Image heating apparatus with control for phase control of altern

Details Image heating apparatus with control for phase control of altern Image heating apparatus with control for phase control of altern

1997-10-06

1999-05-25

Grimley, Arthur T.

Electrophotography

Control of electrophotography process

Control of fixing

399 67, G03G 1520

Patent

active

059077433

ABSTRACT:
An image heating apparatus has a heating member for heating an image on a recording material, a temperature detecting element for detecting the temperature of the heating member, and an electric power supply controller for phase-controlling an alternating current supplied to the heating member in conformity with the detected temperature by the temperature detecting element. The alternating current supplied to the heating member differs in electric power supply starting phase angle in each half wave.

REFERENCES:
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patent: 4740671 (1988-04-01), Kuroda et al.
patent: 4905051 (1990-02-01), Satoh et al.
patent: 5051784 (1991-09-01), Yamamoto et al.
patent: 5204723 (1993-04-01), Hanada et al.
patent: 5321230 (1994-06-01), Shanklin et al.
patent: 5376773 (1994-12-01), Masuda et al.
patent: 5471288 (1995-11-01), Ohtsuka et al.

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