Patents by Inventor Robert D. Brunham

Robert D. Brunham 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).

  • Monolithic multi-emitting laser device
    Patent number: RE31806
    Abstract: A monolithic laser device produces a plurality of spatially displaced emitting cavities in an active layer of a semiconductor body acting as a waveguide for light wave propagation under lasing conditions. Various means are disclosed to deflect and directly couple a portion of the optical wave propagation into one or more different spatially displaced emitting cavities to improve coherence and reduce beam divergence.
    Type: Grant
    Filed: March 8, 1983
    Date of Patent: January 15, 1985
    Assignee: Xerox Corporation
    Inventors: Donald R. Scifres, William Streifer, Robert D. Brunham