Patents by Inventor Steven L. Augustine

Steven L. Augustine 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).

  • Computer graphics system with improved blending
    Patent number: 5896136
    Abstract: A blending system and method for blending source pixel color values with destination pixel color values in a computer graphics system according to a source alpha value includes a resolution increasing circuit that increases a number of bits in the source alpha value to produce an increased resolution source alpha value. Blending hardware implements a blending routine according to a blending equation to blend the source pixel color values with the destination pixel color values using the increased resolution source alpha value. In one embodiment, the resolution increasing circuit includes a squaring circuit that squares the source alpha value.
    Type: Grant
    Filed: October 30, 1996
    Date of Patent: April 20, 1999
    Assignee: Hewlett Packard Company
    Inventors: Steven L. Augustine, Douglas C. Buhler, Bryan G. Prouty