Tv receiver with selection of broadcast or external video...

H - Electricity – 04 – N

Patent

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365/9, 350/94

H04N 5/44 (2006.01) H04N 5/445 (2006.01) H04N 5/76 (2006.01) H04N 5/775 (2006.01) H04N 5/50 (2006.01)

Patent

CA 1085048

ABSTRACT OF THE DISCLOSURE A television receiver for reproducing a picture of a television signal or an external video signal, selectively, having a television tuner using a signal controlled reactance device as a tuning element, a video detector coupled to said television tuner and producing a television video signal at a television video signal output terminal, a channel selector having a plurality of channel selecting switches and supplying a tuning signal corresponding to a selected channel to said signal controlled reactance device of said television tuner, an external video signal input terminal, a gate circuit selecting one video signal from said television video signal input terminal or said external video signal input terminal, a flip- flop circuit controlling said gate circuit, and a mode control switch triggering said flip-flop.

280206

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