| 摘要 |
PROBLEM TO BE SOLVED: To allow rapid selection of a payment device for payment in accordance with the state of each payment device.SOLUTION: A registration device includes: designation means that selects a payment device from a plurality of payment devices to make payment on the basis of transaction data of registered commodities and designates the payment device; transmission means for transmitting the transaction data so that the payment can be made by the payment device designated by the designation means; and display means for displaying to show which of the plurality of payment devices is in use or not in use. The payment devices include payment means for allowing the payment devices not to be in use, once the payment based on the transmitted transaction data is completed. The display means displays to show that the payment devices having received the transmitted transaction data are in use, and displays to show that the payment device with which the payment has been completed, of the payment devices having received the transmitted transaction data, or the payment device undesignated in the designation means is not in use.SELECTED DRAWING: Figure 1 |
