| 摘要 |
An apparatus ( 500 ) for detecting removal of items from a compartment is disclosed. The apparatus comprises a reader ( 540 ) for reading Radio Frequency Identification (RFID) tags attached to items in the compartment and a processor ( 510 ), coupled to the reader ( 540 ), for identifying items removed from the compartment. Removal of an item from the compartment is detected based on absence of a RFID tag that was previously detected by the reader ( 540 ). The RFID tags may be read exclusively when a door of the compartment is closed and the apparatus may further comprise a detector coupled to the processor ( 510 ) for detecting open/close status of the door. Removal of an item is preferably confirmed only when a RFID tag attached to an item has been absent from the compartment for longer than a defined time period.
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