Patents by Inventor Homg-Ji Shieh

Homg-Ji Shieh 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).

  • Method and apparatus for monitoring the power state of computer system
    Patent number: 7613934
    Abstract: A monitoring method and apparatus applied to a computer system having a computer case, a controller and a register for changing the power state of the computer system according to the assembling state of the computer case is disclosed. The method comprises steps of detecting whether the computer case of the computer system is disassembled, generating a trigger signal to the controller when the computer case of the computer system is disassembled, generating a power management signal in response to the trigger signal for changing a system power state indicator of the register, and polling the system power state indicator and driving the computer system into a hibernation mode according to the change of the system power state indicator.
    Type: Grant
    Filed: December 22, 2004
    Date of Patent: November 3, 2009
    Assignee: Acer Incorporated
    Inventors: Yung-Hui Hou, Homg-Ji Shieh, Wei Lin