Facsimile and static presentation processing – Static presentation processing – Attribute control
Patent
1975-12-19
1977-08-30
Martin, John C.
Facsimile and static presentation processing
Static presentation processing
Attribute control
H04N 936, H04N 579
Patent
active
040458121
ABSTRACT:
A color television system for transmitting a color television signal, specifically for recording on and subsequently reproducing from a record carrier. The color television signal to be transmitted contains a first carrier which is frequency-modulated with the luminance information and a second carrier which is modulated with the chrominance information, whose frequency lies between zero and the first-order lower side band of the modulated first carrier which corresponds to the highest modulation frequency. Said second carrier does not have a fixed frequency, but is locked to the instantaneous frequency of the modulated first carrier by a constant integral ratio. Depending on the characteristics of the transmission medium and the signal processing equipment said ratio is preferably two or three.
REFERENCES:
patent: 3535433 (1970-10-01), Arimura et al.
patent: 3778794 (1973-12-01), Szabo
patent: 3852520 (1974-12-01), Bruch
patent: 3902010 (1975-08-01), Goshima
De Haan Maarten Rutger
Janssen Peter Johannes Michiel
Verhoeven Leonardus Adrianus Johannes
Martin John C.
Steckler Henry I.
Trifari Frank R.
U.S. Philips Corporation
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