Patents by Inventor V. B. Sureshkumar

V. B. Sureshkumar 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).

  • Method of shading a graphics image
    Patent number: 5142617
    Abstract: A method and apparatus for tiling a display area defined by lines joining vertices with a surface normal vector associated with each vertex whereby the display area is subdivided into sub-display areas by calculating additional vertices and surface normal vectors by interpolation and rendering a given sub-display area by calculating intensity values at its vertices and tiling its area by linear interpolation of the calculated vertex intensity values.
    Type: Grant
    Filed: October 27, 1988
    Date of Patent: August 25, 1992
    Assignee: Tektronix, Inc.
    Inventors: John C. Dalrymple, V. B. Sureshkumar