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:
Nov. 13, 2012

Filed:

Jan. 14, 2010
Applicants:

Masaya Tashiro, Osaka, JP;

Yoshiaki Tabata, Osaka, JP;

Kei Tanaka, Osaka, JP;

Masayuki Sago, Osaka, JP;

Inventors:

Masaya Tashiro, Osaka, JP;

Yoshiaki Tabata, Osaka, JP;

Kei Tanaka, Osaka, JP;

Masayuki Sago, Osaka, JP;

Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 1/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

An embodiment of an image reading device may include a light source, an image reading unit, a drive control unit, a white reference member, a chromaticity detecting unit, a reference value storage unit, a chromaticity change calculating unit, and/or a control unit. An embodiment may include a photoelectric conversion element that reads an image illuminated by the light source. In some embodiments, may measure the chromaticity of a white reference member. In some embodiments, a reference value storage unit may store a reference value representing the chromaticity of an image. In an embodiment, a control unit may control an operation of the device according to the calculated amount of chromaticity change. An embodiment may include measuring the luminous intensity of a light source and storing a reference value representing the luminous intensity of the light source. Some embodiments may include making adjustments to images.


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