With Photodetection Patents (Class 356/4.01)
  • Patent number: 11520011
    Abstract: An optical assembly for a LiDAR system is described. The optical assembly includes receiver optics and transmitter optics, designed to include partially coaxial beam paths; a line light source having a line orientation, which is configured, in particular within the range of a field of view of the underlying LiDAR system; and a deflection unit in a transition region from a common coaxial region to a separate biaxial region of the beam paths of the receiver optics and of the transmitter optics for biaxially splitting off a detector-side portion of the beam path of the receiver optics. The deflection unit has a hole mirror having an elongated hole that has a greater extent in a direction of longitudinal extent and a lesser extent in a direction of transverse extent. The direction of longitudinal extent of the elongated hole is oriented orthogonally to the line orientation of the line light source.
    Type: Grant
    Filed: August 3, 2018
    Date of Patent: December 6, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Annemarie Holleczek, Jan Sparbert, Siegwart Bogatscher, Stefan Spiessberger, Tobias Peterseim
  • Patent number: 11513224
    Abstract: At least one beam of an optical wave is transmitted along a transmission angle toward a target location from a send aperture of a transmitter. A collected optical wave is received at receive apertures of two or more receivers. Each receiver comprises: a receive aperture arranged in proximity to at least one of the send aperture or a receive aperture of a different receiver, an optical phased array within the receive aperture, which receives at least a portion of a collected optical wave arriving at the receive aperture along a respective collection angle, and a detector that provides a signal based on the received portion of the collected optical wave. An estimated distance associated with the collected optical wave is determined based on a combination that includes a respective component corresponding to each of two or more of the signals provided from the detectors of the two or more receivers.
    Type: Grant
    Filed: May 3, 2019
    Date of Patent: November 29, 2022
    Assignee: Analog Photonics LLC
    Inventors: Peter Nicholas Russo, Ehsan Shah Hosseini
  • Patent number: 11512181
    Abstract: The invention relates to a vehicle utilizing a LiDAR sensor system for driver assistance systems. A composition consisting of a thermoplastic material based on polycarbonate, polyester carbonate and/or polymethylmethacrylate is used here for forming a cover for the sensor against the surroundings.
    Type: Grant
    Filed: April 23, 2018
    Date of Patent: November 29, 2022
    Assignee: COVESTRO DEUTSCHLAND AG
    Inventors: Ulrich Grosser, Alexander Meyer, Andreas Klein
  • Patent number: 11508247
    Abstract: An aircraft collision avoidance system includes a plurality of three-dimensional (3D) light detection and ranging (LIDAR) sensors, a plurality of sensor processors, a plurality of transmitters, and a display device. Each 3D LIDAR sensor is enclosed in an aircraft exterior lighting fixture that is configured for mounting on an aircraft, and is configured to sense objects within its field-of-view and supply sensor data. Each sensor processor receives sensor data and processes the received sensor data to determine locations and physical dimensions of the sensed objects. Each transmitter receives the object data, and is configured to transmit the received object data. The display device receives and fuses the object data transmitted from each transmitter, fuses the object data and selectively generates one or more potential obstacle alerts based on the fused object data.
    Type: Grant
    Filed: July 27, 2017
    Date of Patent: November 22, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Sunit Kumar Saxena, Niranjan Kalyandurg, Shrikant Rao
  • Patent number: 11493635
    Abstract: A system for determining a pose of a vehicle and building maps from vehicle priors processes received ground intensity LIDAR data including intensity data for points believed to be on the ground and height information to form ground intensity LIDAR (GIL) images including pixels in 2D coordinates where each pixel contains an intensity value, a height value, and x- and y-gradients of intensity and height. The GIL images are formed by filtering aggregated ground intensity LIDAR data falling into a same spatial bin on the ground and using a registration algorithm to align two GIL images relative to one another by estimating a 6-degree-of-freedom pose with associated uncertainty that minimizes error between the two GIL images. The aligned GIL images are provided as a pose estimate to a localizer. The system may provide online localization and pose estimation, prior building, and prior to prior alignment pose estimation using image-based techniques.
    Type: Grant
    Filed: August 9, 2019
    Date of Patent: November 8, 2022
    Assignee: UATC, LLC
    Inventors: Peter Hansen, Hatem Alismail
  • Patent number: 11493828
    Abstract: A range finder includes a prism module and a prism adjusting mechanism. The prism module includes a fixing prism group and a movable prism group, wherein the fixing prism group is adjacent to the movable prism group. The prism adjusting mechanism includes a first adjusting group and a second adjusting group, wherein the first adjusting group includes a first adjusting member and a second adjusting member, and the second adjusting group includes a third adjusting member. The first adjusting member or the second adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a first axis, the third adjusting member is rotated to axially move so that the movable prism group is rotated with respect to the fixing prism group about a second axis, and the first axis is perpendicular to the second axis.
