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. 03, 2016
Filed:
Oct. 03, 2014
Applicant:
Canon Kabushiki Kaisha, Tokyo, JP;
Inventors:
Tohru Nakaegawa, Nagareyama, JP;
Masanori Shida, Abiko, JP;
Assignee:
CANON KABUSHIKI KAISHA, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/16 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
G03G 15/1605 (2013.01); G03G 15/0189 (2013.01); G03G 15/1675 (2013.01); G03G 2215/0132 (2013.01);
Abstract
In an image forming apparatus including a power source for forming a secondary-transfer electric field at a secondary-transfer position and for forming a primary-transfer electric field at a primary-transfer position by applying a voltage to a transfer member to pass a current through a constant-voltage element, a potential of an image portion is controlled depending on a detection result of a detecting member.