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. 14, 2019
Filed:
Sep. 11, 2017
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Yu Izaki, Suntou-gun, JP;
Tomoaki Nakai, Numazu, JP;
Yusaku Iwasawa, Mishima, JP;
Takamitsu Soda, Mishima, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G 21/16 (2006.01); G03G 15/00 (2006.01); G03G 15/02 (2006.01); G03G 15/16 (2006.01); G03G 21/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/80 (2013.01); G03G 15/0283 (2013.01); G03G 15/161 (2013.01); G03G 15/168 (2013.01); G03G 21/0017 (2013.01);
Abstract
When executing a job which is a series operations for forming images on a single or a plurality of transfer materials and outputting the transfer material(s), started by a start instruction, a control device switches a polarity of a voltage applied by a first transfer power source in response to a switching of a polarity of a voltage applied by a charging power source, and switches a voltage applied by a second transfer power source from a first voltage to a second voltage which is larger in absolute value than the first voltage.