Importance

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Abstract

Activators for a plurality of safety devices are connected in parallel relation to each other and connected to a common power source. Switching elements are connected in series to the activators respectively. A common safety switch is connected in serial relation to the activators and connected to the power source. This safety switch is turned on by a lower level of shock than that which is judged as a vehicle collision by a micro computer. The micro computer judges whether or not the vehicle has collided based on an acceleration information from an acceleration sensor. The micro computer controls the switching elements such that the switching elements are cyclically and alternately turned on at the moment a vehicle-collision judgment is made.

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First Claim