Optical Communication Over Freee Space Patents (Class 398/118)
  • Patent number: 11563489
    Abstract: A communication system includes: a plurality of cameras that generate image data by capturing images; a server that stores the image data generated by each of the plurality of cameras; and a plurality of transmission devices in one-to-one correspondence with the plurality of cameras. Each of the plurality of transmission devices transmits light, including, as a visible light communication signal, information related to communication for accessing a storage location at which the image data generated by a corresponding one of the plurality of cameras is stored in the server.
    Type: Grant
    Filed: November 10, 2021
    Date of Patent: January 24, 2023
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Yutaka Murakami, Nobuhiko Hashida
  • Patent number: 11558286
    Abstract: A first network device in a high-availability cluster may configure a first wireless channel for a wireless control link. The first network device may establish, using the first wireless channel, the wireless control link with a second network device in the high-availability cluster. The first network device may configure a second wireless channel for a wireless fabric link. The first network device may establish, using the second wireless channel, the wireless fabric link with the second network device.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: January 17, 2023
    Assignee: Juniper Networks, Inc.
    Inventors: Ashok Babu Vastholil, Vinayaraju B, Sasikumar Sekar
  • Patent number: 11546655
    Abstract: In accordance with increasing communication demand, means for efficiently providing mass downstream communication at a low cost are desired. Accordingly, a communication system providing supplemental downlink as well as multicast communication comprising a display control device for causing a display unit to display a video, and a communication terminal having an image capturing unit for directly capturing the video displayed by the display unit or capturing a video projected or reflected on a wall surface or the like is provided, wherein the display control device includes a video acquiring unit, a region identification unit, a video generating unit, and a display control unit, and the communication terminal includes a region identification unit, a decoding unit, and a mechanism for communicating a control signal for supplemental downlink by the above-described optical communication using means other than optical communication (means such as WiFi, mobile data communication or the like).
    Type: Grant
    Filed: July 29, 2020
    Date of Patent: January 3, 2023
    Assignee: SoftBank Corp.
    Inventors: Takashi Tsutsui, Ayumu Yabuki
  • Patent number: 11539433
    Abstract: Disclosed herein are methods, devices, and systems for providing timing and bandwidth management of ultra-wideband, wireless data channels (including radio frequency and wireless optical data channels). According to one embodiment, a hub apparatus is disclosed for providing out-of-band bandwidth management for a free-space-optical (FSO) data channel associated with a first device. The hub apparatus includes a processor, a memory coupled with the processor, an FSO transmitter coupled with the processor, and an FSO receiver coupled with the processor. The FSO transmitter may be configured to transmit a control signal comprising timing information and bandwidth management information.
    Type: Grant
    Filed: February 22, 2021
    Date of Patent: December 27, 2022
    Assignee: LUMEOVA, INC.
    Inventors: William Joseph Croughwell, III, Mohammad Ali Khatibzadeh, Morteza Abbasi
  • Patent number: 11533108
    Abstract: An optical wireless communication system comprises: a first device comprising a transceiver apparatus; and a plurality of further devices each comprising respective further transceiver apparatus, wherein the first device is configured to communicate via at least one optical channel with the plurality of further devices, and the transceiver apparatus of the first device comprising: a receiver for receiving light (optionally of a first wavelength or range of wavelengths) representing optical wireless communication signals transmitted by the further devices, the receiver comprising at least one photodetector; receiver-side processing circuitry for processing optical wireless communication signals received by the receiver to extract data represented by the received optical wireless communication signals; a transmitter for transmitting further light (optionally of a second wavelength or range of wavelengths)s representing optical wireless communication signals; transmitter-side processing circuitry for producing o
    Type: Grant
    Filed: October 11, 2019
    Date of Patent: December 20, 2022
    Assignee: PURELIFI LIMITED
    Inventors: Stephan Berner, Nikola Serafimovski, Mostafa Zaman Afgani
  • Patent number: 11524795
    Abstract: Systems and methods for an aircraft lighting system (ALS) are provided. The method includes co-locating a central light source subsystem including a blue light generator, red light generator, and green light generator, and a light generating control unit (LGCU) comprising a processor, and distributing a plurality of passive light-heads around an external surface of the aircraft. Each passive light-head of the plurality of passive light-heads is operationally coupled to a first side of a respective light switch of a respective plurality of light switches, the light switch being coupled on a second side to a light emitting output of the central light source subsystem. Controlling and actuating the light generators and the light switches in accordance with a load profile is performed by a light generating control unit (LGCU).
    Type: Grant
    Filed: November 10, 2020
    Date of Patent: December 13, 2022
    Assignee: HONEYWELL INTERNATIONAL INC.
