| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine for detecting a fraudulent act by a magnet in almost all game areas without lowering visibility of the game area. SOLUTION: The game machine 1 includes: a game board 20 having an almost circular game area 21 where game balls are shot; a frame member 3 which is placed on the front surface side of the game board 20 and has a window part 5 through which the game area 21 is visible; a transparent plate unit 4 attachable/removable to and from the window part 5; a coil 12 which is provided at transparent plate unit 4 and wound around the periphery of the game area 21; and a fraudulence detection part 53 for detecting the fraudulent act on the basis of induced electromotive force generated in the coil 12. COPYRIGHT: (C)2010,JPO&INPIT |
