Patents by Inventor Cheng-Sung Li

Cheng-Sung 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).

  • Handset sliding structure
    Patent number: 7218509
    Abstract: The present invention provides a handset sliding structure for mobile devices comprising a cover, a base and a slider. Therein, a surface of the base comprises two opposing sliding tracks having a narrow section, the shortest distance between them. The cover is slid on the base along the sliding tracks with a slider in between. The slider comprises an elastic member and two ends abutting against the two opposing sliding tracks. Sliding the cover, it can be automatically moved to a predestined end position for opening or closing.
    Type: Grant
    Filed: October 4, 2004
    Date of Patent: May 15, 2007
    Assignee: Speed Tech Corp.
    Inventors: Chia-Wei Liao, Cheng-Sung Li, Li-Sen Chen
  • Handset sliding structure
    Publication number: 20060072285
    Abstract: The present invention provides a handset sliding structure for mobile devices comprising a cover, a base and a slider. Therein, a surface of the base comprises two opposing sliding tracks having a narrow section, the shortest distance between them. The cover is slid on the base along the sliding tracks with a slider in between. The slider comprises an elastic member and two ends abutting against the two opposing sliding tracks. Sliding the cover, it can be automatically moved to a predestined end position for opening or closing.
    Type: Application
    Filed: October 4, 2004
    Publication date: April 6, 2006
    Inventors: Chia-Wei Liao, Cheng-Sung Li, Li-Sen Chen