Color display circuit

Details Color display circuit Color display circuit

1990-01-04

1991-10-22

Britton, Howard W.

Facsimile and static presentation processing

Static presentation processing

Attribute control

340701, 340703, G09G 128, H04N 968

Patent

active

050600559

ABSTRACT:
A color display circuit is disclosed which comprises: a video signal input section for receiving color information data, intensity information data, and vertical and horizontal synchronizing signals; a color mode selecting section for selectively outputting color mode selecting signals; a color mode converting section for selecting and outputting the intensity information data; a color selecting section for selecting and outputting the corresponding color signals; a video signal combining section for outputting electron gun controlling signals; an intermediate color forming section for letting the video signal combining section form an intermediate color; and a luminance adjusting section for controlling the levels of the electron gun controlling signals. The circuit of the present invention is capable of operating the 16-color/64-color modes within the same circuit and capable of displaying intermediate colors. Further, the circuit becomes simple.

REFERENCES:
patent: 4746970 (1988-05-01), Hosokawa
patent: 4894653 (1990-01-01), Frankenbach
patent: 4929933 (1990-05-01), McBeath

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