Patents by Inventor Jian-Cheng Liao

Jian-Cheng Liao 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).

  • Publication number: 20250143644
    Abstract: A smart ring with a physiological feature detecting method is applied to a target object. The smart ring includes a pressure sensor and an operation processor. The pressure sensor is adapted to detect a pressure value of the target object applied for the smart ring. The operation processor is electrically connected with the pressure sensor, and adapted to compare the pressure value with a preset condition and determine a behavior of the target object according to a comparison result of the pressure value and the preset condition for generating a related operation command.
    Type: Application
    Filed: January 10, 2025
    Publication date: May 8, 2025
    Applicant: PixArt Imaging Inc.
    Inventors: Yung-Chang Lin, Jian-Cheng Liao, Chun-Chih Chen
  • Publication number: 20250044157
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Application
    Filed: October 22, 2024
    Publication date: February 6, 2025
    Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
  • Patent number: 12158375
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Grant
    Filed: May 4, 2023
    Date of Patent: December 3, 2024
    Assignee: PIXART IMAGING INC.
    Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng 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
  • Publication number: 20230273070
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Application
    Filed: May 4, 2023
    Publication date: August 31, 2023
    Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
  • Publication number: 20230266297
    Abstract: An optical detection device is applied to an organism and includes a light emitting module, an optical detection module and an operation processor. The light emitting module includes a plurality of light emitters arranged along a first direction. The optical detection module includes a plurality of optical sensors arranged along a second direction and symmetrically relative to the light emitting module. The second direction is substantially different from the first direction. The optical sensors are substantially placed more outward from a center of the optical detection device than the light emitters. The operation processor is electrically connected to the optical detection module. The operation processor is adapted to analyze signal variation in the plurality of light emitters acquired by each of the plurality of optical sensors for determining a physiological feature of the organism.
    Type: Application
    Filed: February 23, 2022
    Publication date: August 24, 2023
    Applicant: PixArt Imaging Inc.
    Inventors: Yung-Chang Lin, Che-Yen Kung, Jian-Cheng Liao, Hsiu-Ling Yeh
  • Patent number: 11686623
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: June 27, 2023
    Assignee: PIXART IMAGING INC.
    Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao
  • Publication number: 20210290158
    Abstract: A wearable electronic device with a function of detecting a wearing state, comprising: a plurality of electrodes; a capacitance calculating circuit, coupled to the electrodes, configured to calculate capacitance variations generated by at least two of the electrode; and a wearing state determining circuit, coupled to the capacitance calculating circuit, configured to determine the wearing state according to the capacitance variations. The wearing state determining circuit determines that the user wears the wearable electronic device in a proper manner if the capacitance variations indicate at least two of the electrodes indicate the user touches wearing state determining circuit. By this way, the wearing state can be auto detected and the wearable electronic device can be correspondingly control according to the wearing state.
    Type: Application
    Filed: June 3, 2021
    Publication date: September 23, 2021
    Inventors: Che-Chia Hsu, Jian-Cheng Liao, Yu-Han Chen, Chi-Chieh Liao
  • Patent number: 11051758
    Abstract: A wearable electronic device with a function of detecting a wearing state, comprising: at least one electrode; a capacitance calculating circuit, coupled to the electrode, configured to calculate a capacitance variation generated by at least one of the electrode; and a wearing state determining circuit, coupled to the capacitance calculating circuit, configured to determine the wearing state according to the capacitance variation. By this way, the wearing state can be auto detected and the wearable electronic device can be correspondingly control according to the wearing state.
    Type: Grant
    Filed: October 3, 2019
    Date of Patent: July 6, 2021
    Assignee: PixArt Imaging Inc.
