Einrichtung und Verfahren zum Bestimmen eines Ladezustands einer Batterie

WO2004003584 A UPAB: 20040210 NOVELTY - The charge level determination device uses a device (126) for providing a signal representing the operating state of a consumer (118) coupled to the battery (116), fed to a control device (122) for activating a current measuring device (110), for measuring the current fed to the consumer from the battery upon a detected change in the operating state. An evaluation device (128) determines the battery charge level from the measured electric current and the time intervals between detected changes in the operating state. DETAILED DESCRIPTION - An INDEPENDENT CLAIM for a method for determination of the charge level of a battery is also included. USE - The device is used for determining the residual charge level of a battery supplying an electrical consumer, e.g. a hand-held electrical appliance. ADVANTAGE - Measurement of supplied current each time consumer is supplied ensures accuracy of calculated battery charge level