Patents by Inventor Sen-Huang Huang

Sen-Huang Huang 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: 12220215
    Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: February 11, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Sen-Huang Huang, Ren-Hau Gu
  • Patent number: 12215872
    Abstract: There is provided an auto detection system including a thermal detection device and a host. The host controls an indication device to indicate a prompt message or detection results according to a slope variation of voltage values or 2D distribution of temperature values detected by the thermal detection device, wherein the voltage values include the detected voltage of a single pixel or the sum of detected voltages of multiple pixels of a thermal sensor.
    Type: Grant
    Filed: July 20, 2023
    Date of Patent: February 4, 2025
    Assignee: PIXART IMAGING INC.
    Inventors: Chih-Ming Sun, Ming-Han Tsai, Chiung-Wen Lin, Po-Wei Yu, Wei-Ming Wang, Sen-Huang Huang
  • Patent number: 12171534
    Abstract: A physiological detection system including an image sensor, a converting unit, a retrieving unit and a processing unit is provided. The image sensor includes a plurality of pixels respectively configured to output a PPG signal. The converting unit is configured to convert a plurality of PPG signals of a plurality of pixels regions to a plurality of frequency domain signals. The retrieving unit is configured to respectively retrieve a spectral energy of the frequency domain signals corresponding to each of the pixel regions. The processing unit is configured to construct a 3D energy distribution according to the spectral energies.
    Type: Grant
    Filed: June 29, 2021
    Date of Patent: December 24, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Sen-Huang Huang, Ren-Hau Gu
  • Patent number: 12159427
    Abstract: An object position determining system comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and an object which generates the reflected light. The processing circuit further determines a position of the object according to the distance information.
    Type: Grant
    Filed: January 19, 2022
    Date of Patent: December 3, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Ming Shun Manson Fei, Sen-Huang Huang, Chi-Chieh Liao
  • Publication number: 20240388812
    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
    Type: Application
    Filed: July 29, 2024
    Publication date: November 21, 2024
    Inventors: SEN-HUANG HUANG, TSO-SHENG TSAI
  • Patent number: 12088941
    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
    Type: Grant
    Filed: August 8, 2023
    Date of Patent: September 10, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Sen-Huang Huang, Tso-Sheng Tsai
  • Publication number: 20240238646
    Abstract: There is provided a treadmill capable of performing the fall detection. The treadmill includes a light sensor and a processor. The light sensor acquires an image frame toward an operation space. The processor performs the occupancy detection on the image frame using face detection and human detection. Upon not detecting the operation space being occupied by any user during a running state of the treadmill, the processor deactivates the treadmill and raises a fall alarm.
    Type: Application
    Filed: May 25, 2023
    Publication date: July 18, 2024
    Inventors: Ming Shun Manson FEI, Sen-Huang HUANG, Kai-Shun CHEN, Ting-Yang CHANG, Ren-Hau GU, Yuan-Hsin LIAO
  • Publication number: 20240156405
    Abstract: A smart wearable device has a signal calibration function executed by a signal calibration method and applied to a finger, a limb and/or a neck of a user. The smart wearable device includes at least one physiological signal detector, at least one pressure detector and an operation processor. The at least one physiological signal detector is adapted to abut against a detection area of the user for detecting a physiological signal. The at least one pressure detector is disposed around the at least one physiological signal detector and adapted to detect a pressure value of the detection area. The operation processor is electrically connected with the at least one physiological signal detector and the at least one pressure detector. The operation processor is adapted to optimize the physiological signal when the pressure value exceeds a predefined pressure threshold.
    Type: Application
    Filed: January 12, 2024
    Publication date: May 16, 2024
    Applicant: PixArt Imaging Inc.
    Inventors: Yung-Chang Lin, Jian-Cheng Liao, Chun-Chih Chen, Sen-Huang Huang, Yen-Min Chang
  • Patent number: 11874174
    Abstract: A far infrared sensor package includes a package body and a plurality of far infrared sensor array integrated circuits. The plurality of far infrared sensor array integrated circuits are disposed on a same plane and inside the package body. Each of the far infrared sensor array integrated circuits includes a far infrared sensing element array of a same size.
    Type: Grant
    Filed: December 29, 2022
    Date of Patent: January 16, 2024
    Assignee: PixArt Imaging Inc.
    Inventors: Chih-Ming Sun, Sen-Huang Huang
  • Publication number: 20230403481
    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
    Type: Application
    Filed: August 8, 2023
    Publication date: December 14, 2023
    Inventors: SEN-HUANG HUANG, TSO-SHENG TSAI
  • Publication number: 20230358412
    Abstract: There is provided an auto detection system including a thermal detection device and a host. The host controls an indication device to indicate a prompt message or detection results according to a slope variation of voltage values or 2D distribution of temperature values detected by the thermal detection device, wherein the voltage values include the detected voltage of a single pixel or the sum of detected voltages of multiple pixels of a thermal sensor.
