Facsimile and static presentation processing – Facsimile – Recording apparatus
Patent
1984-08-14
1987-02-03
Richardson, Robert L.
Facsimile and static presentation processing
Facsimile
Recording apparatus
358342, G11B 700, H04N 5781
Patent
active
046412042
ABSTRACT:
A recording and reproducing system records and reproduces signals on and from a disc, so that information signals including one of first and second system composite video signals are subjected to an analog modulation and recorded on analog recorded track turns on the disc, and digital signals made up of digital data or the like obtained by subjecting information signals to a digital modulation are recorded on digital recorded track turns on the disc. The digital signals are recorded on the digital recorded track turns on the disc with a predetermined transmission frequency, so that the digital signals are reproduced from the digital recorded track turns on the disc with an approximately constant transmission frequency when a first system disc recorded with the first system composite video signal is played on a reproducing apparatus primarily designed for playing a second system disc recorded with the second system composite video signal and when the second system disc is played on a reproducing apparatus primarily designed to play the first system disc.
REFERENCES:
patent: 4398224 (1983-08-01), Watanabe
patent: 4564945 (1986-01-01), Glover et al.
Meller Michael N.
Richardson Robert L.
Victor Company of Japan Ltd.
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