Induction type heat fixing device

Details Induction type heat fixing device Induction type heat fixing device

1996-10-24

1998-08-11

Grimley, Arthur T.

Electrophotography

Diagnostics

Fixing

219216, 219497, 219663, 399 69, G03G 1520

Patent

active

057940967

ABSTRACT:
The present invention relates to an induction type heat fixing device. In the induction type fixing device, a high frequency current is supplied to a coil by switching an electric current supply to coil between a supply state and an interrupted state so that an induction current is generated in a fixing roller (heat-receiving member). The high frequency current is controlled in accordance with at least one of the voltage fluctuation of the electric power source, the amount of coil current and the coil voltage.

REFERENCES:
patent: 3816690 (1974-06-01), Mittelmann
patent: 4570044 (1986-02-01), Kobayashi et al.
patent: 4617442 (1986-10-01), Okuda
patent: 4810847 (1989-03-01), Ito
patent: 4994852 (1991-02-01), Matsuuchi et al.
patent: 5526103 (1996-06-01), Kato et al.
patent: 5555074 (1996-09-01), Haragakiuchi et al.

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