    Type: Application
    Filed: July 20, 2023
    Publication date: November 9, 2023
    Inventors: CHIH-MING SUN, MING-HAN TSAI, CHIUNG-WEN LIN, PO-WEI YU, WEI-MING WANG, SEN-HUANG HUANG
  • Patent number: 11765482
    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: September 19, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Sen-Huang Huang, Tso-Sheng Tsai
  • Patent number: 11754293
    Abstract: There is provided an auto detection system including a thermal detection device and a host. The host controls an indication device to indicate a prompt message or detection results according to a slope variation of voltage values or 2D distribution of temperature values detected by the thermal detection device, wherein the voltage values include the detected voltage of a single pixel or the sum of detected voltages of multiple pixels of a thermal sensor.
    Type: Grant
    Filed: January 26, 2022
    Date of Patent: September 12, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Chih-Ming Sun, Ming-Han Tsai, Chiung-Wen Lin, Po-Wei Yu, Wei-Ming Wang, Sen-Huang Huang
  • Publication number: 20230133741
    Abstract: A far infrared sensor package includes a package body and a plurality of far infrared sensor array integrated circuits. The plurality of far infrared sensor array integrated circuits are disposed on a same plane and inside the package body. Each of the far infrared sensor array integrated circuits includes a far infrared sensing element array of a same size.
    Type: Application
    Filed: December 29, 2022
    Publication date: May 4, 2023
    Applicant: PixArt Imaging Inc.
    Inventors: Chih-Ming Sun, Sen-Huang Huang
  • Publication number: 20230083226
    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
    Type: Application
    Filed: November 8, 2022
    Publication date: March 16, 2023
    Inventors: SEN-HUANG HUANG, TSO-SHENG TSAI
  • Publication number: 20230037645
    Abstract: An object position determining system, applied to a vehicle, comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and at least one object which generates the reflected light, and real time vehicle orientation data; wherein the processing circuit determines at least one position of the object according to the distance information and the real time vehicle orientation data.
    Type: Application
    Filed: October 5, 2022
    Publication date: February 9, 2023
    Applicant: PixArt Imaging Inc.
    Inventors: Ming Shun Manson Fei, Sen-Huang Huang
  • Publication number: 20230045075
    Abstract: An object position determining system comprising: at least one light source, configured to emit light; at least one optical sensor, configured to sense optical data generated based on reflected light of the light; and a processing circuit, configured to compute distance information between the optical sensor and an object which generates the reflected light. The processing circuit further determines a position of the object according to the distance information.
    Type: Application
    Filed: January 19, 2022
    Publication date: February 9, 2023
    Applicant: PixArt Imaging Inc.
    Inventors: Ming Shun Manson Fei, Sen-Huang Huang, Chi-Chieh Liao
  • Patent number: 11573127
    Abstract: A far infrared sensor package includes a package body and a plurality of far infrared sensor array integrated circuits. The plurality of far infrared sensor array integrated circuits are disposed on a same plane and inside the package body. Each of the far infrared sensor array integrated circuits includes a far infrared sensing element array of a same size.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: February 7, 2023
    Assignee: PixArt Imaging Inc.
    Inventors: Chih-Ming Sun, Sen-Huang Huang
  • Publication number: 20220395201
    Abstract: A ring of detecting physiological information of a user includes a case and a detection assembly. The case has an inner space including an annular region and a sunken region. The sunken region has a first lateral side, a lower bottom and a second lateral side. The first lateral side and the second lateral side are located on two sides of the sunken region and respectively connected with two sides of the annular region. The annular region covers a back of the user's finger. The lower bottom of the sunken region contacts against a finger pulp of the user's finger. The first lateral side and the second lateral side respectively contact against lateral sides of the finger. The detection assembly is disposed inside the case and includes a first detection module and a second detection module respectively located on the first lateral side and the second lateral side.
    Type: Application
    Filed: June 8, 2022
    Publication date: December 15, 2022
    Applicant: PixArt Imaging Inc.
    Inventors: Sen-Huang Huang, Ming Shun Manson Fei, Cong-Jun Xia
  • Patent number: 11528444
    Abstract: There is provided an image sensor employing an avalanche diode. The image sensor includes a plurality of pixel circuits arranged in a matrix, a plurality of pulling circuits, a plurality of output circuits and a global current source circuit. Each of the plurality of pixel circuits includes a single photon avalanche diode and a P-type or N-type select switch transistor. Each of the plurality of pulling circuits is arranged corresponding to one pixel circuit column. The global current source circuit is used to form a current mirror with each of the plurality of pulling circuits. Each of the plurality of output circuits is shared by at least two pixel circuits.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: December 13, 2022
    Assignee: PIXART IMAGING INC.
    Inventors: Sen-Huang Huang, Tso-Sheng Tsai