| 摘要 |
PROBLEM TO BE SOLVED: To alarm a game player when bank bills or a prepaid card inadvertently left at the bank bill holder of the game machine and prevent them from theft. SOLUTION: The bank bill holder 3 is constructed with a back board 3b and a door 3a of a transparent member driven to open and close by a motor 7 against the back board 3b. The bank bill holder 3 is equipped with a bank bill detector 6 and an optical alarm unit 5a, and the slot machine 1 is equipped with a token counter 19 which counts the number of tokens credited, an account settlement button 17 and a voice alarm unit 5b. The door 3a is closed when the bills are stored in the bank bill holder 3, and the door 3a opens when the player continues to play or operates the account settlement button 17 and the number of the tokens credited decreases to only 2 tokens. When the account settlement button 17 is operated, the optical alarm unit 5a and the voice alarm unit 5b are activated. COPYRIGHT: (C)2007,JPO&INPIT
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