Image heating apparatus

Details Image heating apparatus Image heating apparatus

1997-03-20

1999-11-30

Pelham, Joseph

Electric heating

Heating devices

Combined with diverse-type art device

399 69, 399329, G03G 1520

Patent

active

059946717

ABSTRACT:
The present invention provides an image heating apparatus comprising a heating member having a first heating resistor and a second heating resistor, a temperature detecting element for detecting a temperature of the heating member, and a power supply control means for controlling power supply to the first and second heating resistors so that detected temperature of the temperature detecting element is maintained a set temperature. The power supply control means sends the power supply to the first heating resistor in a first power supply pattern, and sends the power supply to the second heating resistor in a second power supply pattern different from the first power supply pattern.

REFERENCES:
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patent: 5114337 (1992-05-01), Yamazaki
patent: 5365314 (1994-11-01), Okuda et al.
patent: 5376773 (1994-12-01), Masuda et al.
patent: 5444521 (1995-08-01), Tomoyuki et al.
patent: 5464964 (1995-11-01), Okuna et al.
patent: 5534987 (1996-07-01), Ohtsuka et al.
patent: 5592276 (1997-01-01), Ohtsuka et al.
patent: 5621510 (1997-04-01), Okuda et al.
Patent Abstracts of Japan, vol. 018, No. 414 (E-1587), Aug. 3, 1994 & JP 06-121523 (Fuji Xerox Co. Ltd.), Apr. 28, 1994.

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