Acceleration switch and electronic device
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United States of America Patent
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Jul 29, 2014
Issued Date -
N/A
app pub date -
Mar 2, 2011
filing date -
Mar 3, 2010
priority date (Note) -
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Abstract
An acceleration switch includes a mass body having a space therein, a single arc-shaped beam supporting the mass body, a support portion supporting the arc-shaped beam, and a counter electrode disposed in the space of the mass body. The arc-shaped beam is arranged so as to surround the mass body, and the support portion is disposed at a periphery of the mass body. An electrode interval corresponding to a distance between an inner side surface of the mass body and an outer side surface of the counter electrode is 1 μm or more and 20 μm or less.
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