Patents by Inventor Xiangnan LYU

Xiangnan LYU has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 11947045
    Abstract: A controlling method for an electronic device includes: determining an orientation of a laser projector; projecting a laser in a first mode by the laser projector when the laser projector is oriented toward a first side where the display screen is located; and projecting a laser in a second mode by the laser projector when the laser projector is oriented toward a second side opposite to the display screen, and the laser projected in the second mode has a greater energy than that of the laser projected in the first mode.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: April 2, 2024
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xueyong Zhang, Xiangnan Lyu, Bin Zhao
  • Patent number: 11838434
    Abstract: A controlling method for an electronic device comprises: determining a state of a housing and a usage state of the electronic device; projecting a laser in a first mode by a laser projector when the housing is in a folded state and the electronic device is in a first usage state; projecting a laser in a second mode by the laser projector when the housing is in the folded state and the electronic device is in a second usage state; and projecting a laser in a second mode by the laser projector when the housing is in an expanded state.
    Type: Grant
    Filed: November 29, 2021
    Date of Patent: December 5, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Xiangnan Lyu
  • Patent number: 11595635
    Abstract: The present disclosure provides a communication method, and an electronic device. The method includes: obtaining, by an electronic device, a plurality of 2D images and/or a plurality of depth maps for a current scene, the plurality of 2D images and/or the plurality of depth maps being aligned in time; and transmitting, by the electronic device, the plurality of 2D images and/or the plurality of depth maps to the server by means of wireless communication.
    Type: Grant
    Filed: August 16, 2020
    Date of Patent: February 28, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jian Bai, Hai Tang, Xueyong Zhang, Xiangnan Lyu, Yang Xia, Hu Li, Ting Chen, Guohui Tan, Zhengpeng Tan, Biao Chen, Fenghua Xu
  • Patent number: 11580779
    Abstract: The present disclosure provides a verification system. The verification system is formed with a trusted execution environment, the verification system includes a processor set, and the processor set is configured to: obtain an infrared image to be verified of a target object; determine, in the trusted execution environment, whether the infrared image to be verified matches a pre-stored infrared template; in response to determining that the infrared image to be verified matches the pre-stored infrared template, obtain a depth image to be verified of the target object; and determine, in the trusted execution environment, whether the depth image to be verified matches a pre-stored depth template.
    Type: Grant
    Filed: November 13, 2019
    Date of Patent: February 14, 2023
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xueyong Zhang, Xiangnan Lyu
  • Patent number: 11522338
    Abstract: Disclosed in embodiments of the present disclosure is a system for controlling a laser projector, a laser projector assembly, a terminal, a method for controlling a laser projector, a method for controlling a laser light output, a device for controlling a laser light output and a computer readable storage medium. The system includes a first drive circuit coupled to the laser projector. The first drive circuit is configured to output an electrical signal to drive the laser projector to project laser light and to turn off the laser projector when a duration of outputting the electrical signal is greater than or equal to a preset threshold.
    Type: Grant
    Filed: November 19, 2019
    Date of Patent: December 6, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiangnan Lyu, Jian Bai, Biao Chen, Ziqing Guo, Guohui Tan, Haitao Zhou
  • Patent number: 11506963
    Abstract: The present disclosure provides a mobile terminal and a system for controlling a laser projector. The system includes a first drive circuit, a second drive circuit, a watchdog timer, a microprocessor, and an application processor. The first drive circuit is configured to output an electrical signal to the laser projector. The second drive circuit is configured to supply power to the first drive circuit. The microprocessor is configured to send a first predetermined signal to the watchdog timer. The application processor is configured to send a second predetermined signal to the watchdog timer. The watchdog timer is configured to power off the second drive circuit, in response to that the watchdog timer does not read the first predetermined signal or the second predetermined signal.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: November 22, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiangnan Lyu, Jian Bai, Biao Chen
  • Publication number: 20220171207
    Abstract: A laser projector, a depth camera, and an electronic device are disclosed. The laser projector includes a substrate, a lens barrel, a light source, and a diffraction assembly. The lens barrel is arranged on the substrate, and the lens barrel and the substrate define an accommodating chamber; and the light source is arranged on the substrate and located in the accommodating chamber, the light source includes a plurality of light-emitting units, and a divergent angle of each of the plurality of light-emitting units is smaller than 20 degrees. The diffraction assembly is mounted on the lens barrel and located on an optical path of the light source.
