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Interactive home information system with signal assignment

DC CAFC
  • US 5,526,034 A
  • Filed: 05/03/1993
  • Issued: 06/11/1996
  • Est. Priority Date: 09/28/1990
  • Status: Expired due to Term
First Claim
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1. An interactive television information system, for providing interactive cable television service over a cable television system distribution network, the interactive television system comprising:

  • an information source means for supplying a plurality of information services;

    a plurality of home interface controller means, each such home interface controller means providing an output in communication with an associated subscriber television and having (i) a cable television system distribution network signal input for television information signals and input selection means for selecting a given one of the television information signals at the signal input and (ii) a data transceiver operative through the cable television system distribution network signal input for conducting data communications over the cable television system distribution network;

    node means, in television communication with the information source means and in television communication and data communication with a group of the home interface controller means over the cable television system distribution network, for selecting and providing information services obtained from the information source means to each home interface controller means in the group based on data obtained over the cable television system distribution network from each such home interface controller means;

    wherein the node means includes (a) activity detection means for determining whether a given home interface controller means is to be placed in an interactive mode and (b) signal assignment means for causing, on an affirmative determination by the activity detection means, the input selection means of the given home interface controller means to select a given television information signal present at the signal input, so that signal assignment is accomplished on a demand basis for those home interface controllers determined to be placed in an interactive mode.

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