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Apparatus and method for voice mode and data mode television-to-television communication

  • US 5,490,208 A
  • Filed: 11/02/1994
  • Issued: 02/06/1996
  • Est. Priority Date: 10/03/1991
  • Status: Expired due to Fees
First Claim
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1. A system for remotely interfacing two consumer televisions comprising:

  • first and second telecommunication interfaces each of said first and second telecommunication interfaces comprising;

    a telephone interface adapted to couple to a telephone line and including a modem;

    an input device that produces control signals;

    an audio input device that receives voice input and generates audio signals;

    a modulator that receives video signals and audio signals, modulates said video signals and audio signals onto a broadcast television signal and outputs the broadcast television signal to an external input of a consumer television;

    a controller that;

    initiates a call to the other telecommunication interface via said telephone interface responsive to a first particular control signal produced by said input device, said call beginning in a voice mode, wherein received audio signals are audiblized through said modulator and said consumer television;

    switches a voice call between said telecommunication interfaces to a data mode responsive to a second particular control signal produced by said input device, wherein during said data mode, only image data and no audio signals are exchanged via said telephone interface; and

    converts image data received during said data mode to video signals for display as a graphic image via said modulator and said consumer television.

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