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Den Uijl, S. (author), Bouman, C. (author), Smit, W. (author)The invention relates to a rechargeable power supply suitable to be used in a battery-operated device comprising at least one supercapacitor and at least a first and a second DC-DC converter connected in series, wherein the supercapacitor is connectable to an entry of the first DC-DC converter and the device is connectable to an exit of the...patent 2006
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Robers, E.W.J. (author), Molenaar, B.A.M. (author), Smit, W. (author), Bech, L.P. (author), Bouman, C. (author)The invention relates to an electric charger for an accumulator or a battery or the like, which is adapted for rapid charging during an on-period and comprises for this purpose control means for starting and ending the on-period. The charger is provided with a circuit for converting a supply voltage to a charging current for the battery, and...patent 2009