeric sleeve surrounding the core assembly, wherein the polymeric sleeve is continuous peripherally around the core assembly, forming a continuous closed loop when viewed in cross-section, and continuous lengthwise along a length of the cable that is at least 10 meters, wherein the polymeric sleeve conforms to an exterior geometry of the core assembly, thereby limiting the space for water to flow between the polymeric sleeve and the core assembly;
water-swellable powder partially embedded in the polymeric sleeve such that the particles of the water-swellable powder have a portion thereof submerged in the polymeric sleeve passing partly through a surface plane of the polymeric sleeve and another portion thereof exposed partially projecting away from the surface plane of the polymeric sleeve; and
a jacket surrounding the polymeric sleeve.

US Pat. No. 10,712,520

PHOTOELECTRIC COMPOSITE CABLE

ZHONGTIAN POWER OPTICAL C...

1. A photoelectric composite cable comprising:a carbon coated fiber and hydrogen scavenger gel in a fiber in metal tube (FIMT), an excess length of the carbon coated fiber is reserved in the FIMT by a tension method or a deformation method;
a conductor layer formed by continuous laser welding of copper strips cylindrically covering an outer surface of the FIMT, a wall thickness of the conductor layer is less than or equal to 0.15 mm;
an insulating layer covering an outer surface of the conductor layer opposite to the FIMT; and
an external steel tube cylindrically covering an outer surface of the insulating layer opposite to the conductor layer.

US Pat. No. 10,712,519

HIGH FIBER COUNT PRE-TERMINATED OPTICAL DISTRIBUTION ASSEMBLY

1. An optical fiber cable, comprising:a main distribution cable including a plurality of optical fibers surrounded by a cable jacket;
at least two furcation legs into which the plurality of optical fibers are divided, the at least two furcation legs transitioning from the main distribution cable and each of the at least two furcation legs extending from the distribution cable along a longitudinal axis;
a furcation plug located at a transition point between the main distribution cable and the at least two furcation legs, the furcation plug surrounding at least a portion of the main distribution cable and each of the at least two furcation legs; and
an optical connector for each of the at least two furcation legs, each connector including optical fibers that are spliced at a splice location to the optical fibers of the connector's respective furcation leg;
wherein, for each of the at least two furcation legs, the splice location is closer to the connector than to the furcation plug as measured in a direction along the longitudinal axis of each furcation leg.

US Pat. No. 10,712,518

FIBER OPTIC ENCLOSURE WITH LOCKABLE INTERNAL CABLE SPOOL

CommScope Technologies LL...

1. A fiber optic enclosure assembly comprising:a housing having an interior;
a cable storage spool positioned within the interior of the housing, the cable storage spool being rotatable about an axis relative to the housing;
a fiber optic cable wound around the cable storage spool, the fiber optic cable having a connectorized first end and a connectorized second end, wherein the cable storage spool rotates about the axis relative to the housing to allow the fiber optic cable to be paid out from the cable storage spool as the second end of the fiber optic cable is pulled away from the housing; and
a fiber optic adapter receiving the first end of the fiber optic cable, the fiber optic adapter being rotatable with the cable storage spool about the axis as the fiber optic cable is paid out from the cable storage spool, the fiber optic adapter being configured to couple the first end of the fiber optic cable to a connectorized end of an optical fiber of a subscriber cable;
the fiber optic enclosure assembly having a locked configuration in which the cable storage spool is prevented from rotating relative to the housing and an unlocked configuration in which the cable storage spool is allowed to rotate relative to the housing, wherein the fiber optic enclosure assembly is configured to be set in the locked configuration independent of a position of the fiber optic adapter relative to the cable storage spool and independent of an amount of the fiber optic cable remaining on the cable storage spool.

US Pat. No. 10,712,517

CABLE SPOOL RE-ORIENTATION DEVICE FOR A WALL BOX

CommScope Technologies LL...

1. A telecommunications wall fixture comprising:a body configured for mounting to a wall surface or within a wall cavity, the body defining a mounting surface generally parallel to the wall when mounted;
a cable storage spool rotatably mounted to the body for storage and deployment of cable; and
a device for re-orienting the rotation axis of the spool from being generally perpendicular to the mounting surface to being generally non-perpendicular to the mounting surface, wherein the re-orientation device is removably mounted to the body.

US Pat. No. 10,712,515

CAPACITIVE-LOADED JUMPER CABLES, SHUNT CAPACITANCE UNITS AND RELATED METHODS FOR ENHANCED POWER DELIVERY TO REMOTE RADIO HEADS

CommScope Technologies LL...

1. A cellular base station power supply system comprising:a power supply; and
a power cabling connection, wherein the power cabling connection includes a power supply conductor, a return conductor, and a shunt capacitance unit coupled between the power supply conductor and the return conductor,
wherein the power supply is configured to supply first and second power signals to the power cabling connection, wherein the first power signal is a direct current (DC) power signal configured to supply power to a remote radio head that is mounted remotely from the power supply and coupled to a remote end of the power cabling connection, wherein the second power signal is an alternating current (AC) power signal configured to pass through the shunt capacitance unit, and wherein the power supply is configured to receive the AC power signal that passes through the shunt capacitance unit and measure at least one of a voltage level and a current level of the received AC power signal.

US Pat. No. 10,712,514

OPTICAL MODULE

InnoLight Technology (Suz...

1. An optical module, comprising:a housing; and
a main circuit board, an optical transmitting assembly, an optical receiving assembly, and an electrical connector that are disposed inside the housing,
wherein
one of the optical transmitting assembly and the optical receiving assembly comprises at least two sets of optoelectronic chips, an optical assembly, and an optical fiber receptacle, the at least two sets of optoelectronic chips in the one of the optical transmitting assembly and the optical receiving assembly being arranged in a stacked manner on planes parallel to a plane on which the main circuit board is located, and the optical assembly in the one of the optical transmitting assembly and the optical receiving assembly realizing optical path connections between the at least two sets of optoelectronic chips and the optical fiber receptacle;
the other one of the optical transmitting assembly and the optical receiving assembly comprises at least two sets of optoelectronic chips, an optical assembly, and an optical fiber receptacle, the at least two sets of optoelectronic chips in the other one of the optical transmitting assembly and the optical receiving assembly being arranged side-by-side on a plane parallel to the plane on which the main circuit board is located, and the optical assembly in the other one of the optical transmitting assembly and the optical receiving assembly realizing optical path connections between the optical fiber receptacle and the at least two sets of optoelectronic chips; and
the electrical connector electrically connects the optical transmitting assembly and/or optical receiving assembly to the main circuit board.

US Pat. No. 10,712,513

METHOD AND SYSTEM FOR TWO-DIMENSIONAL MODE-MATCHING GRATING COUPLERS

Luxtera, LLC, Wilmington...

14. A method for communication, the method comprising:in a photonic chip comprising a grating coupler at a surface of the photonic chip, the grating coupler having decreased scattering strength in a direction of light waves traveling through the grating coupler, the increased scattering strength caused by a transition of shapes of scatterers in the grating coupler:
receiving an optical signal from the surface of the photonic chip via the grating coupler; and
scattering the optical signal into a waveguide coupled to the grating coupler, the optical signal communicated in a direction parallel to the surface of the photonic chip.

US Pat. No. 10,712,512

FIBER OPTIC CONNECTOR ASSEMBLIES WITH CABLE BOOT RELEASE

Senko Advanced Components...

1. A fiber optic connector comprising:a push-pull clip,
said push-pull clip configured to actuate a connection device;
a housing comprising at least one ferrule and a back body;
a cable boot is secured to said push-pull clip;
and wherein said cable boot is configured to move longitudinally with respect to said back body; thereby, releasing said fiber optic connector from an adapter.

US Pat. No. 10,712,511

OPTICAL CONNECTOR WITH ONE-PIECE BODY

Senko Advanced Components...

1. A multi-fiber push-on optical connector comprising:a ferrule configured to house multiple optical fibers and including a stepped portion extending from at least one pair of opposing exterior surfaces of the ferrule;
a one-piece housing-backpost having a distal end in a connection direction and a proximal end in a cable direction and configured to receive a ferrule spring and the ferrule from the distal end; and
a clip positioned in the distal end of the housing-backpost to retain the ferrule in the housing-backpost, the clip including one or more protrusions retained within one or more sidewall apertures of the housing-backpost.

US Pat. No. 10,712,510

FIBER OPTIC FERRULE AND A GUIDE PIN CLAMP WITH FIELD CHANGEABLE GUIDE PINS

US Conec, Ltd, Hickory, ...

1. A fiber optic connector having field-changeable guide pins, comprising:at least one housing defining a passageway;
a fiber optic ferrule disposed at least partially within the passageway of the at least one housing of the fiber optic connector, the fiber optic ferrule having guide pin openings extending through the fiber optic ferrule from a front face to a rear face thereof to receive a field-changeable guide pin therein;
a pin clamp comprising a forward clamp portion, a rearward clamp portion and a guide pin retaining plate, wherein the forward clamp portion is configured to engage the rear face of the fiber optic ferrule, the forward clamp portion having two guide pin openings therethrough to receive a field-changeable guide pin in each of the two guide pin openings, and
wherein the rearward clamp portion is configured to engage a spring for biasing the fiber optic ferrule in the fiber optic connector and has two guide pin cavities to receive at least a portion of one of the field-changeable guide pins, and
wherein the guide pin retaining plate is disposed between the forward clamp portion and the rearward clamp portion, the guide pin retaining plate configured to engage a portion of each of the guide pins;
the spring disposed within the at least one housing and rearwardly of the pin clamp; and
a spring push engaging the spring and the connector housing to retain the spring and fiber optic ferrule within the connector housing.

US Pat. No. 10,712,509

ALIGNMENT ADAPTER AND ALIGNMENT DESIGN FOR A CONNECTOR THEREFOR

US Conec, Ltd, Hickory, ...

12. A ferrule holder comprising:a main body;
a single central opening in the main body and extending from a first end to a second end to retain a single fiber optic ferrule therein, the first end having an opening therein in communication with the central opening, the second end disposed opposite the first end and configured to receive optical fibers therethrough; and
a first projection on a first outside surface of the main body and a second projection on a second outside surface of the main body, the projections extending along a length of the main body at least partially in a front half of the main body, and wherein the first outside surface is a top surface, the second outside surface is a bottom surface and the main body also has two side surfaces, each of the surfaces having a width, the width of the top and bottom surfaces being smaller than the width of the two side surfaces; and
a single cantilevered latch attached to one of the top surface and the bottom surface rearwardly of and unconnected to the first projection and the second projection.

US Pat. No. 10,712,508

FIBER OPTIC END-FACE TRANSPARENT PROTECTOR SYSTEM AND METHOD

Ultra Communications, Inc...

1. An exposed optical fiber end protection device for facilitating high optical coupling efficiency between pairs of a plurality of optical fiber ends to be joined via mating of their respective mechanical optical couplers, comprising:a removable planar transparent tape of uniform thickness having a pre-sized shape to fit over a prospective multi-fiber ferrule face; and
pre-formed alignment openings disposed in the tape, positioned to align the tape to the prospective multi-fiber ferrule face and allow passage of prospective ferrule securing mechanisms through the alignment openings,
wherein, when applied to the prospective multi-fiber ferrule face, the tape flexibly conforms around exposed optical fiber ends in the ferrule face to prevent contamination of the exposed optical fiber ends and reduce Fresnel reflections, and
wherein the pre-sized shape of the removable planar transparent tape comprises a matching shape that substantially matches the prospective multi-fiber ferrule face and tabs that extend from a boundary of the matching shape.

US Pat. No. 10,712,507

FIELD CHANGEABLE FIBER OPTIC CONNECTOR POLARITY KEYING

US Conec, Ltd, Hickory, ...

1. A key to be disposed in a portion of a fiber optic connector housing comprising:a main body extending between a front end and a rear end;
a cantilevered portion extending from a central portion of the main body towards the front end;
first and second portions extending along of a portion of the cantilevered portion on opposite sides thereof;
a first latch on the cantilevered portion and having a surface facing the rear end of the key and to engage a forward facing surface in the portion of the fiber optic connector housing to prevent the key from moving rearwardly upon application of a rearward force to the key.

US Pat. No. 10,712,506

FIELD CHANGEABLE FIBER OPTIC CONNECTOR POLARITY KEYING WITH COLOR CODING

US Conec, Hickory, NC (U...

1. A fiber optic connector housing comprising:an inner connector housing having a top portion and a bottom portion connected by two side portions;
an outer connector housing surrounding at least a portion of the inner connector housing;
a key disposed in a recessed portion of the inner housing, the key having a front end and a rear end; and
a latch adjacent the front end of the key, the latch having a surface facing the rear end of the key and configured to engage a forward facing surface disposed in the recessed portion of the inner housing thereby preventing the key from moving rearwardly upon application of a rearward force.

US Pat. No. 10,712,505

OPTICAL FIBER CONNECTOR

PEGATRON CORPORATION, Ta...

1. An optical fiber connector configured for engaging with an external optical fiber connector, the optical fiber connector comprising:a fiber core;
a connector body having a first end portion and a second end portion, wherein the first end portion connects and fixes the fiber core, the second end portion is depressed inwardly to define a coupling space, and the external optical fiber connector is detachably plugged into the coupling space and coupled with the fiber core;
a coupling tube disposed in the connector body, wherein a portion of the coupling tube is located in the coupling space, and one end portion of the fiber core is permanently inserted and fixed in the coupling tube; and
at least a coupling holder disposed in the coupling space, and corresponding to the coupling tube,
wherein the other end portion of the fiber core is covered and fixed by, the connector body, the fiber core and the coupling tube are connected and disposed inside the connector body by coated injection, and the connector body the coupling holder, the coupling tube and the fiber core are directly integrated as one component during the manufacturing process.

US Pat. No. 10,712,504

HYBRID ELECTRICAL AND FIBER OPTIC OUTLET

COMMSCOPE TECHNOLOGIES LL...

1. A hybrid outlet system comprising:an electrical outlet coupled to an electrical system and configured to receive an electrical plug that is coupled to an electrically powered device;
a fiber optic adapter coupled to a fiber optic network and configured to receive a fiber optic connector that is coupled to a first end of an optical fiber, the second end of the optical fiber coupled to a telecommunication or data communication device; and
a single faceplate configured to provide plug coupling access to the electrical outlet and connector coupling access to the fiber optic adapter, the single faceplate including a forward face oriented parallel to a rearward face, the forward face presenting both the electrical outlet and the connector coupling in an orientation to receive the electrical plug and the fiber optic connector, respectively, in a direction transitioning along an axis from the forward face to the rearward face, the axis being perpendicular to the forward and rearward faces.

US Pat. No. 10,712,503

OPTICAL FIBER CONNECTOR FERRULE ASSEMBLY HAVING DUAL REFLECTIVE SURFACES FOR BEAM EXPANSION AND EXPANDED BEAM CONNECTOR INCORPORATING SAME

CUDOQUANTA FLORIDA, INC.,...

1. An expanded beam ferrule, comprising:a first ferrule halve having at least one first reflective surface;
a second ferrule halve having at least one second reflective surface, wherein the first ferrule halve and the second ferrule halve together retain at least one optical fiber sandwiched therebetween, and wherein the first reflective surface of the first ferrule halve reflects light between the optical fiber and the second reflective surface of the second ferrule halve, and
wherein the second reflective surface reflects light between the first reflective surface and exterior of the expanded beam ferrule.

US Pat. No. 10,712,502

PROBE FOR OPTICAL MEASUREMENT AND METHOD OF PRODUCING THE SAME

Shimadzu Corporation, Ni...

1. A method of producing a probe for optical measurement, comprising:providing two opposite holes in a cylindrical body sleeve having non-flexibility;
inserting an optical fiber in a ferrule such that one end of the optical fiber is exposed from one end of the ferrule and the other end side of the optical fiber is exposed from the other end of the ferrule;
inserting the ferrule into the body sleeve such that the body sleeve covers a part of the other end side of the optical fiber and the holes are positioned at a position which covers a part of the other end side of the optical fiber;
filling a material in a gap between the optical fiber and the body sleeve by sucking a gas from the holes while injecting the material having fluidity from an end portion of the body sleeve on the other end side of the optical fiber; and
solidifying the material in the gap and the holes.

US Pat. No. 10,712,501

GRATING-BASED BACKLIGHT EMPLOYING REFLECTIVE GRATING ISLANDS

LEIA INC., Menlo Park, C...

1. A grating-based backlight comprising:a light guide configured to guide a light beam at a non-zero propagation angle between a first surface and a second surface of the light guide; and
a plurality of reflective grating islands spaced apart from one another and optically coupled to the light guide, a reflective grating island of the plurality comprising a reflection mode diffraction grating configured to diffractively couple out a portion of the guided light beam as a coupled-out light beam,
wherein the coupled-out light beam is directed away from the first surface of the light guide at a predetermined principal angular direction.

US Pat. No. 10,712,500

SEMICONDUCTOR DEVICE AND MANUFACTURING METHOD OF THE SAME

TAIWAN SEMICONDUCTOR MANU...

1. A semiconductor device, comprising:a semiconductive substrate, wherein the semiconductive substrate includes an inter-layer dielectric (ILD);
a dielectric stack disposed over the semiconductive substrate to form a wall of a grating coupler opening; and
an etch stopper interfacing with two sublayers of the dielectric stack, wherein the etch stopper is surrounded by the dielectric stack along a direction different from a stacking direction of the dielectric stack, and the etch stopper has a resistance to a fluorine solution that is higher than that of the two sublayers.

US Pat. No. 10,712,499

SEMICONDUCTOR DEVICES AND METHODS OF FORMING SAME

GLOBALFOUNDRIES Inc., Gr...

1. A semiconductor device comprising:a photonic integrated circuit (PIC) chip;
an inductor positioned over the PIC chip, the inductor having first and second terminal ends, wherein the first terminal end is connected to the PIC chip; and
a transimpedance amplifier (TIA) chip positioned over the PIC chip and the inductor, the TIA chip having an input contact and an output contact, wherein the inductor is between the TIA chip and the PIC chip, the inductor comprising a body that extends beyond and is at least partially uncovered by the TIA chip, and wherein the input contact of the TIA chip is connected to the second terminal end of the inductor and the output contact of the TIA chip being distal from the inductor.

US Pat. No. 10,712,498

SHIELDING STRUCTURES BETWEEN OPTICAL WAVEGUIDES

GLOBALFOUNDRIES INC., Gr...

1. An optical waveguide device, comprising:a first optical waveguide core on an insulator layer;
a second optical waveguide core adjacent to the first optical waveguide core;
an upper insulator layer over the first optical waveguide core and the second optical waveguide core and directly contacting opposing sides of the first optical waveguide core and the second optical waveguide core; and
a shielding structure in the upper insulator layer with a portion of the upper insulator layer between the opposing sides of the first optical waveguide core and sidewalls of the shielding structure and between the opposing sides of the second optical waveguide core and the sidewalls of the shielding structure,
wherein the shielding structure comprises a reflective material in a trench in the upper insulator layer.

US Pat. No. 10,712,497

PHOTONIC INTEGRATED CIRCUIT PACKAGES AND METHODS OF MANUFACTURING THE SAME

Samsung Electronics Co., ...

