Battery monitor and power demand adjuster

H - Electricity – 04 – R

Patent

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Details

H04R 25/00 (2006.01) H02J 7/00 (2006.01) H02J 9/00 (2006.01)

Patent

CA 2402470

A system for monitoring and controlling power demands in devices with DC power supplies is disclosed. A device includes a control means responsive to a monitoring means. If the output voltage of the power source detected by the monitoring means falls below a first predetermined level, the power requirements of the device are reduced by the control means. If the output voltage level detected by the monitoring means falls further below a second predetermined level, the second level being lower than the first level, the control means shuts down the device. This approach has application to battery powered devices, particularly for medical applications such as cochlear implants.

L'invention concerne un système pour contrôler et commander les besoins en courant dans des dispositifs possédant des alimentations électriques à courant continu. Un dispositif comprend un moyen de commande réceptif à un moyen de contrôle. Si la tension de sortie d'une source d'alimentation détectée par le moyen de contrôle descend en dessous d'un premier niveau prédéterminé, la puissance requise par le dispositif est diminuée par le moyen de commande. Si le niveau de la tension de sortie détectée par le moyen de contrôle descend encore, en dessous d'un deuxième niveau prédéterminé, le deuxième niveau étant inférieur au premier niveau, le moyen de commande arrête le dispositif. Ce système peut s'appliquer à des dispositifs alimentés par pile, particulièrement, dans le domaine médical, à des implants cochléaires.

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