| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine preventing a fraud by detecting a false token supply using a fraudulent device. SOLUTION: This game machine such as a slot machine detecting and storing the supplied tokens is provided with a monitor device monitoring the number of tokens and notifying abnormality when detecting such number of tokens that are practically impossible to be supplied within a predetermined time. This constitution can prevent the fraud by the false token supply. COPYRIGHT: (C)2006,JPO&NCIPI
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