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:
Sep. 28, 2009
Tomoaki Sakita, Kanagawa, JP;
Atsushi Ugajin, Kanagawa, JP;
Satoshi Kurashima, Kanagawa, JP;
Kohei Shioya, Kanagawa, JP;
Tetsuya Hori, Kanagawa, JP;
Tomoaki Sakita, Kanagawa, JP;
Atsushi Ugajin, Kanagawa, JP;
Satoshi Kurashima, Kanagawa, JP;
Kohei Shioya, Kanagawa, JP;
Tetsuya Hori, Kanagawa, JP;
Fuji Xerox Co., Ltd., Tokyo, JP;
Abstract
An exposure device includes a plurality of light emitting elements, a load, a first supplying unit and a second supplying unit. The first supplying unit supplies a driving current to one of (i) light emitting elements used to form an image among the plurality of light emitting elements and (ii) the load, in accordance with a modulation signal. The first supplying unit supplies a bias current to the other. The second supplying unit supplies the bias current to light emitting elements not used to form the image among the plurality of light emitting elements, regardless of the modulation signal.