Induction heating device and induction heat fixing device

Details Induction heating device and induction heat fixing device Induction heating device and induction heat fixing device

2007-04-17

2010-11-16

Gray, David M (Department: 2852)

Electrophotography

Image formation

Fixing

C399S328000, C219S672000, C219S675000

Reexamination Certificate

active

07835681

ABSTRACT:
An induction heating device of the invention is made to have a two-layer structure in which at an end of a magnetic core of an induction current generating coil, a litz wire of outside three turns is stacked on a litz wire of inside three turns. The width of a joint portion between plural induction current generating coils is made narrow, and a mutual induction current generated at the joint portion is reduced. Further, the whole length of the litz wire is shortened without changing the length of the magnetic core of the inductor current generating coil.

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