| 摘要 |
PROBLEM TO BE SOLVED: To prevent the state that an image is disturbed or frozen as far as possible by constructing a mechanism in which a performance managing device monitors an image reproducing device at all times and reactivating the image reproducing device at the time of detecting abnormality. SOLUTION: An abnormality detection means (game managing CPU 21) in the performance managing device monitors display control signals generated and transmitted for each frame display from the image reproducing device (image reproducing CPU 31) and detects the abnormality of the image reproducing device when the display control signal is not detected within prescribed time. Also, a reset control means (game managing CPU 21) in the performance managing device outputs reset signals to the image reproducing device and restores game performance display by a display monitor after the abnormality is detected. COPYRIGHT: (C)2005,JPO&NCIPI
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