US Pat. No. 10,795,144

MICROSCOPY WITH STRUCTURED PLANE ILLUMINATION AND POINT ACCUMULATION FOR IMAGING AND NANOSCALE TOPOGRAPHY

Howard Hughes Medical Ins...

1. A method comprising:(a) bathing a sample in a first solution, the solution including freely-diffusing first labels suspended in the solution, which have a binding affinity for a first structure on or within the sample and that emit light in response to excitation light;
(b) providing a sheet of excitation light to the sample, the sheet of excitation light having a FWHM thickness;
(c) imaging onto a detector, with a detection objective having a depth of focus that is comparable to or greater than the FWHM thickness, light emitted from labels that diffuse from the solution onto or into the sample and become bound to the structure, wherein the light is emitted in response to light provided by the sheet of excitation light, an optical axis of the detection objective being perpendicular to the sheet of excitation light;
(d) controlling the bathing of the sample with the solution that includes the labels and controlling the imaging of the light emitted from the bound labels, such that the imaged light from different individual labels bound to the structure is resolved on the detector; and
(e) repeating (b)-(d) to image, at different times, light from labels bound to the structure at different locations on or within the sample.

US Pat. No. 10,795,143

MICROSCOPY SYSTEM AND MICROSCOPY METHOD FOR RECORDING FLUORESCENCE IMAGES AND WHITE-LIGHT IMAGES

Carl Zeiss Meditec AG, J...

1. A microscopy method for recording fluorescence images and white-light images, the method comprising:simultaneously exciting a plurality of fluorescent dyes arranged in an object region and illuminating the object region by directing illumination light having at least one illumination light spectrum EX onto the object region;
producing a common beam path to guide fluorescence produced by the fluorescent dyes and visible light emanating from the object region;
spatially separating the common beam path into a fluorescence beam path and a white-light beam path;
imaging the object region into a fluorescence image plane via the common beam path and the fluorescence beam path;
recording a fluorescence image of fluorescence guided via the fluorescence beam path in the fluorescence image plane;
imaging the object region into a white-light image plane via the common beam path and the white-light beam path;
recording a white-light image of the visible light guided via the white-light beam path in the white-light image plane;
suppressing light guided to the fluorescence image plane in a wavelength range that is substantially complementary to a wavelength range EM;
wherein either the spatial separation is implemented such that light of a wavelength range PM, guided in the common beam path, is transferred into the fluorescence beam path and that light of a wavelength range substantially complementary to the wavelength range PM, guided in the common beam path, is transferred into the white-light beam path, or
wherein the spatial separation is implemented such that light of the wavelength range PM, guided in the common beam path, is transferred into the fluorescence beam path and into the white-light beam path, and light guided to the fluorescence image plane in a wavelength range, which is substantially complementary to the wavelength range PM, is suppressed; and
wherein the following applies:
EX=(WL\DM)?DX,
EM=WL ?DM, and
PM=DM,
wherein
WL represents a wavelength range of white light,
DM represents emission wavelength ranges of the fluorescent dyes, and
DX represents excitation wavelength ranges of the fluorescent dyes.

US Pat. No. 10,795,142

CELL-IMAGE ACQUISITION DEVICE

OLYMPUS CORPORATION, Tok...

1. A cell-image acquisition device comprising:a stage that supports a vessel containing a cell together with a culture fluid;
a light source that emits illumination light;
a focusing lens that is disposed below the stage and that focuses, when the illumination light emitted from the light source is made to enter from above a liquid surface of the culture fluid, light transmitted through the vessel;
an aperture that is disposed so as to block part of the light focused by the focusing lens;
an image acquisition element that acquires an image of light passing through the aperture and that has a plurality of pixels arrayed in a straight line;
a movement mechanism that comprises guide rails and a motor and that moves the light source, the focusing lens, the aperture, and the image acquisition element, relative to the stage, in a horizontal direction perpendicular to an array direction of the pixels; and
a controller that adjusts an incident angle of the illumination light on the liquid surface of the culture fluid, about an axis parallel to the array direction of the pixels of the image acquisition element.

US Pat. No. 10,795,141

LED ILLUMINATION IN MICROSCOPY

Cytiva Sweden AB, Uppsal...

1. A microscopy instrument, the microscopy instrument comprising:a light emitting diode (LED) arrangement comprising:
a light emitter having a width;
a part-spherical, light transmissive cap in light communication with the light emitter, the cap including a curved surface having a radius, and the curved surface including a first portion configured to reflect light emitted from the light emitter and a second portion configured to allow light emitted from the light emitter to exit the cap; and
an objective lens configured to focus light from the LED arrangement onto a sample,
wherein a ratio of the radius of the curved surface of the cap to the width of the light emitter is between 10:1 and 20:1,
wherein the first portion of the curved surface is adjacent the second portion of the curved surface along an exterior of the curved surface,
wherein the curved surface of the cap is generally hemispherical,
wherein the cap further includes a generally flat surface across a diametric base of the hemispherical surface, and
wherein the light emitter is proximal to a central region of the generally flat surface.

US Pat. No. 10,795,140

METHOD, DEVICE AND LASER SCANNING MICROSCOPE FOR GENERATING RASTERIZED IMAGES

ABBERIOR INSTRUMENTS GMBH...

1. A method of generating rasterized images of a sample, comprising the steps:locally exciting the sample for emitting photons at a position of an effective local excitation;
scanning the sample with the position of the effective local excitation;
detecting the photons emitted out of the sample;
prior to performing rasterization, recording the respective position of the effective local excitation of the sample for each of the detected photons;
prior to performing rasterization, evaluating the recorded positions of the effective local excitation of the sample for emitting the detected photons and, based at least in part on the recorded positions, setting a pixel size of image points of an image to be rasterized to an optimized pixel size; and
during rasterization, assigning each detected photons to a respective image point of an image being rasterized into which the respective position of the effective local excitation recorded for the particular detected photon falls.

US Pat. No. 10,795,139

LOW-NOISE SPECTROSCOPIC IMAGING SYSTEM USING SUBSTANTIALLY COHERENT ILLUMINATION

DAYLIGHT SOLUTIONS, INC.,...

1. A method for analyzing a sample comprising:capturing information of the sample for a first image with an image sensor during a first image capture time;
directing an illumination beam at the sample with a tunable light source; and
controlling the tunable light source so that the illumination beam has a center optical frequency that is modulated at least one cycle from a first optical frequency to a second optical frequency, and back from the second optical frequency to the first optical frequency during the first image capture time while the image sensor is accumulating the information for the first image; wherein a difference between the first optical frequency and the second optical frequency is at least one wavenumber.

US Pat. No. 10,795,138

FLUORESCENCE MICROSCOPE INSTRUMENT COMPRISING AN ACTIVELY SWITCHED BEAM PATH SEPARATOR

DEUTCHES KREBSFORSCHUNGSZ...

1. A fluorescence microscope instrument comprising:a pulsed light source configured to provide light to be directed to a sample;
a detector configured to detect fluorescence light emitted out of the sample;
an objective configured to focus the light from the light source into a focal area within the sample and to collect the fluorescence light emitted out of the focal area to be detected by the detector; and
a beam path separator
arranged in a first beam path of the light from the light source between the light source and the objective and in a second beam path of the fluorescence light between the objective and the detector, and
separating the second beam path of the fluorescence light from the first beam path of the light from the light source,
wherein wavelengths of the light to be directed to the sample and of the fluorescence light to be detected by the detector fall into a range of wavelengths extending from a low end wavelength up to an upper wavelength which is at least 120% of the low end wavelength,
wherein the beam path separator is configured to be transferred, within a sum of the travel time of the light of the light source from the beam path separator to the sample and the travel time of the fluorescence light from the sample to the beam path separator, between
a first state in which the beam path separator is transparent by at least 75% for light of any wavelength falling into the range of wavelengths and coming along the first beam path of the light from the light source to the sample, and
a second state in which the beam path separator is transparent by at least 75% for light of any wavelength falling into the range of wavelengths and coming along the second beam path of the fluorescence light from the sample to the detector, and
wherein the beam path separator is configured to be transferred out of its first state into its second state after each light pulse of a plurality of light pulses from the pulsed light source.

US Pat. No. 10,795,137

IMAGE-SPACE TELECENTRIC LENS

YOUNG OPTICS INC., Hsinc...

1. An image-space telecentric fixed focal lens comprising in order from a magnified side to a minified side:a first lens group having negative refractive power and at least one aspheric lens;
an aperture stop; and
a second lens group having positive refractive power and at least four lenses, the at least four lenses including one aspheric lens and a cemented triplet of positive refractive power, the cemented triplet being nearest the aperture stop as compared with other lens in the second lens group, wherein a total number of lenses having refractive power in the image-space telecentric fixed focal lens is no more than nine, and the conditions:
TT<100 mm and 0.5

US Pat. No. 10,795,136

WAFER LEVEL LENS STACK, OPTICAL SYSTEM, ELECTRONIC DEVICE AND METHOD

SONY CORPORATION, Tokyo ...

1. A wafer level lens stack, comprising:a substrate having a first side and a second side, the second side being opposite to the first side;
a first lens on the first side of the substrate, the first lens having fixed refraction characteristic;
a second lens on the second side of the substrate, wherein the second lens has tunable refraction characteristic; and
an actuator adapted to change the tunable refraction characteristic of the second lens, the actuator including an electrode layer between a curved portion of the first lens and the second lens.

US Pat. No. 10,795,135

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 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 the first annular surface is exposed to air; and
a 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 light absorbing portion are different from a plastic material and a color of the light transmitting portion, and the 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;
wherein a maximum outer diameter of the light transmitting portion is ?W, a maximum outer diameter of the light absorbing portion is ?B, and the following condition is satisfied:
0.82

US Pat. No. 10,795,134

MINIATURE TELEPHOTO LENS ASSEMBLY

Corephotonics Ltd., Tel ...

1. A lens system, comprising: a lens assembly having an effecting focal length (EFL) and comprising a plurality of refractive lens elements arranged along an optical axis, wherein at least one surface of at least one lens element is aspheric; the lens system further comprising a window positioned between the plurality of lens elements and an image plane;wherein the lens system has a total track length (TTL) of 6.5 millimeters or less, wherein a ratio TTL/EFL<1.0, and wherein the plurality of lens elements comprises, in order from an object side to an image side, a first lens element with a focal length f1 and positive refractive power, a second lens element with a focal length f2 and negative refractive power and a third lens element with a focal length f3, wherein the first lens element has an Abbe number greater than 50 and the second lens element has an Abbe number smaller than 30, wherein either f1, f2 and f3 fulfil the condition 1.2×|f3|>|f2|>1.5×f1 or f1

US Pat. No. 10,795,133

IMAGING LENS

KANTATSU CO., LTD., Toky...

1. An imaging lens comprising:a first lens having positive refractive power;
a second lens;
a third lens;
a fourth lens having negative refractive power;
a fifth lens; and
a sixth lens, arranged in this order from an object side to an image plane side with spaces in between each of the lenses,
wherein said imaging lens has a total of six lenses,
said first lens is formed in a shape of a meniscus lens so that a surface thereof on the object side is convex toward the object side near an optical axis thereof,
said third lens is formed in a shape of a meniscus lens near an optical axis thereof,
said fourth lens is formed in a shape so that a surface thereof on the object side is concave toward the object side near an optical axis thereof,
said fifth lens is formed in a shape so that two surfaces thereof are aspheric,
said sixth lens is formed in a shape so that two surfaces thereof are aspheric and the surface thereof on the image plane side is convex toward the image plane side near an optical axis thereof, and
said fifth lens has a thickness T5 along an optical axis thereof, said sixth lens has a thickness T6 along the optical axis thereof, said fourth lens has an Abbe's number ?d4, said fifth lens has an Abbe's number ?d5, and said sixth lens has a focal length f6 so that the following conditional expressions are satisfied:
0.5 15 35 ?2.0

US Pat. No. 10,795,132

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/f2?10;
1.7?n2?2.2;
1.7?n6?2.2;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
n2: the refractive index of the second lens;
n6: the refractive index of the sixth lens.

US Pat. No. 10,795,131

CAMERA OPTICAL LENS

AAC Communication Technol...

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens having a positive refractive power, a second lens having a negative refractive power, a third lens having a negative refractive power, a fourth lens having a positive refractive power, and a fifth lens a negative refractive power; wherein the camera optical lens further satisfies the following conditions:0.83 0.55 100 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;
f3: the focal length of the third lens;
f4: the focal length of the fourth lens;
f5: the focal length of the fifth lens;
R3: the curvature radius of object side surface of the second lens;
R5: the curvature radius of object side surface of the third lens;
R6: the curvature radius of image side surface of the third lens.

US Pat. No. 10,795,130

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 camera optical lens further satisfies the following conditions:0.5?f1/f?10;
?3.02?(R3+R4)/(R3?R4)??0.93;
1.7?n1?2.2;
1.7?n3?2.2;
0.08?d3/TTL?0.2;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
R3: the curvature radius of the object side surface of the second lens;
R4: the curvature radius of the image side surface of the second lens;
n1: the refractive power of the first 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. 10,795,129

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 second lens has a positive refractive power, the third lens has a negative refractive power; the camera optical lens further satisfies the following conditions:
0.5?f1/f?10;
1.7?n5?2.2;
1.75?n6?2.2; where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
n5: the refractive index of the fifth lens;
n6: the refractive index of the sixth lens.

US Pat. No. 10,795,128

IMAGE CAPTURING OPTICAL LENS ASSEMBLY, IMAGE CAPTURING DEVICE AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An image capturing 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 having negative refractive power;
a second lens element having an object-side surface being convex;
a third lens element;
a fourth lens element having an image-side surface being convex; and
a fifth lens element having negative refractive power;
wherein a total number of the lens elements in the image capturing optical lens assembly is five, a number of the lens elements having an Abbe number smaller than 40 is Nv40, a focal length of the image capturing optical lens assembly is f, an entrance pupil diameter of the image capturing optical lens assembly is EPD, and the following conditions are satisfied:
Nv40=5; and
f/EPD<1.80.

US Pat. No. 10,795,127

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 having a positive refractive power; wherein the camera optical lens consists of six lenses, the fifth lens has a negative refractive power with a concave object side surface and a convex image side surface; and further satisfies the following conditions:0.5?f1/f?10;
1.7?n3?2.2;
1.7?n4?2.2;
?2.124?f3/f??1.47;
?5.64?f5/f??1.8;
?5.84?(R9+R10)/(R9?R10)??1.64;
0.03?d9/TTL?0.11;wheref: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f3: the focal length of the third lens;
f5: the focal length of the fifth lens;
R9: the curvature radius of the object side surface of the fifth lens;
R10: the curvature radius of the image side surface of the fifth lens;
d9: the thickness on-axis of the fifth lens;
TTL: the total optical length of the camera optical lens;
n3: the refractive power of the third lens;
n4: the refractive power of the fourth lens.

US Pat. No. 10,795,126

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 having a positive refractive power, a second lens having a positive refractive power, a third lens having a positive refractive power, a fourth lens having a positive refractive power, a fifth lens having a negative refractive power, and a sixth lens having a positive refractive power; wherein the camera optical lens further satisfies the following conditions:0.5?f1/f?10;
?109.44?(R1+R2)/(R1?R2)??7.37.
1.7?n5?2.2;
1.7?n6?2.2;
where
f: a focal length of the camera optical lens;
f1: a focal length of the first lens;
R1: a curvature radius of object side surface of the first lens;
R2: a curvature radius of image side surface of the first lens;
n5: a refractive index of the fifth lens;
n6: a refractive index of the sixth lens.

US Pat. No. 10,795,125

CAMERA OPTICAL LENS

AAC Optics Solutions Ptd....

1. A camera optical lens comprising, from an object side to an image side in sequence: a first lens has a positive refractive power, a second lens has a negative refractive power, a third lens has a negative refractive power, a fourth lens has a positive refractive power, a fifth lens has a positive refractive power, a sixth lens has a negative refractive power and a seventh lens has a negative refractive power; wherein the camera optical lens further satisfies the following conditions:1?f1/f?1.5;
1.7?n3?2.2;
?2?f3/f4?2;
0.5?(R13+R14)/(R13?R14)?10;
1.7?n6?2.2;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f3: the focal length of the third lens;
f4: the focal length of the forth lens;
n3: the refractive index of the third lens;
n6: the refractive index of the sixth lens;
R13: the curvature radius of object side surface of the seventh lens; and
R14: the curvature radius of image side surface of the seventh lens.

US Pat. No. 10,795,124

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;
v1?60;
1.7?n4?2.2;
0.02?d1/TTL?0.15;
0.6?f12/f?2.85;
where
f: the focal length of the camera optical lens;
f1: the focal length of the first lens;
f12: the combined focal length of the first lens and the second lens;
v1: the abbe number of the first lens;
n4: the refractive index of the fourth lens;
d1: the thickness on-axis of the first lens;
TTL: the total optical length of the camera optical lens.

US Pat. No. 10,795,123

OPTICAL IMAGING LENS ASSEMBLY, IMAGE CAPTURING UNIT AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An optical imaging 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 having an image-side surface being concave in a paraxial region thereof;
a second lens element with negative refractive power having an image-side surface being concave in a paraxial region thereof;
a third lens element with positive refractive power having an image-side surface being convex in a paraxial region thereof;
a fourth lens element having positive refractive power; and
a fifth lens element with negative refractive power having an object-side surface being concave in a paraxial region thereof and an image-side surface being convex in a paraxial region thereof;
wherein a curvature radius of an object-side surface of the third lens element is R5, a curvature radius of the image-side surface of the third lens element is R6, a focal length of the optical imaging lens assembly is f, a focal length of the second lens element is f2, a focal length of the fourth lens element is f4, an axial distance between the first lens element and the second lens element is T12, an axial distance between the third lens element and the fourth lens element is T34, a central thickness of the third lens element is CT3, and the following conditions are satisfied:
0<(R5+R6)/(R5?R6);
f/T34<1.0;
T12/CT3<0.92; and
|f4/f2|<0.70.

US Pat. No. 10,795,122

OPTICAL IMAGING SYSTEM

Samsung Electro-Mechanics...

1. An optical imaging system comprising:a first lens comprising a convex object-side surface and a concave image-side surface in paraxial regions thereof;
a second lens comprising a concave object-side surface in a paraxial region thereof;
a third lens having a positive refractive power and comprising a concave object-side surface and a convex image-side surface in paraxial regions thereof;
a fourth lens comprising a concave object-side surface in a paraxial region thereof; and
a fifth lens comprising a convex object-side surface in a paraxial region thereof and having an inflection point formed on an image-side surface thereof,
wherein the first to fifth lenses are sequentially disposed from an object side of the optical imaging system toward an imaging plane of the optical imaging system, and
TTL/(ImgH*2)<0.65 is satisfied, where TTL is a distance from the object-side surface of the first lens to the imaging plane, and ImgH*2 is a diagonal length of the imaging plane.

US Pat. No. 10,795,121

IMAGING LENS AND IMAGING DEVICE

MAXELL, LTD., Osaka (JP)...

1. An image lens comprising:a first lens having negative power, a second lens having negative power, a third lens having positive power, an aperture, and a fourth lens having positive power arranged in order from an object side toward an image side,
wherein the third lens has a convex shape in the object side lens surface, and the fourth lens is a cemented lens composed of an object side lens having negative power and an image side lens having positive power,
the object side lens has a convex shape in the object side lens surface,
cemented surfaces of the object side lens and the image side lens have convex shape protruding toward the object side, and
the following conditional expression (2) is satisfied:
R32 ?|R32|  (2)
where R31 represents a radius of curvature of the object side lens surface of the third lens, and R32 represents a radius of curvature of an image side lens surface of the third lens.

US Pat. No. 10,795,120

MINIATURE WIDE-ANGLE IMAGING LENS

ImmerVision, Inc., Montr...

1. A miniature wide-angle optical apparatus comprising:a light-receiving first surface;
a focal plane;
a total track length measured from a center of the first surface to the focal plane;
a miniaturization ratio with a value less than 3.0, the miniaturization ratio being a ratio of the total track length divided by an image circle diameter; and
a non-linear targeted resolution to intentionally create a zone in an image captured by the miniature wide-angle optical apparatus with a lower or higher object to image magnification compared to linear targeted resolution, the lower or higher object to image magnification being used to compensate, at least in part, for a lower image quality due to at least one of a drop of relative illumination or a drop of MTF in a zone of the image,
an opening angle of light entering the optical apparatus being over 100°.

US Pat. No. 10,795,119

IMAGING OPTICAL LENS ASSEMBLY, IMAGING APPARATUS AND ELECTRONIC DEVICE

LARGAN PRECISION CO., LTD...

1. An imaging optical lens assembly comprising six lens elements, the six lens elements being, in order from an object side to an image side: a first lens element, a second lens element, a third lens element, a fourth lens element, a fifth lens element and a sixth lens element;wherein the first lens element with negative refractive power has an image-side surface being concave in a paraxial region thereof, the second lens element has positive refractive power, the fourth lens element has an image-side surface being concave in a paraxial region thereof; the sixth lens element has an object-side surface being convex in a paraxial region thereof and an image-side surface being concave in a paraxial region thereof and comprising at least one convex critical point in an off-axis region thereof;
wherein a curvature radius of an object-side surface of the first lens element is R1, a curvature radius of an object-side surface of the fifth lens element is R9, a curvature radius of an image-side surface of the fifth lens element is R10, a focal length of the imaging optical lens assembly is f, a focal length of the second lens element is f2, a focal length of the third lens element is f3, a focal length of the fourth lens element is f4, a sum of axial distances between every adjacent lens elements of the imaging optical lens assembly is ?AT, an axial distance between the first lens element and the second lens element is T12, a maximum image height of the imaging optical lens assembly is ImgH, and the following conditions are satisfied:
?0.50<(R9+R10)/(R9?R10);
|f2/f3|+|f2/f4|<1.75;
f/R1<0.55;
1.25 1. 15

US Pat. No. 10,795,118

FOCUSING CONTROL DEVICE, IMAGING DEVICE, FOCUSING CONTROL METHOD, AND FOCUSING CONTROL PROGRAM

FUJIFILM Corporation, To...

1. A focusing control device comprising:an evaluation value calculation unit that causes an imaging element which images a subject through a focus lens to image the subject for each of positions of the focus lens while moving the focus lens movable in an optical axis direction, and calculates evaluation values for determining a focusing position of the focus lens based on captured image signals acquired through the imaging;
a focusing position determination unit that selects a plurality of evaluation values among the evaluation values calculated by the evaluation value calculation unit, calculates a maximum point of an evaluation value curve indicating a relationship between the evaluation values and the positions of the focus lens based on the plurality of selected evaluation values, and determines a position of the focus lens corresponding to the maximum point, as the focusing position;
a focusing control unit that performs focusing control to move the focus lens to the focusing position; and
a sharpness determination unit that determines sharpness of an evaluation value curve for determination indicating a relationship between the evaluation values and a predetermined movement range of the focus lens based on the evaluation values corresponding to the movement range including a position of the focus lens at which a maximum evaluation value among the evaluation values calculated by the evaluation value calculation unit is acquired,
wherein the focusing position determination unit makes, in the selecting of the plurality of evaluation values among the evaluation values calculated by the evaluation value calculation unit, number of the selected evaluation values in a case where the sharpness determined by the sharpness determination unit is equal to or lower than a sharpness threshold value to be greater than number of the selected evaluation values in a case where the sharpness determined by the sharpness determination unit is higher than the sharpness threshold value.

