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. 27, 2015
Filed:
Nov. 07, 2013
Hiroshi Johno, Kanagawa, JP;
Keiichi Serizawa, Kanagawa, JP;
Daisuke Yoshida, Kanagawa, JP;
Kazunori Watanabe, Tokyo, JP;
Hiroshi Johno, Kanagawa, JP;
Keiichi Serizawa, Kanagawa, JP;
Daisuke Yoshida, Kanagawa, JP;
Kazunori Watanabe, Tokyo, JP;
RICOH COMPANY, LIMITED, Tokyo, JP;
Abstract
An optical scanning apparatus for optically scanning at least one scanning target surface, the optical scanning apparatus including: a light source; a light-flux dividing unit disposed on a main optical path of a main light flux emitted from the light source, and the light-flux dividing unit configured to spatially divide the main light flux; an optical deflector disposed on a divided optical path of the divided light flux, and the optical deflector configured to deflect the divided optical path; an optical path opening/closing switch unit disposed on the divided optical path between the light-flux dividing unit and the optical deflector, and the optical path opening/closing switch unit configured to interrupt or pass at least one of the divided optical path; and a controller configured to control operation of interrupting or passing the at least one of the divided optical path by the optical path opening/closing switch unit.