| 摘要 |
Correct removal of cargo units 14 from the cargo space 10 of a cargo delivery vehicle uses RFID tags 15 on the cargo units. A RFID transceiver 18 is in the cargo space. A sensor 16 responds to closure of a door to the cargo space to initiate operation of the transceiver to interrogate the RFID tags and to create an inventory of the cargo units then in the space. An inventory created upon door closure at each delivery location of the vehicle is compared to the last prior inventory, and differences identified by the
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