| 摘要 |
PURPOSE:To promote the sales at a gas station by reducing management costs to cut down sales prices of fuel oils. CONSTITUTION:A gas station 1 is equipped with oil feeders 3 that feed vehicles with fuel oil and output electric signals corresponding to the supply amounts of fuel oil, arithmetic devices 4A that calculate the supply amounts of fuel oil and the oil supply charges based on the electric signals from the oil feeders 3, indicators that indicate the oil supply amount and charges calculated by the arithmetic devices 4A, payment adjusting devices 5 that store data on the oil supply charges calculated by the arithmetic devices 4A and output gate open signals when customers pay the oil supply charges, and gate devices 6 that perform controls to open gates and allow the vehicles to pass when the payment adjusting devices 5 output gate open signals. |
