Image fixing device capable of controlling heating overshoot

Details Image fixing device capable of controlling heating overshoot Image fixing device capable of controlling heating overshoot

1992-07-13

1995-08-22

Picard, Leo P.

Photocopying

Contact printing

Light boxes

355208, G03G 1520

Patent

active

054445213

ABSTRACT:
An image heating device which includes a heater; a temperature detecting element to detect a temperature of the heater; and a controller for controlling power supply to the heater, so that the temperature detected by the temperature detecting member is maintained at a predetermined temperature, and the controller controls the power supply to the heater, based on a rising speed of the temperature detected during a period from the time when the power supply to the heater is started till the time when the temperature reaches the predetermined temperature.

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patent: 4868368 (1989-09-01), Araki
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patent: 5114337 (1992-05-01), Yamazaki
patent: 5179263 (1993-01-01), Koh et al.
patent: 5241155 (1993-08-01), Koh et al.

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