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:
Jun. 09, 2015
Filed:
Feb. 11, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Fumitake Hirobe, Ushiku, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image forming apparatus includes an image bearing member which bears an electrostatic latent image, a development device which includes a developer bearing member conveying developer, a developing container containing the developer, and a stirring member stirring the developer inside the developing container. In addition, a first detecting portion detects information regarding humidity of the developer, a second detecting portion is disposed at a different position from the first detecting portion and detects information regarding humidity of the developer, and a controller starts image forming after driving the stirring member for a predetermined period after receiving an image forming signal. The controller controls to extend the predetermined period when a difference between the detecting result from the first detecting portion and the second detecting portion is larger than a predetermined value.