High-frequency induction heating apparatus

Details High-frequency induction heating apparatus High-frequency induction heating apparatus

1990-08-06

1992-01-07

Leung, Philip H.

Electric heating

Metal heating

Of cylinders

219 1071, 363 56, 323902, H05B 606

Patent

active

050793993

ABSTRACT:
A high-frequency induction heating apparatus of an inverter type includes a high-frequency oscillator using a plurality of switching elements turning on and off at a high speed. A control unit for controlling the high-frequency oscillator includes a plurality of driving circuits for driving the switching elements and a control circuit for controlling the respective driving circuits, and interconnection between the driving circuits and the control circuit is made by optical fiber cables so that influence by external electromagnetic induction is not effected to operate the high-frequency induction heating apparatus effectively.

REFERENCES:
patent: 4484295 (1984-11-01), Bedard et al.
patent: 4654770 (1987-03-01), Santurtun et al.
patent: 4673864 (1987-06-01), Dessens et al.
patent: 4816980 (1989-03-01), Wiendl

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