| 摘要 |
PROBLEM TO BE SOLVED: To provide a POS system capable of picking up a pattern of a key operation concerned in doubtful sales processing by an operator of a POS terminal device, to issue an alarm, in a store server of controlling the plurality of POS terminal devices. SOLUTION: The store server of controlling supervisingly the plurality of POS terminal devices for executing the sales processing for an article or service is provided with a storage means for setting the plurality of operation patterns by the operator having the possibility of illicit action in the POS terminal device, and threshold values for processing data in the plurality of operation patterns, and for storing the threshold values, a communication means for receiving an electronic journal indicating sales processing data transmitted from the plurality of POS terminal devices, a censoring means for censoring a content of the electronic journal, and a determination means for determining whether any of the plurality of preset operation patterns is included in the sales processing data in the electronic journal or not, and for determining whether the respective processing data concerned in the picked-up operation patterns reach the threshold values or not. COPYRIGHT: (C)2007,JPO&INPIT
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