    Type: Grant
    Filed: April 13, 2020
    Date of Patent: November 8, 2022
    Assignees: SINTAI OPTICAL (SHENZHEN) CO., LTD., ASIA OPTICAL CO., LTD.
    Inventors: Hua-Tang Liu, Sheng Luo, Chin-Hsiang Wang, Lian Zhao, Bin Liu
  • Patent number: 11493610
    Abstract: A lidar system that includes a laser source and a scannable mirror can be controlled to adaptively schedule the firing of laser pulse shots at range points in a field of view. A first plurality of laser pulse shots that are fired during a scan of the mirror in a first scan direction can trigger the detection of a region of interest in the field of view. In response to this detection, a second plurality of laser shots targeting the region of interest can be scheduled for the next return scan of the mirror in the opposite direction.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: November 8, 2022
    Assignee: AEYE, Inc.
    Inventors: Philippe Feru, Luis Dussan, Joel Benscoter, Alex Liang, Igor Polishchuk, Allan Steinhardt
  • Patent number: 11487044
    Abstract: The present invention relates to a trench cross-section reference line setting device, comprising: a trench reference line setting body unit (100) for setting a trench cross-section reference line, wherein the trench reference line setting body unit (100) has a sensor unit (10) at the center thereof, two horizontal units (20) orthogonal to each other on the upper surface thereof, and three laser light source units (30) and a grid photographing unit (110?), respectively, on the side surfaces thereof; a reference line setting tripod unit (200) rotatably coupled to the trench reference line setting body unit (100) and having a posture adjusting unit (230) and a height adjusting unit (250); and a trench stratum analysis server (300) for receiving a fault image photographed by the grid photographing unit (110?) of the trench reference line setting body unit (100) and creating a stratum map of a trench cross-section structure.
    Type: Grant
    Filed: December 5, 2018
    Date of Patent: November 1, 2022
    Assignee: KOREA INSTITUTE OF GEOSCIENCES AND MINERAL RESOURCES
    Inventors: Yong Sik Gihm, Kwangmin Jin, Jin Hyuck Choi
  • Patent number: 11480680
    Abstract: A lidar receiver can employ multiple processors to distribute the workload of processing returns from laser pulse shots. Activation/deactivation times of pixel sets that are used by the lidar receiver to sense returns can be used to define which samples in a return buffer will be used for processing to detect each return, and multiple processors can share the workload of processing these samples in an effort to improve the latency of return detection.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: October 25, 2022
    Assignee: AEYE, Inc.
    Inventors: Naveen Reddy, Allan Steinhardt, Luis Dussan, Joel Benscoter, Alex Liang, Philippe Feru, Igor Polishchuk
  • Patent number: 11483503
    Abstract: An example apparatus includes a light projecting system, a light receiving system, and a controller. The light projecting system projects beams of light of a wavelength that is invisible. The beams form a pattern on a surface when the beams are incident upon the surface. The light receiving system acquires an image of the pattern on the surface. The controller calculates a distance to the surface based on the image. The light receiving system includes a lens, an imaging sensor, and a bandpass filter. The imaging sensor includes a first subset of photodetectors sensitive to wavelengths of light that are visible and a second subset of photodetectors sensitive to the wavelength of light that is invisible. The bandpass filter includes a first passband whose range corresponds to the wavelengths of light that are visible and a second passband whose range corresponds to the wavelength of light that is invisible.
    Type: Grant
    Filed: January 13, 2020
    Date of Patent: October 25, 2022
    Assignee: Magik Eye Inc.
    Inventor: Akiteru Kimura
  • Patent number: 11481670
    Abstract: A method may include obtaining a data set for analysis, and selecting at least one candidate of bias for predicting whether the data set includes a result that is biased based on the candidate. The method may also include generating a point cloud of the data set based on the candidate and the result. The method may additionally include computing, prior to performing classification on the data set using machine learning, persistence homology on the point cloud based on the candidate and the result. The method may also include plotting persistence barcodes based on the persistence homology, where the persistence barcodes may be indicative of a duration of complexes within the persistence homology, determining a length of a longest barcode in the persistence barcodes, and generating a quantification of the bias based on the longest barcode and a visualization of the bias based on the plot of the persistence barcodes.
