Method of minimizing bleeding in printed products

Details Method of minimizing bleeding in printed products Method of minimizing bleeding in printed products

1995-06-07

1999-07-27

Yockey, David F.

Incremental printing of symbolic information

Ink jet

Controller

347 43, 358502, 358520, B41J 2205, B41J 221

Patent

active

059298740

ABSTRACT:
A method for alleviating a problem in color graphics printing that incompatible inks, such as true black and color inks, tend to bleed across color field boundaries includes depletion of yellow in the image data so that more blue content is present in the image data. For each pixel, the amount of correction is inversely related to the color saturation and a corresponding correction factor related to the amount of correction is selected to be less than or equal to a preselected maximum correction factor. The presence of blue ink dots within a substantially black field, resulting from the depletion of yellow, reduces bleed along the field edges.

REFERENCES:
patent: 4583116 (1986-04-01), Henning et al.
patent: 4665435 (1987-05-01), Miura
patent: 4682216 (1987-07-01), Sasaki et al.
patent: 5168552 (1992-12-01), Vaughn et al.

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