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:
Jul. 28, 2026
Filed:
Mar. 18, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Masami Hano, Chiba, JP;
Masahiko Mizoguchi, Kanagawa, JP;
Keita Hidaka, Ibaraki, JP;
Hiromi Shimura, Ibaraki, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An image forming apparatus forms an image on a sheet and includes an image forming unit to acquire image data and form an image, a sensor detects a pattern image formed by the image forming unit, and a controller controls the image forming unit to form a first pattern image of a first number of tone levels, executes a first calibration for generating a first image forming condition based on a detection of the detected first pattern image, controls the image forming unit to form a second pattern image of a second number of tone levels fewer than the first, acquires information having a correlation to a density of an image formed by the image forming unit, and executes a second calibration for generating a second image forming condition based on the detection result of the second pattern image, the acquired information, and the first image forming condition.