| 摘要 |
PROBLEM TO BE SOLVED: To improve the precision in determining whether a control command transmitted from a main control board is appropriate or not, and to secure the fair and appropriate operation of a game machine by eliminating adverse effects of noise, etc., without requiring repeated preparation/transmission of the same control command in the main control board or a response by the interactive communication. SOLUTION: The game machine comprises the game machine main control board 10, and a plurality of subordinate control boards 20, 30, 40 and 50. The main control board 10 and the subordinate control boards 20, 30, 40 and 50 are connected with communication lines 110, 120, 130, 140 and 150 to form a ring so that a control command issued from the main control board 10 goes around the ring. Each subordinate control board 20, 30, 40 or 50 determines whether the control command for each of them is appropriate or not by comparing the contents of the control command whose receiving process is completed and the contents of control commands for other subordinate control boards. COPYRIGHT: (C)2005,JPO&NCIPI
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