Patents Examined by Georgia Y. Epps
  • Patent number: 10782444
    Abstract: A light projector and a light receiver each includes a case body, a light transmission plate closing an opening in a front face of the case body, and a pair of caps closing openings in end faces of the case body. The case body includes first supports supporting side edges of the light transmission plate, the caps respectively include second supports supporting ends of the light transmission plate, the light transmission plate is supported by the first supports and the second supports with an elastic member interposed between the light transmission plate and the first and second supports, and the cap is fixed to the case body while the seal member abutting on the end face of the case body is interposed between the cap and the case body. A cured liquid sealing agent is interposed between leading ends of the seal member and the elastic member.
    Type: Grant
    Filed: June 22, 2017
    Date of Patent: September 22, 2020
    Assignee: OMRON Corporation
    Inventors: Satoshi Nishiuchi, Tetsuya Fukumoto, Nobuchika Takiguchi, Takamasa Yamaji
  • Patent number: 10775243
    Abstract: In accordance with heat received from a target object, a visible light absorption element 10 changes a frequency component of visible light to reflect or transmit. The visible light absorption element 10 possesses a resonance frequency included in a visible light frequency region. The visible light absorption element 10 absorbs visible light of the resonance frequency. The visible light absorption element 10 thermally deforms due to temperature change to thereby change the resonance frequency, and absorbs visible light of the changed resonance frequency.
    Type: Grant
    Filed: August 15, 2017
    Date of Patent: September 15, 2020
    Assignee: RIKEN
    Inventor: Takuo Tanaka
  • Patent number: 10777698
    Abstract: Systems and methods implementing a resonance circuit, including an avalanche photodiode, in which a resonance frequency of the resonance circuit is matched with the frequency of a dynamic biasing signal of the avalanche photodiode, can be used in a variety of applications. In various embodiments, a method for blocking and/or compensating current injection associated with the parasitic capacitance of APDs operated under dynamic biasing may be substantially realized by the matching of the resonance frequency of a resonance circuit including the avalanche photodiode with the frequency of an applied dynamic biasing signal. Additional systems and methods are described that can be used in a variety of applications.
    Type: Grant
    Filed: October 15, 2018
    Date of Patent: September 15, 2020
    Assignee: STC.UNM
    Inventors: Majeed M. Hayat, Payman Zarkesh-Ha
  • Patent number: 10768404
    Abstract: A modulation monitoring system is disclosed for use with an imaging system that includes a variable focal length (VFL) lens, an objective lens, a camera, and a VFL lens controller which is configured to control the VFL lens to periodically modulate its optical power and thereby periodically modulate a focus position of the imaging system over a plurality of Z heights along a Z height direction. The modulation monitoring system comprises a VFL-traversing light source, comprising a light source configured to provide VFL-traversing light along a modulation monitoring light path through the VFL lens, and a modulation signal determining portion comprising an optical detector configured to receive the VFL-traversing light, and to provide at least one optical detector signal that corresponds to the modulated optical power of the VFL lens. The modulation monitoring portion outputs a least one modulation monitoring signal based on the at least one optical detector signal.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: September 8, 2020
    Assignee: Mitutoyo Corporation
    Inventor: Scott Allen Harsila
  • Patent number: 10771007
    Abstract: A solar tracker assembly is provided which includes a support column, a torque tube or torsion beam connected to the support column, a mounting mechanism attached to the torque tube or torsion beam, a drive system connected to the torque tube or torsion beam, and a spring counter-balance assembly connected to the torque tube or torsion beam. An exemplary spring counter-balance assembly comprises a bearing housing and a bushing disposed within the bearing housing and configured to be slideably mounted onto the torque tube or torsion beam, and one or more compressible cords made of a flexible material. The compressible cords are located between the bushing and the bearing housing and provide damping during rotational movement of the solar tracker assembly. An exemplary spring counter-balance assembly is provided including at least one top bracket and at least one bottom bracket, at least one spring, a damper, and a bracket.
    Type: Grant
    Filed: March 1, 2018
    Date of Patent: September 8, 2020
    Assignee: Array Technologies, Inc.
    Inventor: Ronald P. Corio
  • Patent number: 10763410
    Abstract: A light emitting device includes a resin package including: a first lead and a second lead, each including a top surface and a bottom surface, and a first resin portion located between the first lead and the second lead and extending in a first direction; a first light emitting element and a second light emitting element arrayed on the top surface of the first lead in the first direction, the first light emitting element and the second light emitting element each including at least a first side surface; and an encapsulant located on the top surface of the first lead and covering the first light emitting element and the second light emitting element. The first side surface of the first light emitting element and the first side surface of the second light emitting element partially face each other.
