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Switchable signal source module for use with cable television converter

  • US 4,783,846 A
  • Filed: 06/04/1987
  • Issued: 11/08/1988
  • Est. Priority Date: 06/04/1987
  • Status: Expired due to Term
First Claim
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1. A television system comprising a switchable signal source module and a cable television converter, said cable television converter comprising:

  • an input/output terminal for receiving a television input signal and outputting a relay control signal;

    means for generating sadi relay control signal and transmitting said relay control signal to said input/output terminal; and

    television signal output terminal means for outputting a converted television channel signal; and

    said signal source module comprising;

    first input terminal means for receiving a first input signal from a first cable television signal source;

    second input terminal means for receving a second input signal from a second television signal source;

    an input/output terminal;

    relay means, having first and second television signal input ports coupled respectively to said first and second input terminal means, having a television signal output port coupled to said input/output terminal of said module, and having a relay control input port coupled to said input/output terminal of said mouule, for selectively coupling said first input terminal means or said second input terminal means to said input/output terminal of said module based on said relay control signal; and

    whereinsaid signal source module is mounted to said cable television converter with said input/output terminal of said module being electrically coupled to said input/output terminal of said cable television converter.

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