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System and method for navigation tracking of individuals in a group

DC
  • US 7,741,968 B1
  • Filed: 06/20/2008
  • Issued: 06/22/2010
  • Est. Priority Date: 08/10/2005
  • Status: Active Grant
First Claim
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1. A method of tracking a plurality of portable devices, said method comprising:

  • creating a select group of target portable devices in association with a master portable device;

    establishing at said master portable device the current geographical positions of said selected group of target portable devices;

    displaying on said master device said established geographical positions of each said target device;

    sending from said master device to at least one of said target devices, convergence navigational instructions designed to facilitate convergence between said at least one target device and said master device; and

    generating ETAs pertaining to said convergence between said one target device and said master device.

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