| 摘要 |
PURPOSE:To easily change data by using a second memory device operated loadably/unloadably freely and in which a large amount of data to perform the sale control of an automatic vending machine are stored in advance. CONSTITUTION:A first memory device 1 stores a sale price and sale information by every product, and the second memory device 2a stores the sale price and the sale information by every product desired to store in the device 1 in advance, and it is constituted so that it can be mounted loadably/unloadably on a memory device mounting means 2b. An arithmetic operation control part 3 performs decision whether or not the means 2a is connected to the means 2b, and the data is written on the device 1 automatically by the command of the control part 3 when they are connected. And the control part 3 performs the control of the sale of the product based on the sale price and the sale information by every product stored in the device 1. In such a way, it is possible to store desired sale control data on the device 1 and to change the data. |
