| 摘要 |
PURPOSE:To enjoy a fair game by limiting the setting/changing period not to inhibit technical intervention to the individual games of players in a game machine capable of arbitrarily selecting a preset value for giving a great influ ence upon the result of a game. CONSTITUTION:A variable display device for playing a variable display game and a variable prize winning device controlled to open and close according to the result of a game are installed on a game board. The probability of occurrence of bonanza of a game is controlled to a preset value, and the preset value is set/changed by inputting a signal from a game setting means 400 by a preset value defining part 1600I. The setting/changing period is the amount of time from the power is applied to a timer by the operation of a setting period limiting means 1610 until the time counts a designated time, or the setting period limiting means 1610 determines the start of a game according to signals from a ball discharge detecting device and a ball detecting device. Thus, as the game of the day is played according to the once selected control condition, the control mode for the probability of occurrence of bonanza during business can not be changed. |
