Patents by Inventor Ludwig Fink

Ludwig Fink 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).

  • Optical fiber plug device including fiber for monitoring a light source
    Patent number: 4678265
    Abstract: A light waveguide plug device which has a body with a concentric bore for receiving a light waveguide being received in a guide sleeve which supports an optical light transmitter such as an LED for emitting light which is coupled into an end of the light waveguide in the bore characterized by an arrangement to sense the condition of the optical light transmitter or LED which comprises an additional or second bore receiving an additional or second light waveguide whose end receives some of the light scatter from the transmitter and conducts it to an optoelectrical transducer to convert the light into electrical signals utilized to monitor the condition of the transmitter.
    Type: Grant
    Filed: May 24, 1984
    Date of Patent: July 7, 1987
    Assignee: Siemens Aktiengesellschaft
    Inventors: Ludwig Fink, Hans-Norbert Toussaint