Electrophotography – Image formation – Fixing
Reexamination Certificate
2005-02-01
2005-02-01
Chen, Sophia S. (Department: 2852)
Electrophotography
Image formation
Fixing
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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Ogasawara Takayuki
Suzuki Toshiya
Tanaka Takaaki
Yokozeki Ichiro
Chen Sophia S.
Finnegan Henderson Farabow Garrett & Dunner L.L.P.
Harison Toshiba Lighting Corp.
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