| 摘要 |
An emergency alarming apparatus primarily comprises one or more sensing modules, a control module and one or more display unit. Upon sensing a fire or an emergency, the sensing module sends a signal to the control module, and then the control module sends a control signal to the display units disposed in all floors or areas in a building to display a category to which the fire or emergency belongs and the floor or area where the fire or emergency is taking place on the display units, thus accomplishing the alarming and guiding purpose.
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