    Inventors: Che-Chia Hsu, Jian-Cheng Liao, Yu-Han Chen, Chi-Chieh Liao
  • Publication number: 20210199507
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Application
    Filed: March 12, 2021
    Publication date: July 1, 2021
    Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
  • Patent number: 10983009
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Grant
    Filed: June 19, 2020
    Date of Patent: April 20, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao
  • Publication number: 20210100502
    Abstract: A wearable electronic device with a function of detecting a wearing state, comprising: at least one electrode; a capacitance calculating circuit, coupled to the electrode, configured to calculate a capacitance variation generated by at least one of the electrode; and a wearing state determining circuit, coupled to the capacitance calculating circuit, configured to determine the wearing state according to the capacitance variation. By this way, the wearing state can be auto detected and the wearable electronic device can be correspondingly control according to the wearing state.
    Type: Application
    Filed: October 3, 2019
    Publication date: April 8, 2021
    Inventors: Che-Chia Hsu, Jian-Cheng Liao, Yu-Han Chen, Chi-Chieh Liao
  • Patent number: 10891362
    Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: January 12, 2021
    Assignee: PIXART IMAGING INC.
    Inventors: Ren-Hau Gu, Chih-Hsin Lin, Tzung-Min Su, Yung-Chang Lin, Jian-Cheng Liao, Chun-Chih Chen
  • Publication number: 20200319033
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Application
    Filed: June 19, 2020
    Publication date: October 8, 2020
    Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
  • Patent number: 10732049
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case for sealing up the opening of the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Grant
    Filed: September 27, 2018
    Date of Patent: August 4, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao
  • Publication number: 20200242226
    Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.
    Type: Application
    Filed: April 16, 2020
    Publication date: July 30, 2020
    Inventors: REN-HAU GU, CHIH-HSIN LIN, TZUNG-MIN SU, YUNG-CHANG LIN, JIAN-CHENG LIAO, CHUN-CHIH CHEN
  • Patent number: 10698996
    Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.
    Type: Grant
    Filed: September 9, 2019
    Date of Patent: June 30, 2020
    Assignee: PIXART IMAGING INC.
    Inventors: Ren-Hau Gu, Chih-Hsin Lin, Tzung-Min Su, Yung-Chang Lin, Jian-Cheng Liao, Chun-Chih Chen
  • Publication number: 20200004943
    Abstract: A wearable device including a skin sensor and a processor is provided. The processor is configured to receive an authentication data for authenticating a user when a wearing state of the wearable device is adjacent to a skin surface of the user, execute a predetermined function in response to a request when the authentication data matches a pre-stored data and the skin sensor determines that the wearable device does not leave the skin surface after the authentication data is received, and reject or ignore the request when the skin sensor determines that the wearable device leaves the skin surface before the predetermined function is executed.
    Type: Application
    Filed: September 9, 2019
    Publication date: January 2, 2020
    Inventors: Ren-Hau GU, Chih-Hsin LIN, Tzung-Min SU, Yung-Chang LIN, Jian-Cheng LIAO, Chun-Chih CHEN
  • Publication number: 20190025127
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case for sealing up the opening of the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Application
    Filed: September 27, 2018
    Publication date: January 24, 2019
    Inventors: MING-HAN TSAI, CHIH-MING SUN, JIAN-CHENG LIAO
  • Patent number: 10113912
    Abstract: An electronic device includes an outer case, a circuit substrate, a thermopile sensor chip, a filter structure, and a waterproof structure. The outer case has an opening. The circuit substrate is disposed inside the outer case. The thermopile sensor chip is disposed on the circuit substrate. The filter structure is disposed above the thermopile sensor chip. The waterproof structure is surroundingly connected between the filter structure and the outer case for sealing up the opening of the outer case, wherein the waterproof structure has a through hole for exposing the filter structure and communicated with the opening of the outer case.
    Type: Grant
    Filed: December 17, 2015
    Date of Patent: October 30, 2018
    Assignee: PIXART IMAGING INC.
    Inventors: Ming-Han Tsai, Chih-Ming Sun, Jian-Cheng Liao