System and method for resonance frequency tuning of resonant devices
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United States of America Patent
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Apr 10, 2012
Grant Date -
Nov 19, 2009
app pub date -
Apr 7, 2009
filing date -
Apr 7, 2008
priority date (Note) -
Expired
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Abstract
Tunable vibration energy scavengers and methods of operating the same are disclosed. The disclosed energy scavengers comprise a beam with a main body, wherein the beam comprises at least one flap and means for changing a shape of the at least one flap, wherein the at least one flap is physically attached to the main body along a longitudinal side of the main body. The disclosed methods comprise tuning the shape of the at least one flap, thereby tuning the stiffness of the structure.
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