Apparatus for determining collision for air bag

Details Apparatus for determining collision for air bag Apparatus for determining collision for air bag

1996-12-19

1999-11-02

Nguyen, Tan

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

Vehicle subsystem or accessory control

701 46, 180282, B60R 2116

Patent

active

059787228

ABSTRACT:
An apparatus detects a collision according to a signal from an acceleration sensor 1, to deploy an air bag of a car. The apparatus prevents an erroneous deployment of the air bag when the car is driving along a rough road. The apparatus employs two deceleration thresholds for a signal from the acceleration sensor 1. The apparatus has a signal integrator 3 that integrates an area of the signal defined by the thresholds as well as an acceleration area of the same signal. The apparatus has a determination unit 4 that determines a collision if an integral provided by the signal integrator 3 is above a value corresponding to an OFF collision that requires no deployment of the air bag.

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patent: 5431441 (1995-07-01), Okano
patent: 5594647 (1997-01-01), Yasuda et al.

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