Vibration power generator
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United States of America Patent
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Oct 17, 2017
Issued Date -
N/A
app pub date -
Jun 19, 2013
filing date -
Jul 10, 2012
priority date (Note) -
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Abstract
Power generated by a vibration power generator using an electret is efficiently supplied to a power supply load. A vibration power generator includes a first substrate and a second substrate configured to be moved relative to each other by external vibration while remaining opposite each other, a group of a plurality of electrets arranged in the relative movement direction on one surface side of the first substrate, and a group of a plurality of electrodes arranged in the relative movement direction on a surface side of the second substrate opposite to the group of electrets, the group of electrodes including first current collecting electrodes and second current collecting electrodes electrically connected to respective power supply loads to which power generated by the external vibration is supplied, and ground electrodes each provided between the first current collecting electrode and the second current collecting electrode and grounded.
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