Self-powered switch initiation system
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United States of America Patent
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Aug 1, 2017
Issued Date -
N/A
app pub date -
Mar 8, 2009
filing date -
Jul 3, 2001
priority date (Note) -
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Abstract
A self-powered switching device using a prestressed flextensional electroactive member generates a signal for activation of a latching relay. The electroactive member has a piezoelectric element with a convex and a concave face that may be compressed to generate an electrical pulse. The flextensional electroactive member and associated signal generation circuitry can be hardwired directly to the latching relay or may be coupled to a transmitter for sending an RF signal to a receiver which actuates the latching relay.
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