초록 ▼

A retail unit facilitating a purchase of a customer having an electronic wallet (9) which includes an electronic checkbook (320) and an electronic purse (310). The retail unit includes a POS (10) which determines the purchase price, and a payment unit (8) for receiving payment from electronic wallet

A retail unit facilitating a purchase of a customer having an electronic wallet (9) which includes an electronic checkbook (320) and an electronic purse (310). The retail unit includes a POS (10) which determines the purchase price, and a payment unit (8) for receiving payment from electronic wallet (9). Payment unit (8), upon receipt of an electronic wallet (9) and of a purchase price from POS (10), determines automatically whether to: (a) receive via electronic checkbook (320) a purchase price.gtoreq. a predetermined minimal checkbook payment sum; or, (b) receive the purchase price from electronic purse (310); or, (c) first replenish the electronic purse (310) via electronic checkbook (320) with at least the larger of a predetermined minimal purse replenishment sum and the difference between the purchase price and the electronic purse's stored value, and then receive the purchase price from electronic purse (310).

대표청구항 ▼

[ I claim:] [1.] A retail unit serving a customer on a purchase, the customer having an electronic wallet for paying for a purchase via its electronic checkbook sums equal to or larger than a predetermined minimal checkbook payment sum, for paying from its electronic purse sums equal to or smaller t

[ I claim:] [1.] A retail unit serving a customer on a purchase, the customer having an electronic wallet for paying for a purchase via its electronic checkbook sums equal to or larger than a predetermined minimal checkbook payment sum, for paying from its electronic purse sums equal to or smaller than the value stored therein, and for paying for replenishing the electronic purse via the electronic checkbook sums equal to or larger than a predetermined minimal purse replenishment sum, the retail unit comprising:a point of sale for determining a purchase price; anda payment unit including an electronic cash drawer, communicating with said point of sale for retrieving said purchase price therefrom and interfacing with said electronic wallet for automatically selecting, according to said purchase price, said value stored in said electronic purse, said minimal checkbook payment sum and said minimal purse replenishment sum, whetherto receive said purchase price via said electronic checkbook, orto receive said purchase price from said electronic purse and deposit it in said electronic cash drawer, orto receive via said electronic checkbook a calculated purse replenishment sum which is at least the larger of said minimal purse replenishment sum and the difference between said purchase price and said value stored in said electronic purse, and to transfer from said electronic cash drawer to said electronic purse the difference between said calculated purse replenishment sum and said purchase price.