Ink-jet printing apparatus for performing printing with ink and

Details Ink-jet printing apparatus for performing printing with ink and Ink-jet printing apparatus for performing printing with ink and

1997-11-20

2000-08-08

Royer, William

Incremental printing of symbolic information

Ink jet

Medium and processing means

347103, 347107, B41J 201

Patent

active

06099116&

ABSTRACT:
When printing is performed by ejecting respective inks of black and cyan and a processing liquid, an OR data and an AND data are derived from an extracted data for the processing liquid derived from an ejection data of the black ink and an extracted data for the processing liquid derived from an ejection data for the cyan ink. An OR data of the OR data derived from the extracted data and data derived by shifting the AND data for one pixel, is taken as an ejection data for the processing liquid. By this, for the pixel, on which black and cyan are ejected in overlapping manner as represented by the AND data, the processing liquid is further ejected on a pixel adjacent thereto. Thus, the processing liquid in an amount corresponding to an ink ejection amount can be ejected to provide sufficient water-resistance.

REFERENCES:
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patent: 4558333 (1985-12-01), Sugitani et al.
patent: 4608577 (1986-08-01), Hori
patent: 4723129 (1988-02-01), Endo et al.
patent: 4740796 (1988-04-01), Endo et al.

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