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:
Feb. 18, 2014
Filed:
Dec. 22, 2009
Jiro Minabe, Kanagawa, JP;
Akira Tateishi, Kanagawa, JP;
Katsunori Kawano, Kanagawa, JP;
Shin Yasuda, Kanagawa, JP;
Yasuhiro Ogasawara, Kanagawa, JP;
Kazuhiro Hayashi, Kanagawa, JP;
Jiro Minabe, Kanagawa, JP;
Akira Tateishi, Kanagawa, JP;
Katsunori Kawano, Kanagawa, JP;
Shin Yasuda, Kanagawa, JP;
Yasuhiro Ogasawara, Kanagawa, JP;
Kazuhiro Hayashi, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
There is provided an exposure device including: a light-emitting element array at which a plurality of light-emitting elements, that emit light that passes through an optical path of diffused light, are arrayed one-dimensionally or two-dimensionally on a substrate; and a hologram element array at which a plurality of hologram elements are formed at positions, that respectively correspond to the plurality of light-emitting elements, of a hologram recording layer disposed on the substrate, so as to diffract and collect, at an outer side of illumination regions of all of the plurality of light-emitting elements, respective lights that are emitted from the plurality of light-emitting elements respectively.