High-frequency induction heating apparatus
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United States of America Patent
Stats
-
Jan 7, 1992
Grant Date -
N/A
app pub date -
Aug 6, 1990
filing date -
Aug 6, 1990
priority date (Note) -
Expired
status (Latency Note)
Importance
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.
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