High frequency arc stabilizer

Details High frequency arc stabilizer High frequency arc stabilizer

1986-08-25

1988-08-30

Shaw, Clifford C.

Electric heating

Metal heating

By arc

219137PS, B23K 906

Patent

active

047679123

ABSTRACT:
A high frequency arc stabilizing circuit includes a free running oscillator for generating a non-synchronized square wave. An output from the oscillator is buffered and inverted. The asserted and inverted outputs drive field effect transistors coupled to the primary of a high voltage step-up transformer. The circuit can also be gated so as to only operate during selected time intervals.

REFERENCES:
patent: 3876855 (1975-04-01), Hirasawa et al.
patent: 4418265 (1983-11-01), Tabata et al.

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