| 摘要 |
PROBLEM TO BE SOLVED: To validly present a display effect by changing display contents corre sponding to much or little in the number of sold articles or passers-by in front of a vending machine. SOLUTION: Plural pieces of display data such as CM data are held in a memory 2, the number of sold articles is counted by time zones inside a main control part 1, the number of passers-by in front of the vending machine is detected, counted by time zones by a human body detecting sensor 15 and ranked by time zones. Besides, the plural pieces of display data are ranked as well and the time zone to display each of display data on a display device 14 is determined on the basis of the ranking. Further, a temperature sensor 16 and a humidity sensor 17 are provided and an article CM to be displayed is selected corresponding to temperature and humidity.
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