Patents by Inventor James E. A. Whiteaway

James E. A. Whiteaway 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).

  • Laser array
    Patent number: 4760580
    Abstract: An injection laser array has 2.sup.n output elements (1) coupled by Y couplers (2, 4, 6) and (n-1) in sets of intermediate elements to a single element (7) in a tree configuration. The face end of the single element is provided with a high reflectivity coating (8) while those of the 2.sup.n output elements are provided with low a reflectivity coating (9).
    Type: Grant
    Filed: March 31, 1987
    Date of Patent: July 26, 1988
    Assignee: STC PLC
    Inventors: George H. B. Thompson, James E. A. Whiteaway