Side impact sensor systems

  • US 7,025,379 B2
  • Filed: 10/12/2004
  • Issued: 04/11/2006
  • Est. Priority Date: 09/16/1993
  • Status: Expired due to Fees
First Claim
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1. A side airbag system for a vehicle, consisting of:

  • an airbag arranged to deploy in the event of an impact into a side of the vehicle;

    a single side impact crash sensor arranged to sense an impact into a side of the vehicle and cause deployment of said airbag based on the sensed impact, said crash sensor being an electrical sensor including a movable sensing mass which moves when the side of the vehicle is impacted and signal generating means for generating a time-varying signal representative of movement of said sensing mass, analyzing the signal representative of the movement of said sensing mass and generating a deployment signal based thereon; and

    an inflator for inflating said airbag, said inflator being coupled to said crash sensor and arranged to receive the deployment signal from said crash sensor and inflate said airbag only upon receipt of said deployment signal from said crash sensor.

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