Image heating apparatus changing set temperature in accordance w

Details Image heating apparatus changing set temperature in accordance w Image heating apparatus changing set temperature in accordance w

1992-12-08

1995-11-07

Paschall, Mark H.

Electric heating

Heating devices

With power supply and voltage or current regulation or...

219216, 219505, 219492, 340589, 323369, H05B 102

Patent

active

054649641

ABSTRACT:
An image heating apparatus includes a heater; temperature detector for detecting a temperature of the heater; electric power supply controller for controlling electric power supply to the heater during image heating, so that the temperature detector detects a predetermined set temperature; and a temperature determining device for determining the set temperature on the basis of a change of the temperature detected by the temperature detector when electric power supply to the heater is stopped.

REFERENCES:
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patent: 4853519 (1989-08-01), Tanaka et al.
patent: 4868368 (1989-09-01), Araki
patent: 4878092 (1989-10-01), Arai
patent: 4914476 (1990-04-01), Nishitsuji et al.
patent: 4920250 (1990-04-01), Urban
patent: 5026971 (1991-06-01), Payne
patent: 5179263 (1993-01-01), Koh et al.
patent: 5278394 (1994-01-01), Morino

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