Patent ID: 8458017

Claim:
A method for making payment of a transacted price to which a discount is applied by using temporary card numbers, the method comprising the steps of: (a) using a mobile terminal for receiving geographical location information as to the location of the mobile terminal from a location information system and for transmitting a request for a location-based discount based upon a purchase from a store at a location within the vicinity of the mobile terminal to a discount medium management device for establishing a discount to be applied to the purchase from at least one discount medium available within the area of such location; (b) the discount medium management device transmitting to the mobile terminal at least one discount medium for at least one store within the vicinity of the location of the mobile terminal in response to the request for the location-based discount; (c) displaying the at least one discount medium for selection of at least one discount by the user of the mobile terminal, (d) using the mobile terminal for transmitting temporary card number issue information to a temporary card number issue device for issuing a temporary card number which includes the discount selected by the user in step (c); (e) transmitting the selected temporary card number from the temporary card number issue device corresponding to the temporary card number issue information numbers to the mobile terminal; (f) using the mobile terminal for transmitting payment information to an authorization terminal (CAT) and to a payment server including the temporary card number and discount information for determining the discount to be deducted from the transacted price including information relative to the payment medium to be used for paying the transacted price; (g) using the payment server to determine if a payment request by the user has been made prior to step (f) within a pre-determined time period from when the temporary card number is received, and for extinguishing the issued temporary card number if the payment request has not been made in the required time period; and (h) using the CAT for transmitting a request for authorization of a transaction to the payment server and receiving the authorization of the transaction from the payment server based upon the determination in step (g) that a request for payment was made by the user within the time period.