Patents by Inventor Lea Walton

Lea Walton 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).

  • Apparatus for exchanging pixel data among pixel processors
    Patent number: 4958303
    Abstract: Computer graphics apparatus including a host computer, a plurality of pixel-processors and associated respective frame buffers controlled by the host computer to permit simultaneous pixel-processing, a device for displaying a graphics image described by pixel data stored in the frame buffers, and switching circuitry connected for simultaneously receiving pixel data from source pixel-processors and returning the pixel data to selected destination pixel-processors.
    Type: Grant
    Filed: May 12, 1988
    Date of Patent: September 18, 1990
    Assignee: Digital Equipment Corporation
    Inventors: Hamid Assarpour, Lea Walton