Image fixing apparatus having a pulsewisely energized heater

Details Image fixing apparatus having a pulsewisely energized heater Image fixing apparatus having a pulsewisely energized heater

1989-11-24

1993-07-06

Pendegrass, Joan H.

Photocopying

Contact printing

Light boxes

219216, 219492, 219497, 219501, G03G 1520

Patent

active

052258742

ABSTRACT:
An image fixing apparatus including a heater having a linear heat generating layer; a film movable together with a recording medium carrying thereon a toner image which is heated by heat generated by the heat generating layer through the film; energizing device for pulsewisely energizing the heat generating layer and for controlling a pulse width of the pulsewise energization in accordance with a voltage level of power supplied thereto.

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patent: 3810735 (1974-05-01), Moser
patent: 3863140 (1975-01-01), Easter et al.
patent: 4340807 (1982-07-01), Raskin et al.
patent: 4374321 (1983-02-01), Cunningham et al.
patent: 4566779 (1986-01-01), Coli et al.
patent: 4660057 (1987-04-01), Watanabe et al.
patent: 4661765 (1987-04-01), Bando et al.
patent: 4740671 (1988-04-01), Kuroda et al.
patent: 4811828 (1974-05-01), Ohta et al.

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