| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pinball game machine capable of effectively preventing an illegal act what is called big ball fraudulence performed by erroneously actuating a proximity switch. <P>SOLUTION: The pinball game machine includes a plurality of ball entry means allowing the entry of game balls, and ball entry detecting means for detecting the game balls that have entered the respective ball entry means. The pinball game machine is configured to return to a player predetermined advantage such as putout of prize balls based on determination of ball entry into the respective ball entry means based on detection signals of the ball entry detecting means. The pinball game machine is configured to count the number of continuous entry balls for every ball entry means (S17) and to give error notification (S21) on condition that the number of continuous entry balls exceeds the predetermined upper limit number (S18: Yes). <P>COPYRIGHT: (C)2012,JPO&INPIT |
