Patents by Inventor Harry R. Farrah

Harry R. Farrah 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).

  • Patent number: 4484192
    Abstract: Disclosed is a moving map display having a mass memory storing a complete map of the terrain to be traversed by a vehicle, a scan memory storing a portion of the complete map corresponding to the area immediately surrounding the vehicle, a computer for controlling the updating of the portion of map stored in the scan memory and for controlling the refreshing of the map data displayed on a cathode ray tube display, a scan memory address generator receiving parameters computed by the computer for generating addresses sequential outputting the digital map data stored in the scan memory in a predetermined sequence, a video display generator for converting the map data output from the scan memory for utilization by the cathode ray tube display, and a timing generator for synchronizing the generation of the addresses by the scan memory address generator with the scan field of the cathode ray tube display.
    Type: Grant
    Filed: December 17, 1981
    Date of Patent: November 20, 1984
    Assignee: The Bendix Corporation
    Inventors: William R. Seitz, Harry R. Farrah, Gerald A. Brumm, Lansing B. Evans, Chris J. Walter