A vibration driven motor or actuator

Details A vibration driven motor or actuator A vibration driven motor or actuator

H - Electricity

02

N

H02N 2/00 (2006.01) H01L 41/04 (2006.01) H01L 41/09 (2006.01)

Patent

CA 2088234

A vibration driven motor or actuator has a piezoelectric element, arranged in a vibrating member, for generating a vibration in a first direction, and another piezoelectric element, arranged in the vibrating member, for generating a vibration in a second direction different from the first direction. In the motor or actuator, the vibrating member has a recess portion shaved by, e.g., a laser, or a portion added with a mass, so that the natural frequencies of a given vibration mode of the vibrations in the first and second directions coincide or substantially coincide with each other.

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