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INTEGRATED CIRCUITS WITH PERSISTENT DATA STORAGE

  • US 20150122898A1
  • Filed: 01/16/2015
  • Published: 05/07/2015
  • Est. Priority Date: 05/31/2001
  • Status: Active Grant
First Claim
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1. A method for a radio frequency identification (RFID) tag comprising:

  • receiving a first code transmitted by an RFID reader, the first code generated by an XOR calculation;

    comparing a second code within the tag to the first code;

    if the first code and second code do not match, muting by the tag; and

    if the first code and second code match, transmitting by the tag a third code to the RFID reader.

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