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. 21, 2026
Filed:
Jul. 19, 2024
Canon Kabushiki Kaisha, Tokyo, JP;
Nozomu Nakajima, Kanagawa, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image heating device includes a fixing member, a heater configured to heat the fixing member, and a heater control circuit configured to control the heater. The image heating device is configured to heat a toner image formed on a sheet. The heater includes a base substrate and a heat generating unit, the heat generating unit being provided on the base substrate and configured to generate heat when powered. The heater control circuit includes a first power supply channel through which a first power is supplied to the heat generating unit, a second power supply channel through which a second power lower than the first power is supplied to the heat generating unit, and a switch unit. The switch unit includes a semiconductor switch including a plurality of semiconductors, and is configured to selectively switch between the first and second power supply channels with the operation of the semiconductor switch.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile