Patents by Inventor Da-Yong Mao

Da-Yong Mao 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).

  • Low-profile switch mechanism
    Patent number: 7820930
    Abstract: A switch mechanism includes a frame, an electrical switch on the frame, a lever extending from the frame alongside the switch and including an activation portion whereupon deflection of the lever, the activation portion bears upon the switch so as to activate the switch A force-transfer device associated with the frame moves upon user-activation to deflect the lever. Furthermore, the present switch mechanism is not limited in its application to ON-OFF switches as it could be equally applied to other function switches of low-profile devices.
    Type: Grant
    Filed: April 9, 2008
    Date of Patent: October 26, 2010
    Assignees: Camry Industries (H.K.) Limted, Zhongshan Camry Electronic Company Limited
    Inventor: Da-Yong Mao
  • Low-profile switch mechanism
    Publication number: 20090194402
    Abstract: A switch mechanism includes a frame, an electrical switch on the frame, a lever extending from the frame alongside the switch and including an activation portion whereupon deflection of the lever, the activation portion bears upon the switch so as to activate the switch A force-transfer device associated with the frame moves upon user-activation to deflect the lever. Furthermore, the present switch mechanism is not limited in its application to ON-OFF switches as it could be equally applied to other function switches of low-profile devices.
    Type: Application
    Filed: April 9, 2008
    Publication date: August 6, 2009
    Inventor: Da-Yong Mao