Process and apparatus for detecting vehicle impact
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United States of America Patent
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Mar 4, 1997
Issued Date -
N/A
app pub date -
Aug 4, 1994
filing date -
May 31, 1991
priority date (Note) -
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status (Latency Note)
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Abstract
A method and apparatus for recognizing a crash, in a vehicle by measuring vehicle speed change continuously within a limited time periods and comparing the measured values with those determined in prior time periods. Acceleration can be differentiated out by means of the above-mentioned process/arrangement and can be evaluated if, in the case of a high-speed and low-speed crash, it should not be possible to differentiate sufficiently by means of the partial speed difference. Different partial speed differences (by means of observation periods of different durations) can be measured and compared in order to permit ignition in the case of slower (oblique) crashes only within a limited time window in the initial phase of the crash.
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