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:
Mar. 22, 2011

Filed:

Jan. 22, 2007
Applicant:

Hiroshi Morisaki, Aichi, JP;

Inventor:

Hiroshi Morisaki, Aichi, JP;

Assignee:

Brother Kogyo Kabushiki Kaisha, Nogoya-shi, Aichi-ken, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01); H04N 1/46 (2006.01);
U.S. Cl.
CPC ...
Abstract

There is provided an image reading device, which comprises an illumination unit configured to diffuse light from light sources in a predetermined scanning direction to illuminate an object with diffused light, a reading unit having photoreceptors aligned in the predetermined scanning direction to receive light reflected from the object, a detection unit configured to detect lighting status of the light sources; and a controller that obtains an image of the object by using a normal one of the light sources as a main light source if at least one of the light sources is in an abnormal state.


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