    Type: Grant
    Filed: April 26, 2019
    Date of Patent: October 25, 2022
    Assignee: FUJITSU LIMITED
    Inventors: Ramya Malur Srinivasan, Ajay Chander
  • Patent number: 11480677
    Abstract: A tool for applying a protective film to a lens of a light detection and ranging (LIDAR) sensor is disclosed. The tool includes at least one cover, a film spindle, a film roller, and a pivot bar. The at least one cover has an elongated shape with a first end and a second end opposite of the first end. The film spindle is mounted to the at least one cover adjacent to the second end thereof. The film spindle is configured to hold a roll of the protective film. The film roller is mounted to the at least one cover adjacent to the first end thereof. The film roller is configured to apply the protective film onto the lens. The pivot bar has a first end configured to be pivotally attached to the LIDAR sensor and a second end pivotally attached to the at least one cover.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: October 25, 2022
    Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventors: Anthony L. Smith, Adam L. Wright, Nathaniel W. Hart
  • Patent number: 11480679
    Abstract: A distance measurement sensor that detects a distance to an object based on heterodyne detection using light generated from a light source and another light received by a light receiver, includes: a scanning unit which scans the light in a first direction; a diffusing lens which diffuses the light in a second direction; multiplexers which multiplex the light and the another light to provide optical signals, respectively; and a processor which detects the distance to the object based on the optical signals. The light receiver has light receiving antennas in the second direction. The multiplexers are connected to the light receiving antennas, respectively. The processor performs a parallel processing for detecting the distance to the object based on the optical signals with respect to the light receiving antennas individually.
    Type: Grant
    Filed: November 21, 2019
    Date of Patent: October 25, 2022
    Assignee: DENSO CORPORATION
    Inventors: Tomoki Tanemura, Koichi Oyama, Taku Suzuki, Daisuke Inoue
  • Patent number: 11483067
    Abstract: An optical detection unit detects a return light and outputs a detection signal. An optical multiplexer/demultiplexer outputs the monitoring light to the optical transmission line, and outputs the return light to the optical detection unit. A processing unit detects a first timing at which the detection signal becomes less than a first threshold value, detects a second timing at which the detection signal becomes less than a second threshold value, and calculates a first change rate of the detection signal in a period between the first and second timings. The processing unit changes the first and second threshold values to calculate the first change rate for a plurality of periods, and, when a second change rate between the first change rates in two adjacent periods is greater than a threshold value, either of the first and second timings in one period is detected as the breakage position.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: October 25, 2022
    Assignee: NEC CORPORATION
    Inventors: Yuhei Matsumoto, Takefumi Oguma, Kazunori Shinya
  • Patent number: 11474255
    Abstract: In one embodiment, example systems and methods related to a manner of optimizing LiDAR sensor placement on autonomous vehicles are provided. A range-of-interest is defined for the autonomous vehicle that includes the distances from which the autonomous vehicle is interested in collecting sensor data. The range-of-interest is segmented into multiple cubes of the same size. For each LiDAR sensor, a shape is determined based on information such as the number of lasers in each LiDAR sensor and the angle associated with each laser. An optimization problem is solved using the determined shape for each LiDAR sensor and the cubes of the range-of-interest to determine the locations to place each LiDAR sensor to maximize the number of cubes that are captured. The optimization problem may further determine the optimal pitch angle and roll angle to use for each LiDAR sensor to maximize the number of cubes that are captured.
    Type: Grant
    Filed: April 3, 2019
    Date of Patent: October 18, 2022
    Assignee: THE REGENTS OF THE UNIVERSITY OF MICHIGAN
    Inventors: Ding Zhao, Senyu Mou, Yan Chang, Wenshuo Wang
  • Patent number: 11467270
    Abstract: An imaging device testing system has a light receiver for receiving light from an imaging device under test, a light emitter for returning the light back to the imaging device under test, and first and second transceiver tables movable relative to each other. The first transceiver table has a first light redirecting module for receiving the light from the light receiver and the second transceiver table comprising a second light redirecting module for transmitting the light to the light emitter. The first and second light redirecting modules are positionable to simulate a distance travelled by the light from the light receiver, through the first and second light redirecting modules and a gap between the first and second light redirecting modules, to the light emitter.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 11, 2022
    Assignee: ASMPT SINGAPORE PTE. LTD.
    Inventors: Lian Hok Tan, Malliah Ramkumar, Hong Liang Lu, Jiangwen Deng, Hei Lam Chang
  • Patent number: 11467287
    Abstract: An autonomous vehicle having a LIDAR system mounted thereon or incorporated therein is described. The LIDAR system has N channels, with each channel being a light emitter/light detector pair. A computing system identifies M channels that are to be active during a scan of the LIDAR system, wherein M is less than N. The computing system transmits a command signal to the LIDAR system, and the LIDAR system performs a scan with the M channels being active (and N-M channels being inactive). The LIDAR system constructs a point cloud based upon the scan, and the computing system controls the autonomous vehicle based upon the point cloud.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: October 11, 2022
    Assignee: GM CRUISE HOLDINGS LLC
    Inventor: Robert Vets
  • Patent number: 11460575
    Abstract: A laser diode firing circuit for a light detection and ranging (LIDAR) device that includes an inductively coupled feedback system is disclosed. The firing circuit includes a laser diode coupled in series with a transistor, such that current through the laser diode is controlled by the transistor. The laser diode is configured to emit a pulse of light in response to current flowing through the laser diode. A feedback loop is positioned to be inductively coupled to a current path of the firing circuit that includes the laser diode. As such, a change in current flowing through the laser diode induces a voltage in the feedback loop. A change in voltage across the leads of the feedback loop can be detected and the timing of the voltage change can be used to determine the time that current begins flowing through the laser diode.
