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Triggering unit

  • US 20040034458A1
  • Filed: 06/30/2003
  • Published: 02/19/2004
  • Est. Priority Date: 07/02/2002
  • Status: Active Grant
First Claim
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1. A triggering unit to trigger a safety device in a motor vehicle to protect an occupant of the vehicle in an impact situation in which the vehicle impacts with an impacting object, the triggering unit being configured to actuate the safety device only if the total stiffness between the vehicle and the impacting object exceeds a predetermined stiffness value, the unit incorporating a calculating arrangement to calculate stiffness from two or more sensed parameters, the stiffness being defined as the quotient between:

  • the force between;

    the vehicle and the impacting object, and the decrease in distance between the centers of gravity of the vehicle and the impacting object after contact between the vehicle and the impacting object.

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