Patents by Inventor Rolf Robberg

Rolf Robberg 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).

  • Method of manufacturing a fused-fiber optical coupler
    Patent number: 5129019
    Abstract: The method consists of first splicing (FIG. 2) one short length of a single-mode fiber (3, 4) into each of the optical fibers (1, 2) of fibers lying parallel to each other (FIG. 1), then fusing the two spliced-in single-mode fibers (3, 4) together (FIG. 3) and pulling them to form a coupler (6) (FIG. 4), and then embedding the coupler (6) in a protective housing (7) up to points beyond the splices (5).
    Type: Grant
    Filed: September 10, 1990
    Date of Patent: July 7, 1992
    Assignee: Alcatel N.V.
    Inventors: Rolf Robberg, Friedemann Mohr