Patents by Inventor Liang-Kuan Yu

Liang-Kuan 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).

  • Method of communicating with embedded controller
    Patent number: 7516260
    Abstract: A method of communicating with an embedded controller is disclosed. The method is adapted for an Advanced Configuration and Power Interface specification (ACPI). According to the method, a busy flag is set in the status register of the embedded controller. While the Operating System Power Management handler (OSPM) accesses the embedded controller, the busy flag is set with a busy state value. When the OSPM finishes accessing the embedded controller, the busy flag is set with a non-busy state value.
    Type: Grant
    Filed: June 15, 2005
    Date of Patent: April 7, 2009
    Assignee: Nuvoton Technology Corporation
    Inventors: Liang-Kuan Yu, Chao-Hsiang Huang
  • METHOD OF COMMUNICATING WITH EMBEDDED CONTROLLER
    Publication number: 20070011471
    Abstract: A method of communicating with an embedded controller is disclosed. The method is adapted for an Advanced Configuration and Power Interface specification (ACPI). According to the method, a busy flag is set in the status register of the embedded controller. While the Operating System Power Management handler (OSPM) accesses the embedded controller, the busy flag is set with a busy state value. When the OSPM finishes accessing the embedded controller, the busy flag is set with a non-busy state value.
    Type: Application
    Filed: June 15, 2005
    Publication date: January 11, 2007
    Inventors: Liang-Kuan Yu, Chao-Hsiang Huang