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:
Mar. 25, 2014
Filed:
May. 02, 2012
Motoyoshi Takahashi, Osaka, JP;
Masayuki Hayashi, Osaka, JP;
Hiroaki Ikeda, Osaka, JP;
Kunihiro Komai, Osaka, JP;
Yoshinori Shirasaki, Osaka, JP;
Fuminori Tsuchiya, Osaka, JP;
Akinori Yamaguchi, Osaka, JP;
Tatsuya Miyadera, Osaka, JP;
Motoyoshi Takahashi, Osaka, JP;
Masayuki Hayashi, Osaka, JP;
Hiroaki Ikeda, Osaka, JP;
Kunihiro Komai, Osaka, JP;
Yoshinori Shirasaki, Osaka, JP;
Fuminori Tsuchiya, Osaka, JP;
Akinori Yamaguchi, Osaka, JP;
Tatsuya Miyadera, Osaka, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
In an optical scanner, when an emission control unit varies a period at which image data is output from an output buffer of the emission control unit in order to correct a sub scan magnification of a LED array and a vacant region of an input buffer of the emission control unit ceases to exist, a buffer control unit temporarily stores the image data in a vacant region of a memory of an image correcting unit, and transfers the image data temporarily stored in the memory to the input buffer when the vacant region is generated in the input buffer.