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:
Mar. 21, 2000
Filed:
May. 04, 1998
Applicant:
Inventor:
Michihito Yamazaki, Tokyo, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
219216 ; 399 69 ; 399329 ;
Abstract
The present invention provides an image heating apparatus comprising a heater, a film sliding, and a back-up member. The heater includes a first heat-generating member for generating heat by electric power supply thereto, and a second heat-generating member, provided at the downstream side of the first heat-generating member with respect to the moving direction of the recording material, for generating heat by electric power supply thereto, and the first and second heat-generating members are so controlled that the ratio of the amounts of heat generation thereof varies depending on the presence or absence of the recording material in the nip.