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:
May. 06, 2014
Filed:
Jun. 01, 2011
Applicant:
Hiroaki Nagata, Osaka, JP;
Inventor:
Hiroaki Nagata, Osaka, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 21/00 (2006.01); B65H 7/02 (2006.01); B41J 29/38 (2006.01);
U.S. Cl.
CPC ...
Abstract
A controller for controlling an image forming apparatus having a light detection unit controls at least two operations including: 1) operation of detecting a jam of a recording sheet in a sheet transfer path based on a light intensity level detected by the light detection unit when image forming is performed; and 2) operation of controlling switching of an operation mode of the image forming apparatus to an energy save mode based on a light intensity level detected by the light detection unit.