Importance

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Abstract

A regulated ultrasonic generator operable for supplying a driving signal to an ultrasonic transducer is disclosed. The generator includes: a power supply; a bridge inverter circuit for generating a power signal having two alternating components of opposite potential; a timing circuit for generating a timing signal equal in frequency to the desired frequency of the power signal; a bridge driver circuit for periodically generating base drive signals for switching on the bridge inverter circuit; a bridge modulating circuit for controlling the amount of time during each cycle that the bridge inverter circuit is on so as to regulate the power content of the power signal; and means for supplying the power signal to the ultrasonic transducer.

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First Claim