Patents by Inventor Klaus R. Pichler

Klaus R. Pichler 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).

  • Talking book with an infrared detector used to detect page turning
    Patent number: 4636881
    Abstract: A talking book includes front and back panels. A microcassette tape player and logical circuitry with left and right infrared detectors are located at the top of the back panel. A ring binder is located at the left of the back panel adjacent the spline and below the left and right infrared detectors. A housing below the ring binder carries an infrared source that energizes the left and right infrared detectors. The housing also carries a headset jack. A conduit located beside the ring binder accommodates wires between the logical circuitry and the housing.
    Type: Grant
    Filed: September 10, 1984
    Date of Patent: January 13, 1987
    Assignee: James T. Shaw
    Inventors: Paul E. Brefka, Klaus R. Pichler