Electrophotography – Image formation – Fixing
Patent
1995-04-25
1997-09-09
Brase, Sandra L.
Electrophotography
Image formation
Fixing
399335, G03G 1520
Patent
active
056666276
ABSTRACT:
A fixing device comprises a heat roller constructed from a material which generates heat by eddy currents, an induction heating element which causes the heat roller to generate the eddy currents by electromagnetic induction, and pressing roller for pressing an ink material-applied recording medium against the heat roller. The induction heating element comprises an arc-section insulating support placed adjacent to the surface of the heat roller and a conductive line through which flows a drive current which causes electromagnetic induction resulting in the passage of the eddy currents. The heat roller is excited by the magnetic flux provided by the passage of the drive current through the conductive line of the induction heating element, thereby generating the eddy currents. The eddy currents cause Joule heat which heats the heat roller.
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Brase Sandra L.
NEC Corporation
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