1. A photonic integrated circuit package comprising:a substrate;
a first insulating layer on the substrate;
a photonic core layer on the first insulating layer;
a photonic coupling device in the photonic core layer, wherein the photonic coupling device comprises at least one of a grating coupler or a photodetector;
a second insulating layer on the photonic core layer, the second insulating layer having a first surface and a second surface opposite to the first surface; and
a concave mirror on the first surface of the second insulating layer and recessed into at least the second insulating layer toward the substrate on the second surface of the second insulating layer.

US Pat. No. 10,712,496

POSITIONING STRUCTURE, BACKLIGHT SOURCE, DISPLAY MODULE AND DISPLAY DEVICE

Boe Technology Group Co.,...

1. A positioning structure, applied to a backlight source comprising a light guide plate and an optical film, the positioning structure comprising a structural body, wherein the structural body comprises:a plurality of protruding structures spaced from each other, an end portion of each of the protruding structures adjacent to the light guide plate forming a contact positioning surface, and at least two contact positioning surfaces located in a same plane forming a first positioning surface for positioning an end surface of the light guide plate;
wherein the structural body is provided with a second positioning surface for positioning an end surface of the optical film of the backlight source, and the second positioning surface and the first positioning surface are located at different planes,
wherein the structural body further comprises a bottom surface, the contact positioning surfaces of the plurality of protruding structures are formed as a surface which is arranged on the bottom surface and closest to the light guide plate on the plurality of protruding structures protruding from the bottom surface, the plurality of protruding structures are formed as cylinders arranged on the bottom surface, and the cylinders extend in a direction perpendicular to the bottom surface, and the plurality of protruding structures formed as cylinders is arranged in rows on the bottom surface.

US Pat. No. 10,712,495

BACKLIGHT FRAME STRUCTURE AND DISPLAY DEVICE

BEIJING BOE CHATANI ELECT...

1. A backlight frame structure, comprising a backlight module and a frame disposed at a periphery of the backlight module, whereinthe backlight module comprises a light guide plate and a film covering a part of the light guide plate,
a side of the frame facing the backlight module comprises a first surface and a second surface, the first surface is opposite to the light guide plate, and the second surface is opposite to the film, and
the first surface of the frame has a plurality of grooves, the grooves are each recessed in a direction perpendicular to the first surface and are distributed in a direction parallel with the first surface,
the backlight frame structure further comprising a light source disposed on a side of the light guide plate in a direction perpendicular to the frame, wherein the light source comprises a light bar, wherein
the grooves are spaced from each other in such a manner that a distribution density of the grooves is increased or decreased in a direction away from the light source.

US Pat. No. 10,712,494

BACKLIGHT MODULE AND DISPLAY DEVICE

Wuhan China Star Optoelec...

1. A backlight module, comprising:a backplate;
a reflective plate disposed on the backplate;
a light guiding plate disposed on the reflective plate;
an optical film disposed on the light guiding plate;
a supporting block detachably attached to an edge portion of the backplate, the supporting block provided for supporting a liquid crystal box which is to be integrally assembled with the backlight module;
a light bar provided between the light guiding plate and the supporting block;
a light bar circuit board electrically connected with the light bar for controlling illumination of the light bar;
the supporting block attached to the edge portion of the backplate though an adhesive;
the light bar circuit board disposed on the edge portion of the backplate, and the supporting block disposed on the light bar circuit board;
the supporting block and the backplate cooperatively forming a semi-closed chamber, wherein the reflective plate, the light guiding plate, the optical film, the light bar, and the light bar circuit board are disposed in the chamber; and
the reflective plate disposed on an inner surface of the backplate.

US Pat. No. 10,712,493

DISPLAY APPARATUS

Samsung Display Co., Ltd....

1. A display apparatus comprising:a light source generating light;
a display panel receiving the light from the light source and comprising a display area displaying an image and a non-display area disposed adjacent to the display area, the display area and the non-display area being defined on a plane surface defined by a first direction and a second direction crossing the first direction;
a first optical sheet and a second optical sheet disposed under the display panel; and
a light guide plate disposed under the first optical sheet and the second optical sheet,
wherein each of the first optical sheet and the second optical sheet comprising:
a body portion overlapped with the display area; and
a wing portion connected to one side portion of the body portion in the first direction to overlap with a portion of the non-display area,
wherein a length of the wing portion of the first optical sheet in the second direction is shorter than a length of the wing portion of the second optical sheet in the second direction, and the wing portion of the first optical sheet is entirely overlapped with the wing portion of the second optical sheet; and
wherein the light guide plate is formed of a same material and formed in one piece, the light guide plate comprising:
a light guide portion overlapped with the display area; and
an assembling portion connected to one side surface of the light guide portion in the first direction and overlapped with the wing portion.

US Pat. No. 10,712,492

OPERATING DEVICE

Sony Interactive Entertai...

1. An operating device comprising:a first light-emitting area provided on a front surface of the operating device;
a first light-transmitting member that is formed with a material that transmits light and that makes up the first light-emitting area;
a second light-emitting area provided on an upper surface of the operating device, where the front surface and the upper surface are transverse to one another;
a second light-transmitting member that is formed with a material that transmits light and that makes up the second light-emitting area;
a light source; and
a light guide member adapted to guide light of the light source to the first light-transmitting member and the second light-transmitting member,
wherein the light guide member includes
a first guide section arranged behind the first light-transmitting member to guide light to the first light-transmitting member, and
a second guide section that extends upward beyond a position of the first light-transmitting member toward the second light-transmitting member, and
wherein light exiting upward and diagonally backward from the second light-emitting area is brighter than light exiting upward and diagonally forward from the second light-emitting area.

US Pat. No. 10,712,491

DISPLAY

Chiun Mai Communication S...

1. A display comprising:a backlight module; and
a cooling module, wherein the cooling module comprises a cooling member and a buffer member, the cooling member is a flat sheet composed of heat-dissipation material, the cooling member is positioned on a surface of the backlight module, the buffer member is made of soft material with adhesiveness and with elasticity, the buffer member is directly adhered on the cooling member through the adhesiveness of the buffer member, to fix the cooling member to the backlight module.

US Pat. No. 10,712,490

BACKLIGHT HAVING A WAVEGUIDE WITH A PLURALITY OF EXTRACTION FACETS, ARRAY OF LIGHT SOURCES, A REAR REFLECTOR HAVING REFLECTIVE FACETS AND A TRANSMISSIVE SHEET DISPOSED BETWEEN THE WAVEGUIDE AND REFLECTOR

RealD Spark, LLC, Beverl...

1. A directional backlight comprising:a waveguide comprising first and second, opposed guide surfaces for guiding light along the waveguide, an input surface extending between the first and second guide surfaces for receiving input light, and a reflective end for reflecting input light from the light sources back along the waveguide;
an array of light sources arranged at different input positions along the input surface of the waveguide and arranged to input the input light into the waveguide,
wherein the first guide surface is arranged to guide light by total internal reflection and the second guide surface has a stepped shape comprising a plurality of extraction facets oriented to reflect input light from the light sources, after reflection from the reflective end, through the first guide surface as output light, and intermediate regions between the facets that are arranged to guide light along the waveguide, the waveguide being arranged to image the light sources so that the output light is directed into respective optical windows in output directions that are distributed laterally in dependence on the input positions of the light sources;
a rear reflector comprising a linear array of reflective facets arranged to reflect light from the light sources, that is transmitted through the plurality of facets of the waveguide, back through the waveguide to exit through the first guide surface; and
a transmissive sheet arranged between the rear reflector and the second guide surface of the waveguide.

US Pat. No. 10,712,489

LIGHT-EMITTING MODULE AND DISPLAY APPARATUS

BOE Technology Group Co.,...

1. A light emitting module, comprising: a light emitting unit and a light guide plate; whereinthe light guide plate comprises a first plate surface and a second plate surface opposite to each other, and a plurality of side surfaces connecting the first plate surface and the second plate surface; and the light emitting unit is close to a target side surface of the plurality of side surfaces, and is configured to emit light from the target side surface to the light guide plate;
the first plate surface has a plurality of target convex ridges disposed in sequence along a direction away from the light emitting unit, and a length direction of the target convex ridge is parallel to the target side surface; each of the target convex ridges is configured to totally reflect light emitted from the target side surface to the light guide plate to the second plate surface from a target ridge surface, away from the light emitting unit, of each target convex ridge;
wherein, in the direction away from the light emitting unit, target ridge surfaces of the plurality of target convex ridges are flat surfaces, and angles between the target ridge surfaces and a thickness direction of the light guide plate tend to decrease.

US Pat. No. 10,712,488

SCREEN FOR A FREE AND A RESTRICTED VIEWING MODE

siOPTICA GmbH, Jena (DE)...

1. An illuminating apparatus for a screen that can be used in at least two operating modes, B1 for a free viewing mode and B2 for a restricted viewing mode, comprising:a backlight of planar extension that radiates light in a restricted angular range;
a plate-shaped light guide that is located in front of the backlight as seen in the viewing direction and is provided with outcoupling elements on at least one of its large surfaces and/or within its volume, wherein the light guide is transparent to at least 70% of the light emitted by the backlight;
light sources arranged laterally at edges of the light guide;
wherein a number of outcoupling elements per surface area and their extension are selected such that the light guide, on at least 50% of its surface, has an average haze value of less than 7%, measured according to ASTM D1003, whereby the light radiated by the backlight at least in B2 mode in the restricted angular range is only negligibly, if at all, scattered at angles outside the angular range when the light radiated by the backlight passes the light guide;
wherein in mode B2 the backlight is switched on and the light sources are switched off, whereas in mode B1 at least the light sources are switched on;
and a distribution of the outcoupling elements on at least one of the large surfaces and/or within the volume of the light guide is specified in such a way that light irradiated by the light sources into the light guide and coupled out of the light guide by the outcoupling elements satisfies the following conditions:
least 30% of a quantity of light outcoupled at one of the large surfaces in an angular range between ?50° and +50° relative to a normal to the large surface is radiated in an angular range between ?20° and +20° with respect to a surface normal to the large surface and relative to one or two specified preferred directions that are perpendicular to each other and to the surface normal, and/or at least 40% of the quantity of light outcoupled at one of the large surfaces in an angular range between ?50° and +50° relative to the normal to the large surface is radiated in an angular range between ?30° and +30° relative to the one or two preferred directions, and
at least 50% of the quantity of light coupled out of the light guide is coupled out in a direction leading away from the backlight.

US Pat. No. 10,712,487

PHASE DIFFERENCE FILM AND PRODUCTION METHOD FOR THE SAME

ZEON CORPORATION, Chiyod...

1. A phase difference film formed of a resin containing a polymer having crystallizability, the phase difference film having an NZ factor of less than 1, and further having an in-plane retardation Re, a thickness-direction retardation Rth, and a thickness d that satisfy a relationship of Re?10 nm and Rth/d??5×10?3.

US Pat. No. 10,712,486

OPTICAL STACK HAVING REFLECTIVE POLARIZER WITH POLYMERIC LAYERS AND SPECIFIED REFLECTANCE AND TRANSMITTANCE

3M INNOVATIVE PROPERTIES ...

1. An optical stack, comprising:a first reflective polarizer having a first pass axis and an orthogonal first block axis and comprising a first plurality of alternating polymeric layers having a first f-ratio, the first reflective polarizer having a first average visible light reflectance for light polarized along the first block axis at normal incidence of at least 90 percent and a first average visible light transmittance for light polarized along the first pass axis at normal incidence of at least 85 percent; and
a second reflective polarizer proximate the first reflective polarizer, the second reflective polarizer having a second pass axis and an orthogonal second block axis and comprising a second plurality of alternating polymeric layers having a second f-ratio, the second reflective polarizer having a second average visible light reflectance for light polarized along the second block axis at normal incidence, the second average visible light reflectance being no more than the first average visible light reflectance minus 10 percent,
wherein the second f-ratio is different from the first f-ratio and the second pass axis is not parallel to the first pass axis.

US Pat. No. 10,712,485

COMPOSITE OPTICAL COATING ON A CURVED OPTICAL SURFACE

Facebook Technologies, LL...

1. A method comprising:generating a linear polarized light using an illumination system;
illuminating an entire surface of a photoalignment material at once with the linear polarized light, the linear polarized light forming a pattern in the photoalignment material that is deposited on a spherically curved optical surface, the pattern comprising a spatially varying optical pattern with a plurality of curved latitudes, a first pole and a second pole on the spherically curved optical surface; and
applying a liquid crystal layer to the pattern on the spherically curved optical surface to form a first optical layer, the liquid crystal layer including liquid crystal molecules oriented in one or more directions that are determined by the pattern.

US Pat. No. 10,712,484

MULTILAYER FILM, USE THEREOF, AND PRODUCTION METHOD THEREOF

ZEON CORPORATION, Chiyod...

1. A multilayer film comprising: a first long-length substrate; and an optically anisotropic layer containing cured liquid crystal molecules, the optically anisotropic layer being directly disposed on a surface of the first substrate, whereinthe first substrate consists of a support body having one or more layers,
the surface of the first substrate has a surface tension of 35 to 45 mN/m and an orientation-regulation force generated by stretching, and
the optically anisotropic layer has a slow axis along approximately the same direction as an orientation direction of the first substrate by the stretching.

US Pat. No. 10,712,483

PHOTOSENSITIVE COMPOSITIONS, QUANTUM DOT POLYMER COMPOSITE PATTERN PREPARED THEREFROM, AND ELECTRONIC DEVICES INCLUDING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A photosensitive composition comprising:a plurality of quantum dots, wherein the quantum dot comprises an organic ligand bound to a surface of the quantum dot, and wherein the organic ligand comprises RCOOH, RNH2, R2NH, R3N, RSH, R3P, ROH, RCOOR?, RPO(OH)2, R2POOH (wherein R and R? are each independently a C5 to C24 aliphatic hydrocarbon group or a C6 to C20 aromatic hydrocarbon group), a polymeric organic ligand, or a combination thereof;
a binder;
a photopolymerizable monomer comprising a carbon-carbon double bond; and
a photoinitiator,
wherein the binder comprises a multiple aromatic ring-containing polymer comprising a carboxylic acid group and a main chain comprising a backbone structure incorporated in the main chain, wherein the backbone structure comprises a quaternary carbon atom, which is a part of a cyclic group, and two aromatic rings bound to the quaternary carbon atom, wherein the backbone structure of the multiple aromatic ring-containing polymer comprises a structural unit represented by Chemical Formula 1:

wherein in Chemical Formula 1,
* indicates a portion linked to an adjacent atom of the main chain of the binder,
Z1 is a linking moiety represented by any one of Chemical Formulae 1-1 to 1-6, wherein in Chemical Formulae 1-1 to 1-6, and
* indicates a portion linked to an aromatic moiety:

wherein in Chemical Formula 1-5,
Ra is hydrogen, —C2H5, —C2H4Cl, —C2H4OH, —CH2CH?CH2, or a phenyl group,

wherein the multiple aromatic ring-containing polymer has an acid value of greater than or equal to about 50 milligrams of KOH per gram of the polymer,
wherein the plurality of quantum dots are dispersed in the binder in the photosensitive composition, and are configured to have a quantum yield of greater than or equal to about 60% as measured with irradiation of an excitation light,
wherein the photosensitive composition is a colloidal dispersion having a dispersed phase with a dimension of less than or equal to about 1 micrometer, and
wherein an amount of the plurality of quantum dots including the organic ligand is greater than 5 weight percent based on a total amount of the composition.

US Pat. No. 10,712,482

DISPLAY DEVICE

BOE TECHNOLOGY GROUP CO.,...

1. A display device, comprising: a display panel, and a grating layer arranged inside or outside of the display panel,wherein the display panel comprises a plurality of pixels of a first color, a plurality of pixels of a second color and a plurality of pixels of a third color arranged in an array, and the grating layer comprises a grating region of the first color corresponding to the pixels of the first color, a grating region of the second color corresponding to the pixels of the second color, and a grating region of the third color corresponding to pixels of the third color,
wherein along a longitudinal direction of the display device, from a center of the display device to both sides of the display device, a grating period of the grating region of the first color, a grating period of the grating region of the second color, and a grating period of the grating region of the third color respectively decrease gradually, and
wherein along a lateral direction of the display device, from the center of the display device to both sides of the display device, the grating period of the grating region of the first color, the grating period of the grating region of the second color, and the grating period of the grating region of the third color respectively decrease gradually.

US Pat. No. 10,712,481

FABRICATING OF DIFFRACTION GRATING BY ION BEAM ETCHING

Facebook Technologies, LL...

1. A method for fabricating a diffraction grating, the method comprising:generating an ionized gas;
passing the ionized gas through a gating structure to selectively direct the ionized gas toward a substrate;
injecting an etchant gas into the directed gas, the etchant gas different from the directed gas; and
exposing a surface of the substrate to the directed gas and the injected etchant gas to form grating structures on the surface of the substrate.

US Pat. No. 10,712,480

LIGHT EMITTING DEVICE FOR EMITTING DIFFUSE ULTRAVIOLET LIGHT

Sensor Electronic Technol...

1. A device, comprising:a set of radiation sources configured to emit radiation; and
a diffusive layer located adjacent to the set of radiation sources, wherein the diffusive layer includes a plurality of reflective regions formed of a reflective material, and a plurality of at least partially transparent regions, wherein the plurality of at least partially transparent regions are at least 30% transmissive.

US Pat. No. 10,712,479

WAVELENGTH MULTIPLEXING DEVICE

Institute for Basic Scien...

1. A wavelength multiplexing device comprising:a two-dimensional material layer made of a semiconductor material, which is electrically grounded;
an elongate metal nano-structure having first and second opposing longitudinal ends, wherein the first and second longitudinal ends thereof are spaced from the two-dimensional material layer, and the elongate metal nano-structure is partially disposed on the two-dimensional material layer;
a light source configured to irradiate a first light with a first wavelength onto the first longitudinal end region of the metal nano-structure;
a semiconductor substrate having an insulating film formed thereon, wherein the two-dimensional material layer is disposed on the insulating film; and
a voltage applicator configured to apply a voltage to the semiconductor substrate,
wherein when the first light is irradiated on the first longitudinal end region of the metal nano-structure, surface plasmon polaritons are generated in the first longitudinal end region, wherein the surface plasmon polaritons and the first light are coupled with each other to form first coupled surface plasmon polaritons, wherein the first coupled surface plasmon polaritons propagate along and on a surface of the metal nano-structure,
wherein when the first coupled surface plasmon polaritons reach the two-dimensional material layer, excitons are induced in the two-dimensional material layer, wherein the induced excitons and the first coupled surface plasmon polaritons are coupled with each other to form second coupled surface plasmon polaritons, wherein the second coupled surface plasmon polaritons propagate along and on a surface of the metal nano-structure toward the second longitudinal end thereof,
wherein the voltage applicator is configured to adjust an amount of the induced excitons by the voltage applied to the semiconductor substrate, and
wherein the second coupled surface plasmon polaritons are decoupled at the second longitudinal end of the metal nano-structure into a second light with a second wavelength.

US Pat. No. 10,712,478

FRESNEL LENS WITH FLAT APEXES

Facebook Technologies, LL...

