Color ink jet recording apparatus capable of high-quality printi

Details Color ink jet recording apparatus capable of high-quality printi Color ink jet recording apparatus capable of high-quality printi

1993-05-28

1997-01-21

Fuller, Benjamin R.

Incremental printing of symbolic information

Ink jet

Ejector mechanism

347 15, 358502, 358529, 395109, B41J 221, G06F 312, G06K 1500, H04N 146

Patent

active

055963552

ABSTRACT:
A dot judgment circuit judges whether there exists color information in dot-pattern-developed image data of pixels around a black pixel under attention. When not finding the existence of color information, the dot judgment circuit selects a head driver for driving a recording head for jetting a slow drying black pixel. When finding the existence of color information, the dot judgment circuit selects a head driver for a recording head for jetting a quick drying black ink or head drivers for recording heads for jetting quick drying Y, M and C inks.

REFERENCES:
patent: 4682216 (1987-07-01), Sasaki et al.
patent: 5168552 (1992-12-01), Vaughn et al.
patent: 5315382 (1994-05-01), Tanioka
patent: 5428377 (1995-06-01), Stoffel et al.

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