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METHOD FOR ALLOWING ALARM SEISMOMETER TO CONTINUE FUNCTIONING AT BLACKOUT AND ALARM SEISMOMETER
METHOD FOR ALLOWING ALARM SEISMOMETER TO CONTINUE FUNCTIONING AT BLACKOUT AND ALARM SEISMOMETER
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机译:允许断电报警器继续工作的方法和报警地震仪
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摘要
PROBLEM TO BE SOLVED: To allow an alarm seismometer to continue functioning to ensure safety at earthquakes, by operating a mode switching device at blackout and stopping the power sources of all the equipment of the alarm seismometer other than the equipment necessary for outputting a train control signal.SOLUTION: In order to allow an alarm seismometer to continue functioning at blackout, the power sources of all the equipment of the alarm seismometer other than the equipment necessary for outputting a train control signal are stopped at blackout by operating a mode switching device so that the most basic function of the seismometer to output a train control signal will continue as long as possible at blackout.SELECTED DRAWING: Figure 2
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