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TRACKING SYSTEM WITH REDUNDANT SECURITY AND RETRANSMISSION FEATURES

  • US 20100134280A1
  • Filed: 08/10/2006
  • Published: 06/03/2010
  • Est. Priority Date: 08/19/2005
  • Status: Active Grant
First Claim
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1. Tracking system with redundant security and retransmission features, characterized in that it comprisesAt least one positioning devices (2),At least one localiser (1),wherein;

  • the positioning devices or positioning devices employed have two or more different positioning systems and the localiser or localisers employed are mobile units.

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