Patents Examined by Edmond C Lau
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Patent number: 12135255Abstract: An optical fiber measurement device includes a light source, a light detector, a direction-changing member, and a tension-applying member. The light source emits light toward an optical fiber. The light detector receives the light that has propagated through the optical fiber. The optical fiber is hung on the direction-changing member. The direction-changing member changes an extending direction of the optical fiber to extend downward, the optical fiber being optically connected to the light source and the light detector at each of two end parts of the optical fiber. The tension-applying member applies a tension to the optical fiber hanging from the direction-changing member.Type: GrantFiled: September 1, 2020Date of Patent: November 5, 2024Assignee: Fujikura Ltd.Inventors: Takeshi Yoshida, Shoji Tanigawa, Akira Oshima, Ryo Omiya
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Patent number: 12135236Abstract: A rain sensor in a vehicle includes a transmitter to implement a pseudorandom modulation of a timing of emission of infrared transmissions toward a windshield of the vehicle. The rain sensor also includes a receiver to be active for only a specified period of time following each emission of the infrared transmissions and to receive a reflection based on the infrared transmission encountering any substance on the windshield.Type: GrantFiled: March 17, 2022Date of Patent: November 5, 2024Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventor: Vipul M. Patel
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Patent number: 12130196Abstract: A method for verifying an alignment of one or more devices of a vehicle in a manufacturing environment includes selecting an alignment verification routine to be performed by an autonomous alignment verification mobile robot (AAVMR) and autonomously positioning the AAVMR based on a position of the vehicle and one or more displacements associated with the alignment verification routine. The method includes performing, using the AAVMR, the alignment verification routine to generate one or more alignment characteristics associated with the one or more devices and broadcasting a notification based on the one or more alignment characteristics.Type: GrantFiled: April 1, 2022Date of Patent: October 29, 2024Assignee: Ford Global Technologies, LLCInventor: Kerry Lance Paskell
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Patent number: 12130184Abstract: The present invention relates to an arrangement (1) for measuring the temperature of a web. The arrangement (1) comprises a plurality of sensors (3) for contactless measuring of the temperature, an elongated housing (5) intended for extending essentially along a transverse direction (T) which is transverse to the direction of movement of a web. The sensors (3) are arranged in a chamber (6) within the housing (5) and spread along the front side (7a) of the housing (5). Each sensor (3) is connected to a data bus (9) for providing information of the measured temperature to other systems and/or apparatuses. The sensors (3) are attached to a support structure (19) having at least one rotatable shaft (23) in the interior of the housing (7), and wherein the shaft (23) is arranged to rotate the support structure (19) such that the sensors (3) are displaced to a calibration and/or protection position away from the openings (11) for calibration and/or protection of the sensors (3).Type: GrantFiled: June 16, 2020Date of Patent: October 29, 2024Assignee: IRCON DRYING SYSTEMS ABInventor: Fredrik Liljesater
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Patent number: 12125935Abstract: A method of making a light sensor module includes connecting a light sensing circuit to an interconnect on a substrate, and forming a cap. The cap is formed by producing a cap substrate from material opaque to light to have an opening formed therein, placing the cap substrate top-face down, dispensing a light transmissible material into the opening, compressing the light transmissible material using a hot tool to thereby cause the light transmissible material to fully flow into the opening to form at a light transmissible aperture, and placing the cap substrate into a curing environment. A bonding material is dispensed onto the substrate. The cap is picked up and placed onto the substrate positioned such that the light transmissible aperture is aligned with the light sensing circuit, with the bonding material bonding the cap to the substrate to thereby form the light sensor module.Type: GrantFiled: October 29, 2020Date of Patent: October 22, 2024Assignee: STMicroelectronics Asia Pacific Ptd LtdInventors: Jaspreet Singh Sidhu, Tat Ming Teo
