| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a pinball game machine capable of suppressing damage of a fraud by magnetism by determining whether it is a state non-detecting the magnetism by a magnetic detection member or not, by a game machine itself and notifying it when being the state non-detecting the magnetism. Ž<P>SOLUTION: A game control device recognizes magnetism by magnetic sensors 311-317; executes a notification by magnetic detection notification means, wherein the magnetic sensors have permanent magnets 301, 302 and 305 and electromagnets 303 and 304 for generating the magnetism detectable by the magnetic sensors; and includes state change means for changing over between a detectable state capable of detecting the magnetism and an undetectable state incapable of detecting it, determination means determining, as a normal condition, detection of the magnetism by the magnetic sensors during the detectable state, while determining, as an abnormal condition, detection of the magnetism by the magnetic sensors duringthe detectable state, and abnormality notification means notifying of the occurrence of the abnormality to the magnetic sensors when the determination means does not detect the magnetism when becoming the detectable state. Ž<P>COPYRIGHT: (C)2010,JPO&INPIT Ž
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