System and method for detecting and reporting defective...

H - Electricity – 04 – M

Patent

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H04M 1/82 (2006.01) H04M 11/04 (2006.01) H04M 15/00 (2006.01)

Patent

CA 2458382

Optically isolated input circuits and a processor (202) interface with either a switch closure event detector (220) or a pulse generator to rapidly detect changes in the status of inputs representing events such as telephone line (106) cuts and emergency conditions. The processor determines telephone line status by applying software algorithms (214) to data acquired with a voltage sampling circuit (208, 210). The processor initializes a radio module (204) to wirelessly transmit information regarding detected events over a local wireless system to an event clearinghouse.

L'invention se rapporte à des circuits d'entrée isolés optiquement, et à une interface processeur dotée d'un détecteur d'événements à fermeture par commutateur ou d'un générateur d'impulsions, qui permettent de détecter rapidement des modifications de l'état d'entrées représentant des événements tels que des coupures de lignes téléphoniques et autres situations exceptionnelles. Le processeur détermine l'état des lignes téléphoniques par l'application d'algorithmes logiciels à des données acquises à l'aide d'un circuit d'échantillonnage de tensions. Le processeur initialise un module radioélectrique, afin de transmettre des informations concernant les événements détectés à un centre de redistribution d'événements, au moyen d'une liaison sans fil assurée par un système local sans fil.

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