PROBLEM TO BE SOLVED: To provide an enclosed pinball game machine that prevents a fraud on a main controller via a frame controller and avoids, through determination by the frame controller based on a change of a game state, unnecessary continued locking of a launch strength.;SOLUTION: The enclosed pinball game machine comprises: launch strength adjustment means to adjust a launch strength of a game ball from an initial strength to a desired strength; launch strength locking means to lock the launch strength; unlocking means to unlock the launch strength; and initial setting means to set the launch strength to the initial strength in response to the unlocking means unlocking the launch strength. The frame controller can communicate with the main controller, but only unidirectionally from the main controller. The frame controller comprises: state change determination means to determine a change in a game state in the pinball game machine; and unlock instruction means to instruct the unlocking means to unlock the launch strength when the state change determination means has determined a change to a prescribed game state.;SELECTED DRAWING: Figure 17;COPYRIGHT: (C)2019,JPO&INPIT
展开▼
