| 摘要 |
PROBLEM TO BE SOLVED: To provide a means for preventing and suppressing a fraudulent action using electromagnetic waves to the putout device of a game machine.SOLUTION: The putout device for putting out a prescribed number of game balls in the game machine includes: a first induction type proximity switch for counting the game balls that are put out; and an electromagnetic wave detection part for detecting at least electromagnetic waves affecting correspondence relation between a position state between the detection area of the first induction type proximity switch and the game ball and the change of an oscillation state in the induction type proximity sensor. |
