Energy-dispersal signal rejection circuit and method

Details Energy-dispersal signal rejection circuit and method Energy-dispersal signal rejection circuit and method

H - Electricity

04

B

325/12

H04B 7/185 (2006.01) H04N 5/21 (2006.01) H04N 7/045 (2006.01) H04N 7/20 (2006.01)

Patent

CA 1303139

ABSTRACT OF THE DISCLOSURE An energy-dispersal signal rejection circuit adapted for use in a direct-broadcast-from-satellite system rejects an energy-dispersal signal from an input signal which includes a video signal composed with the energy-dispersal signal by generating a cancellation signal synchronized with, and having a phase and amplitude determined in accordance with the energy-dispersal signal, and such cancellation signal is composed with the input signal, for example by adding the two signals, so that the energy-dispersal signal is cancelled from the input signal and the video signal is produced as an output signal. AC12:01

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