Whether supermarket foods have anti-theft security labels
After purchasing at the supermarket, the cashier will scan it at the checkout counter. If there is an anti-theft buckle on clothes or knitted fabrics, the cashier will decode and demagnetize the processing method, so how effective is the anti-theft of food? Is it true that supermarket food is generally not burglar-proof?
In fact, supermarket foods usually have anti-theft measures, and bar codes are more commonly used for anti-theft. We usually eat snacks, chocolates and biscuits with anti-theft barcodes on the outer packaging. The barcode on the product is printed during production, and basic information about the product is stored in it.
However, supermarket staff affix anti-theft bar codes to certain valuables. These anti-theft barcodes are the anti-theft soft labels we often say. Anti-theft soft labels are not affixed to all products. For supermarket management, general milk powder, tea, cosmetics, etc. will be affixed with anti-theft soft labels. If you notice that there are sometimes two barcodes on the product, one is an ordinary barcode and the attached one is an anti-theft barcode.
Today, RFID radio frequency tags are more convenient. It can be affixed in the same position as ordinary paper labels, and can also be applied to curved products. Its internal information storage is larger and the price is higher. RFID 标签。 Cheaper bulk foods, such as supermarkets, can put RFID tags on the bags . Of course, some supermarkets still use some security tags , such as meat or fish, and put the security tags on the bag after weighing. Let the cashier decode when paying. Therefore, supermarket food is generally anti-theft, but the anti-theft measures are different. A small amount of food may not have the anti-theft function, and generally depends on the actual situation of the supermarket.
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