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Smart wallet

  • US 9,224,015 B2
  • Filed: 04/07/2014
  • Issued: 12/29/2015
  • Est. Priority Date: 09/14/2007
  • Status: Active Grant
First Claim
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1. A tracking system comprising:

  • a first device comprising;

    a first radio frequency (RF) unit disposed within the outer body operating according to a predetermined wireless standard supporting communications by other than direct mutual induction; and

    a processor for determining and performing a first action relating to the first device in dependence upon a first predetermined aspect of communications other than loss of signal between the first device and a second device comprising a second RF unit operating according to the predetermined wireless standard; and

    the second device comprising;

    the second RF unit operating according to the predetermined wireless standard; and

    a second processor for determining and performing a second action relating to the second device in dependence upon a second predetermined aspect of communications other than loss of signal between the first device and a second device, wherein at least one of the first predetermined aspect and the second predetermined aspect of communication between the first device and the second device relates to at least one of a determination of the distance between the first device and the second device and a received signal strength of communication other than loss of signal satisfying a threshold between the first device and second device.

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