With Film Severing Or Perforating Means Patents (Class 352/122)
  • Reduced-speckle display system
    Patent number: 5272473
    Abstract: A digitized video system with an increased viewing angle having a light projector and a display screen. The light projector generating a plurality of narrow light beams to impinge on the display screen at a plurality of associated points. The display screen has a transducer generating surface acoustic waves which traverse the associated points. This results in reduced laser speckle.
    Type: Grant
    Filed: August 17, 1992
    Date of Patent: December 21, 1993
    Assignee: Texas Instruments Incorporated
    Inventors: E. Earle Thompson, Thomas W. DeMond