The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 18, 2017
Filed:
Dec. 13, 2010
Akitoshi Yamada, Yokohama, JP;
Fumitaka Goto, Tokyo, JP;
Tomokazu Ishikawa, Kawasaki, JP;
Tohru Ikeda, Yokohama, JP;
Nobutaka Miyake, Yokohama, JP;
Makoto Torigoe, Tokyo, JP;
Akitoshi Yamada, Yokohama, JP;
Fumitaka Goto, Tokyo, JP;
Tomokazu Ishikawa, Kawasaki, JP;
Tohru Ikeda, Yokohama, JP;
Nobutaka Miyake, Yokohama, JP;
Makoto Torigoe, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image processor, a printing apparatus, and an image processing method are provided that can reduce, when a plurality of types of inks are used to print an image, the color unevenness that is caused by the variation of ejecting characteristics among a pluralities of nozzles. To realize this, for a color formed by overlapping at least two colors of inks, parameters are prepared that are determined so as to reduce the color difference in the printing medium due to the variation of the ejecting characteristic among the respective pluralities of nozzles. During printing, the parameters are used to correct the first color signal owned by the individual pixels to the second color signal.