×

Dual-mode anti-counterfeiting tag

  • US 9,934,460 B2
  • Filed: 05/18/2015
  • Issued: 04/03/2018
  • Est. Priority Date: 05/21/2014
  • Status: Active Grant
First Claim
Patent Images

1. A near field magnetically coupled device comprising:

  • a foldable substrate in the form of a tape having a first end and a second end, the first end and the second end being located on either side of a sacrificial area;

    an antenna located at the first end of the tape;

    a capacitor located at the first end of the tape, the capacitor being connected for influencing a tuning frequency of the antenna;

    a sacrificial impedance located at the second end of the tape, the sacrificial impedance being connected for influencing the tuning frequency of the antenna; and

    conductive tracks running along the tape, across the sacrificial area, to connect the sacrificial impedance to the antenna,wherein a rupture of the sacrificial area disconnects the sacrificial impedance and modifies the tuning frequency of the antenna.

View all claims
  • 4 Assignments
Timeline View
Assignment View
    ×
    ×