Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1981-11-19
1984-12-25
Martin, John C.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358328, 358330, H04N 9493
Patent
active
044907494
ABSTRACT:
A recording system in a color video signal recording and/or reproducing system comprises a first filter for separating a luminance signal from a color video signal, a modulator for frequency-modulating the luminance signal, a second filter for separating a carrier chrominance signal from the color video signal, a first frequency converter for converting the frequency band of the carrier chrominance signal to a frequency band which is lower than frequencies occupied by the output luminance signal of the modulator, a superimposing circuit for superimposing the output of the frequency modulator and the output of the first frequency converter one on the other, a recording circuit for recording the superimposed signal onto a magnetic recording medium, a first separation circuit for separating a horizontal synchronizing signal from the color video signal, and a first frequency-converting signal forming circuit for forming a frequency-converting signal according to the horizontal synchronizing signal separated at the first separation circuit, to supply the separated horizontal synchronizing signal to the first frequency converter.
REFERENCES:
patent: 3820154 (1974-06-01), Faroudja et al.
patent: 3918085 (1975-11-01), Numakura et al.
patent: 4007482 (1977-02-01), Amari
patent: 4134126 (1979-01-01), Hirai
Bernat Louis
Martin John C.
McDowell Erin A.
Victor Company of Japan Ltd.
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