×

Triggering unit

  • US 7,140,464 B2
  • Filed: 06/30/2003
  • Issued: 11/28/2006
  • Est. Priority Date: 07/02/2002
  • Status: Expired due to Term
First Claim
Patent Images

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 the sensed acceleration of the vehicle and sensed relative velocity between the vehicle and impacting object, 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.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×