Low impedance encoder for a utility meter

G - Physics – 01 – D

Patent

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Details

G01D 4/00 (2006.01) G01F 15/06 (2006.01) G01F 15/075 (2006.01) G01R 22/00 (2006.01)

Patent

CA 2391006

A low impedance encoder generally comprises a clock source and a switch. The clock source operates according to a predetermined duty cycle. The switch has a first position, closed, and a second position, opened. The duty cycle controls a current flow the switch. A high current flow through the switch indicates that the switch is closed and that the consumption of a utility as registered by the utility meter has occured; the switch will continue to open and close throughout the metering process. A low current flow through the switch indicates that the switch is open.

Ce codeur basse impédance comprend généralement une source à mouvement d'horlogerie et un commutateur. La source à mouvement d'horlogerie fonctionne selon un cycle de travail déterminé. Le commutateur comporte une première position, fermée, et une seconde position, ouverte. Le cycle de travail régule la circulation de courant à travers le commutateur. Une circulation élevée de courant à travers le commutateur indique que celui-ci est fermé et qu'une consommation d'électricité, telle qu'enregistrée par le compteur, s'est produite, le commutateur continuant de s'ouvrir et de se fermer pendant tout le processus du comptage. Une faible circulation de courant à travers le commutateur indique que celui-ci est ouvert.

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