Last exit warning system

  • US 5,790,973 A
  • Filed: 12/19/1995
  • Issued: 08/04/1998
  • Est. Priority Date: 12/19/1995
  • Status: Expired due to Fees
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First Claim
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1. A vehicle exit alert system comprising:

  • a source of signals indicating the current vehicle location;

    a two-way pager for transmitting and receiving signals from and to the vehicle respectively for requesting location of service facilities and transmitting the current vehicle location data to a fixed central database and receiving service facility location data therefrom, said received service facility location data identifying available service facilities that are accessible via at least two roadway exits;

    a processor coupled to said source and pager for comparing data from said source and said pager, said processor determining distance from the vehicle location to each of the available service locations and further determining whether the vehicle should exit the next upcoming exit in order to reach one of said available service facilities; and

    an alarm coupled to said processor for providing vehicle operator alerting signals based upon a predetermined relationship of vehicle location data and service location data, wherein said alarm alerts the vehicle operator to exit the next exit in order to reach said one of said available service facilities.

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