Vehicle safety device actuating apparatus with adaptive reference level
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United States of America Patent
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-
Jul 6, 1993
Issued Date -
N/A
app pub date -
Mar 13, 1992
filing date -
Jan 24, 1989
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
In a control apparatus for actuating a vehicle safety device in response to the specific change in the magnitude of acceleration/deceleration of the vehicle which occurs upon a collision, the output signal from the acceleration/deceleration sensor is processed to obtain detected vehicle speed data relating to the running speed of the vehicle, and the maximum value of a positive-going peak in the change in the detected vehicle speed data is detected to determine a reference level used for discriminating the occurrence of collision. The magnitude of the detected vehicle speed data is compared with the reference level, whereby it is discriminated whether or not a collision has occurred on the basis of the condition of the change in the detected vehicle speed.
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