| 摘要 |
PROBLEM TO BE SOLVED: To be different from a conventional slot machine by surely notifying only a player of the internal winning of a bonus game or the like without being noticed by surrounding people, evading the rise of a fault generation rate due to addition of movable members and requesting a new operation to the player in order to recognize the internal winning further. SOLUTION: In the slot machine 1, a light emitting part 51a which can be hidden by a fingertip is provided on a part of the pressing operation surface 51b of stop buttons 51L, 51C and 51R, and the winning of internal drawing is notified by the light emitting operation of the light emitting part 51a. COPYRIGHT: (C)2009,JPO&INPIT
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