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:
Jan. 24, 2017
Filed:
May. 16, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Shun Sato, Ashigarakami-gun, JP;
Masataka Mochizuki, Mishima, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus for forming an image on a sheet includes an image bearing drum; a charging member for charging the drum by applying a voltage while contacting the drum; an AC voltage generating unit for generating and applying an AC voltage to the charging member; a state detector for detecting a state of the apparatus; a discharge current detector for detecting a discharge current between the charging member and the drum; a discharge current control unit for controlling the AC voltage generating unit on the basis of a result of detection of the discharge current detector; and a discriminating unit for discriminating whether to calibrate the discharge current detector before formation of the image, in accordance with a result of detection of the state detector.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile