Apparatus for magnetically recording and/or reproducing two-chan

Details Apparatus for magnetically recording and/or reproducing two-chan Apparatus for magnetically recording and/or reproducing two-chan

1985-03-07

1987-11-24

Richardson, Robert L.

Facsimile and static presentation processing

Facsimile

Recording apparatus

358343, 358330, 360 191, H04N 5782

Patent

active

047092750

ABSTRACT:
In an apparatus for magnetically recording and/or reproducing two-channel audio signals and a color video signal, the color video signal is processed to provide a frequency-modulated luminance signal and a frequency-converted chrominance signal in a band below that of the frequency modulated luminance signal, and the two-channel audio signals are processed to provide a frequency-modulated audio signal including alternated first and second segments respectively corresponding to the two-channel audio signals. The frequency-modulated audio signal is mixed with, and located between the frequency bands of the frequency-modulated luminance signal and the frequency-converted chrominance signal to provide a mixed signal which is recorded in successive oblique tracks on a magnetic tape. In the reproducing mode, the luminance and chrominance signals are obtained from the frequency-modulated luminance and frequency-converted chrominance signals in the mixed signal reproduced from the magnetic tape, and the frequency-modulated audio signal obtained from the mixed signal is demodulated to alternately provide the first and second segments which are separated from each other for producing the two-channel audio signals, respectively.

REFERENCES:
patent: 4477840 (1984-10-01), Kuth
patent: 4490754 (1984-12-01), Kluth
patent: 4564868 (1986-01-01), Arafune
patent: 4613912 (1986-09-01), Yoshioka et al.

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