Patents by Inventor Gustav Gamerdinger

Gustav Gamerdinger 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).

  • Patent number: 4986621
    Abstract: An optical head having a photoelectric converter at one end and a socket for a light guide plug at the opposite end, has a spring loaded apertured diaphragm adapted to press lightly against the front end of the plug when it is inserted into the socket. The diaphragm has a cylindrical aperture at its side turned toward the plug and an opening defined by a frustoconical surface widening in the direction of the converter. This surface and the rear wall of the diaphragm can be provided with a light absorbent coating or the surface can be reflective and the rear wall provided with a light absorbent coating.
    Type: Grant
    Filed: August 15, 1989
    Date of Patent: January 22, 1991
    Assignee: Wandel & Goltermann GmbH & Co.
    Inventor: Gustav Gamerdinger