Distributed electronic acceleration sensing for crash severity recognition
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United States of America Patent
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Apr 1, 2003
Grant Date -
N/A
app pub date -
Oct 20, 2000
filing date -
Oct 21, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
The crash detection system employs a plurality of electronic acceleration sensors distributed at different locations of a vehicle body. The plurality of electronic acceleration sensors measures changes in acceleration of the vehicle body at different locations and therefore the rate of deformation of the vehicle body. The signals from the plurality of electronic acceleration sensors are filtered, amplified, and passed to an evaluation unit, which reads and compares the signals. Based on the rate of deformation of the vehicle body, the evaluation unit then makes a determination of the severity of the vehicle crash and communicates this information to a passenger safety system.
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