Facsimile and static presentation processing – Facsimile – Specific signal processing circuitry
Patent
1979-08-02
1981-07-28
Murray, Richard
Facsimile and static presentation processing
Facsimile
Specific signal processing circuitry
455 44, 455307, H04N 544
Patent
active
042813484
ABSTRACT:
In apparatus for receiving a television signal which is made by a frequency-modulation by a video signal, the improvement is that a band-pass filter provided in the receiver for selectively taking out selected television signal is designed in a manner to have a center frequency shifted from a frequency corresponding to the center level of the video signal to the side of another frequency corresponding to white-signal level, so that noises of the picture in small signal receiving is decreased.
REFERENCES:
patent: 2315050 (1943-03-01), Crosby
patent: 3921077 (1975-11-01), Suzuki
Matsushita Electric - Industrial Co., Ltd.
Murray Richard
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