Vibration wave motor

Details Vibration wave motor Vibration wave motor

1992-12-16

1994-09-13

Budd, Mark O.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4108

Patent

active

053471920

ABSTRACT:
A vibration wave motor has a movable member; a molded elastic member having a surface with projections formed thereon for urging the movable member; and a piezoelectric member arranged in contact with the elastic member to apply vibration to the elastic member and produce a travelling vibration wave in the surface of the elastic member.

REFERENCES:
patent: 4325264 (1982-04-01), Sashida
patent: 4453103 (1984-06-01), Vishnevsky et al.
patent: 4495432 (1985-01-01), Katsuma et al.
patent: 4562373 (1985-12-01), Tokusima et al.
patent: 4580073 (1986-04-01), Okumura et al.
patent: 4587452 (1986-05-01), Okumura et al.
Lens Work, Canon, Inc., Commons Co., Ltd. 1992 pp. 161-168.

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