    Type: Grant
    Filed: May 30, 2018
    Date of Patent: October 4, 2022
    Assignee: Waymo LLC
    Inventors: Pierre-yves Droz, Gaetan Pennecot
  • Patent number: 11460547
    Abstract: A waveguide comprises a first surface and a second surface. The first surface comprises a first plurality of grating structures. The first surface other than the first plurality of grating structures comprises a first reflective layer. The second surface comprises a second reflective layer. The waveguide is configured to guide an in-coupled light beam to undergo reflections between the first reflective layer and the second reflective layer. The first plurality of grating structures are configured to disrupt the reflections to cause at least a portion of the in-coupled light beam to couple out of the waveguide and project from the first surface, the portion of the in-coupled light beam coupled out of the waveguide forming out-coupled light beams.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: October 4, 2022
    Assignee: Shenzhen Guangjian Technology Co., Ltd.
    Inventor: Fanglu Lyu
  • Patent number: 11448729
    Abstract: In a light deflection device and a lidar device, a parallel operation can be realized with a simple constitution, so as to avoid enlargement or complication of a system. The reflection angle of the light deflection device depends on a wavelength and a refractive index, so that light beams with respective wavelengths different from each other are simultaneously and parallelly deflected in directions of deflection angles each defined by the wavelength and the refractive index. The light beams with the plural wavelengths different from each other are deflected at the different deflection angles each defined by each wavelength and the refractive index, so that they can be deflected simultaneously and parallelly. The plural deflected light beams can be distinguished from each other based on the difference in the wavelength and the deflection angle of the light, even in the simultaneous and parallel operation.
    Type: Grant
    Filed: June 28, 2017
    Date of Patent: September 20, 2022
    Assignees: NATIONAL UNIVERSITY CORPORATION YOKOHAMA NATIONAL UNIVERSITY, TOKYO INSTITUTE OF TECHNOLOGY
    Inventors: Toshihiko Baba, Nobuhiko Nishiyama
  • Patent number: 11448734
    Abstract: A lidar system that includes a laser source and transmits laser pulses produced by the laser source toward range points in a field of view via a mirror that scans through a plurality of scan angles can use (1) a laser energy model to model the available energy in the laser source over time and (2) a mirror motion model to model motion of the mirror over time. Time slots for transmitting the targeted laser pulses can be identified using the mirror motion model, and a schedule for these pulses can be determined using energies predicted for the pulses at these time slots according to the laser energy model. Linking the model of mirror motion with the model of laser energy provides highly precise granularity when scheduling laser pulses targeted at specific range points in the field of view.
    Type: Grant
    Filed: September 23, 2021
    Date of Patent: September 20, 2022
    Assignee: AEYE, Inc.
    Inventors: Philippe Feru, Luis Dussan, Joel Benscoter, Alex Liang, Igor Polishchuk, Allan Steinhardt
  • Patent number: 11448733
    Abstract: A measuring apparatus for the three-dimensional geometric acquisition of surroundings by means of a rotating transceiver platform and a multiplicity of transmission channels for emitting pulsed distance measurement beams, wherein in each case a different elevation with respect to a reference plane orthogonal to the rotation axis is scannable with each of the transmission channels. Furthermore, the measuring apparatus comprises a receiving unit having a sensor arrangement of semiconductor photomultiplier sensors, wherein the number of sensors is less than the number of transmission channels, and the transmitting unit and the receiving unit are configured such that at least two of the transmission channels are assigned to a common sensor, which is configured for generating distance measurement data with respect to the at least two transmission channels.
    Type: Grant
    Filed: October 2, 2019
    Date of Patent: September 20, 2022
    Assignee: HEXAGON TECHNOLOGY CENTER GMBH
    Inventors: Rainer Wohlgenannt, Jürg Hinderling
  • Patent number: 11442075
    Abstract: The present disclosure relates to a ballistic projectile velocity measurement apparatus that senses and records the times in which a projectile travels through two vertical planes represented by two sensor gates which are spaced horizontally from each other. The sensor gates each utilize an LED laser that emits a laser light through a diffuser along a diffusion angle into a plurality of laser light sensors to create a wall of laser light, and the sensor gates register a break in the wall of light when a ballistic projectile obstructs the light received by at least one laser light sensor. The ballistics apparatus then determines the velocity of the projectile based on the distance between the two gates and difference in time between the two plane-breaking events.
