| 摘要 |
PURPOSE: A controller of a commercial use bubble generator is provided to produce festive atmosphere by generating bubbles as much as a period of time corresponding to the amount of money. CONSTITUTION: A money sensor(213) is used for sensing coins and bills inserted into a coin hole(211) and a bill hole(212), discharging bad coins and bad bills, sensing the amount of money, and storing normal coins and normal bills. A bad coin discharge hole(214) is used for discharging the bad coins. A coin/bill storage unit(215) stores the coins and the bills, respectively. An operational button(216) is used for determining a bubble period. A dip switch(217) is used for controlling a period for generating bubbles. A controller(219) is used for displaying the amount of money and the bubble period to an LCD/LED(218) and generating a driving control signal during the bubble period. A driver(220) is used for generating a driving signal of a bubble generator(230) corresponding to the driving control signal. |