    Type: Grant
    Filed: June 13, 2017
    Date of Patent: September 1, 2020
    Assignee: NICHIA CORPORATION
    Inventor: Keigo Nishida
  • Patent number: 10760962
    Abstract: A spectroscopic measurement device includes a light receiving element that receives light and outputs a light receiving signal, a variable amplification circuit that amplifies the light receiving signal which is input, and a dark voltage correction unit that calculates a correction coefficient that is a rate of change of a dark voltage value with respect to gains, based on an output value of the variable amplification circuit with each value of two or more gains which are equal to or greater than a predetermined value in an environment where no light is incident on the light receiving element.
    Type: Grant
    Filed: December 26, 2018
    Date of Patent: September 1, 2020
    Assignee: Seiko Epson Corporation
    Inventor: Ryohei Kuri
  • Patent number: 10760960
    Abstract: A coincidence resolving time readout circuit is described. An analog SiPM sensor for detecting photons and generating an SIPM output signal is provided. An ADC is configured to provide multiple threshold values for converting the analogue SiPM output signal to digital values. A time to digital converter configured to receive multiple digital values from the ADC and timestamp the digital values.
    Type: Grant
    Filed: March 10, 2017
    Date of Patent: September 1, 2020
    Assignee: SENSL TECHNOLOGIES LTD.
    Inventors: Salvatore Gnecchi, John Carlton Jackson, Edoardo Charbon
  • Patent number: 10760956
    Abstract: A wavefront control apparatus includes a detector configured to detect a signal generated from a medium onto which light is irradiated, and a controller configured to control a wavefront of the light based on an output of the detector. The controller performs first processing for forming a first wavefront of the light based on the signal generated from a first measurement position in the medium, and second processing for forming a second wavefront of the light based on the signal generated from a second measurement position different from the first measurement position in the medium onto which the light having the first wavefront is irradiated.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takahiro Masumura
  • Patent number: 10764524
    Abstract: Provided is an imaging apparatus, including: a photoelectric conversion element; an amplifier transistor configured to output a voltage corresponding to electric charges generated by the photoelectric conversion element; a load transistor configured to supply a bias current to the amplifier transistor; and a voltage supply unit configured to input one of a first voltage and a second voltage, which have different voltage values, to a control node of the load transistor via an input capacitor. In the imaging apparatus, a current value of the bias current to be supplied by the load transistor at a time when the second voltage is input to the control node via the input capacitor is larger than a current value of the bias current to be supplied by the load transistor at a time when the first voltage is input to the control node via the input capacitor.
    Type: Grant
    Filed: February 21, 2018
    Date of Patent: September 1, 2020
    Assignee: CANON KABUSHIKI KAISHA
    Inventor: Takamasa Sakuragi
  • Patent number: 10760894
    Abstract: An optical detecting device is utilized to determine a relative position of a reference object or a light source according to an optical reflecting signal reflected from the reference object via an optical detecting signal emitted by the light source. The optical detecting device includes a light penetrating component, at least one light tight structure and an optical detecting component. A focal length of the light penetrating component is greater than a predetermined distance. The light tight structure is located on a region correlative to the light penetrating component. The optical detecting component is disposed by the light penetrating component and spaced from the light penetrating component by the predetermined distance. The optical reflecting signal is projected onto the optical detecting component through the light penetrating component to form a characteristic image via the light tight structure, and the characteristic image can be used to determine the relative position.
    Type: Grant
    Filed: March 22, 2017
    Date of Patent: September 1, 2020
    Assignee: PixArt Imaging Inc.
    Inventors: Ching-Lin Chung, Tien-Li Lin
  • Patent number: 10760963
    Abstract: A circuit arrangement comprises a photo detector (2) for detecting electromagnetic energy and a signal generating means (4, 6, 12, 16) being suitable for generating a sequence of events wherein an event interval of the sequence depends on the detected electromagnetic energy. The signal generating means (4, 6, 12, 16) is coupled downstream of the photo detector (2). A counting means (30, 32, 34, 36) for measuring a time period until a given number of events has been generated is coupled downstream of the signal generating means (4, 6, 12, 16).
    Type: Grant
    Filed: July 17, 2018
    Date of Patent: September 1, 2020
    Assignee: ams International AG
    Inventor: Gregg Kodra
  • Patent number: 10760992
    Abstract: An optical power monitor device includes a first optical fiber, including a core and a cladding surrounding the core and being at least one of an incidence-side optical fiber and a launch-side optical fiber connected to each other at a connection point, which is constituted by a curve portion and a linear portion between the curve portion and the connection point, a low refractive index layer that is provided in at least a portion of the linear portion on an outer side of the cladding and has a refractive index lower than a refractive index of the cladding, and a first optical detector that is provided at a position close to at least the curve portion.
    Type: Grant
    Filed: February 23, 2017
    Date of Patent: September 1, 2020
    Assignee: FUJIKURA LTD.
