Patents by Inventor Timothy L. Butler

Timothy L. Butler 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-speed image rendering method using look-ahead images
    Patent number: 5091960
    Abstract: A look-ahead image is employed during ray tracing of the image rendering process to eliminate the processing of pixels which are of no interest within a given boundary of the ray. During rendering, ray tracing is carried out by jumping over the pixels of no interest to thereby enhance the rendering speed.
    Type: Grant
    Filed: September 26, 1988
    Date of Patent: February 25, 1992
    Assignee: Visual Information Technologies, Inc.
    Inventor: Timothy L. Butler