    Inventors: Sunit Kumar Saxena, Anita Sure, Gowtham Vankayala
  • Patent number: 11522732
    Abstract: Lighting control systems may be commissioned for programming and/or control with the aid of a mobile device. Design software may be used to create a floor plan of how the lighting control system may be designed. The design software may generate floor plan identifiers for each lighting fixture, or group of lighting fixtures. During commissioning of the lighting control system, the mobile device may be used to help identify the lighting devices that have been installed in the physical space. The mobile device may receive a communication from each lighting control device that indicates a unique identifier of the lighting control device. The unique identifier may be communicated by visible light communication (VLC) or RF communication. The unique identifier may be associated with the floor plan identifier for communication of digital messages to lighting fixtures installed in the locations indicated in the floor plan identifier.
    Type: Grant
    Filed: August 2, 2019
    Date of Patent: December 6, 2022
    Assignee: Lutron Technology Company LLC
    Inventors: Johnathan Jessen, Duheng Liang
  • Patent number: 11522611
    Abstract: A distributed antenna system comprises a first access unit and a remote unit, wherein the first access unit and the remote unit are coupled via an analog optical fiber, and the first access unit comprises: a first port configured to receive a first downlink analog radio frequency signal; a first analog-to-digital conversion unit configured to perform analog-to-digital conversion on the first downlink analog radio frequency signal to generate a first downlink digital signal; a first digital processing unit configured to perform digital signal processing on the first downlink digital signal to generate a second downlink digital signal; a first digital-to-analog conversion unit configured to perform digital-to-analog conversion on the second downlink digital signal to generate a second downlink analog radio frequency signal; and an analog optical module configured to perform electro-optical conversion on the second downlink analog radio frequency signal to generate a first downlink analog optical signal.
    Type: Grant
    Filed: May 21, 2022
    Date of Patent: December 6, 2022
    Assignee: PROSE Technologies Co., Ltd.
    Inventors: Rui Zhang, Haijun Min
  • Patent number: 11523008
    Abstract: According to an aspect of the present disclosure, a terminal performing Bluetooth® communication with an image processing apparatus, includes a memory and a processor in communication with the memory. The processor performs receiving a Bluetooth® packet transmitted from the image processing apparatus, displaying, on the display unit, information on the image processing apparatus as a retrieval result, based on the received packet, detecting a location direction of the image processing apparatus based on a phase of a radio wave of the received packet, and displaying, on the display unit, the detected location direction of the image processing apparatus.
    Type: Grant
    Filed: August 3, 2020
    Date of Patent: December 6, 2022
    Assignee: Canon Kabushiki Kaisha
    Inventor: Yuki Ito
  • Patent number: 11516030
    Abstract: Power management techniques in distributed communication systems in which the power available at a remote unit (RU) is measured and compared to the power requirements of the RU. Voltage and current are measured for two dummy loads at the RU and these values are used to solve for the output voltage of the power supply and the resistance of the wires. From these values, a maximum power available may be calculated and compared to power requirements of the RU.
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: November 29, 2022
    Assignee: Corning Optical Communications LLC
    Inventors: Ami Hazani, Guy Lupescu, Ofer Nisan
  • Patent number: 11509353
    Abstract: Communication systems and methods over direct current (DC) power conductors to remote subunits may include interrupt windows in a power signal on a DC power conductor for safety reasons. The timing of rising and falling edges of the interrupt window may be modified, thereby changing the duration, period, or position within a period of the interrupt window. In effect, interrupt windows within the DC power signal may be pulse width modulated to send data between a power source and one or more subunits. Pulse width modulation (PWM) of the DC power signal preserves the safety features, but allows data and/or commands to be transferred between the power source and any subunits.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: November 22, 2022
    Assignee: Corning Research & Development Corporation
    Inventor: Alexey Mestezky
  • Patent number: 11496216
    Abstract: The optical communication system includes a transmitter including a display panel which has a curved surface and is capable of emitting light, and a transmission controller which causes the display panel to emit light representing an information signal; and a receiver including an image sensor which receives the light emitted from the display panel, and a reception controller which extracts the information signal from the light received by the image sensor. The display panel may be a transparent display panel which allows background light to pass through.
    Type: Grant
    Filed: January 8, 2020
    Date of Patent: November 8, 2022
    Assignee: JOLED INC.
    Inventor: Atsushi Sasaki
  • Patent number: 11490025
    Abstract: A method includes setting an exposure time of an image sensor included in a terminal device so that, in an image obtained by capturing a subject by the image sensor, a bright line corresponding to each of a plurality of exposure lines included in the image sensor appears according to a change in luminance of the subject. The method also includes obtaining a bright line image including a plurality of bright lines, by capturing the subject that changes in luminance by the image sensor with the set exposure time. The method further includes estimating a plurality of center areas each of which is in each of the plurality of bright lines, and obtaining identification information of the subject, by demodulating data specified by a pattern of the plurality of center areas.
