| 摘要 |
PROBLEM TO BE SOLVED: To prevent a fraud by detecting cases such as opening an opening frame door without using a key and detaching a body member from an outer frame and performing an error notification. SOLUTION: This game machine is provided with a frame part for mounting the game machine, a game board, a control device, a body part openably, turnably, or detachably mounted on the frame part, the opening frame door openably or turnably mounted on the front side of the game machine, and a locking mechanism fixing the body part to the frame part and fixing the opening frame door to the body part. This game machine is further provided with a first sensor detecting that the opening frame door is separated from the body part, a second sensor detecting that the body part is separated from the frame part, a third sensor that a key for releasing the lock is set in the locking mechanism, and a control part generating an alarm signal based on outputs from the first sensor, the second sensor and the third sensor. COPYRIGHT: (C)2005,JPO&NCIPI
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