Vibration driven motor

Details Vibration driven motor Vibration driven motor

1994-06-13

1995-02-07

Dougherty, Thomas M.

Electrical generator or motor structure

Non-dynamoelectric

Piezoelectric elements and devices

H01L 4109

Patent

active

053878353

ABSTRACT:
In a vibration driven motor or actuator, which has members for generating a first bending vibration and a second bending vibration in a direction different from the first bending vibration therein, and in which a combined vibration of the first bending vibration and the second bending vibration is caused, rigidities in two directions of the vibration member are set to be equal to or substantially equal to each other.

REFERENCES:
patent: 4634917 (1987-01-01), Dvorsky et al.
patent: 4642509 (1987-02-01), Kumada
patent: 4812697 (1989-03-01), Mishiro
patent: 4965482 (1990-10-01), Ohnishi et al.
patent: 5231325 (1993-07-01), Tamai et al.

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