Check out system for retail with automatic consideration of discounts in a flexible system which protects customer data

摘要

The cash box system has a cash box device (1) of a retailer with a cash data processing unit (2) and an input device (3) for detecting an external customer identification code and for detecting an article identification of an article. The cash data processing unit calculates amount to be payable depending on the detected article identification. A data processing system (20) is coupled with the cash data processing unit over a remote data transmission network.