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:
May. 30, 1995
Filed:
Feb. 26, 1992
Toshiyuki Itoh, Oyama, JP;
Toshihiko Inuyama, Fujisawa, JP;
Takeji Gima, Inagi, JP;
Hiroshi Hashimoto, Tokyo, JP;
Hiromichi Yamanaka, Kawasaki, JP;
Masanori Ishizu, Tokyo, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A heating apparatus comprising a heating member, energization element for energizing said heating member, a temperature detection member for detecting a temperature of said heating member, a first switching element for turning on/off energization by said energization means on the basis of the temperature detected by said temperature detection member, abnormal current detection element for detecting an abnormal current flowing through said heating member, a second switching element for turning off energization by said energization element, and energization stop member for operating said second switching element to turn off energization.