摘要 |
A closure (10) and RFID device (15) in combination, wherein the closure comprises a metal shell and the RFID device comprises a tag (40) and antenna means (80). The tag (40) comprises an RFID chip (60) and an electrical circuit (50) and the antenna means (80) is adapted to be one side of a dipole. The RFID device is entirely located within the metal closure with and spaced from but electrically connected (70) to the metal closure (10) such that the closure becomes the other side of the dipole antenna. |