| 摘要 |
A security system for securing an exit pathway area in a shop that includes: electronically controlled barriers; a controller that controls the barriers; and a scale that communicates with the controller. The scale allows weighing one or more products or a container such as a shopping cart having products of a customer therein. The barriers and scale are arranged in the exit pathway area such that they define a security zone therebetween directing the respective customer therethrough while enabling to block the security zone. The controller controls the barriers according to security verification in which it verifies whether the products of the customer that were weighed are paid for prior to leaving the security zone, where the verification is based on comparing a weight of the products based on the measured weight with an estimation of the weight of products that were purchased and paid for by the customer
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