Image heating apparatus capable of controlling number of waves i

Details Image heating apparatus capable of controlling number of waves i Image heating apparatus capable of controlling number of waves i

1993-04-12

1994-11-22

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

355290, 219216, 219492, G03G 1520

Patent

active

053673697

ABSTRACT:
An image heating apparatus including a heater which is stationary in use; a film movable together with a recording material in sliding contact with the heater, an image on the recording material being heated through the film by the heat from the heater, in a predetermined heating width; power supply source for supplying alternating power to the heater; a controller for controlling a number of waves of the power imparted to the heater in a predetermined unit of time; wherein the unit of time, a moving speed of the film, and the heating width of the heater satisfy:

REFERENCES:
patent: 4998121 (1991-03-01), Koh et al.
patent: 5043763 (1991-08-01), Koh et al.
patent: 5149941 (1992-09-01), Hirabayashi et al.
patent: 5179263 (1993-01-01), Koh et al.
patent: 5225874 (1993-07-01), Koh et al.

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