Color television receiver comprising a chrominance signal proces

Details Color television receiver comprising a chrominance signal proces Color television receiver comprising a chrominance signal proces

1985-07-15

1987-06-30

Groody, James J.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 21R, H04N 593

Patent

active

046774637

ABSTRACT:
By including a counting circuit, optionally followed by a sample-and-hold circuit coupled to an output of a quadrature-component demodulator in a chrominance signal processing section of a color television receiver and providing a memory circuit for a presetting value, which memory circuit is coupled to a control signal input of a chrominance carrier oscillator via a digital-to-analog converter, a fast, sufficiently accurate automatic adjusting procedure for this oscillator can be obtained, while a normally provided control loop of the oscillator is made inoperative.

REFERENCES:
patent: 4405937 (1983-09-01), Kudo et al.
patent: 4482916 (1984-11-01), Acampora

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