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:
Aug. 24, 2021

Filed:

Aug. 22, 2019
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Tomohiro Hashimoto, Abiko, JP;

Tsutomu Ishida, Suntou-gun, JP;

Masafumi Monde, Kawasaki, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/043 (2006.01); G03G 15/00 (2006.01);
U.S. Cl.
CPC ...
G03G 15/043 (2013.01); G03G 15/5029 (2013.01); G03G 15/6591 (2013.01); G03G 2215/00945 (2013.01); G03G 2215/2045 (2013.01);
Abstract

An image forming apparatus includes a conveyance unit, an irradiation unit, an image capturing unit configured to capture a plurality of times the light radiated by the irradiation unit and reflected on the recording material as surface images, an image formation unit, and a control unit, wherein the conveyance unit accelerates or decelerates a conveyance speed of the recording material in at least a part of an image capturing period during which the image capturing unit captures the surface images the plurality of times, and wherein the control unit obtains a feature quantity from a plurality of surface images captured by the image capturing unit and controls the image forming condition based on the obtained feature quantity and a threshold value set according to the conveyance speed of the recording material in the image capturing period.


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