Vibration driven actuator

Details Vibration driven actuator Vibration driven actuator

F - Mech Eng,Light,Heat,Weapons

03

G

F03G 7/08 (2006.01) H01L 41/09 (2006.01)

Patent

CA 2088239

A vibration driven motor or actuator includes a vibrating member for generating a vibration therein in response to an electrical signal applied thereto, and a contact member frictionally engaged with the vibrating member to be driven by the vibration. The contact member has an element for, when the contact member is driven by the vibration, causing sin and cos modes of the vibration generated in the contact member to have different natural frequencies.

Moteur ou actionneur commandé par vibration et comprenant un élément vibrateur pour y produire une vibration en réaction à un signal électrique qui y est appliqué, et élément de contact en prise par friction sur l'élément vibrateur qui doit être entraîné par la vibration. L'élément de contact a un élément capable, quand l'élément de contact est entraîné par la vibration, d'amener les modes sin et cos de la vibration produite dans l'élément de contact à avoir des fréquences naturelles différentes.

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