| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a pinball game machine capable of quickly detecting abnormality of winning while preventing a fraudulent winning of a variable winning device.SOLUTION: The pinball game machine includes discharge check means that determines whether the number of game balls entering variable winning means (an attacker) matches with the number of game balls discharged from the variable winning means to check the discharge of the game balls from the variable winning means. In a normal operation state (a normal round), nonspecific area passage detection means (a nonspecific area sensor) is used for detecting game balls discharged from the variable winning means. In a special operation state (a special round), specific area passage detection means (a specific area sensor) or the nonspecific area passage detection means is used for detecting game balls discharged from the variable winning means.</p> |
