| 摘要 |
PROBLEM TO BE SOLVED: To provide a pinball game machine which preventing the maloperation of a noncontact sensor caused by the stain on a glass (transparent plate). SOLUTION: The pinball game machine includes noncontact sensors 41a, 41b which are arranged on the rear side of a glass plate covering the front side of a game region and detect an object based on the reflected light of light projected to a fixed direction, performs the sensor rendering based on the detected results of the noncontact sensors 41a, 41b, and announces, during checking sensors, whether or not the noncontact sensors 41a, 41b are under detection operation using an image and LED or the like (S12). COPYRIGHT: (C)2011,JPO&INPIT |
