| 摘要 |
An electronic device fastened to a baggage item includes a microprocessor, data storage, radio circuits, and a radio antenna. When the baggage item is checked by a traveler at an airport, identification information corresponding to a code printed on the traveler's boarding pass is transmitted to the electronic device and recorded in its data storage. The traveler then proceeds to the gate of his flight, where the code printed on his boarding pass is read. The electronic device transmits stored identification information, so that the baggage item is loaded onto the aircraft only when the code printed on the boarding pass has been read at the gate.
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