Electrically variable suspension
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United States of America Patent
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Sep 19, 2017
Issued Date -
Mar 12, 2015
app pub date -
Apr 10, 2013
filing date -
Apr 10, 2012
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Abstract
A variable stiffness spring is provided that includes a dielectric diaphragm having a biaxially pre-strained film, where the dielectric diaphragm includes an out-of-plane stiffness at zero voltage, a first electrode disposed on a first side of the dielectric diaphragm and a second electrode disposed on a second side of the dielectric diaphragm, where the out-of-plain stiffness is relaxed by an applied voltage between the first electrode and the second electrode.
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