| 摘要 |
PURPOSE:To facilitate the purchase of items at various exchange rates inside a vehicle or an airplane by providing a terminal for each group of a plurality of seats inside the airplane or so and storing information such as both a menu containing a list of items able to be purchased and a list of applicable currencies, and exchange rates, in a central controller. CONSTITUTION:A central controller 1 is provided with a memory means 24a in which a menu containing a list of applicable currencies and a list of items able to be purchased inside a vehicle is stored, a memory means 24b in which exchange rate information is stored, a calculating means 19 which calculates the money on the basis of the applied exchange rate, and sending means 28 and 29 which send the menues and the exchange rate information to a plurality of terminals 6a.... Meanwhile each of a plurality of terminals 6a is provided with a display means 63 displaying menues, a selecting means 67 by which the item of the menues is selected, and sending means 7a... from which information of the item selected from the menues is sent to the central controller 1. One kind of currency is specified on the terminal 6a,..., information of the specified currency is sent to the central controller 1 and when a certain item is ordered, the payment is charged based on the specified currency by the calculating means 19. |
