| 摘要 |
PROBLEM TO BE SOLVED: To provide a prize ball game machine and a centralized management device therefor by which an illegal act is prevented by instantaneously specifying the prize ball game machine where an illegal act is performed among the multiple game machines without modifying the game machine at all when a certain kind of illegal act is performed in the prize ball game machine. SOLUTION: The signal reading processor is characterized in such a way that electric signals of various kinds of game information obtained from the prize ball game machine are stored in real time or at every fixed time.
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