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.

Date of Patent:
Dec. 14, 2021

Filed:

Jun. 16, 2020
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Tomohisa Itagaki, Abiko, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/00 (2006.01); G03G 15/01 (2006.01);
U.S. Cl.
CPC ...
G03G 15/5041 (2013.01); G03G 15/0131 (2013.01); G03G 15/5054 (2013.01); G03G 2215/00679 (2013.01);
Abstract

An image forming apparatus includes an image forming unit (LBP) to form an image on a sheet, a conveyance unit configured to convey the sheet, a sensor, which is configured to move in a direction perpendicular to a conveying direction in which the conveyance unit conveys the sheet, and to read the image on the sheet, and a controller. The image forming unit forms a first trigger image and a first pattern image on the sheet, and the image forming unit forms a second trigger image and a second pattern image at a position on the sheet different from a position of both the first trigger image and the first pattern image in the conveying direction. A formation area of the first trigger image in the direction perpendicular to the conveying direction overlaps with a formation area of the second pattern image.


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