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:
Jun. 08, 2021
Filed:
Feb. 03, 2020
Canon Kabushiki Kaisha, Tokyo, JP;
Hiroshi Kataoka, Suntou-gun, JP;
Atsushi Iwasaki, Susono, JP;
Hirokazu Okugawa, Mishima, JP;
Munehito Kurata, Suntou-gun, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
In a fixing apparatushaving a heatercapable of selectively causing a plurality of heat generating blocks divided in a longitudinal direction of a substrateto generate heat, an energization control portionacquires, when performing a fixing operation, a cumulative amount of heat generation in each of a plurality of heating areas, a cumulative rotation time of a pressure roller, and information on a recording material that passes through a fixing nip portion, and controls energization of heat generating elementsandon the basis of the acquired information.