    Type: Application
    Filed: February 14, 2022
    Publication date: June 2, 2022
    Inventors: Xueyong Zhang, Xiangnan Lyu
  • Publication number: 20220155553
    Abstract: An imaging device (100) and an electronic device (1000). The imaging device (100) includes a housing (10) and a first lens module (20). The housing (10) includes a base plate (11) and a side plate (12). The side plate (12) is provided with a sliding groove (125). The first lens module (20) includes a casing (21) and a lens group (22). The casing (21) includes a main body (211) and a sliding block (212). The sliding block (212) is slidably disposed in the sliding groove (125). The casing (21) is configured to drive the lens group (22) to slide.
    Type: Application
    Filed: January 31, 2022
    Publication date: May 19, 2022
    Applicant: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventor: Xiangnan Lyu
  • Publication number: 20220146785
    Abstract: Provided are a lens module (10) and a control method thereof, an imaging device (70), and an electronic device (130). The lens module (10) includes a first lens group (311), a first magnetic element (321), and a plurality of first magnetoelectric sensors. A movement channel (P3) of the first lens group (311) includes a plurality of focusing sections. The first lens group (311) is movable in each of the plurality of focusing sections to perform focusing. The plurality of first magnetoelectric sensors is configured to determine a position of the first lens group (311).
    Type: Application
    Filed: January 27, 2022
    Publication date: May 12, 2022
    Inventor: Xiangnan Lyu
  • Publication number: 20220120901
    Abstract: An adjustment method includes emitting a predetermined laser with a first pulse width; receiving a reflected laser with the first pulse width to generate an infrared image; and emitting a predetermined laser with a second pulse width in response to determining that a distance to a target object being less than a safety distance based on the infrared image, the second pulse width being less than the first pulse width and the target object being of reflecting the laser with the first pulse width.
    Type: Application
    Filed: December 27, 2021
    Publication date: April 21, 2022
    Inventor: Xiangnan Lyu
  • Patent number: 11300865
    Abstract: The present disclosure provides a mobile terminal and a system for controlling a laser projector. The system includes a first drive circuit, a second drive circuit, a microprocessor coupled to the first drive circuit, and an application processor. The first drive circuit is configured to output an electrical signal to the laser projector. The second drive circuit is configured to supply power to the first drive circuit. The application processor is configured to, read a preset signal from the microprocessor, and power off the second drive circuit to power off the first drive circuit and the laser projector, or send a reset signal for restarting the microprocessor to the microprocessor, in response to that the application processor cannot read the preset signal.
    Type: Grant
    Filed: May 23, 2019
    Date of Patent: April 12, 2022
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiangnan Lyu, Jian Bai, Biao Chen
  • Publication number: 20220086268
    Abstract: A controlling method for an electronic device comprises: determining a state of a housing and a usage state of the electronic device; projecting a laser in a first mode by a laser projector when the housing is in a folded state and the electronic device is in a first usage state; projecting a laser in a second mode by the laser projector when the housing is in the folded state and the electronic device is in a second usage state; and projecting a laser in a second mode by the laser projector when the housing is in an expanded state.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventor: Xiangnan Lyu
  • Publication number: 20220082661
    Abstract: A controlling method for an electronic device includes: determining an orientation of a laser projector; projecting a laser in a first mode by the laser projector when the laser projector is oriented toward a first side where the display screen is located; and projecting a laser in a second mode by the laser projector when the laser projector is oriented toward a second side opposite to the display screen, and the laser projected in the second mode has a greater energy than that of the laser projected in the first mode.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Xueyong Zhang, Xiangnan Lyu, Bin Zhao
  • Publication number: 20220086266
    Abstract: An electronic device and a control method of the electronic device. The control method comprises: determining a use state of an electronic device; when the electronic device is in a first use state, a laser projector projecting laser light in a first mode; and when the electronic device is in a second use state, the laser projector projecting laser light in a second mode, the energy of the laser light projected in the second mode is greater than the energy of the laser light projected in the first mode.
