Patents by Inventor Stephan Overbeck

Stephan Overbeck 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).

  • Electro-acoustic transducer
    Patent number: 4779246
    Abstract: An electro-acoustic transducer has a transducer plate having a piezo-electric layer attached thereto. The electro-acoustic transucer is clamped between bearing members at an annular edge region which is free of the piezo-electric layer. The piezo-electric layer is provided with electrodes which extend into the annular free region of the transducer plate. At least one of the bearing members has electrically conductive zones which press directly or indirectly against the electrodes and which press against electrical plug elements on a housing for the transducer.
    Type: Grant
    Filed: February 24, 1987
    Date of Patent: October 18, 1988
    Assignee: Siemens Aktiengesellschaft
    Inventors: Klaus Dietzsch, Gottfried Brandenburg, Stephan Overbeck