| 摘要 |
PURPOSE:To buy desired merchandise while staying in a car by operating a merchandise selecting means after pulling it into the car so as to select the merchandise to be displayed on a merchandise display means. CONSTITUTION:A customer pushes an ON key 8 of a first keyboard 7 so as to display the rough classification of merchandise on the screen of a display device 6 and next, the item of objective merchandise is selected from this rough classification of merchandise. Then, a numerical key 9 of the identification number is pushed and continuously, a shopping key 10 is pushed to display the subordinate classification of merchandise on the screen of the display device 6. Afterwards, the item of objective merchandise is selected from this subordinate classification of merchandise, and the numerical key 9 of the identification number is pushed. Therefore, the customer can selectively display the objective merchandise on the screen of the display device 6 only by operating the first keyboard 7 in a car C. Thus, shopping is enabled while staying in the car C. |
