Colour television system

Details Colour television system Colour television system

H - Electricity

04

N

350/38, 352/18.3

H04N 5/76 (2006.01) H04N 9/00 (2006.01)

Patent

CA 1060575

ABSTRACT: A colour television system for transmitting a colour television signal, specifically for recording on and subsequently reproducing from a record carrier. The colour 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 fre- quency 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 car- rier 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.

291076

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