Alarm sensor multiplexing

G - Physics – 08 – B

Patent

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Details

G08B 25/00 (2006.01) B60R 25/10 (2006.01) G07C 9/00 (2006.01) G08B 25/01 (2006.01) G08B 25/10 (2006.01) G08C 17/02 (2006.01) G08C 19/16 (2006.01) G08C 19/22 (2006.01) G08C 19/28 (2006.01) H04B 1/69 (2006.01)

Patent

CA 2222143

A security system for monitoring a protected area and sounding an alarm comprising at least one sensor arranged about a protected area for sensing incoming threat, means for generating at least one pulse for each sensor activated by the incoming threat to the area, an alarm controller for receipt of the pulses and sounding of an alert; and, a single wire (85) connecting outputs of sensors to the controller (35) for transmitting the pulses generated by these sensors to the controller.

Système de sécurité servant à surveiller une zone protégée et à déclencher une alarme sonore comportant au moins un détecteur d'intrusion placé à la périphérie de ladite zone, un moyen de production d'au moins une impulsion par détecteur activé par l'intrusion, une commande d'alarme recevant ladite impulsion et commandant l'alarme et une liaison monofilaire (85) reliant les bornes de sortie des détecteurs (85) à la commande (35) de manière à transmettre à celle-ci les impulsions provenant des détecteurs.

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