| 摘要 |
PROBLEM TO BE SOLVED: To facilitate the exchange of a game control board and to prevent the troubles of contact defects or the like or malfunctions by noise or the like accompanying the exchange. SOLUTION: A hit ball sensor 7 for detecting the entrance or passing of a hit ball, motor-driven opening/closing winning devices 8 and 9, a pattern variation display device 11 and a display lamp 12 are provided on the entire surface of a game panel and a relay board 20 wired thereto respectively is provided on the rear side of thus game machine. The relay board is provided with a transmitter 24 for converting the electric signals of the hit ball sensor to optical signals and outputting them and a receiver 25 for operating the motor-driven opening/closing winning devices, the pattern fluctuation display device and the display lamp, etc., corresponding to the input of the optical signals. Also, the game control substrate 30 consisting of a ROM 31 in which game contents are recorded and an MPU 32 for executing the contents is provided with the receiver 34 and the transmitter 35 respectively corresponding to the transmitter 24 and the receiver 25. The game control substrate is freely attachably and detachably arranged on the rear side of the game machine and information required for a game is transmitted and received by optical communication between the game control board and the relay board. |
