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Method and apparatus for activating a crash countermeasure in response to the road condition

  • US 6,480,102 B1
  • Filed: 01/23/2002
  • Issued: 11/12/2002
  • Est. Priority Date: 01/23/2002
  • Status: Expired due to Fees
First Claim
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1. A method for operating a pre-crash sensing system for a first vehicle proximate a second vehicle a counter-measure system comprising:

  • generating a first position signal corresponding to a position of the first vehicle;

    generating sensor signals from the first vehicle;

    receiving a second position signal from the second vehicle; and

    receiving a first road condition signal;

    determining a distance to the second vehicle as a function of the second position signal;

    determining a first vehicle trajectory from said vehicle data, said sensor signals, said first position signal and said second position signal;

    determining a threat level as a function of the first vehicle trajectory and the road condition signal; and

    activating a counter-measure system in response to the threat level.

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