Fm television signal receiving circuit

H - Electricity – 04 – N

Patent

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Details

350/86

H04N 5/04 (2006.01) H04K 1/02 (2006.01) H04N 7/045 (2006.01) H04N 7/171 (2006.01)

Patent

CA 1210142

ABSTRACT OF THE DISCLOSURE A receiving circuit for receiving an FM- modulated television signal with an energy dispersal signal superposed thereon is used for a television receiver for receiving the FM-modulated television signal. The receiving circuit is provided with a triangle wave signal generator for generating a triangle wave signal in synchronism with a vertical synchronizing signal. The energy dispersal signal superposed on the FM-modulated television signal is suppressed by frequency modulating an oscillation signal of a local oscillator by the triangle wave signal obtained.

431309

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