A shopping cart system that includes an image that can be applied to the packaging of an item. The image may be invisible in a visible light spectrum but only visible in radiations of a specific spectrum or within a range of wavelengths that are outside the visible light spectrum. An optical scanner unit that can scan the image on the package. The optical scanner unit can include a lamp that can generate the radiations in the specific spectrum in which the image can be scanned. The optical scanner unit can be mounted to a shopping cart such as to track items being placed or removed from the shopping cart.
SHOPPING CART SYSTEM
30.12.2021
Patent
Elektronische Ressource
Englisch
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