Selective cloaking circuit for use in a radiofrequency identification and method of cloaking RFID tags

  • US 20020097143A1
  • Filed: 01/23/2001
  • Published: 07/25/2002
  • Est. Priority Date: 01/23/2001
  • Status: Active Grant
First Claim
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1. An improvement in a cloaked RFID tag 10 having an antenna comprising:

  • a switch;

    a logic circuit coupled to said switch to selectively allow communication of signals through said antenna during normal operation to allow output of a signal from said RFID tag through said antenna and to disable the output from said RFID during a cloaking period; and

    a receiving connection to said RFID tag so that command signals are continuously receivable notwithstanding cloaking of said RFID tag.

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