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:
Aug. 23, 2022
Filed:
Sep. 03, 2021
Canon Kabushiki Kaisha, Tokyo, JP;
Shinichi Isozaki, Saitama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes: an image forming unit configured to form an image on a sheet; a line sensor configured to read a sheet having test images formed thereon while the sheet having the test images formed thereon is conveyed; and a controller configured to: control the image forming unit to form the test images on the sheet; control the line sensor to read the sheet having the test images formed thereon; obtain read data related to the test images, the read data being output by the line sensor; and control, based on the read data, a geometric characteristic of an image to be formed on a sheet by the image forming unit, wherein the controller is configured to determine, in a reading area of the line sensor, whether dust is detected in a first area.