Positive feedback resonant transducer circuit
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United States of America Patent
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-
Jun 12, 2001
Grant Date -
N/A
app pub date -
Feb 14, 2000
filing date -
Jul 16, 1998
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A circuit including a transformer, preferably a laminated piezoelectric transducer, in combination with a positive feedback amplifier circuit, capable of serving: 1) to produce either an audible or ultrasonic signal; or 2) as an energy source capable of driving an auxiliary high voltage device with an initial and continuing low voltage source such as a battery.
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