Patents by Inventor Jack R. Markle

Jack R. Markle 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: 5074490
    Abstract: An infrared tracker for tracking a carrier in clutter comprises a pyrotechnically heated emitter, a beam concentrator, and a blanking means all of which are mounted on the carrier, and a command link, a thermal detector, a display signal storage means, a display, and a comparator all of which are located remotely to the carrier, said command link operative to provide an emitter start-up signal and a blanking command signal, said emitter and blanking means operative in response to the command signals sent to the carrier when there is clutter present that might be confused with the carrier, respectively, to actuate the emitter and blanking means, said display storage means operative to store a first video frame of the carrier while the emitter is blanked out, and said comparator for ocmparing the first video frame without the emitter to a subsequent video frame including the emitter to distinguish between the clutter is being substantially canceled.
    Type: Grant
    Filed: January 30, 1991
    Date of Patent: December 24, 1991
    Assignees: Texas Instruments Incorporated, Hughes Aircraft Company
    Inventors: Charles B. Muse, Kenneth K. Colson, Jack R. Markle, George W. LeCompte, Patrick A. Whipps