1. A display device, comprising:one or more light emitting devices; and
a Fresnel lens with a first lens surface and a second lens surface that is opposite to the first lens surface, the first lens surface including at least one portion of a Fresnel surface profile, the at least one portion of the Fresnel lens surface profile defining a plurality of truncated Fresnel structures, the second lens surface being positioned toward the one or more light emitting devices so that the Fresnel lens being coupled with the one or more light emitting devices; wherein:
each truncated Fresnel structure of the plurality of truncated Fresnel structures corresponds to a respective slope facet, a respective draft facet, and a respective flat apex surface located between the respective slope facet and the respective draft facet;
the plurality of truncated Fresnel structures includes a first truncated Fresnel structure with a first flat apex surface; and
the first flat apex surface and a respective baseline of the first truncated Fresnel structure define a first angle having a first value so that light from the one or more light emitting devices impinging on a slope facet of the first truncated Fresnel structure is directed to a first direction and light from the one or more light emitting devices impinging on the first flat apex surface is directed to a second direction that is distinct from the first direction.

US Pat. No. 10,712,477

LENS STRUCTURE FORMED BY MATERIALS IN DIFFERENT REFRACTIVE INDEXES

CONCRAFT HOLDING CO., LTD...

1. A lens structure formed by materials in different refractive indexes, comprising a sphere, a first lens and a separation layer, wherein the sphere is transparent, is provided with a first refractive index, and is a round ball formed by a first portion and a second portion which is connected with the first portion, with that the second portion is equipped with a first light condensing effect; the first lens is transparent and is provided with a second refractive index which is different from the first refractive index of the sphere, with that the first lens is formed on the first portion of the sphere, the second portion of the sphere is protruded out of the first lens, and the first lens is provided with a first light absorption curve opposite to the first portion of the sphere; and the separation layer is disposed between the first portion of the sphere and the first lens, and is provided with a transparent section opposite to the first light absorption curve and a non-transparent section which is formed at a periphery of the transparent section, with that when a light beam passes through the second portion of the sphere to form the first light condensing effect and then enter the sphere, the light beam passes through the transparent section to enter the first lens, and then passes through the first light absorption curve to form a second light condensing effect.

US Pat. No. 10,712,476

GAS BARRIER FILM AND WAVELENGTH CONVERSION FILM

FUJIFILM Corporation, To...

1. A gas barrier film with a light diffusion layer comprising:a support;
a combination of an inorganic layer and an organic layer which is an underlying base of the inorganic layer on a first surface of the support; and
a light diffusion layer that is on a second surface of the support opposite to the first surface side and contains a binder in which a light diffusion agent is dispersed,
wherein the binder contains
a first component which is a graft copolymer having an acryl polymer as a main chain and at least one of an acryloyl group-terminated urethane polymer or an acryloyl group-terminated urethane oligomer as a side chain,
a second component having an acryl polymer as a main chain and methacrylate as a side chain, and
a third component which is a graft copolymer having an acryl polymer as a main chain and at least one of a polycarbonate group-terminated urethane polymer or a polycarbonate group-terminated urethane oligomer as a side chain, and
the light diffusion agent is silicone resin particles.

US Pat. No. 10,712,475

MULTI-LAYER THIN FILM STACK FOR DIFFRACTIVE OPTICAL ELEMENTS

Lumentum Operations LLC, ...

1. An optical element, comprising:a substrate;
a first anti-reflectance structure for a particular wavelength range formed on the substrate;
at least one layer disposed on a fractional portion of the first anti-reflectance structure; and
a second anti-reflectance structure for the particular wavelength range formed on the at least one layer,
wherein a depth between a first surface of the first anti-reflectance structure and a second surface of the second anti-reflectance structure, a first index of refraction of the first anti-reflectance structure, a second index of refraction of the second anti-reflectance structure, and a third index of refraction of the at least one layer are selected to form a diffractive optical element associated with a particular phase delay for a particular wavelength included in the particular wavelength range,
wherein the second index of refraction is different from the third index of refraction, and
wherein the first anti-reflectance structure includes two or more layers with a corresponding index of refraction that is different from each other.

US Pat. No. 10,712,473

WEATHER DATA PROCESSING APPARATUS AND METHOD USING WEATHER RADAR

KABUSHIKI KAISHA TOSHIBA,...

1. A weather data processing apparatus comprising:a storage configured to store three-dimensional data of a cumulonimbus, the three-dimensional data indicative of an arrangement of three-dimensional vertices with density information indicative of a density of raindrops of the cumulonimbus, as weather data, observed by a weather radar; and
a processor,
the processor being configured to:
acquire the three-dimensional data from the storage;
execute a selection process of selecting core vertices from the arrangement of the three-dimensional vertices, based on each of reference parameters of the lowest density of a core part and the lowest altitude of a vertex of the cumulonimbus in the arrangement of three-dimensional vertices;
execute a group distinction process of generating a group of the core vertices selected by the selection process, by grouping vertices with mutually intersecting spheres by using radius of the spheres as a parameter;
calculate a center point and an axis of each of groups created by the group distinction process, by executing the principal component analysis process; and
execute a display process for effecting image display of an ellipsoidal image taking the center point as a center and including the core vertices converted to a coordinate system including the axis, as an image of a core of the cumulonimbus.

US Pat. No. 10,712,472

METHOD AND SYSTEM FOR FORMING AND USING A SUBSURFACE MODEL IN HYDROCARBON OPERATIONS

ExxonMobil Upstresm Resea...

1. A method for generating and using a subsurface model for a subsurface region in hydrocarbon operations comprising:obtaining a global model representing a subsurface region;
simulating deformations of the global model to generate global deformation results;
obtaining one or more local models, wherein each of the one or more local models are associated with a subregion in the global model and wherein obtaining the each of the one or more local models comprises:
identifying a zone in the subsurface model for fracture characterization;
creating a multi-layer model for the identified zone;
applying macromechanical geological loads to the multi-layer model;
obtaining boundary conditions for each of the one or more local models based on the global deformation results;
simulating deformations of each of the one or more local models based on the macromechanical geological loads to generate local deformation results, wherein the local deformation results include fracture characterizations for the each of the one or more local models and wherein simulating the multi-layer model based on the macromechanical geological loads comprises performing one or more loading steps, wherein each loading step comprises:
(i) solving one or more conservation of linear momentum equations associated with the zone;
(ii) determining if the solution for the conservation of linear momentum equations for any of the mesh elements in the multi-layer model exceed a fracture initiation or propagation criterion;
(iii) if the solution for all of the mesh elements does not exceed the fracture initiation or propagation criterion, continue to step (v);
(iv) if the solution for any one of the mesh elements exceeds the fracture initiation or propagation criterion, the method further comprises:
a. selecting the mesh element associated with the solution that exceeds the fracture initiation or propagation criterion by the largest absolute value as the mesh element to fracture;
b. determining a fracture surface direction in the mesh element to be fractured based on fracture growth direction criteria;
c. calculating one or more level set values based on the fracture surface direction;
d. determining sub regions for the mesh element based on the one or more level set values; and
e. repeating to step (i) using the determined sub regions to represent the mesh element; and
(v) storing the fracture characterization results for the loading step; and
outputting one of the local deformation results, the global deformation results, and any combination thereof.

US Pat. No. 10,712,471

METHODS AND SYSTEMS FOR SEISMIC MODELING USING MULTIPLE SEISMIC SOURCE TYPES

LANDMARK GRAPHICS CORPORA...

1. A method for targeted seismic exploration of a geologic formation, the method comprising:reading, by a computer system, data from at least one source file for a seismic simulation to be performed, wherein the at least one source file describes characteristics of the geologic formation based on an initial exploratory survey, a plurality of input source wavelets that define a variety of excitation types and injection properties for different seismic source types, and characteristics of at least two seismic source types, the plurality of input source wavelets including a Ricker wavelet, and the characteristics of each seismic source type including an amplitude and a relative location of that seismic source type with respect to the geologic formation;
simulating, by the computer system, different seismic wave propagation scenarios with a concurrent propagation of seismic signals from the at least two seismic source types through the geologic formation to a plurality of seismic receivers, wherein each of the seismic wave propagation scenarios is based on a different combination of the plurality of input source wavelets and the at least two seismic source types;
generating a seismic output file including a three-dimensional array representing a response of the simulated seismic signals from the at least two seismic source types as a function of time and location with respect to the geologic formation;
selecting a location for a detailed seismic survey of the geologic formation to be performed, based on the response of the simulated seismic signals on the geologic formation as represented by the three-dimensional array in the generated seismic output file; and
performing the detailed seismic survey at the selected location.

US Pat. No. 10,712,470

STREAMER CLEANING APPARATUS AND ASSOCIATED SYSTEMS AND METHODS

PGS Geophysical AS, Oslo...

1. A streamer cleaning apparatus comprising:a housing comprising an inlet configured to receive a streamer and an outlet configured to dispatch the streamer, wherein the housing comprises a plurality of struts that extend from the inlet to the outlet, wherein the plurality of struts comprise tabs;
spring loaded arms coupled to the tabs; and
scraper lamellas coupled to the housing and biased by the spring loaded arms, wherein each of the scraper lamellas comprises a plate, the scraper lamellas being arranged in the housing to form an opening to receive the streamer.

US Pat. No. 10,712,469

METHOD FOR OPTIMIZING THE WORKING OF A DEPOSIT OF FLUID BY TAKING INTO ACCOUNT A GEOLOGICAL AND TRANSITORY EXCHANGE TERM BETWEEN MATRIX BLOCKS AND FRACTURES

IFP Energies nouvelles, ...

1. A method for optimizing working of a deposit of fluid represented in a model of a reservoir which is traversed by a network of fractures, in which the deposit is discretized into a set of meshes by using known information characterizing the network of fractures allowing defining of porous blocks and fractures within the set of meshes, comprising:a) determining a stream of transitory exchanges between the porous blocks and the fractures in each mesh by using software executed on a computer to perform the steps of:
i) determining a geological and transitory shape function Iv determined by using information characterizing the network of fractures, wherein the information being used for determination of the transitory shape function Iv is by rules which include:
the information type for each mesh involves dimensions (a, b and c) of at least one equivalent block and the shape function Iv is determined by performing the steps of:
formulating an invasion function V(x) as a function of the block dimensions of at least one equivalent block,
calculating S(x) which is a total surface of an exchange front calculated by the formula:
S(x)=?V(x)/?x
calculating analytically the shape function Iv by a relationship
in order to obtain a relationship IV(X)=f(a,b,c,X), where X is a distance of advance of the exchange front within the porous blocks; andii) calculating the stream of transitory exchanges fp by using the shape function Iv and the stream of transitory exchanges fp being calculated by a relationship: fp=CPmp??p, with C being a geometric coefficient defined by C=?A·?B·?C·IV(X), ?A, ?B, ?C are dimensions of the meshes, ??p is a potential difference and Pmp is a property relating to fluids and to an environment of a matrix;
b) simulating flows of fluids and the stream of transitory exchanges between the porous blocks and fractures based on the geological and transitory shape function Iv determined at step a) as two continuous exchanges of fluids in the deposit with a flow simulator implemented by software executed on a computer; and
c) working the deposit by using the flow simulation carried out at step b) of the flows of fluids by the flow simulator to produce fluids from the deposit including choosing configurations for working the reservoir including choosing at least one of location of at least one of production and injection wells, type of tools that are used, fluids that are used and determining production forecasts, production patterns, and maximum production profit; and
the known information for each mesh corresponds to dimensions (a, b and c in three directions) of a single equivalent block and the shape function Iv is determined by:
the at least one equivalent block is of anisotropic permeability kx, ky and kz along axes of the at least one equivalent block, dimensions of an equivalent isotropic block a?, b? and, c? of permeability k? that is equivalent to the anisotropic block in terms of streams of exchanges by a unit of volume of the matrix are determined from the permeabilities kx, ky and kz and the dimensions a, b and c, and the shape function is determined from the dimensions a?, b? and c?, and IV(X)=f(a,b,c,X) or IV (X)=f(a?,b?,c?,X), with a, b and c being the dimensions of the equivalent block, and X corresponds to a distance of advance for the exchange front within the porous block and for fixed mesh dimensions ?A, ?B and ?C, the formula of Iv(X) is a function of a, b, and c or a?, b? and c? with a derivative for the invaded volume S(x)=V?(x) being expressed as a polynomial function of x.

US Pat. No. 10,712,468

DEVICE AND METHOD FOR DETECTING AN ARTICLE

ZIRCON CORPORATION, Camp...

7. Method for detecting an object arranged behind an article that is transparent to an electromagnetic radiation, wherein a coil arrangement with a first transmitting coil and a first receiving coil arranged orthogonally to the first transmitting coil is provided and wherein the coil arrangement forms a sensor for detecting the object on a relative movement between the device and the article,wherein the first transmitting coil is driven with a signal and wherein an output signal of the sensor influenced by this signal is evaluated,
wherein the first transmitting coil and at least one further transmitting coil are arranged orthogonally to one another and wherein the first transmitting coil and the at least one further transmitting coil are equally spaced apart from the first receiving coil and are driven with a periodic alternating voltage signal as transmitting coils,
wherein axes of the first transmitting coil and of the at least one further transmitting coil lie in a plane of the first receiving coil and of at least one further receiving coil as receiving coils,
wherein electromagnetic fields emitted by the transmitting coils as a result of the periodic alternating voltage signal during a first half-period of the periodic alternating voltage transmitting signal, are each directed in the direction of the first receiving coil and during the second half-period of the periodic alternating voltage transmitting signal, are each directed away from the first receiving coil,
wherein the first receiving coil is connected and operated in series with the at least one further receiving coil, and
wherein an electromagnetic field which permeates the coil arrangement, generates mutually opposingly directed voltages in the first receiving coil and in the at least one further receiving coil,
wherein the transmitting coils and the receiving coils are configured and operated in such a way, that
the axis of the first transmitting coil and the axis of the at least one further transmitting coil intersect an axis of the first receiving coil orthogonally,
the axes of the first transmitting coil and of the at least one further transmitting coil lie in a plane in which the first receiving coil and the at least one further receiving coil are arranged.

US Pat. No. 10,712,467

UNDERGROUND UTILITY LINE DETECTION

CABLE DETECTION LIMITED, ...

1. A mobile detection device for an evaluation of a location information from the device to one or more occluded utility lines according to an alternating magnetic field emanated at the utility lines, the mobile detection device comprising:at least two magnetic detector units arranged in a defined spacing with respect to each other, which are comprising detection coils for providing an electrical detection signal according to the alternating magnetic field;
a spectral analyzing unit built to derive a spectral signature of the electrical detection signal from at least one of the detector units;
a communication interface configured to transmit the spectral signature by a data link to a server, at which server a matching unit derives an identification of a type or class of one or more utility lines by comparing the spectral signature to a database of signatures of a plurality of known utility lines and generating a utility line identification information, and configured to receive the utility line identification information from the server;
an electronic signal evaluation unit built for deriving the location information according to a difference in the electrical signals from the at least two magnetic detector units; and
a visualisation unit built for charting the one or more utility lines with the utility line location information and providing the utility line identification information,
wherein the electronic signal evaluation unit comprises a calibration unit providing a self-calibration of the detector units, with a calibration signal generator for applying an electrical calibration signal at one of the detector units or portions thereof.

US Pat. No. 10,712,466

CASING THICKNESS MEASUREMENT USING ACOUSTIC WAVE CORRELATION

Halliburton Energy Servic...

1. A method comprising:disposing a tool in a wellbore;
directing an acoustic signal towards a well casing in the wellbore, the acoustic signal generated by an acoustic transmitter of the tool;
accessing a measured waveform associated with an acoustic signal returned via the well casing based on operating an acoustic receiver of the tool within the wellbore comprising the well casing;
comparing the measured waveform to a plurality of model waveforms, wherein each of the plurality of model waveforms corresponds to a different thickness of the well casing;
determining, by operation of data processing apparatus, a thickness of the well casing based on results of comparing the measured waveform and the plurality of model waveforms; and
assessing damage to the well casing based on the determined thickness of the well casing.

US Pat. No. 10,712,465

SYSTEM FOR AUTOMATICALLY ATTACHING AND DETACHING SEISMIC NODES DIRECTLY TO A DEPLOYMENT CABLE

SEABED GEOSOLUTIONS B.V.

1. A method of attaching a plurality of seismic nodes to a deployment line, comprising:positioning a plurality of seismic nodes next to a deployment line being deployed from a marine vessel; and
attaching the plurality of seismic nodes to the deployment line by coupling a portion of the deployment line to at least one direct attachment mechanism on each of the plurality of seismic nodes.

US Pat. No. 10,712,464

WIDE SOURCE SEISMIC TOWING CONFIGURATION

1. A method for acquiring seismic data, comprising:towing an array of marine seismic streamers coupled to a vessel, wherein the array comprises a plurality of lead-in cables and streamers, and the plurality of lead-in cables comprises an innermost lead-in cable and an outermost lead-in cable with respect to a center line of the vessel, and wherein each of the plurality of lead-in cables is towed at an offset to the center line of the vessel; and
towing a plurality of source cables and one or more seismic sources such that the one or more seismic sources are positioned entirely between the innermost lead-in cable and the outermost lead-in cable, wherein the plurality of source cables are configured to cross over at least one of the plurality of lead-in cables, wherein the at least one of the plurality of the lead-in cables is disposed at a greater depth than the source cables or seismic sources and wherein the seismic sources are disposed between 50 and 500 meters apart from the center line of the vessel.

US Pat. No. 10,712,463

SEISMIC DATA ACQUISITION WITH VARYING DISTANCE BETWEEN SEISMIC VESSELS

ION Geophysical Corporati...

1. A method for acquiring seismic data, comprising:operating a first seismic vessel towing at least one seismic streamer comprising a plurality of seismic sensors; and
operating a second seismic vessel towing at least one seismic source;
wherein the first seismic vessel follows a first seismic acquisition line and the second seismic vessel follows a second seismic acquisition line that is offset from the first seismic acquisition line; and
during acquisition of the seismic data, adjusting a speed of the first seismic vessel to achieve a desired in-line distance between the first seismic vessel and the second seismic vessel according to a first predefined distance function;
wherein the first seismic vessel is configured to travel at a variable velocity following the first seismic acquisition line to adjust the in-line distance from the second seismic vessel following the second seismic acquisition line that is offset from the first seismic acquisition line; and
wherein the in-line distance is reduced from a first distance to a second distance during a first time period and increased from the second distance to the first distance in a second time period.

US Pat. No. 10,712,462

METHOD AND SYSTEM FOR WAVEFIELD SEPARATION OF SONIC DATA USING CROSS-CORRELATION

SCHLUMBERGER TECHNOLOGY C...

1. A method for wavefield separation of sonic data, the method comprising:estimating direct phases of waveforms of sonic data observed with two or more sensors by using cross-correlation of waveform traces at adjacent sensor locations;
removing the direct phases from the observed waveforms; and
extracting event signals from the waveforms after removing the direct phases;
wherein the direct phases of waveforms are approximated by polynomial fitting.

US Pat. No. 10,712,461

PRESTACK SEPARATING METHOD FOR SEISMIC WAVE

CHINA UNIVERSITY OF GEOSC...

