Single-sensing airbag system with zero power consumption in the

Details Single-sensing airbag system with zero power consumption in the Single-sensing airbag system with zero power consumption in the

1991-02-19

1992-12-08

Gaffin, Jeffrey A.

Electrical transmission or interconnection systems

Vehicle mounted systems

Automobile

180274, 280735, 340436, B60R 2132

Patent

active

051700662

ABSTRACT:
When the key-operated ignition switch is turned on, the electronic activation device, which contains a solid state deceleration sensor and crash data processing and diagnostic electronics, is energized so that it is on alert to give a deployment signal to the firing squib when a crash for which the airbag should be deployed is detected by the electronic activation device. When the ignition switch is turned off, the electronic activation device is disconnected from the battery so that it does not drain the battery, but the squib can still be fired by an associated electromechanical crash sensor. There are two circuits which employ these general principles in particular ways.

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