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:
Feb. 17, 2015
Filed:
Aug. 20, 2013
Canon Kabushiki Kaisha, Tokyo, JP;
Yukihiro Miura, Toride, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
To accomplish this, an image forming apparatus of the present invention determines whether the temperature of an exposure unit is changing at a predetermined gradient or more, detects misregistration by forming patches and executes first registration adjustment amount calculation processing for detecting a registration adjustment amount, in a case where the temperature is not changing at the predetermined gradient or more, and executes second registration adjustment amount calculation processing for predicting the misregistration amount according to the temperature of the exposure unit measured by a first sensor, in a case where the temperature is changing at the predetermined gradient or more.