| 摘要 |
<p>An emergency evacuation guiding apparatus consisting of a laser oscillator disposed so that a laser beam is oscillated in a direction of emergency evacuation or from the side of an emergency exit toward the interior of a building, an abnormality detector adapted to detect abnormality occurring in the building and send out an abnormality signal, and a control unit connected to said laser oscillator and said abnormality detector and adapted to actuate the laser oscillator on receiving the abnormality signal, all of which are provided in the building. When abnormality such as a fire occurs in a building, the abnormality is disclosed detected and the laser oscillator is actuated by an abnormality signal to oscillate a laser beam indicating a direction of emergency evacuation.</p> |
