Fixing device with an air layer between a magnetic field generat

Details Fixing device with an air layer between a magnetic field generat Fixing device with an air layer between a magnetic field generat

1999-09-01

2000-10-24

Royer, William J.

Electrophotography

Image formation

Fixing

219216, G03G 1520

Patent

active

061379859

ABSTRACT:
A fixing device includes a heating belt made of a conductive material, a pair of belt stretching rollers on which the heating belt is wound, and a pressure roller pressed against the heating belt via a specified nipping portion. A magnetic field generating unit is arranged opposed to the back of the heating belt at a portion equivalent to the nipping portion of the heating belt via an air layer for generating eddy current on the surface of the heating belt, and a power source applies high-frequency current to the magnetic field generating unit.

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patent: 5832354 (1998-11-01), Kouno et al.
patent: 5870660 (1999-02-01), Ito et al.
patent: 5881349 (1999-03-01), Nanataki et al.

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