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Cordless identification security system and method

  • US 20030016120A1
  • Filed: 07/19/2001
  • Published: 01/23/2003
  • Est. Priority Date: 07/19/2001
  • Status: Active Grant
First Claim
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1. A system for tracking portable devices comprising:

  • a transmitter transmitting wireless inquiries to a plurality of portable devices;

    a receiver receiving replies to the inquiries from the portable devices;

    a memory arrangement storing identifier data corresponding to the portable devices;

    a processor coupled to the memory arrangement and to the receiver, the processor retrieving from each reply, identifier data uniquely identifying a particular one of the portable devices which generated the reply and comparing the identifier data to the stored identifier data; and

    a portable device control system coupled to the processor and controlled based on the comparison of the stored identifier data to the identifier data retrieved from the replies.

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