US Pat. No. 10,795,117

LENS BARREL AND CAMERA BODY

NIKON CORPORATION, Tokyo...

1. A camera body to which a lens barrel is removeably attachable, the camera body comprising:a first casing that includes a first connecting part that is to be connected with a first tube of the lens barrel;
a second casing that includes an imaging element and a second connecting part that is to be connected with a second tube of the lens barrel; and
a switching unit that switches a movement range of the second casing relative to the first casing between a first range state and a second range state.

US Pat. No. 10,795,116

OPTICAL MEMBER DRIVING MODULE

TDK Taiwan Corp., Yangme...

1. An optical member driving module, comprising:a base;
a carrier, holding an optical member having an optical axis;
a driving assembly, driving the carrier to move relative to the base; and
a position detector, disposed on the base and sensing the relative movement between the carrier and the base, wherein the base comprises a wall extending along the optical axis, and the position detector is disposed on the wall, wherein the driving assembly comprises a magnetic member having a longitudinal axis, and the carrier and the position detector are overlapped as seen from a direction perpendicular to the optical axis and the longitudinal axis.

US Pat. No. 10,795,115

SHOOTING APPARATUS AND FOCUSING METHOD

Olympus Corporation, Tok...

1. A shooting apparatus, comprising:a focusing lens provided within a lens barrel including a shooting lens, the focusing lens being movable in an optical axis direction;
a ring disposed so as to be rotatable with respect to the lens barrel;
a rotation detector configured to detect a rotation amount and rotation direction of the ring in a predetermined cycle period;
a rotation speed detector configured to detect a rotation speed of the ring in the predetermined cycle period;
a memory for storing a first relationship between a rotation amount of the ring and an image plane movement amount and a second relationship between a rotation amount of the ring and a movement amount of the focusing lens; and
a controller configured to execute a program of stored instructions to
(1) calculate, based on the rotation amount detected by the rotation detector and the rotation speed detected by the rotation speed detector, a moving speed of the focusing lens to control a movement of the focusing lens at the moving speed calculated in the predetermined cycle period and in accordance with the rotation direction,
(2) responsive to a determination that a rotation speed that has been detected by the rotation speed detector is smaller than a predetermined value,
calculates a movement amount of the focusing lens, constituting specified image plane movement amount with respect to the rotation amount of the ring, based on the first relationship, and
sets moving speed for the focus adjustment lens based on the movement amount that has been calculated, and the period, and
otherwise, responsive to a determination that the rotation speed is larger than the predetermined value,
calculates a movement amount based on a maximum value that can be set for movement amount based on the first relationship in a case where the rotation speed is smaller than the predetermined value, a maximum value that can be set for movement amount based on the second relationship in a case where the rotation speed is larger than the predetermined value, and the rotation amount, and
sets a moving speed for the focusing lens based on the movement amount that has been calculated, and the predetermined cycle period.

US Pat. No. 10,795,114

LENS DRIVING APPARATUS

AAC Optics Solutions Pte....

1. A lens driving apparatus, comprising:a base comprising a base body and a plurality of conductive terminals provided in the base body and insulated from each other;
a first supporting frame supported by the base body;
a second supporting frame supported by the first supporting frame;
a third supporting frame covering and fixed to the second supporting frame and enclosing an accommodating space together with the second supporting frame;
a barrel accommodated in the accommodating space; and
elastic members made of memory alloys and comprising:
a first elastic member having one end fixed to the base body and electrically connected to the plurality of conductive terminals and another end fixed to the first supporting frame, and configured to drive the first supporting frame to move in a positive or negative direction of a first direction with respect to the base body;
a second elastic member having one end fixed to the base body and electrically connected to the plurality of conductive terminals and another end fixed to the first supporting frame, and configured to drive the first supporting frame to move in the negative or positive direction of the first direction with respect to the base body;
a third elastic member having one end fixed to the first supporting frame and electrically connected to the plurality of conductive terminals and another end fixed to the third supporting frame, and configured to drive the third supporting frame and the second supporting frame to move in a positive or negative direction of a second direction with respect to the first supporting frame;
a fourth elastic member having one end fixed to the first supporting frame and electrically connected to the plurality of conductive terminals and another end fixed to the third supporting frame, and configured to drive the third supporting frame and the second supporting frame to move in the negative or positive direction of the second direction with respect to the first supporting frame;
a fifth elastic member having one end fixed to the third supporting frame and electrically connected to the plurality of conductive terminals and another end fixed to the barrel, and configured to drive the barrel to move in a positive or negative direction of a direction of an optical axis of the barrel; and
a sixth elastic member having one end fixed to the second supporting frame and electrically connected to the plurality of conductive terminals and another end fixed to the barrel, and configured to drive the barrel to move in the negative or positive direction of the direction of the optical axis,
wherein any two of the first direction, the second direction and the direction of the optical axis are perpendicular to each other.

US Pat. No. 10,795,113

DEVICE AND APPARATUS FOR IMAGING

Lenovo (Beijing) Limited,...

1. An imaging device, comprising:an imaging sensor that operatively captures an image along an optical axis;
a lens assembly comprising a first lens and a second lens, wherein the first lens is directly adjacent to the second lens such that a light beam passing through the first lens and the second lens is uninterrupted between the first lens and the second lens;
a lens holder for holding the lens assembly;
wherein:
the first and second lens at least partially overlap each other in a first direction parallel to the optical axis;
the lens holder operatively adjusts a relative arrangement between the first and second lens to focus the image on the imaging sensor;
the first lens and the second lens are movable by the lens holder in the first direction parallel to the optical axis and a second direction perpendicular to the optical axis;
the first lens and the second lens are movable independently from one another in the first direction and the second direction;
one of the first lens and the second lens is a convex lens, and the other one is a concave lens; and
the first lens and the second lens are not aspheric.

US Pat. No. 10,795,112

FOCAL PLANE SHIFT MEASUREMENT AND ADJUSTMENT IN A LENS ASSEMBLY

GoPro, Inc., San Mateo, ...

13. A method, comprising:measuring an electrical resistance change of a strain gauge coupled between a lens and an image sensor of a camera;
converting the measured electrical resistance to a shift between the lens and the image sensor of the camera;
determining a shift between an image plane and a focal plane of the camera based on the shift between the lens and the image sensor of the camera; and
correcting for optical aberration resulting from the determined shift between the image plane and the focal plane of the camera.

US Pat. No. 10,795,111

CAMERA MODULE AND VEHICLE COMPRISING SAME

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

1. A camera module comprising:a lens module; and
a circuit board unit for processing an optical image generated by the lens module, wherein
the lens module comprises:
a lens barrel for receiving a plurality of lenses;
a lens housing for receiving the lens barrel; and
a fixing member disposed in the lens housing for inhibiting the lens barrel from being displaced in the lens housing in a second direction, which is perpendicular to a first direction in which the lens barrel is inserted into the lens housing,
wherein the lens housing comprises a rear cap for covering one surface of the lens barrel inserted into the lens housing,
wherein the fixing member comprises a plurality of fixing member units having different sectional areas to form a staircase shape, and
wherein the fixing member is disposed between the lens barrel and the rear cap to support the lens barrel, a lateral surface of the fixing member surface-contacting a lateral surface of the rear cap.

US Pat. No. 10,795,110

LENS MODULE

AAC Optics Solutions Pte....

1. A lens module including:a lens barrel having a first bonding face;
a first lens including an optical portion and a non-optical portion surrounding the optical portion;
a ring-shaped fixing component installed inside the lens barrel and abutting against the non-optical portion for fixing the first lens in the lens barrel, an outer side surface of the fixing component including an attaching portion fitting with the lens barrel and a second bonding face corresponding to and spaced apart from the first bonding face, the attaching portion proximal to an object side of the lens module compared to the second bonding face, the fixing component providing an optical hole for exposing the optical portion of the first lens; wherein
both the first bonding face and the second bonding face are configured to be lumpy, and the first bonding face and the second bonding face are bonded by glue, and the first bonding face, the second bonding face and the glue form a bonding structure;
the lens barrel comprises a first barrel wall having an optical aperture and a second barrel wall extending from the first barrel wall, and the first bonding face formed on the second barrel wall,the first bonding face including a plurality of first lugs and first grooves arranged alternately, the second bonding face including a plurality of second lugs and second grooves arranged alternately, the first grooves and the second grooves filled with the glue, andthe projection length of the second bonding face on the second barrel wall is approximately two-thirds of the projection length of the entire fixing component on the second barrel wall.

US Pat. No. 10,795,109

EXCESS OPTICAL FIBER DEPLOYMENT CONTROL

Halliburton Energy Servic...

1. A method comprising:controlling insertion of an optical fiber into a tube in a tubing process;
applying a twist to the optical fiber during the tubing process;
controlling an amount of the twist to form a portion of the optical fiber as a single handed helix in the tube to control excess fiber length in the tube; and
at least one of forming an optical fiber as a single handed helix coaxial in a retrievable wireline cable, forming the optical fiber as a single handed helix, helically wound with other core elements in a retrievable wireline cable, forming the optical fiber as a single handed helix coaxial in a cable in a permanent installation, forming the optical fiber as a single handed helix helix, helically wound with other core elements in a cable in a permanent installation.

US Pat. No. 10,795,108

SPRING ASSIST CABLE CLAMPS

Hubbell Incorporated, Sh...

1. A fiber optic cable clamp comprising:a body comprising:
an elongated drop cable guide;
an elongated main span cable guide;
a main body section between the drop cable guide and the main span cable guide; and
wherein the body has a lower body half and an upper body half, wherein the lower body half is movable relative to the upper body half;
wherein when the body is in a clamping position the lower body half and upper body half of the drop cable guide form a drop cable opening and the lower body half and upper body half of the main span cable guide form a main span cable opening;
wherein the drop cable opening has a first fixed height set by at least one surface of the lower body half contacting at least one surface of the upper body; and
wherein the main span cable opening has a second fixed height set by at least one surface of the lower body half contacting at least one surface of the upper body half;
a stem extending through an opening in the lower body half of the main body section into a threaded opening in the upper body half of the main body section such that rotational movement of the stem relative to the upper body half of the main body section permits independent movement of the lower body half relative to the upper body half while the stem remains substantially perpendicular to the upper body half of the main body section, the stem having a collar; and
a spring positioned on the stem between the collar and the lower body half of the main body section to normally bias the lower body half toward the upper body half.

US Pat. No. 10,795,107

MODULAR FIBER OPTIC CASSETTE, SYSTEM AND METHOD

BELDEN CANADA ULC

1. A modular fiber optic cassette system, the system comprising:a case comprising a top and a bottom wall and two opposed side walls, each of said sidewalls attached between respective side edges of said top and bottom wall, said walls together defining a tray receiving space there between and a forward edge of each said wall together defining an opening to said tray receiving space;
at least one tray slideably received within said tray receiving space for movement between a stored position wherein said tray is completely inside said tray receiving space and an accessible position wherein a front end of said tray is in front of said opening and outside of said tray receiving space;
a set of fiber optic cassettes, a selected plurality of the cassettes arrangeable side by side along said tray front end wherein each of said cassettes comprises a plurality of optic plug receiving receptacles arranged side by side in a row along a front thereof, a first of said set of cassettes comprising a first cassette width of one of one, two, three, four and six standard width units and a second of said cassettes comprising a second cassette width different from said first cassette width and one of one, two, three, four and six standard width units; and
a fastener for removeably securing each of said cassettes to said tray
wherein when arranged on said at least one tray each of said fiber optic cassettes touches at least one other fiber optic cassette.

US Pat. No. 10,795,106

APPARATUS FOR CABLE ROUTING

1. A communication system, comprising:a housing having an open proximal face configured to receive a plurality of patch panel devices therein in a stacked arrangement;
a hanger plate assembly including:
a first hanger plate having opposing first and second surfaces, the first hanger plate extending from a first edge hingedly coupled to the housing to a second free edge, the first hanger plate adapted to support a first plurality of cables thereon; and
a second hanger plate having opposing first and second surfaces, the second hanger plate extending from a first edge hingedly coupled to the housing to a second free edge,wherein the first edge of the first hanger plate and the first edge of the second hanger plate are positioned on opposite sides of the open proximal face of the housing; anda first plurality of hangers connected to the first surface of the first hanger plate in a stacked arrangement, each hanger of the first plurality of hangers adapted to support a respective cable of the plurality of cables thereon, the first hanger plate assembly having a stored condition in which the first surface of the first hanger plate at least partially covers the open proximal face of the housing and an installation condition in which the first surface of the first hanger plate does not cover the open proximal face of the housing,
wherein in the stored condition of the hanger plate assembly, the first surface of the first hanger plate at least partially overlies the second surface of the second hanger plate
wherein in the stored condition of the hanger plate assembly, the second surface of the second hanger plate is adapted to be positioned between the first plurality of cables supported by the first hanger plate and the plurality of patch panel devices.

US Pat. No. 10,795,105

HIGH-DENSITY FIBER DISTRIBUTION TRAY

Shenzhen Fibercan Optical...

1. A high-density fiber distribution tray, comprising a tray body (2) in which a plurality of mode conversions between an input and an output are achieved; the tray body (2) is provided with a distribution area (3), a terminal area (4) and a transparent cover body (5) which is removable and clamped to the distribution area (3); the distribution area (3) includes an input mounting area (31), an output mounting area (32) and a fiber storage area (33) arranged between the input mounting area (31) and the output mounting area (32), wherein the fiber storage area (33) includes a removable welding socket (331) which is mounted from a plurality of directions; the terminal area (4) is arranged on a side surface of the output mounting area (32), wherein side holes (42) are provided in two sides of the terminal area (4) for distribution, an external side of the terminal area (4) is provided with a removable baffle panel (44) and a handle (45) which may drag the tray body (2) inside a slide rail (1), and a bottom of the terminal area (4) is provided with a first bottom hole (41) for facilitating plugging and unplugging of a terminal adapter; the input mounting area (31) includes a cable entry port (312) for mounting input cables, and a bottom of the cable entry port (312) is provided with a cable fixing seat (313).

US Pat. No. 10,795,104

COMB LASER ARRAYS FOR DWDM INTERCONNECTS

Hewlett Packard Enterpris...

1. A method for controlling a first and second array of comb laser modules disposed on a silicon interposer, the method comprising:providing power to a first comb laser module in the first array of comb laser modules, the comb laser modules of the first array having a common spectral output range;
providing power to a first comb laser module in a second array of comb laser modules, the comb laser modules of the second array having a common spectral output range;
determining a switch over event for the first array, wherein determining the switch over event for the first array comprises detecting failure of the first comb laser module in the first array by an ASIC electronically coupled to each comb laser module of the first array; and
upon determining the switch over event, switching over via the ASIC, operation of the first comb laser module in the first array to operation of a second comb laser module in the first array.

US Pat. No. 10,795,103

OPTOELECTRONIC DEVICE WITH A SUPPORT MEMBER

Hewlett Packard Enterpris...

1. An optoelectronic device comprising:a substrate;
an optical interposer disposed on the substrate;
an electronic component disposed on the optical interposer;
an optical component disposed on or in the optical interposer in one or both of electrical and optical communication with the electronic component;an optical fiber,a ferrule coupled to the optical fiber;
an optical socket receiving the ferrule therein, the optical socket to align the ferrule and the optical component when the ferrule is received therein and the optical socket is mounted on the substrate, the optical socket bondable to support members having different dimensions;
a support member disposed between the substrate and the optical socket such that the optical socket is spaced from the substrate by the support member, the support member bonded to both the substrate and the optical socket to support the optical socket on the substrate, wherein the support member is bonded directly to the interposer.

US Pat. No. 10,795,102

INTERCONNECTION SYSTEM WITH HYBRID TRANSMISSION

FUDING PRECISION COMPONEN...

1. A wall-mount kit for use with a panel-side kit in an interconnection system comprising:a core set including:
a main printed circuit board assembly including IC (Integrated Circuit) packages to transmit extremely high frequency signals; and
a secondary printed circuit board assembly including an electrical connector to deliver at least power; wherein
the secondary printed circuit board assembly is essentially located in a center region of the main printed circuit board assembly; wherein
said main printed circuit board assembly includes a main printed circuit board with a center opening, and said secondary printed circuit board assembly includes a secondary printed circuit board with said electrical connector thereon, and said electrical connector extends through the center opening.

US Pat. No. 10,795,101

OPTICAL MODULE

Hisense Broadband Multime...

1. An optical module, comprising:a bracket, and a handle and a plate both of which are connected to the bracket,
wherein the plate is rotationally connected to the bracket, and a first end of the plate is provided with a buckle, and a second end of the plate abuts against a driving portion disposed on the handle, the driving portion is configured to: while the handle is moving along a length direction of the bracket, drive the second end of the plate that abuts against the driving portion to move, resulting in rotation of the buckle provided at the first end of the plate, and
wherein the bracket is provided with a stopped portion, and the handle is provided with a stopped chute; or the bracket is provided with a stopped chute, and the handle is provided with a stopped portion, the stopped portion and the limiting chute are configured to connect with to each other to restrict a moving stroke of the handle along the length direction of the bracket.

US Pat. No. 10,795,100

REMOVABLE TRANSCEIVER MODULE

Hewlett Packard Enterpris...

1. A removable transceiver module comprising:a base frame installable in a rail-pair receptacle that at least partially surrounds a first connector in a system board;
a module base board and a second connector attached thereto; and
a lever handle pivotally attached to the base frame and coupled to the module base board;
wherein the removable transceiver module is to be installed in the receptacle in response to a lateral movement of the base frame with respect to the receptacle to align the second connector with the first connector;
wherein the lever handle is movable between a closed position to couple the second connector to the first connector and an open position to install the removable transceiver module into the receptacle, the lever handle determining a vertical move of the module base board between the closed position and the open position; and
wherein the lever handle is a contoured lever handle comprising:
one arm located at each side of the base frame, each arm having one free end pivotally attached to the base frame; and
an actuating portion joining both arms by their opposite end; and
wherein the lever handle comprises projections that, with the lever handle in its closed position, are positioned to abut against the rail-pair receptacle avoiding insertion of the removable transceiver module into the rail-pair receptacle and, with the lever handle in its open position, are positioned to allow insertion of the removable transceiver module into the rail-pair receptacle.

US Pat. No. 10,795,099

OPTICAL CONNECTING DEVICE, METHOD FOR FABRICATING OPTICAL CONNECTING DEVICE

SUMITOMO ELECTRIC INDUSTR...

1. An optical connecting device comprising:a holder part having a first end and a second end, the first end being opposite to the second end, the holder part including a first holder member, a second holder member, and a resin body, the first holder member having a first portion and a second portion, the first portion and the second portion of the first holder member being arranged in a direction of a first axis, the second holder member having a first portion and a second portion, the first portion and the second portion of the second holder member being arranged in the direction of the first axis, and the resin body bonding the first holder member to the second holder member; and
multiple optical fibers each having a first resin-uncoated fiber portion, a second resin-uncoated fiber portion, a first resin-coated fiber portion, and a second resin-coated fiber portion, the first resin-uncoated fiber portion being disposed between the first portion of the first holder member and the first portion of the second holder member so as to extend in the direction of the first axis, the second resin-uncoated fiber portion and the first resin-coated fiber portion being disposed between the second portion of the first holder member and the second portion of the second holder member, the second resin-coated fiber portion being disposed outside of the first holder member and the second holder member, and the multiple optical fibers being arranged along a first reference plane between the first portion of the first holder member and the first portion of the second holder member,
the first holder member and the second holder member being arranged in a direction of a second axis intersecting the first axis,
the first portion of the first holder member having a length greater than a length of the second portion of the first holder member,
one of the second portion of the first holder member and the second portion of the second holder member having a through-hole,
the through-hole extending in the direction of the second axis,
the first holder member providing a first inner face in the second portion thereof,
the second holder member providing a second inner face in the second portion thereof,
the first inner face of the second portion of the first holder member and the second inner face of the second portion of the second holder member extending in the direction of the first axis to the second end, and
the resin body being disposed between the first portion of the first holder member and the first portion of the second holder member, between the second portion of the first holder member and the second portion of the second holder member, and in the through-hole.

US Pat. No. 10,795,098

MODE DIVISION MULTIPLEXING USING VERTICAL-CAVITY SURFACE EMITTING LASERS

Hewlett Packard Enterpris...

1. A vertical-cavity surface-emitting laser (VCSEL) transmitter, comprising:a substrate;
a first VCSEL terminal disposed on a first side of the substrate;
a second VCSEL terminal disposed on the first side of the substrate and adjacent to the first VCSEL terminal;
a first diffraction element within a first optical path of the first VCSEL terminal, the first diffraction element to receive and change a first direction of a first light transmission having a low-order Laguerre Gaussian mode emitted from the first VCSEL terminal;
a second diffraction element within a second optical path of the second VCSEL terminal, the second diffraction element to receive a second light transmission and convert the second light transmission into a high-order Laguerre Gaussian mode; and
a mode combiner to direct the first light transmission and the second light transmission into a lens.

US Pat. No. 10,795,097

CONNECTOR WITH LATCHING MECHANISM

3M INNOVATIVE PROPERTIES ...

1. A device comprising:a hermaphroditic connector configured to mate with a mating hermaphroditic connector, the connector comprising a latching mechanism configured to mechanically unlatch the connector and the mating connector, and an actuator mechanism comprising movable first and second arms attached to a pivot arm which is operated by a lever of the actuator mechanism configured to cause the latching mechanism to disengage a retention feature from a corresponding retention feature of the mating connector by rotating the pivot arm so as to translationally move the first and second arms in opposite directions in response to operating the lever.

US Pat. No. 10,795,096

LINE-CARD

Hewlett Packard Enterpris...

1. A line-card comprising:an optical blindmate connector to connect to the midplane of the switch sub-chassis; and
a printed circuit board (PCB) including:
an application specific integrated circuit (ASIC), wherein the ASIC includes a cold-plate connected to flexible liquid lines and wherein the flexible liquid lines connect to a water block assembly, the water block assembly including a liquid blindmate connector; and
an electrical blindmate connector to connect to a midplane of a switch sub-chassis.

US Pat. No. 10,795,095

MPO OPTICAL FIBER CONNECTOR WITH A BACKPOST HAVING PROTRUSIONS TO ALIGN A CRIMP RING

Senko Advanced Components...

1. A multiple fiber push-on (MPO) optical connector comprising:a ferrule configured to house multiple optical fibers;
a housing having a distal end in a connection direction and a proximal end in a cable direction and configured to hold the ferrule, the housing further including a pair of proximal apertures and at least one proximal groove;
a backpost having a distal end urging the ferrule toward the distal end of the housing and a proximal end configured to receive a crimp ring, the backpost including a pair of proximally-extending latch arms configured to reverse latch in the proximal apertures of the housing; and wherein the backpost includes protrusions for preventing the crimp ring from extending too far distally, thereby ensuring proper positioning of the crimp ring,
wherein each latch arm comprises an outwardly protruding latch hook that is spaced apart proximally from the distal end of the backpost by a length of the respective latch arm.

US Pat. No. 10,795,094

OPTICAL FIBER CONNECTOR

Senko Advanced Components...

