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NFC tags with proximity detection

  • US 10,402,598 B2
  • Filed: 08/17/2017
  • Issued: 09/03/2019
  • Est. Priority Date: 11/19/2012
  • Status: Active Grant
First Claim
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1. A NFC detector, for use with an advertising display, comprising:

  • a counter circuit;

    an inductive coil; and

    wherein the counter circuit records a number of instances that an external NFC reader is placed proximate to the display holding the inductive coil.

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