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:
Mar. 19, 2024
Filed:
Oct. 21, 2022
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image forming apparatus includes an image forming unit includes a photosensitive member; a charging unit configured to uniformly charge the photosensitive member; an exposure unit configured to form an electrostatic latent image on the photosensitive member by scanning the charged photosensitive member with laser light; and a developing device configured to develop the electrostatic latent image to form an image on the photosensitive member, a reading unit configured to read a test image, which is formed by the image forming unit, for detecting image density of the image, and a controller configured to: control the image forming unit to form the test image; detect periodic fluctuation of the image density based on a detection result of the test image which is acquired by controlling the reading unit to read the test image; and correct an image forming condition to suppress the detected fluctuation.