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Method for inferring useful information from position-related vehicular events

  • US 6,862,521 B1
  • Filed: 01/29/2003
  • Issued: 03/01/2005
  • Est. Priority Date: 01/29/2003
  • Status: Expired due to Term
First Claim
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1. In a dispatch environment having a dispatch site, a vehicle, and a job site, a method for determining an arrival of said vehicle at said job site, comprising:

  • a) receiving an indication that said vehicle engaged in a stop event;

    b) storing a time and a position corresponding to a location of said stop event;

    c) receiving an indication that said vehicle engaged in a trigger event;

    d) in response to said c), logging said time and said position;

    e) determining a window of value for said time wherein said window characterizes an earliest acceptable value and a latest acceptable value of said time; and

    f) determining a range of distance from said job site wherein said range characterizes a maximum acceptable distance from said job site.

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