1. An optical fiber connector comprising:an optical fiber ferrule;
a single-piece housing, the ferrule being received inside the housing, the housing being configured to be installed in an adapter to make an optical connection; and
a rotational locking mechanism comprising a rotor mounted on the housing for rotation with respect the housing about a rotational axis, the rotor being rotatable between a locked position and an unlocked position, the rotational locking mechanism further comprising a guide pin, wherein the housing comprises an integral guide pin retainer configured to hold the guide pin in place on the housing, and further wherein the housing comprises a shaft extending along the rotational axis, the rotor being mounted on the shaft for rotation with respect to the shaft about the axis, and wherein the rotor is further configured to be pressed onto the shaft, the rotor comprising a chamfered edge surface that is configured to engage the shaft and resiliently compress the shaft radially of the rotational axis as the rotor is pressed onto the shaft.

US Pat. No. 10,795,093

OPTICAL FIBER CONNECTOR

1. An optical fiber connector, comprising a front casing and an insertion core assembly; the front casing comprises an installation hole where the insertion core assembly is installed; the insertion core assembly comprises an insertion core and a tail rod; the tail rod comprises a tail rod head portion and a tail rod necking portion; the tail rod head portion fixedly sleeves one end of the insertion core; the tail rod head portion has a quadrilateral cross section; a cross section of the installation hole also has a quadrilateral shape that matches the quadrilateral cross section of the tail rod head portion; a surface of the tail rod head portion facing towards the insertion core from back to front of the insertion core is a curved surface; an inner side wall of the installation hole is projected inwardly to form a curved hole having an inner surface that has a curved shape that matches the curved surface of the tail rod head portion, so that after the insertion core has passed through the curved hole, the tail rod is blocked by the curved hole; the optical fiber connector also comprises a rear casing connected with the front casing; the rear casing comprises a hollow aluminum press tube and a connecting rod that fixedly sleeves one end of the hollow aluminum press tube; the connecting rod is provided with a projected portion; the connecting rod is provided with a fastener; the front casing is provided with a lock opening; when the connecting rod is inserted into the front casing, the fastener locks into the lock opening, so as to fix the front casing and the rear casing.

US Pat. No. 10,795,092

OPTICAL CONNECTOR, MULTIPLE OPTICAL CONNECTOR, AND OPTICAL CONNECTION STRUCTURE

SUMITOMO ELECTRIC INDUSTR...

1. An optical connector comprising:an optical connection component configured to hold one or a plurality of optical fibers, the optical connection component having a light incidence/emission end surface at one end in a connection direction;
a first member having a cylindrical shape including a first opening and a second opening at a first end and a second end in the connection direction, respectively, the first member being movable along the connection direction with respect to the optical connection component inserted from the second opening;
a second member having a shutter part that performs opening/closing of the first opening, the second member being attached to the first member in a state of being rotatable around a rotation axis intersecting with the connection direction;
a first sealing member being in contact with the first member over a whole circumference of the first opening, the first sealing member also being in contact with the shutter part over the whole circumference of the first opening when the shutter part is in a closed state;
a second sealing member provided in a gap between an outside surface of the optical connection component and an inside surface of the first member, the second sealing member being in contact with both the outside surface of the optical connection component and the inside surface of the first member over the whole circumference of the first member, wherein the second sealing member slides with respect to the outer surface of the optical connection component or the inner surface of the first member when the first member moves along the optical connection component; and
a linkage mechanism that rotates the second member in conjunction with movement of the first member along the connection direction with respect to the optical connection component,
wherein the light incidence/emission end surface projects from the first opening by movement of the first member backward in the connection direction with respect to the optical connection component.

US Pat. No. 10,795,091

ADAPTOR FOR OPTICAL COMPONENT OF OPTICAL CONNECTOR

Hewlett Packard Enterpris...

1. An optical assembly comprising:a ferrule;
an optical component;
an adaptor for passively aligning the optical component with the ferrule, the adaptor comprising a body that is to be inserted into a recess of the ferrule so as to hold the optical component in an aligned position relative to the ferrule, the recess of the ferrule being configured to hold a reference-sized optical component, the optical component being smaller than the reference-sized optical component;
the body of the adaptor comprising:
first alignment features that are to, when the adaptor is connected into the recess of the ferrule, cooperate with alignment features of the ferrule to passively force the adaptor into a first configuration relative to the ferrule; and
second alignment features arranged such that, when the optical component is held in contact with the second alignment features and the adaptor is in the first configuration relative to the ferrule, the optical component is in the aligned position relative to the ferrule, the second alignment features comprising first, second; and third surfaces defining a recess in the body of the adaptor to receive the optical component therein, the first, second, and third surfaces extending parallel to three different respective planes.

US Pat. No. 10,795,090

FIBER OPTIC ADAPTER WITH INTEGRALLY MOLDED FERRULE ALIGNMENT STRUCTURE

CommScope Technologies LL...

1. A fiber optic adapter for interconnecting two fiber optic connectors in coaxial alignment, each connector including a generally cylindrical ferrule holding an end of an optical fiber, wherein the adapter includes a main body with an axial cavity extending between a first opening defined at a first end of the main body and a second opening defined at a second end of the main body, the first end configured to receive a first fiber optic connector through the first opening and the second end configured to receive a second fiber optic connector through the second opening for mating with the first fiber optic connector, the adapter further including a ferrule alignment structure located within the axial cavity, the ferrule alignment structure including a sleeve mount defining a first end, a second end, and a center portion, wherein the first end of the sleeve mount is positioned toward the first end of the main body and the second end of the sleeve mount is positioned toward the second end of the main body, the sleeve mount further defining an axial bore that defines a longitudinal axis extending from the first end of the sleeve mount toward the second end of the sleeve mount, the axial bore configured to receive and coaxially align the ferrules of the first and second fiber optic connectors when the connectors are inserted into the adapter, wherein the entire sleeve mount and the main body of the fiber optic adapter are unitarily molded as a single piece, wherein the sleeve mount includes a first portion extending from the center portion of the sleeve mount toward the first end of the sleeve mount and a second portion extending from the center portion of the sleeve mount toward the second end of the sleeve mount, wherein at least one of the first portion and the second portion of the sleeve mount is configured to flex out radially when receiving a ferrule-alignment sleeve into the axial bore from a respective end of the sleeve mount.

US Pat. No. 10,795,089

OPTICAL CIRCUITS AND OPTICAL SWITCHES

Hewlett Packard Enterpris...

1. A method of outputting light of mixed polarization via an optical circuit, the method comprising:receiving input light of mixed polarizations at a first polarization diversity grating of the optical circuit;
outputting the light received by the first polarization diversity grating to a first waveguide and a second waveguide, wherein the light output to the first waveguide has the same polarization as the light output to the second waveguide;
optically coupling the light output to the first waveguide to a first resonator;
optically coupling the light output to the second waveguide to a second resonator, the first and second resonators forming a first resonator pair;
outputting the light optically coupled to the first and second resonators to a second polarization diversity grating;
recombining the light output by the first and second resonators at the second polarization diversity grating;
outputting the recombined light with mixed polarizations corresponding to the input light of mixed polarizations;
optically coupling the light output to the first waveguide to a third resonator;
optically coupling the light output to the second waveguide to a fourth resonator, the third and fourth resonators forming a second resonator pair;
outputting the light optically coupled to the third and fourth resonators to a third polarization diversity grating;
recombining the light output to the third polarization diversity grating by the third and fourth resonators; and
outputting the recombined light with mixed polarizations corresponding to the input light of mixes polarizations.

US Pat. No. 10,795,088

OPTICAL NOTCH FILTER SYSTEM WITH INDEPENDENT CONTROL OF COUPLED DEVICES

Hewlett Packard Enterpris...

1. An optical notch filter system comprising:a first racetrack resonant waveguide structure, positioned to enable an input light signal to couple from a first waveguide;
a second racetrack resonant waveguide structure, positioned to enable the input light signal to couple between the first racetrack resonant waveguide structure and the second racetrack resonant waveguide structure,
a third racetrack resonant waveguide structure, positioned to enable the input light signal to couple between the second racetrack resonant waveguide structure and the third racetrack resonant waveguide structure, and further positioned to enable an output light signal to couple from the third racetrack resonant waveguide structure to a second waveguide;
a first temperature changing unit, positioned to heat or cool a first primary region including a first portion of the first racetrack resonant waveguide structure and a first portion of the second racetrack resonant waveguide structure, to change a central frequency and a passband width for the system; and
a second temperature changing unit, positioned to heat or cool a second primary region including a first portion of the third racetrack resonant waveguide structure and a second portion of the second racetrack resonant waveguide structure, to change the central frequency and the passband width for the system.

US Pat. No. 10,795,087

ULTRA-SMALL MULTI-CHANNEL OPTICAL MODULE WITH OPTICAL WAVELENGTH DISTRIBUTION

ELECTRONICS AND TELECOMMU...

1. An ultra-small multi-channel optical module with optical wavelength distribution, comprising:a plurality of optical elements configured to emit light having different wavelengths;
parallel light lenses configured to convert the light emitted by the optical elements into parallel light;
a first rectangular reflector configured to reflect the parallel light, which is converted by the parallel light lenses, in a vertical direction;
a second rectangular reflector which is disposed above the first rectangular reflector with a gap therebetween, reflects the parallel light, which are reflected by the first rectangular reflector, in a horizontal direction, and reflects parallel light, which are collinearly received, in the vertical direction;
horizontal reflectors disposed to be collinear with the second rectangular reflector with a gap therebetween and configured to reflect the parallel light, which are reflected by the second rectangular reflector, in the horizontal direction;
optical filters which are disposed between the first rectangular reflector and the second rectangular reflector, transmit the parallel light which move from the first rectangular reflector toward the second rectangular reflector, and reflect the parallel light, which move from the second rectangular reflector toward the first rectangular reflector, back toward the second rectangular reflector; and
a light collecting lens configured to receive a plurality of light beams, which are emitted by the optical elements, from the horizontal reflector.

US Pat. No. 10,795,086

UNIVERSAL PHOTONIC ADAPTOR FOR COUPLING AN OPTICAL CONNECTOR TO AN OPTOELECTRONIC SUBSTRATE

Corning Optical Communica...

1. An optoelectronic assembly for mounting to a carrier substrate, comprising:an optoelectronic substrate including optical waveguides, wherein a respective front face of the optical waveguides terminates at a face side of the optoelectronic substrate;
a photonic adaptor comprising:
a first face side for coupling the photonic adaptor to an optical connector;
a second face side for coupling the photonic adaptor to an optoelectronic substrate;
a plurality of optical fibers being arranged between the first face side and the second face side of the photonic adaptor so that a respective first front side of the optical fibers terminates at the first face side of the photonic adaptor and a respective second front side of the optical fibers terminates at the second face side of the photonic adaptor, and
at least one alignment pin projecting out of at least the first face side of the photonic adaptor, wherein the at least one alignment pin is configured to be inserted in the optical connector terminating an optical cable to align optical fibers of the optical cable to the optical fibers of the photonic adaptor;
a coupling and alignment layer including a mating structure being configured to receive the at least one alignment pin of the photonic adaptor to mate the photonic adaptor to the optoelectronic substrate;
wherein the mating structure and the at least one alignment pin are formed such that, in a mated state of the photonic adaptor and the optoelectronic substrate, the optical fibers of the photonic adaptor and the optical waveguides of the optoelectronic substrate are aligned to each other for transferring light between the optical fibers of the photonic adaptor and the optical waveguides of the optoelectronic substrate, and
the at least one alignment pin is arranged in the mating structure of the coupling and alignment layer and the at least one alignment pin is secured to the mating structure by soldering or laser welding.

US Pat. No. 10,795,085

TUBE SLITTER WITH OFF-AXIS HINGE

Ripley Tools, LLC, Cleve...

1. A tube or cable jacket slitting or cutting tool comprising:first and second opposite tool portions, each tool portion including a common hinged portion at a first end for engaging the first and second opposite tool portion, the first and second opposite tool portions being foldable about the hinged portion between an open position and a closed, folded-together position, each of the first and second opposite tool portions having a length, width, and height, with the length extending in the direction from the hinged portion at the one end to a second end opposite the hinge, the width extending in the direction perpendicular to the length, and the height extending in the direction perpendicular to the length and width, the first and second opposite tool portions meeting along a plane comprising the length and width when in the closed position;
at least one concave surface extending across the width of at least one of the first and second tool portions, the at least one concave surface forming an opening, when the first and second opposite tool portions are in the closed position, through which a tube or cable may be slid with respect to the tool;
a blade extending inward into the opening formed by the at least one concave surface for slitting or cutting a depth of the tube or cable jacket as it is moved with respect to the tool; and
a hinge pivot axis in the hinged portion extending in a direction substantially in the direction of the width and at an acute angle to either the plane or to the longitudinal axis of the tube or cable in the opening formed by the at least one concave surface,
wherein when the first and second opposite tool portions are folded to the closed position with the tube or cable in the opening, the blade cuts into the tube or cable outer jacket and movement of the tube or cable with respect to the tool in one direction to slit or cut the tube or cable jacket with the blade causes the first and second opposite tool portions to be urged toward each other.

US Pat. No. 10,795,084

GRATING WITH PLURALITY OF LAYERS

Hewlett Packard Enterpris...

1. A method, comprising:providing a base comprising a first solid-state material layer;
bonding a monocrystalline, second solid-state material layer different from the first solid-state material layer over the first solid-state material layer;
etching a first grating into the first solid-state material layer;
etching a second grating into the second solid-state material layer; and
etching the first grating by etching through the second layer to form the second grating and continuing to etch into the first layer to form the first grating.

US Pat. No. 10,795,083

HETEROGENEOUS DIRECTIONAL COUPLERS FOR PHOTONICS CHIPS

GLOBALFOUNDRIES INC., Gr...

1. A structure for a directional coupler, the structure comprising:a first waveguide core having a first section;
a second waveguide core having a second section, the second section of the second waveguide core laterally spaced from the first section of the first waveguide core; and
a first coupling element arranged over the first section of the first waveguide core and the second section of the second waveguide core,
wherein the first waveguide core and the second waveguide core are comprised of a first material having a first refractive index, the first coupling element is comprised of a second material having a second refractive index that is different from the first refractive index, the first coupling element is surrounded by a side surface that overlaps with the first section of the first waveguide core and the second section of the second waveguide core, the first material of the first waveguide core and the second waveguide core is a single-crystal semiconductor material, and the second material of the first coupling element is silicon nitride.

US Pat. No. 10,795,082

BRAGG GRATINGS WITH AIRGAP CLADDING

GLOBALFOUNDRIES INC., Gr...

1. A structure comprising:a waveguide;
a plurality of Bragg elements positioned adjacent to the waveguide, the plurality of Bragg elements separated by a plurality of grooves that alternate with the plurality of Bragg elements; and
a dielectric layer including first portions positioned to close the plurality of grooves to define a plurality of airgaps, the plurality of airgaps respectively arranged between adjacent pairs of the plurality of Bragg elements,
wherein each of the plurality of Bragg elements has a sidewall, and the dielectric layer includes second portions that are respectively positioned on the sidewall of each of the plurality of Bragg elements.

US Pat. No. 10,795,080

OPTICAL RECEIVER WITH PHOTODIODE DISPOSED DIRECTLY ON A PLANAR LIGHTWAVE CIRCUIT

Lumentum Operations LLC, ...

1. An optical receiver, comprising:a planar lightwave circuit with an optical path and a tapered reflection surface to direct an optical beam toward a top surface of the planar lightwave circuit; and
a photodiode disposed onto the top surface of the planar lightwave circuit such that a receive portion of the photodiode is aligned to the optical path,
wherein a gap between the photodiode and the planar lightwave circuit is less than 5 microns, and
wherein a bottom surface of the photodiode extends beyond an edge of the planar lightwave circuit where the top surface of the planar lightwave circuit and the tapered reflection surface meet.

US Pat. No. 10,795,079

METHODS FOR OPTICAL DIELECTRIC WAVEGUIDE SUBASSEMBLY STRUCTURE

POET Technologies, Inc., ...

1. A method comprisingforming a substrate;
forming an interconnection layer disposed on the substrate, wherein the interconnection layer comprises at least an interconnection line;
forming a waveguide on the interconnection layer,
wherein forming the waveguide comprises patterning a deposited core stack of SiON layers having a stress having a magnitude less than or equal to 20 MPa and an optical loss less than or equal to 1 dB/cm,
forming a first device aligned to the waveguide,
wherein the first device comprises at least a device terminal coupled to the interconnection line.

US Pat. No. 10,795,078

MMF OPTICAL MODE CONDITIONING DEVICE

II-VI Delaware Inc., Wil...

1. An optical device comprising:a waveguide having a first index of refraction proximate a center of the waveguide that decreases along a length of the waveguide and a second index of refraction of the waveguide proximate a periphery of the waveguide that is constant along the length of the waveguide;
a first fiber core and a second fiber core optically coupled to the waveguide such that the waveguide decreases dispersion of the optical signals travelling through the first fiber core and the second fiber core;
wherein central rays of optical signals travelling through the waveguide are refracted towards higher radii of the waveguide while outer rays of optical signals propagate unaffected through the periphery of the waveguide.

US Pat. No. 10,795,077

DISPLAY APPARATUS

SAMSUNG ELECTRONICS CO., ...

1. A display apparatus comprising:a display panel;
a light guide plate disposed behind the display panel, the light guide plate being lengthwise or widthwise smaller than the display panel;
a light source configured to emit light to a first lateral surface of the light guide plate;
a back chassis disposed behind the light guide plate and configured to accommodate a back surface of the light guide plate; and
a support structure disposed along a second lateral surface of the light guide plate different from the first lateral surface of the light guide plate, the support structure comprising a light blocking protrusion configured to block a portion of the second lateral surface,
wherein the light blocking protrusion comprises a plurality of light blocking protrusions which are spaced apart from each other along a lengthwise direction of the support structure and protrude from an end of the support structure towards the light guide plate, and
wherein the plurality of light blocking protrusions are arranged to allow a light to pass between adjacent light blocking protrusions, among the light blocking protrusions, at an edge portion of the second lateral surface, the second lateral surface being an upper surface of the light guide plate,
wherein the plurality of light blocking protrusions are further arranged to allow the light to pass between adjacent light blocking protrusions, among the light blocking protrusions, at a side portion of a third lateral surface, the third lateral surface being a side surface of the light guide plate perpendicular to the second lateral surface.

US Pat. No. 10,795,076

POWER CONNECTOR FOR AN LED STRIP ASSEMBLY OF A LIGHT FIXTURE

1. An LED strip assembly for a light fixture, the LED strip assembly comprising:a PCB strip having a front and a rear extending between a first side and a second side, the rear configured to be mounted to an inner surface of a support wall of a frame of the light fixture, the PCB strip having a power circuit, the PCB strip having LEDs mounted to the front of the PCB strip and powered by the power circuit, the PCB strip having a power pad at the front of the PCB strip electrically connected to the power circuit; and
a power connector electrically connected to the PCB strip, the power connector including a connector housing having a contact cavity, the connector housing having a main body and a mounting tab extending from the mounting tab, the main body configured to be located rearward of an outer surface of the support wall of the frame, the mounting tab configured to be mounted to the support wall of the frame of the light fixture and extend forward of the inner surface of the support wall of the frame, the power connector including a power wire assembly coupled to the main body of the connector housing, the power wire assembly including a power wire and a power wire contact terminated to the power wire, the power wire contact being received in the contact cavity, the power wire contact having a spring beam mechanically and electrically connected to the power pad at a separable mating interface to electrically connect the power wire to the power circuit.

US Pat. No. 10,795,075

BACKLIGHT MODULE AND DISPLAY DEVICE

SHANGHAI TIANMA MICRO-ELE...

1. A backlight module, comprising:an accommodation frame including a base and an extending part surrounding the base;
a first light guide plate;
a second light guide plate;
a first reflector;
a first light source corresponding to the first light guide plate; and
a second light source corresponding to the second light guide plate;
wherein:
the base and the extending part together form an accommodation space;
the first light guide plate and the second light guide plate are disposed sequentially along a direction perpendicular to a plane of the base;
the first reflector is disposed between the first light guide plate and the second light guide plate;
the first light guide plate, the first reflector, and the second light guide plate are disposed in the accommodation space;
the first reflector has a portion extended to overlap with the second light source in the direction perpendicular to the plane of the base, to receive a portion of light from the second light source and to reflect the received light into the second light guide plate;
the first light source and the second light source are controlled independently;
the first light source has a wavelength (?1), wherein 780 nm the second light source has a wavelength (?2) 380 nm??2?780 nm; and
a reflectivity of the first reflector on light emitted by the second light source is larger than a reflectivity of the first reflector on light emitted by the first light source.

US Pat. No. 10,795,074

BACKLIGHT ASSEMBLY AND DISPLAY DEVICE APPLYING THE SAME

INNOLUX CORPORATION, Mia...

1. A backlight assembly, comprising:an optical plate;
a light source, provided near the optical plate; and
a brightness redistribution film, provided above the optical plate and having a light exiting surface;
wherein, when light emitted by the light source passes through the optical plate and the brightness redistribution film, a front view angle brightness measured in a normal line direction of the light exiting surface of the brightness redistribution film has a brightness ratio relative to a maximum brightness emitted from the backlight assembly, and the brightness ratio is greater than or equal to 60% and smaller than 100%.

US Pat. No. 10,795,073

LIGHT GUIDE PLATE

DARWIN PRECISIONS CORPORA...

1. A light guide plate, comprising:a light exit surface;
a light incident surface located at a side of the light exit surface; and
a bottom surface opposite to the light exit surface, the light incident surface connecting the light exit surface and the bottom surface; wherein a plurality of light exit structures are formed on the bottom surface, and each of the light exit structures comprises:
a front mound protruding above the bottom surface;
a back mound protruding above the bottom surface and located at a side of the front mound opposite to the light incident surface; and
a concave eye shaped portion caved in from the bottom surface and located between the front mound and the back mound, wherein the concave eye shaped portion has a first slope surface connected with the front mound and a second slope surface connected with the back mound; the first slope surface and the second slope surface are connected at bottom of the concave eye shaped portion so as to form an arc-shaped junction.

US Pat. No. 10,795,072

OPTICAL CHAMBER, OPTICAL SYSTEM AND DISPLAY DEVICE

BEIJING BOE OPTOELECTRONI...

1. An optical chamber, comprising:a plurality of sidewalls, comprising a first sidewall having at least one opening, the plurality of sidewalls being configured to reflect light in the optical chamber; and
a light path adjusting element connected with the first sidewall, the light path adjusting element has an orthographic projection onto a plane where the first sidewall lies, the orthographic projection at least partially lies in an area of the opening, and the light path adjusting element is configured to uniformly emit the light reflected by the plurality of sidewalls to outside;
wherein there is an angle between the light path adjusting element and the plane where the first sidewall lies, and the angle is not equal to 0;
wherein the optical chamber further comprises a bent section, wherein the bent section has an orthographic projection onto the plane where the first sidewall lies, the orthographic projection lies in the area of the opening, the bent section is connected respectively with the first sidewall and the light path adjusting element, and a V-shaped groove is defined by the bent section and the light path adjusting element relative to the plane where the first sidewall lies;
wherein the light path adjusting element comprises a compound lens, and no opening is arranged in the light adjusting element.

