Fixing apparatus with power control based on temperature gradien

Electrophotography – Control of electrophotography process – Control of fixing

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Details

399 33, 399 68, 219216, G03G 1520

Patent

active

059872756

ABSTRACT:
The present invention provides a fixing apparatus comprising a heater generating heat by communication, a heat body to be heated by the heater, a temperature detection element for detecting an temperature of the heat body, and control means for switching warm-up control after the communication to the heater is started in accordance with a temperature change ratio of the heat body.

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patent: 5162855 (1992-11-01), Nakagama et al.
patent: 5220389 (1993-06-01), Kishimoto et al.
patent: 5241349 (1993-08-01), Nagasaka
patent: 5365314 (1994-11-01), Okuda et al.
patent: 5436709 (1995-07-01), Sakaizawa et al.
patent: 5465141 (1995-11-01), Asano et al.
patent: 5481346 (1996-01-01), Ohzeki et al.

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