Self-powered wireless switch
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United States of America Patent
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Aug 23, 2005
Grant Date -
Jul 1, 2004
app pub date -
Apr 14, 2003
filing date -
Oct 13, 2000
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A wireless switch is provided having a twenty-year life energy harvesting arrangement for self-powering a wireless transmitter. The energy harvesting arrangement is implemented in one embodiment using a piezoelectric switch element. A tritium light source and photovoltaic device are used in a second embodiment, while a black light source and photovoltaic device are used in a third embodiment. The energy harvesting wireless switch arrangement of the present invention can be combined, for example, with a vehicle side mirror switch, to reduce the complexity of the wire harness feeding the door. The wireless switch can be located without regard to accessability of a wiring harness or connector.
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