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Personal communication and positioning system

  • US 7,561,065 B2
  • Filed: 06/25/2007
  • Issued: 07/14/2009
  • Est. Priority Date: 06/20/1997
  • Status: Expired due to Fees
First Claim
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1. A communication system comprising:

  • a plurality of mobile communication devices, each mobile communication device comprising;

    a processor; and

    a memory coupled to the processor and configured to store information related to a route, a location of the mobile communication device and information about the location of the mobile communication device;

    a central processing device configured to receive from a requesting mobile communication device information about the location of the requesting mobile communication device and information related to the route of the requesting mobile communication device, identify other mobile communication devices located on or near the route having information about the route, and transmit information related to the route to the requesting mobile communication device;

    wherein the requesting mobile communication device is configured to store in memory a sequential list, ordered by locations along the route, of other mobile communication devices located on or near the route.

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