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Vehicle tracker conserving codes and related methods

  • US 6,522,267 B2
  • Filed: 05/17/2001
  • Issued: 02/18/2003
  • Est. Priority Date: 05/17/2000
  • Status: Expired due to Fees
First Claim
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1. A vehicle tracking system comprising:

  • a vehicle tracking unit and a monitoring station communicating therewith;

    said vehicle tracking unit comprising a vehicle position determining device, a wireless communications device, and a controller connected to said wireless communications device and said vehicle position determining device;

    said controller having a plurality of different controller states and responding differently to a same message from said monitoring station at different times depending upon the controller state at a given time.

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