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Radio frequency identification tag arranged for magnetically storing tag state information

  • US 6,252,508 B1
  • Filed: 11/02/1999
  • Issued: 06/26/2001
  • Est. Priority Date: 10/11/1995
  • Status: Expired due to Term
First Claim
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1. A radio frequency identification tag comprising:

  • a tag circuit;

    a tag common electrode; and

    a tag antenna element, wherein the tag common electrode and the tag antenna element are coupled to the tag circuit, the tag common electrode is arranged for coupling to ground, the tag antenna element is arranged for capacitively receiving an exciter signal from an exciter and coupling the exciter signal to the tag circuit, the tag circuit is arranged for becoming energized based on the exciter signal, generating a read signal and coupling the read signal to the tag antenna element, the tag antenna element is arranged for capacitively sending the read signal to a reader, and at least one of the tag common electrode and the tag antenna element is arranged for magnetically storing tag state information.

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