Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1978-03-07
1980-06-17
Moffitt, James W.
Facsimile and static presentation processing
Static presentation processing
Attribute control
3581285, 360 19, H04N 576
Patent
active
042086710
ABSTRACT:
An information signal recording system separates a color video signal into a luminance signal and a carrier chrominance signal. The frequency of the separated carrier chrominance signal is converted to a lower frequency band. A carrier is frequency modulated with at least one audio signal which is mixed with the separated luminance signal and the frequency converted carrier chrominance signal. A carrier is frequency modulated with the mixed signals, and recorded as a main information signal on a main information signal track of a recording medium. A system for reproducing the recording medium reproduces the recorded main information signal from the recording medium. The reproduced main information signal is frequency demodulated, and the resulting output signal is separated into the luminance signal and the frequency converted carrier chrominance signal. The converted carrier chrominance signal is returned to the original frequency and mixed with the separated luminance signal to produce a reproduced color video signal. The frequency modulated audio signal is separated from the frequency demodulated main information signal. The separated frequency modulated audio signal is then demodulated.
REFERENCES:
patent: 3872497 (1975-03-01), Amery
patent: 3969756 (1976-07-01), Palmer
patent: 4055848 (1977-10-01), Fearnside
patent: 4056832 (1977-11-01), Boer
Kinjo Hisao
Ozawa Keiji
Faber Alan
Moffitt James W.
Victor Company of Japan Ltd.
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