Patents by Inventor Richard C. Hebb

Richard C. Hebb 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).

  • Raster shifting delay compensation system
    Patent number: 4487584
    Abstract: A compensation system for use in a helmet mounted raster projection system tilizes a microprocessor to control the offset position of the raster line and frame scanners, thereby increasing the stability of the viewed scene. The microprocessor calculates control words which are fed to the scanners via digital to analog converters during the vertical sync of the raster scan. The microprocessor calculates the control words from pilot look data obtained by head and eye trackers compared to previous similar data.
    Type: Grant
    Filed: November 17, 1982
    Date of Patent: December 11, 1984
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: John H. Allen, Joseph Portoghese, Richard C. Hebb, Denis R. Breglia