Patents by Inventor Gary S. Tjaden

Gary S. Tjaden 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).

  • Patent number: 6122617
    Abstract: An information delivery system for delivery of audible information to a plurality of end-users comprising, in accordance with the preferred embodiments of an apparatus of the present invention, a master controller connected to a plurality of remotely-located information sources and to a plurality of remotely-located end-user information devices. The master controller connects to a plurality of distant local controllers via a data transport network, including a public switched telecommunications network and a broadcast data transport network. Each local controller includes a sound synthesizer which connects to an end-user audio device, such as a loudspeaker system, a tape recorder, or earphone.
    Type: Grant
    Filed: May 27, 1999
    Date of Patent: September 19, 2000
    Inventor: Gary S. Tjaden
  • Patent number: 5915238
    Abstract: An information delivery system for delivery of audible information to a plurality of end-users comprising, in accordance with the preferred embodiments of an apparatus of the present invention, a master controller connected to a plurality of remotely-located information sources and to a plurality of remotely-located end-user information devices. The master controller connects to a plurality of distant local controllers via a data transport network, including a public switched telecommunications network and a broadcast data transport network. Each local controller includes a sound synthesizer which connects to an end-user audio device, such as a loudspeaker system, a tape recorder, or earphone.
    Type: Grant
    Filed: July 16, 1996
    Date of Patent: June 22, 1999
    Inventor: Gary S. Tjaden