Location system for Bluetooth® enabled devices

  • US 8,023,895 B2
  • Filed: 12/07/2010
  • Issued: 09/20/2011
  • Est. Priority Date: 03/04/2005
  • Status: Active Grant
First Claim
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1. A method of tracking a wireless communication device, comprising:

  • attaching a first wireless communication device to a second wireless communication device;

    after entering a connected state, entering and maintaining a power saving mode as long as a received signal from the first wireless communication device is above a specified threshold, wherein, in the connected state, the second wireless communication device is non-discoverable and non-connectable to other wireless communication devices other than the first wireless communication device;

    leaving the connected state and entering a search mode when the signal of from the first wireless communication device falls below the specified threshold, wherein, after leaving the connected state, the second wireless communication device is discoverable and connectable, wherein neither the second wireless communication device nor the first wireless communication device is deactivated if the first wireless communication device and the second wireless communication device are no longer in communication range; and

    re-entering the connected state and returning to the power saving mode when the first wireless communication device signal is reacquired.

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