    Type: Grant
    Filed: January 23, 2020
    Date of Patent: September 13, 2022
    Inventor: Charles Hardy
  • Patent number: 11433856
    Abstract: A lidar sensor may include: a transmitter configured to transmit laser; a receiver configured to receive reflected laser; a mirror rotating unit configured to rotate a mirror in a designated direction, the mirror serving to reflect the transmitted or received laser; a cleaning device driving unit configured to drive a cleaning device to remove foreign matters adhering to the cover of the lidar sensor; a signal processing unit configured to determine when or where the lidar sensor is covered and calculate a distance to an object; and a control unit configured to control the transmitter not to transmit a laser signal or control a rotational velocity or rotation time of the mirror at a point of time that the lidar sensor is covered by the cleaning device, and control detection or utilization of the received signal when the distance to the object is calculated.
    Type: Grant
    Filed: June 25, 2021
    Date of Patent: September 6, 2022
    Assignee: Hyundai Mobis Co., Ltd.
    Inventors: Young Shin Kim, Won Gyum Kim, Kyung Rin Kim, Sung Eun Jo
  • Patent number: 11428818
    Abstract: An operating mode of a laser scanner is selected from a plurality of operating modes in dependence on a driving state of a vehicle.
    Type: Grant
    Filed: September 11, 2017
    Date of Patent: August 30, 2022
    Assignee: Blickfeld GmbH
    Inventor: Florian Petit
  • Patent number: 11422236
    Abstract: Optical systems and methods for collecting distance information are disclosed. An example optical system includes a first transmitting optic, a plurality of illumination sources, a pixel array comprising at least a first column of pixels and a second column of pixels, each pixel in the first column of pixels being offset from an adjacent pixel in the first column of pixels by a first pixel pitch, the second column of pixels being horizontally offset from the first column of pixels by the first pixel pitch, the second column of pixels being vertically offset from the first column of pixels by a first vertical pitch; and a set of input channels interposed between the first transmitting optic and the pixel array.
    Type: Grant
    Filed: December 15, 2021
    Date of Patent: August 23, 2022
    Assignee: Ouster, Inc.
    Inventors: Angus Pacala, Mark Frichtl, Marvin Shu, Eric Younge
  • Patent number: 11422233
    Abstract: An assembly includes a housing arranged to house a sensor. The assembly includes a ring-shaped first shield supported by the housing. The assembly includes a second shield supported by the housing above the first shield and defining an outer perimeter greater than an inner perimeter, and less than an outer perimeter, of the first shield.
    Type: Grant
    Filed: October 16, 2018
    Date of Patent: August 23, 2022
    Assignees: Ford Global Technologies, LLC, Argo AI, LLC
    Inventors: Dustin Yautz, Kenneth Jackson, Srinivasa Damaraju, Ahmad Soufan
  • Patent number: 11415700
    Abstract: A number of etalons together are used to extract the velocity, density and temperature of a scattering medium, such as the atmosphere. An optical air data sensor system incorporates the structure and operation for outputting laser light at a volume of air so as to be scattered by molecules and aerosols in the air volume being scanned; receiving the scattered laser light via a collecting optics assembly; splitting the received scattered laser light from the input optical fiber into a plurality of scattered light emissions; collimating each of the plurality of scattered light emissions; inputting the plurality of collimated light emissions into corresponding ones of a plurality of Fabry-Perot etalons; and imaging each of the plurality of collimated light emissions from the plurality of Fabry-Perot onto corresponding ones of a plurality of non-imaging detectors.
    Type: Grant
    Filed: February 9, 2017
    Date of Patent: August 16, 2022
    Assignee: MICHIGAN AEROSPACE CORPORATION
    Inventors: Dominique Fourguette, David Zuk
  • Patent number: 11402476
    Abstract: A light detection and ranging system modulates laser light pulses with a channel signature to encode transmitted pulses with channel information. The modulated laser light pulses may be scanned into a field of view. Received reflections not modulated with the same channel signature are rejected. Multiple light pulses of different wavelengths may be similarly or differently modulated.
    Type: Grant
    Filed: March 20, 2019
    Date of Patent: August 2, 2022
    Assignee: Microvision, Inc.
    Inventors: Jonathan A. Morarity, Christopher Brian Adkins
  • Patent number: 11400877
    Abstract: A collision mitigation system makes use of ladar sensors to identify obstacles and to predict unavoidable collisions therewith, and a duplex radio link in communication with secondary vehicles, and a number of external airbags deployable under the control of an airbag control unit, to reduce the forces of impact on the host vehicle, secondary vehicles, and bipeds and quadrupeds wandering into the roadway. A suspension modification system makes use of ladar sensors to identify road hazards, and make adaptations to a number of active suspension components, each with the ability to absorb shock, elevate or lower the vehicle, and adjust the spring rate of the individual wheel suspensions.
    Type: Grant
    Filed: September 14, 2020
    Date of Patent: August 2, 2022
    Assignee: Continental Autonomous Mobility US, LLC
    Inventors: Roger Stettner, Patrick Gilliland, Barton Goldstein, Andrew Duerner
  • Patent number: 11397250
    Abstract: Disclosed is a distance measurement device including a control section. The control section executes control so that an operating voltage for operating a light-receiving section is applied to the light-receiving section at a second time point. The second time point is later than a first time point by a predetermined time. The first time point is a time point at which a light-emitting section operates.
