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Title:
METHOD AND APPARATUS FOR PRINTING WITH UNIFORM AND NON- UNIFORM PRINTING MASK FUNCTIONS
Document Type and Number:
Japanese Patent JP3896329
Kind Code:
B2
Abstract:

PROBLEM TO BE SOLVED: To provide improved methods and apparatuses for greatly reducing or eliminating visible color phase shift banding in a bi-directional color printing device.
SOLUTION: The bi-directional printing device (102) is configured to use a plurality of color inks including at least one light color ink and at least one dark color ink. The method includes selectively printing at least one dark color ink to a printing medium on the basis of a non-uniform printing mask function (302). The method further includes selectively printing at least one light color ink to the printing medium on the basis of a substantially uniform printing mask function (400).


Inventors:
Stephen W Bower
Grant A Webster
Application Number:
JP2002366820A
Publication Date:
March 22, 2007
Filing Date:
December 18, 2002
Export Citation:
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Assignee:
HEWLETT-PACKARD COMPANY
International Classes:
B41J2/01; B41J2/21; B41J2/525; B41J19/14; (IPC1-7): B41J2/01; B41J2/525
Domestic Patent References:
JP2002036515A
JP2001096728A
Attorney, Agent or Firm:
Next student Okada
Naoya Fushimi
Yukari Hirano