Method of ink jet recording and ink jet recording apparatus

Details Method of ink jet recording and ink jet recording apparatus Method of ink jet recording and ink jet recording apparatus

1988-06-20

1989-08-08

Hartary, Joseph W.

Recorders

Performance of multiple functions of steam and gas engines

Pressure responsive element

346140R, 358 80, G01D 1516

Patent

active

048557536

ABSTRACT:
Disclosed is a method of ink jet recording for forming a color image including a color-mixed portion by using a plurality of colored inks for at least one of which a plurality of inks having different dyestuff densities are used, the method comprising: compensating OD value data concerning discharge of ink in accordance with a rate of change in the OD value of an image due to a change in the amount of ink supplied and a total amount of ink supplied per picture element. Also disclosed is an ink jet recording apparatus for forming a color image by using a plurality of colored inks and expressing gradations by varying the amounts of inks discharged by using for at least one color a plurality of inks having different dyestuff densities, the ink jet recording apparatus comprising: a device for outputting a compensating value in which an increment in the OD value during mixing of colors is subtracted on the basis of information on a total amount of the inks to be discharged, information on which of the plurality of the inks having the different dyestuff densities is to be used, and information on the OD value of the ink.

REFERENCES:
patent: 4631578 (1986-12-01), Sasaki
patent: 4635078 (1987-01-01), Sakurada
patent: 4727436 (1988-02-01), Kawamura

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