Image heating apparatus with multiple temperature detecting memb

Details Image heating apparatus with multiple temperature detecting memb Image heating apparatus with multiple temperature detecting memb

1994-04-12

1999-06-22

Braun, Fred L.

Electrophotography

Control of electrophotography process

Control of fixing

219216, 399329, G03G 1520

Patent

active

059151463

ABSTRACT:
An image heating apparatus includes a heater which heats an image on a recording material, which extends in a direction perpendicular to a moving direction of the recording material; a first temperature detecting member for detecting the temperature of the heater; power controlling device for controlling the power supplied to the heater, so that the temperature detected by the temperature detecting member remains constant; a second temperature detecting member which is positioned at a location apart, in the longitudinal direction of the heater, from where the first temperature detecting member is positioned; and an interrupting device for interrupting the imaging heating process in accordance with the temperature detected by the second temperature detecting member.

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patent: 5303015 (1994-04-01), Sato

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