| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine properly detecting a fraud, while reducing the number of times of detecting a fraud by few detection means.SOLUTION: The game machine according to the present invention includes: first detection means consisting of one detection means capable of detecting a game ball; second detection means consisting of a plurality of detection means that are disposed apart from the first detection means and disposed on a ball passage in common with the first detection means; first counting means for counting the number of game balls detected by the first detection means; and second counting means executing the counting by totaling the number of game balls detected by the respective second detection means. The game machine determines the fraud on the basis of the number of game balls counted by the first counting means after a lapse of a prescribed monitoring time, and the number of game balls counted by the second counting means.SELECTED DRAWING: Figure 9 |
