Improvements in and relating to alarms

G - Physics – 08 – B

Patent

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G08B 21/12 (2006.01) G08B 17/00 (2006.01) G08B 29/04 (2006.01) G08B 29/14 (2006.01)

Patent

CA 2751044

An alarm for detecting radiation and/or air pollutants such as smoke, carbon monoxide or the like has a control circuit (11) including a microcontroller (12) configured to monitor preselected alarm parameters, and memory means (30, 36, 40) for storing data representing said parameters. The microcontroller (12) has an input/output means (3) connectible both to a preselected voltage level for switching said control circuit between an operational mode and a shutdown mode and to an external processing means for enabling downloading and display of said data.

L'invention porte sur un dispositif d'alarme pour détecter un rayonnement et/ou des polluants de l'air tels que de la fumée, du monoxyde de carbone ou autre. Ledit dispositif d'alarme possède un circuit de commande (11) comprenant un microcontrôleur (12) configuré pour surveiller des paramètres d'alarme présélectionnés, et un moyen de mémoire (30, 36, 40) pour stocker des données représentant lesdits paramètres. Le microcontrôleur (12) possède un moyen d'entrée/sortie (3) pouvant être connecté à la fois à un niveau de tension présélectionné pour commuter ledit circuit de commande entre un mode de fonctionnement et un mode d'arrêt et à un moyen de traitement externe pour permettre un téléchargement et un affichage desdites données.

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