Fixing apparatus for changing the duty cycle of electric current

Details Fixing apparatus for changing the duty cycle of electric current Fixing apparatus for changing the duty cycle of electric current

1992-04-08

1995-11-07

Grimley, A. T.

Photocopying

Contact printing

Light boxes

219216, 355208, G03G 1520

Patent

active

054651417

ABSTRACT:
A fixing apparatus having a heating member maintained at a predetermined fixing temperature and an electric supply device for supplying an electric current to the heating member, wherein the electric supply device supplies an electric current at a second duty cycle larger than a first duty cycle after an electric current is supplied at the first duty cycle from the time the supply of the electric current is started to the heating member until a fixing temperature is reached.

REFERENCES:
patent: 3398259 (1968-08-01), Tregay et al.
patent: 4270693 (1981-06-01), Hayes
patent: 4905051 (1990-02-01), Satoh et al.
patent: 4963943 (1990-10-01), Tamary
Patent Abstracts of Japan, vol. 8, No. 60, Mar. 22, 1984, English Abstract of Japanese Patent No. 58-209771.
Patent Abstracts of Japan, vol. 14, No. 487, Oct. 23, 1990, English Abstract of Japanese Patent No. 2-197908.
Patent Abstracts of Japan, vol. 8, No. 45, Feb. 28, 1984, English Abstract of Japanese Patent No. 58-197524.

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