| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine having a game ball detecting means such as a touch panel and configured to detect the locations of a plurality of game balls by the game ball detecting means. SOLUTION: A display position detecting means (the game ball detecting means) 23 of the Pachinko machine PM comprises a sensor device 20 with a plurality of light emitting elements 49 and light receiving elements 51 to enclose a moving area 46, and a storing means 271 previously storing ineffective locations within the range of the moving area 46 in which game balls can not move. The locations of game balls are specified by removing the ineffective locations from the detected locations of game balls. COPYRIGHT: (C)2008,JPO&INPIT
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