| 摘要 |
An apparatus for tuning and controlling an ultrasonic handpiece having a programmable broad spectrum source, a torsional single frequency source and a longitudinal single frequency source that generate a drive signal for an ultrasonic handpiece and a digital signal processor for analyzing a response signal generated by the handpiece in response to the drive signal and generating an adjusting signal for adjusting the torsional single frequency source and the longitudinal single frequency source.
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