Patents by Inventor Tsung-Tung LI

Tsung-Tung LI 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).

  • Optical system
    Patent number: 11493727
    Abstract: An optical system is provided, including a fixed assembly, a plurality of movable members, and a plurality of driving assemblies respectively connected to the movable members. The movable members are connected to an optical element and movable relative to the fixed assembly. The driving assemblies respectively drive the movable members to move relative to the fixed assembly in different time intervals.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: November 8, 2022
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Chun Cheng, Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Tsung-Tung Li, Sin-Jhong Song
  • Calibration method
    Patent number: 11002941
    Abstract: A calibration method of an optical system is provided, wherein the optical system includes a movable element that can move within an operation interval. The calibration method includes the step of establishing a relationship between the operation interval and an electrical signal coding sequence. The calibration method further includes the step of establishing a relationship between the operation interval and a sensing signal coding sequence.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: May 11, 2021
    Assignee: TDK TAIWAN CORP.
    Inventors: Yi-Chun Cheng, Chao-Chang Hu, Che-Wei Chang, Chih-Wen Chiang, Tsung-Tung Li, Sin-Jhong Song
  • CALIBRATION METHOD
    Publication number: 20200213493
    Abstract: A calibration method of an optical system is provided, wherein the optical system includes a movable element that can move within an operation interval. The calibration method includes the step of establishing a relationship between the operation interval and an electrical signal coding sequence. The calibration method further includes the step of establishing a relationship between the operation interval and a sensing signal coding sequence.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 2, 2020
    Inventors: Yi-Chun CHENG, Chao-Chang HU, Che-Wei CHANG, Chih-Wen CHIANG, Tsung-Tung LI, Sin-Jhong SONG
  • OPTICAL SYSTEM
    Publication number: 20200209515
    Abstract: An optical system is provided, including a fixed assembly, a plurality of movable members, and a plurality of driving assemblies respectively connected to the movable members. The movable members are connected to an optical element and movable relative to the fixed assembly. The driving assemblies respectively drive the movable members to move relative to the fixed assembly in different time intervals.
    Type: Application
    Filed: December 27, 2019
    Publication date: July 2, 2020
    Inventors: Yi-Chun CHENG, Chao-Chang HU, Che-Wei CHANG, Chih-Wen CHIANG, Tsung-Tung LI, Sin-Jhong SONG