1. A prestack separating method for a seismic wave to determine true wave vector directions comprising:receiving, by a three-component receiver, at a surface above a multi-layer underground medium, at a certain time window, a P-wave, a S1-wave and a S2-wave of the seismic wave, wherein the P-wave was reflected from a first interface of the multi-layer underground medium, the S1-wave and the S2-wave were reflected from a second interface of the multi-layer underground medium, wherein the first interface is deeper than the second interface relative to the surface
projecting, by the three-component receiver, the P-wave, the S1-wave and the S2-wave into a Z-R-T coordinate system, such that all the projections appear on the three-component receiver at the surface, wherein the Z-R-T coordinate system comprises a Z coordinate, a R coordinate, and a T coordinate, wherein projecting the P-wave, the S1-wave, and the S2-wave into the Z-R-T coordinate system generates a projection matrix, wherein the Z coordinate is a vertical component, the R coordinate is a component of a source-to-receiver azimuth and the T coordinate is a component orthogonal to a direction of the R coordinate, and wherein the projection matrix satisfies equation:

wherein P is a vector of the P-wave, S1 is a vector of the S1-wave, and S2 is a vector of the S2-wave, eZ is a base vector of a direction of the Z coordinate, eR is a base vector of the direction of the R coordinate, and eT is a base vector of a direction of the T coordinate, PZ is an amplitude of the P-wave on the Z coordinate, S1Z is an amplitude of the S1-wave on the Z coordinate, and S2Z is an amplitude of the S2-wave on the Z coordinate, PR is an amplitude of the P-wave on the R coordinate, S1R is an amplitude of the S1-wave on the R coordinate, S2R is an amplitude of the S2-wave on the R coordinate, PT is an amplitude of the P-wave on the T coordinate, S1T is an amplitude of the S1-wave on the T coordinate, and S2T is an amplitude of the S2-wave on the T coordinate;
forming, by the three-component receiver, a composite vector from the P vector, the S1 vector, and the S2 vector, wherein the composite vector satisfies equation:
A(composite)=Z(composite)+R(composite)+T(composite),wherein A(composite) is the composite vector, Z(composite) is a vector of the composite vector in the direction of the Z coordinate, R(composite) is a vector of the composite vector in the direction of the R coordinate, and T(composite) is a vector of the composite vector in the direction of the T coordinate wherein Z(composite), R(composite) and T(composite) satisfy equation:
transforming, by the three-component receiver, the composite vector to an anisotropic wave vector matrix, comprising an anisotropic wave, wherein the anisotropic wave vector matrix satisfies equation:

wherein eP is a base vector of the P-wave, eS1 vector is a base vector of the S1-wave, and eS2 vector is a base vector of the S2-wave,
wherein cos(eP,eZ) is a cosine of an angle between the eP vector and the eZ vector, cos(eP,eR) is a cosine of an angle between the eP vector and the eR vector, cos(eP,eT) is a cosine of an angle between the eP vector and the eT vector, cos(eS1,eZ) is a cosine of an angle between the eS1 vector and the eZ vector, cos(eS1,eR) is a cosine of an angle between the eS1 vector and the eR vector, cos(eS1,eT) is a cosine of an angle between the eS1 vector and the eT vector, cos(eS2,eZ) is a cosine of an angle between the eS2 vector and the eZ vector, cos(eS2,eR) is a cosine of an angle between the eS2 vector and the eR vector, and cos(eS2,eT) is a cosine of an angle between the eS2 vector and the eT vector; and
performing, by the three-component receiver, a rotation transformation of an affine coordinate system on the anisotropic wave vector matrix to generate a wave separation matrix, wherein the wave separation matrix satisfies equation:

wherein P(pure) is a vector of the P-wave of the seismic wave, S1(pure) is a vector of the S1-wave of the seismic wave, and S2(pure) is a vector of the S2-wave of the seismic wave, wherein directions of the P(pure) vector, the S1(pure) vector, and the S2(pure) vector are the true wave vector directions,
wherein the true wave vector directions of the S1-wave of the seismic wave and the S2-wave of the seismic wave are separated from the true wave direction of the P-wave of the seismic wave, and wherein the true wave vector directions of the S1-wave of the seismic wave and the S2-wave of the seismic wave are utilized to predict fracture parameters of the multi-layer underground medium.

US Pat. No. 10,712,460

SYSTEM AND METHOD FOR IMPROVING RESOLUTION OF DIGITAL SEISMIC IMAGES

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

1. A computer-implemented method of seismic imaging, comprising:a. receiving, at a computer processor, a seismic dataset representative of a subsurface volume of interest and an earth model;
b. decomposing the seismic dataset into a set of data sub-sets based on a decomposition function wherein the decomposition function is a function of time or depth and is one of a function of extracting maximum amplitudes of seismic traces in the seismic dataset, a function of extracting instantaneous amplitudes of seismic trace in the seismic dataset, or a function of calculated travel times by ray-tracing in the earth model;
c. imaging each data sub-set using the earth model to generate a set of image sub-sets; and
d. combining the set of image sub-sets based on a criterion to create a high resolution seismic image.

US Pat. No. 10,712,459

FREQUENCY-BASED HORIZON INTERPRETATION BASED ON SEISMIC DATA

Saudi Arabian Oil Company...

1. A computer-implemented method, comprising:receiving, by a data processing apparatus, seismic data of a subterranean region, the seismic data comprising a plurality of frequency components and having a frequency bandwidth spanning a spectrum in a frequency domain, wherein the seismic data is obtained from a seismic survey conducted of the subterranean region;
identifying a target horizon based on the seismic data, the target horizon being a horizon to be picked based on the seismic data, the horizon representing a seismic reflector between two geological layers in the subterranean region;
determining a single frequency from the frequency bandwidth of the seismic data that gives rise to a predetermined continuity along the target horizon;
filtering the plurality of frequency components of the seismic data into the single frequency, thereby generating mono-frequency seismic data, the mono-frequency seismic data comprising a single-frequency component at the single frequency;
identifying a horizon corresponding to the target horizon based on the mono-frequency seismic data; and
outputting the identified horizon corresponding to the target horizon for determining geological features of the subterranean region based on the identified horizon.

US Pat. No. 10,712,458

SEISMIC SURVEYS WITH OPTICAL COMMUNICATION LINKS

MAGSEIS FF LLC, Houston,...

1. A system to perform a seismic survey in a marine environment, comprising:a seismic data acquisition unit placed on a seabed in the marine environment, the seismic data acquisition unit including a first clock;
an extraction vehicle to establish an optical communications link with the seismic data acquisition unit, the extraction vehicle including a second clock, a transmitter, and a data processing system to:
transmit, via the transmitter, to the seismic data acquisition unit, a reference pulse based on the second clock;
syntonize, via the optical communications link, based on the transmitted reference pulse, a frequency of the first clock of the seismic data acquisition unit to a frequency of the second clock prior to the seismic data acquisition unit entering a low power state;
receive a signal generated by the first clock from the seismic data acquisition unit responsive to syntonization of the frequency of the first clock to the frequency of the second clock, the signal indicating that the frequency of the first clock is syntonized with the frequency of the second clock;
instruct the seismic data acquisition unit to enter the low power state responsive to receipt of the signal from the seismic data acquisition unit, the seismic data acquisition unit configured to exit the low power state and acquire seismic data in an operational state;
receive, from the seismic data acquisition unit, the seismic data acquired by the seismic data acquisition unit in the operational state;
measure a timing variation of a plurality of timestamps of the seismic data applied by the first clock in response to the seismic data received from the seismic data acquisition unit;
produce a time variation function based on the measured timing variation, the time variation function configured to indicate a time offset and a frequency offset between the first clock and the second clock; and
adjust the seismic data comprising the plurality of timestamps applied by the first clock using the time variation function to remove timing errors from the seismic data.

US Pat. No. 10,712,457

MICROFABRICATION TECHNOLOGY FOR PRODUCING SENSING CELLS FOR MOLECULAR ELECTRONIC TRANSDUCER BASED SEISMOMETER

Arizona Board of Regents ...

1. A sensing element comprising:a housing defining a channel;
a first electrochemical cell including a first anode, a first cathode, and a first dielectric spacer between the first anode and the first cathode, the first electrochemical cell being located in the channel;
a second electrochemical cell including a second anode, a second cathode, a second dielectric spacer between the second anode and the second cathode, and a third dielectric spacer, the second electrochemical cell being located in the channel;
a fluid throughhole extending through the first electrochemical cell and the second electrochemical cell, wherein a first diameter between a first portion of the first anode and a second portion of the first anode is at least as wide as a second diameter between a first portion of the third dielectric spacer and a second portion of the third dielectric spacer;
an electrolyte in the channel; and
a circuit generating an output signal based on a comparison of cathode currents in the first electrochemical cell and the second electrochemical cell,
wherein the first dielectric spacer is dimensioned to create a recess in the fluid throughhole between the first anode and the first cathode, and wherein a third diameter between a third portion of the first anode and a fourth portion of the first anode is greater than a fourth diameter between a first portion of the second cathode and a second portion of the second cathode.

US Pat. No. 10,712,455

STRUCTURED DETECTORS AND DETECTOR SYSTEMS FOR RADIATION IMAGING

Minnesota Imaging and Eng...

1. A radiation detector module comprising:a scintillator element configured to generate optical signals in response to incident radiation;
a photodetector coupled to at least a first surface of the scintillator element, the photodetector configured to convert the optical signals into output characterizing the radiation; and
an acoustic array coupled to at least a second surface of the scintillator element, the acoustic array configured to convert acoustic signals generated in the scintillator element into output characterizing an acoustic energy deposited therein.

US Pat. No. 10,712,454

X-RAY DETECTORS SUPPORTED ON A SUBSTRATE HAVING A METAL BARRIER

General Electric Company,...

1. An X-ray detector assembly comprising:a polymeric substrate having a lower surface and an upper surface;
an X-ray detector disposed on said upper surface of said polymeric substrate, said X-ray detector comprising:
a thin-film-transistor array disposed on said polymeric substrate;
an organic photodiode disposed on said thin-film-transistor array; and
a scintillator disposed on said organic photodiode;
a metal barrier extending substantially over said lower surface of said polymeric substrate;
wherein said metal barrier extends continuously over an entire lower surface of said polymeric substrate, peripherally-extending edges of said polymeric substrate, and peripherally extending upper edge portion of said polymeric substrate.

US Pat. No. 10,712,453

DETECTION ELEMENT

DAI NIPPON PRINTING Co., ...

1. A detection element comprising:a substrate having a through hole;
an insulating layer arranged inside of the through hole;
a through electrode arranged further to the inner side of the through hole than the insulating layer;
a resin layer having insulating properties and having an opening portion exposing the through electrode;
a first electrode arranged above or below the through electrode and an outer surface of the resin layer, the first electrode being connected to the through electrode through the opening portion; and
a second electrode arranged above or below the outer surface of the resin layer, the second electrode being separated from the first electrode;
wherein a part of the resin layer is in contact with the through electrode,
the first electrode and the second electrode protrude outward more than the outer surface of the resin layer,
side surfaces of the first electrode and the second electrode are exposed from the resin layer,
the through hole overlaps with the opening portion in planar view, and
an outline of the through hole surrounds an outline of the opening portion in planar view.

US Pat. No. 10,712,452

LOCATION DETERMINATION METHOD AND SYSTEM

Geomoby Pty Ltd, Scarbor...

1. A method of determining a location of a mobile device having both a module that is part of a terrestrial-based location system and a module that is part of a satellite-based global positioning system, said method comprising:(i) establishing a connection between the mobile device and a remote system;
(ii) receiving a determined location from the mobile device over the established connection;
(iii) determining a type of location determining module to be used by the mobile device in the further location determination;
(iv) sending a message from the remote system to the mobile device the message comprising a location module type datum representing the determined type of location determining module to be next used by the mobile device;
wherein the method further comprises calculating a time period before a further location determination is to be made by the mobile device and sending in the message from the remote system to the mobile device a time period datum representing the calculated time period before after which the determined type of location determining module is to be next used by the mobile device.

US Pat. No. 10,712,451

ANOMALY DETECTOR FOR SELF-LOCATION ESTIMATION DEVICE AND VEHICLE

HITACHI CONSTRUCTION MACH...

1. An anomaly detector for a self-location estimation device that is installed in a vehicle and estimates a self-location defined by an absolute coordinate system, the anomaly detector comprising:a first feature-point coordinate calculation section that,
based on output from a first measuring device that measures a location of its own vehicle relative to each feature point in a feature point group on a surrounding structure around a road surface on which the vehicle travels, the feature point group being lined along a travel direction,
acquires coordinates of the each feature point expressed in a coordinate system of the first measuring device, and
uses the self-location to convert the coordinates into an external coordinate system in order to calculate first coordinates;
a feature-point trajectory generation section that generates, based on the first coordinates, a trajectory defined by the external coordinate system of the feature point group;
a second feature-point coordinate calculation section that,
based on output from a second measuring device that measures a location of its own vehicle relative to each feature point in the feature point group of the surrounding structure, the feature point being located, in the travel direction, rearward of the feature point measured by the first measuring device, at a measurement time of the first measuring device,
acquires coordinates of the feature point located rearward in the travel direction, the coordinates being expressed in a coordinate system of the second measuring device, and
uses the self-location to convert the coordinates into an external coordinate system in order to calculate second coordinates; and
an anomaly determination section that determines that anomaly occurs in the self-location estimation device if a deviation between the second coordinates and the trajectory of the feature point group defined by the external coordinate system exceeds a threshold established to deem that the second coordinates are on the trajectory.

US Pat. No. 10,712,450

INTELLIGENT SATELLITE EXCLUSION FOR MULTIPATH MITIGATION BASED ON LINE OF SIGHT

Honeywell International I...

1. A method of operating a global navigation satellite system receiver, the method comprising:receiving a plurality of signals from a plurality of satellites at a vehicle with the global navigation satellite system receiver;
using at least one controller in,
determining at least a measurement from and location of each satellite based on the received plurality of signals;
determining an approximate vehicle velocity vector based on the received plurality of signals;
determining a dot product between a line of sight between each satellite and a vehicle having the receiver and the determined vehicle velocity vector;
removing each measurement associated with each determined dot product that is below a minimum dot product threshold to obtain a resultant set of measurements;
determining a geometric reliability factor of the resultant set of measurements;
decreasing the dot product minimum threshold when the determined geometric reliability factor is more than a defined maximum geometric reliability factor threshold; and
determining a position solution based on the resultant set of measurements.

US Pat. No. 10,712,449

METHOD AND APPARATUS FOR WIRELESS COMMUNICATION IN WIRELESS COMMUNICATION SYSTEM

Samsung Electronics Co., ...

9. A first terminal in a wireless communication system, the first terminal comprising:a transceiver; and
a controller configured to
transmit, to a base station via the transceiver, assistance information associated with a semi-persistent scheduling (SPS), the assistance information including period information, timing offset information and message size information,
receive, from the base station via the transceiver, configuration information for configuring a plurality of SPSs,
receive, from the base station via the transceiver, a third message including downlink control information (DCI) for activating at least one of the plurality of the SPSs, and
transmit, to a second station via the transceiver, data based on the configuration information and the DCI.

US Pat. No. 10,712,448

REAL-TIME CORRELATION OF SENSED POSITION DATA WITH TERRESTRIAL FEATURES

Freeport-McMoRan Inc., P...

1. A method of correlating sensed position data with terrestrial features, the sensed position data comprising sensed position points, the terrestrial features being located by terrestrial data, comprising:receiving the sensed position data from a position sensing system operatively associated with a moveable object;
selecting a reduced set of snap point candidates from the terrestrial data based on a sensed position point, wherein said selecting comprises:
referencing a two-dimensional grid comprising a plurality of intersecting lines that define vertices at intersection points of the intersecting lines, the two-dimensional grid being defined by a coordinate system that corresponds to a coordinate system for locating the terrestrial features;
identifying a vertex of the two-dimensional grid that is nearest to the sensed position point;
defining a search area based on the identified vertex;
selecting as a set snap point candidates all snap points in the terrestrial data that are within the defined search area; and
selecting as the reduced set of snap point candidates all snap point candidates in the set of snap point candidates that are within a predetermined distance from the sensed position point;
choosing a best snap point candidate from among the reduced set of snap point candidates based on a plurality of predictive variables and corresponding weighting factors for each snap point candidate in the reduced set of snap point candidates; and
snapping the sensed position point to the best snap point candidate to produce a snapped position point, wherein said selecting, said choosing, and said snapping are performed in substantially real time so that said method correlates the sensed position data from the moveable object with terrestrial features in substantially real time.

US Pat. No. 10,712,447

WIRELESS DEVICE HAVING LOW SUSCEPTIBILITY TO STATIC ELECTRICITY

CASIO COMPUTER CO., LTD.,...

1. A wireless device comprising:a circuit board;
a communicator disposed on the circuit board;
a casing accommodating the circuit board and the communicator and having a through-hole in a side face;
an antenna element disposed on the exterior of the casing;
a feeder extending through the through-hole in the casing and feeding electrical power from the communicator to the antenna element at a predetermined feeding position; and
a ground terminal extending through the through-hole in the casing and electrically connecting the circuit board to the antenna element at a ground position of the antenna element at a predetermined distance from the feeding position.

US Pat. No. 10,712,446

REMOTE SENSING FOR DETECTION AND RANGING OF OBJECTS

Apple Inc., Cupertino, C...

1. A system for sensing objects, the system comprising:a light source;
a camera;
a light source timing circuit to generate light pulses using the light source;
an exposure window timing circuit to generate multiple exposure windows for the light pulses for the camera, each of the multiple exposure windows representing a corresponding first range of distance from the camera, the exposure window timing circuit generating a signal to control an opening and a closing of a camera exposure window of the camera according to the multiple exposure windows, each exposure window of the multiple exposure windows having a delayed opening for a period of time following a corresponding light pulse of the light pulses being emitted, the period of time being associated with a photon collection zone within a field of view of the camera, each exposure window opening at a first time corresponding to a first edge of the photon collection zone and closing at a second time corresponding to a second edge of the photon collection zone, the first edge being adjacent to a near-range blanking region and the second edge being adjacent to a far-range blanking region; and
a range determination circuit to process an indication of an amount of light captured at the camera during the opening of the camera exposure window for each of the multiple exposure windows to determine a presence of at least one object within a second range of distance from the camera, the second range having lower uncertainty than the first range.

US Pat. No. 10,712,445

METHOD FOR DETECTING AT LEAST ONE PARKING SPACE FOR A VEHICLE

Robert Bosch GmbH, Stutt...

1. A method comprising:sensing objects in an environment of the vehicle using at least one sensor of the vehicle, the driving-environment sensor transmitting signals that the objects reflects as echo signals received by the at least one sensor;
identifying parking-space-delimiting objects of the sensed objects by evaluating the echo signals, wherein the evaluating includes classifying the parking-space-delimiting objects through characteristic structures of the echo signals;
based on the classification of the parking-space-delimiting objects, determining a quality of a parking space defined by the parking-space-delimiting objects; and
recognizing the parking space as a possible parking space for the vehicle responsive to the quality of the parking space being at least a threshold value,
wherein the characteristic structures of the echo signals include hyperbolic structures obtained by plotting a position of the at least one sensor at a time of the sensing relative to an object distance determined from a propagation time of the echo signals, wherein the hyperbolic structures are used to classify the parking-space-delimiting objects.

US Pat. No. 10,712,442

INTEGRATED RADIO-FREQUENCY CIRCUIT, RADAR SENSOR AND OPERATING METHOD

Robert Bosch GmbH, Stutt...

