Color recording method and a color printer

Details Color recording method and a color printer Color recording method and a color printer

1996-12-12

1999-06-22

Coles, Edward L.

Facsimile and static presentation processing

Natural color facsimile

Color correction

358501, 358523, G03F 308

Patent

active

059147920

ABSTRACT:
In a color recording method of the invention, first, a first RGB signal and a second RGB signal are, respectively, converted into a first YMC signal and a second YMC signal. Next, in case that the color components Y, M and C shown by said second YMC signal do not exceed, respectively, the color components Y, M and C shown by said first YMC signal, printing is performed by means of a third YMC signal obtained by subtracting the color components Y, M and C of said second YMC signal, respectively, from the color components Y, M and C of said first YMC signal. On the other hand, in case that any of the color components Y, M and C shown by said second YMC signal exceeds its corresponding color component of the color components of Y, M and C shown by said first YMC signal, printing is performed by means of a fourth YMC signal for performing printing with said first YMC signal after performing printing with white.

REFERENCES:
patent: 5453853 (1995-09-01), Sakai et al.
patent: 5539539 (1996-07-01), Fujimoto
patent: 5612795 (1997-03-01), Dichter
patent: 5687300 (1997-11-01), Cooper
patent: 5760913 (1998-06-01), Falk

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