Apparatus and method for detecting a condition in an inductive h

Details Apparatus and method for detecting a condition in an inductive h Apparatus and method for detecting a condition in an inductive h

1997-08-27

2000-03-14

Leung, Philip H.

Electric heating

Inductive heating

With heat exchange

219665, 219667, 399330, H05B 608

Patent

active

060375760

ABSTRACT:
An induction heating fixing device is disclosed which is provided with a conducting sleeve, a coil for causing the sleeve to generate an induced current, and a high-frequency power source for feeding a high-frequency wave to the coil. This fixing device detects the switching cycle of the high-frequency power source and the electric power injected into the sleeve and, based on the detected switching cycle and the detected electric power, controls the amount of electric current to be fed from the high-frequency power source to the coil.

REFERENCES:
patent: 2871940 (1959-02-01), Meunier
patent: 3187150 (1965-06-01), France
patent: 3686460 (1972-08-01), Lamparter et al.
patent: 5434389 (1995-07-01), Griebel
patent: 5739506 (1998-04-01), Hanton et al.
patent: 5752148 (1998-05-01), Yoneda et al.

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