| 摘要 |
PURPOSE:To contribute to sales promotion and the securing of a fixed customer by transmitting data among plural terminal information devices, a relaying computer and a main computer and managing the purchasing time point information at every customer. CONSTITUTION:When a customer purchases the goods, first, a reader 10 is scanned on the bar code 2 of a customer card 1 and a customer code number is read. Continuously, the number of the chip of the prescribed ratio corresponding to a goods purchasing amount is inputted by a keyboard 21, stored into a memory 25 together with a customer code number and transferred to a relaying computer 30. At the computer 30, a customer code number and the number of the chip corresponding to a terminal code number are stored into a memory 35, these data are successively stored into an external memory device 37 and a daily data base is prepared. When the data are transferred from the computer 30, in a main computer 50, the external memory device 57 receives the transfer data automatically, stores them as a monthly data file and the summed-up and analyzed data are printed and outputted from a printing device 58. |
