Vibration wave motor

Details Vibration wave motor Vibration wave motor

1986-10-31

1988-05-10

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

310328, H01L 4108

Patent

active

047437910

ABSTRACT:
A vibration wave motor having a vibration member for generating a travelling vibration wave by applying a drive signal to an electro-mechanical energy transducer and a movable member displaced by the vibration wave, characterized in that the vibration member and the movable member are kept in press-contact by a dished spring.

REFERENCES:
patent: 4484099 (1984-11-01), Kawai et al.
patent: 4513219 (1985-04-01), Katsuma et al.
patent: 4560263 (1985-12-01), Katsuma et al.
patent: 4562374 (1985-12-01), Sashida
patent: 4629039 (1986-12-01), Imoto et al.

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