    Type: Grant
    Filed: September 30, 2021
    Date of Patent: November 1, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY CORPORATION OF AMERICA
    Inventors: Mitsuaki Oshima, Koji Nakanishi, Hideki Aoyama, Ikuo Fuchigami, Hidehiko Shin, Tsutomu Mukai, Yosuke Matsushita, Shigehiro Iida, Kazunori Yamada
  • Patent number: 11487009
    Abstract: An image capture control device includes a recognition unit that determines whether a peripheral situation corresponds to a predetermined situation based on image data, and a controller that controls an infrared light irradiation unit to increase a pulse number of transmission pulses to be emitted to a target, when the recognition unit determines that the peripheral situation corresponds to the predetermined situation.
    Type: Grant
    Filed: June 11, 2019
    Date of Patent: November 1, 2022
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Hiroshi Iwai, Hiroshi Iwamura, Osamu Shibata, Tomohiro Honda, Tomohito Nagata
  • Patent number: 11483071
    Abstract: An optical wireless communication device for transmitting data comprises a transmitter comprising a light source, a controller configured to control operation of the light source to produce modulated light comprising an optical wireless communication signal representative of said data, at least one proximity determining component configured to determine a proximity of an object, and a processing resource configured to determine whether the determined proximity is within a threshold distance, wherein the controller is configured to control operation of the transmitter and/or of at least one other component of the optical wireless communication device in dependence on whether the determined proximity is within the threshold distance.
    Type: Grant
    Filed: August 1, 2018
    Date of Patent: October 25, 2022
    Assignee: PURELIFI LIMITED
    Inventors: Dobroslav Tsonev, Mostafa Afgani
  • Patent number: 11476941
    Abstract: An optical wireless communication (OWC) transceiver apparatus comprises: at least one light transmitter configured to transmit light of a first wavelength or first range of wavelengths; driver circuitry configured to receive a data signal and to process the data signal to produce a driving signal to drive the at least one light transmitter such that the at least one light transmitter produces a modulated optical signal representative of said data signal; at least one photodetector configured to receive light of a second wavelength or second range of wavelengths and to produce a detection signal in response to the received light; receiver circuitry configured to receive and process the detection signal to produce a receiver signal; demodulation circuitry configured to perform a decoding and/or demodulation process in accordance with an OWC protocol thereby to extract data from the receiver signal; wherein the transceiver apparatus further comprises: a motion sensor configured to sense motion of at least one ob
    Type: Grant
    Filed: December 12, 2019
    Date of Patent: October 18, 2022
    Assignee: PURELIFI LIMITED
    Inventors: Istvan Phillipe Bernard Csajaghy, Stephan Berner
  • Patent number: 11476935
    Abstract: The present application is applied for the field of optical networking technologies, and provides an optical networking method, an optical communication device and an optical networking system, which can use natural light to realize optical networking communication between optical communication devices and can effectively prevent interference from electromagnetic signals.
    Type: Grant
    Filed: June 10, 2019
    Date of Patent: October 18, 2022
    Inventor: Wenjing Wu
  • Patent number: 11435177
    Abstract: Aspects of the present disclosure provide improved techniques for imaging a subject's retina fundus. Some aspects relate to an imaging apparatus that may be substantially binocular shaped and/or may house multiple imaging devices configured to provide multiple corresponding modes of imaging the subject's retina fundus. Some aspects relate to techniques for imaging a subject's eye using white light, fluorescence, infrared (IR), optical coherence tomography (OCT), and/or other imaging modalities that may be employed by a single imaging apparatus. Some aspects relate to improvements in white light, fluorescence, IR, OCT, and/or other imaging technologies that may be employed alone or in combination with other techniques. Some aspects relate to multi-modal imaging techniques that enable determination of a subject's health status.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: September 6, 2022
    Assignee: Tesseract Health, Inc.
    Inventors: Tyler S. Ralston, Maurizio Arienzo, Owen Kaye-Kauderer, Benjamin Rosenbluth, Jonathan M. Rothberg, Lawrence C. West, Paul E. Glenn
  • Patent number: 11422952
    Abstract: A wireless input apparatus is provided, applied to a computer host. The wireless input apparatus includes a wireless dongle and an input module. The wireless dongle is physically connected to the computer host to receive an effect command, and includes a data segmentation unit and a first transceiver unit. The data segmentation unit segments the effect command into a plurality of data segments. The first transceiver unit sequentially transmits the plurality of data segments outwards. The input module includes a second transceiver unit, a merging unit, an effect generation unit, and a control unit. The second transceiver unit is coupled to the first transceiver unit to sequentially receive the plurality of data segments. The merging unit merges the plurality of data segments into the effect command. The control unit receives the effect command, and controls the effect generation unit to generate an effect according to the effect command.
    Type: Grant
    Filed: May 28, 2021
    Date of Patent: August 23, 2022
    Assignee: ASUSTEK COMPUTER INC.