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Patent number: 12124070Abstract: According to examples, a phase plate may include a transparent substrate and a photopolymer layer attached to the transparent substrate. The photopolymer layer may adjust a backlight via a phase adjustment and focusing. The phase plate may focus a plurality of red, green, and blue components of the backlight onto respective red, green, and blue subpixels of a thin-film-transistor (TFT) layer deposited thereon. A distance between the photopolymer layer of the phase plate and the plurality of red, green, and blue subpixels of the thin-film-transistor (TFT) layer may be in a range from about 200 ?m to about 500 ?m. In some examples, the phase plate may be part of a liquid crystal display (LCD) apparatus along with a red, green, blue (RGB) laser to provide backlight; a grating light guide to transmit the backlight; and a liquid crystal display (LCD) layer on the thin-film-transistor (TFT) layer.Type: GrantFiled: March 30, 2023Date of Patent: October 22, 2024Assignee: Meta Platforms Technologies, LLCInventors: Jian Xu, Xingzhou Tu, Ying Geng, Jacques Gollier
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Patent number: 12123770Abstract: Methods, systems, and apparatus, including computer programs encoded on computer storage media, for a light-to-frequency sensor conversion. In some implementations, a first output waveform is generated from a light signal, a frequency of the first output waveform being based on an intensity of the light signal, including integrating the light signal across multiple clock cycles. In response to receiving a notification, a hold operation is performed to stop integrating the light signal for a period of time. In response to an end of the hold operation, a second output waveform is generated that includes integrating the intensity of the light signal starting from the end of the hold operation over a count of the multiple clock cycles that start after the end of the hold operation by a delay amount. The first output waveform and the second output waveform are summed to determine the intensity of the light signal.Type: GrantFiled: July 15, 2020Date of Patent: October 22, 2024Assignee: AMS INTERNATIONAL AGInventor: Ravi Kumar Adusumalli
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Patent number: 12111533Abstract: An optical path control member according to an embodiment comprises: a first substrate; a first electrode arranged on the upper surface of the first substrate; a second substrate arranged on top of the first substrate; a second electrode arranged on the lower surface of the second substrate; and an optical conversion unit which is arranged between the first electrode and the second electrode and which defines a first direction and a second direction, wherein the optical conversion unit comprises a partition part and an accommodation part that are alternately arranged in the first direction, the accommodation part includes a plurality of cells arranged to be spaced in the second direction, at least one of the cells includes a first inner side surface and a second inner side surface that are connected to each other, and the first inner side surface and/or the second inner side surface extends in a direction other than the first and second directions.Type: GrantFiled: September 22, 2020Date of Patent: October 8, 2024Assignee: LG INNOTEK CO., LTD.Inventors: In Hae Lee, Young Ju Han, Byung Sook Kim, Kweon Jin Lee, Jun Sik Shin
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Patent number: 12111243Abstract: A hydrodynamic focusing device comprises first and second flow channels; a wall at least partially defining an envelopment region connected in-line between the first and second flow channels which collectively define a flow direction extending therethrough; and a chimney comprising a body and a sample fluid inlet, extending from the wall and into the envelopment region. The sample fluid inlet faces at least partially perpendicular to the flow direction in the envelopment region, such that the sample fluid inlet is configured to supply a sample fluid into the envelopment region in a direction that is at least partially perpendicular to the flow direction. The body and the sample fluid inlet each have an elongate profile which has a rounded leading edge facing the first flow channel and opposing long edges connecting the leading and trailing edges and tapered towards the trailing edge.Type: GrantFiled: December 1, 2020Date of Patent: October 8, 2024Assignee: FOSS Analytical A/SInventors: Christer Zoffmann Bisgaard, Anders Brask, Miguel Carro Temboury
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Patent number: 12111270Abstract: A method of inspecting a wafer comprising measuring an intensity of an incident light and storing the measurement as stored incident light intensity, irradiating the incident light to the wafer, measuring an intensity of a reflected light from the wafer and storing the measurement as stored reflected light intensity, and correcting the stored reflected light intensity based on a difference between the stored incident light intensity and a reference intensity of a reference incident light.Type: GrantFiled: April 21, 2022Date of Patent: October 8, 2024Assignee: SAMSUNG ELECTRONICS CO., LTD.Inventors: Juntaek Oh, Jinwoo Ahn, Kijoo Hong, Youngkyu Park, Eunsoo Hwang
