Battery-driven electronic appliance

G - Physics – 01 – R

Patent

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G01R 31/36 (2006.01) H02J 7/00 (2006.01) H05K 10/00 (2006.01)

Patent

CA 2135963

A battery-driven electronic appliance comprises means for generating the threshold voltage value for selectively setting two (high and low) threshold voltage VH or VL depending on whether a specific load, for example, a motor 20 of a group of loads of a battery 15 is operating or not and a battery voltage monitor 21 for determining the advent of the replacing or recharging time of the battery depending on whether the output voltage V 0 of the battery 15 is greater or smaller than the threshold value. Thus, it becomes possible to prevent mistaken determination resulting from the operation of the specific load which is great in power consumption to prevent the memory effect from occurring in, in particular, the secondary battery to enable its effective use until the lifetime of the battery is reached.

L'invention porte sur un appareil électronique à batterie comportant un dispositif servant à générer la valeur de tension de seuil en vue du réglage sélectif de deux tensions de seuil VH ou VL (haute et basse), selon qu'une charge spécifique, par exemple, un moteur (20) d'un groupe de charges d'une batterie (15) fonctionne ou pas, et un moniteur de tension de batterie (21) servant à déterminer le moment de remplacement ou de recharge de la batterie, selon que la tension de sortie V O de la batterie (15) est plus grande ou plus petite que la valeur de tension de seuil. Ainsi, il devient possible d'écarter les analyses erronées causées par l'utilisation d'une charge spécifique qui consomme beaucoup d'énergie en vue d'éviter l'occurrence de l'effet de mémoire, en particulier, dans la batterie secondaire de façon à permettre son utilisation efficace durant toute sa durée de vie.

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