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:
Oct. 18, 2016
Filed:
Jul. 15, 2015
Applicant:
Ricoh Company, Ltd., Tokyo, JP;
Inventor:
Yukio Itami, Kanagawa, JP;
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/08 (2006.01); G03G 15/04 (2006.01); G02B 5/09 (2006.01); G02B 26/12 (2006.01); B41J 2/47 (2006.01);
U.S. Cl.
CPC ...
G03G 15/04036 (2013.01); B41J 2/471 (2013.01); G02B 5/09 (2013.01); G02B 26/12 (2013.01); G02B 26/121 (2013.01); G02B 26/123 (2013.01); G03G 15/04 (2013.01);
Abstract
An optical deflector including a rotary member supported by a bearing shaft and rotatively driven by a motor for deflecting a plurality of laser beams separated from each other in a rotational axis direction of the rotary member is disclosed. The optical deflector includes a polygon mirror having four sides arranged about the rotational axis direction. Each of the four sides is a continuous plane having a plurality of effective reflection areas separated from each other in the rotational axis direction.