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Patent number: 12103196Abstract: There is provided an inspection apparatus for inspecting a plate-shaped inspection target being conveyed. The inspection apparatus includes a light source configured to emit a linear light beam extending along the thickness direction of the inspection target to irradiate a side surface at a lateral end of the inspection target in a width direction orthogonal to a conveying direction of the inspection target, an imager configured to capture the light beam emitted from the light source and irradiating the side surface at the lateral end of the inspection target, an imager driving device configured to move the imager, and an imager controller configured to control the position of the imager. The imager controller is configured to control the position of the imager according to the position of the lateral end of the inspection target.Type: GrantFiled: May 7, 2019Date of Patent: October 1, 2024Assignee: YOSHINO GYPSUM CO., LTD.Inventor: Kenzo Yasue
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Patent number: 12105308Abstract: The present invention relates to a polarization filter for ophthalmic lenses. The polarization filter comprises a mesogen layer coated onto a retardation film, either directly or through an adhesive layer. The present invention further discloses that the polarization filter formed by employing a thin film or sheet, having a defined level of retardation between the light source and the mesogen layer, for example, a cholesteric mesogen layer, the multilayered laminate structure demonstrates linear polarization of the light transmitted through the mesogen laminate structure, and, hence, can be used in ophthalmic lenses, e.g. spectacle or eyeglass lenses. The polarization filter enhances the performance by allowing transmission of the polarization filter closer to the theoretical maximum transmission.Type: GrantFiled: April 27, 2022Date of Patent: October 1, 2024Assignee: HOYA Optical Labs of America, Inc.Inventors: James Mulligan, Michael Boulineau, Jeffrey Brown, Jared Johnson, Michael Marshall, Sandy Goebel, Joseph Leaman
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Patent number: 12105017Abstract: The disclosure discloses a laser opto-ultrasonic dual detection method and device using a pulse laser incident on the surface of a sample to generate plasma and the optical emission and ultrasonic waves are generated, to simultaneously analyze the element compositions, structural defects and residual stress of the sample. The detection system includes an excitation unit, a spectrum detection module, an ultrasonic detection module and an analysis control module. The digital delayer generator is connected to the computer, the high-precision 3D displacement platform is electrically connected to the digital delayer generator. The the pulsed laser is focused on and incident onto the surface of the sample to be tested through modulation of the optical path system to generate plasma, which simultaneously generate optical emission and ultrasonic waves. The ultrasonic detection unit is configured to detect the ultrasonic waves. The spectrum detection unit is configured to detect the plasma emission spectrum.Type: GrantFiled: December 16, 2019Date of Patent: October 1, 2024Assignee: HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGYInventors: Lianbo Guo, Yuyang Ma, Zhenlin Hu, Xiujuan Hu, Weiliang Wang
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Patent number: 12097083Abstract: A method is provided for providing a set of ingredients for manufacturing of a dental prosthesis covering. The method comprises receiving a background colour value providing information on a colour of a background substrate on which the prosthesis is to be provided, receiving an appearance colour value providing information on an appearance colour of the prosthesis and receiving a thickness value providing information on a thickness of the dental prosthesis covering. In an electronic memory, a first ingredient record is looked up comprising first ingredient value, based on the measured background value and the measured appearance colour value. The first ingredient values are adjusted in an electronic processor adjusted based on the thickness value and through electronic output means, the adjusted ingredient data is provided. By adjusting ingredients for thickness, a more natural appearance may be achieved.Type: GrantFiled: February 28, 2020Date of Patent: September 24, 2024Assignee: GRATITUDE HOLDING B.V.Inventor: Marat Wartanovic Awdaljan
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Patent number: 12099004Abstract: A gas detection device 1 comprises: a light emitter 10 configured to emit light of a wavelength band including a wavelength absorbed by a detection target gas; a light detector 20 having sensitivity to the wavelength band; a package 40; a light guide 50 configured to guide the light to the light detector 20; a joint 60 joining the package 40 and the light guide 50; and a heat insulator 70 located in a gap between the package 40 and the light guide 50, wherein part of a surface of the package 40 facing the light guide 50 has a proximity region D where a distance between the package 40 and the light guide 50 is 500 ?m or less, and at least part of the heat insulator 70 and at least part of the joint 60 are located adjacent to each other in part of the proximity region D.Type: GrantFiled: March 25, 2022Date of Patent: September 24, 2024Assignee: Asahi Kasei Microdevices CorporationInventors: Takaaki Furuya, Shota Isshiki
