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G06G7/00—Devices in which the computing operation is performed by varying electric or magnetic quantities
G06G7/12—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor
G06G7/18—Arrangements for performing computing operations, e.g. operational amplifiers specially adapted therefor for integration or differentiation; for forming integrals
Procede et dispositif de controle de l'etat de charge d'un batterie, en particulier une batterie rechargeable pour un telephone mobile cellulaire
Agencement pour le contrôle de la charge d'un ensemble modulaire de cellules électrochimiques raccordées en série et module correspondant de mesure pour cellule