Vibration driven apparatus
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United States of America Patent
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Dec 17, 1996
Grant Date -
N/A
app pub date -
Sep 21, 1994
filing date -
Sep 22, 1993
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A vibration driven device includes a first vibration elastic member, a second vibration elastic member, an electro-mechanical energy conversion element clamped between the first and second vibration elastic members, and a first contact member contacting at least one of the first and second vibration elastic members. A projection region which does not overlap the conversion element is arranged on the one vibration elastic member, the first contact member contacts only the projection region, and the first contact member moves relative to the one vibration elastic member by a vibration of the one vibration elastic member.
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