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Patent number: 12099276Abstract: A complex light modulator including a first polarization plate, a second polarization plate provided, an amplitude modulator provided between the first polarization plate and the second polarization plate, a phase modulator provided between the amplitude modulator and the second polarization plate, and color filters provided between the amplitude modulator and the phase modulator.Type: GrantFiled: September 6, 2022Date of Patent: September 24, 2024Assignees: SAMSUNG ELECTRONICS CO., LTD., Korea University Research and Business Foundation, Sejong CampusInventors: Yunhee Kim, Hwi Kim, Sehwan Na, Hoon Song, Hongseok Lee
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Patent number: 12099002Abstract: A single-beam photothermal measurement apparatus and a measurement method for absorptive defects. The apparatus comprises a common-path-type structure and a non-common-path-type structure. The present invention is simple in optical structure and convenient to align and adjustment. The measurement result is stable, and measurement signal anomalies caused by environmental vibration and sample tilt are avoided. By detecting a power change on the edge of a beam spot, the measurement sensitivity of a system is remarkably improved.Type: GrantFiled: December 30, 2021Date of Patent: September 24, 2024Assignees: Shanghai Institute of Optics And Fine Mechanics, Chinese Academy of Sciences, Shanghai Hengyi Optics And Fine Mechanics Co., LtdInventors: Shijie Liu, Kaizao Ni, Jianda Shao, Weiwei Wang, Tianzhu Xu, Yingjia Li, Qi Lu
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Optical measuring unit and optical measuring method for obtaining measurement signals of fluid media
Patent number: 12092568Abstract: Aspects of the present disclosure are directed to, for example, an optical measurement unit for obtaining measurement signals from liquid media which are present in cuvettes lined up next to one another. In one embodiment, the optical measurement unit includes a light-supplying unit for emitting an inlet radiation into the cuvettes, and a detection unit for detecting a measurement radiation exiting from the cuvettes and for converting the measurement radiation into an electrical measurement signal. In such an embodiment, the light-supplying unit has a plurality of LED light sources which emit in a spectrally different manner in the UV/VIS/NIR wavelength range, and wherein the detection unit includes at least one photodiode fixedly assigned to each cuvette of a cuvette array.Type: GrantFiled: April 12, 2019Date of Patent: September 17, 2024Assignee: Meon Medical Solutions Gmbh & Co KGInventors: Herfried Huemer, Arnold Bartel, Stefan Gulo, Patrick Kraus-Füreder, Robert Scholz-Mareich, Wolfgang Sprengers -
Patent number: 12085703Abstract: Physical calibration slide comprising a plurality of etched features. The etched features may comprise two or more of a slanted Ronchi ruling feature comprising at least one set of parallel lines that are slanted with respect to a long and short axis of the slide, a straight Ronchi ruling feature comprising at least one set of parallel lines that are parallel to either the long or short axis, a star target feature comprising a circle with a plurality of wedge pairs, a crosshair feature comprising at least one crosshair, a clear area, a letter-O feature comprising a circle, a resolution target feature comprising one or more resolution targets, a bullseye feature comprising a two-dimensional array of bullseyes, a triangle feature comprising at least one isosceles triangle, or a symmetric corers feature comprising two symmetric sets of geometric shapes arranged in an L-shape.Type: GrantFiled: August 6, 2020Date of Patent: September 10, 2024Assignee: Leica Biosystems Imaging, Inc.Inventor: Yunlu Zou
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Patent number: 12078472Abstract: An interferometric displacement measurement system and method based on phase modulation of polarized light of micro probe are provided. An electro-optic phase modulator is used to perform sinusoidal phase modulation on a light beam emitted by a semiconductor laser to obtain an adjusted light beam. The adjusted light beam is divided by a polarization beam splitter to generate a reference light beam and a measurement light beam. The two light beams are respectively reflected by a built-in reflection surface of a micro probe and a target mirror, and transmitted to a polarization-maintaining fiber circulator. The reference light beam interferes with the measurement light beam at a fiber optic polarization element to generate an interference light signal. A photodetector converts the interference light signal into an interference electrical signal, and the interference electrical signal is demodulated by a signal demodulator to obtain a displacement value of the target mirror.Type: GrantFiled: December 24, 2023Date of Patent: September 3, 2024Assignee: HARBIN INSTITUTE OF TECHNOLOGYInventors: Yisi Dong, Chen Zhang, Pengcheng Hu