Importance

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Abstract

A guidance apparatus in case of emergency evacuation comprising a laser which is disposed within a building or the like in such way that a laser beam emitted from the laser is directed in the direction in which evacuees must escape or is directed from the side of an emergency exit toward the interior of the building or the like; abnormal condition detection means for detecting the occurrence of an abnormal condition in the building or the like and generating a detection signal representative of the occurrence of an abnormal condition; and a control unit which is connected to the laser and the abnormal condition detection means and which, in response to the detection signal, energizes the laser. When an abnormal condition such as fire occurs within the building or the like, the detection means detects the occurrence of an abnormal condition and generates a detection signal, in response to which the laser in energized to emit a laser beam directing the direction in which evacuees must escape.

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First Claim