    Inventors: Shih-Hung Chou, Chih-Yuan Lin, Kuo-En Lin, Xin-Han Cai, I-Ting Hsieh
  • Patent number: 11418256
    Abstract: An optical communication system includes a transmitter and at least one receiver employing a feature of an outdoor environment, or includes a transmitter and a receiver in each of multiple transceivers employing a respective or shared feature of the outdoor environment. The transmitter includes a laser emitting a beam of laser pulses having a wavelength. The transmitter encodes data into the laser pulses in the beam, and transmits the beam of laser pulses through free space of the outdoor environment and then onto a feature of the outdoor environment. Each receiver includes a line filter blocking light not having the wavelength. The receiver decodes data from the light that passes through the line filter and includes a diffusion of the beam from the feature.
    Type: Grant
    Filed: May 12, 2021
    Date of Patent: August 16, 2022
    Assignee: United States of America as represented by the Secretary of the Navy
    Inventors: Samuel Nicholas Mellon, Robert Alexander Younts, Robert R. Regal
  • Patent number: 11397661
    Abstract: A system and method for monitoring an offline state of an electronic device includes a dock and the electronic device. The dock includes a connection pin. The electronic device includes a connection port and an embedded controller, wherein a GPIO pin of the embedded controller is coupled to the connection port, the connection port is coupled to the connection pin, and the GPIO pin detects whether the connection port is in a first or second potential state. The connection port is in the first potential state in an online state, and is in the second potential state in an offline state. The embedded controller counts the number of signal transmissions by a second frequency, until the embedded controller detects that the connection port is in the online state. The embedded controller calculates an interrupt period according to the number of signal transmissions and the second frequency.
    Type: Grant
    Filed: August 18, 2021
    Date of Patent: July 26, 2022
    Assignee: GETAC TECHNOLOGY CORPORATION
    Inventor: Chia-Chang Chiu
  • Patent number: 11398867
    Abstract: The present disclosure relates to a lighting and detecting module, which includes: a light source assembly configured to emit lighting light and detecting light; a light transmission component having one end connected to the light source assembly for transmitting the lighting light and the detecting light; a lighting assembly connected to the other end of the light transmission component for receiving the lighting light transmitted by the light transmission component to provide lighting; a light detection and ranging assembly connected to the other end of the light transmission component, for emitting the detecting light transmitted by the light transmission component outward, so as to detect position parameters of a surrounding object.
    Type: Grant
    Filed: January 19, 2020
    Date of Patent: July 26, 2022
    Assignee: HASCO VISION TECHNOLOGY CO., LTD.
    Inventors: Bin Ge, Tao Zhang, Minghua Zhu, Tianzhong Guo
  • Patent number: 11386403
    Abstract: According to one embodiment, a maintenance management system includes a mobile terminal of a maintenance staff, and a maintenance target device to be maintained by the maintenance staff. The maintenance target device includes detection means, comparison means, and transmission means. The detection means detects a maintenance work of the maintenance staff. The comparison means compares a first log which is a log of a correct maintenance work in each process of a maintenance content with a second log which is a log of the maintenance work detected by the detection means. The transmission means transmits a comparison result obtained by the comparison of the comparison means. The mobile terminal includes reception means and display control means. The reception means receives the comparison result. The display control means causes the maintenance work of the process to be displayed based on the comparison result received by the reception means.
    Type: Grant
    Filed: October 23, 2020
    Date of Patent: July 12, 2022
    Assignee: TOSHIBA TEC KABUSHIKI KAISHA
    Inventor: Koudai Yamashita
  • Patent number: 11368225
    Abstract: A satellite relay communication system includes a central terminal. The central terminal includes a passive optical router and a multiplexer. The satellite relay communication system also includes remote terminals, each remote terminal including an optical transceiver configured to send optical signals to the passive optical router, configured to receive optical signals from the passive optical router, and configured to multiplex optical signals received from the passive optical router.
    Type: Grant
    Filed: March 17, 2020
    Date of Patent: June 21, 2022
    Assignee: GENERAL ELECTRIC COMPANY
    Inventor: Glen Peter Koste
  • Patent number: 11323177
    Abstract: Various embodiments provide a method for free space optical communication performance prediction method. The method includes: in a training stage, collecting a large number of data representing FSOC performance from external data sources and through simulation in five feature categories; dividing the collected data into training datasets and testing datasets to train a prediction model based on a deep neural network (DNN); evaluating a prediction error by a loss function and adjusting weights and biases of hidden layers of the DNN to minimize the prediction error; repeating training the prediction model until the prediction error is smaller than or equal to a pre-set threshold; in an application stage, receiving parameters entered by a user for an application scenario; retrieving and preparing real-time data from the external data sources for the application scenario; and generating near real-time FSOC performance prediction results based on the trained prediction model.
