Printing method, printing apparatus, corresponding table...

Details Printing method, printing apparatus, corresponding table... Printing method, printing apparatus, corresponding table...

2009-01-28

2011-10-18

Williams, Kimberly A (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S523000, C358S524000, C358S520000

Reexamination Certificate

active

08040563

ABSTRACT:
A method for printing an image includes: generating a third table in which a second table, indicating a relationship between one of a plurality of brightness values and an amount of ink of an achromatic color for representing the one of the brightness values, is embedded in the first table, indicating a relationship between a color defined by each of the first lattice points and amounts of the ink of the achromatic color and ink of chromatic colors; converting first RGB components of the image data corresponding to a character area into the RGB components defined by the some of the lattice points based on brightness values of the RGB components of the image data, thereby generating modified image data; converting the RGB components of the modified image data into amounts of the ink o; and printing the image in accordance with the converted amounts.

REFERENCES:
patent: 5768403 (1998-06-01), Suzuki et al.
patent: 7142716 (2006-11-01), Katsuyama et al.
patent: 2002/0154817 (2002-10-01), Katsuyama et al.
patent: 2006/0215909 (2006-09-01), Itonori et al.
patent: 2007/0296988 (2007-12-01), Tsuji
patent: 2009/0123071 (2009-05-01), Iwasaki
patent: 2006-197549 (2006-07-01), None

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