Patents by Inventor Zheng-Kai Hu

Zheng-Kai Hu 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).

  • Electric swiveling mechanism for two axes
    Patent number: 7257431
    Abstract: The present invention discloses a portable multimedia player which comprises a panel, a base, and an electric swiveling mechanism for two axes combining the panel and the base. The electric swiveling mechanism further comprises a first swiveling mechanism and a second swiveling mechanism for controlling yaw and pitch swiveling, respectively.
    Type: Grant
    Filed: July 28, 2005
    Date of Patent: August 14, 2007
    Assignee: Afreey Inc.
    Inventors: Chung-Chih Chen, Shao-Wen Kao, Chih-Chuan Ke, Zheng-Kai Hu
  • Electric swiveling mechanism for two axes
    Publication number: 20070025853
    Abstract: The present invention discloses a portable multimedia player which comprises a panel, a base, and an electric swiveling mechanism for two axes combining the panel and the base. The electric swiveling mechanism further comprises a first swiveling mechanism and a second swiveling mechanism for controlling yaw and pitch swiveling, respectively.
    Type: Application
    Filed: July 28, 2005
    Publication date: February 1, 2007
    Inventors: Chung-Chih Chen, Shao-Wen Kao, Chih-Chuan Ke, Zheng-Kai Hu