Patent ID: 11966804
Assignee: AVERY DENNISON RETAIL INFORMATION SERVICES LLC
Field: Computer technology (Electrical engineering)
Classification: CPC G | IPC G

Claim 22:
23. A method of forming an RFID device, the method comprising:
providing an RFID chip, wherein the RFID chip is at least one of attached to a substrate at a position and embedded within the substrate at the position;
coupling an inner first antenna to the RFID chip;
coupling a detection unit to the RFID chip, wherein the detection unit comprises an outer antenna;
disposing the outer antenna on the substrate to overlap an area or line which is expected to be cut through when the substrate has formed part of a closed box;
disposing the inner antenna and the RFID chip within the area or the line on the substrate which are expected to remain intact when the closed box is opened; and
wherein the RFID chip is configured to provide tamper information via the inner antenna when the detection unit has been damaged.