Printing device, printing method, and printing control...

Details Printing device, printing method, and printing control... Printing device, printing method, and printing control...

2008-06-17

2008-06-17

Coles, Edward L. (Department: 2625)

Facsimile and static presentation processing

Static presentation processing

Attribute control

C358S504000

Reexamination Certificate

active

07388688

ABSTRACT:
The invention employs at least three chromatic colored inks as well as a chromatic colored ink that has a lower spectral reflectance at each wavelength region in which the spectral reflectance of these three colored inks is greater. The chromatic colored ink is added to the at least three colors to enable printing with minimal differences between colors seen under a certain standard light source and the same colors seen under another light source. It is thus possible to ensure printing with fewer changes in color as a result of changes in light source, such as the ability to produce colors having a generally constant spectral reflectance across all wavelengths by combining inks.

REFERENCES:
patent: 5949447 (1999-09-01), Arai et al.
patent: 6467869 (2002-10-01), Merz et al.
patent: 7029105 (2006-04-01), Matsuba et al.
patent: 7093932 (2006-08-01), Inokuchi et al.
patent: 2002-225317 (2002-08-01), None
Abstract of Japanese Patent Publication No. 2002-225317, Pub. Date: Aug. 14, 2002, Patent Abstracts of Japan.

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