1. A radar sensor, comprising:at least two cascaded integrated radio-frequency circuits, each of the radio-frequency circuits including a respective clock input designed to receive a respective clock signal produced externally to the integrated radio-frequency circuit, a respective local oscillator designed to produce a respective local radio-frequency signal, a respective radio-frequency input designed to receive a respective external radio-frequency signal produced externally to the integrated radio-frequency circuit, and a respective changeover switch coupled to the respective local oscillator and to the respective radio-frequency input, and designed to change over between the respective local radio-frequency signal and the respective external radio-frequency signal for the production of a respective radar signal; and
a control device set up to control the changeover respective switches of the radio-frequency circuits;
wherein a first one of the radio-frequency circuits is configured to produce and evaluate radar signals in a first frequency range, and a second one of the radio-frequency circuits, different from the first one of the radio-frequency circuits, is configured to produce and evaluate radar signals in a second frequency range different from the first frequency range.

US Pat. No. 10,712,441

SYNTHETIC APERTURE RADAR

MITSUBISHI ELECTRIC CORPO...

1. A synthetic aperture radar comprising:processing circuitry
to acquire observation data including reception signals of radio waves that are transmitted to an observation object from a moving platform and reflected by the observation object, transmission/reception times of the radio waves, and information indicating positions and attitudes of the platform;
to calculate information on a difference between a planned trajectory and an actual trajectory of the platform for each of the transmission/reception times of the radio waves on a basis of the acquired observation data;
to determine whether or not motion compensation is necessary for each of the reception signals of the radio waves on a basis of the calculated information on the difference;
to perform a motion compensation process on the reception signals of the radio waves for which motion compensation is determined to be necessary; and
to perform an image generation process on the reception signals of the radio waves on which the motion compensation process is performed and on the reception signals of the radio waves on which the motion compensation process is not performed in accordance with a result of the determination, to generate a synthetic aperture radar image of the observation object.

US Pat. No. 10,712,440

ARRAY SYSTEM FOR THE CHARACTERIZATION OF AN OBJECT

Palo Alto Research Center...

1. An apparatus comprising:an antenna comprising a first steerable array, a second steerable array, a third steerable array, and a fourth steerable array, the antenna to:
transmit, via the first steerable array, a first signal at a first angle of transmission toward a first portion of a first object;
transmit, via the second steerable array, a second signal at a second angle of transmission toward the first portion of the first object;
transmit, via the third steerable array, a third signal at the second angle of transmission toward the first portion of the first object;
transmit, via the fourth steerable array, a fourth signal at a third angle of transmission toward the first portion of the first object; and
receive a reflection of the first signal, the second signal, the third signal, and the fourth signal off of the first portion of the first object; and
a processing device coupled to the antenna, the processing device to determine a digital representation corresponding to a structure of the first portion of the first object in view of the reflection of the first signal, the second signal, the third signal, and the fourth signal.

US Pat. No. 10,712,439

METHOD FOR DETERMINING A DISTANCE BETWEEN A VEHICLE AND AN IDENTIFIER

1. A method for measuring a distance separating a vehicle and an identifier for accessing and starting the vehicle, the vehicle and the identifier being synchronized, the method comprising:transmitting, from the vehicle to the identifier, a first train of N first sinusoidal signals with identical amplitudes and with regularly spaced respective frequencies fp, P?[1;N];
receiving, by the identifier, an image train of N second sinusoidal signals corresponding to the N first sinusoidal signals, wherein the N second sinusoidal signals comprise phases and amplitudes that are altered from the N first sinusoidal signals by transmission from the vehicle to the identifier;
generating, by the identifier, measurements of the phases and the amplitudes of the N second sinusoidal signals;
transmitting the measurments of the phases and the amplitudes of the N second sinusoidal signals, from the identifier to the vehicle;
transmitting, from the identifier to the vehicle, a second train of N third sinusoidal signals that are identical to the N first sinusoidal signals of the first train;
receiving, by the vehicle from the identifier, a second image train corresponding to the second train altered by transmission from the identifier to the vehicle;
constructing a frequency spectrum based on the measurements of the phases and the amplitudes transmitted to the vehicle and the second image train received by the vehicle, wherein the frequency spectrum is constructed by detecting spectral lines of the first image train and the second image train;
performing, by a computer processor, an inverse Fourier transform of the frequency spectrum to obtain a temporal signature;
determining, by the computer processor, an intermediate time associated with a maximum of the temporal signature; and
calculating by the computer processor, the distance on the basis of the intermediate time.

US Pat. No. 10,712,438

RADAR USING PERSONAL PHONE, TABLET, PC FOR DISPLAY AND INTERACTION

Honeywell International I...

1. A radar system comprising:a transmit array comprising a plurality of transmit antenna elements;
radar transmitter electronics in signal communication with the transmit array, wherein the radar transmitter electronics, in conjunction with the transmit array, are configured to output a frequency modulation continuous wave (FMCW) transmit beam that illuminates an area with a greater extent in a first illumination direction than in a second illumination direction,
wherein the second illumination direction is substantially perpendicular to the first illumination direction, and
wherein the transmit beam is fixed in the first illumination direction and the second illumination direction;
a receive array comprising a plurality of receive antenna elements;
radar receiver electronics operable to:
receive a plurality of receive signals from the receive array; and
processing circuitry operable to:
digitally form a receive beam from the plurality of receive signals;
determine one or more characteristics of a sub-area of the area illuminated by the fixed FMCW transmit beam, wherein the sub-area is within the receive beam;
establish communication with an external mobile computing device via an application program interface (API), wherein the communication comprises:
output a signal to the mobile computing device, wherein the signal comprises:
target detection information in three dimensions;
target movement characteristics, including relative velocity and angular velocity; and
receive inputs via the API to control one or more functions of the radar system.

US Pat. No. 10,712,437

RADAR SYSTEMS AND METHODS UTILIZING COMPOSITE WAVEFORMS FOR CUSTOMIZATION OF RESOLUTION REQUIREMENTS

Veoneer US, Inc., Southf...

1. A radar system for a host vehicle comprising:one or more signal generators configured for generating a composite linear frequency modulated continuous waveform formed by combining different component waveforms; and
a detector for detecting reflected signals from the composite waveform and determining velocity and distance measurements of a target relative to the host vehicle;
wherein the first and second component waveforms are selected such that the composite waveform is able to simultaneously meet two different sets of resolution requirements with respect to at least one of: (i) the velocity measurement of the target vehicle relative to the host vehicle and (ii) the distance measurement of the target vehicle relative to the host vehicle; and
wherein each of the different sets of resolution requirements is pre-selected for a different detection scenario.

US Pat. No. 10,712,436

WIRELESS FISH FINDER SENSOR HOLDER

1. An apparatus, comprising:a sensor holder, adapted to float with a bobbing action when partially submerged in a liquid while maintaining an air pocket within a first open holder end, and, configured with a liquid-tight seal adapted to removably retain an electronic sensor within a second holder end when the second holder end is submerged in the liquid; and,
a float rod, slidably retained by the sensor holder and, adapted to allow the sensor holder when partially immersed in liquid to float with a substantially vertical bobbing action along the longitudinal axis of the rod as the liquid level varies, maintaining the air pocket within the first open holder end while the second holder end is submerged in the liquid.

US Pat. No. 10,712,435

DISTANCE MEASURING DEVICE AND DISTANCE MEASURING METHOD

Kabushiki Kaisha Toshiba,...

1. A distance measuring device that calculates a distance on a basis of carrier phase detection, the distance measuring device comprising a calculating section configured to calculate, on a basis of phase information acquired by a first device and a second device, at least one of which is movable, a distance between the first device and the second device, whereinthe first device includes:
a first reference signal source; and
a first transceiver configured to transmit three or more first carrier signals having frequencies different from one another and receive three or more second carrier signals respectively having frequencies substantially same as the frequencies of the three or more first carrier signals using an output of the first reference signal source,
the second device includes:
a second reference signal source configured to operate independently from the first reference signal source; and
a second transceiver configured to transmit the three or more second carrier signals and receive the three or more first carrier signals using an output of the second reference signal source, and
the calculating section calculates the distance by a phase calculation using a phase detection result obtained by reception of the first and second carrier signals having a substantially same frequency and corrects the calculated distance on a basis of at least one information of information concerning an amplitude ratio of the first carrier signals received by the second transceiver and information concerning an amplitude ratio of the second carrier signals received by the first transceiver.

US Pat. No. 10,712,433

COMPACT CHIP SCALE LIDAR SOLUTION

TEXAS INSTRUMENTS INCORPO...

1. A system, comprising:a transceiver configured to:
generate light; and
receive reflected light, the transceiver comprising a pulse shaper configured to pulse shape the generated light;
a collimating lens optically coupled to the transceiver and arranged to:
receive the pulse-shaped light; and
transmit a collimated light;
a wedge prism configured to direct the collimated light in a direction based on a position of the wedge prism.

US Pat. No. 10,712,432

TIME-OF-LIGHT-BASED SYSTEMS USING REDUCED ILLUMINATION DUTY CYCLES

ams Sensors Singapore Pte...

1. A time-of-flight system comprising:a light source operable to emit light toward a target;
a detector array operable to detect light signals reflected by the target; and
a control unit coupled to the light source to modulate the light source such that the light source emits light pulses having falling edges which exponentially decay from peak values of the light pulses and rising edges which are similarly shaped to the falling edges, wherein the light pulses each have a compression in a range of 1.1-1.9 such that the light pulses have a duty cycle of less than 50% and include a portion of 0 intensity after the falling edge and before the rising edge of a subsequent light pulse,
wherein the control unit also is coupled to the detector array and is operable to coordinate modulation of the light source with sampling of pixels in the detector array so as to provide synchronous demodulation.

US Pat. No. 10,712,431

SYSTEMS AND METHODS FOR REFRACTIVE BEAM-STEERING

1. A light detection and ranging (LIDAR) apparatus, comprising:a polygon deflector comprising a plurality of facets;
a motor rotatably coupled to the polygon deflector, the motor configured to rotate the polygon deflector about a first axis orthogonal to a first plane; and
an optic positioned within an interior of the polygon deflector, the optic configured to collimate a first beam incident on a particular facet of the plurality of facets, the particular facet of the plurality of facets configured to refract the first beam in the first plane between a first angle and a second angle as the polygon deflector rotates about the first axis to output a second beam, the polygon deflector has a duty cycle greater than fifty percent, the duty cycle based on a duration that the polygon deflector refracts the first beam relative to a duration that the polygon deflector is rotated.

US Pat. No. 10,712,429

RADAR DEVICE AND SIGNAL PROCESSING METHOD

FUJITSU TEN LIMITED, Kob...

1. A radar device configured to derive information on a target existing in a surrounding area of a vehicle which is equipped with the radar device on the basis of reception signals each of which is obtained by receiving a reflected wave which is obtained by reflection of a transmission wave transmitted to the surrounding area, from the target, the radar device comprising:a determining unit configured to determine whether the target is an upper object, on the basis of an integrated value of a reception level of each of the reception signals from the target obtained a plurality of times while the vehicle is within a predetermined distance from the object, and an integrated value of ground velocity of the target obtained the plurality of times while the vehicle is within the predetermined distance from the object.

US Pat. No. 10,712,428

RADAR DEVICE AND TARGET DETECTING METHOD

DENSO TEN LIMITED, Kobe ...

1. A radar device for detecting a target based on a frequency-modulated transmission wave and reflected waves of the transmission wave from the target, comprising:a processor programmed to:
extract peaks corresponding to the target based on beat signals which are differential waves between the transmission wave and the reflected waves;
generate instantaneous values corresponding to the peaks based on the extracted peaks; and
generate a target data item corresponding to the instantaneous values by performing chronological filtering on the generated instantaneous values, by assigning a plurality of instantaneous values to an assignment range corresponding to one target data item based on individual elements included in the instantaneous values.

US Pat. No. 10,712,427

SYSTEMS AND METHODS FOR ALLOCATING ANTENNA RESOURCES

Raytheon Company, Waltha...

1. A system for arbitrating a signal processing (SP) request the system comprising:an interface block configured for receiving and processing a requested SP state to identify for a first SP channel information regarding (i) signal processing resources required and (ii) state priority, based on a first state table associated with the first SP channel, the first state table defining information for each of a plurality of states for the first SP channel including at least information regarding signal processing resources required and state priority information; and
an arbiter block configured to receive the identified information for the first SP channel regarding the signal processing resources required and the state priority and based thereon arbitrating as between a current state and a requested state;
wherein the interface block is further configured determine whether a blank input automatically overrides the requested SP state;
wherein the first state table further defines blank susceptibility information for each of the plurality of states for the first SP channel and wherein the first state table is used to determine blank susceptibility information for the requested SP state; and
wherein the interface block further includes blanking logic for comparing the blank input relative to the blank susceptibility information for the requested SP state.

US Pat. No. 10,712,425

COGNITIVE DENOISING OF NONSTATIONARY SIGNALS USING TIME VARYING RESERVOIR COMPUTER

HRL Laboratories, LLC, M...

9. A computer implemented method for signal denoising, the method comprising an act of:causing a cognitive signal processor having a reservoir computer to execute instructions encoded on a non-transitory computer-readable medium, such that upon execution, the cognitive signal processor perform operations of:
receiving a nonstationary, time-varying noisy input signal comprising a time-series of data points from a mixture of waveform signals;
using the RC, linearly mapping the noisy input signal into a time-varying reservoir, wherein the time-varying reservoir is a recurrent neural network;
using the time-varying reservoir, generating a high-dimensional state-space representation of the mixture of waveform signals by combining the noisy input signal with a plurality of reservoir states, wherein each reservoir state corresponds to a response to a time-varying filter in a set of time-varying filters;
applying a phase delay embedding technique to each reservoir state to obtain a history of reservoir state dynamics, resulting in a plurality of delay-embedded states
wherein the time-varying reservoir is obtained by applying a distinct reservoir state transition matrix for each delay-embedded state; and
generating a denoised signal corresponding to the nonstationary, time-varying noisy input signal.

US Pat. No. 10,712,424

GEOLOCATION SYSTEM, AND AN ASSOCIATED AIRCRAFT AND GEOLOCATION METHOD

AIRBUS HELICOPTERS, Mari...

1. A geolocation system for calculating the current coordinates at least in longitude and in latitude of the current position of an aircraft, the geolocation system comprising:at least two mutually distinct ground stations suitable for transmitting radio signals at predetermined frequencies, such ground stations comprising a first ground station transmitting the radio signals at at least one first predetermined frequency and a second ground station transmitting the radio signals at at least one second predetermined frequency;
at least two reception antennas comprising a first reception antenna and a second reception antenna both suitable for receiving the radio signals, the at least two reception antennas having a degree of freedom to move in rotation relative to a fixed airframe of the aircraft;
an analysis unit for analyzing the radio signals, the analysis unit being connected to the reception antennas and serving to determine at least two transmission directions of the radio signals, such transmission directions comprising firstly a first transmission direction corresponding to a first straight line passing through the current position of the aircraft and also through the first ground station, and a second transmission direction corresponding to a second straight line passing through the current position of the aircraft and also through the second ground station;
a memory for containing all or part of a database including at least position data associating the first and second predetermined frequencies of the radio signals respectively with first coordinates in latitude and in longitude of the first ground station and with the second coordinates in latitude and in longitude of the second ground station; and
calculation means for calculating the current coordinates in latitude and in longitude corresponding to the current position of the aircraft firstly from the first and second coordinates in latitude and in longitude of the first and second ground stations and secondly from the first and second transmission directions of the radio signals;
the analysis unit for analyzing the radio signals performing a first phase shift through 90° of the radio signals received by the first reception antenna and then a second phase shift through 90° of the radio signals received by the second reception antenna,
wherein a rotation of the first and second reception antennas enabling a radiation pattern to be generated presenting two cardioids representative of the maximum amplitudes of the radio signals received respectively by each of the first and second antennas, a transmission direction of the transmission directions of the radio signals being identified when the two cardioids are symmetrical about an ordinate axis Y of the radiation pattern.

US Pat. No. 10,712,423

ASSIGNMENT MESSAGES ACKNOWLEDGING ACCESS ATTEMPT WITHOUT ASSIGNING RESOURCES

Telefonaktiebolaget LM Er...

1. A mobile station configured to interact with a base station subsystem (BSS), the mobile station enabled for power efficient operation (PEO) and capable of performing a multilateration timing advance (MTA) procedure, the mobile station comprising:a processor; and,
a memory that stores processor-executable instructions, wherein the processor interfaces with the memory to execute the processor-executable instructions, whereby the mobile station is operable to:
receive an MTA request message for the mobile station to perform a radio access part of the MTA procedure;
transmit, to the BSS, a multilateration request message that indicates an Access Burst method for performing the MTA procedure; and
receive, from the BSS, an assignment message acknowledging that the BSS received the multilateration request message and including a first information element (IE) indicating that no Temporary Block Flow (TBF) resources are assigned to the mobile station; and
determine if the assignment message matches the multilateration request message transmitted to the BSS.

US Pat. No. 10,712,422

ERROR RECOVERY IN NULL DATA PACKET (NDP) RANGING

NXP USA, INC., Austin, T...

1. A method, comprising:transmitting, by a first communication device, a first physical layer protocol data units (PPDU) that includes a first null data packet announcement (NDPA) frame as part of a first ranging measurement exchange, wherein the first ranging measurement exchange is among a set of ranging measurement exchanges;
transmitting, by the first communication device, a first null data packet (NDP) as part of the first ranging measurement exchange;
recording, by the first communication device, a transmit time of the first NDP;
determining, by the first communication device, whether a second NDP was received correctly from a second communication device as part of the first ranging measurement exchange; and
in response to determining that the second NDP was not received correctly, commencing, by the first communication device, a second ranging measurement exchange, including transmitting a second PPDU that includes a second NDPA frame as part of the second ranging measurement exchange, wherein the second ranging measurement exchange is among the set of ranging measurement exchanges.

US Pat. No. 10,712,421

MRI APPARATUS WITH RF CORRECTED EACH TR INTERVAL

TOSHIBA MEDICAL SYSTEMS C...

1. An MRI apparatus comprising:a generating unit configured to generate radio frequency (RF) pulses according to a pulse sequence, the pulse sequence including a repeating series for each of plural repetition time (TR) intervals;
a sequence control unit configured to apply an imaging RF pulse acquiring an imaging signal and a corrective RF pulse for correction following the imaging RF pulse during each TR interval of the pulse sequence thereby applying plural sets of RF pulses, each set including an imaging RF pulse and a corrective RF pulse, during each of the plural TR intervals of the pulse sequence;
a wave detector configured to detect the corrective RF pulse during each of the plural TR intervals; and
a calculation unit configured to calculate a correction value based on the detected corrective RF pulse during each TR interval,
wherein the generating unit is configured to correct an imaging RF pulse to be applied during a second and subsequent TR intervals of the plural TR intervals based on the correction value detected during earlier TR intervals in the pulse sequence.

US Pat. No. 10,712,420

SYSTEMS AND METHODS FOR CONCOMITANT FIELD CORRECTION IN MAGNETIC RESONANCE IMAGING WITH ASYMMETRIC GRADIENTS

Mayo Foundation for Medic...

1. A method for compensating first order concomitant field effects in data acquired with a magnetic resonance imaging (MRI) system having an asymmetric gradient system, the steps of the method comprising:(a) providing to a computer system, gradient waveforms that will be applied during data acquisition with the MRI system;
(b) computing with the computer system, compensatory gradient waveforms that when added to the provided gradient waveforms compensate for first order concomitant field effects;
(c) providing the gradient waveforms and the compensatory gradient waveforms to the MRI system; and
(d) acquiring data with the MRI system using a data acquisition that generates magnetic field gradients using the provided gradient waveforms and the provided compensatory gradient waveforms, wherein the acquired data are compensated for first order concomitant field effects by generating the magnetic field gradients using the provided gradient waveforms and the provided compensatory gradient waveforms.

