Nuisance alarm filter

G - Physics – 08 – B

Patent

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Details

G08B 19/00 (2006.01)

Patent

CA 2600107

An alarm filter (22) for use in a security system (14) to reduce the occurrence of nuisance alarms receives sensor signals (S1-S n, S v) from a plurality of sensors (18, 20) included in the security system (14). The alarm filter (22) produces an opinion output as a function of the sensor signals and selectively modifies the sensor signals as a function of the opinion output to produce verified sensor signals (S1'-S n').

L'invention porte sur un filtre d'alarme (22) utilisé dans un système de sécurité (14) afin de réduire le déclenchement d'alarmes intempestives, recevant des signaux de détection (S<SUB>1</SUB>-S<SUB>n</SUB>, S<SUB>v</SUB>) d'une pluralité de détecteurs (18, 20) disposés dans le système de sécurité (14). Ce filtre d'alarme (22) sort une opinion en tant que fonction des signaux de détection et modifie les signaux de détection de manière sélective en tant que fonction de l'opinion sortie afin d'obtenir des signaux de détection vérifiés (S<SUB>1</SUB> -S<SUB>n</SUB> ).

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