Patents by Inventor Ching-Chung Yu

Ching-Chung Yu 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).

  • Dummy battery apparatus
    Patent number: 8049461
    Abstract: The invention discloses a dummy battery apparatus (30), configured for supplying power to a portable electronic device (10). The portable electronic device (10) has a circuit board (13), which sets at least one testing port (130). The dummy battery apparatus (30) defines at least one gap thereon, and the defining place of the gap is corresponding to the location of the testing port (130) of the circuit board (13).
    Type: Grant
    Filed: August 1, 2008
    Date of Patent: November 1, 2011
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Ching-Chung Yu
  • DUMMY BATTERY APPARATUS
    Publication number: 20090153128
    Abstract: The invention discloses a dummy battery apparatus (30), configured for supplying power to a portable electronic device (10). The portable electronic device (10) has a circuit board (13), which sets at least one testing port (130). The dummy battery apparatus (30) defines at least one gap thereon, and the defining place of the gap is corresponding to the location of the testing port (130) of the circuit board (13).
    Type: Application
    Filed: August 1, 2008
    Publication date: June 18, 2009
    Applicant: CHI MEI COMMUNICATION SYSTEMS, INC.
    Inventor: Ching-Chung Yu