US Pat. No. 10,712,419

SELECTIVE SIZE IMAGING USING FILTERS VIA DIFFUSION TIMES

Vanderbilt University, N...

1. A method of evaluating biological tissues using magnetic resonance imaging (MRI), comprising:obtaining first diffusion MRI data for biological tissues of interest;
obtaining at least one second diffusion MRI data for the biological tissues of interest having an identical b-value as the first diffusion MRI data and a different diffusion time than the first diffusion MRI data;
calculating, from the first and at least one second diffusion MRI data, incremental area under curve values of the first and at least one second diffusion MRI data for a chosen diffusion time range; and
generating an image for the biological tissues of interest comprising a plurality of image voxels, wherein intensity values for each of the plurality of image voxels is based on a corresponding one of the incremental area under curve values.

US Pat. No. 10,712,418

SYSTEMS AND METHODS FOR DIFFUSION-WEIGHTED MULTI-SPECTRAL MAGNETIC RESONANCE IMAGING

The Medical College of Wi...

1. A method for using a magnetic resonance imaging (MRI) system to produce a diffusion-weighted image of a subject in which a metallic object is present, the steps of the method comprising:(a) acquiring diffusion-weighted data from the subject using the MRI system to sample k-space at a number of different k-space blades for each of a number of different spectral bins;
(b) producing combined data for each spectral bin with a computer system by combining the diffusion-weighted data acquired for each of the number of different k-space blades for each spectral bin;
(c) reconstructing with the computer system, an image for each spectral bin from the combined data produced for each associated spectral bin; and
(d) producing a diffusion-weighted composite image with the computer system by combining the images reconstructed in step (c).

US Pat. No. 10,712,417

METHOD AND APPARATUS FOR EXECUTING AN ACCELERATED MAGNETIC RESONANCE SCAN

Siemens Healthcare GmbH, ...

1. A method for generating a magnetic resonance (MR) image of an examination object, comprising:operating a radio-frequency (RF) radiator of an MR scanner in order to radiate a multi-band RF excitation pulse that simultaneously and selectively manipulates magnetization of nuclear spins in at least two non-overlapping slices of a target volume in the examination object;
operating the MR scanner so as to acquire echo signals produced by said multi-band RF excitation pulse from said at least two slices, as slice scan data in a slice scan data set, said slice scan data set comprising scan data for all simultaneously manipulated slices of the target volume;
operating the MR scanner so as to acquire reference data for said at least two non-overlapping slices, with reference data for each respective slice scan data set being acquired by, between acquisition of the slice scan data of the respective slice scan data set, and acquisition of the reference data associated therewith, no scan data of slices being acquired that are not included in said at least two non-overlapping slices of the respective slice scan data set;
entering the slice scan data for each slice scan data set together with the reference data therefor into a memory organized as k-space, by filling a central region of k-space with said slice scan data for a respective slice scan data set and the associated reference data forming a completely scanned data set, according to the Nyquist criterion, in said central region of k-space;
in a computer, accessing said completely scanned data set from said memory and generating calibration data from said completely scanned data set;
in said computer, using said calibration data to separate the slice scan data set into single-slice scan data sets respectively for the at least two non-overlapping slices; and
reconstructing respective image data sets from the respective single-slice scan data sets, and making the image data sets available in electronic form from the computer.

US Pat. No. 10,712,416

METHODS AND SYSTEMS FOR MAGNETIC RESONANCE IMAGE RECONSTRUCTION USING AN EXTENDED SENSITIVITY MODEL AND A DEEP NEURAL NETWORK

GE PRECISION HEALTHCARE, ...

1. A method for reconstructing a magnetic resonance (MR) image, comprising:estimating multiple sets of coil sensitivity maps from undersampled k-space data, wherein the undersampled k-space data was acquired by a multi-coil radio frequency (RF) receiver array;
reconstructing multiple initial images using the undersampled k-space data and the estimated multiple sets of coil sensitivity maps, each of the multiple initial images corresponding to a different set of the multiple sets of coil sensitivity maps;
iteratively reconstructing, with a trained deep neural network, multiple images by using the multiple initial images and the multiple sets of coil sensitivity maps to generate multiple final images, each of the multiple images corresponding to a different set of the multiple sets of sensitivity maps; and
combining the multiple final images output from the trained deep neural network to generate the MR image;
wherein the multiple sets of coil sensitivity maps are estimated using an ESPIRiT calibration.

US Pat. No. 10,712,415

METHOD AND APPARATUS FOR RECORDING MAGNETIC RESONANCE DATA

Siemens Healthcare GmbH, ...

1. A method for operating a magnetic resonance (MR) apparatus, comprising:with an MR data acquisition scanner, acquiring an MR data record from a region of an examination subject comprising a plurality of slices, by executing an MR data acquisition technique requiring reference data for a reconstruction of MR images from the MR data record, wherein, for all slices in said plurality of slices, at least two partial data records are acquired with respectively different contrasts with a first partial data record being acquired without radiation of a preparation pulse, and with a second partial data record being acquired with a preparation pulse;
operating said MR data acquisition scanner to acquire said reference data for at least one first slice in said first partial data record, recording the reference data thereof during a waiting time after the preparation pulse for at least one other, second slice for which reference data in said second partial data record are acquired; and
in a computer, reconstructing said MR images from at least said first partial data record and the reference data therefor and said second partial data record and the reference data therefor, and making said MR images available from the computer in electronic form, as at least one data file.

US Pat. No. 10,712,413

POLYMER COMPOSITE MATERIAL FOR 1H DYNAMIC NUCLEAR POLARIZATION EXPERIMENTS AND METHOD FOR PRODUCING THE SAME, AND POLYMER COMPOSITE MATERIAL FOR 1H DYNAMIC NUCLEAR POLARIZATION CONTRAST VARIATION NEUTRON SCATTERING EXPERIMENTS

SUMITOMO RUBBER INDUSTRIE...

1. A polymer composite material for 1H dynamic nuclear polarization experiments, comprisingcarbon black,
wherein the polymer composite material has a thickness of 0.5 mm or less, and is doped with a paramagnetic radical compound.

US Pat. No. 10,712,412

SYSTEM AND METHOD FOR STIMULATED ECHO BASED MAPPING (STEM) USING MAGNETIC RESONANCE IMAGING (MRI)

Wisconsin Alumni Research...

1. A magnetic resonance imaging (MRI) system comprising:a magnet system configured to generate a polarizing magnetic field about at least a portion of a subject arranged in the MRI system;
a plurality of gradient coils configured to apply a gradient field to the polarizing magnetic field;
a radio frequency (RF) system configured to apply an excitation field to the subject and acquire MR image data from the subject;
a computer system programmed to generate a plurality of differently-weighted images of a subject by:
selecting imaging parameters for a pulse sequence that includes a diffusion weighted module and an anatomical imaging module, wherein the imaging parameters include at least a repetition time (TR), a mixing time (TM), an echo time (TE), and a diffusion weighting b-value, wherein the imaging parameters include at least two different values of at least TM, TE, and diffusing weighting b-value;
controlling the plurality of gradient coils and RF system to perform the pulse sequence using the imaging parameters to acquire the MR image data from the subject, wherein the at least two different values of at least TM, TE, and diffusing weighting b-value are used to acquire the MR image data;
reconstructing, from the MR image data, a plurality of images of the subject, including at least a T1-weighted image, a T2-weighted image, and a diffusion-weighted image; and
a display configured to display the T1-weighted image, the T2-weighted image, and the diffusion-weighted image.

US Pat. No. 10,712,411

BULK MAGNET STRUCTURE AND BULK MAGNET SYSTEM FOR NMR

NIPPON STEEL CORPORATION,...

1. A bulk magnet structure comprisinga plurality of oxide superconducting bulk bodies arranged such that their central axes are on the same line, and
at least one outer circumferential reinforcing ring fitted to cover the outer circumferential surfaces of the plurality of oxide superconducting bulk bodies,
wherein the plurality of oxide superconducting bulk bodies comprise at least a columnar oxide superconducting bulk body or a ring-shaped oxide superconducting body,
wherein at least one pair of adjacent oxide superconducting bulk bodies are spaced apart from each other in the central axis direction and the bulk magnet structure has a space inside thereof through which the central axis passes, and
wherein the space penetrates from a portion of a lateral circumferential portion of the bulk magnet structure to another portion of the lateral circumferential portion, in a direction perpendicular to the central axis.

US Pat. No. 10,712,410

NMR-MAS PROBE HEAD WITH PIVOTABLE STATOR

BRUKER BIOSPIN GMBH, Rhe...

1. A probe head of a Nuclear Magnetic Resonance (NMR) Magic Angle Spinning (MAS) assembly comprising:a MAS stator having an opening configured to receive a MAS rotor in a loading position and to set the MAS rotor, which has a cylinder axis, in rotation in a measuring position in which the cylinder axis of the MAS rotor is at the magic angle to a B0 field of the NMR-MAS assembly, wherein the MAS stator is arranged in the NMR-MAS probe head to pivot between the measuring position and the loading position,
a detection device configured to identify from outside the opening and without contacting the MAS rotor whether or not the opening of the MAS stator is fitted with the MAS rotor, and
a light guide having a lower end and an upper end opposite the lower end,wherein the detection device comprises a light source configured to introduce light into the lower end of the light guide,wherein the MAS stator has a first bore, in which a first light guide stump is positioned such that, in the loading position of the MAS stator, the first light guide stump produces an optical connection between the MAS rotor when inserted in the opening of the MAS stator and the upper end of the light guide.

US Pat. No. 10,712,409

SAMPLING SYSTEM AND METHOD

Spectro Scientific, Inc.,...

1. A viscous material collection device comprising:a sample holder portion including an open, concave sample receptacle for the viscous material, the sample receptacle including a distal tip, a concave floor, and sidewalls extending upwards from the concave floor;
a first beveled ramp at the distal tip of the sample receptacle;
a second beveled ramp opposite the first beveled ramp;
a handle extending from the sample holder portion;
a flat surface proximate the second beveled ramp between the sample holder portion and the handle;
a centerline extending through the handle and sample holder portion;
the sidewalls extending upwards from the concave floor extend above said centerline; and
the sidewalls have top edges and the flat surface lies in the same plane as the top edges of the sidewalls.

US Pat. No. 10,712,408

METHODS AND APPARATUS FOR OPTICALLY DETECTING MAGNETIC RESONANCE

Massachusetts Institute o...

15. A system for measuring a magnetic field, the system comprising:a solid-state host comprising a first ensemble of color centers oriented along a first crystal axis of the solid-state host, the first ensemble of color centers exhibiting a first resonance in a presence of the magnetic field;
a microwave signal generator, in electromagnetic communication with the solid-state host, to drive the first ensemble of color centers with a first microwave signal;
a photodetector, in optical communication with the solid-state host, to detect a first fluorescence signal emitted by the first ensemble of color centers, the first fluorescence signal representing the first resonance;
circuitry, operably coupled to the microwave signal generator and the photodetector, to frequency-lock the first microwave signal to the first resonance based on the first fluorescence signal; and
a processor, operably coupled to the circuitry, to determine an amplitude and/or direction of the magnetic field based on a frequency of the first microwave signal.

US Pat. No. 10,712,407

DEVICE AND METHODOLOGY FOR MEASURING MINUTE CHANGES IN AMBIENT MAGNETIC FIELD

BEN GURION UNIVERSITY OF ...

1. An optical magnetometer comprising:a response frequency measurement unit comprising a vapor cell, a pulsed diode pump laser and a probe laser; and
a computing unit configured to compute a magnetic field change within an ambient magnetic field based on a difference between at least two temporally distinct response frequency values received from the response frequency measurement unit;
wherein at least said vapor cell of said response frequency measurement unit is magnetically exposed to said ambient magnetic field, said ambient magnetic field being the magnetic field of the Earth; and
wherein said pulsed diode pump laser is configured to effect decaying oscillations within said vapor cell following generation of a single pulse of 200 ns or less.

US Pat. No. 10,712,406

QUANTUM METROLOGY BASED ON STRONGLY CORRELATED MATTER

President and Fellows of ...

1. A method comprising:initializing an ensemble of quantum spins in an entangled state;
driving the ensemble of quantum spins in the entangled state with periodic electromagnetic pulses at a driving frequency while the ensemble of quantum spins is exposed to an external signal, wherein the driving frequency is tuned based on the frequency of the external signal to be measured;
reading out a state of the ensemble of quantum spins, wherein the state of the ensemble of quantum spins is indicative of the strength of the external signal.

US Pat. No. 10,712,405

EXTERNAL AIR CORE FLUX MEASUREMENT SYSTEM FOR A PRODUCTION MAGNETIZING SYSTEM

1. An external Air Core Flux Measurement System or device (30) for a production magnetizing system (40) comprising:a. an instrumentation air coil (31) of a set of various components for flux measurement, the instrumentation air coil (31) being separated and independent from any reluctance imparted from a magnetizing coil (50) in the production magnetizing system (40);
b. a magnetizing flux gauge (32) combined with a fixturing structure (32A) to hold the separate and independent instrumentation air coil (31);
c. manufacturing equipment (42,43) that transfers a rotor coil (51) to be measured from the magnetizing coil (50) to the separate and independent instrumentation air coil (31) that is secured by the fixturing structure (32A);
d. a set of reading instrumentation (39) for providing test data from the instrumentation air coil (31) to a set of several quality tests;
e. wherein the fixturing structure (32A) is made of durable, non-ferrous and non-magnetic materials that hold the instrumentation air coil (31) and the set of reading instrumentation (39) separated from the magnetizing coil (50);
f. a connection (37A) to a power source (38) for the magnetizing flux gauge (32) and a connection (37A) to the set of reading instrumentation (39); and
g. a control wiring to the set of reading instrumentation (39);
wherein using the external Air Core Flux Measurement System or device (30) to compare flux reluctance measurements of two or more magnetized rotors provides a flux measurement data capability with reduced variation that demonstrates a GR&R correlation to defect detection linked to a realistic process failure mode indicating a missing magnet; minimizes or eliminate an effect of temperature resulting from the charge or discharge of high current through the magnetizing coil (50); and minimizes an effect of residual flux bias resulting from a magnetization cycle.

US Pat. No. 10,712,404

ANGLE SENSOR AND ANGLE SENSOR SYSTEM

TDK CORPORATION, Tokyo (...

1. An angle sensor for generating a detected angle value, the detected angle value having a correspondence with an angle that a direction of a rotating magnetic field in a reference position forms with respect to a reference direction, the angle sensor comprising:a first detection circuit configured to generate a first detection signal and a second detection signal, each of the first and second detection signals corresponding to a first angle that the direction of the rotating magnetic field in a first position forms with respect to a first direction;
a second detection circuit configured to generate a third detection signal and a fourth detection signal, each of the third and fourth detection signals corresponding to a second angle that the direction of the rotating magnetic field in a second position forms with respect to a second direction; and
a computer,
wherein when the direction of the rotating magnetic field varies with a predetermined period, each of the first to fourth detection signals contains an ideal component, a first error component, and a second error component,
the ideal component varies periodically so as to trace an ideal sinusoidal curve,
the first error component corresponds to an n-th harmonic of the ideal component,
the second error component corresponds to an m-th harmonic of the ideal component,
n is greater than m,
the ideal components of the first and second detection signals differ in phase from each other,
the ideal components of the third and fourth detection signals differ in phase from each other,
the first detection circuit and the second detection circuit are arranged in a positional relationship that establishes a first phase relationship between the ideal components of the first and third detection signals, and a second phase relationship between the ideal components of the second and fourth detection signals,
the first phase relationship is such that performing a first operation to obtain a sum of or difference between the first and third detection signals yields a first signal that is lower in the first error component than the first and third detection signals,
the second phase relationship is such that performing a second operation to obtain a sum of or difference between the second and fourth detection signals yields a second signal that is lower in the first error component than the second and fourth detection signals, and
the computer is configured to:
generate the first signal by performing the first operation;
generate the second signal by performing the second operation;
calculate the detected angle value based on the first signal and the second signal; and
perform correction processing by which an error occurring in the detected angle value due to the second error component is reduced relative to a case where the correction processing is not performed.

US Pat. No. 10,712,403

MAGNETIC FIELD SENSOR AND ELECTRONIC CIRCUIT THAT PASS AMPLIFIER CURRENT THROUGH A MAGNETORESISTANCE ELEMENT

Allegro MicroSystems, LLC...

1. An electronic circuit coupled to receive a power supply voltage, comprising:a first magnetoresistance element having first and second terminals, each one of the first and second terminals directly coupled to the magnetoresistance element;
a first transistor having a control node, a first current passing node, and a second current passing node;
a first fixed voltage generating source having first and second nodes between which a first fixed voltage is generated, wherein the first fixed voltage does not change in response to a changing magnetic field, wherein the first terminal of the first magnetoresistance element is coupled to the first current passing node of the first transistor, wherein the control node of the first transistor receives the first fixed voltage, and the second node of the first fixed voltage generating source is coupled to the second terminal of the first magnetoresistance element, wherein the electronic circuit is operable to generate a first current signal at the second current passing node of the first transistor related to a resistance value of the first magnetoresistance element;
a first fixed resistor having a first fixed resistance that does not change in response to the changing magnetic field and having first and second terminals;
a second transistor having a control node, a first current passing node, and a second current passing node;
a second fixed voltage generating source having first and second nodes between which a second fixed voltage is generated, wherein the second fixed voltage does not change in response to the changing magnetic field; and
a first load coupled to the second current passing node of the first transistor, wherein the second current passing node of the first transistor is coupled to the second current passing node of the second transistor, wherein the first terminal of the first fixed resistor is coupled to the first current passing node of the second transistor, wherein the control node of the second transistor receives the second fixed voltage, and the second node of the second fixed voltage generating source is coupled to the second terminal of the first fixed resistor, wherein the electronic circuit is operable to generate a second current signal at the second current passing node of the second transistor related to a resistance value of the first fixed resistor, wherein a current passing through the first load is equal to a difference between the first current signal and the second current signal.

US Pat. No. 10,712,402

MULTIPLE ROW SENSING DEVICE FOR A TIRE

COMPAGNIE GENERALE DES ET...

1. A sensor device for tire inspection that is removably positionable along an inner surface of a tire, the tire having a bead portion, the tire defining radial, axial, and circumferential directions, the device comprising:a body comprising an outermost inspection surface configured for placement along the inner surface of the tire;
an aperture defined by the outermost inspection surface; and
a plurality of sensors positioned within the aperture defined by the outermost inspection surface, the plurality of sensors arranged linearly along multiple rows that are adjacent to each other;
wherein each row of sensors has opposing ends displaced from each other along a longitudinal direction, and wherein the sensor device further comprises:
a magnet array arranged on the body so that the outer inspection surface and sensors are located between at least a portion of the magnet array and the tire when the sensor device is positioned for tire inspection, the magnet array comprising
a plurality of magnets having a first end and a second end, wherein at least a portion of the plurality of magnets are arranged into an arc of a circle and configured to partially surround the bead portion of the tire, the arc of the circle having a central angle ?, wherein 60 degrees???90 degrees; and
a terminal magnet having at least one end displaced along the longitudinal direction beyond one of the opposing ends of the sensors.

