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. 05, 2013
Filed:
Aug. 10, 2011
Atsushi Sugai, Kanagawa, JP;
Atsushi Sugai, Kanagawa, JP;
Ricoh Company, Limited, Tokyo, JP;
Abstract
An image reading device that can be incorporated in an image forming apparatus includes a housing including a first housing member having a document reading area and a second housing member attached to the first housing member, a document reading unit disposed inside the housing to read a document while moving in a sub-scanning direction of the housing, a document reference line formed on the first housing member to position the document placed on the document reading area in the sub-scanning direction, and a reference position detector positioned on a plane surface of a square that extends perpendicular to the document reading area along a main scanning direction of the document reference line to detect a reference position of the document reading unit as the document reading unit moves in the sub-scanning direction.