| 摘要 |
PROBLEM TO BE SOLVED: To solve the problem of a conventional pinball game machines that an unfair act may be carried out because a process cycle of a CPU is recognized by a drive cycle of a player recognizable driven device. SOLUTION: Driven devices such as an ordinary symbol display device 11, a special symbol display device 12, a state display device 15, an ordinary electrical prize winning device 17 and a jackpot winning port 18 are driven by an output drive circuit 38 outputting drive signals based on drive data retained in a data latch circuit 39 synchronized with a specific cycle of 8 [msec] by an input of a dividing clock signal from a dividing circuit 41. Accordingly an output cycle of drive data outputted in 2 [msec] of a predetermined cycle from a data output means by controlling the main CPU 32 and an output cycle of drive signals outputted in 6 [msec] of a specific cycle from the output drive circuit 38 come to be different from each other and a player becomes unrecognizable of a control processing cycle of the main CPU 32. COPYRIGHT: (C)2009,JPO&INPIT
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