    Inventor: Masahiro Kashiwagi
  • Patent number: 10753746
    Abstract: A digitizer system includes a substrate with indicia that uniquely define local areas of the substrate. A multi-mode sensor device, such as a stylus, may sense radiation emitted from the features, and selectively switch to a mode of operation that can sense the indicia and determine therefrom the location of the stylus relative to the substrate.
    Type: Grant
    Filed: December 13, 2012
    Date of Patent: August 25, 2020
    Assignee: 3M Innovative Properties, Inc.
    Inventors: Bernard O. Geaghan, Michael W. Dolezal
  • Patent number: 10752165
    Abstract: A visual signal system for a vehicle projects a shaped light symbol onto the ground. For example, a visual signal system for a vehicle can include a light source configured to project light outside of a vehicle. In an example, the visual signal system can also include a ground projection adjustor configured to adjust the light source to be a projection of light on the ground. In an example, the visual signal system can also include a connection interface configured to transmit instructions to the ground projection adjustor and the light source.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: August 25, 2020
    Assignee: Panasonic Automative Systems Company of America, division of Panasonic Corporation of North America
    Inventor: Edo Omanovic
  • Patent number: 10753773
    Abstract: A angle detection system, includes a first member pivotally coupled to a second member. An optical cable connecting an optical transmitter provided on the first member and an optical receiver provided on the second member is used by an angle detection engine to determine signal loss of an optical signal provided by the optical transmitter through the optical cable to the optical receiver. The angle detection engine then determines, based on the signal loss, a first angle of the second member relative to the first member. The angle detection engine then performs an instruction based on the first angle.
    Type: Grant
    Filed: December 21, 2017
    Date of Patent: August 25, 2020
    Assignee: Dell Products L.P.
    Inventors: John Trevor Morrison, Jace William Files
  • Patent number: 10749076
    Abstract: A light-emitting device includes a light-emitting structure with an electrode layer, a light-transmitting body, a reflective layer and a metal bump. The light-transmitting body covers the light-emitting structure, and has a first side surface and a second side surface which are substantially perpendicular to each other. The reflective layer covers the first side surface without covering the second side surface. The metal bump is directly formed on the electrode layer.
    Type: Grant
    Filed: June 29, 2017
    Date of Patent: August 18, 2020
    Assignee: EPISTAR CORPORATION
    Inventors: Liu Chun-Hung, Liao Shih-An, Liu Chien-Liang
  • Patent number: 10746534
    Abstract: A device and system for enabling calibration of a structure includes at least one elongate strap having a lower temperature coefficient than the structure, and a length sufficient to encompass a circumference of an external surface of the structure, and at least one diffraction grating having a temperature coefficient at least as high as the structure, wherein the diffraction grating is coupled to the strap and is in direct contact with the external surface of the structure. Deformations in the external surface of the structure induce corresponding deformations in the diffraction grating.
    Type: Grant
    Filed: July 3, 2017
    Date of Patent: August 18, 2020
    Assignee: SAUDI ARABIAN OIL COMPANY
    Inventors: Enrico Bovero, Ali Outa, Ihsan M. Al-Taie
  • Patent number: 10746924
    Abstract: An optical communication device includes a support substrate, an optical waveguide, and a detector. The optical waveguide includes a first cladding layer that is formed on the support substrate, and is composed of silicon oxide or a material containing silicon oxide; a second cladding layer formed on the first cladding layer; and a core that is formed within the second cladding layer or between the first cladding layer and the second cladding layer, and is composed of silicon or a silicon-containing material. The detector contacts a part of the core, and is adapted to detect an intensity of light propagating through the core.
    Type: Grant
    Filed: June 10, 2016
    Date of Patent: August 18, 2020
    Assignee: FUJITSU OPTICAL COMPONENTS LIMITED
    Inventor: Masaki Sugiyama
  • Patent number: 10746573
    Abstract: An optical encoder includes a light source, a plurality of diffraction gratings including grating faces on which a plurality of grooves are disposed in parallel, and a light-receiving unit configured to receive the light diffracted at the plurality of diffraction gratings. The diffraction gratings include a first diffraction grating that is a first-stage diffraction grating adjacent to the light source, a third diffraction grating that is a last-stage diffraction grating adjacent to the light-receiving unit, and a second diffraction grating that is an output-stage diffraction grating of the first-stage diffraction grating and an input-stage diffraction grating of the last-stage diffraction grating. The diffraction gratings are disposed such that the ratio of the first gap to the third gap equals the ratio of the second gap to the fourth gap, and a length of the first gap differs from a length of the second gap.
    Type: Grant
    Filed: October 30, 2018
    Date of Patent: August 18, 2020
    Assignee: MITUTOYO CORPORATION
    Inventor: Akihide Kimura