US 12,282,817 B2
Metal detector resistant RFID tags
Ian J. Forster, Chelmsford (GB)
Assigned to Avery Dennison Retail Information Services LLC, Mentor, OH (US)
Appl. No. 17/758,109
Filed by Avery Dennison Retail Information Services LLC, Mentor, OH (US)
PCT Filed Dec. 28, 2020, PCT No. PCT/US2020/067115
§ 371(c)(1), (2) Date Jun. 28, 2022,
PCT Pub. No. WO2021/138237, PCT Pub. Date Jul. 8, 2021.
Claims priority of provisional application 62/954,909, filed on Dec. 30, 2019.
Prior Publication US 2023/0043210 A1, Feb. 9, 2023
Int. Cl. G06K 19/077 (2006.01)
CPC G06K 19/07758 (2013.01) [G06K 19/07786 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A metal detector-resistant Radio Frequency Identification (RFID) device comprising:
an RFID chip; and
a conductive structure electrically coupled to the RFID chip, wherein the conductive structure has a metallic mass that is below a standard detection threshold, and wherein an overall thickness of the conductive structure is greater than a skin depth for the conductive structure.