| 摘要 |
An ultrasonic bathing system comprising a bathtub for containing a bathing fluid, an ultrasonic transducer mounted on said bath, means for energizing said transducer to generate ultrasonic waves in the bathing fluid at a power and frequency for providing a mechanical cleaning action, and means for pulsing said energizing means to provide bursts of constant amplitude waves having a mark-space ratio dependent on the required power level.
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