Vibration type motor device

Details Vibration type motor device Vibration type motor device

1998-04-20

2000-10-17

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

31031602, 310366, H02N 200

Patent

active

061336718

ABSTRACT:
A vibration type motor of a floating drive scheme is provided in which the voltage applied to a driving piezoelectric element and the voltage generated by a detection piezoelectric element are stepped down by impedance elements and input to a processing circuit, thereby allowing the use of a TTL logic circuit as the processing circuit.

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patent: 5656881 (1997-08-01), Atsuta
patent: 5739621 (1998-04-01), Atsuta et al.
patent: 5740478 (1998-04-01), Kobayashi

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