Directional sound system with messaging

G - Physics – 08 – B

Patent

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G08B 17/10 (2006.01)

Patent

CA 2565826

An exit path indicating device incorporates at least a first port for receiving an alarm indicating signal. In normal operation upon receipt of the alarm indicating signal, the device outputs verbal and non-verbal indicators of the presence of an alarm condition for use in evacuating the region. A second port disables the non-verbal outputs. The second port can be coupled to a local sensor which provides an indication of a hazardous or alarm condition adjacent to or on the exit or egress path. If the sensor is indicating the presence of a hazardous or alarm condition, the non-verbal outputs can be disabled, while verbal directions can continue to be emitted.

Cette invention concerne un dispositif d'indication de chemin de sortie comprenant au moins un premier port conçu pour recevoir un signal d'alarme. Dans un mode de fonctionnement normal, à réception du signal d'alarme, le dispositif produit des indications verbales et non verbales relatives à la présence d'une condition d'alarme qui nécessite l'évacuation de la zone. Un second port désactive les sorties non verbales. Le second port peut être couplé à un détecteur local qui fournit une indication relative à une condition dangereuse ou d'alarme à côté ou sur le chemin de sortie ou d'évacuation. Si le détecteur indique la présence d'une condition dangereuse ou d'alarme, les sorties non verbales sont désactivées, alors que les indications verbales peuvent être émises.

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