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Slow or stopped vehicle ahead advisor with digital map integration

  • US 20080275618A1
  • Filed: 05/04/2007
  • Published: 11/06/2008
  • Est. Priority Date: 05/04/2007
  • Status: Active Grant
First Claim
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1. A selectively communicating slow vehicle advisory system adapted for use with a trailing vehicle having an operator, and a host vehicle traveling upon a thoroughfare, and communicatively coupled to and spaced from the trailing vehicle, said system comprising:

  • at least one vehicle condition-sensor configured to determine the current speed of the host vehicle;

    a normal speed determination sub-system configured to determine a normal speed of the host vehicle;

    a controller communicatively coupled to the sensor and sub-system and configured to compare the current and normal speeds, so as to determine a speed discrepancy, compare the discrepancy to a speed threshold, and cause to be transmitted to the trailing vehicle a signal, only when the discrepancy exceeds the threshold; and

    a slow-vehicle alert generator configured to generate an alert at the trailing vehicle, upon receipt of the signal.

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