US Pat. No. 10,795,071

LUMINAIRE MODULE HAVING A LIGHT GUIDE WITH A REDIRECTING END-FACE

Quarkstar LLC, Las Vegas...

1. A luminaire module comprising:one or more light-emitting elements (LEEs) arranged to provide light; and
a light guide comprising:
a receiving end and an opposing end, the receiving end arranged to receive the light provided by the LEEs;
a pair of opposing side surfaces extending along a length of the light guide between the receiving end and the opposing end, the light guide configured to guide the received light about a forward direction via reflection of the light at the pair of opposing side surfaces, along the length of the light guide to the opposing end of the light guide; and
a redirecting end-face located at the opposing end, the redirecting end-face comprising surface structure that includes one or more pairs of planar or curved portions configured to reflect the guided light incident on the redirecting end-face back into the light guide as return light, the planar or curved portions being arranged such that substantially all the return light impinges on at least one of the pair of opposing side surfaces at incident angles less than a critical angle allowing transmission of the return light from the light guide into the ambient as output light of the luminaire module, the output light to propagate in backward directions including obtuse angles relative to the forward direction,
wherein the guided light that reaches the opposing end propagates in directions entirely different from directions of propagation of the return light,
wherein substantially all the return light is transmitted into the ambient during multiple bounces at the pair of opposing side surfaces, and
wherein at least one of the opposing side surfaces is a non-planar, curved surface.

US Pat. No. 10,795,070

BACKLIGHT UNIT AND HOLOGRAPHIC DISPLAY APPARATUS INCLUDING THE SAME

SAMSUNG ELECTRONICS CO., ...

1. A backlight unit comprising:a light guide plate;
an input coupler configured to diffract and guide light incident from a light source into the light guide plate;
a light deflector disposed in a region of the light guide plate and configured to deflect light exiting the input coupler and guide the light exiting the input coupler to propagate within the light guide plate, wherein the region does not overlap with an optical path of light traveling toward and incident onto the input coupler; and
an output coupler configured to emit light having been propagated within the light guide plate to an outside of the light guide plate,
wherein the light deflector is further configured to deflect the light diffracted by the input coupler into a first light propagating in a first direction through the light guide plate based on a viewer being at a first position relative to the backlight unit and to deflect the light into a second light propagating in a second direction through the light guide plate based on the viewer being at a second position relative to the backlight unit, the second position being different from the first position, and the second direction being different from the first direction, and
wherein the output coupler is further configured to output the first light at a first emission angle and the second light at a second emission angle, the second emission angle being different from the first emission angle,
wherein the light deflector is integrated with an external device different from the light guide plate and is spaced apart from the light guide plate, and
wherein a space between the light deflector and the light guide plate is filled with a material having a refractive index identical to a refractive index of the light guide plate.

US Pat. No. 10,795,069

LIGHT GUIDE PLATE USED FOR A BACKLIGHT MODULE OF AN LCD

HEFEI XINSHENG OPTOELECTR...

1. A backlight module comprising:a light guide plate comprising:
a body region having a light exiting surface, a base surface opposite to the light exiting surface, and a side surface located between the light exiting surface and the base surface;
a light incident region located at the side surface of the body region for receiving incident light, the light incident region comprising:
a plurality of projections protruding outward from the side surface of the body region, each projection having a top surface and outer side walls, wherein apex angles included by the top surface and the outer side walls of each of the projections is in a range from about 90 degrees to about 120 degrees; and
a plurality of cavities each defined between two adjacent projections, each cavity comprising a bottom surface and inner side walls, wherein the inner side walls of the cavities are formed by the outer side walls of the adjacent projections, the bottom surface has an arc surface shape recessed inwards toward the body region; and
a light incident surface of the light incident region formed by the combination of the top surfaces of the projections, the outer side walls of the projections, and the bottom surfaces of the cavities, wherein the light incident surface receives incident light;
wherein the light guide plate is made of silicone modified polyether adhesive; and
a linear light source comprising a plurality of point light sources, wherein the linear light source faces the light incident surface of the light guide plate and is configured so that a light emitting angle of each point light source is about 120 degrees and is increased by about 0 degrees to about 10.4 degrees after being refracted by the light incident surface;
wherein the light incident surface of the light incident region is spaced apart from the linear light source by a distance of about 0.1 millimeter to about 0.4 millimeter.

US Pat. No. 10,795,068

VEHICLE BADGE

Ford Global Technologies,...

1. A vehicle badge, comprising:a base;
a circuit board disposed on the base;
a plurality of light sources disposed on the circuit board, wherein the plurality of light sources defines a pattern;
a guide member disposed on the circuit board and over the plurality of light sources, wherein the guide member defines a plurality of light guides wherein each light source of the pluralities of light sources aligns with an individual light guide;
a housing having a viewable portion that defines an arcuate exterior surface, the housing disposed over the guide member, wherein the guide member directs light from the plurality of light sources to the housing, and wherein the plurality of light guides extend different distances from the circuit board to define a curved outer portion that corresponds with the arcuate exterior surface; and
a controller operably coupled to each light source of the plurality of light sources, wherein the controller selectively illuminates each light source of the plurality of light sources.

US Pat. No. 10,795,067

CONFOCAL OPTICAL SYSTEM-BASED MEASUREMENT APPARATUS AND METHOD FOR MANUFACTURING CONFOCAL OPTICAL SYSTEM-BASED MEASUREMENT APPARATUS

Otsuka Electronics Co., L...

1. A confocal optical system-based measurement apparatus comprising:a light source;
a light projecting optical fiber group;
a light receiving optical fiber group;
a spectroscope; and
a confocal optical system configured to condense each of a plurality of beams from a plurality of light projecting optical fibers to irradiate a sample therewith, and cause a plurality of beams from a plurality of condensing points on the sample to form images on the plurality of light receiving optical fibers, respectively,
wherein the light projecting optical fiber group includes the plurality of light projecting optical fibers configured to receive light from the light source,
the light receiving optical fiber group includes the plurality of light receiving optical fibers configured to guide received light to the spectroscope,
the shape of an end face of the light projecting optical fiber group and the shape of an end face of the light receiving optical fiber group are in a mirror image relationship, and
in the light projecting optical fiber group and the light receiving optical fiber group, the shape of an end face of each light projecting optical fiber and the shape of an end face of a light receiving optical fiber corresponding thereto are in a mirror image relationship.

US Pat. No. 10,795,066

INFRARED-CUT FILTER AND IMAGING OPTICAL SYSTEM

NIPPON SHEET GLASS COMPAN...

1. An infrared-cut filter comprising:a near-infrared reflecting film; and
an absorbing film lying parallel to the near-infrared reflecting film, wherein
the near-infrared reflecting film and the absorbing film have the following features (A) to (E):
(A) when a wavelength which is in the wavelength range of 600 to 800 nm and at which spectral transmittance of light perpendicularly incident on the near-infrared reflecting film is 70% is defined as a wavelength ?HR (0°, 70%) and a wavelength which is in the wavelength range of 600 to 800 nm and at which the spectral transmittance of light perpendicularly incident on the near-infrared reflecting film is 20% is defined as a wavelength ?HR (0°, 20%), the spectral transmittance of light perpendicularly incident on the near-infrared reflecting film monotonically decreases in the range from the wavelength ?HR (0°, 70%) to the wavelength ?H R (0°, 20%) in such a manner that the wavelength ?HR (0°, 70%) is 700 nm or longer and the wavelength ?HR (0°, 20%) is 770 nm or shorter and is longer than the wavelength ?HR (0°, 70%);
(B) when a wavelength which is in the wavelength range of 600 to 800 nm and at which spectral transmittance of light incident on the near-infrared reflecting film at an incident angle of 40° is 70% is defined as a wavelength ?HR (40°, 70%) and a wavelength which is in the wavelength range of 600 to 800 nm and at which the spectral transmittance of light incident on the near-infrared reflecting film at an incident angle of 40° is 20% is defined as a wavelength ?HR (40°, 20%), the spectral transmittance of light incident on the near-infrared reflecting film at an incident angle of 40° monotonically decreases in the range from the wavelength ?HR (40°, 70%) to the wavelength ?HR (40°, 20%) in such a manner that the wavelength ?HR (40°, 70%) is 650 nm or longer and the wavelength ?HR (40°, 20%) is 720 nm or shorter and is longer than the wavelength ?HR (40°, 70%);
(C) spectral transmittance of light incident on the absorbing film at an incident angle of 40° is 20% at a wavelength ?HA (40°, 20%) which is in the wavelength range of 600 to 800 nm and which is shorter than the wavelength ?HR (40°, 20%);
(D) spectral transmittance of light perpendicularly incident on the absorbing film is 15% or less at the wavelength ?HR (0°, 20%), and the spectral transmittance of light incident on the absorbing film at an incident angle of 40° is 15% or less at the wavelength ?HR (40°, 20%); and
(E) an average of the spectral transmittance of light perpendicularly incident on the near-infrared reflecting film and an average of the spectral transmittance of light incident on the near-infrared reflecting film at an incident angle of 40° are 75% or more in the wavelength range of 450 to 600 nm, and an average of the spectral transmittance of light perpendicularly incident on the absorbing film and an average of the spectral transmittance of light incident on the absorbing film at an incident angle of 40° are 75% or more in the wavelength range of 450 to 600 nm.

US Pat. No. 10,795,064

GRATING ASSEMBLY, LIGHT SOURCE APPARATUS AND DRIVING METHOD OF THE SAME

BOE TECHNOLOGY GROUP CO.,...

1. A grating assembly, comprising:a diffraction grating, which is divided into a plurality of sub-pixels, each sub-pixel being divided into four regions, the diffraction grating being configured to change light transmitted through any one of the four regions into parallel light and to cause light transmitted through different regions of the four regions of each sub-pixel to have different directions, each sub-pixel of the diffraction grating corresponds to one of a red sub-pixel, a green sun-pixel, and a blue sub-pixel of a display device;
a selector, which is divided into a plurality of sub-pixels each of which corresponds to one of the red sub-pixel, the green sun-pixel, and the blue sub-pixel of the display device, each sub-pixel of the selector being divided into four regions corresponding to the four regions of the corresponding sub-pixel of the diffraction grating, the selector being configured to control whether each region of the four regions of each sub-pixel of the selector transmits light or not; and
a liquid crystal lens, wherein the selector and the diffraction grating are positioned on a same side of the liquid crystal lens; the liquid crystal lens comprises a liquid crystal layer provided between two substrates, a driving electrode and a common electrode configured to drive the liquid crystal layer, and the liquid crystal lens is divided into a plurality of sub-pixels corresponding to the sub-pixels of the diffraction grating, and is configured to control a direction of light transmitted through each sub-pixel of the liquid crystal lens,
wherein the selector, the diffraction grating and the liquid crystal lens are arranged in sequence along a light-emitting direction; and
wherein orthographic projections of the four regions of each sub-pixel of the diffraction grating on the selector completely overlap the four regions of the corresponding sub-pixel of the selector.

US Pat. No. 10,795,063

TRANSFLECTIVE AND NON-RECTANGULAR DISPLAY PANEL AND DISPLAY DEVICE

SHANGHAI TIANMA MICRO-ELE...

1. A transflective and non-rectangular display panel, comprising:a display region;
a non-display region surrounding the display region, wherein there is a first boundary between the display region and the non-display region, and a region surrounded by the first boundary is non-rectangular;
a plurality of pixels comprising a plurality of sub pixels, wherein each of the plurality of pixels comprises at least three of the plurality of sub pixels, and an open region of each of the plurality of sub pixels has a transmissive region and a reflective region, the plurality of pixels comprises normal pixels in the display region and abnormal pixels passed through by the first boundary, wherein in each of the sub pixels of each of the abnormal pixels, the transmissive region comprises a transmissive dark region and a transmissive light region, and the reflective region comprises a reflective dark region and a reflective light region; and
a light shielding layer, wherein the transmissive dark region and the reflective dark region are provided with the light shielding layer, and the transmissive light region and the reflective light region are not provided with the light shielding layer.

US Pat. No. 10,795,062

SYSTEMS AND METHODS FOR PRODUCING OBJECTS INCORPORATING SELECTIVE ELECTROMAGNETIC ENERGY SCATTERING LAYERS, LAMINATES AND COATINGS

Face International Corpor...

1. An object body structure, comprising:a structural body member with an energy-incident face including at least first portions and second portions; and
an energy scattering layer formed over the at least the first portions of the energy-incident face of the structural body member, the energy scattering layer having an energy-incident surface and a body side surface opposite the energy-incident surface, the energy scattering layer comprising:
a plurality of substantially-transparent spherical particles; and
a substantially-transparent matrix material that fixes the spherical particles in a layer arrangement to form the energy scattering layer,
the spherical particles being fixed in the matrix material in a manner that causes the layer arrangement to reflect substantially all of one or more selectable wavelengths of incident electromagnetic energy having a substantially planar wavefront impinging on the energy scattering layer from an energy-incident surface side, and pass other wavelengths of the incident energy through the energy scattering layer to an area in or behind the structural body member;
said manner of fixing said spherical particles defined as selecting said spherical particle size and interstitial spacing such that each of said one or more selectable wavelengths of incident electromagnetic energy having a substantially planar wavefront is scattered by said plurality of substantially-transparent spherical particles due to the selected size and interstitial spacing of said substantially-transparent spherical particles.

US Pat. No. 10,795,061

LIGHT REDIRECTING FILM WITH MULTI-PEAK MICROSTRUCTURED PRISMATIC ELEMENTS AND METHODS OF MAKING THEM

3M Innovative Properties ...

1. A film construction comprising:a light redirecting film having a first major surface and a second major surface opposite the first major surface,
wherein the first major surface of the light redirecting film comprises a plurality of microstructured prismatic elements,
wherein one or more of the microstructured prismatic elements have a first peak and a second peak,
wherein the first peak has a height H1 and the second peak has a height H2,
wherein H3 is H1-H2, and H3 is equal or greater than 1 micrometer,
an adhesive layer comprising an adhesive, wherein the adhesive layer has a first major surface and a second major surface opposite the first major surface,
a cover film having a first major surface and a second major surface opposite the first major surface,wherein the first peak of one or more of the microstructured prismatic elements penetrates at least partially into the first major surface of the adhesive layer,wherein the second major surface of the adhesive layer is adjacent to the first major surface of the cover film.

US Pat. No. 10,795,060

SYSTEM AND METHOD FOR REDUCTION OF DRIFT IN A VISION SYSTEM VARIABLE LENS

Cognex Corporation, Nati...

1. A vision system that compensates for an effect of drift in a variable lens assembly, comprising:an image sensor operatively connected to a vision system processor;
a variable lens assembly that varies a shape or a refractive index thereof; and
a fixed lens assembly configured to weaken an effect of the variable lens assembly over a predetermined operational range of the object from the fixed lens assembly,
wherein the fixed lens assembly and the variable lens assembly are part of an overall lens assembly focusing light on the image sensor and an optical power of the fixed lens assembly predominantly defines an overall optical power of the overall lens assembly thereby compensating for the effect of drift in the variable lens assembly,
wherein the fixed lens assembly comprises one of: (a) a front lens with a front concave surface and a rear convex surface and a central biconvex lens spaced from the front lens, (b) a front biconvex lens and a rear stacked lens assembly with a front positive lens, center biconcave lens and rear positive lens, (c) a front planoconcave lens and a negative lens, a central stacked lens assembly with a biconvex lens and a planoconvex lens, and a rear biconvex lens and positive lens, (d) a front planoconvex lens and positive lens and a rear positive lens and negative lens, or (e) a front stacked lens assembly with a biconvex lens and biconcave lens and a rear planoconvex lens and negative lens.

US Pat. No. 10,795,059

ULTRA THIN FRESNEL LENSES AND OTHER OPTICAL ELEMENTS

WAVEFRONT TECHNOLOGY, INC...

1. An optical element, said optical element having first and second surfaces separated from each other in a vertical direction, said optical element comprising:a plurality of Fresnel lens elements spaced in a horizontal direction with respect to each other, individual ones of said plurality of Fresnel lens elements comprising an angled facet portion and a substantially horizontal portion, said plurality of Fresnel lens elements closer in said vertical direction to said first surface than said second surface,
wherein said angled facet portion has a depth that is on average less than about 5 microns.

US Pat. No. 10,795,058

SILICONE-BASED HYDROPHILIC COPOLYMER AND HYDROGEL COMPOSITIONS COMPRISING THE SAME

Momentive Performance Mat...

1. A hydrophilic siloxane copolymer of formula (1):
wherein A and B are different, 1 of formula (1) is 1, m and n of formula (1) are independently 1-200, and 2<(1+p)<200;
W is a moiety having the general formula (2):
D—E-----   (2)wherein E is a divalent moiety chosen from a substituted, un-substituted, aliphatic, aromatic, cyclic, or acyclic hydrocarbon radical having 1-20 carbon atoms, optionally containing sulfur or oxygen; D is a monovalent hydrocarbon radical with 1-10 carbon atoms with a functional group independently selected from a hydroxy, an ether, an ester, an amine, an amide, a carboxylic acid, or a combination of two or more thereof;A is an organosilicone group-containing unit having the general formula (3):
wherein R1, R2, and R3 are independently selected from a hydrogen or monovalent hydrocarbon radical with 1 to 10 carbon atoms optionally containing a heteroatom; andwherein F is a siloxane-containing group chosen from a compound of the formula (4)-(9):
wherein R? is independently chosen from H or CH3; R? is independently chosen from a hydrocarbon radical with 1-20 carbon atoms chosen from a substituted or un-substituted aliphatic, cyclic, or aromatic hydrocarbon, which may contain a heteroatom, m in formulas (5)-(9) is an integer from 0-1, and m in formula (4) is 1; X is a functional group independently chosen from an ester or an amide; when m in formulas (5)-(9) is 0, K is independently selected from CH3, —O—[Si(CH3)2O]n-Si(CH3)3, —OSi(CH3)3;wherein R8 and R10 are independently selected from a divalent hydrocarbon radical with 1 to 5 carbon atoms and R9 is selected from a hydrogen or monovalent hydrocarbon radical with 1 to 10 carbon atoms; n is an integer selected from 1-10; J and L are independently chosen from CH3, —OSi(CH3)3, —O—[Si(CH3)2O]n-Si(CH3)3; and when m is greater than 0, J is CH3, K is —O—Si(CH3)2—; L is —OSi(CH3)2O—; and M is —[OSi(CH3)2]n—;B is a hydrophilic group-containing unit having the general formula (13)
wherein P in formula (13) is selected from O or NR14 wherein R14 is a hydrogen or monovalent hydrocarbon radical with 1 to 5 carbon atoms optionally containing a heteroatom; R11, R12 and R13 are independently selected from hydrogen or a monovalent hydrocarbon radical with 1 to 10 carbon atoms optionally containing a heteroatom; Q is a substituted or un-substituted, aliphatic, aromatic, cyclic, or acyclic hydrocarbon radical comprising of 1-50 carbon atoms, optionally containing a heteroatom, with a functional group independently selected from a hydroxyl, an ether, an ester, an amine, or a carboxylic acid; andC in formula (1) is an organic group-containing unit having the general formula (14)
wherein R15, R16, and R17 are independently selected from a hydrogen or monovalent hydrocarbon radical with 1-10 carbon atoms; R in formula (14) is selected from O or NR18 wherein R18 is a hydrogen or monovalent hydrocarbon radical with 1 to 5 carbon atoms optionally containing a heteroatom; S is a divalent hydrocarbon radical with 1-20 carbon atoms chosen from a substituted or un-substituted aliphatic, cyclic, or aromatic hydrocarbon, optionally containing a heteroatom; and T is a monovalent hydrocarbon radical with 1-10 carbon atoms with a functional moiety chosen from a hydroxyl, an epoxy, an ether, an ester, an amine, an amide, or a carboxylic acid.

US Pat. No. 10,795,057

COMPOSITION FOR MANUFACTURING CONTACT LENSES

BenQ Materials Corporatio...

1. A composition for manufacturing contact lenses comprising:a first siloxane macromer with the number average molecular weight in a range of 500 to 10,000, represented by the following formula (I)
wherein in formula (I), R1, R2 and R3 are independently C1-C4 alkyl groups, R4 is C1-C6 alkyl group, R5 is C1-C4 alkylene group, R6 is —OR7O— or —NH—, R7, R8 are independently C1-C4 alkylene groups, m is an integer of 1 to 2 and n is an integer of 4 to 80;a second siloxane macromer, with the number average molecular weight in a range of 1,000 to 10,000, represented by the following formula (II)
wherein in formula (II), R9, R10 and R11 are independently C1-C4 alkyl groups, R12, R13, R15, are independently C1-C3 alkylene groups, R14 is a residue obtained by removing NCO group from an aliphatic or aromatic diisocyanate, o is an integer of 4 to 80, p is an integer of 0 to 1 and q is an integer of 1 to 20;at least one hydrophilic monomer;
an initiator; and
a crosslinking agent;
wherein the first siloxane macromer of formula (I) is present at an amount of 20 to 45 parts by weight, the second siloxane macromer of formula (II) is present at an amount of 3 to 30 parts by weight, the hydrophilic monomer is present at an amount of 30 to 55 parts by weight, the initiator is present at an amount of 0.1 to 1.0 parts by weight and the crosslinking agent is present at an amount of 0.1 to 5.0 parts by weight based on the total amount of the composition.

US Pat. No. 10,795,056

LOCAL WEATHER FORECAST

Tianjin Kantian Technolog...

1. A method of improving accuracy of weather forecast data provided by an existing forecast provider, comprising:receiving a first set of data indicative of future weather conditions for a plurality of areas provided by the existing forecast provider, wherein the existing forecast provider provides weather forecast data only;
generating a second set of data indicative of future weather conditions for a plurality of locations based at least on the received first set of data using a local weather forecast model, wherein the local weather forecast model is based at least on a correlation between the weather forecast data provided by the existing forecast provider and data gathered by a plurality of data collection devices, wherein the local weather forecast model has been trained using historical weather forecast data provided by the existing forecast provider and historical data gathered by the plurality of data collection devices, and wherein the plurality of data collection devices are associated with the plurality of locations;
temporally interpolating the second set of data and generating a third set of data indicative of higher-frequency future weather forecasts for the plurality of locations; and
spatially interpolating the second set of data and generating a fourth set of data indicative of future weather conditions for other locations than the plurality of locations.

US Pat. No. 10,795,055

DISTRIBUTED WEATHER MONITORING SYSTEM

Fjord Weather Systems, LL...

1. A distributed weather monitoring system, comprising:a storage;
a plurality of wireless weather stations, each associated with a user and having:
a battery for providing portability of the wireless weather station;
a velocity sensor generating velocity information indicative of both speed and direction of movement of the wireless weather station;
an anemometer generating an apparent wind signal indicative of both apparent speed and apparent direction of the wind; and
a transmitter transmitting the velocity information and apparent wind signal to a network;
a server receiving the velocity information and apparent wind signal and storing them in the storage; and
an interface displaying true wind data for each of the plurality of wireless weather stations, the true wind data calculated from the apparent wind signal and velocity information.

US Pat. No. 10,795,054

SYSTEM AND METHOD FOR SENSING WIND FLOW PASSING OVER COMPLEX TERRAIN

Mitsubishi Electric Resea...

