Patents by Inventor Zefeng Li

Zefeng 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).

  • Publication number: 20250076136
    Abstract: A device for testing pressure of keys of a full keyboard includes a variable-pitch test module mechanism. The variable-pitch test module mechanism includes multiple modules mounted on a base plate and probe modules provided corresponding to the variable-pitch test modules one by one; the variable-pitch test module includes a first driving device and a second driving device, the probe module is mounted on the second driving device, the second driving device is provided on the first driving device, the first driving device is configured to adjust a position of the probe module in an X direction, and the second driving device is configured to adjust a position of the probe module in a Y direction; and the probe module includes a lifting device and a probe for testing. The lifting device is connected to the probe and is configured to adjust a position of the probe in a Z direction.
    Type: Application
    Filed: October 31, 2024
    Publication date: March 6, 2025
    Applicant: Peratech Electronic Tech Suzhou Co Ltd
    Inventors: Zefeng Li, Jiajun Tang, Jiongbin Zhang, Shuping Sun, Piao Yang
  • Patent number: D1007305
    Type: Grant
    Filed: August 30, 2023
    Date of Patent: December 12, 2023
    Inventor: Zefeng Li
  • Patent number: D1020398
    Type: Grant
    Filed: October 24, 2023
    Date of Patent: April 2, 2024
    Assignee: Shenzhen Fengshun Technology Co., Ltd.
    Inventor: Zefeng Li
  • Patent number: D1035379
    Type: Grant
    Filed: March 7, 2024
    Date of Patent: July 16, 2024
    Assignee: Shenzhen Fengshun Technology Co., Ltd.
    Inventor: Zefeng Li
  • Patent number: D1051464
    Type: Grant
    Filed: January 3, 2024
    Date of Patent: November 12, 2024
    Inventor: Zefeng Li