| 摘要 |
PROBLEM TO BE SOLVED: To provide a game machine provided with a door sensor capable of securing safety against fraudulent actions of invalidating a sensor or the like. SOLUTION: The game machine comprises: a case body 120; a door 130 provided on the front surface of the case body; a reflection means 10 provided on the inner side of the door; a light emitting part 11 provided inside the case body for irradiating the reflection means with light; and a light receiving part 12 provided inside the case body for receiving the light of the light emitting part through the reflection means. On the basis of the output of the light receiving part, the opening and closing of the door are detected. COPYRIGHT: (C)2006,JPO&NCIPI
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