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.
Patent No.:
Date of Patent:
Nov. 15, 2011
Filed:
May. 15, 2009
Takafumi Endo, Chiyoda-ku, JP;
Yohei Nokami, Chiyoda-ku, JP;
Takafumi Endo, Chiyoda-ku, JP;
Yohei Nokami, Chiyoda-ku, JP;
Mitsubishi Electric Corporation, Tokyo, JP;
Abstract
An image reading device having a compact plane-shaped illumination portion is provided, by which a portion of a target to be light-irradiated can be irradiated with light whose oblique angles are different from each other, and a transmission part of the target can be read. The image reading device includes a conveying means for conveying in a conveying direction a target to be light-irradiated including a transparent portion, a lens assembly, arranged on one side of the target, for focusing transmission light having passed through the transparent portion of the target, a sensor for receiving the transmission light focused by the lens assembly, a light source, positioned on the other side of the target, arranged in a main-scanning direction, and a light guide for guiding light from the light source in a sub-scanning direction, and the light guide having a reflective portion for reflecting the guided light and then irradiating a portion to be irradiated with the reflected light.