Patents by Inventor Yong Yang Cai

Yong Yang Cai 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).

  • Electrostatic discharge enhanced charge contact design
    Patent number: 7316592
    Abstract: The present invention is directed to an electrical contact that incorporates a movable metal connection component such as a contact pin. The metal connection component is mounted within an insulating body. An electrically conducting path, from a contact head of the metal connection component to an interior of a base chassis is created only when a handset has been positioned within a cradle cavity of the base.
    Type: Grant
    Filed: May 16, 2003
    Date of Patent: January 8, 2008
    Assignee: VTech Telecommunications Limited
    Inventors: Chauk Hung Chan, Yong Yang Cai, Chu Zhu Pang
  • Electrostatic discharge enhanced charge contact design
    Publication number: 20040022388
    Abstract: The present invention is directed to an electrical contact that incorporates a movable metal connection component such as a contact pin. The metal connection component is mounted within an insulating body. An electrically conducting path, from a contact head of the metal connection component to an interior of a base chassis is created only when a handset has been positioned within a cradle cavity of the base.
    Type: Application
    Filed: May 16, 2003
    Publication date: February 5, 2004
    Inventors: Chauk Hung Chan, Yong Yang Cai, Chu Zhu Pang