Active vibration isolator
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United States of America Patent
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Feb 27, 2001
Grant Date -
N/A
app pub date -
Jul 23, 1998
filing date -
Feb 18, 1998
priority date (Note) -
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Abstract
By a controller 18 which receives signal input from a first sensor 16 for detecting the vibratory state of an object O to be isolated from vibration and from a second sensor 17 for detecting the vibratory state of an intermediate mass element 13, a signal is outputted to a power input portion 12 of a piezoelectric element 11 to cause a voltage variation such that the intermediate mass element 13 vibrates to cancel out the vibrations of the object O in an acting direction.
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