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:
Apr. 12, 2016
Filed:
Jul. 18, 2014
Applicants:
Katsuhiko Maeda, Kanagawa, JP;
Tadashi Shinohara, Kanagawa, JP;
Yuugo Matsuura, Kanagawa, JP;
Inventors:
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41J 2/385 (2006.01); B41J 2/47 (2006.01); G03G 15/043 (2006.01); G03G 15/04 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01); G03G 15/04072 (2013.01);
Abstract
An optical scanning device includes a light source emitting light to form an image by optical scanning; and a control section generating a control signal, which is for turning on and off the light source, based on an image signal. Further, the control section generates a pulse signal having a predetermined time width when the image signal indicates that the light source is to be turned off.