Acceleration sensor
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United States of America Patent
Stats
-
Oct 15, 2002
Grant Date -
Mar 14, 2002
app pub date -
May 25, 2001
filing date -
Dec 27, 1993
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
An acceleration sensor is disclosed which includes a capacitance-type acceleration detection element mounted on a ceramic base plate. The element comprises a movable electrode mounted between a pair of fixed electrodes. Acceleration of the sensor in a measurement direction causes the movable electrode to move relative to the fixed electrodes and the element has opposite ends in a direction perpendicular to the measurement direction. The acceleration detection element is mounted on the base at a first one of the opposite ends. Accordingly, the mounting surface of the acceleration sensor is parallel to the direction of acceleration to be detected. Thus the acceleration sensor can be surface-mounted on a printed board, and more be easily mounted in an automobile air bag control system or the like.
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