| 摘要 |
PROBLEM TO BE SOLVED: To allow a player to continue to play a game without additionally lending game media even when a player has no game medium in hand on a jackpot, and also to prevent drawback in a game parlor. SOLUTION: Each game machine device arranged corresponding to a game machine is configured to count the game media received from the game machine, acquire a jackpot signal indicating that the game machine is in a jackpot state, perform the overdraft of the prescribed number of game media when the jackpot signal is acquired, and then, cancel the number of game media with the overdraft, on the basis of the count value of the counted game media. COPYRIGHT: (C)2011,JPO&INPIT
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