    Type: Grant
    Filed: April 10, 2017
    Date of Patent: July 26, 2022
    Assignee: Sony Corporation
    Inventor: Toyoharu Oohata
  • Patent number: 11397070
    Abstract: Disclosed are methods, circuits, components, apparatus, devices, assemblies and systems for imaging. According to some embodiments, there may be provided a sight for a firearm to assist in aiming the firearm towards a target in a field of view of the sight. A target view optical assembly introduces additional light information to light passing from an objective-side aperture to a viewing-side aperture. A display array assembly renders and collimates the additional light information coupled into the passing light. And a controller causes a display array of the display array assembly to dynamically render a targeting reticle, wherein a location of the dynamically rendered targeting reticle on the display is a function of a distance to an intended target.
    Type: Grant
    Filed: January 23, 2021
    Date of Patent: July 26, 2022
    Assignee: OPTITASK LTD
    Inventors: Michael Ben Oren, Ran Ben Oren
  • Patent number: 11397248
    Abstract: Provided is a sensing system that performs set control with high sensing accuracy. The sensing system that outputs an object signal includes a solid-state imaging device that senses a first physical target from an object and a second physical target different from the first physical target, and an arithmetic operation unit that calculates an object signal using a first signal from the first physical target and a second signal from the second physical target. The arithmetic operation unit calculates an object signal using a reference signal from a device mounted with the sensing system.
    Type: Grant
    Filed: November 9, 2016
    Date of Patent: July 26, 2022
    Assignee: NUVOTON TECHNOLOGY CORPORATION JAPAN
    Inventors: Junji Ito, Kazunari Takahashi, Kouji Shimomura, Susumu Fukushima
  • Patent number: 11391574
    Abstract: A system includes a Lidar sensor and a processor. The processor is programmed to detect, using Lidar sensor data, a low-density area comprising a plurality of Lidar beam reflections less than a threshold, to determine dimensions of the area, and to determine that the area represents a physical object based on the detection and determination.
    Type: Grant
    Filed: January 18, 2019
    Date of Patent: July 19, 2022
    Assignee: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Mostafa Parchami, Codrin Cionca, Juan Enrique Castorena Martinez
  • Patent number: 11385461
    Abstract: A head-up display that comprises a light source, a display element, at least one mirror, a photodiode and a mirror element. The at least one mirror has a mirror surface that has a hole in at least one location, and the photodiode is arranged in the beam path of the light that passes through the hole.
    Type: Grant
    Filed: December 6, 2019
    Date of Patent: July 12, 2022
    Inventors: Nico Plagens, Dirk Brömme-Jártimová, Bertram Eschenbach, Daniel Krüger
  • Patent number: 11381785
    Abstract: Systems and methods for automatically capturing visual data of a seed placed by a seed planting machine (e.g., a crop row planter). An electronic controller is configured to receive a signal indicative of a seed being dispensed by the seed planting machine and to trigger a camera to capture an image of the dispensed seed in response to a determination, based on the signal, that the seed has been dispensed by the seed planting machine. In some implementations, the system includes a seed sensor configured to detect a seed moving through a seed tube that dispensed seeds from the seed planting machine. In other implementations, the system is configured to detect a new seed being dispensed by the seed planting machine by analyzing image data captured by a camera.
    Type: Grant
    Filed: February 20, 2019
    Date of Patent: July 5, 2022
    Assignee: DEERE & COMPANY
    Inventor: Matthew Mentzer
  • Patent number: 11370227
    Abstract: An example laser assembly for a laser printer may include a plurality of lasers to emit respective photons; a prism to redirect the respective laser beams emitted from the plurality of lasers toward a collimator lens of the laser printer to generate a photon beam; and one or more processors to: determine a timing schedule for individually activating the plurality of lasers based on a resolution setting of the laser printer, and when printing at a resolution corresponding to the resolution setting, control activation of each of the plurality of lasers to emit the respective photons according to the timing schedule to form the photon beam.
    Type: Grant
    Filed: October 16, 2019
    Date of Patent: June 28, 2022
    Assignee: Capital One Services, LLC
    Inventor: David Kelly Wurmfeld
  • Patent number: 11360213
    Abstract: The chip includes multiple component assemblies that are each configured to generate and steer a direction of a LIDAR output signal that exits from the chip. The LIDAR output signals generated by different components assemblies have different wavelengths.
    Type: Grant
    Filed: January 25, 2019
    Date of Patent: June 14, 2022
    Assignee: SiLC Technologies, Inc.
