| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide an emergency light system with a communication function as well as a lighting function. SOLUTION: An emergency light system is provided with a lighting function, an illuminance sensor 2A for detecting the ambient brightness, and a communication function. In the lighting function, during the ordinary time when there is no service interruption, low illuminance lighting is performed when it is judged dark and the lighting is stopped when bright based on a signal from the illuminance sensor 2A. During service interruption, high illuminance lighting performed when it is judged dark and the lighting is stopped when bright based on the signal from the illuminance sensor 2A; at the time of lighting, the location of an emergency light system can be recognized in conjunction with lighting the surroundings. Thus, during the ordinary time not at the time of service interruption, the low illuminance lighting is performed when it is dark such as nighttime, and during service interruption, the high illuminance lighting is performed when dark such as nighttime, whereby the system location can be recognized much easier, and communications can be established by using the communication function. In addition, the surroundings becomes bright enough this time by the high illuminance lighting so that safe activities can be conducted upon emergency.</p> |
