Piezoelectric actuator
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United States of America Patent
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-
Aug 8, 1989
Issued Date -
N/A
app pub date -
Jul 25, 1988
filing date -
Dec 25, 1985
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A piezo-electric actuator magnifies piezoelectric displacement through two-steps, provided by a first lever portion and a second lever portion which are connected by two plate springs. One of the plate springs transmits a tension force while the other plate spring located adjacent to the first plate spring works as a fulcrum. A higher magnifying power of displacement is obtained.
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