    Inventors: Mehdi Asghari, Dazeng Feng, Bradley Jonathan Luff
  • Patent number: 11361122
    Abstract: Methods and apparatus for verifying respective positions of Nodes based upon ultrawideband wireless communications between nodes included in an array. Values for variables derived from multiple wireless transmissions between the nodes are aggregated, and a position of a particular node may be determined based upon multiple data sets generated by multiple communications of disparate Nodes. Data is transmitted to a smart device based upon a position of a particular node and a direction of interest. In addition, the presence of an obstacle to wireless communication between some nodes may be derived from the data sets. A user interface may provide a pictorial view of positions of all or some Nodes in an array, as well as a perceived obstruction.
    Type: Grant
    Filed: August 24, 2021
    Date of Patent: June 14, 2022
    Assignee: Middle Chart, LLC
    Inventors: Michael Wodrich, Michael S. Santarone, Randall Pugh, Jason E. Duff
  • Patent number: 11353586
    Abstract: A light wave distance meter according to the present invention includes: a light-emitting element that emits a distance measurement light; a light-receiving element that outputs a light-receiving signal; a frequency conversion unit that includes a bandpass filter; an arithmetic control unit that computes a distance value to a measurement object; a signal generator that generates a signal having a predetermined frequency; a waveform conversion unit that generates a waveform conversion signal; pulse generators that generate pulse signals by pulsating the signal having a predetermined frequency so as to have a waveform profile of a signal constituted of desired frequency components on the basis of the signal output from the signal generator and the waveform conversion signal output from the waveform conversion unit; and a drive unit that emits the distance measurement light based on the pulse signals.
    Type: Grant
    Filed: March 25, 2020
    Date of Patent: June 7, 2022
    Assignee: Topcon Corporation
    Inventor: Naoki Shoji
  • Patent number: 11346950
    Abstract: A system, device and method of generating high resolution and high accuracy point cloud. In one aspect, a computer vision system receives a camera point cloud from a camera system and a LiDAR point cloud from a LiDAR system. An error of the camera point cloud is determined using the LiDAR point cloud as a reference. A correction function is determined based on the determined error. A corrected point cloud is generated from the camera point cloud using the correction function. A training error of the corrected point cloud is determined using the first LiDAR point cloud as a reference. The correction function is updated based on the determined training error. When training is completed, the correction function can be used by the computer vision system to generate a generating high resolution and high accuracy point cloud from the camera point cloud provided by the camera system.
    Type: Grant
    Filed: November 19, 2018
    Date of Patent: May 31, 2022
    Assignee: Huawei Technologies Co., Ltd.
    Inventors: Elmira Amirloo Abolfathi, Keyvan Golestan Irani
  • Patent number: 11340068
    Abstract: Provided is a scanning range setting method using a surveying instrument configured to measure a distance to a measurement point by using a distance measuring light and measure an angle to the measurement point, and a scanner configured to scan with a scanning light around a rotation axis to acquire three-dimensional point group data. The method includes steps of: (A) measuring a distance to one or more measurement points by the surveying instrument, (B) storing coordinates and angles of the measurement points, (C) automatically setting an area including all of the measurement points as a scanning range by the scanner, and (D) scanning the scanning range by the scanner, wherein a coordinate system of the scanner and a coordinate system of the surveying instrument match each other.
    Type: Grant
    Filed: September 6, 2018
    Date of Patent: May 24, 2022
    Assignee: TOPCON CORPORATION
    Inventor: Tetsutaro Koji
  • Patent number: 11333741
    Abstract: An optical system is described, in particular for a LIDAR device, encompassing a lens and an objective for deflecting beams out of a scanning area or into the scanning area, the lens being designed as a lens array and the objective being situated in the beam path between the scanning area and the lens, the optical system encompassing at least one optical element situated ahead of the lens in the radiation direction or connected to the lens for adjusting an incidence direction of the radiation onto the lens array. Moreover, a LIDAR device is described.
    Type: Grant
    Filed: September 13, 2019
    Date of Patent: May 17, 2022
    Assignee: Robert Bosch GmbH
    Inventors: Christian Rembe, Juergen Hasselbach
  • Patent number: 11333765
    Abstract: Provided is a distance measuring method and device for selecting an optimum peak detection signal from among a plurality of peak detection signals, based on a level of at least one of a plurality of amplified electrical signals, and measuring a distance to an object by using the selected optimum peak detection signal.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: May 17, 2022
    Assignee: SAMSUNG ELECTRONICS CO., LTD.
    Inventors: Tatsuhiro Otsuka, Jungwoo Kim, Heesun Yoon
  • Patent number: 11333742
    Abstract: The present invention discloses a laser range finder for two-color switching display, comprising a monocular telescope, a laser light emitting system, a laser receiver and an OLED liquid crystal display (LCD) imaging system, wherein the monocular telescope comprises an objective lens, a roof half penta prism, a cemented prism, an eyepiece and an LCD unit; laser light emitted by the laser light emitting system is emitted onto an object to be measured, and the reflected back laser light is received by the laser receiver after passing through the objective lens, the roof half penta prism and the cemented prism; and light emitted by the OLED LCD imaging system is imaged on the focal plane of the eyepiece through the cemented prism. The present invention can achieve two-color display of the laser range finder, meeting the requirements for use in a variety of conditions.
