Patents by Inventor Hans-Rudolf Germann

Hans-Rudolf Germann 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).

  • Adaptive noise generating device
    Patent number: 8611576
    Abstract: An acoustic adaptive noise generating device in the form of a flat panel loudspeaker is suitable for increasing people's powers of concentration in acoustically difficult surroundings. The adaptive noise generating device includes a carrier panel, an actuator arranged on the carrier panel. A control device is connected to the actuator and permits adjustment of noise signals emitted by the actuator.
    Type: Grant
    Filed: June 24, 2009
    Date of Patent: December 17, 2013
    Assignee: Preform GmbH
    Inventors: Udo Borgmann, Hans-Rudolf Germann
  • ADAPTIVE NOISE GENERATING DEVICE
    Publication number: 20110211721
    Abstract: An acoustic adaptive noise generating device in the form of a flat panel loudspeaker is suitable for increasing people's powers of concentration in acoustically difficult surroundings. The adaptive noise generating device includes a carrier panel, an actuator arranged on the carrier panel. A control device is connected to the actuator and permits adjustment of noise signals emitted by the actuator.
    Type: Application
    Filed: June 24, 2009
    Publication date: September 1, 2011
    Applicant: PREFORM GMBH
    Inventors: Udo Borgmann, Hans-Rudolf Germann