Patents by Inventor Knud Kudnig

Knud Kudnig 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).

  • Device for transmitting information by means of acoustic signals
    Patent number: 6530526
    Abstract: In a device for generating acoustic signals, a mechanical profile which contains information in a coded form is arranged on the surface of a plastic card, can be lead over an edge for generating sounds which contain information, and has at least two adjacent tracks. The plastic card can be inserted into a guiding part, for example a card slide, provided with at least one scanning cam of which one edge rattles on the profile when the profile is drawn past it.
    Type: Grant
    Filed: June 23, 2000
    Date of Patent: March 11, 2003
    Inventors: Dietmar Kuschel, Knud Kudnig