Patents by Inventor Guenther Hortmann

Guenther Hortmann 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).

  • Transmission system for implanted hearing aids
    Patent number: 4696287
    Abstract: An implanted hearing aid for deaf patient having an intact auditory nerve includes an implanted receiver unit provided with a receiver coil surrounding patient's auditory channel. An external transmitter unit is electrically connected to a separate transmitter coil embedded in a fitting piece insertable into the auditory channel in the range of the receiving coil so as to establish an optimum inductive coupling. A microphone is supported on an ear yoke and connected both to the transmitter and the receiver units. The receiver unit is electrically connected to an excitation electrode mounted on cochlea in patient's ear.
    Type: Grant
    Filed: February 26, 1986
    Date of Patent: September 29, 1987
    Assignee: HORTMANN GmbH
    Inventors: Guenther Hortmann, Klaus Kunick, Hans Fenner