1. A wind flow sensing system for determining velocity fields of a wind flow at a set of different altitudes from a set of measurements of radial velocities at each of the altitudes, comprising:an input interface to accept the set of measurements of radial velocities at line-of-site points for each of the altitudes;
a processor configured to
determine a first approximation of the velocity field at each of the altitudes by simulating computational fluid dynamics (CFD) of the wind flow using operating parameters that minimize a cost function of a weighted combination of errors, wherein each error corresponds to one of the altitudes and includes a difference between measured velocities at the measurement points at the corresponding altitude and simulated line-of-sight velocities at the measurement points simulated by the CFD for the corresponding altitude with current values of the operating parameters, wherein the errors include a first error corresponding to a first altitude and a second error corresponding to a second altitude, wherein a weight for the first error in the weighted combination of errors is different from a weight of the second error in the weighted combination of errors;
determine a horizontal derivative of vertical velocity at each of the altitudes from the first approximation of the velocity field at each of the altitudes; and
determine a second approximation of the velocity field at each of the altitudes using geometric relationships between a velocity field for each of the altitudes, projections of the measurements of radial velocities on the three-dimensional axes, and the horizontal derivative of vertical velocity for the corresponding velocity field; and
an output interface to render the second approximation of velocity fields of the wind flow.

US Pat. No. 10,795,044

DOWNHOLE, REAL-TIME DETERMINATION OF RELATIVE PERMEABILITY WITH NUCLEAR MAGNETIC RESONANCE AND FORMATION TESTING MEASUREMENTS

Halliburton Energy Servic...

1. A method comprising:introducing a nuclear magnetic resonance (NMR) tool and a formation testing tool into a wellbore penetrating a subterranean formation;
measuring a saturation of a fluid in the subterranean formation from the NMR tool;
measuring a mobility of the fluid from the formation testing tool;
measuring a viscosity of the fluid;
calculating a relative permeability of the subterranean formation based on the measured saturation, the measured viscosity and the measured mobility; and
providing a reservoir production prediction metric based on the relative permeability of the subterranean formation for facilitating a well completion operation in the wellbore.

US Pat. No. 10,795,043

TOWABLE ELECTROMAGNETIC SOURCE EQUIPMENT

PGS Geophysical AS, Oslo...

1. A marine survey system, comprising:a negatively buoyant first cable including a first end configured to be coupled to a switched direct current (DC) power supply on a marine survey vessel and configured to provide coarse depth control of EM source equipment;
a first electrode of the electromagnetic (EM) source equipment;
a support module internal to the first electrode and coupled to a second end of the first cable;
a depth control device coupled to the first electrode and configured to provide fine control of a depth of the first electrode;
a first end of a neutrally buoyant second cable coupled to the support module; and
a second electrode of the EM source equipment coupled to a second end of the second cable; and
wherein the support module includes a circuit configured to convert switched DC power to regulated DC power and wherein the support module is configured to:
receive switched DC power from the first cable; and
provide switched DC power to the first electrode and, via the second cable, to the second electrode; and
distribute regulated DC power to the depth control device.

US Pat. No. 10,795,042

ULTRASONIC TRANSDUCER WITH SUPPRESSED LATERAL MODE

Halliburton Energy Servic...

1. An ultrasonic transducer, comprising:a transducer body, wherein the transducer body comprises:
a first face disposed on the transducer body;
a second face disposed on an opposite side of the transducer body from the first face;
a first radial section and a second radial section defined at a perimeter of the transducer body; and
a piezoelectric material;
a first transducer edge disposed on the transducer body;
a second transducer edge disposed on the transducer body, wherein the first edge is disposed on the transducer body substantially opposite from the second edge, and wherein the first transducer edge and the second transducer edge intersect the perimeter of the transducer body, and wherein the first transducer edge and the second transducer edge form an angle no less than 3 degrees; and
wherein the first transducer edge and the second transducer edge are slanted towards each other such that the transducer body has a variable width defined between the first transducer edge and the second transducer edge, and wherein a first radial section length of the first radial section is shorter than a second radial section length of the second radial section.

US Pat. No. 10,795,041

FLARED PSEUDO-RANDOM SPIRAL MARINE ACQUISITION

CONOCOPHILLIPS COMPANY, ...

1. A method for acquiring seismic data for a subsea region of the earth, the method comprising:providing a marine seismic vessel and a plurality of steerable seismic streamers, wherein the plurality of steerable seismic streamers are coupled to the marine seismic vessel for towing, wherein each of the plurality of steerable seismic streamers comprises a plurality of marine seismic receivers spaced apart along a length of each of the plurality of steerable seismic streamers, wherein the plurality of steerable seismic streamers is maintained in a flared configuration;
providing a plurality of marine seismic sources;
sailing the marine seismic vessel in a marine environment along a continuous spiral path, the continuous spiral path following a curve winding around a central point at one of an increasing distance or a decreasing distance from the central point;
towing the steerable seismic streamers through the marine environment such that the marine seismic vessel and each of the plurality of steerable seismic streamers travel along the continuous spiral path, wherein one or more segments of the continuous spiral path are elliptical or circular whose size or shape vary along a single survey, wherein the steerable seismic streamers move in a sinusoidal coarse overlain on the continuous spiral path with a center of the sinusoidal coarse falling along a line of the continuous spiral path, such that locations of the plurality of marine seismic sources and the plurality of marine seismic receivers are randomized;
exciting at least one of the marine seismic sources simultaneously with the step of towing the steerable seismic streamers so as to cause acoustic wave energy to travel through the marine environment into the subsea region of the earth;
allowing the acoustic wave energy to reflect and refract from the subsea region so as to form reflected and refracted wave energy; and
detecting reflected and refracted wave energy with the marine seismic receivers as to form detected seismic data wherein the continuous spiral path increases an effectiveness of interpolation for the detected seismic data.

US Pat. No. 10,795,040

THIN BED TUNING FREQUENCY AND THICKNESS ESTIMATION

Schlumberger Technology C...

1. A method for analyzing time-series data comprising, using at least one processor:splitting a time-series data set into a plurality of spectral components, each spectral component having an associated frequency;
determining an instantaneous frequency for each spectral component among the plurality of spectral components;
determining a frequency difference for each spectral component based at least in part on the associated and instantaneous frequencies therefor;
determining a tuning parameter based at least in part on the determined frequency difference of each spectral component; and
generating a model of a subsurface formation using at least the tuning parameter.

US Pat. No. 10,795,039

GENERATING PSEUDO PRESSURE WAVEFIELDS UTILIZING A WARPING ATTRIBUTE

PGS Geophysical AS, Oslo...

1. A method of manufacturing a geophysical data product, the method comprising:accessing a representation of an up-going pressure wavefield and a down-going pressure wavefield;
determining a warping attribute based at least in part on a difference between the up-going pressure wavefield and the down-going pressure wavefield;
determining a pseudo down-going pressure wavefield based on the up-going pressure wavefield and the warping attribute; and
using the pseudo down-going pressure wavefield to generate a modified record of geophysical data, wherein the warping attribute enables the pseudo down-going pressure wavefield to be generated from the up-going pressure wavefield without persistently storing a record of the down-going pressure wavefield, thereby reducing computational resources required to generate the modified record of geophysical data; and
storing the modified record of geophysical data on a non-transitory computer readable memory medium, thereby completing the manufacture of the geophysical data product.

US Pat. No. 10,795,038

INFORMATION PRESENTATION SYSTEM, MOVING VEHICLE, INFORMATION PRESENTATION METHOD, AND NON-TRANSITORY STORAGE MEDIUM

PANASONIC INTELLECTUAL PR...

1. An information presentation system configured to make a presentation circuit, having an ability to present multiple different pieces of information that are associated one to one with a plurality of objects to be detected which are present in an object space, change a first form of presentation of an image displayed and a second form of presentation of a sound output with respect to each of the multiple different pieces of information in accordance with distances to the plurality of objects to be detected,the information presentation system making the presentation circuit present each of the multiple different pieces of information such that the image presented in the first form and the sound presented in the second form are synchronized with each other on an individual basis,
the information presentation system making the presentation circuit shift, when presenting two different pieces of information, selected from the multiple different pieces of information, as two sounds in the second form, a timing to output one of the two sounds by at least a certain period of time with respect to a timing to output the other of the two sounds, in order to prevent the two sounds from overlapping with each other.

US Pat. No. 10,795,037

METHODS FOR PET DETECTOR AFTERGLOW MANAGEMENT

RefleXion Medical, Inc., ...

1. A radiation therapy system comprising:a radiation source configured to direct one or more radiation pulses toward a PET-avid region of interest;
a plurality of PET detectors, wherein the plurality of PET detectors are configured to detect positron annihilation photons;
a current detector configured to measure a bias current of the plurality of PET detectors; and
a controller configured to receive photon data output from the plurality of PET detectors, wherein the controller is configured to detect a pair of coincident positron annihilation photons by adjusting the photon data output using a gain factor calculated based on the measured bias current during a therapy session.

US Pat. No. 10,795,036

GAMMA-RAY IMAGING

Australian Nuclear Scienc...

1. A mask apparatus for use in compressed sensing of incoming radiation, comprising:two or more coded masks having a body portion comprised of a material that modulates the intensity of the incoming radiation;
wherein each of said masks has a plurality of mask aperture regions, that allow a higher transmission of the radiation relative to said body portion, the higher transmission being sufficient to allow reconstruction of compressed sensing measurements;
wherein said coded masks are nested; and
at least two of said coded masks are configured to rotate relative to one another.

US Pat. No. 10,795,035

CHARGED PARTICLE TRACK DETECTOR

HAMAMATSU PHOTONICS K.K.,...

1. A charged particle track detector comprising:a radiator including a medium that generates Cherenkov light by interacting with incident charged particles;
a light detection unit in which a plurality of two-dimensionally arrayed pixels are disposed to correspond to a predetermined surface of the radiator; and
a control unit configured to acquire position information and time information of the plurality of pixels that have detected the Cherenkov light based on a signal output from the light detection unit, and configured to obtain a track of the charged particles based on the acquired position information, the acquired time information, and a propagation locus of the Cherenkov light in the radiator.

US Pat. No. 10,795,034

DIGITAL X-RAY DETECTOR PANEL AND X-RAY SYSTEM INCLUDING THE SAME

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

1. A digital X-ray detector panel, comprising:a base substrate that includes an active region having a plurality of pixel regions, a wire region, and a gate driver element mounting region;
a PIN diode disposed in the active region;
a thin film transistor disposed in the active region and connected to the PIN diode;
a gate driver element disposed in the gate driver element mounting region and configured to generate a gate signal;
a gate signal wire disposed in the wire region, and configured to connect the gate driver element to the thin film transistor;
a passivation layer formed to cover the active region, the wire region, and the gate driver element mounting region; and
a light shielding layer disposed over the passivation layer and overlapping at least part of the gate driver element mounting region.

US Pat. No. 10,795,033

SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY IMAGING WITH A SPINNING PARALLEL-SLAT COLLIMATOR

1. A method for single photon emission computed tomography (SPECT) imaging, the method comprising:acquiring a plurality of SPECT planar projection vectors by a SPECT imaging system that is configured to be disposed at a fixed radial distance from a center of an object being imaged, the plurality of SPECT planar projection vectors including a plurality of photopeak projection vectors and a plurality of scatter projection vectors, the SPECT imaging system including a gamma detector and a collimator, the collimator including a plurality of parallel slats, each of the plurality of parallel slats being perpendicular to a surface of the gamma detector;
generating a plurality of scatter-corrected vectors from the plurality of SPECT planar projection vectors;
generating a spinogram from the plurality of scatter-corrected vectors;
producing a sensitivity map for the SPECT imaging system;
generating an initial image, where a center of the initial image corresponds to a center of the object; and
reconstructing a final image from the initial image by applying an image reconstruction algorithm on the initial image, the image reconstruction algorithm comprising applying the sensitivity map on the initial image;
wherein acquiring the plurality of SPECT planar projection vectors comprises:
spinning the SPECT imaging system about a first spin axis that is perpendicular to the surface of the gamma detector and passes through the center of the object;
rotating the SPECT imaging system about a SPECT rotation axis that is perpendicular to the first spin axis and passes through the center of the object;
spinning the SPECT imaging system about a second spin axis of a plurality of spin axes that is perpendicular to the SPECT rotation axis and passes through the center of the object when a SPECT rotation angle of a plurality of SPECT rotation angles satisfies a condition according to ?=m?/Nr, where:
Nr is the number of the plurality of SPECT rotation angles,
0?m ? is the SPECT rotation angle, defined as an angle between the second
spin axis and the first spin axis; and
acquiring a SPECT planar projection vector of the plurality of SPECT planar projection vectors when a SPECT spin angle of a plurality of SPECT spin angles satisfies a condition according to ?=?o+??/Ns, where:
?o is a non-zero offset angle,
Ns is the number of the plurality of SPECT spin angles,
0?? ? is the SPECT spin angle, defined as an angle between a collimator axis and the SPECT rotation axis, the collimator axis perpendicular to the planes of the plurality of parallel slats and passing through the center of the object.

US Pat. No. 10,795,032

LANTHANIDE DOPED BARIUM MIXED HALIDE SCINTILLATORS

The Regents of the Univer...

1. An inorganic scintillator having the formula: Ba1-yX1xX22-x:Ln1y (VIf); wherein X1 is CI, Br, or I, X2 is CI, Br, or I, X1 and X2 are not the same halogen element, Ln1 is a lanthanide with a valence of 2+, x has a value having the range 0.1?x<2, and y has a value having the range 0

US Pat. No. 10,795,031

RADIATION DETECTION SYSTEM AND SIGNAL PROCESSOR FOR RADIATION DETECTION

HORIBA, LTD., Kyoto (JP)...

1. A radiation detection system comprising:a radiation detector that outputs charge generated by incidence of radiation;
a preamplifier that converts the generated charge into an analog signal;
an A/D conversion part that converts the analog signal from the preamplifier into a digital signal;
a waveform shaping part that generates a pulse signal from the digital signal from the A/D conversion part;
a pulse height detection part that detects a peak value of the pulse signal from the waveform shaping part;
a count part that, on the peak value basis obtained by the pulse height detection part, counts how many times a pulse height of the pulse signal is inputted to the count part from the pulse height detection part; and
a denoising filter that is provided between the A/D conversion part and the pulse height detection part and removes noise from the digital signal or the pulse signal, wherein
the denoising filter is one that removes the noise by taking a weighted moving average of values of the digital signal or the pulse signal with use of a weighting factor depending on a difference from a predetermined reference value.

US Pat. No. 10,795,030

POINTING SYSTEM ALIGNMENT USING GNSS ATTITUDE DETERMINATION WITH REMOVABLE GNSS ANTENNA

Honeywell International I...

1. A pointing system, comprising:a sensor configured to measure a change in angular position of the pointing system;
a first Global Navigation Satellite System (GNSS) antenna;
a second GNSS antenna mounted to a rigid body, wherein the first GNSS antenna and the second GNSS antenna have a fixed, known baseline length, wherein the second GNSS antenna mounted to the rigid body is configured to be removable from the pointing system after calibration of the sensor;
at least one GNSS receiver comprising a first radio frequency input communicatively coupled to the first GNSS antenna and a second radio frequency input communicatively coupled to the second GNSS antenna, wherein the at least one GNSS receiver further comprises a first processing path to process GNSS signals received at the first radio frequency input and a second processing path to process GNSS signals received via the second radio frequency input;
at least one processor communicatively coupled to the sensor and the at least one GNSS receiver, wherein the at least one processor is configured to:
determine an initial attitude of the pointing system based on the processed GNSS signals;
calibrate the sensor using the determined initial attitude of the pointing system; and
determine a pointing solution for the pointing system based on measurements from the calibrated sensor and without GNSS signals received at the second GNSS antenna.

US Pat. No. 10,795,029

SYSTEMS AND METHODS FOR TRANSMITTING SHIP POSITIONS AND TRACKS OVER MULTIPLE COMMUNICATIONS CHANNELS

United States of America ...

1. A method for decreasing vessel AIS data transfer traffic between Automatic Identification System (AIS) architecture and vessels;said vessel data corresponding to a vessel having a requirement to transmit said vessel data to said AIS architecture;
said vessel AIS data having static segments and dynamic segments;
said vessel having a processor with a first database, memory, a cellular modem and an AIS transceiver;
said AIS architecture having a plurality of operational terrestrial AIS (t-AIS) base stations, a plurality of satellite AIS (s-AIS) satellites and at least one server, method comprising the steps of:
A) transmitting only single sentence AIS messages from said vessel to a satellite AIS (s-AIS) satellite when said vessel is within range envelope RsAIS of said s-AIS satellite, but out of range Rcell of said server, and range RtAIS of said t-AIS base stations;
B) logging multi-sentence said AIS data as dynamic historical data to a first database at predetermined intervals awhile said step A) is accomplished, but not transmitting said dynamic historical data to said s-AIS satellite;
C) switching transmission of said AIS data from said step A) from said s-AIS satellite to one of said t-AIS base stations when said vessel is within range RtAIS, while continuing to accomplish said step B);
D) toggling transmission from said step C) from said t-AIS base station to said server via said cellular modem and said cell tower, when said vessel is within range Rcell; and,
E) downloading said dynamic historical data from said first database to said AIS architecture via said cellular modem and said cell tower;
wherein location data pertaining to all currently operational said t-AIS base stations and said s-AIS satellites envelope locations has been previously stored in a second database on said vessel for access by said processor in performing said method.

US Pat. No. 10,795,028

SUPPORTING AN EXTENSION OF A VALIDITY PERIOD OF PARAMETER VALUES DEFINING AN ORBIT

HERE Global B.V., Eindho...

1. A method comprising, performed by an apparatus:receiving values of parameters defining an orbit of a satellite of a satellite navigation system for a validity period;
determining whether a particular received value of at least one parameter of a predetermined set of the parameters is saturated, wherein the particular received value is determined to be saturated when the particular received value reaches (i) a predetermined maximum value authorized for the at least one parameter in the satellite navigation system or (ii) a predetermined minimum value authorized for the at least one parameter in the satellite navigation system; and
taking into account whether the particular received value is determined to be saturated in a process of extending the validity period of one or more of the received values of parameters.

US Pat. No. 10,795,027

DEVICE, SYSTEM AND GLOBAL NAVIGATION SATELLITE SYSTEM METHOD USING LOCAL FINE TIME INFORMATION

Apple Inc., Cupertino, C...

1. An apparatus of a mobile device comprising:a processor configured to execute instructions to:
at a first time:
obtain a first Global Navigation Satellite System (GNSS) fix, wherein the first GNSS fix is based on satellite positioning signals received from a plurality of satellites;
determine a first GNSS fix time of the first GNSS fix;
receive, from a cellular modem of the mobile device, a first pulse and first pulse timing information of the first pulse, the first pulse timing information indicating a first pulse time in cellular network time; and
determine, based on the first pulse time in cellular network time and the first GNSS fix time, a GNSS-cellular time relationship; and
at a second time, subsequent to the first time:
determine that a GNSS signal from the plurality of satellites is too weak to extract time of week (TOW) information;
in response to the determination that the GNSS signal from the plurality of satellites is too weak to extract the TOW information, request, from the cellular modem of the mobile device, a second pulse;
receive, from the cellular modem of the mobile device, the second pulse and second pulse timing information of the second pulse, the second pulse timing information indicating a second pulse time in cellular network time, wherein the second pulse timing information is based on:
cumulative cell switching time offsets of inter- and intra-radio access technology (RAT) transitions of the mobile device since an immediately preceding pulse; and
a cumulative number of frame wraparounds for each RAT;
determine, based on the second pulse time and the GNSS-cellular time relationship, a GNSS time; and
obtain, based on the GNSS time and GNSS satellite positioning signals, a second GNSS fix.

US Pat. No. 10,795,026

NAVIGATION SYSTEM AND METHOD

Intel IP Corporation, Sa...

1. A navigation solution calculation method in a user device, the method comprising:sending an assistance request to a server;
receiving one or more signal path signatures associated with a first position of the user device from the server and generated based on one or more satellite signal paths between one or more satellites and the first position of the user device;
comparing the one or more signal path signatures with one or more satellite signals received from one or more satellites; and
calculating a second position of the user device based on the comparison.

US Pat. No. 10,795,025

UN-DIFFERENTIAL CORRECTION DISTRIBUTED PROCESSING SYSTEM AND METHOD BASED ON RECEIVER OF REFERENCE STATION

COMNAV TECHNOLOGY LTD., ...

10. A real-time un-differential correction generating system, comprising:a plurality of area reference stations of a global navigation satellite system (GNSS);
a precise orbit clock offset server configured to provide each of the plurality of area reference stations with a precise ephemeris; and
a phase fraction estimating server configured to calculate a corresponding phase fraction part according an un-differential real ambiguity calculated by a certain one of the plurality of area reference stations the un-differential real ambiguity and send the corresponding phase fraction part to the receiver of the certain one of the plurality of area reference stations;
wherein each of the area reference stations is configured to perform calculation of the un-differential real ambiguity according to its own observation data, and to perform calculation of real-time un-differential correction of a satellite according to the precise ephemeris and the phase fraction part.

US Pat. No. 10,795,024

IMAGING DEVICE AND ELECTRONIC DEVICE

Sony Semiconductor Soluti...

1. An imaging device, comprising:an imaging unit in which a plurality of pixels is arranged two-dimensionally and that captures an image;
a recognition processor that performs at least part of a recognition process for a first captured image output from the imaging unit;
an output I/F that outputs both a recognition result by the recognition processor or intermediate data acquired midway of the recognition process and a second captured image to an outside of the imaging device; and
an output control processor that causes at least one of the recognition result or the intermediate data and the captured image to be selectively outputted from the output I/F to the outside of the image device,
wherein the imaging unit and the recognition processor are arranged on a single chip.

US Pat. No. 10,795,023

LASER SCANNING APPARATUS AND METHOD

TELEDYNE DIGITAL IMAGING,...

1. A machine implemented method for reducing loss of data caused by blind zones in a laser scanning apparatus, the method comprising:dynamically monitoring a time of flight (TOF) of laser light pulse transmitted and received by the laser scanning apparatus;
determining whether a potential collision of an outgoing laser light pulse and an incoming signal is likely to occur; and
adjusting a pulse repetition frequency (PRF) in response to a determination that the potential collision of the outgoing laser light pulse and the incoming signal is likely to occur.

US Pat. No. 10,795,022

3D DEPTH MAP

SONY CORPORATION, Tokyo ...

1. A first device comprising:at least one processor configured with instructions to:
generate at least one image of a second device to render a first three dimensional (3D) depth map;
provide the first 3D depth map to an aggregator device configured to aggregate the first 3D depth map with a second 3D depth map generated by the second device using an image of the first device taken by the second device such that the first and second depth maps when aggregated include both the first and second devices;
classify a representation of at least a first object in at least one image used to render the first 3D depth map using a machine learning algorithm (MLA) to render a classification; and
use the classification to modify the representation.

