| US 7,552,988 B2 | ||
| Determination of the combination of ink amount for realizing the specified colors | ||
| Yuko Yamamoto, Nagano-ken (Japan); and Yoshifumi Arai, Nagano-ken (Japan) | ||
| Assigned to Seiko Epson Corporation, Tokyo (Japan) | ||
| Filed on May 25, 2006, as Appl. No. 11/442,372. | ||
| Claims priority of application No. 2005-162861 (JP), filed on Jun. 02, 2005. | ||
| Prior Publication US 2006/0276978 A1, Dec. 07, 2006 | ||
| Int. Cl. B41J 29/38 (2006.01) | ||
| U.S. Cl. 347—19 [347/14; 347/15] | 12 Claims |
| 8. An ink amount determining apparatus for correlating the specified colors and ink amount comprising;
a specified color data acquiring unit for acquiring the specified color data showing the color value of the specified colors,
an ink amount data converting unit for converting the ink amount data showing any optional ink amount into color values,
an evaluation index acquiring unit for acquiring evaluation index including the first evaluation index for evaluating the
color difference between the color value of the specified colors and the color value of the ink amount under the standard
observation condition and the second evaluation index for evaluating the color difference among the color values obtained
under a plurality of observation conditions regarding the ink amount,
an ink amount correcting unit for evaluating whether the evaluation by the evaluation index meets the predetermined evaluation
standard or not, and repeat the conversion by the ink amount data converting unit and the acquisition of evaluation index
by the evaluation index acquiring unit by correcting the ink amount until the evaluation standard is met, and
and ink amount determining unit for correlating the ink amount data of the ink amount having met the evaluation standard and
the specified color data.
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