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, 1992
Filed:
Feb. 20, 1991
Applicant:
Inventors:
Hidekazu Maruta, Hachioji, JP;
Akira Yamamoto, Tokyo, JP;
Kensaku Kusaka, Kawasaki, JP;
Shigeo Kimura, Yokohama, JP;
Atsushi Hosoi, Kawasaki, JP;
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355282 ; 355219 ; 361221 ; 361225 ;
Abstract
A heating apparatus includes a heater; a film movable in contact with a recording material carrying an image, wherein the image is heated from the heater through the film; the film having an insulative heat resistive resin base layer at a side near the heater and a parting layer containing conductive material at a side near the recording material; a conductive member contacted or close to the base layer of the film; and a potential maintaining device for maintaining substantially the same potential of the parting layer and the conductive member.