Patents by Inventor Edwin D. Hekman

Edwin D. Hekman 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).

  • Fiber optic device with a reflective notch coupler
    Patent number: 5037172
    Abstract: A structure and a method of manufacturing a reflective notch coupler for an optical fiber are disclosed. The coupler is formed in an optical fiber by a pair of angled surfaces extending from the cladding of the optical fiber and meeting in the fiber's core to form an indentation in the fiber. One surface is reflectively coated and couples light into and out of the core of the optical fiber.
    Type: Grant
    Filed: December 11, 1990
    Date of Patent: August 6, 1991
    Assignee: Teledyne Industry, Inc.
    Inventors: Edwin D. Hekman, Thomas J. Lund, John L. Maida, Deepak Varshneya