Capacitive acceleration sensor
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United States of America Patent
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Jul 15, 2008
Grant Date -
Nov 4, 2004
app pub date -
Feb 10, 2004
filing date -
Feb 11, 2003
priority date (Note) -
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Abstract
The invention relates to measuring devices used in the measurement of acceleration and, more specifically, to capacitive acceleration sensors. The capacitive acceleration sensor according to the present invention contains a movable electrode (5) of the acceleration sensor supported at an axis of rotation (7). Several pairs of electrodes are utilized in the acceleration sensor according to the present invention. Advantages of symmetry are achieved with the acceleration sensor structure according to the present invention, and it enables reliable and efficient measuring of acceleration, in particular in small capacitive acceleration sensor designs.
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