Patents by Inventor Gerhard Winzer

Gerhard Winzer 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: 3975082
    Abstract: A laser beam coupling arrangement for wide-band optical data switching systems, consisting of an electronically controllable, optical mask, a hologram, a waveguide matrix and a coherent light source employs dynamic hologram recording in which a sandwich structure is provided for hologram recording and comprises a transparent electrode, a photo-resistor layer, a dielectric reflector, electro-optical or electro-plastic material and a transparent counter-electrode between the controllable, optical mask and the inputs and outputs of the waveguides which are to be coupled.
    Type: Grant
    Filed: July 23, 1975
    Date of Patent: August 17, 1976
    Assignee: Siemens Aktiengesellschaft
    Inventor: Gerhard Winzer