Color subcarrier generator

Details Color subcarrier generator Color subcarrier generator

1982-12-23

1985-12-10

Chin, Tommy P.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 17, H04N 944

Patent

active

045583498

ABSTRACT:
A color subcarrier generator used with a system for converting data representing color displays into a composite color video signal suitable for display by a visual display apparatus comprises an oscillator which generates a system clock signal with a predetermined frequency, a frequency divider responsive to the system clock signal from the oscillator which generates horizontal and vertical sync signals for the visual display apparatus and a dot clock signal for timing sequential dots of the horizontal lines of the composite color video signal into which the data is converted and a subcarrier generating circuit which generates a color subcarrier signal to be included in the composite color video signal and which is synchronized in phase with the horizontal sync signal.

REFERENCES:
patent: 4278972 (1981-07-01), Wozniak
patent: 4295157 (1981-10-01), Machida et al.

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