Patents by Inventor Robert E. Dubke

Robert E. Dubke 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).

  • Displays having different resolutions for alphanumeric and graphics data
    Patent number: 4684936
    Abstract: A display terminal presents alphanumeric and graphic data at different resolutions simultaneously. The durations of the individual alphanumeric and graphic dots have a fixed but non-integral ratio to each other, and are mixed together asynchronously to form a combined video signal to a CRT.
    Type: Grant
    Filed: April 20, 1984
    Date of Patent: August 4, 1987
    Assignee: International Business Machines Corporation
    Inventors: Mark W. Brown, Robert E. Dubke
  • Hardware generation of styled vectors in a graphics system
    Patent number: 4677573
    Abstract: Vectors on a graphics display are styled according to a specifiable pattern of on/off segments at the same time that they are drawn on the display by integrating the styling of each pixel on the vector at the same time the location of that same pixel is determined according to Bresenham's algorithm.
    Type: Grant
    Filed: May 15, 1984
    Date of Patent: June 30, 1987
    Assignee: International Business Machines Corporation
    Inventors: Mark W. Brown, Robert E. Dubke, Milton J. Kimmel