FIELD: engineering of systems for producing, storing and processing electronic vouchers of clients using mobile communications or personal digital assistant.
SUBSTANCE: mobile system includes devices for exchanging information in process of purchasing from a terminal which is used for payment. In the system, electronic vouchers, corresponding to discounts, are offered to clients. As soon as an electronic voucher is received, it is stored in mobile system storage. Codes of sold product units are read on terminal used to make purchases, and the list of vouchers stored in mobile system is transferred to purchasing terminal. List of vouchers is compared to list of sold product units and, if voucher is present for one or several product units, a total of discounts of aforementioned vouchers is automatically subtracted from total sum of purchase.
EFFECT: increased efficiency of trading operations.
2 cl, 2 dwg
