Method for preventing unauthorized diversion of nfc tags
AssigneeAvery Dennison Retail Information Services LLC
InventorsIan J. FORSTER, Adrian N. FARR
Life of this patent
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Abstract
A method, system and apparatus for pairing authorized NFC enabled RFID devices with an intended object or product. The method, system and apparatus can include a primary RFID with a radio frequency identification chip, a coil antenna, a bridge and a substrate; an association of the at least primary RFID device with an object; an integration of a material into one of the at least primary RFID device and the object that provides the RFID device with a predetermined resonant frequency; and the detuning of one or more secondary communication devices located proximate the RFID device.
Claims19
A system for blocking unauthorized radio frequency communication comprising:
- a NFC enabled RFID device;
- an object to which the RFID device is associated;
- and
- a substrate provided with the RFID device and the object wherein the substrate includes at least one of a high dielectric material, a high permeability material, a resonant inductive circuit, and a conductive region.
A NFC enabled RFID device comprising:
- a substrate formed with a load compensator;
- a RFID chip coupled to the substrate;
- and
- an antenna formed on the substrate.
A NFC enabled RFID device comprising:
- a substrate;
- a RFID chip;
- an antenna coil formed on the substrate having a conductive region which causes a decrease in an inductance of the antenna coil;
- and the NFC enabled RFID device is placed on a poster such that when an unauthorized tag is placed over the NFC enabled RFID device it is detuned.
Dependencies are inferred from the claim text.