    Type: Grant
    Filed: September 15, 2020
    Date of Patent: May 3, 2022
    Assignee: INTELLIGENT FUSION TECHNOLOGY, INC.
    Inventors: Lun Li, Yi Li, Sixiao Wei, Dan Shen, Genshe Chen
  • Patent number: 11269400
    Abstract: A motion tracking system configured to determine a rendering of a simulation object representing a real object (1) in a real environment (5, 6, 7, 8, 9), the positioning system comprising: an imaging device (24) mounted to the real object and configured to capture a series of images of a plurality of irregularly positioned markers (30) located in the real environment; an image processing unit communicatively coupled to the imaging device for receiving the series of images; the image processing unit being configured to determine the real location of the real object by: creating a three-dimensional model of a constellation formed by the markers visible in the series of images; and mapping the patterns of markers visible in successive images captured by the imaging device to the model and thereby determining the motion of the imaging device relative to the markers; and to determine the rendering of the simulation object so that the rendering mimics the determined motion of the imaging device.
    Type: Grant
    Filed: July 27, 2018
    Date of Patent: March 8, 2022
    Assignee: Mo—Sys Engineering Limited
    Inventors: Martin Peter Parsley, Michael Paul Alexander Geissler
  • Patent number: 11268804
    Abstract: There is provided a first positioning electronic device for use in a system of positioning electronic devices. The first positioning electronic device includes a first projector for projecting a structured light pattern on a reflective surface. In addition, the first positioning electronic device includes an image sensor for detecting all or part of one or more reflected structured light patterns projected using a second projector of a second positioning electronic device. Also, the first positioning electronic device include a communications transceiver for transmitting and receiving communication signals to the second positioning electronic device. The first positioning electronic device also includes a control logic processor for determining a relative position of the positioning electronic device relative to the second positioning electronic devices using the detected reflected structured light patterns.
    Type: Grant
    Filed: March 6, 2020
    Date of Patent: March 8, 2022
    Assignee: JDRF ELECTROMAG ENGINEERING, INC.
    Inventor: Roumanos Dableh
  • Patent number: 11258787
    Abstract: A computing device determines whether or not to authorize a network request. In particular, responsive to the computing device receiving the network request from a mobile device, the computing device controls a plurality of light fixtures to each optically transmit a respective challenge code. The computing device approves or rejects the network request based respectively on whether or not a group of the challenge codes is received from the mobile device, each challenge code in the group being optically receivable at a location authorized for approving the network request.
    Type: Grant
    Filed: October 6, 2017
    Date of Patent: February 22, 2022
    Assignee: THE BOEING COMPANY
    Inventors: Melanie L. Kimsey-Lin, Kevin S. Callahan
  • Patent number: 11239921
    Abstract: In order to reduce the number of wires between blades, this blade device is provided with: a control blade for sending first information, which is at least one of control information for controlling a blade to be controlled and monitor information for monitoring the blade to be controlled, to the blade to be controlled by wireless communication; and the blade to be controlled which performs a process in accordance with the first information that has been received.
    Type: Grant
    Filed: February 18, 2019
    Date of Patent: February 1, 2022
    Assignee: NEC CORPORATION
    Inventor: Tatsuhiro Nakada
  • Patent number: 11153161
    Abstract: An Internet of Things, IoT, structure including application layers with a 3D Adaption Matrix, a server for an IoT structure, a device for an IoT application and a method for manipulating dependencies between the application layers is provided. The 3D Adaption Matrix includes adaption rules, which adaption rules are specified once and which adaption rules enable specifying dependencies between the application layers. A module of the IoT structure is configured to employ the adaption rules for an IoT application.
    Type: Grant
    Filed: May 13, 2019
    Date of Patent: October 19, 2021
    Inventors: Jan-Gregor Fischer, Thomas Hubauer, Michael Pirker
  • Patent number: 11074809
    Abstract: A communication system includes a first terminal and a second terminal including an stow part for stowing the first terminal. The first terminal includes a first light emitter that emits infrared light, a first light receiver that receives infrared light, and a first controller. The first controller causes the first light emitter to emit light based on first specifying information upon receiving a pairing request signal via the first light receiver. The second terminal includes a second stow sensor that detects stow of the first terminal, a second light emitter that emits infrared light, a second light receiver that receives infrared light, and a second controller. The second controller causes the second light emitter to emit light based on a pairing request signal in accordance with detection of stow of the first terminal by the second stow sensor and performs control corresponding to the information including the first specifying information.
    Type: Grant
    Filed: September 25, 2019
    Date of Patent: July 27, 2021
    Assignee: PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO., LTD.
    Inventors: Daiki Kurioka, Mitsuru Segawa, Yoshifumi Asao
  • Patent number: 11005565
    Abstract: Embodiments relate to a free space optical (FSO) communication terminal. The terminal includes an optical source and optics. The optical source can produce optical beams at different wavelengths. The optics direct optical beams in a direction towards a remote FSO communication terminal. A wavelength dependence of the optics results in a divergence of the optical beam that depends on a wavelength of the optical beam. A controller may control the wavelength of the optical beam produced by the optical source, thereby adjusting the divergence of the optical beam (e.g., according to an acquisition process or a tracking process).
