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:
Jan. 15, 2013
Filed:
Feb. 04, 2009
Noriaki Orikasa, Kanagawa, JP;
Noriaki Orikasa, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image reading device includes a light source part in which plural point light sources are arrayed in parallel to a main scanning direction, a line sensor part in which plural light quantity sensors are arrayed in parallel to the main scanning direction, a reduction optical system containing a lens and focusing a reflected light beam indicating image information of a document irradiated by a light beam from the light source part, on the line sensor part to read the image information, and a control part configured to control a quantity of irradiating light of each point light source of the light source part in accordance with an optical characteristic of the lens of the reduction optical system.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile