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:
Sep. 01, 2015

Filed:

Jul. 23, 2014
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Masahiro Kawanishi, Yokohama, JP;

Hikaru Watanabe, Yokohoma, JP;

Haruo Ishizuka, Ichikawa, JP;

Takashi Awai, Chiba, JP;

Toshihide Wada, Yokohama, JP;

Makoto Takemura, Tokyo, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01); H04N 1/00 (2006.01); H04N 1/10 (2006.01);
U.S. Cl.
CPC ...
H04N 1/00819 (2013.01); H04N 1/1013 (2013.01);
Abstract

An image reading device includes: a sensor unit; a first reading part at which the sensor unit reads a document through a first transparent member; a second reading part at which the sensor unit reads a document through a second transparent member different from the first transparent member; and a color reference, wherein measurement of the color reference is able to be performed through the first transparent member by the sensor unit for calibration for reading at the first reading part, and measurement of the color reference is able to be performed through the second transparent member by the sensor unit for calibration for reading at the second reading part.


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