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Method and system of actuating a deployment of a vehicle restraint system

  • US 20040007859A1
  • Filed: 12/28/2001
  • Published: 01/15/2004
  • Est. Priority Date: 09/27/1999
  • Status: Active Grant
First Claim
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1. A method of actuating a deployment of a vehicle airbag during an impact event of a vehicle, the method comprising:

  • providing a vehicle impact sensor having a plurality of sensor elements, each of the plurality of elements adapted to generate an impact sensor signal having a sensor signal value indicative of a severity level of the impact event;

    receiving an impact sensor signal from each element during the impact event of the vehicle;

    summing the sensor signal values of the impact sensor signals to define an aggregate sensor signal value;

    determining a number of impact sensor signals having respective sensor signal values greater than an active sensor element threshold value to define a number of active sensor elements;

    determining a threshold aggregate sensor signal sensor signal value based on the number of active sensor elements; and

    generating an actuating signal for deploying the vehicle airbag, when the aggregate sensor signal value is greater than the threshold aggregate sensor signal value.

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