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.

Date of Patent:
Jan. 10, 2017

Filed:

Jul. 27, 2015
Applicant:

Fuji Xerox Co., Ltd., Tokyo, JP;

Inventors:

Kazuya Fukunaga, Kanagawa, JP;

Kiyofumi Aikawa, Kanagawa, JP;

Takashi Hiramatsu, Kanagawa, JP;

Masaki Hachisuga, Kanagawa, JP;

Michio Kikuchi, Kanagawa, JP;

Hideki Moriya, Kanagawa, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/60 (2006.01); H04N 1/00 (2006.01);
U.S. Cl.
CPC ...
H04N 1/6047 (2013.01); H04N 1/0005 (2013.01); H04N 1/00013 (2013.01); H04N 1/00023 (2013.01); H04N 1/00045 (2013.01); H04N 1/00087 (2013.01); H04N 1/00602 (2013.01); H04N 2201/0006 (2013.01); H04N 2201/0081 (2013.01); H04N 2201/0082 (2013.01); H04N 2201/0094 (2013.01);
Abstract

Provided is an image reading device including an irradiation section that irradiates a reading position with light, a color chart that includes plural color patches, and that is provided on a curved surface of a rotatable roller, an image capturing section that captures an image of the color chart at the reading position, and that outputs image signals which express the captured image, a correction section that corrects the image signals using a correction coefficient corresponding to the curved surface, and a calibration section that performs calibration using the image signals, which are corrected by the correction section, and representative color values of the plural color patches, the representative color values being stored in advance.


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