Patents by Inventor Issac Richman

Issac Richman 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).

  • Active boresight drift measurement and calibration apparatus
    Patent number: 4896032
    Abstract: An active boresight drift measurement and calibration apparatus utilizing a predetermined number of interferometer units to measure the distances between themselves, the target tracking unit and the beam direction sensing unit. The interferometer units provide the initial alignment reference and by periodic repeat measurements provides distance change data to establish boresight alignment drift correction angles.
    Type: Grant
    Filed: January 26, 1989
    Date of Patent: January 23, 1990
    Assignee: The United States of America as represented by the Secretary of the Air Force
    Inventors: James M. Ball, Issac Richman