Impact sensor for vehicle safety restraint system

Details Impact sensor for vehicle safety restraint system Impact sensor for vehicle safety restraint system

1992-09-24

1995-07-04

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

73517R, 73519, H01H 3514, B60R 2132

Patent

active

054303346

ABSTRACT:
A vehicle restraint system that includes an impact sensor coupled by fiber optics to an igniter for inflating an air bag. The impact sensor includes a permanent magnet disposed within a cavity and biased by magnetic force toward one end of the cavity, motion of the magnet in the cavity being sensed by a weigand wire or Hall sensor for igniting the air bag. Facility is disposed externally of the cavity for selectively adjusting the bias of the sensor and/or moving the magnet into proximity with the Hall effect or weigand wire sensor to test operative condition of the sensor.

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"Electronic Air-Bag Sensor For Futher Cars", Machine Design, vol. 64, No. 21, Oct. 22, 1992, p. 86.
Database WPI, Week 9232, Derwent Publications Ltd., London, GB.

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