| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide discount services of gasoline to customers, or the buyers of the commodities without spending a large economical cost and time when a gas station manager performs sales or auxiliary sales action of the 'commodities' and 'services' for dealers selling commodities except for gasoline. <P>SOLUTION: An IC card or a magnetic card having a storage function receiving a discount service to a prescribed quantity is issued to the specific customer D and, when the customer comes to be filled with the gasoline to the gas station A and inserts the card into a 'card reader' interlocked with filling equipment, the filling quantity for each time is automatically subtracted till the upper limit quantity, the residual quantity is printed in the rear surface of the card, and when it reaches the upper limit, the card is annuled. A function storing the IC card or the magnetic card information is incorporated in a host computer in the side of the dealers B selling other commodities except for the gasoline as another means, so that the information of filling quantity is directly collected from the gas station using information communication circuit. <P>COPYRIGHT: (C)2004,JPO |
