Ultrasonic generator with a piezoelectric converter
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United States of America Patent
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-
Jun 9, 1992
Grant Date -
N/A
app pub date -
Jul 16, 1990
filing date -
Aug 1, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In an ultrasonic generator the driver circuit of a piezoelectric converter is provided with a switching regulator under control of a microcomputer, the pulse duty factor and frequency of the switching regulator being controlled in response to the converter's impedance which is detected by means of a measuring circuit.
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