| 摘要 |
<p>The device has colored reflective neon applied on valuable articles. A radio frequency identification (RFID) tag is attached for recognition on a surface of purses, key rings and wallets that are detected or encrypted individually by a suitable detection system. Transponders consist of a microchip carrier or a casing, active transponders and passive transponders, where range of the passive transponders is significantly dependent on the antenna or coil size, and shape and size of the antenna is dependent on frequency or wavelength.</p> |