US Pat. No. 10,795,021

DISTANCE DETERMINATION METHOD

1. A method for determining a distance between a time-of-flight (TOF) measuring device and a target, wherein the time-of-flight measuring device is configured to generate a range image of the target and includes an illumination unit, an imaging sensor, and an evaluation unit coupled with a non-transitory memory, the method comprising:defining a usable distance measurement range within which the TOF measuring device determines a distance to the target;
generating a table containing all possible wraparound count combinations for phase measurements at different modulation frequencies, wherein the table is stored in the non-transitory memory as part of the TOF measuring device configuration;
emitting light from the illumination unit into a direction of the target, wherein the light is modulated at different modulation wavelengths;
receiving at the imaging sensor the modulated light reflected from the target and generating a phase information signal based on the reflected light at the different modulation wavelengths;
using the evaluation unit, determining for each pixel of the imaging sensor, phase measurements based on the phase information signal received from the imaging sensor, wherein each phase measurement is indicative of the distance up to an integer multiple of a respective modulation wavelength;
using the evaluation unit, for each one of the possible wraparound count combinations in the table, determining a combination of unwrapped phase hypotheses based on the phase measurements;
using the evaluation unit, determining a most plausible combination of unwrapped phase hypotheses among the combinations of unwrapped phase hypotheses
by calculating, for each combination of unwrapped phase hypotheses, a gap between a point having the respective unwrapped phase hypotheses as coordinates and an origin-crossing straight line having a direction vector with coordinate representation [c/?1, . . . , c/?n], where ?1, . . . , ?n designate the different modulation wavelengths and c designates the speed of light, and selecting as the most plausible combination of unwrapped phase hypotheses the one for which the gap is smallest;
calculating the distance to the target for each pixel of the image sensor based on the selected most plausible combination of unwrapped phase hypotheses; and
generating a range image of the target using the distance calculated for each pixel.

US Pat. No. 10,795,019

OBJECT DETECTOR, SENSING DEVICE, AND MOBILE APPARATUS

RICOH COMPANY, LTD., Tok...

1. An object detector comprising:a light-emitting system including a light source that includes a plurality of light-emitting elements, each of the plurality of light-emitting elements comprising a laser, the light-emitting system to emit light; and
a light-receiving system, comprising a plurality of photodetectors, to receive the light emitted from the light-emitting system and reflected by an object;
wherein, in an XYZ three-dimensional coordinate system, the plurality of light-emitting elements is disposed in a light-emitting element array along a Z axis in a Z-axis direction in a YZ plane,
wherein the plurality of light-emitting elements emit a plurality of light beams to a plurality of areas at different positions along the Z axis in the Z-axis direction from the plurality of light-emitting elements, and
wherein an amount of light to illuminate some of the plurality of areas is different from an amount of light to illuminate other area other than the some of the plurality of areas.

US Pat. No. 10,795,018

PRESENCE DETECTION USING ULTRASONIC SIGNALS

Amazon Technologies, Inc....

1. A presence-detection device comprising:a microphone array including a first microphone oriented a first direction and a second microphone oriented in a second direction;
a loudspeaker;
one or more processors; and
one or more computer-readable media storing computer-executable instructions that, when executed by the one or more processors, cause the one or more processors to:
cause the loudspeaker to emit an ultrasonic signal at a first frequency into an environment of the presence-detection device;
generate, at least partly using the first microphone, first audio data representing a first reflection signal corresponding to a reflection of the ultrasonic signal off an object in the environment;
generate, at least partly using the second microphone, second audio data representing a second reflection signal corresponding to a reflection of the ultrasonic signal off the object;
determine, at least partly using a Fourier transform algorithm, a logarithmic transform algorithm, and the first audio data, first feature data including first magnitude-feature data and first phase-feature data corresponding to the first reflection signal;
determine, at least partly using the Fourier transform algorithm, the logarithmic transform algorithm, and the second audio data, second feature data including second magnitude-feature data and second phase-feature data corresponding to the second reflection signal;
analyze the first magnitude-feature data to determine that a second frequency of the first reflection signal is different than the first frequency of the ultrasonic signal;
determine, based at least in part on the second frequency being different than the first frequency, that the object was moving in the environment;
determine a difference between the first phase-feature data and the second phase-feature data; and
based at least in part on the difference between the first phase-feature data and the second phase-feature data, determine a direction that the object was moving in the environment.

US Pat. No. 10,795,017

DUAL POLARIZATION RADAR APPARATUS AND RADAR SIGNAL PROCESSING METHOD

Mitsubishi Electric Corpo...

1. A dual polarization radar apparatus comprising:a transmission/reception device to repeatedly perform, in turn, first transmission/reception processing to transmit a horizontally polarized wave and receive a horizontally polarized wave, second transmission/reception processing to transmit a vertically polarized wave and receive a vertically polarized wave, and either third transmission/reception processing to transmit a horizontally polarized wave and receive a vertically polarized wave or fourth transmission/reception processing to transmit a vertically polarized wave and receive a horizontally polarized wave;
a reflected-wave intensity calculator to calculate a first reflected wave intensity which is a power value of a horizontally polarized wave received through the first transmission/reception processing, calculate a second reflected wave intensity which is a power value of a vertically polarized wave received through the second transmission/reception processing, and calculate either a third reflected wave intensity which is a power value of a vertically polarized wave received through the third transmission/reception processing, or a fourth reflected wave intensity which is a power value of a horizontally polarized wave received through the fourth transmission/reception processing;
a linear-depolarization ratio calculator to calculate a linear depolarization ratio which is either a ratio between the first reflected wave intensity and the third reflected wave intensity or a ratio between the second reflected wave intensity and the fourth reflected wave intensity; and
a velocity calculator to use a pulse pair method to calculate a Doppler velocity of an observation object reflecting polarized waves, from the first reflected wave intensity, the second reflected wave intensity and either the third reflected wave intensity or the fourth reflected wave intensity,
the velocity calculator calculating a lag of autocorrelation in each of transmission polarized waves at time intervals at which a polarized wave is repeatedly transmitted by the transmission/reception device, from the first reflected wave intensity, the second reflected wave intensity and either the third reflected wave intensity or the fourth reflected wave intensity, calculating a phase difference between polarized waves repeatedly transmitted by the transmission/reception device from the lag, and calculating the Doppler velocity of the observation object, from the lag, the phase difference between polarized waves, and a Nyquist rate which indicates a range allowing the Doppler velocity to be observed.

US Pat. No. 10,795,016

METHOD AND ADS-B BASE STATION FOR VALIDATING POSITION INFORMATION CONTAINED IN A MODE S EXTENDED SQUITTER MESSAGE (ADS-B) FROM AN AIRCRAFT

1. Method for validating information regarding the position of a target-aircraft, the information contained in an ADS-B signal periodically broadcast by a target-aircraft, the method being executed in an ADS-B base station and comprising the steps of:receiving the ADS-B signal from the target-aircraft at the base station,
extracting the position information contained in the ADS-B signal,
detecting, receiving and decoding an interrogation signal from a secondary surveillance source directed to the target-aircraft and detecting and receiving a reply signal transmitted by the target-aircraft in response to the interrogation signal,
determining a time of arrival (TOA) of the received interrogation signal and of the received reply signal at the base station,
based on the time of arrival (TOA) of the interrogation signal and on the position information, determining at least one expectation time window, in which the reply signal from the target-aircraft is expected to be received by the base station,
determining whether the reply signal from the target-aircraft is received during one of the at least one expectation time window,
if the reply signal from the target-aircraft is received by the base station during one of the at least one expectation time window, enhancing the confidence level of the position information contained in the ADS-B signal.

US Pat. No. 10,795,015

SCANNING APPARATUS AND SECURITY-INSPECTION DEVICE WITH THE SAME

SHENZHEN CCT THZ TECHNOLO...

1. A scanning apparatus, comprising:at least one millimeter-wave transceiving antenna module configured to scan a to-be-imaged object in a predetermined scanning area, wherein the millimeter-wave transceiving antenna module comprises a plurality of millimeter-wave transceiving antenna units each having a signal terminal facing the predetermined scanning area;
a dustproof film covering the signal terminal of each of the millimeter-wave transceiving antenna units; and
a main body that comprises the millimetre-wave transceiving antenna module and a predetermined trajectory for the millimetre-wave transceiving antenna to travel;
the predetermined trajectory having two ends;
the millimetre-wave transceiving antenna module is configured to move along the predetermined trajectory between the two ends;
a first protection device connected to a first side of the millimetre-wave transceiving antenna module and connected to a first end of the predetermined trajectory of the main body;
the first protection device configured to be stretched out and drawn back along the predetermined trajectory as the millimetre-wave transceiving antenna module moves from the first end of the predetermined trajectory to a second end of the predetermined trajectory.

US Pat. No. 10,795,014

METHOD OF ADAPTATIVE-ARRAY BEAMFORMING WITH A MULTI-INPUT MULTI-OUTPUT (MIMO) AUTOMOBILE RADAR

THE EUCLIDE 2012 INVESTME...

1. A method of adaptative-array beamforming with a multi-input multi-output (MIMO) automobile radar, the method comprises the steps of:(A) providing a MIMO radar;
(B) transmitting a plurality of initial scanning beams with the MIMO radar, wherein the initial scanning beams are sequentially transmitted in a radial direction about the MIMO radar;
(C) receiving a plurality of reflected scanning beams with the MIMO radar, wherein each reflected scanning beam is associated with a corresponding initial scanning beam from the plurality of initial scanning beams;
(D) imaging at least one low-resolution target within each reflected scanning beam with the MIMO radar;
(E) transmitting a plurality of initial tracking beams with the MIMO radar, wherein each initial tracking beam is oriented towards the low-resolution target for a corresponding reflected scanning beam from the plurality of reflected scanning beams;
(F) receiving a plurality of reflected tracking beams with the MIMO radar, wherein each reflected tracking beam is associated with a corresponding initial tracking beam from the plurality of initial tracking beams;
(G) imaging at least one high-resolution target within each reflected tracking beam with the MIMO radar; and
(H) deriving spatial positioning data for the high-resolution target from each reflected tracking beam with the MIMO radar.

US Pat. No. 10,795,013

MULTI-TARGET DETECTION IN CDMA RADAR SYSTEM

GM GLOBAL TECHNOLOGY OPER...

1. A method of performing multi-target detection in a code division multiple access (CDMA) radar system, the method comprising:transmitting, from each transmitter among T transmitters, a transmitted signal with a different code;
receiving, at each receiver among one or more receivers, a received signal that includes reflections resulting from each of the transmitted signals with the different codes;
processing the received signal at each of the one or more receivers by implementing T processing chains, wherein each of the T processing chains is iterative;
detecting an object at each completed iteration at each of the T processing chains; and
subtracting a subtraction signal representing a contribution of the object to the received signal prior to subsequent iterations.

US Pat. No. 10,795,012

SYSTEM AND METHOD FOR HUMAN BEHAVIOR MODELLING AND POWER CONTROL USING A MILLIMETER-WAVE RADAR SENSOR

INFINEON TECHNOLOGIES AG,...

1. A method, comprising:identifying, by a processor, a set of targets within a field of view of a millimeter-wave radar sensor based on radar data received by the millimeter-wave radar sensor;
capturing, by the processor, radar data corresponding to the set of targets across a macro-Doppler frame;
performing, by the processor, macro-Doppler processing on the macro-Doppler frame and determining whether a macro-Doppler signal is present in the macro-Doppler frame based on the macro-Doppler processing;
capturing, by the processor, radar data corresponding to the set of targets across a micro-Doppler frame, wherein the micro-Doppler frame has a duration equal to a first plurality of macro-Doppler frames;
performing, by the processor, micro-Doppler processing on the micro-Doppler frame and determining, by the processor, whether a micro-Doppler signal is present in the micro-Doppler frame based on the micro-Doppler processing;
in response to a determination that the macro-Doppler signal is present in a first range bin, activating, by the processor, the first range bin in which the macro-Doppler signal is present and initializing a first life-cycle count value associated with the first range bin to a first initial value;
in response to a determination that the micro-Doppler signal is present in a second range bin, activating, by the processor, the second range bin in which the micro-Doppler signal is present and initializing a second life-cycle count value associated with the second range bin to a second initial value, wherein the first initial value is greater than the second initial value;
in response to a determination that the macro-Doppler signal is not present in the first range bin in a subsequent macro-Doppler frame, decrementing, by the processor, the first life-cycle count value associated with the first range bin;
in response to a determination that the micro-Doppler signal is not present in the second range bin in a subsequent micro-Doppler frame, decrementing, by the processor, the second life-cycle count value associated with the second range bin;
deactivating, by the processor, the first range bin when the first life-cycle count value associated with the first range bin decreases to a first predetermined value;
deactivating, by the processor, the second range bin when the second life-cycle count value associated with the second range bin decreases to a second predetermined value; and
determining, by the processor, a number of people in the field of view of the millimeter-wave radar sensor based on a number of activated range bins.

US Pat. No. 10,795,011

DISTANCE ESTIMATION USING PHASE INFORMATION

NEC Corporation, (JP)

20. A computer program product for estimating a distance between an object and measurement equipment, the computer program product comprising a non-transitory computer readable storage medium having program instructions embodied therewith, the program instructions executable by a computer to cause the computer to perform a method comprising:measuring, by the measurement equipment, a plurality of phase differences at different frequencies between transmitted Radio Frequency (RF) signals from a location of the object and corresponding received RF signals at the measurement equipment;
calculating, by a processor, normalized phases from the plurality of phase differences;
calculating, by the processor, corrected phases by resolving one or more ambiguities from the normalized phases;
obtaining, by the processor, a characteristic curve using the corrected phases; and
providing, by the processor, an estimate of the distance based on the characteristic curve and the corrected phases.

US Pat. No. 10,795,010

SYSTEMS AND METHODS FOR DETECTING, TRACKING AND IDENTIFYING SMALL UNMANNED SYSTEMS SUCH AS DRONES

XiDrone Systems, Inc., N...

1. A system, comprising:at least one radio receiver configured to detect a radio frequency (RF) signature based on a radio signal communicated between an aerial target and a remote control device;
at least one radar configured to detect the target; and
at least one computer processor programmed to identify the target based on the detected RF signature and locate the target based on the radar detection, and based on at least one of target identification and/or target location, determine if the target is an unmanned aerial system (UAS).

US Pat. No. 10,795,009

DIGITAL BEAMFORMING FOR RADAR SENSING USING WIRELESS COMMUNICATION CHIPSET

Google LLC, Mountain Vie...

1. An apparatus comprising:an antenna array; and
a hardware chipset including a set of receivers, the hardware chipset configured to:
select a subset of receivers from the set of receivers;
connect, based on the selection, selected receivers of the subset of receivers to respective antenna elements of the antenna array;
receive, via the selected receivers, a radar signal that is reflected by an object;
produce baseband data via the selected receivers, the baseband data based on the radar signal that is received;
determine complex weights based on the connection of the selected receivers to the respective antenna elements of the antenna array; and
provide the complex weights to a digital beamformer; and
the digital beamformer configured to:
obtain the baseband data produced by the selected receivers; and
generate a spatial response by multiplying the baseband data with the complex weights to enable an angular position of the target to be determined.

US Pat. No. 10,795,008

APPARATUS AND METHOD FOR OPTIMIZING ULTRASONIC SIGNAL

Hyundai Autron Co., Ltd.,...

1. An apparatus for optimizing an ultrasonic signal, the apparatus comprising:an ultrasonic signal sensing unit which transmits and receives an ultrasonic signal;
a residual oscillation measurement unit which measures a first ringing time of the ultrasonic signal transmitted from the ultrasonic signal sensing unit;
a comparison and calculation unit which compares the first ringing time with a pre-stored second ringing time and calculates a correction frequency based on the comparison result;
an electrical damping pulse generation unit which generates an electrical damping pulse having the correction frequency; and
a control unit which controls the electrical damping pulse to be applied to the ultrasonic signal sensing unit,
wherein the comparison and calculation unit calculates the correction frequency corresponding to a specific field using parameter values corresponding to the specific field and parameter values corresponding to another field next to the specific field to determine minimized ringing time and to select an optimum correction frequency based on the determined minimized ringing time.

US Pat. No. 10,795,007

METHOD AND A DEVICE FOR IMAGING A VISCO-ELASTIC MEDIUM

Super Sonic Imagine, (FR...

1. A method of two or three-dimensional imaging of a visco-elastic medium with a device comprising an ultrasonic probe comprising at least a first transducer element and a second transducer element,the method comprising the following steps:
exciting, by at least the first transducer element, the medium at a given depth within an excitation zone in the depth of the medium, which generates an internal mechanical stress that is localized within the medium in the excitation zone, the internal mechanical stress being of sufficient energy to cause tissue to be moved, generating a shear wave;
imaging, by at least the second transducer element, an imaging zone of the medium that comprises the excitation zone;
acquiring displacement signals during movements generated by the internal mechanical stress in the visco-elastic medium in response to the internal mechanical stress, the movements resulting from the propagation of the shear wave, the displacement signals including a first displacement signal and a second displacement signal, wherein:
the first displacement signal corresponds to a first point in the excitation zone in response to the internal mechanical stress, and
the second displacement signal corresponds to a second point in the imaging zone at the same depth as the first point but outside the excitation zone, and
calculating, using a microprocessor, a quantitative index associated with rheological properties of the visco-elastic medium, the quantitative index being representative of a comparison between at least one of time variations and amplitude variations of the first and second displacement signals.

US Pat. No. 10,795,006

3D TIME-OF-FLIGHT CAMERA SYSTEM AND POSITION/ORIENTATION CALIBRATION METHOD THEREFOR

1. Position and orientation calibration method for a camera system including a 3D time-of-flight camera, said method comprising:acquiring a camera-perspective range image of a scene using said 3D time-of-flight camera, wherein the range image includes 3D data points representing surface elements within the scene;
detecting one or more planes within said range image without using predefined reference points from the 3D data;
selecting a reference plane among said one or more planes detected, said selecting of said reference plane comprising presenting said one or more detected planes using a user interface and fixing said reference plane based upon user interaction; and
calibrating said 3D time-of-flight camera with respect to a position and orientation of said 3D time-of-flight camera by computing, using said reference plane, position and orientation parameters of said 3D time-of-flight camera with respect to said reference plane and a coordinate transformation matrix that transforms camera-perspective range images of said scene into Cartesian representations of said scene, in which coordinates are defined with respect to said reference plane.

US Pat. No. 10,795,005

PRECISION ESTIMATION FOR OPTICAL PROXIMITY DETECTORS

Intersil Americas LLC, M...

1. A method for use by an optical proximity detector that includes a light source and a light detector, the method comprising:selectively driving the light source with a drive signal having a carrier frequency to thereby cause the light source to selectively emit light having the carrier frequency;
producing an analog light detection signal indicative of a magnitude and a phase of a portion of the light emitted by the light source that reflects off an object and is incident on the light detector;
amplifying the analog light detection signal using amplification circuitry to thereby produce an amplitude adjusted analog light detection signal;
producing, in dependence on the amplitude adjusted analog light detection signal, digital in-phase and quadrature-phase signals;
producing, in dependence on the digital in-phase and quadrature-phase signals, a digital distance value indicative of a distance between the optical proximity detector and the object;
producing a digital DC current value, using a DC photocurrent analog-to-digital converter (DCPC ADC) coupled to the light detector, the digital DC current value indicative of a DC current produced by the light detector when the light source is not emitting light;
producing, in dependence on the digital DC current value indicative of the DC current produced by the light detector when the light source is not emitting light, a digital precision value indicative of a precision of the digital distance value, wherein the producing the digital precision value includes determining the digital precision value also in dependence on:
an integration time of digital filters that are used to produce the digital distance value in dependence on the digital in-phase and quadrature-phase signals; and
a magnitude of the analog light detection signal produced using the light detector;
outputting the digital distance value or saving the digital distance value in one or more addressable registers; and
outputting the digital precision value or saving the digital precision value in one or more addressable registers.

US Pat. No. 10,795,004

DISTANCE MEASUREMENT APPARATUS

HITACHI-LG DATA STORAGE, ...

1. A distance measurement apparatus that measures a distance to a subject to output a distance image, comprising:a distance measurement unit having a light-emitting unit, a light-receiving unit, and a distance-calculating unit to measure a distance to the subject on the basis of light transmission time;
an image processing unit that creates a distance image of the subject from distance data measured by the distance measurement unit;
a light emission intensity control unit that controls an emitted light intensity from a light source of the light-emitting unit; and
a pixel addition control unit that controls an addition process for a pixel signal from a neighboring pixel in the light-receiving unit,
wherein the image processing unit determines whether or not there is a detection target in the created distance image,
a high definition mode, in which the light emission intensity control unit increases the emitted light intensity of the light-emitting unit, and the pixel addition control unit decreases an addition ratio of the neighboring pixel signal of the light-receiving unit, is set if there is the detection target in the distance image, and
a power saving mode, in which the light emission intensity control unit decreases the emitted light intensity of the light-emitting unit, and the pixel addition control unit increases the addition ratio of the neighboring pixel signal of the light-receiving unit, is set if there is no detection target in the distance image.

US Pat. No. 10,795,003

HIGH-SPEED LIGHT SENSING APPARATUS

Artilux, Inc., Menlo Par...

1. An optical apparatus, comprising:a semiconductor substrate having a first material composition;
a light absorption material supported by the semiconductor substrate and having a second material composition different from the first material composition, wherein the light absorption material is configured to:
absorb incident light within a first wavelength band; and
generate photo-carriers in response to absorbing the incident light;
a first switch electrically coupled to the light absorption material and comprising:
a first terminal configured to receive a first control signal; and
a second terminal configured to collect at least some of the photo-carriers; and
a first read-out circuit electrically coupled to the second terminal of the first switch and configured to read out the photo-carriers collected by the second terminal of the first switch.

US Pat. No. 10,795,002

HIGH SPEED ILLUMINATION DRIVER FOR TOF APPLICATIONS

TEXAS INSTRUMENTS INCORPO...

1. A circuit comprising a digital to analog converter (DAC), the DAC comprising:one or more current elements, each current element of the one or more current elements configured to receive a clock;
one or more switches corresponding to the one or more current elements, wherein a set of current elements of the one or more current elements are activated based on a DAC input and the clock, and a set of switches of the one or more switches are activated based on the DAC input; and
a feedback switch coupled to the one or more switches.

US Pat. No. 10,795,001

IMAGING SYSTEM WITH SYNCHRONIZED SCAN AND SENSING

APPLE INC., Cupertino, C...

1. An electro-optical device, comprising:a laser light source and
a beam steering device configured to emit and scan at least two beams of light across a target scene;
an array of sensing elements, each sensing element configured to output a signal indicative of incidence of photons on the sensing element;
light collection optics configured to image the target scene scanned by the at least two beams of light onto the array,
wherein the beam steering device scans the at least two beams across the target scene with a spot size and scan resolution that are smaller than a pitch of the sensing elements,
wherein the laser light source and the beam steering device are configured to scan the at least two beams along different, respective beam axes, such that during the scan, the light collection optics image respective areas of the target scene that are illuminated by the at least two beams onto different, respective ones of the sensing elements; and
circuitry coupled to actuate the sensing elements only in a selected region of the array and to sweep the selected region over the array in synchronization with scanning of the at least two beams.

US Pat. No. 10,795,000

LASER DISTANCE AND RANGING (LADAR) APPARATUS, ARRAY, AND METHOD OF ASSEMBLING THEREOF

The Boeing Company, Chic...

