Ink-jet printed product
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United States of America Patent
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-
Aug 7, 2001
Issued Date -
N/A
app pub date -
Apr 30, 1999
filing date -
Jul 21, 1994
priority date (Note) -
In Force
status (Latency Note)
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Abstract
An ink-jet printed product is formed by printing an image with a plurality of similar color inks having different concentrations and a special ink having a single concentration. In the product, graininess resulting from ink dots is decreased for all hues of the printed image. A decision is made as to whether or not a hue of an image to be printed can be printed with inks without the special ink of a color (for example, special color BL (blue)) having a single concentration. When it is decided that the hue of the image is to be printed with inks without the special color ink, data on ink color BL (blue) is decomposed into data on C (cyan) and data on M (magenta). The hue can be printed without the color BL, thereby significantly decreasing graininess in a portion having this hue.
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