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:
Jun. 30, 2015

Filed:

Sep. 05, 2013
Applicant:

Kabushiki Kaisha Toshiba, Tokyo, JP;

Inventors:

Seiji Ikari, Kanagawa-ken, JP;

Junji Miura, Kanagawa-ken, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H04N 1/04 (2006.01); H04N 1/40 (2006.01); H04N 1/028 (2006.01); G07D 7/12 (2006.01); G07D 7/16 (2006.01); G07D 7/20 (2006.01);
U.S. Cl.
CPC ...
H04N 1/02815 (2013.01); G07D 7/12 (2013.01); G07D 7/168 (2013.01); G07D 7/2008 (2013.01);
Abstract

According to one embodiment, an image reading apparatus includes an illumination unit to irradiate a sheet that is conveyed by a conveyance unit with visible light and infrared light, an imaging unit to receive visible light and infrared light reflected from the sheet and to capture a visible image and an infrared image, and a background member including an infrared light low reflective part that is positioned within an imaging range of the imaging unit so as to overlap at least a side edge portion of the sheet and that diffusely reflects visible light and reflects infrared light at a lower reflectance than the sheet.


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