Vehicle tracker unit providing variable frequency transmission and related methods

  • US 6,765,499 B2
  • Filed: 03/25/2002
  • Issued: 07/20/2004
  • Est. Priority Date: 05/17/2000
  • Status: Active Grant
First Claim
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1. A vehicle tracking unit comprising:

  • a vehicle position determining device, a wireless communications device, and a controller cooperating with said wireless communications device and said vehicle position determining device for determining vehicle position information and for periodically sending vehicle position information to a monitoring station;

    said controller varying a period between successive sendings of vehicle position information based upon a triggering event.

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