Patents by Inventor Peter Chi Wai Wan

Peter Chi Wai Wan 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).

  • Patent number: 6175358
    Abstract: Communication with a computer through a gameport is provided in a fashion which provides an increased information bandwidth, e.g. for coupling three or more joysticks or other peripheral devices and/or a total of five or more buttons. In one embodiment, information from joysticks or other peripheral devices is provided to the synchronous serial digitized form over the 4 button lines. X-A and Y-A lines of the gameport are used for providing, to the external devices, timing information from which load and clock signals are generated to control output of information from the peripheral devices to complete.
    Type: Grant
    Filed: December 4, 1997
    Date of Patent: January 16, 2001
    Assignee: Advanced Gravis Computer Technology Ltd.
    Inventors: Dennis L. Scott-Jackson, Harry Skibbe, Peter Chi Wai Wan
  • Patent number: 5714981
    Abstract: Communication with a computer through a gameport is provided in a fashion which provides an increased information bandwidth, e.g. for coupling three or more joysticks or other peripheral devices and/or a total of five or more buttons. In one embodiment, information from joysticks or other peripheral devices is provided to the synchronous serial digitized form over the 4 button lines. X-A and Y-A lines of the gameport are used for providing, to the external devices, timing information from which load and clock signals are generated to control output of information from the peripheral devices to complete.
    Type: Grant
    Filed: April 21, 1995
    Date of Patent: February 3, 1998
    Assignee: Advanced Gravis Computer Technology, Ltd.
    Inventors: Dennis L. Scott-Jackson, Harry Skibbe, Peter Chi Wai Wan