Patents by Inventor John H. Spicer

John H. Spicer 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).

  • High resolution graphics system architecture
    Patent number: 5293480
    Abstract: A graphics generation system includes a column-interleaved distributed frame buffer and data routing apparatus which directs graphics commands to only a selected group of rendering processing elements (RPEs) required to render a given object to be displayed. In one embodiment, the system specifies this selected group of processing elements using a starting and ending RPE number. This starting and ending RPE number is used to selectively enable only those processing elements needed to process the object data and render the object to be displayed.
    Type: Grant
    Filed: February 1, 1993
    Date of Patent: March 8, 1994
    Assignee: AT&T Bell Laboratories
    Inventors: Robert W. Miller, John H. Spicer