Patents by Inventor Peter L. Garrett

Peter L. Garrett 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).

  • Dynamically controlled mirror for reduction of projected image distortion
    Patent number: 4773748
    Abstract: A deformable mirror system for reduction of projected image distortion in an optical system is disclosed. The mirror is adapted to correct for ray direction. In accordance with the invention, a mirror is located near an intermediate image plane. The distortion in the image is predetermined, and the mirror is contorted in a manner determined by the distortion to be corrected; relationships are prescribed for the desired contortion. Significant reduction in distortion can be achieved by placement of a mirror near the image plane; furthere reduction can be achieved in accordance with the invention by the placement of an additional contorted mirror at a subsequent image-forming aperture in the optical system.
    Type: Grant
    Filed: October 9, 1984
    Date of Patent: September 27, 1988
    Assignee: Hughes Aircraft Company
    Inventors: I-Fu Shih, David B. Chang, Peter L. Garrett, Norton L. Moise