    Type: Grant
    Filed: May 29, 2020
    Date of Patent: May 11, 2021
    Assignee: SA Photonics, Inc.
    Inventors: Greg G. Mitchell, Dmitry V. Bakin, David A. Pechner
  • Patent number: 10998584
    Abstract: A battery management apparatus is provided. The battery management apparatus receives a first address assignment message from a first neighboring battery management apparatus through a first infrared (IR) communicator, sets an address of the battery management apparatus based on the received first address assignment message, determines an address of a second neighboring battery management apparatus based on the set address, and transmits a second address assignment message including the determined address to the second neighboring battery management apparatus through a second IR communicator.
    Type: Grant
    Filed: February 13, 2020
    Date of Patent: May 4, 2021
    Assignee: Samsung Electronics Co., Ltd
    Inventors: Khomych Serhiy, Petrakivskyi Oleg, Baiev Oleksandr, Vitiuk Alina
  • Patent number: 10998971
    Abstract: A method by a coordination node is disclosed for controlling communications between visible Light Communication, VLC, Access Points, AP, and User Equipments, UEs. The method includes identifying occurrence of an event relating to operation of a first VLC AP. The method further includes determining that a second VLC AP and a third VLC AP each have communication coverage areas that are at least partially within a communication coverage area of the first VLC AP, responsive to identification of occurrence of the event. The method then controls the second and the third VLC APs responsive to the determination to avoid their interfering with communications between the first VLC AP and any UEs within common communication coverage areas of the second or the third VLC APs. Related coordination nodes are disclosed.
    Type: Grant
    Filed: June 30, 2016
    Date of Patent: May 4, 2021
    Assignee: Telefonaktiebolaget LM Ericsson (publ)
    Inventors: Nicolas Seyvet, Hongxin Liang, Keven Wang
  • Patent number: 10984302
    Abstract: Provided are an electronic shelf label, an electronic shelf label system, and an electronic shelf label method. The electronic shelf label includes a power supply unit configured to provide driving power to one or more terminals, a communication interface configured to provide a display signal to the one or more terminals, a terminal selection unit configured to select a terminal to be controlled among the one or more terminals, and a controller configured to control the terminal selection unit so as to select the terminal to be controlled and generate the display signal.
    Type: Grant
    Filed: November 3, 2017
    Date of Patent: April 20, 2021
    Assignee: ATEC AP CO., LTD.
    Inventors: Sin Young Jung, Bong Woo Kang
  • Patent number: 10951308
    Abstract: In order to reduce wire connections and achieve a wireless communication environment securing a sufficient communication band, the present invention provides a communication apparatus that includes a wireless communication means for transmitting and receiving a wireless signal, an optical communication means for transmitting and receiving spatial light as communication light, and a control means for performing signal conversion in a process for converting the wireless signal and the communication light and setting a transmission destination of the wireless signal and the communication light.
    Type: Grant
    Filed: March 17, 2017
    Date of Patent: March 16, 2021
    Assignee: NEC CORPORATION
    Inventors: Go Watanabe, Satoshi Kyosuna
  • Patent number: 10948709
    Abstract: An electrowetting optical element, having a first electrode layer stack and a second electrode layer stack. Each layer stack has an electrode for applying a voltage to the electrodes for rearranging polar liquid relative to non-polar liquid. A containment space is formed between the first and second electrode layer stack. One or more cell walls extend between the electrode stacks for defining sides of the containment space forming cells. The electrowetting optical element further includes a retroreflective layer for reflecting incident light back through the element.
    Type: Grant
    Filed: October 28, 2016
    Date of Patent: March 16, 2021
    Assignee: MIORTECH B.V.
    Inventors: Hermanus Feil, Doeke Jolt Oostra
  • Patent number: 10942119
    Abstract: A system and method are provided for receiving light that has traveled from an optical source through an atmosphere along a distance. The system includes: a receiver lens system having an aperture and being arranged to receive the light from the optical source; a beam splitter; an imaging lens; an image processing component; a photodetector system; and a refractive index structure parameter component. The photodetector system outputs data associated with averaged scintillation data of the aperture. The image processing component generates a normalized covariance curve based on a first portion of the received light. The refractive index structure parameter component generates a refractive index structure parameter, Cn2, of the atmosphere along the distance based on the data associated with averaged scintillation data of the aperture and the normalized covariance curve.