    Type: Application
    Filed: November 29, 2021
    Publication date: March 17, 2022
    Inventors: Xueyong Zhang, Xiangnan Lyu, Bin Zhao
  • Patent number: 11210800
    Abstract: The present disclosure provides a method for generating a verification template. The verification template includes an infrared template and a depth template. The method includes: obtaining an infrared image of a target object and storing the infrared image into a trusted execution environment as the infrared template; controlling a laser projector to project laser light to the target object; obtaining a laser pattern modulated by the target object; and processing the laser pattern to obtain a depth image and storing the depth image into the trusted execution environment as the depth template.
    Type: Grant
    Filed: April 25, 2019
    Date of Patent: December 28, 2021
    Assignee: SHENZHEN HEYTAP TECHNOLOGY CORP., LTD.
    Inventors: Xueyong Zhang, Xiangnan Lyu
  • Patent number: 11183811
    Abstract: A control system (30) for a laser projector (10), a terminal (100) and a control method for the laser projector (10) are provided. The control system (30) includes a first driving circuit (31), a microprocessor (35) and an application processor (33). The first driving circuit (31) is connected with the laser projector (10). The first driving circuit (31) is configured to drive the laser projector (10) to project laser. The microprocessor (35) is connected with the first driving circuit (31). The application processor (33) is connected with the microprocessor (35). The application processor (33) is configured to send a control signal to the microprocessor (35) according to a distance between a human eye and the laser projector (10). The microprocessor (35) controls the first driving circuit (31) according to the control signal to enable the laser projector (10) to project laser according to a predetermined parameter.
    Type: Grant
    Filed: May 24, 2019
    Date of Patent: November 23, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiangnan Lyu, Jian Bai, Biao Chen
  • Patent number: 11184513
    Abstract: Embodiments of the present disclosure provide a system for controlling a camera component, the camera component is applicable for an electronic device, and the system may include a first processing unit and a target processing unit. The target processing unit is configured to control the camera component. The first processing unit is configured to determine whether the target processing unit writes data to the first processing unit in accordance with a preset time interval, and when the target processing unit does not write data to the first processing unit over the preset time interval, change an operating state of the camera component and/or control the electronic device to restart.
    Type: Grant
    Filed: January 14, 2020
    Date of Patent: November 23, 2021
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Xiangnan Lyu, Jian Bai, Biao Chen, Haitao Zhou, Ziqing Guo, Guohui Tan
  • Publication number: 20210334990
    Abstract: The present disclosure provides a method for generating a verification template. The verification template includes an infrared template and a depth template. The method includes: obtaining an infrared image of a target object and storing the infrared image into a trusted execution environment as the infrared template; controlling a laser projector to project laser light to the target object; obtaining a laser pattern modulated by the target object; and processing the laser pattern to obtain a depth image and storing the depth image into the trusted execution environment as the depth template.
    Type: Application
    Filed: April 25, 2019
    Publication date: October 28, 2021
    Inventors: Xueyong Zhang, Xiangnan Lyu
  • Publication number: 20200382763
    Abstract: The present disclosure provides a communication method, and an electronic device. The method includes: obtaining, by an electronic device, a plurality of 2D images and/or a plurality of depth maps for a current scene, the plurality of 2D images and/or the plurality of depth maps being aligned in time; and transmitting, by the electronic device, the plurality of 2D images and/or the plurality of depth maps to the server by means of wireless communication.
    Type: Application
    Filed: August 16, 2020
    Publication date: December 3, 2020
    Inventors: Jian BAI, Hai TANG, Xueyong ZHANG, Xiangnan LYU, Yang XIA, Hu LI, Ting CHEN, Guohui TAN, Zhengpeng TAN, Biao CHEN, Fenghua XU
  • Patent number: 10785468
    Abstract: The present disclosure provides a communication method, and an electronic device. The method includes: obtaining, by an electronic device, a plurality of 2D images and/or a plurality of depth maps for a current scene, the plurality of 2D images and/or the plurality of depth maps being aligned in time; and transmitting, by the electronic device, the plurality of 2D images and/or the plurality of depth maps to the server by means of wireless communication.
    Type: Grant
    Filed: May 5, 2019
    Date of Patent: September 22, 2020
    Assignee: GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP., LTD.
    Inventors: Jian Bai, Hai Tang, Xueyong Zhang, Xiangnan Lyu, Yang Xia, Hu Li, Ting Chen, Guohui Tan, Zhengpeng Tan, Biao Chen, Fenghua Xu