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Pedestrian protection system mounted on vehicle

  • US 20040186643A1
  • Filed: 03/16/2004
  • Published: 09/23/2004
  • Est. Priority Date: 03/19/2003
  • Status: Abandoned Application
First Claim
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1. A pedestrian protection system by alleviating a secondary impact on a pedestrian when a vehicle collides with a pedestrian, the pedestrian protection system comprising:

  • means for alleviating a collision impact on a pedestrian;

    a plurality of load sensors or pressure sensors mounted on a front bumper of the vehicle and aligned in the longitudinal direction of the bumper;

    an acceleration sensor for detecting acceleration of the vehicle;

    a speed sensor for detecting a traveling speed of the vehicle;

    means for determining whether an obstacle colliding with the vehicle is a pedestrian based on output signals from the load sensors or the pressure sensors, the acceleration sensor and the speed sensor; and

    a controller device that actuates the alleviating means when the determining means determines that the obstacle colliding with the vehicle is a pedestrian, wherein;

    the determining means performs its determination based on the output signal from each one of the plurality of the load sensors or the pressure sensors.

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