1. A laser distance and ranging (LADAR) apparatus comprising:a first substrate;
a LADAR module coupled to said first substrate, said LADAR module comprising a chip and a plurality of scanning components coupled to the chip, said plurality of scanning components comprising a light source and a light receiver, wherein said LADAR module is configured to scan with a predetermined field of view in a first viewing position from said LADAR module; and
an actuation unit coupled between said first substrate and said chip, wherein said actuation unit is selectively operable to modify an orientation of said chip such that the predetermined field of view moves from the first viewing position towards a second viewing position from said LADAR module.

US Pat. No. 10,794,999

METHOD FOR DETECTING EDGE OF OBJECT BY LASER RANGING DEVICE

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

1. A method for detecting an edge of an object by using measurement data of each of a plurality of measurement points obtained by a laser ranging device which projects a scanning laser beam in a predetermined direction to measure a distance of each of the plurality of measurement points corresponding to each of a plurality of projection lines of the laser beam in a scanning range of the laser beam, the method comprising:inputting measurement data of the laser ranging device into an arithmetic processing unit that includes a processor and memory; and
identifying the edge of the object based on the input measurement data by performing a processing on the arithmetic processing unit, the processing comprising:
a first step of extracting, from the plurality of measurement points, an n number of measurement points corresponding to an n number of projection lines that are close to each other, wherein one of the n number of measurement points includes a target measurement point and at least one other measurement point, and the n number of projection lines connect a common axis point and a respective one of the n number of measurement points, and the n number of projection lines have different angles about the common axis point from each other, wherein n is an integer of 2 or more;
a second step of calculating an approximate straight line that passes through the n number of measurement points by using the measurement data of each of the n number of measurement points;
a third step of determining a degree of inclination of the approximate straight line with respect to an averaged line, wherein the averaged line is a representative line that is the one of the n number of projection lines that corresponds with the target measurement point or a line projecting from the common axis point and having an angle about the common axis point that is an average of the different angles of the n number of projection lines corresponding to the n number of measurement points, and the degree of inclination being determined based on an angle formed at an intersection of the approximate straight line and the averaged line; and
a fourth step of identifying, as a measurement point of an edge of the object, one measurement point among the n number of measurement points in a case where the degree of inclination is smaller than a predetermined threshold value.

US Pat. No. 10,794,998

DIODE LASER BASED HIGH SPECTRAL RESOLUTION LIDAR

University Corporation fo...

1. A device comprising:a laser (101) emitting a laser beam;
a first splitter (102) which separates the laser beam and generates a first portion of the separated laser beam and a second portion of the separated laser beam;
an amplifier which receives the first portion of the separated laser (101) beam and generates an amplified separated beam;
prisms (108) which receive and expand the amplified separated laser beam and generates an expanded amplified separated laser beam;
a telescope (110) which transmits the expanded amplified separated laser beam and receives a return signal;
a second splitter (114) which splits the return signal into a first return signal portion and a second return signal portion; and
a heated rubidium cell (115) which receives the second return signal portion and generates a molecular return signal,
wherein the first return signal portion comprises a total detection signal.

US Pat. No. 10,794,997

SMARTPHONE-BASED POWER-EFFICIENT RADAR PROCESSING AND MEMORY PROVISIONING FOR DETECTING GESTURES

Google LLC, Mountain Vie...

1. A smartphone comprising:a radar system configured to:
transmit and receive multiple radar signals, at least one radar signal of the multiple radar signals reflected by a user of the smartphone; and
detect, based on the multiple radar signals, different situations associated with the user, the different situations including:
a first situation in which the user is outside a detectable range of the radar system; and
a second situation in which the user performs a gesture, the radar system including:
at least one processor; and
at least one computer-readable storage medium comprising computer-executable instructions that, responsive to execution by the at least one processor, is configured to:
create a memory pool within the at least one computer-readable storage medium; and
adjust an allocation of memory within the memory pool according to different memory states that are respectively activated at different times according to the different situations that are detected by the radar system, the different memory states including:
a first memory state that is activated responsive to detection of the first situation; and
a second memory state that is activated responsive to detection of the second situation.

US Pat. No. 10,794,996

CALIBRATION DEVICE OF AUTOMOBILE ASSISTANCE SYSTEM

AUTEL INTELLIGENT TECHNOL...

1. A calibration device, comprising:a base support;
an upright support mounted on the base support, the upright support comprising:
a lifting guide rail comprising two vertical guide rails, the two vertical guide rails being disposed in parallel in a vertical direction and spaced apart from each other; and
a lifting screw rod disposed in the vertical direction; and
a beam assembly mounted to the lifting guide rail and configured to move relative to the lifting guide rail along the vertical direction, the beam assembly comprising:
a supporting member, wherein the supporting member comprises:
a supporting body;
a movable block fixedly attached to a first side of the supporting body, the movable block being disposed on a middle part of the supporting body, wherein the movable block is mated with the lifting screw rod through threads, the lifting screw rod being configured to drive the movable block to move in the vertical direction when the lifting screw rod rotates; and
a sliding block fixedly attached to the first side of the supporting body and movably mounted to each of the two vertical guide rails, the sliding block being configured to slide along the each of the two vertical guide rails; and
a horizontal guide rail configured to be mounted to a second side of the supporting body along a horizontal direction, the second side of the supporting body being opposite the first side of the supporting body.

US Pat. No. 10,794,995

SYSTEM AND METHOD FOR VEHICLE RADAR INSPECTION

Hyundai Motor Company, S...

1. A system for inspecting an assembled state of a radar sensor mounted in a vehicle, the system comprising:a center portion configured to align the vehicle to a reference inspection position;
a mobile terminal configured to connect with an external source of communication, wherein the mobile terminal is connected to a communication line within the vehicle;
a scan portion configured to photograph the radar sensor at a plurality of scan positions using a terahertz wave; and
a server configured to:
match a plurality of scan images photographed by the scan portion;
detect a three-dimensional coordinate of the radar sensor;
transmit a sensor correction value through the mobile terminal, wherein the sensor correction value is determined based on an assembly tolerance that compares with a design plan of the vehicle; and
correct a sensor angle value of the radar sensor.

US Pat. No. 10,794,994

RADAR CONTROL DEVICE AND METHOD OF CONTROLLING TRANSMISSION POWER OF RADAR

FURUNO ELECTRIC COMPANY L...

1. A radar control device, comprising:processing circuitry configured to generate a transmission pattern signal comprising at least one of a first pulse signal and a second pulse signal, the second pulse signal having a longer pulse width than the first pulse signal; and
a transmitter configured to transmit the generated transmission pattern signal via a radar antenna; wherein
the processing circuitry is further configured to:
detect for a transmission power of the second pulse signal in the transmission pattern signal transmitted by the transmitter,
control, when the transmission power of the second pulse signal is detected, a transmission power of the transmission pattern signal by using a control value calculated based on the transmission power of the second pulse signal, and
control, when the transmission pattern signal consists of the first pulse signal, the transmission power of the first pulse signal by using a control value previously used for controlling the transmission power of the second pulse signal.

US Pat. No. 10,794,993

METHOD AND APPARATUS FOR CALIBRATING AN IQ MODULATOR

Infineon Technologies AG,...

1. A method for calibrating an in-phase quadrature (IQ) modulator, the method comprising:setting one or more control values, of the IQ modulator, corresponding to a constellation point of a constellation diagram to generate an IQ modulating signal;
mixing the IQ modulating signal and a carrier signal;
generating based on mixing the IQ modulating signal and the carrier signal, a down-converted signal;
comparing an amplitude and/or phase of the down-converted signal and the constellation point; and
adjusting the one or more control values of the IQ modulator until a deviation between the amplitude and/or phase of the down-converted signal and the constellation point falls below a predefined threshold.

US Pat. No. 10,794,992

APPARATUS AND METHOD FOR DETECTING AND CORRECTING FOR BLOCKAGE OF AN AUTOMOTIVE RADAR SENSOR

VEONEER US, INC., Southf...

1. A radar system in a movable host system, the radar system comprising:a radar detector for transmitting radar signals into a region over a plurality of sweeps, detecting reflected returning radar signals for each of the plurality of sweeps, and converting the reflected returning radar signals into digital data signals; and
a processor for receiving the digital data signals and processing the digital data signals to detect environmental clutter objects in the region, the processing comprising at least: (i) an immediate detection process by which the digital data signals are compared to a clutter threshold and a first signal indicative of presence of a first clutter object is generated if the digital data signals exceed the clutter threshold, (ii) a time-averaging process by which data for each of a plurality of range-plus-velocity (RV) bins is analyzed over multiple sweeps to generate a second signal indicative of presence of a second clutter object, and (iii) an RV-averaging process independent of the time-averaging process by which data for a plurality of RV values within each sweep are combined to form RV averages for each sweep and the RV averages for a plurality of sweeps are analyzed over multiple sweeps to generate a third signal indicative of presence of a third clutter object; wherein
the processor the processor applies the first, second and third signals to a logical OR process to generate a fourth signal indicating that the radar detector is not blocked if any of the first, second or third clutter objects is present.

US Pat. No. 10,794,991

TARGET DETECTION BASED ON CURVE DETECTION IN RANGE-CHIRP MAP

GM GLOBAL TECHNOLOGY OPER...

1. A method of performing target detection, the method comprising:transmitting frequency modulated continuous wave (FMCW) pulses as chirps from a radar system;
receiving reflections resulting from the chirps;
processing the reflections to obtain a range-chirp map for each beam associated with the transmitting, wherein the processing the reflections includes performing a first fast Fourier transform (FFT) on the reflections;
performing curve detection on the range-chirp map for each beam to obtain candidate curves; and
detecting one or more targets based on the curve detection, wherein the detecting including performing a second FFT on a result of the curve detection.

US Pat. No. 10,794,990

STRUCTURE EVALUATION APPARATUS, STRUCTURE EVALUATION SYSTEM, AND STRUCTURE EVALUATION METHOD

Kabushiki Kaisha Toshiba,...

1. A structure evaluation apparatus comprising:an acquisitor configured to acquire intensity distribution that represents a distribution of strength of a reflected wave obtained by an electromagnetic radar scan to a reinforced concrete which comprises concrete and a material, the material being a material other than concrete; and
an evaluator configured to calculate a correlation value, the correlation value being based on at least one reference region image including the material in the intensity distribution and based on other regions images including the material that are not the reference region image,
wherein the at least one reference region image is an image of a region that is considered sound,
wherein the at least one reference region image includes a first reference region and a second reference region, each of the first reference region and a second reference region being considered sound,
wherein the first reference region includes the material without any intersection between the material and other material in the intensity distribution,
wherein the second reference region includes the material and is the material intersecting with another material in the intensity distribution,
wherein the evaluator calculates correlation value of first regions that are selected in the other regions with reference to the first reference region,
wherein each of the first regions includes the material without any intersection between the material and other material,
wherein the evaluator calculates correlation value of second regions that are selected in the other regions with reference to the second reference region,
wherein each of the second regions includes the material and is the material intersecting with another material,
wherein the evaluator evaluates whether or not each of the first regions is sound based on the calculated correlation value of each of the first regions, and
wherein the evaluator evaluates whether or not each of the second regions is sound based on the calculated correlation value of each of the second regions.

US Pat. No. 10,794,989

METHOD OF USING A DIRECT SEQUENCE SPREAD SPECTRUM IN VEHICLE LOCATION APPROXIMATION WHEN USING ORTHOGONAL FREQUENCY-DIVISION MULTIPLEXING

THE EUCLIDE 2012 INVESTME...

1. A method of using a direct sequence spread spectrum (DSSS) in vehicle location approximation when using orthogonal frequency-division multiplexing (OFDM) comprises the steps of:(A) providing an orthogonal frequency-division multiplexing (OFDM) device, wherein the OFDM device comprises a wireless terminal and a multiple-input and multiple-output (MIMO) antenna;
(B) encoding a pilot uplink signal through a channel encoding module of the OFDM device, wherein the pilot uplink signal is encoded as a direct-sequence spread spectrum (DSSS);
(C) transmitting the pilot uplink signal from the wireless terminal to at least one intended target, wherein the at least one intended target is within an operational range of the MIMO antenna;
(D)receiving an ambient signal at the wireless terminal, wherein the ambient signal comprises a reflected-pilot uplink signal generated when the pilot uplink signal contacts the at least one intended target;
(E) filtering out the reflected-pilot uplink signal from the ambient signal through the OFDM device, wherein the reflected-pilot uplink signal is encoded as a DSSS;
(F) decoding the DSSS of the reflected-pilot uplink signal through a channel decoding module the OFDM device; and
(G) deriving a location approximation for the at least one intended target through the OFDM device, wherein the location approximation is derived from a matching time delay between the pilot uplink signal and the reflected-pilot uplink signal calculated by the OFDM device, and a direction of arrival (DOA) of the ambient signal derived through the MIMO antenna.

US Pat. No. 10,794,988

METHOD OF IMPLEMENTING SPREAD SPECTRUM TECHNIQUES IN AN AUTOMOTIVE RADAR WITH WIRELESS COMMUNICATION CAPABILITIES

THE EUCLIDE 2012 INVESTME...

1. A method of implementing spread spectrum techniques in an automotive radar with wireless communication capabilities, the method comprises the steps of:(A) providing a MIMO radar and at least one base station;
(B) encrypting an initial uplink signal with the MIMO radar;
(C) transmitting the initial uplink signal from the MIMO radar to the base station;
(D) receiving an ambient signal with the MIMO radar, wherein the ambient signal includes a reflected uplink signal and a downlink signal from the base station, and wherein the reflected uplink signal is associated to the initial uplink signal, and wherein the reflected uplink signal originates from objects surrounding the MIMO radar;
(E) filtering the downlink signal from the ambient signal with the MIMO radar;
(F) processing communication data from the downlink signal with the MIMO radar;
(G) filtering the reflected uplink signal from the ambient signal with the MIMO radar;
(H) decrypting the reflected uplink signal with the MIMO radar;
(I) detecting a plurality of targets within the reflected uplink signal with the MIMO radar; and
(J) deriving spatial positioning data for each target with the MIMO radar.

US Pat. No. 10,794,987

HYBRID IR-US RTLS SYSTEM

CenTrak, Inc., Newtown, ...

1. A method for determining a location of a tag in a real time location system, the method comprising:receiving, at the tag, an infrared signal from an infrared transmitter;
receiving, at the tag, a first ultrasound signal from a first ultrasound transmitter and a second ultrasound signal from a second ultrasound transmitter;
determining a first time difference between a time-of-arrival at the tag of the infrared signal and a time-of-arrival at the tag of the first ultrasound signal;
determining a second time difference between the time-of-arrival at the tag of the infrared signal and a time-of-arrival at the tag of the second ultrasound signal;
computing a first distance between the tag and the first ultrasound transmitter based on the first time difference;
computing a second distance between the tag and the second ultrasound transmitter based on the second time difference; and
estimating the location of the tag based on the first distance and the second distance.

US Pat. No. 10,794,986

EXTENDING A RADIO MAP

Apple Inc., Cupertino, C...

1. A method comprising:receiving a radio map of an indoor venue using survey data collected by a survey device positioned throughout the venue, the radio map including a boundary encompassing positions at which survey data was collected, the survey data collected by obtaining data for reference points by measuring one or more characteristics of wireless signals received from access points (APs) by the survey device when the survey device is positioned at reference points along predetermined paths within the venue;
receiving from a mobile device, harvest trace data, obtained by the mobile device while the mobile device is positioned at locations that are outside of the boundary for which survey data was not collected;
determining, based on the harvest trace data, a plurality of trajectories of the mobile device that reside outside of the boundary and pass through a particular cell encompassing an area of the venue outside of the boundary, wherein the plurality of trajectories are determined based on a speed and heading rate of the mobile device while obtaining the harvest trace data;
in response to determining the plurality of trajectories, identifying a threshold number of traces of the mobile device that reside outside of the boundary and pass through the particular cell;
adding to the radio map, one location of the locations that are outside of the boundary, the one location corresponding to the particular cell, as an extended reference point, when the threshold number of traces pass through the particular cell; and
in response to adding the one location as the extended reference point, extending the radio map using the survey data and the one location as the extended reference point, wherein the extended radio map is defined at least in part by an extension of the boundary to encompass the one location as the extended reference point.

US Pat. No. 10,794,985

REFERENCE SIGNAL CONFIGURATION

InterDigital Patent Holdi...

1. A wireless transmit receive unit (WTRU) comprising:a transceiver; and
a processor, wherein:
the transceiver and the processor are configured to receive a reference signal of a first type, wherein the first type is other than a demodulation reference signal (DM-RS), and wherein reference signals of the first type are received in resource elements other than resource elements used for a primary synchronization signal or a secondary synchronization signal; and
the transceiver and the processor are further configured to receive a radio resource control message indicating a subframe position in which the reference signal of the first type is transmitted, a periodicity of a transmission of the reference signal of the first type, and a number of antenna ports.

US Pat. No. 10,794,984

SYSTEM, METHOD AND COMPUTER-READABLE MEDIUM FOR ESTIMATING DIRECTION OF ARRIVAL OF A SIGNAL INCIDENT ON AT LEAST ONE ANTENNA ARRAY

New York University, New...

1. A computer-implemented method for configuring at least one antenna array, comprising:receiving, for each of a plurality of direction-of-arrival candidates, and a plurality of samples corresponding to signals incident on each of a plurality of antennas;
using a computer arrangement, computing, for each of the plurality of direction-of-arrival candidates, (i) one or more data related to an envelope of the samples, (ii) envelope statistics corresponding to at least one multipath shape factor parameter, and (iii) at least one second-order small scale fading statistic based on the at least one multipath shape factor parameter;
using the computer arrangement, determining arrival directions of energy for the direction-of-arrival candidates based on at least one of (i) a correlation between signal levels between different ones of the antennas, (ii) a peak and an average signal level between the different ones of the antennas, (iii) an absolute angle of arrival, or (iv) a relative angle, of arrival;
using the computer arrangement, estimating a direction of arrival of the signals incident on the antennas based on (i) the one or more computed data, and (ii) the arrival directions of energy; and
configuring the at least one antenna array based on the direction of arrival.

US Pat. No. 10,794,983

ENHANCING THE ACCURACY OF ANGLE-OF-ARRIVAL DEVICE LOCATING THROUGH MACHINE LEARNING

Cisco Technology, Inc., ...

1. A method, comprising:obtaining, at a device, a machine learning model indicative of how to focus on particular location information from a plurality of radio frequency (RF) elements to provide a location estimate of a wireless client based at least in part on angle-of-arrival information of the wireless client;
obtaining, at the device, location information regarding the wireless client from the plurality of RF elements;
applying, by the device, the machine learning model to the location information regarding the wireless client to focus on particular location information of the location information from the plurality of RF elements, wherein focusing the particular location information includes:
weighting location information from certain antennas of certain access points to define a level of influence of the location information from certain antennas to the locationing; and
estimating, by the device, a physical location of the wireless client based on the focusing on the particular location information during a locationing computation.

US Pat. No. 10,794,982

DYNAMIC CALIBRATION OF CURRENT SENSE FOR SWITCHING CONVERTERS

NXP USA, Inc., Austin, T...

1. A system for dynamic calibration of current sense for switching converters comprising:a first one, a second one and a third one of a plurality of current sense channels configured to multiply a respective transistor voltage sensed across a respective transistor by a gain to generate a respective calibration voltage across a respective resistor, wherein the gain is determined by a gain coefficient, and each respective transistor has a matching temperature coefficient and a respective gate,
the respective transistor of the first one of the current sense channels connected between a voltage supply and a phase node, the respective calibration resistor connected to an output by a respective switch during a first phase, and the respective gate biased to a first voltage during the first phase,
the respective transistor of the second one of the current sense channels connected between the phase node and a ground, the respective calibration resistor connected to the output by a respective switch during a second phase not overlapping in time with the first phase, and the respective gate biased to the first voltage during the second phase,
the respective transistor of the third one of the current sense channels connected between a Zero Temperature Coefficient (ZTC) current source and the ground, and the respective gate biased to the first voltage;
a comparator configured to compare the respective calibration voltage of the third sense channel to a target voltage to generate an error voltage; and
an Analog to Digital Converter configured to convert the error voltage into the gain coefficient, thereby minimizing the error voltage and a difference between the target voltage and each respective calibration voltage.

US Pat. No. 10,794,981

METHOD AND APPARATUS RECONSTRUCTION OF MAGNETIC RESONANCE IMAGES IN A POSITION DIFFERENT FROM THE ACQUISITION POSITION

Siemens Healthcare GmbH, ...

1. A method for generating a magnetic resonance (MR) of an object, comprising:operating an MR data acquisition scanner in order to acquire MR data from a subject in a preliminary examination that precedes a diagnostic examination, with said subject being positioned at a position relative to the MR data acquisition scanner in said preliminary examination when said MR data are acquired;
in a computer provided with said MR data, reconstructing image data from said MR data, said reconstructed image data forming an image of the subject that has a distortion therein relative to the subject;
in said computer, determining a target position that is independent of said position of the subject;
in said computer reconstructing said formed image, based on said determined target position, so as to cause said distortion in said reconstructed image to be determined by said determined target position; and
from said computer, presenting said reconstructed image with said distortion, determined by said determined target position, at a display screen.

US Pat. No. 10,794,980

CROSS-TERM SPATIOTEMPORAL ENCODING FOR MAGNETIC RESONANCE IMAGING

YEDA RESEARCH AND DEVELOP...

1. A processor implemented method for MM imaging of a subject, the method comprising:spatially encoding spins in a slice of the subject in a first direction and in a second direction that is orthogonal to the first direction by
applying a first chirped radiofrequency (RF) pulse concurrently with application of a first magnetic field gradient pulse along the first direction,
after the applying of the first RF pulse, applying a second chirped RF pulse concurrently with application of a second magnetic field gradient pulse along the first direction, the second gradient pulse having a polarity that is opposite to a polarity of the first gradient pulse, and
concurrently applying an encoding magnetic field gradient along the second direction, the encoding gradient being constant at least from the beginning of the applying of the first RF pulse until the end of the applying of the second RF pulse; and
following the encoding of the spins, measuring a spin signal concurrently with application of a constant readout magnetic field gradient.

US Pat. No. 10,794,979

REMOVAL OF IMAGE ARTIFACTS IN SENSE-MRI

Koninklijke Philips N.V.,...

1. A magnetic resonance imaging system comprising:a radio-frequency system for acquiring magnetic resonance data from an imaging zone, wherein the radio-frequency system comprises multiple antenna elements;
a memory containing machine executable instructions and pulse sequence commands, wherein the pulse sequence commands cause the processor to acquire magnetic resonance data from the multiple antenna elements according to a SENSE protocol;
a processor, wherein execution of the machine executable instructions causes the processor to:
control the magnetic resonance imaging system with the pulse sequence commands to acquire the magnetic resonance data;
reconstruct a preliminary image using the magnetic resonance imaging data;
calculate a fit between an anatomical model and the preliminary image, wherein the anatomical model comprises a motion likelihood map;
identify at least one image artifact origin at least partially using the motion likelihood map and the fit;
determine an extended SENSE equation at least partially using at least one image artifact origin; and
construct a corrected SENSE image using the extended SENSE equation.