    Type: Grant
    Filed: March 9, 2018
    Date of Patent: March 9, 2021
    Assignee: United States of America as represented by the Secretary of the Navy
    Inventors: David T. Wayne, Galen D. Cauble
  • Patent number: 10924183
    Abstract: A reconfigurable free-space optical inter-rack network includes a plurality of server racks, each including at least one switch mounted on a top thereof, where each top-mounted switch includes a plurality of free-space-optic link connector, each with a free-space optical connection to a free-space-optic link connector on another top-mounted switch, a single ceiling mirror above the plurality of server racks that substantially covers the plurality of server racks, wherein the single ceiling mirror redirects optical connections between pairs of free-space-optic link connectors to provide a clear lines-of-sight between each pair of connected free-space-optic link connectors, and a controller that preconfigures a free-space optical network connecting the plurality of server racks by establishing connections between pairs of free-space-optic link connectors, and that reconfigures connections between pairs of free-space-optic link connectors in response to network traffic demands and events.
    Type: Grant
    Filed: June 15, 2018
    Date of Patent: February 16, 2021
    Assignee: THE RESEARCH FOUNDATION FOR THE STATE UNIVERSITY OF NEW YORK
    Inventors: Himanshu Gupta, Navid Hamedazimi, Samir Ranjan Das, Jon Longtin, Vyas Sekar, Max Curran
  • Patent number: 10925141
    Abstract: A lighting device control system includes plural lighting assemblies having RF modules. When the RF module of one of the lighting assemblies is switched on to send an activation signal, the RF module of an other lighting assembly received the activation signal is switched on in order to control plural lighting assemblies the same time.
    Type: Grant
    Filed: December 21, 2018
    Date of Patent: February 16, 2021
    Inventor: Yi-Wen Tang
  • Patent number: 10916020
    Abstract: The present disclosure provides a method and device for identifying a light source. The method includes as follows. M stripe sets in an image may be detected. A first energy spectrum data corresponding to each of M stripe sets may be obtained. A second energy spectrum data corresponding to each light source in a database may be obtained. The database may include K light sources, and the energy spectrum data corresponds to an identity of the light source. A correlation coefficient between the second energy spectrum data and the first energy spectrum data may be calculated to obtain M*K correlation coefficients. The identity of each stripe set corresponding to the light source in the database may be determined according to the M*K correlation coefficients. With this disclosure, the tracking of the light source emitted by a controller can be achieved.
    Type: Grant
    Filed: June 21, 2017
    Date of Patent: February 9, 2021
    Assignee: GUANGDONG VIRTUAL REALITY TECHNOLOGY CO., LTD.
    Inventors: Yongtao Hu, Jingwen Dai, Jie He
  • Patent number: 10904397
    Abstract: Techniques are described for enabling a service administrator to respond to a detected doorbell press at a property when an authorized user is unavailable to respond. In some implementations, a determination that a doorbell press has been detected at a property is made. Video data collected by a doorbell device of the property is obtained in response to determining that the doorbell press has been detected at the property. Sensor data collected by one or more sensors of a monitoring system located within the property is obtained in response to determining that the doorbell press has been detected at the property. A present security risk for the property is determined based at least on the obtained sensor data and the obtained video data. A communication session between the doorbell device and a server system associated with the monitoring system of the property is established in response to determining the present security risk for the property.
    Type: Grant
    Filed: December 16, 2019
    Date of Patent: January 26, 2021
    Assignee: Alarm.com Incorporated
    Inventor: Daniel Todd Kerzner
  • Patent number: 10887014
    Abstract: An optical transceiver for controlling a steering angle between a receive light beam and a transmit light beam includes an optical beam coupling device. The optical beam coupling device comprises a plurality of optical elements configured to control a steering angle between the receive light beam received by the optical beam coupling device along a first line of sight (LOS) and the transmit light beam that is output from the optical beam coupling device along a second LOS different from the first LOS, wherein both the receive light beam and the transmit light beam pass through the plurality of optical elements. The plurality of optical elements have a set of combinations for different positions of each of the optical elements, wherein each position in the set of combinations induces a different steering angle between the transmit light beam and the receive light beam.
    Type: Grant
    Filed: April 9, 2019
    Date of Patent: January 5, 2021
    Assignee: Facebook, Inc.
    Inventors: Kevin Michael Birnbaum, Harvard Keese Harding, Jr., Eric Douglas Miller
  • Patent number: 10812185
    Abstract: The disclosure provides for a system that includes a network controller. The network controller is configured to receive information from nodes of a network, where nodes include one node that is in motion relative to another node. The network controller is also configured to generate a table representing available nodes and possible links in the network based on the information, and determine a topology of the network based on the table. Additionally, the network controller is configured to receive client data information from a client device, and determine flows for the topology based on the client data information. Each flow includes one or more requirements for a routing path through the network. The network controller is configured to generate a network configuration for the topology based on the flows, and send instructions to the nodes of the network for implementing the network configuration and transmitting client data.
