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. 03, 2014
Filed:
Oct. 12, 2012
Canon Kabushiki Kaisha, Tokyo, JP;
Daizo Fukuzawa, Mishima, JP;
Toru Imaizumi, Kawasaki, JP;
Mahito Yoshioka, Numazu, JP;
Noriaki Sato, Suntou-gun, JP;
Munehito Kurata, Suntou-gun, JP;
Kuniaki Kasuga, Mishima, JP;
Yoshimichi Ikeda, Numazu, JP;
Hiromitsu Kumada, Susono, JP;
Satoru Koyama, Mishima, JP;
Toshifumi Kitamura, Numazu, JP;
Atsunobu Mori, Numazu, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
The image forming apparatus includes a fixing portion, a temperature detection element, and a power control portion. The power control portion is capable of setting a first power supply control mode for supplying power according to the detected temperature for each one control cycle, a second power supply control mode for supplying power according to the detected temperature for each one control cycle and a third power supply control mode for supplying predetermined power, and switches, immediately before a leading edge of the recording material enters the fixing portion, a state of supplying the power in the first power supply control mode to a state of supplying the power in the second power supply control mode, and then switches the state of supplying the power in the second power supply control mode to a state of supplying the power in the third power supply control mode.