Vibration driven actuator apparatus and vibration control method

Details Vibration driven actuator apparatus and vibration control method Vibration driven actuator apparatus and vibration control method

1996-09-30

2000-07-04

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

31032312, H01L 4108

Patent

active

060843357

ABSTRACT:
A vibration driven actuator apparatus includes a vibration member, a contact member, and a control circuit for driving the vibration member so that the contact member move relative to the vibration member. The vibration member is first driven in a first vibration mode in which the two members move relative to each other, and then is driven in a second vibration mode in which the two members are moved relative to each other, so that the vibration actuator apparatus can be started reliably.

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