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Method and system for communicating with identification tags

  • US 7,165,722 B2
  • Filed: 03/10/2004
  • Issued: 01/23/2007
  • Est. Priority Date: 03/10/2004
  • Status: Active Grant
First Claim
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1. A computer program product comprising a computer readable medium and computer program instructions stored on the computer readable medium, wherein the computer program instructions, when executed by a reader system, direct the reader system to perform a method for communicating with a radio frequency identification tag, the method comprising:

  • (a) sending an identification query to a radio frequency identification tag;

    (b) assigning a guest identification to the radio frequency identification tag, the guest identification forming at least a portion of a tag routing address;

    (c) sending the guest identification and at least a portion of a reader system routing address to a home agent of the radio frequency identification tag;

    (d) receiving a message addressed to the tag routing address of the radio frequency identification tag, the tag routing address being compliant with a standard network protocol; and

    (e) sending a response to the message.

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