| 摘要 |
PURPOSE:To instantaneously grasp the sales quantity, sales amount, etc., of a commodity selling device through a POS register by connecting the commodity selling device to the POS register. CONSTITUTION:When the commodity seling device 100 selects a commodity, commodity sales information entered through a selection switch part 103 is stored in a data storage part 105. The commodity sales information stored in the data storage part 105 is sequentially informed to an I/O interface part 102 and transferred to the POS register 200 through a connection line 400. The commodity sales information inputted by an I/O interface part 202 in the POS resister 200 is stored in a data storage part 204. The commodity sales information stored in the data storage part 204 is informed to an I/O interface part 202, transferred to an I/O interface part 302 in a shop control information processor 300 through a connection line 400 and stored in an external storage device 307. |
