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:
May. 01, 2012
Filed:
Jun. 16, 2009
Masahiro Itoh, Sagamihara, JP;
Yasuo Sakurai, Yokohama, JP;
Kiichiro Nishina, Yokohama, JP;
Nobuaki Ono, Yokohama, JP;
Masahiro Itoh, Sagamihara, JP;
Yasuo Sakurai, Yokohama, JP;
Kiichiro Nishina, Yokohama, JP;
Nobuaki Ono, Yokohama, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A lighting unit, includes: a light source section wherein a plurality of light-emitting sources are arranged in a direction perpendicular to a direction of each light-emitting optical axis of each light-emitting source and linearly at predetermined intervals; and a reflecting section which reflects light emitted toward a direction along a document mounting surface from the light source section arranged along the document mounting surface toward an irradiated region of the document mounting surface, the reflecting section having: a first reflecting surface disposed closer to the light source section than to the irradiated region; and a second reflecting surface disposed more distant from the light source section than from the irradiated region.