Method of controlling fixing temperature of powder image in elec

Details Method of controlling fixing temperature of powder image in elec Method of controlling fixing temperature of powder image in elec

1977-09-12

1979-12-25

Albritton, C. L.

Electric heating

Heating devices

Combined with diverse-type art device

219358, H05B 100

Patent

active

041807219

ABSTRACT:
A method of controlling the fixing temperature of a powder image comprises the steps of detecting electric power, which is supplied from a power source to a heating element that is contained in a powder image fixing unit to heat the image, by means of a power detector, and controlling the power supplied to the heating element in accordance with an output signal from the detector, thus preventing a variation in the fixing temperature which might result from a fluctuation in the source voltage.

REFERENCES:
patent: 3532855 (1970-10-01), Van Cleave
patent: 3783235 (1974-01-01), Sprague
patent: 3881085 (1975-04-01), Traister

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