Patents Assigned to World Gate Communications, LLC
  • Patent number: 5999970
    Abstract: An access system and method for providing interactive access to an information source through a television distribution system is disclosed. The distribution system includes a television distribution network, headend distribution equipment at the headend of the distribution network, and a plurality of terminals at terminal ends of the distribution network. An input device and an upstream transmitter are associated with one of the terminals to input a command for the information source and to transmit the inputted command on an upstream channel of the distribution network, respectively. A headend server, upstream receiver, and blank interval inserter are associated with the headend distribution equipment. The headend server is interfaced to the information source. The upstream receiver is interfaced to the headend server to receive and forward the command to the headend server.
    Type: Grant
    Filed: April 10, 1996
    Date of Patent: December 7, 1999
    Assignee: World Gate Communications, LLC
    Inventors: Harold M. Krisbergh, David E. Wachob, Joseph E. Augenbraun, Jae Hea Edward Lee