| 摘要 |
A self-checkout kiosk enables a patron to purchase or allocate to an account a product displayed in a vending area and carrying a Radio Frequency Identification (RFID) tag. The patron exits the vending area through a security portal. The kiosk, a bill acceptor, a computer monitor and/or a mobile device enables the patron to complete a purchase or allocate transaction prior to exiting the vending area through the portal. The portal includes RFID reading antennas for marking products stolen when transferred through the portal without a transaction. Alternatively, a smart shelf keeps track of products on the smart shelf and keeps a checkout tally of removed products. If the patron does not complete a purchase or allocate transaction, or returns the product to the smart shelf within a user-defined set of time, the smart shelf will mark the product as stolen. A security system responds to products marked as stolen.
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