Patents by Inventor Reinhard Bolnberger

Reinhard Bolnberger 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).

  • Breathing mask having a transducer movable parts coupled to a speaking diaphragm for speech transmission
    Patent number: 4718415
    Abstract: A breathing mask includes a carrier which has an inhalation passage and an exhalation passage and a passage over which a speaking diaphragm is extended for speech transmission from the interior of the mask to the exterior. In accordance with the invention an electrostatic transducer has a moving part which is coupled directly to the speaking diaphragm to provide for improved speech transmission.
    Type: Grant
    Filed: August 21, 1986
    Date of Patent: January 12, 1988
    Assignee: AKG Akustische u.KinoGerate Gesellschaft m.b.H.
    Inventors: Reinhard Bolnberger, Werner Fidi