Patents by Inventor Chun-Chung Chang

Chun-Chung Chang 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).

  • LIFTING DEVICE FOR LCD
    Publication number: 20040090149
    Abstract: A parallelepiped lifting device mounted under a computer desk in a storage position is disclosed. Prior to using a computer, the device is activated by starting a motor in a clockwise rotation to lift an LCD of the computer from under the desk by means of a mechanism comprising chain wheels, bars, and adjusting screws. A lowering of the device into the desk is performed by starting the motor in a counterclockwise rotation by means of the same mechanism. The invention can save desk space for other purposes in the storage position.
    Type: Application
    Filed: November 13, 2002
    Publication date: May 13, 2004
    Inventor: Chun-Chung Chang
  • Lift for LCD
    Publication number: 20040090154
    Abstract: A parallelepiped lifting device mounted under a computer desk in a storage position is disclosed. Prior to using a computer, the device is activated by starting a motor in a clockwise rotation to lift an LCD of the computer from under the desk by means of a mechanism comprising chains, sprockets, and a bar. A lowering of the device into the desk is performed by starting the motor in a counterclockwise rotation by means of the same mechanism. The invention can save desk space for other purposes in the storage position.
    Type: Application
    Filed: November 13, 2002
    Publication date: May 13, 2004
    Inventor: Chun-Chung Chang
  • Lifting device for LCD
    Patent number: 6733094
    Abstract: A parallelepiped lifting device mounted under a computer desk in a storage position is disclosed. Prior to using a computer, the device is activated by starting a motor in a clockwise rotation to lift an LCD of the computer from under the desk by means of a mechanism comprising chain wheels, bars, and adjusting screws. A lowering of the device into the desk is performed by starting the motor in a counterclockwise rotation by means of the same mechanism. The invention can save desk space for other purposes in the storage position.
    Type: Grant
    Filed: November 13, 2002
    Date of Patent: May 11, 2004
    Inventor: Chun-Chung Chang
  • Mobile phone
    Patent number: D609675
    Type: Grant
    Filed: October 29, 2008
    Date of Patent: February 9, 2010
    Assignee: Chi Mei Communication Systems, Inc.
    Inventor: Chun-Chung Chang