US 12,493,769 B2
RFID tag for a tamper proof attachment to an object such as a licence plate
Elies Ennabli, Lausanne (CH); Urs Furter, Noville (CH); Christian Mirus, Fribourg (CH); Hugo Kapp, Saint-Gingolph (FR); and Michael Kober, Bruckmühl (DE)
Assigned to ASSA ABLOY AB, Stockholm (SE); and LUX-IDent Germany GmbH, Sauerlach (DE)
Appl. No. 18/863,033
Filed by ASSA ABLOY AB, Stockholm (SE); and LUX-IDent Germany GmbH, Sauerlach (DE)
PCT Filed May 10, 2022, PCT No. PCT/EP2022/062686
§ 371(c)(1), (2) Date Nov. 5, 2024,
PCT Pub. No. WO2023/217358, PCT Pub. Date Nov. 16, 2023.
Prior Publication US 2025/0315638 A1, Oct. 9, 2025
Int. Cl. G06K 19/06 (2006.01); G06K 19/073 (2006.01); G06K 19/077 (2006.01); H01Q 1/22 (2006.01)
CPC G06K 19/07372 (2013.01) [G06K 19/07758 (2013.01); G06K 19/07773 (2013.01); H01Q 1/2208 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An RFID tag for a tamper proof attachment to an object, the RFID tag comprising:
a lower housing configured to be attached to the object;
an upper housing placed on the lower housing and comprising a peripheral portion, the peripheral portion laterally surrounding the lower housing and configured to be attached to the object; and
an antenna unit positioned between the lower housing and the upper housing;
wherein at least one first portion of the antenna unit is attached to the lower housing and at least one second portion of the antenna unit is attached to the upper housing such that the antenna unit is damaged when a distance between the upper housing and the lower housing changes because the at least one first portion of the antenna unit remains attached to the lower housing and the at least one second portion of the antenna unit remains attached to the upper housing.