US Pat. No. 10,712,401

CONCAVE CAVITY FOR INTEGRATED MICROFABRICATED SENSOR

TEXAS INSTRUMENTS INCORPO...

1. A method, comprising:providing a cell body substrate having a first surface, and a second surface parallel to the first surface;
forming a first etch mask on the first surface of the cell body substrate, wherein the first etch mask exposes a first area on the first surface; and
forming a second etch mask on the second surface of the cell body substrate, wherein the second etch mask exposes a second area on the second surface;
removing material from the cell body substrate to form a cavity extending through the cell body substrate from the first area to the second area, wherein:
the cavity has cell body walls extending between the first surface and the second surface; and
the cell body walls have a concave profile defining the cavity, so that the cavity is wider in a central region than at the first surface and at the second surface;
attaching a first window substrate to the cell body substrate at the first surface, the first window substrate being exposed to the cavity;
disposing a solution comprising a sensor fluid material and a solvent into the cavity on the first window substrate;
removing substantially all of the solvent; and
attaching a second window substrate to the cell body substrate at the second surface, the second window substrate being exposed to the cavity,
wherein removing the material from the cell body substrate comprises a wet etch process which concurrently removes the material from the cell body substrate in the first area exposed by the first mask and removes the material from the cell body substrate in the second area exposed by the second mask; and
wherein the first etch mask comprises a first layer of silicon dioxide formed on the first surface of the cell body substrate, and further comprises a first layer of silicon nitride formed on the first layer of silicon dioxide, and the second etch mask comprises a second layer of silicon dioxide formed on the second surface of the cell body substrate, and further comprises a second layer of silicon nitride formed on the second layer of silicon dioxide, wherein the first layer of silicon dioxide and the second layer of silicon dioxide are formed concurrently, and the first layer of silicon nitride and the second layer of silicon nitride are formed concurrently.

US Pat. No. 10,712,400

VERTICAL HALL SENSOR CIRCUIT COMPRISING STRESS COMPENSATION CIRCUIT

Infineon Technologies AG,...

1. A vertical Hall sensor circuit comprisingan arrangement comprising a vertical Hall effect region of a first doping type, formed within a semiconductor substrate and having a stress dependency with respect to a magnetic sensitivity of the vertical Hall effect region;
a stress compensation circuit which comprises:
a lateral resistive element, for generating a stress-dependent lateral resistor signal on the basis of a reference signal inputted to the stress compensation circuit; and
a vertical resistive element of the first doping type, for generating a stress-dependent vertical resistor signal on the basis of the reference signal; and
a first circuit for providing a first signal to the arrangement, the first signal being based on a weighted combination of the stress-dependent lateral resistor signal and the stress-dependent vertical resistor signal, wherein the weighted combination comprises a first weight associated with the stress-dependent lateral resistor signal and a second, different, weight associated with the stress-dependent vertical resistor signal.

US Pat. No. 10,712,399

MLU CELL FOR SENSING AN EXTERNAL MAGNETIC FIELD AND A MAGNETIC SENSOR DEVICE COMPRISING THE MLU CELL

1. A magnetic logic unit (MLU) cell for sensing an external magnetic field, comprising a magnetic tunnel junction including a sense layer having a sense magnetization adapted to be oriented by the external magnetic field; a reference layer having a reference magnetization; a reference antiferromagnetic layer pinning the reference magnetization at a low threshold temperature and freeing the reference magnetization at a high threshold temperature; and a tunnel barrier layer between the sense layer and the reference layer;a biasing layer having a biasing magnetization and a biasing antiferromagnetic layer pinning the biasing magnetization at the low threshold temperature such that the pinned biasing magnetization is oriented substantially parallel to the pinned reference magnetization, and freeing the biasing magnetization at the high threshold temperature;
a biasing coupling layer between the sense layer and the basing layer, the biasing coupling layer comprising a magnetic material of antiferromagnetic type and being configured for providing a magnetic coupling between the biasing layer and the sense layer such that the sense magnetization is oriented substantially perpendicular to the pinned biasing magnetization and to the pinned reference magnetization; and
the magnetic tunnel junction further comprising a non-magnetic spacer layer between the sense layer and the biasing coupling layer, the non-magnetic spacer layer comprising one of: Ta, Mg, Al, Ru, Cu, Pt, Pd, Hf, Cr, Nb, Zn or any alloy or oxide containing any one of these elements, and being configured for tuning a strength of magnetic coupling of the biasing coupling layer.

US Pat. No. 10,712,397

METHOD AND SYSTEM FOR LOCALISATION ON A DC LIGHTING AND POWER GRID

SIGNIFY HOLDING B.V., Ei...

1. A system comprising:a DC power grid comprising a plurality of DC power lines;
an AC signal generator switchably connected to at least one of said plurality of DC grid power lines, said AC signal generator configured to transmit a locator signal along said at least one of the plurality of DC grid power lines; and
a plurality of luminaires disposed upon said DC power grid, each of said luminaires comprising a receiver configured to receive said locator signal, logic circuitry configured to calculate a distance between said luminaire and said AC signal generator based on said locator signal, memory configured to store said distance, and means for transmitting said distance to a room controller.

US Pat. No. 10,712,396

METHODS, SYSTEMS, AND DEVICES FOR MONITORING STATE-OF-HEALTH OF A BATTERY SYSTEM OPERATING OVER AN EXTENDED TEMPERATURE RANGE

NDSL, Inc., Raleigh, NC ...

1. A method implemented on at least one computing device for determining a battery cell state-of-health status within a non-climate controlled environment; the method comprising:receiving first measured temperature data associated with a first battery cell having a first battery cell electrolyte and a first battery thermal mass, wherein the first measured temperature data comprises:
a first temperature value recorded at a first location within the non-climate controlled environment, at a first time, and external to the first battery cell electrolyte; and
a second temperature value recorded at the first location at a second time, and external to the first battery cell electrolyte;
receiving first measured ohmic value data associated with the first battery cell and the first measured temperature data;
estimating a first battery cell electrolyte temperature value based on the first battery thermal mass, the first temperature value, and the second temperature value;
determining a first normalized ohmic value based at least partially on the first measured ohmic value data, a temperature coefficient, and a delta of the first battery cell electrolyte temperature value and a normalized temperature and; and
transmitting, to at least one of a graphical user interface (GUI) and a battery log, an indication of a state-of-health of the first battery cell based upon the first normalized ohmic value being greater than a normalized maximum ohmic value, wherein:
the normalized maximum ohmic value is indicative of an abnormal state-of-health of the first battery cell for the normalized temperature.

US Pat. No. 10,712,395

APPARATUS AND METHOD FOR DETECTING BATTERY STATE OF HEALTH

Huawei Technologies Co., ...

1. A battery management system, comprising:a battery; and
an apparatus for detecting a battery state of health of the battery when the battery in an in-service state in which the battery is supplying power to a load,
wherein the apparatus for detecting the battery state of health comprises:
a detection circuit, configured to obtain a current value of the battery and a voltage value of the battery at a first time and obtain a current value of the battery and a voltage value of the battery at a second time, and further configured to obtain a battery temperature value;
a control circuit, configured to compare each of the current value at the first time and the current value at the second time to a preset threshold, and if the current value at the first time and the current value at the second time are both less than the preset threshold, select a second model algorithm to obtain the battery state of health, or if the current value at the first time and the current value at the second time are not both less than the preset threshold, select a first model algorithm to obtain the battery state of health, wherein a selection result of the control circuit comprises the first model algorithm or the second model algorithm; and
a data processing circuit, configured to:
calculate, according to the selection result of the control circuit and the current value and the voltage value at the first time, a battery open circuit voltage value and a battery state of charge value that are corresponding to the first time,
calculate, according to the selection result of the control circuit and the current value and the voltage value at the second time, a battery open circuit voltage value and a battery state of charge value that are corresponding to the second time,
calculate a first battery capacity difference that indicates a present battery retention capacity and a second battery capacity difference that indicates a future battery retention capacity, wherein the first battery capacity difference and the second battery capacity difference are based on the first time and the second time, and
calculate a battery state of health value according to the battery temperature value, the first battery capacity difference, and the second battery capacity difference.

US Pat. No. 10,712,394

APPARATUS AND METHOD FOR TESTING COXSWAIN BOX FUNCTION

1. An apparatus for testing and assessing the separate signals,indicators and functions of a coxswain's box and related equipment used in rowing sports, comprising:
i. an enclosure further comprising one or more actuators to engage the testing functions of the apparatus and one or more ports for connecting equipment to be tested;
ii. a circuit card that mechanically and electrically supports and connects the apparatus's electronic components;
iii. a voltmeter;
iv. a power supply;
v. one or more speakers;
vi. a cox box connector capable of transmitting a signal and connecting the apparatus to a cox box;
vii. a display for exhibiting measurements and test readout; and
viii. fastening apertures;
wherein the apparatus is fully capable of testing and assessing the separate signals, indicators and functions of a coxswain's box and related equipment used in rowing sports.

US Pat. No. 10,712,393

ENERGY STORAGE DEVICE MANAGEMENT APPARATUS, ENERGY STORAGE DEVICE MODULE, VEHICLE, AND ENERGY STORAGE DEVICE MANAGEMENT METHOD

GS Yuasa International Lt...

18. An energy storage device management apparatus configured to determine an SOC region that indicates a state of charge of an energy storage device, the apparatus comprising:an information processor which determines the SOC region based on a first SOC region, which is determined by a first method, and a second SOC region, which is determined by a second method when the first SOC region is determined,
wherein:
the information processor determines the second SOC region based on a C-V correlation which is a correlation between a residual capacity and a discharging voltage of the energy storage device during discharge, and
the information processor determines the second SOC region as a discharge-end SOC region, which is a state close to a discharge-end state of the energy storage device, when a discharging current is less than a predetermined current value and a discharging voltage is less than a predetermined voltage value.

US Pat. No. 10,712,392

SYSTEMS AND METHODS FOR DETERMINING STATE-OF-CHARGE USING TAFEL SLOPE

Charged Engineering Inc.,...

1. A method of determining state-of-charge in a battery comprising:measuring a first electrical potential Ux at a first current state Ix;
stepping electrical current to a second current state Iy;
waiting for the electrical potential of the second current state to substantially stabilize;
once the second current state is substantially stabilized, measuring a second electrical potential Uy corresponding to the second current state Iy;
determining ohmic resistance;
calculating Tafel slope (U?Tafel) of the battery by substituting obtained ohmic resistance, Ix, Iy, Ux, and Uy into a U?Tafel equation requiring ohmic resistance, Ix, Iy, Ux, and Uy, respectively; and
determining state-of-charge by comparing U?Tafel to a predetermined target value of Tafel slope that is characteristic of the battery at that state-of-charge.

US Pat. No. 10,712,391

LOCALIZATION, MAPPING AND HAPTIC FEEDBACK FOR INSPECTION OF A CONFINED SPACE IN MACHINERY

ABB Schweiz AG, Baden (C...

1. A system comprising:a crawler operable for traversing through a confined space in a machine;
one or more sensors coupled with the crawler, the one or more sensors structured and positioned to sense information associated with the machine;
a transmitter for transmitting information from the one or more sensors to at least one of a visual display and a retrievable memory storage; and
a control system having haptic feedback capability to signal an occurrence of one of a plurality of predefined events based upon the information sensed by the one or more sensors,
wherein the plurality of predefined events include sensing a defect in the machine, and
wherein the control system generates an electronic result map of an inspected space within the machine to define discreet regions, each of the discreet regions includes a status indicator selected, based on a defined criteria, from a plurality of different status indicators, the defined criteria including at least information indicative of at least one of defects or foreign objects are within the discreet region.

US Pat. No. 10,712,389

SCAN CHAIN OPERATIONS

Micron Technology, Inc., ...

1. An apparatus, comprising:a device under test; and
scan control logic coupled to the device under test, the scan control logic comprising:
an interface to provide communication with a memory array; and
a state machine to determine a row of data stored in the memory array to be used as a scan vector,
wherein the device under test is configured to:
perform a scan chain operation on the scan vector responsive to receipt of a scan chain control signal, and
send a resultant output scan vector to a serializer/de-serializer coupled to the device under test, the scan control logic, and the memory array.

US Pat. No. 10,712,388

LOW COST DESIGN FOR TEST ARCHITECTURE

1. A modular test method for composition of test patterns for integrated circuits comprising:the integrated circuit being a target system that has subsystems;
disabling an environment constraint test instrument (ECTI);
generating disabled zero-biased test patterns according to a test protocol;
generating a environment constraint environment (ECE) test using the ECTI and an output encoding function such that
for a first condition, when an environment constraint test enable signal can be set to logic value 1 by replacing values of inputs specified in the zero-biased test patterns, generating an info file for (test pattern) input value replacement, and
for a second condition, when the environment constraint test enable signal cannot be set to logic value 1 by replacing values in the zero-biased test patterns,
enabling the ECTI, and
generating enabled zero-biased test patterns according to the test protocol;
forming target test patterns using the zero-biased test patterns and the ECE test; and
generating an interconnection scheme according to an output translation layer.

US Pat. No. 10,712,387

FIRST, SECOND TEST DOMAINS AND TEST MODE SELECT CONTROL CIRCUITRY

Texas Instruments Incorpo...

1. A test domain system comprising:(a) a first test domain including:
(i) a first test data input, a first test clock input, a first test mode select input, and a first test data output;
(ii) a first controller having an input coupled to the first test clock input, an input coupled to the first test mode select input, and first controller outputs;
(iii) a first serial register having a serial input coupled to the first test data input, a serial output, first serial register control outputs, and a control input coupled to the first controller outputs; and
(iv) first multiplexer circuitry having an input coupled to the first test data input, an input coupled to the serial output of the first serial register, a control input coupled to the first controller outputs, and a first multiplexer output that is coupled to the first test data output;
(b) test mode select control circuitry having an input coupled to the first test mode select input, a first controlled test mode select output, and a control input coupled to a first serial register control output, in which a signal received at the input propagates to the controlled test mode select output when the control input is set to a first predetermined value; and
(c) a second test domain including a second test data input coupled to the first test data input, a second test clock input coupled to the first test clock input, a second test mode select input coupled to the first controlled test mode select output, and a second test data output coupled to the first test data output.

US Pat. No. 10,712,386

DEVICE AND METHOD FOR DATA PRESERVATION AND POWER LOSS RECOVERY IN AN ELECTRIC METER

1. An electric meter comprising:a memory, the memory comprising at least one volatile memory device and at least one non-volatile memory device; and
a processor operatively connected to the memory, the processor being configured to:
retrieve a backup copy of meter state data from the at least one non-volatile memory device after the electric meter resumes operation following a power loss wherein meter state data represents state information generated by processing meter input data samples and the backup copy of meter state data was stored in the at least one non-volatile memory device based on a periodic backup schedule;
retrieve a first plurality of meter input data samples from the at least one non-volatile memory device after the electric meter resumes operation following the power loss, the first plurality of meter input data samples being associated with a time period after the backup copy of meter state data was stored in the at least one non-volatile memory device and prior to the power loss; and
regenerate meter state data after the electric meter resumes operation following the power loss, by updating the backup copy of meter state data with updated state information by processing the first plurality of meter input data samples to regenerate the meter state data at a time of a final meter input data sample in the first plurality of meter input data samples prior to the power loss, the regenerated meter state data being stored in the at least one volatile memory device.

US Pat. No. 10,712,385

FREEZE LOGIC

CRYPTOGRAPHY RESEARCH INC...

1. A method comprising:receiving a first plurality of input signals at a first plurality of logic gates and a second plurality of logic gates, wherein the first plurality of logic gates and the second plurality of logic gates are associated with a symmetric configuration;
generating, by the first plurality of logic gates, a first output at a first value based on a first portion of the first plurality of input signals that are received by the first plurality of logic gates;
generating, by the second plurality of logic gates, a second output at the first value based on a second portion of the first plurality of input signals;
receiving, after the first plurality of input signals, a second plurality of input signals at the first plurality of logic gates and the second plurality of logic gates;
generating, by the first plurality of logic gates, a subsequent first output at a particular value based on a first portion of the second plurality of input signals that are received by the first plurality of logic gates; and
generating, by the second plurality of logic gates, a subsequent second output based on a second portion of the second plurality of input signals that are received by the second plurality of logic gates, wherein a value of the subsequent second output is complementary to the particular value of the subsequent first output; wherein the first plurality of input signals are received at a first time and correspond to the first output and the second output being a pre-charge value of zero or one, and wherein the second plurality of input signals are received at a second time after the first time and correspond to one of the subsequent first output or the subsequent second output being a value of one and the other of the subsequent first output or the subsequent second output being a value of zero.

US Pat. No. 10,712,384

CIRCUIT INSPECTION METHOD AND SAMPLE INSPECTION APPARATUS

HITACHI HIGH-TECH CORPORA...

1. A circuit inspection method comprising:bringing at least one probe into contact with a sample;
scanning the sample with a charged particle beam while power is supplied via the at least one probe to a circuit formed between a plurality of conductors of the sample by a contact of the at least one probe;
measuring a change in a resistance value of a faulty point heated locally via the at least one probe;
absorbing, by the at least one probe, a charged particle beam irradiated on the sample;
forming a charged particle beam absorption image on a basis of the absorbed charged particle beam; and
displaying the charged particle beam absorption image.

US Pat. No. 10,712,383

INSPECTION JIG

YOKOWO CO., LTD., Kita-k...

1. An inspection jig comprising: a rigid substrate; a flexible substrate connected to the rigid substrate; a support supporting a part of the flexible substrate in a state that the part of the flexible substrate is protruded with respect to the rigid substrate in a first direction; a biasing unit configured to bias the support in the first direction with respect to the rigid substrate; and a contactor provided on a protruding portion of the flexible substrate, the protruding portion being protruded with respect to the rigid substrate, wherein the contactor includes: a contact housing; and a probe supported on the contact housing, one end of the probe being in contact with a contact portion on the protruding portion; wherein the contact housing is fixed to the support in a detachable manner and wherein the contact housing includes an insulating resin molded body.

US Pat. No. 10,712,382

SEMICONDUCTOR DEVICE STRUCTURES FOR BURN-IN TESTING AND METHODS THEREOF

Micron Technology, Inc., ...

1. A semiconductor device structure, comprising:a substrate;
an electrical connection structure extending upwardly from an upper surface of the substrate by a first height;
a contact pad electrically disposed on the upper surface of the substrate, the contact pad having a solder-wettable surface with an area configured to support a solder ball having a second height greater than the first height; and
a fuse element with a first end electrically coupled to the electrical connection structure and a second end electrically coupled to the contact pad.

US Pat. No. 10,712,381

INSERTION POSITION CORRECTION IN AN ELECTRONIC COMPONENT INSERTION DEVICE

TAIYO YUDEN CO., LTD., T...

