Electrical generator or motor structure – Non-dynamoelectric – Piezoelectric elements and devices
Patent
1996-04-23
1998-06-02
Dougherty, Thomas M.
Electrical generator or motor structure
Non-dynamoelectric
Piezoelectric elements and devices
H02N 200
Patent
active
057605297
ABSTRACT:
A vibration wave actuator having a vibrating member for generating a vibration wave therein and a contact member contacting the vibrating member so as to be movable relative to the vibrating member by a friction force caused by the vibration wave, as well as to a system using the actuator. Contact portions of the vibrating member and the contact member are made of iron or iron alloy.
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Endo, "Hyomen Kogaku (Surface Engineering)" Ver. 4, p. 63. Jun. 20, 1987.
Fujimoto Kazuki
Okumura Ichiro
Tamai Jun
Canon Kabushiki Kaisha
Dougherty Thomas M.
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