Color video drive circuit

Details Color video drive circuit Color video drive circuit

1984-08-02

1986-12-16

Masinick, Michael A.

Facsimile and static presentation processing

Static presentation processing

Attribute control

358 11, 358 13, 358 27, H04N 964

Patent

active

046301003

ABSTRACT:
A gain control and signal conversion stage in a data converter for a color video CRT display system is disclosed. The disclosed circuit includes capacitors for supplying current at a selected output voltage level, voltage followers for charging the capacitors, and modulators for forming low-level analog color signals for control of video amplifiers in a color CRT display. Digital control of video brightness or contrast and precise color tracking are features which are discussed.

REFERENCES:
patent: 4484229 (1984-11-01), Parker
patent: 4550338 (1985-10-01), Kojima
patent: 4553141 (1985-11-01), Flasza

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