| 摘要 |
PURPOSE:To permit a clerk to know remaining goods quantity in a automatic vending machine at real time and to keep the goods from being sold-out. CONSTITUTION:Sensor interface parts 201-203 on a control part 2 are for sending information when goods 501-503 pass sensors 401-403 to a one-chip microcomputer 204. Information sent to the one-chip microcomputer 204 is sent to a POS terminal 3 through an interface part 205. The POS terminal 3 manages the quantity of the remaining goods 501-503 and displays the name of goods of which number becomes smaller so as to notice it to the operator. |