    Type: Grant
    Filed: January 9, 2020
    Date of Patent: May 17, 2022
    Inventors: Xiangwei Qian, Chongqiu Liu, Yiqun Fan
  • Patent number: 11333496
    Abstract: A surveying instrument comprises a monopod installed on a reference point, a surveying instrument main body provided at a known distance from a lower end of the monopod and at a known angle with respect to an axis of the monopod and having a reference optical axis, wherein the surveying instrument main body performs an image pickup of an object to be measured and scans the object to be measured by a closed loop scan pattern respectively at a pre-rotation and a post-rotation of the surveying instrument main body, obtains cross points of a locus of a scan pattern of the pre-rotation and the post-rotation, obtains deflection angles of the cross point with respect to the reference optical axis of the pre-rotation and the post-rotation, and calculates a rotation angle of the surveying instrument main body based on a deviation between both of the deflection angles.
    Type: Grant
    Filed: April 30, 2019
    Date of Patent: May 17, 2022
    Assignee: TOPCON Corporation
    Inventors: Fumio Ohtomo, Kaoru Kumagai, Tetsuji Anai
  • Patent number: 11335021
    Abstract: A system and method for estimating dimensions of an approximately cuboidal object from a 3D image of the object acquired by an image sensor of the vision system processor is provided. An identification module, associated with the vision system processor, automatically identifies a 3D region in the 3D image that contains the cuboidal object. A selection module, associated with the vision system processor, automatically selects 3D image data from the 3D image that corresponds to approximate faces or boundaries of the cuboidal object. An analysis module statistically analyzes, and generates statistics for, the selected 3D image data that correspond to approximate cuboidal object faces or boundaries. A refinement module chooses statistics that correspond to improved cuboidal dimensions from among cuboidal object length, width and height. The improved cuboidal dimensions are provided as dimensions for the object. A user interface displays a plurality of interface screens for setup and runtime operation.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: May 17, 2022
    Assignee: Cognex Corporation
    Inventors: Nitin M. Vaidya, Hongwei Zhu, Daniel Moreno, Ben R. Carey, Nickolas J. Mullan, Gilbert Chiang, Yukang Liu, David J. Michael
  • Patent number: 11333746
    Abstract: The present disclosure relates to systems and methods that facilitate light detection and ranging operations. An example transmit block includes at least one substrate with a plurality of angled facets. The plurality of angled facets provides a corresponding plurality of elevation angles. A set of angle differences between adjacent elevation angles includes at least two different angle difference values. A plurality of light-emitter devices is configured to emit light into an environment along the plurality of elevation angles toward respective target locations so as to provide a desired resolution and/or a respective elevation angle. The present disclosure also relates to adjusting shot power and a shot schedule based on the desired resolution and/or a respective elevation angle.
    Type: Grant
    Filed: March 23, 2020
    Date of Patent: May 17, 2022
    Assignee: Waymo LLC
    Inventors: Benjamin Ingram, Pierre-Yves Droz, Luke Wachter, Scott McCloskey, Blaise Gassend, Gaetan Pennecot
  • Patent number: 11333762
    Abstract: Among other things, a method includes receiving first LiDAR point cloud information from a first LiDAR device and second LiDAR point cloud information from a second LiDAR device, generating third point cloud information according to merging the first and second LiDAR point cloud information, and operating the vehicle based upon the third LiDAR point cloud information.
    Type: Grant
    Filed: January 31, 2020
    Date of Patent: May 17, 2022
    Assignee: Motional AD LLC
    Inventors: Maurilio Di Cicco, Karan Rajendra Shetti
  • Patent number: 11327506
    Abstract: A system and method for monitoring a road segment includes determining a geographic position of a vehicle in context of a digitized roadway map. A perceived point cloud and a mapped point cloud associated with the road segment are determined. An error vector is determined based upon a transformation between the mapped point cloud and the perceived point cloud. A first confidence interval is derived from a Gaussian process that is composed from past observations. A second confidence interval associated with a longitudinal dimension and a third confidence interval associated with a lateral dimension are determined based upon the mapped point cloud and the perceived point cloud. A Kalman filter analysis is executed to dynamically determine a position of the vehicle relative to the roadway map based upon the error vector, the first confidence interval, the second confidence interval, and the third confidence interval.
    Type: Grant
    Filed: November 20, 2019
    Date of Patent: May 10, 2022
    Assignee: GM Global Technology Operations LLC
    Inventors: Lawrence A. Bush, Brent N. Bacchus, James P. Neville, Upali P. Mudalige