1. A device for inserting a plurality of electronic components into a plurality of housing recesses of a carrier tape, the housing recesses being provided at an equal pitch in a lengthwise direction of the carrier tape, the device being configured to insert n number of the electronic components into n number of the housing recess in the carrier tape at once, where n is an integer of two or more, the device comprising:a motor that intermittently moves the carrier tape such that every n number of the housing recesses is positioned at an insertion position at once so as to receive n number of the electronic components into the n number of the housing recesses at once at the insertion position;
an imaging device that images, at an imaging position provided at an upstream side of the insertion position, a portion of the carrier tape that contains the n number of housing recesses that are to be inserted with n number of the electronic components at once when moved to the insertion position; and
a processor that determines, on the basis of an image captured by the imaging device, a two-dimensional position of each of the n number of housing recesses contained in the image relative to a reference point in the image, and calculates a positional deviation in the two-dimensional position of each of the n number of housing recesses from a prescribed design position, the processor further deriving common correction values that are to be applied commonly to the n number of the housing recesses in the image in accordance with the calculated positional deviations,
wherein the processor further causes a two-dimensional position of the insertion position for the n number of the housing recesses that have been imaged by the imaging device to be corrected in accordance with the derived common correction values so as to mitigate or offset the positional deviations of the n number of the housing recesses before the n number of the housing recesses receive the n number of the electronic components so that the n number of the electronic components are inserted into the n number of the housing recesses at the corrected insertion position.

US Pat. No. 10,712,380

METHODS AND APPARATUS FOR ELECTRO-STATIC DISCHARGE PATH DETECTION

Semiconductor Manufacturi...

1. A method for detecting an electro-static discharge (ESD) path, comprising:applying ESD pulses to a chip under test to drive the chip under test to release an ESD current;
when the chip under test releases the ESD current, detecting position information of photons emitted from the chip under test due to releasing of the ESD current;
acquiring an image of an ESD path based on the detected position information of the photons; and
determining whether the ESD path corresponding to the chip under test is normal based on the image of the ESD path and a layout image of the chip under test, wherein determining whether the ESD path corresponding to the chip under test is normal includes:
placing the image of the ESD path to overlap with the layout image of the chip under test for a position comparison; and
when a position of the image of the ESD path is identical to a position of a corresponding ESD path in the layout image of the chip under test, determining the corresponding ESD path in the chip under test as a normal ESD path; otherwise, determining the corresponding ESD path in the chip under test as an abnormal ESD path.

US Pat. No. 10,712,379

ELECTROMAGNETIC COMPATIBILITY TEST SYSTEM AND METHOD FOR ON-SCREEN-DISPLAY DATA

GUANGZHOU CHANGEN ELECTRO...

1. An electromagnetic compatibility testing system for data on-screen display, comprising: a testing unit, a data acquiring unit connected with the testing unit, a camera monitoring unit, and an on-screen display controlling unit connected with the camera monitoring unit and the data acquiring unit respectively, wherein,the testing unit is configured to test a test equipment, and generate a first test data;
the data acquiring unit is configured to acquire the first test data generated by the testing unit, and further configured to extract target data from the first test data, and generate a second test data according to the obtained target data, and send the obtained second test data to the on-screen display controlling unit;
the camera monitoring unit is configured to perform a video monitoring on a test area, and generate video data, and send the obtained video data to the on-screen display controlling unit; and
the on-screen display controlling unit is configured to display the received second test data and the video data on the same screen;
wherein the first test data has a fixed data structure, the first test data having at least one preset feature value and N target data; and the preset feature value and the kth target data being separated by Qk characters, wherein N and Qk are natural numbers which are not less than 1, and k is a natural number which is not greater than N;
the data acquiring unit being configured to acquire the first test data generated by the testing unit, and extract the target data from the first test data, and generate the second test data according to the obtained target data, and send the obtained second test data to the on-screen display controlling unit, further comprising:
the data acquiring unit being configured to acquire the first test data generated by the test unit, and analyze the data structure of the first test data; and the data acquiring unit being further configured to capture the preset feature value from the first test data, and locate N target data in sequence according to a number of characters which separate the captured preset feature value and the kth target data, and then extract N target data from the first test data; and
the data acquiring unit being further configured to generate the second test data according to the obtained N target data, and send the second test data to the on-screen display controlling unit.

US Pat. No. 10,712,378

DYNAMIC MULTIDIMENSIONAL ELECTRIC POTENTIAL AND ELECTRIC FIELD QUANTITATIVE MEASUREMENT SYSTEM AND METHOD

UNITED STATES OF AMERICA ...

1. A. dynamic multidimensional electric potential and electric field quantitative measurement system, comprising:a multi-dimensional electric potential sensor array, comprising:
an array of electric potential sensors arranged in a series of rows of electric potential sensors and a series of columns of electric potential sensors wherein the electric potential sensors comprise triaxial electrodes, the triaxial electrodes having three electrodes separated from a base electrode, oriented in different directions, and supported triboelectrically neutral, low electric susceptibility, and electrically non-conductive material; and
a support casing supporting the array of electric potential sensors, wherein the support casing is triboelectrically neutral, has a low electric susceptibility, and is electrically non-conductive;
a sampling circuit connected to the multi-dimensional electric potential sensor array and configured to sample signals from the array of electric potential sensors;
an interface circuit coupled to the sampling circuit and multi-dimensional electric potential sensor array and configured to provide the signals from the array of electric potential sensors to the sampling circuit; and
wherein the multi-dimensional electric potential sensor array is connected to a scanner support configured to move the multi-dimensional electric potential sensor array while the sampling circuit samples the signals from the array of electric potential sensors.

US Pat. No. 10,712,376

IMPEDANCE MEASUREMENT OF INDIVIDUAL ACTUATORS OF A PIEZOELECTRIC PRINT HEAD

XEROX CORPORATION, Norwa...

1. A method for measuring an impedance of each of a plurality of piezoelectric actuators of a print head, each piezoelectric actuator connected to electronic selection circuitry of the print head that drives the piezoelectric actuators during a print operation, comprising:generating a waveform to drive a drive rail of the print head, the drive rail connected to the electronic selection circuitry of the print head;
measuring an impedance of each of the plurality of piezoelectrical actuators of the print head through the electronic selection circuitry while the drive rail of the print head is driven by the waveform by comparing the measured impedance of each of the piezoelectric actuators to a reference impedance from a pseudo-actuator connected to the electronic selection circuitry.

US Pat. No. 10,712,375

DATA PROCESSING DEVICE, DATA PROCESSING METHOD, AND NON-TRANSITORY STORAGE MEDIUM

NEC CORPORATION, Minato-...

1. A data processing device comprising:a measurement data acquisition unit that acquires measurement data indicating a temporal change in at least one of current consumption and power consumption of an electrical apparatus;
a fluctuation component extraction unit that extracts a fluctuation component related to fluctuation in the current consumption and a fluctuation component related to fluctuation in the power consumption from the measurement data; and
a feature value acquisition unit that acquires a feature value of the fluctuation component,
wherein the fluctuation component extraction unit further comprises:
a reference component extraction unit that extracts a reference component from the measurement data,
a subtraction unit that subtracts the reference component from a predetermined component of the measurement data to extract the fluctuation component, and
a division unit that extracts the reference component on the basis of frequency of appearance of each value in the measurement data.

US Pat. No. 10,712,374

DATA PROCESSING DEVICE, DATA PROCESSING METHOD, AND NON-TRANSITORY STORAGE MEDIUM

NEC CORPORATION, Minato-...

1. A data processing device comprising:a measurement data acquisition unit that acquires measurement data indicating a temporal change in at least one of current consumption and power consumption of an electrical apparatus;
a reference component extraction unit that extracts a reference component of the current consumption and a reference component of the power consumption from the measurement data, wherein each reference component is extracted on the basis of frequency of appearance of each value in the measurement data; and
a feature value acquisition unit that acquires a feature value of each reference component.

US Pat. No. 10,712,373

FINGERPRINTING OF FLUID INJECTION DEVICES

Woodward, Inc., Fort Col...

1. A computer-implemented method for characterizing a fluid injector, comprising:measuring a plurality of electrical waveforms corresponding to a selected magnitude of electrical excitation provided to an actuator of a fluid injector;
determining a collection of data representative of the plurality of electrical waveforms and based on the measuring of the plurality of electrical waveforms;
identifying characteristics associated with the fluid injector, based on the collection of data, comprising one or more of:
a pull locus;
a first subset of the collection of data representative of a selected first electrical waveform of the plurality of electrical waveforms;
a representative opening value;
a representative closing value, further based on the representative opening value;
an anchor value, further based on the first subset;
a second subset of the collection of data, representative of a selected second electrical waveform of the plurality of electrical waveforms, further based on the pull locus, the first subset, and the representative opening value;
a maximum electrical value, based on the second subset;
an opening locus further based on the anchor value, and the maximum electrical value;
a hold value; and
providing the identified characteristics.

US Pat. No. 10,712,372

CURRENT MEASUREMENT DEVICE, MANUFACTURING METHOD, PROTECTION MODULE AND DIFFERENTIAL CIRCUIT BREAKER INCLUDING SUCH A DEVICE

Schneider Electric Indust...

1. A current measurement device, which device is arranged so as to be incorporated within a substantially parallelepipedal housing comprising an upstream face opposite a downstream face, a front face opposite a back face, and a first lateral face opposite a second lateral face, said current measurement device comprising:at least two upstream connection lugs, which lugs are intended to be electrically connected to connection lugs of an electric current breaking device for protecting at least two electrical lines;
at least two downstream connection lugs, which lugs are intended to be electrically connected to operating terminals;
at least two current conductors, each current conductor being arranged so as to electrically link an upstream connection lug to a downstream connection lug, respectively;
at least two current sensors, each current sensor being positioned around a respective current conductor so as to form a respective passage for the current conductor along an axis oriented in a first direction in the upstream face and downstream face direction; and
a differential current sensor,
said current measurement device wherein the differential current sensor is positioned around the set of the at least two current conductors so as to form a common passage for the current conductors along an axis oriented in a second direction in the front face back face direction.

US Pat. No. 10,712,371

POWER INDUCTOR, BOARD HAVING THE SAME, AND CURRENT MEASUREMENT METHOD USING THE SAME

SAMSUNG ELECTRO-MECHANICS...

1. A power inductor comprising:a body including a magnetic material;
an internal coil disposed in the body and including a plurality of coil patterns stacked in a thickness direction of the body;
a sensing coil facing the internal coil; anda first sensing pad and a second sensing pad connected to both ends of the sensing coil, respectively, and adapted to be in contact with a contact probe of a current measurement equipment,wherein the sensing coil has an innermost side surface which is radially outward of an innermost side surface of the internal coil,
wherein the internal coil and the sensing coil are disposed such that an uppermost portion of the internal coil and a lowermost portion of the sensing coil are spaced apart from each other by a predetermined distance in the thickness direction, and
wherein the first and second sensing pads each have a width greater than the sensing coil.

US Pat. No. 10,712,370

CURRENT SENSOR

HITACHI METALS, LTD., To...

1. A current sensor, comprising:a plurality of bus bars which are each formed rectangular in a cross section and arranged in order to be spaced from each other in a width direction, and through which a current is fed along a length direction perpendicular to the width direction;
a pair of shield plates that comprise a magnetic material and are arranged so as to collectively sandwich the plurality of bus bars therebetween in a height direction perpendicular to the width direction and the length direction; and
a plurality of magnetic detection elements that are each arranged between the bus bars and one of the shield plates so as to detect a magnetic field intensity in the width direction,
wherein a distance d between a detection position of a magnetic field intensity at an arbitrary one of the magnetic detection elements and a center position in the width direction between one of the bus bars corresponding to the arbitrary magnetic detection element and an other of the bus bars adjacent thereto in the width direction satisfies the following expression:
d/w+0.023 (w/h)?0.36where a width of the shield plates is w and an interval along the height direction of the pair of shield plates is h.

US Pat. No. 10,712,369

CURRENT MEASUREMENT USING MAGNETIC SENSORS AND CONTOUR INTERVALS

ANALOG DEVICES GLOBAL UNL...

1. An apparatus for measuring current flow through at least one wire, the apparatus comprising:a housing comprising an opening for receiving the at least one wire;
a plurality of magnetic sensor pairs arranged along a contour within the housing, each magnetic sensor pair configured to generate signals when the at least one wire that carries current extends through the opening, the signals including:
a first signal indicative of a magnetic field in a first direction, and
a second signal indicative of a magnetic field in a second direction; and
a hardware processor configured to:
compute a plurality of constants related to integrals around the contour, where the constants are computed based on the signals generated by two or more of the plurality of magnetic sensor pairs, and
derive a measure of current in the at least one wire based on the constants.

US Pat. No. 10,712,368

DEVICE FOR INTEGRATED CURRENT MEASUREMENT INSIDE A HIGH-VOLTAGE CONTACT OF A HYBRID MODULE

1. A device for integrated current measurement inside a high-voltage contact of a hybrid module, comprising:a printed circuit board having a current sensor chip and a current supply element arranged on the printed circuit board; and
a high-voltage contact-making plug connection which is mounted on the printed circuit board,
wherein the high-voltage contact-making plug connection has at least one Hall ring and at least one busbar which is passed through the Hall ring, wherein the Hall ring has an open cross section and the current sensor chip is at least partially accommodated in the open cross section,
wherein a connecting element is passed through an opening in the current supply element and through an opening in a first end of the busbar to fix the high-voltage contact-making plug connection to the printed circuit board.

US Pat. No. 10,712,367

METHOD FOR ANALYZING A SIGNAL AS WELL AS MEASUREMENT AND ANALYZING DEVICE

1. A method for using a measurement and analyzing device including a hardware processing unit and a display device to analyze a signal, the method comprising:responsive to receiving said signal, storing said signal in a data storage as an acquired waveform;
displaying with the hardware processing unit the acquired waveform in a first display region of the display device;
conducting with the hardware processing unit at least one measurement on said signal in order to obtain measurement values, said measurement being conducted on the acquired waveform of said signal;
deriving with the hardware processing unit a curve of said measurement values over time, said curve being generated by said measurement and analyzing device rather than inputted to said measurement and analyzing device;
displaying with the hardware processing unit said curve in a second display region of the display device;
applying with the hardware processing unit at least one trigger function to said curve such that a trigger event is generated when said at least one trigger function is triggered by said curve; and
displaying with the hardware processing unit on the display device the trigger event at a position in the curve where the trigger function is triggered.

US Pat. No. 10,712,365

MICROFLUIDIC CELL FOR ATOMIC FORCE MICROSCOPY

New Jersey Institute of T...

1. A microfluidic cell for in situ atomic force microscopy (AFM) measurement of a sample, the liquid cell comprising:a cantilever holder attached to a cantilever probe to position the cantilever probe near a surface of a sample;
a lid part coupled to the cantilever holder;
a microfluidic cell housing for atomic force microscopy (AFM) measurement or imaging of the sample during filtration, the microfluidic cell housing includes a top surface defining an opening, an upper part, a lower part, an inlet passage and a first fluid outlet passage both located in the upper part, a second fluid outlet passage located in the lower part, and an internal cavity defined by the microfluidic cell housing for a filtering fluid that is moving by being injected or pumped into the upper part through the inlet passage; and
wherein, the microfluidic cell housing allows real-time and in situ observations and measurements of membrane properties and surface characteristic evolutions during filtration, fouling, and/or aging processes of the sample, wherein the filtering fluid is not static and continuously passes through the sample and changes sample properties due to deposition of particles in the filtering fluid.

US Pat. No. 10,712,364

METROLOGY DEVICES FOR RAPID SPECIMEN SETUP

Board of Regents, The Uni...

1. A metrology device, comprising:a first stage comprising a microelectromechanical (MEMS) device having a probe;
a second stage configured to hold a sample; and
a kinematic coupler for constraining the first stage in six degrees of freedom and in a fixed position relative to the second stage, wherein the probe of the MEMS device is precisely aligned with a feature of interest of the sample when the first stage is constrained in the fixed position relative to the second stage, and wherein the first stage is arranged on the second stage.

US Pat. No. 10,712,362

CALIBRATING SENSOR UNIT ORIENTATION FOR USE IN A VEHICLE MONITORING SYSTEM

SmartDrive Systems, Inc.,...

1. A system configured to calibrate orientation of an accelerometer in a vehicle that includes a sensor set, wherein the sensor set is configured to generate output signals conveying vectors of acceleration of the vehicle, wherein the sensor set has a three-dimensional orientation in relation to the vehicle, the system configured to couple with the vehicle, the system comprising:one or more processors configured to:
determine a gravity vector, wherein the determination of the gravity vector is based on the output signals generated by the sensor set, and wherein the determination of the gravity vector is further based on a determination that the vehicle is stopped;
perform a comparison of a rate of acceleration of the vehicle with a threshold level of acceleration to determine whether a magnitude of the rate of acceleration of the vehicle has exceeded the threshold level of acceleration such that the magnitude of the rate of acceleration of the vehicle is sufficient to assume the vehicle is not turning left or right but moving straight;
determine the vehicle is longitudinally accelerating and not turning left or right, wherein the determination is based on the comparison of the rate of acceleration of the vehicle with the threshold level of acceleration, wherein the magnitude of the rate of acceleration of the vehicle has exceeded the threshold level of acceleration;
subsequent to the determination that the vehicle is longitudinally accelerating, determine a longitudinal vector of the vehicle based on the generated output signals; and
determine the three-dimensional orientation of the sensor set in relation to the vehicle, wherein determination of the three-dimensional orientation is based on the gravity vector and the longitudinal vector.

US Pat. No. 10,712,361

MULTIPLE METER DETECTION AND PROCESSING USING MOTION DATA

The Nielsen Company, New...

1. A system for detecting multiple portable computing devices being physically carried by one person, the system comprising:an input to receive media exposure data from a first one of a plurality of portable computing devices;
the input to receive segmented accelerometer data from the plurality of portable computing devices, the segmented accelerometer data segmented based on accelerometer data associated with at least one of walking, stopping, running, or sitting;
a processor, operatively coupled to the input, to extract features from the segmented accelerometer data, the processor forming accelerometer classification data for respective ones of the plurality of portable computing devices based on the extracted features;
the processor to compare the accelerometer classification data for the first portable computing device to at least one of (i) the accelerometer classification data for respective ones of the plurality of portable computing devices and (ii) stored accelerometer classification data for respective ones of the plurality of portable computing devices, to determine if accelerometer classification data for the first portable computing device is sufficiently similar to a second one of the plurality of portable computing devices;
the processor to identify the first portable computing device and the second portable computing device as being physically carried by a same person when the comparison determines that the accelerometer classification data for the first portable computing device is sufficiently similar to the accelerometer classification data for the second portable computing device; and
in response to identifying the first and second portable computing devices as being carried by the same person, the processor to credit the media exposure data for one of the first portable computing device or the second portable computing device, thereby reducing inaccurate media measurement results.

US Pat. No. 10,712,360

DIFFERENTIAL CHARGE TRANSFER BASED ACCELEROMETER

AZOTEQ (PTY) LTD, Paarl ...

11. An integrated circuit for measuring a differential change between first and second mutual capacitances of a MEMS circuit, wherein receiver electrodes of said first and second mutual capacitances are joined to form a common electrode, said integrated circuit performing charge transfer measurements to transfer charge to a reference capacitor, with a plurality of current mirror structures used to scale and control the amount of charge being transferred to said reference capacitor, wherein a digitally controlled variable capacitor is used to change the amount of charge stored in said reference capacitor, with said integrated circuit performing first and second charge transfer measurements, each comprising a number of charge transfer cycles used to transfer charge from the common electrode to the reference capacitor, said first measurement characterised by driving a transmit electrode of said first capacitance high first, said second measurement characterised by driving a transmit electrode of said second capacitance high first; and wherein the integrated circuit compensates for parasitic capacitances in said MEMS circuit through the use of a sample-and-hold circuit selectively connected to said common electrode to maintain its voltage during a charge phase of a charge transfer cycle.