Television receiver with selectable video input signals

Details Television receiver with selectable video input signals Television receiver with selectable video input signals

H - Electricity

04

N

350/56

H04N 5/18 (2006.01) H04N 5/44 (2006.01) H04N 9/64 (2006.01)

Patent

CA 1257379

ABSTRACT A television receiver is arranged to selectively display either information from a broadcast television signal or information from an auxiliary video signal, in accordance with the position of a switching network to which the signals are coupled. Similar black reference levels are established for the television and auxiliary signals by means of respective clamping circuits, which operate at different times but with respect to the same clamping reference voltage.

517924

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