Patents by Inventor Erwin Klosch

Erwin Klosch 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).

  • Voice-training apparatus
    Patent number: 5061186
    Abstract: In an apparatus for voice training, on several points of a student's body measuring devices are provided, which are connected to optical display devices. At each of these measuring devices, a pressure sensor amplifier is connected with an analog multiplexer, and a sound-pressure measuring device is directly connected to the respective display device.
    Type: Grant
    Filed: October 25, 1989
    Date of Patent: October 29, 1991
    Inventors: Peter Jost, Erwin Klosch