Battery charger having current increasing circuit
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United States of America Patent
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Feb 6, 2001
Grant Date -
N/A
app pub date -
Aug 13, 1999
filing date -
Aug 13, 1999
priority date (Note) -
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Abstract
A battery charger is adapted to increase a charge current applied to at least one battery from a predetermined supply voltage. The charger includes a supply voltage generating device coupled to an AC voltage source for generating the predetermined supply voltage and a charging circuit electrically connected to the supply voltage generating device. The charging circuit includes a first capacitor and a second capacitor AC coupled to the first capacitor. The charging circuit is adapted to apply the charge current from the supply voltage generating device to the at least one battery through the first capacitor during a first half of a charging cycle, and store the charge current from the supply voltage generating device in the second capacitor during a second half of the charging cycle. The stored charge energy is then applied to the at least one battery during the first half of the charging cycle to increase the total charge current being applied to the at least one battery during the first half of the charging cycle.
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