Heater having an offset temperature detecting element and image

Details Heater having an offset temperature detecting element and image Heater having an offset temperature detecting element and image

1998-01-30

1999-07-06

Lee, S.

Electrophotography

Image formation

Fixing

219216, 399335, G03G 1520

Patent

active

059207574

ABSTRACT:
In an image heating apparatus, a film has one face in sliding contact with a heater having a heat generating portion on a substrate. The other face of the film contacts a recording material bearing an image. The film moves with the recording material and the image on the recording material is heated by heat generated by the heater which is transmitted through the film. A temperature detecting element detects the temperature of the heater. The heat generating portion of the heater has a first heat generating portion and a second heat generating portion on the downstream side of the first heat generating portion with respect to the moving direction of the film. The middle of the temperature detecting element is positioned at the upstream side of the middle between the first and second heat generating portions with respect to the moving direction of the film.

REFERENCES:
patent: 5162634 (1992-11-01), Kusaka et al.
patent: 5306898 (1994-04-01), Yukawa et al.
patent: 5338919 (1994-08-01), Tagashira et al.
patent: 5376773 (1994-12-01), Masuda et al.
patent: 5444521 (1995-08-01), Tomoyuki et al.
patent: 5464964 (1995-11-01), Okuda et al.
patent: 5621510 (1997-04-01), Okuda et al.
patent: 5732318 (1998-03-01), Natsuhara et al.
U.S. application No. 08/925,618, Ohtsuka, filed Sep. 9, 1997.

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