Driving apparatus

Driving apparatus

  • CN 101,373,940 A
  • Filed: 06/27/2008
  • Published: 02/25/2009
  • Est. Priority Date: 06/29/2007
  • Status: Active Application
First Claim
Patent Images

1. drive unit, this drive unit has the piezoelectrics as actuator, it is characterized in that, and described drive unit has:

  • First oscillator, it produces elliptical vibration by being applied in predetermined periodic voltage;

    First parts that keep described first oscillator;

    Second parts, it comprises first slide unit of pushing described first oscillator, is driven and is relatively moved with respect to described first parts by the elliptical vibration of described first oscillator;

    AndFirst resonance prevents parts, and it is located on described second parts, prevents the resonance of described second parts that produced by the vibration of described first oscillator.

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