INERTIA SENSING APPARATUS
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United States of America Patent
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Issued Date -
Feb 21, 2013
app pub date -
Aug 17, 2011
filing date -
Aug 17, 2011
priority date (Note) -
Abandoned
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Abstract
The invention relates to an inertia sensing apparatus, comprising a substrate, a first and second inertia sensing elements. The first inertia sensing element is connected to a substrate and has a containment space. The second inertia sensing element is connected to the substrate and is disposed in the containment space of the first inertia sensing element, wherein the first inertia sensing element and the second sensing element are connected to the substrate, and the first inertia sensing element and the second sensing element are not connected to each other, the first inertia sensing element and the second sensing element individually and independently detect at least one inertia motion of the inertia sensing apparatus. Therefore, the invention is based on the second inertia sensing element disposed in the containment space of the first inertia sensing element and they individually and independently detect at least one inertia motion of the inertia sensing apparatus, so as to decrease an area of the inertia sensing apparatus, thus reducing the chip size and prevent the two inertia sensing elements from coupling to result in decreasing the sensing precision.
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