Induction heating roller apparatus, fixing apparatus and...

Electrophotography – Image formation – Fixing

Reexamination Certificate

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Details

C219S216000, C219S619000, C399S045000, C399S069000, C399S334000

Reexamination Certificate

active

06850728

ABSTRACT:
An induction heating roller apparatus has a heating roller capable of switching among a plurality of heating areas of different lengths according to a size of an object to be heated, a plurality of first induction coils opposed to a plurality of heating areas of the heating roller, and second induction coils placed opposite a part astride adjacent heating areas of the heating roller. A high frequency power supply provides high frequency power to the first and second induction coils. High frequency output is selectively supplied to the first induction coils and the second induction coils.

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