Remote control switching of television sources

Details Remote control switching of television sources Remote control switching of television sources

H - Electricity

04

N

350/20

H04N 7/16 (2006.01) H04N 7/025 (2006.01) H04N 7/088 (2006.01)

Patent

CA 1212455

22 ABSTRACT OF THE DISCLOSURE Binary data consisting of command signals and information is converted into a pulse width modulated waveform which is inserted in the non-picture portion of a television video signal and transmitted to remote local subscriber systems to control the television programming provided to local subscribers.

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