Patents by Inventor Paul C. Montgomery

Paul C. Montgomery 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).

  • Interferometric measurement method and apparatus
    Patent number: 4913550
    Abstract: An electronic speckle pattern interferometric for measuring the movement of a vibrating body (2) uses a coherent light source (16) to illuminate the body. A television camera (4) receives radiation scattered by the body and from a reference beam (7) to form a speckle pattern. Successive measurements are stored in a frame store (8, 9) and displayed on a monitor (10).
    Type: Grant
    Filed: December 19, 1988
    Date of Patent: April 3, 1990
    Assignee: National Research Development Corp.
    Inventors: Paul C. Montgomery, John R. Tyrer