US Pat. No. 10,794,978

SYSTEM AND METHOD FOR CORRECTING ONE OR MORE ARTIFACTS WITHIN A MULTI-SPECTRAL MAGNETIC RESONANCE IMAGE

GENERAL ELECTRIC COMPANY,...

1. A method for correcting one or more artifacts within a multi-spectral magnetic resonance image comprising:acquiring a plurality of spectral bins each including a plurality of voxels and corresponding to a different frequency of MR signals emitted by an imaged object, the plurality of voxels of each spectral bin corresponding to the frequency of the spectral bin so as to define a spatial coverage of the spectral bin;
expanding each spectral bin by increasing the spatial coverage of the spectral bin; and
generating the multi-spectral magnetic resonance image based at least in part on the expanded spectral bins.

US Pat. No. 10,794,977

SYSTEM AND METHOD FOR NORMALIZED REFERENCE DATABASE FOR MR IMAGES VIA AUTOENCODERS

Siemens Healthcare GmbH, ...

1. A method comprising:receiving magnetic resonance (MR) imaging data from a first MR scanner device, the received MR imaging data including data for a plurality of MR scans of different structural or anatomical regions;
generating, based only on the received MR imaging data, normalized reference data including statistical information for each MR scan, wherein generating comprises transforming an MR image based on the received MR imaging data to a normalized reference data image as the normalized reference data;
learning the transformation, based on the generated normalized reference data, to train a neural network to correlate other MR imaging data from a second MR scanner device to the normalized reference data, wherein the learning of the transformation is segregated based on a MR scanner vendor, a magnetic field strength, or the MR scanner vendor and the magnetic field strength associated with the other MR imaging data; and
storing a record of the transformed imaging data, the transformed imaging data being data corresponding to the MR image transformed to the normalized reference data image.

US Pat. No. 10,794,976

MAGNETIC RESONANCE FINGERPRINTING DATA COLLECTION AND ANALYSIS SYSTEM

Koninklijke Philips N.V.,...

1. A method of employing a central computer database for supporting a characterization of tissue by magnetic resonance fingerprinting measurements, the central computer database being configured to receive the magnetic resonance fingerprinting measurements from each of a plurality of distinct magnetic resonance imaging systems employed by a plurality of clinicians to perform magnetic resonance examination and to provide magnetic resonance fingerprinting data to the clinicians and other users, the central computer database comprising:a plurality of associated medical data sets, each associated medical data set of the plurality of associated medical data sets including at least an associated value or an associated set of values for at least one physical quantity (T1, T2), and
a plurality of predefined dictionaries, wherein each predefined dictionary of the plurality of predefined dictionaries is dedicated to a specific magnetic resonance fingerprinting sequence and includes a plurality of possible magnetic resonance signal evolutions of nuclei having been excited according to the specific magnetic resonance fingerprinting sequence, each magnetic resonance signal evolution of the plurality of possible magnetic resonance signal evolutions being based on a different value or a different set of values for the at least one physical quantity (T1, T2),
the method comprising:
arranging at least a portion of a subject of interest in an examination space of a magnetic resonance imaging system in which a static magnetic field B0 is being generated,
exciting nuclei of or within at least the portion of the subject of interest by applying a radio frequency excitation field B1 generated according to a magnetic resonance fingerprinting sequence,
acquiring magnetic resonance imaging signal data from radiation emitted by excited nuclei of or within at least the portion of the subject of interest,
transferring a magnetic resonance fingerprinting data set comprising at least the acquired magnetic resonance imaging signal data and the magnetic resonance fingerprinting sequence used to obtain the magnetic resonance imaging signal data, to the central computer database,
searching for a predefined dictionary of the plurality of predefined dictionaries corresponding to the magnetic resonance fingerprinting sequence that has been used to obtain the magnetic resonance imaging signal data,
if a dictionary that is based on the magnetic resonance fingerprinting sequence is unavailable in the central computer database:
creating a new dictionary and adding the new dictionary to the plurality of predefined dictionaries in the central computer database, the new dictionary being dedicated to the magnetic resonance fingerprinting sequence that has been used to obtain the corresponding magnetic resonance imaging signal data and including a plurality of possible magnetic resonance signal evolutions of nuclei having been excited according to the magnetic resonance fingerprinting sequence, wherein each possible magnetic resonance signal evolution of the plurality of possible magnetic resonance signal evolutions is based on a different value or a different set of values for the at least one physical quantity (T1, T2),
if a corresponding dictionary that corresponds to the magnetic resonance fingerprinting sequence already exists in the central computer database:
matching the acquired magnetic resonance imaging signal data to the corresponding dictionary by applying a pattern recognition algorithm to determine a value or a set of values for the at least one physical quantity (T1, T2) from a possible magnetic resonance signal evolution of the plurality of possible magnetic resonance signal evolutions that forms the closest match with the acquired magnetic resonance imaging signal data with regard to a predefined mathematical measure function that is indicative of a difference between the magnetic resonance signal evolution based on the determined value or the determined set of values of the at least one physical quantity (T1, T2) and the acquired magnetic resonance imaging signal data,
adding at least the determined value or the determined set of values for the at least one physical quantity (T1, T2) as a new entry of an associated medical data set to the plurality of associated medical data sets in the corresponding dictionary,
wherein each physical quantity of the at least one physical quantity (T1, T2) is either related to a physical property of a tissue type of at least the portion of the subject of interest or to a physical property of the magnetic resonance imaging system, and
making the added magnetic resonance fingerprinting data set accessible to users of the central computer database.

US Pat. No. 10,794,975

RF SHIELDING CHANNEL IN MRI-INCUBATOR'S CLOSURE ASSEMBLY

ASPECT IMAGING LTD., Sho...

1. A neonate incubator for positioning a neonate within a magnetic resonance imaging (MRI) device, the neonate incubator comprising:a proximal end and a distal end;
a radio frequency (RF) shielding door coupled to the distal end, the RF shielding door to mate with a bore of the MRI device to provide RF shielding; and
a RF channel that extends along an axis that is substantially parallel to a longitudinal axis of the neonate incubator from an interior chamber of the neonate incubator through the RF shielding door, the RF channel having a length to width ratio of at least 5 to 1, wherein the RF shielding and the RF channel prevent an external RF radiation from entering the bore of the MRI device and an RF radiation emitted by the MRI device from exiting the bore of the MRI device, wherein the RF channel is configured to enable a passage of tubing of medical equipment from the interior chamber of the neonate incubator to an environment that is external to the neonate incubator, and wherein the RF channel comprises:
a first cylindrical shell having a first cutout in a longitudinal direction along the first cylindrical shell, the first cutout being positioned adjacent to an outer edge of the RF shielding door; and
a second cylindrical shell positioned coaxially within the first cylindrical shell, the second cylindrical shell having a second cutout in a longitudinal direction along the second cylindrical shell and a substantially hollow interior, the second cylindrical shell configured to rotate around a longitudinal axis of the second cylindrical shell.

US Pat. No. 10,794,974

METHODS AND APPARATUS FOR MAGNETIC FIELD SHIMMING

Hyperfine Research, Inc.,...

1. A method of producing a permanent magnet shim configured to improve a profile of a B0 magnetic field produced by a B0 magnet, the method comprising:obtaining a deviation of the B0 magnetic field from a desired B0 magnetic field;
determining a magnetic pattern that, when applied to magnetic material, produces a corrective magnetic field that corrects for at least some of the deviation; and
applying the magnetic pattern to the magnetic material to produce the permanent magnet shim.

US Pat. No. 10,794,973

MAGNET SYSTEM WITH THERMAL RADIATION SCREEN

Koninklijke Philips N.V.,...

1. A thermal radiation screen for a magnet system comprising a multitude of overlapping elongate thermal conductors that are electrically conductive, including:at least one thermally non-conducting opaque layer that is non-transparent in the infrared wavelength range and is arranged in between or covering the elongate thermal conductors and
the thermally non-conducting opaque layer being in thermal contact with at least some of the elongate thermal conductors.

US Pat. No. 10,794,972

DEVICE AND METHOD FOR AN ASYMMETRICAL BUS INTERFACE FOR A LOCAL COIL

Siemens Healthcare GmbH, ...

1. A local coil comprising:at least one sensor arranged within a housing of the local coil, wherein the at least one sensor is configured to detect data of a magnetic resonance tomography system;
an oscillator arranged within the housing of the local coil;
a modulator arranged within the housing of the local coil, wherein the modulator is configured to modulate the data from the at least one sensor onto a carrier frequency of the oscillator to provide a modulated carrier frequency; and
a signal output in signal communication with the at least one sensor for outputting the modulated data,
wherein the at least one sensor is configured to transmit a plurality of data items generated from the data via the signal output to a control unit of the magnetic resonance tomography system.

US Pat. No. 10,794,971

DUTY-CYCLE CONTROL FOR POWER-LEVEL ADJUSTMENT IN SWITCH-MODE POWER AMPLIFIERS

WaveGuide Corporation, C...

1. Circuitry for adjusting a duty cycle of an RF carrier input signal to a power amplifier (PA), the circuitry comprising:a digital delay line, comprising a plurality of digital delay elements, for receiving the input signal;
a time-to-digital converter for measuring a number of the digital delay elements required for generating a desired duty cycle;
circuitry for selecting the number of delay elements of the digital delay line required to generate a desired duty cycle and receiving an output signal therefrom, the output signal having the adjusted duty cycle; and
a processor having a control register for enabling a HIGH-power mode or a LOW-power mode of the circuitry,
wherein the control register selects the HIGH-power mode when the desired duty cycle has a value between 25% and 50% and the LOW-power mode when the desired duty cycle has a value between 5% and 25%.

US Pat. No. 10,794,970

STAGGERED PARALLEL TRANSMISSION RADIO FREQUENCY COIL FOR MAGNETIC RESONANCE IMAGING

GENERAL ELECTRIC COMPANY,...

1. A radio frequency (RF) coil configured for a magnetic resonance imaging (MRI) system, comprising:a plurality of RF coil conductors, each RF coil conductor comprising a base side with two arms extending therefrom;
wherein the plurality of RF coil conductors includes a plurality of outer RF coil conductors and a plurality of inner RF coil conductors, wherein each of the plurality of inner RF coil conductors is positioned within a region defined by a corresponding outer RF coil conductor;
wherein the two arms of each inner RF coil conductor are aligned with the two arms of the corresponding outer RF coil conductor;
wherein all of the arms of the plurality of RF coil conductors are oriented in the same direction;
wherein the conductors are U-shaped; and
wherein the base side of each RF coil conductor includes at least one slot for receiving a tuning capacitor.

US Pat. No. 10,794,969

RF CIRCUIT, MRI APPARATUS, AND METHOD OF MONITORING RF PULSE POWER

CANON MEDICAL SYSTEMS COR...

1. An RF circuit comprising:a directional coupler including a first port for outputting at least a part of a traveling wave and a second port for outputting at least a part of a reflected wave;
processing circuitry configured to calculate impedance of a load side that is viewed from the directional coupler; by using a voltage standing wave ratio based on respective outputs from the first port and the second port and a phase of the reflected wave based on an output from the second port; and
an adjuster configured to adjust an output from at least one of the first port and the second port based on the impedance calculated by the processing circuitry.

US Pat. No. 10,794,968

MAGNETIC FIELD SENSOR AND METHOD OF MANUFACTURE

Everspin Technologies, In...

16. An integrated circuit, comprising:a first magnetic field sensing device formed on the integrated circuit, the first magnetic field sensing device including a first magnetic tunnel junction, wherein the first magnetic tunnel junction includes:
a free layer having an in-plane steady state magnetization such that, absent any applied external magnetic field, magnetization of the free layer lies in-plane with a film plane corresponding to formation on the free layer;
a reference layer having a steady state magnetization in a first direction perpendicular to the film plane absent any applied external magnetic field; and
a dielectric layer between the free layer and the reference layer; and
a second magnetic field sensing device formed on the integrated circuit, the second magnetic field sensing device including a second magnetic tunnel junction, wherein the second magnetic tunnel junction includes:
a free layer having an in-plane steady state magnetization such that, absent any applied external magnetic field, magnetization of the free layer lies in-plane with the film plane;
a reference layer having a steady state magnetization in a second direction perpendicular to the film plane and opposite to the first direction absent any applied external magnetic field; and
a dielectric layer between the free layer and the reference layer,
wherein the reference layer in each of the first and second magnetic field sensing devices includes a first magnetic layer and a second magnetic layer, wherein the first and second magnetic layers are separated by a coupling layer, and
wherein a first footprint corresponding to area in the film-plane for the second magnetic layer in the first magnetic field sensing device is less than a first footprint corresponding to area in the film-plane for the second magnetic layer in the second magnetic field sensing device.

US Pat. No. 10,794,967

SENSOR INTERMEDIATE PART, SENSOR AND SENSOR MANUFACTURING METHOD

TDK Corporation, Tokyo (...

1. A sensor intermediate part comprising:a physical quantity detection element that has a power source terminal, a ground terminal and an output terminal, which outputs a desired output signal, wherein the physical quantity detection element is capable of adjusting properties of the output signal;
a high-capacitance capacitor having at least a first terminal and a second terminal; and
a jumper wire, one end of which is conducted to one of the power source terminal and the second terminal and the other end of which is not conducted to the other of the power source terminal and the second terminal;
wherein the first terminal is conducted to the ground terminal; and
the power source terminal and the second terminal are configured to be electrically connectable by the jumper wire.

US Pat. No. 10,794,966

INFORMATION PROCESSING DEVICE, CLOSED MAGNETIC CIRCUIT COMPUTING METHOD, AND CLOSED MAGNETIC CIRCUIT COMPUTING SYSTEM

FUJITSU LIMITED, Kawasak...

1. An information processing device comprising:a memory configured to store a measurement result of a first magnetization of a permanent magnet corresponding to an external magnetic field in an open magnetic circuit environment; and
a processor configured to:
divide the permanent magnet into a plurality of meshes, generate a function based on the measurement result, the function indicating a second magnetization corresponding to the external magnetic field in a closed magnetic circuit environment, the function including a parameter having a value corresponding to the external magnetic field,
calculate the second magnetization corresponding to the external magnetic field based on the function for each of the meshes, calculate a diamagnetic field corresponding to the external magnetic field based on the second magnetization for each of the meshes,
calculate, for each of the meshes based on the function, a third magnetization of the permanent magnet corresponding to the external magnetic field in the open magnetic circuit environment in a state where influence of the diamagnetic field is applied to the external magnetic field,
calculate an average of the third magnetizations of the meshes corresponding to the external magnetic field,
calculate an error between the first magnetization indicated by the measurement result and the calculated average of the third magnetizations,
correct the value of the parameter corresponding to the external magnetic field based on the error, and
repeat the calculation of the second magnetization, the calculation of the diamagnetic field, the calculation of the third magnetizations, the calculation of the average, the calculation of the error, and the correction of the value of the parameter until the error falls below a threshold.

US Pat. No. 10,794,964

DEVICE AND METHOD FOR DETERMINING A PARAMETER OF A TRANSFORMER

OMICRON ELECTRONICS GMBH,...

1. An apparatus for ascertaining a parameter of a transformer that has a high voltage side and a low voltage side, wherein the apparatus comprises:terminals for detachably connecting the apparatus to the low voltage side of the transformer;
further terminals for detachably connecting the apparatus to the high voltage side of the transformer;
a controllable switching device, connected to the further terminals, for shorting the high voltage side of the transformer;
a source for generating a test signal, which source is connected to the terminals in order to impress the test signal on the low voltage side of the transformer;
a control device for automatically controlling the source and the controllable switching device such that the high voltage side is shorted while the test signal is impressed by the source on the low voltage side; and
an evaluation device that is set up to determine a leakage reactance or a leakage inductance of the transformer on the basis of a test response of the transformer recorded while the high voltage side is shorted by the controllable switching device and the test signal is impressed by the source on the low voltage side.

US Pat. No. 10,794,963

LINE FAULT SIGNATURE ANALYSIS

TEXAS INSTRUMENTS INCORPO...

1. A system comprising:a sensor configured to couple to a line, wherein the sensor includes a set of outputs to provide a sensor signal in response to power through the line;
a low-pass filter that includes:
an input coupled to the set of outputs of the sensor; and
an output to provide a first filtered signal based on the sensor signal;
a high-pass filter that includes:
an input coupled to the set of outputs of the sensor; and
an output to provide a second filtered signal based on the sensor signal;
a comparator that includes:
a first input coupled to the output of the high-pass filter to receive the second filtered signal;
a threshold input to receive a threshold signal; and
an output to provide a comparison signal based on the second filtered signal and the threshold signal; and
a processor that includes:
an analog-to-digital converter that includes an input coupled to the output of the low-pass filter and that includes an output; and
an event counter that includes an input coupled to the output of the comparator and that includes an output;
a digital signal processor that includes an input coupled to the output of the analog-to-digital converter and that includes an output; and
a processing resource that includes:
a first input coupled to the output of the event counter;
a second input coupled to the output of the digital signal processor; and
an output configured to provide a fault signal based on the output of the event counter and the output of the digital signal processor.

US Pat. No. 10,794,962

SYSTEMS AND METHODS FOR BATTERY MICRO-SHORT ESTIMATION

TOYOTA MOTOR EUROPE, Bru...

1. A system for determining a condition of a battery, comprising:a temperature sensor configured to provide a temperature value associated with the battery;
an impedance sensor configured to provide impedance information associated with the battery; and
a controller configured to:
determine a threshold impedance associated with a separator membrane of the battery based on an initial impedance of the separator membrane as measured by the impedance sensor and a battery temperature as measured by the temperature sensor, the initial impedance being measured in advance over a range of temperatures for a given equilibrium constant to generate values that are stored in a data map;
monitor, during operation of the battery, an actual impedance associated with the separator membrane of the battery based on the impedance information and the battery temperature;
permit current flow to and from the battery when the actual impedance is greater than the threshold impedance; and
prevent current flow to and from the battery when the actual impedance is less than or equal to the threshold impedance.

US Pat. No. 10,794,961

INTERNAL STATE ESTIMATING DEVICE

Honda Motor Co., Ltd., T...

1. An internal state estimating device that estimates an internal state of a battery which has varied with use thereof, comprising:a storage part that stores a reference parallel resistive component and a reference parallel capacitive component in at least one RC parallel circuit comprised in an equivalent circuit model of the battery;
a first internal state estimating part that calculates one varying component from a varying parallel resistive component and a varying parallel capacitive component on the basis of a detection value from a sensor connected to the battery; and
a second internal state estimating part that calculates the other varying component of the varying parallel resistive component and the varying parallel capacitive component such that a product of the reference parallel resistive component and the reference parallel capacitive component is equal to a product of the one varying component and the other varying component,
wherein the equivalent circuit model comprises a series resistor which is connected in series to the at least one RC parallel circuit,
wherein the storage part stores a reference series resistive component, and
wherein the first internal state estimating part calculates a varying series resistive component on the basis of the detection value from the sensor and calculates the one varying component on a basis of a series resistance increase ratio and a reference component, wherein the series resistance increase ratio is a ratio of the varying series resistive component to the reference series resistive component,
wherein the varying parallel resistive component is calculated by multiplying the reference parallel resistive component by the series resistance increase ratio and the varying parallel capacitive component is calculated by dividing the reference parallel capacitive component by the series resistance increase ratio.

US Pat. No. 10,794,960

METHOD AND APPARATUS FOR DETECTING LOW VOLTAGE DEFECT OF SECONDARY BATTERY

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

8. An apparatus for detecting a low voltage defect of a secondary battery, comprising:an assembling unit configured to assemble a secondary battery by accommodating an electrode assembly, in which a positive electrode plate and a negative electrode plate are stacked with a separator being interposed therebetween, and an electrolytic solution in a battery case;
a primary aging unit configured to age the secondary battery, assembled by the assembling unit, at a temperature of 20° C. to 40° C.;
a primary formation unit configured to charge the secondary battery, aged by the primary aging unit, at a C-rate of 0.1 C to 0.5 C;
a high-rate charging unit configured to charge the secondary battery at a C-rate of 2 C or above, after the secondary battery is charged by the primary formation unit; and
a detecting unit configured to detect a defect of the secondary battery, after the secondary battery is charged by the high-rate charging unit.

US Pat. No. 10,794,959

BATTERY MANAGEMENT SYSTEM HAVING SEPARATE VOLTAGE MEASURING UNIT AND CONTROL UNIT

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

1. A system for managing a battery, the system comprising:one or more switches which connect a battery and a load;
a voltage measuring unit which measures a voltage value of the battery;
a control unit which controls the one or more switches based on the measured voltage value; and
a communicating unit which transmits the measured voltage value to the control unit,
wherein the voltage measuring unit, the one or more switches, and the communicating unit are formed as a battery disconnecting unit (BDU), and the control unit is positioned outside the BDU,
wherein the communicating unit includes an insulating unit which electrically insulates the measured voltage value,
wherein the insulating unit electrically insulates the measured voltage value measured by the voltage measuring unit from first and second reference voltages generated by a reference voltage generating unit,
wherein the insulating unit includes at least one encoder and at least one decoder, and
wherein the measured voltage value measured by the voltage measuring unit and the first and second reference voltages are encoded through the at least one encoder and decoded through the at least one decoder to be electrically insulated as an electrically insulated voltage value to reduce noise.

US Pat. No. 10,794,958

SYSTEM AND METHOD OF DETERMINING BATTERY SYSTEM CONDITION

Dell Products L.P., Roun...

1. An information handling system, comprising:an embedded controller, communicatively coupled to a battery system that is configured to power the information handling system;
wherein the embedded controller is configured to:
receive a cycle count from the battery system;
determine that the cycle count is above a threshold;
in response to determining that the cycle count is above the threshold, query the battery system for an expected margin of error;
receive the expected margin of error from the battery system;
determine that the expected margin of error is within a range; and
in response to determining that the expected margin of error is within the range:
compute a condition metric of the battery system based on a prediction of a capacity of the battery system and a design capacity of the battery system; and
store the condition metric of the battery system.

US Pat. No. 10,794,957

BATTERY MODULE AND CELL CONFIGURATION RECOGNITION SYSTEM FOR ID ASSIGNMENT

LG Chem, Ltd., (KR)

1. A system for determining battery module and cell configuration to allocate an ID of a plurality of battery modules of a battery pack connected in series, each battery module comprising a plurality of battery cells connected in series, wherein each the plurality of battery modules comprises a battery module BMS, the system comprising:a battery pack BMS comprising:
a measurement unit configured to measure a pack voltage of the battery pack; and
a control unit configured to determine a number of battery modules included in the battery pack based on a module voltage measured by one battery module BMS, and the pack voltage measured by the measurement unit of the battery pack BMS; and
a memory configured to store the number of battery modules included in the battery pack determined by the control unit,
wherein the control unit is further configured to:
allocate an ID to each battery module BMS, beginning with a first slave BMS, and then continuing to each subsequent slave BMS, wherein each subsequent slave BMS is allocated an ID in response to receiving an ID allocation request signal from a slave BMS to which an ID was previously assigned, wherein each ID allocation request signal includes an ID to be assigned to the subsequent slave BMS;
for each received ID allocation request signal, compare the ID included in the ID allocation request signal with the number of battery modules stored in the memory; and
terminate allocating an ID to each battery module BMS upon determining that the ID included in the ID allocation request signal corresponds to a number of battery modules equal to or greater than the number of battery modules stored in the memory.