| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To inhibit a fraudulent act by precisely detecting the fraudulent act by a fraudulent player. <P>SOLUTION: A Pachinko game machine in a certain mode includes: a discharge passage for leading a game ball entering a winning hole to a back side of a game board; a first detection part provided in the discharge passage to detect the passage of a game ball; a second detection part provided at a downstream side of the first detection part in the discharge passage to detect the passage of a game ball; and an error determination means of determining an error when an accumulated non-detection time of game balls by the second detection part reaches a set number of times until a set time passes after the first detection part detects a game ball. <P>COPYRIGHT: (C)2013,JPO&INPIT</p> |
