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ANTI-COUNTERFEITING LABEL FOR DETECTING CORK ALTERATIONS

  • US 20170183135A1
  • Filed: 05/18/2015
  • Published: 06/29/2017
  • Est. Priority Date: 05/21/2014
  • Status: Abandoned Application
First Claim
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1. A contactless device comprising:

  • a foldable substrate in the form of a tape;

    an antenna circuit tuned to a nominal frequency, including an antenna and a capacitor connected to the antenna;

    a sacrificial impedance connected to the antenna circuit to contribute to the tuning of the antenna circuit to the nominal frequency; and

    a sacrificial structure comprising a conductive track connecting the sacrificial impedance to the antenna circuit, configured in meanders occupying a region of interest of the substrate such that a piercing of the region of interest severs the conductive track.

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