    Type: Grant
    Filed: July 3, 2019
    Date of Patent: October 20, 2020
    Assignee: Loon LLC
    Inventor: Brian Barritt
  • Patent number: 10761272
    Abstract: Aspects of the present disclosure describe large scale steerable optical switched arrays that may be fabricated on a common substrate including many thousands or more emitters that may be arranged in a curved pattern at the focal plane of a lens thereby allowing the directional control of emitted light and selective reception of reflected light suitable for use in imaging, ranging, and sensing applications including accident avoidance.
    Type: Grant
    Filed: June 28, 2019
    Date of Patent: September 1, 2020
    Assignee: Analog Photonics LLC
    Inventors: Ehsan Hosseini, Michael Watts
  • Patent number: 10742318
    Abstract: An optical wireless communication apparatus includes: a modulator for generating a reference signal including periodically repeating binary zeros and ones, receiving an input of a first binary data signal, and outputting a second binary data signal, wherein the second binary data signal has the same frequency as the reference signal, and has the same phase as the reference signal when the first binary data signal comprises binary zeros and has an opposite phase to the reference signal when the first binary data signal comprises binary ones, or has the same phase as the reference signal when the first binary data signal comprises binary ones and has an opposite phase to the reference signal when the first binary data signal comprises binary zeros, and a transmitter for turning a first light source on or off according to the reference signal, and turning a second light source on or off according to the second binary data signal.
    Type: Grant
    Filed: November 28, 2016
    Date of Patent: August 11, 2020
    Assignee: KOOKMIN UNIVERSITY INDUSTRY ACADEMY COOPERATION FOUNDATION
    Inventors: Yeong Min Jang, Van Trang Nguyen, Chang Hyun Hong
  • Patent number: 10709967
    Abstract: A method for identifying one or more light sources may include capturing, via an imaging device, an image, the imaging device having a rolling shutter. The method may also include receiving, via at least one processor, the captured image, and detecting, via the at least one processor, whether the image includes a set of alternating stripes. The method may further include measuring, via the at least one processor, if the image includes a set of alternating stripes, a width of at least one stripe of the set of alternating stripes included in the captured image, and identifying, via the at least one processor, a light source causing the set of alternating stripes based on the measured width.
    Type: Grant
    Filed: October 27, 2015
    Date of Patent: July 14, 2020
    Assignee: GUANGDONG VIRTUAL REALITY TECHNOLOGY CO., LTD.
    Inventors: Jie He, Jingwen Dai, Tao Zhu, Congling Wan
  • Patent number: 10678071
    Abstract: Systems and methods for smart contact lens data transfer using Light Fidelity (Li-Fi) are disclosed. In embodiments, a computer-implemented method, comprises: pairing a smart contact lens with a remote computing device, the smart contact lens including a data receiving device and a light transmitting device; receiving, by the smart contact lens, data from the remote computing device; and transmitting, by the light transmitting device of the smart contact lens, the data to a receiver device through Li-Fi communication between the light transmitting device of the smart contact lens and the receiving device.
    Type: Grant
    Filed: March 29, 2019
    Date of Patent: June 9, 2020
    Assignee: INTERNATIONAL BUSINESS MACHINES CORPORATION
    Inventors: Gregory J. Boss, John E. Moore, Jr., Sarbajit K. Rakshit
  • Patent number: 10666357
    Abstract: Various embodiments may relate to a light emitting diode (LED) communication device including a communication interface configured to couple with an electronic device. The LED communication device may also include an electrical interface electrically coupled to the communication interface. The LED communication device may further include a light emitting diode electrically coupled to the electrical interface. The electrical interface may be configured to convert data signals received from the electronic device into driving signals transmitted to the light emitting diode during uplink, and to convert sensing signals received from the light emitting diode into data signals transmitted to the electronic device during downlink. The light emitting diode may be configured to convert the driving signals received from the electrical interface into a plurality of light pulses during uplink, and to convert a plurality of light pulses received by the light emitting diode into the sensing signals during downlink.
    Type: Grant
    Filed: November 1, 2017
    Date of Patent: May 26, 2020
    Assignee: Agency for Science, Technology and Research
    Inventors: Ee Jin Teo, Chengyuan Yang, Jinghua Teng
  • Patent number: 10659156
    Abstract: An apparatus and method are described for facilitating communication between a telecommunications network and a user device within a building. The apparatus has a first unit for mounting adjacent an external surface of a building, and a second unit for mounting adjacent an internal surface of the building so as to be separated from the first unit via an interface structure of the building, for example a window. The first unit has an antenna system to communicate with the telecommunications network over an external wireless communications link that employs signals in a frequency range that is attenuated by the interface structure to a degree inhibiting reception of the signals by a user device within the building.
    Type: Grant
    Filed: December 20, 2018
    Date of Patent: May 19, 2020
    Assignee: AIRSPAN NETWORKS INC.
    Inventors: Kenneth Fairweather, Martin Lysejko