Ink jet recording method and apparatus
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United States of America Patent
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Nov 30, 1999
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N/A
app pub date -
Oct 28, 1994
filing date -
Oct 28, 1993
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Abstract
An ink jet recording method uses black ink and a plurality of inks having different colors, which have ink penetration properties different from that of the black ink. The method includes generating multi-level black recording datum on the basis of a multi-level color recording datum of a discrimination pixel, wherein a ratio of generation of black recording datum is changed in accordance with a multi-level color recording datum of a pixel marginal to the discrimination pixel; and recording a color image on the basis of the multi-level color recording datum and the multi-level black recording datum generated by the generating step.
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