Power generating device
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United States of America Patent
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Sep 22, 2015
Grant Date -
Jul 25, 2013
app pub date -
Jan 16, 2013
filing date -
Jan 16, 2012
priority date (Note) -
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status (Latency Note)
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Abstract
A power generating device includes a first casing, a magnetic component, a second casing, an induction coil, and a first piezoelectric device. The first casing and the second casing engage with each other to form a space, and the magnetic component is fixed on the first casing and configured in the space. The induction coil is fixed on the second casing and configured in the space, and it is positioned outside the contour of the magnetic component. The first piezoelectric is configured between the magnetic component and the first casing. When an external force acts on the first casing and the second casing, the first casing and the second casing move relatively to each other so that the induction coil generates an induced current by sensing a magnetic flux variation, and the first piezoelectric component generates a first charge by absorbing the pressure between the magnetic component and the second casing.
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