Patents by Inventor Michael A. Hardwick

Michael A. Hardwick 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).

  • Video processing methods and apparatus for gaze point tracking
    Patent number: 6433759
    Abstract: A gaze point tracking apparatus is provided having a comparator that receives a video signal corresponding to an eye image or a beacon image. The comparator produces a processed video signal that consists of two signal levels. A video processor detects and measures transitions between the two signal levels. The detected transitions are used to determine the location of a gaze point on a display.
    Type: Grant
    Filed: April 26, 2000
    Date of Patent: August 13, 2002
    Assignee: Eye Control Technologies, Inc.
    Inventors: Jim Richardson, Birch Zimmer, Michael A. Hardwick
  • Video processing methods and apparatus for gaze point tracking
    Patent number: 6091378
    Abstract: A gaze point tracking apparatus is provided having a comparator that receives a video signal corresponding to an eye image or a beacon image. The comparator produces a processed video signal that consists of two signal levels. A video processor detects and measures transitions between the two signal levels. The detected transitions are used to determine the location of a gaze point on a display.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: July 18, 2000
    Assignee: Eye Control Technologies, Inc.
    Inventors: Jim Richardson, Birch Zimmer, Michael A. Hardwick