| 摘要 |
PROBLEM TO BE SOLVED: To easily grasp the generation number, the frequency or the like of events by making the best use of history data in a disaster prevention display device. SOLUTION: This disaster prevention display device connected to a disaster prevention system provided with a plurality of terminals, and disaster prevention receivers for monitor-controlling the respective terminals, having a display means, for receiving event data in the terminals from the disaster prevention receivers, and for accumulating the data to be served as the history data is provided with a tabulation means for totalizing the history data, and a tabulation data by the tabulation means is displayed on the display means, in the disaster prevention display device. COPYRIGHT: (C)2004,JPO
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