Magnetic recording/reproducing apparatus for video and sound

Details Magnetic recording/reproducing apparatus for video and sound Magnetic recording/reproducing apparatus for video and sound

1983-02-15

1985-12-03

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

360 191, H04N 578

Patent

active

045569177

ABSTRACT:
Disclosed is a magnetic recording/reproducing apparatus, in which a luminance signal and a carrier chrominance signal are separated from a composite color video signal, a luminance carrier signal is frequency-modulated with the luminance signal, a frequency of a subcarrier signal of the carrier chrominance signal is frequency-converted into a low band frequency so as to dispose the carrier chrominance signal in the frequency band lower than the lower side band of the luminance signal, a sound carrier signal is frequency-modulated with an aural signal, the aural signal is disposed in the frequency band between the luminance signal and the carrier chrominance signal, and the video signal and the aural signal are frequency-multiplexed and recorded. A comb line filter is inserted in a recording luminance signal processing circuit for separating the luminance signal from the composite color video signal and for processing the luminance signal.

REFERENCES:
patent: 4005474 (1977-01-01), Keizer
patent: 4170022 (1979-10-01), Kretschmer et al.

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