SERVER FOR POS SYSTEM, POS SYSTEM, CONTROL PROGRAM FOR POS SYSTEM SERVER, AND CARD SETTLEMENT METHOD

摘要

PROBLEM TO BE SOLVED: To provide a POS system preventing illicit use of a card while allowing settlement for a commodity charge by the card.;SOLUTION: This POS system 1 is provided with a credit card reader 10 reading card information, a register device 20 having a display, and a POS server to which the credit card reader 10 and the register device 20 are connected. The POS server 30 refers the card to a card company server 50, and the number of reference is counted by a counter 32a counting every time a different card is referred until end of settlement. A data processing part 32 in the POS server 30 transmits a control signal for displaying a message on the register 20 when the number of reference reaches a predetermined number.;COPYRIGHT: (C)2006,JPO&NCIPI