Patents by Inventor Randall William Zinn

Randall William Zinn 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).

  • Automatic ISDN switch
    Publication number: 20040165059
    Abstract: An automatic ISDN switch for connection to at least one ISDN-BRI line and a plurality of different videoconferencing locations for automatically switching the at least one ISDN-BRI line to one videoconferencing location of the plurality of different videoconferencing locations, comprising: a control unit for being placed in circuit communication with each of the plurality of different videoconferencing locations, the control unit generating a location signal corresponding to a particular one videoconferencing location of the plurality of videoconferencing locations; and a switch bank in circuit communication with the control unit for receiving the location signal, for being placed in circuit communication with the plurality of different videoconferencing locations, and further for being placed in circuit communication with the at least one ISDN-BRI line, said switch bank automatically switching the at least one ISDN-BRI line to the particular one videoconferencing location of the plurality of videoconferencin
    Type: Application
    Filed: January 12, 2004
    Publication date: August 26, 2004
    Inventors: Manfred Wilhelm Troibner, Randall William Zinn
  • Automatic ISDN switch
    Patent number: 6466251
    Abstract: An automatic ISDN switch for connection to at least one ISDN-BRI line and a plurality of different videoconferencing locations for automatically switching the at least one ISDN-BRI line to one videoconferencing location of the plurality of different videoconferencing locations, comprising: a control unit for being placed in circuit communication with each of the plurality of different videoconferencing locations, the control unit generating a location signal corresponding to a particular one videoconferencing location of the plurality of videoconferencing locations; and a switch bank in circuit communication with the control unit for receiving the location signal, for being placed in circuit communication with the plurality of different videoconferencing locations, and further for being placed in circuit communication with the at least one ISDN-BRI line, said switch bank automatically switching the at least one ISDN-BRI line to the particular one videoconferencing location of the plurality of videoconferencin
    Type: Grant
    Filed: August 23, 1999
    Date of Patent: October 15, 2002
    Inventors: Manfred Wilhelm Troibner, Randall William Zinn