Battery pack and charger for portable electronic devices

A combination battery pack/battery charger unit for use with a portable electronic device with an internal rechargeable battery. The battery pack/charger unit has a power input connector for receiving external D.C. power, a power output connector for supplying D.C. power to the portable electronic d...

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Bibliographic Details
Main Author HSIAO TA J
Format Patent
LanguageEnglish
Published 09.02.2006
Subjects
CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTINGELECTRIC POWER
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
ELECTRICITY
GENERATION
SYSTEMS FOR STORING ELECTRIC ENERGY
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Summary:A combination battery pack/battery charger unit for use with a portable electronic device with an internal rechargeable battery. The battery pack/charger unit has a power input connector for receiving external D.C. power, a power output connector for supplying D.C. power to the portable electronic device, a power converter/transformer for converting unregulated D.C. input power to regulated D.C. power, a first direct power path between the converter/transformer and the power output connector, a three position switch, and a rechargeable battery connected between the input connector and the switch. LED indicators display the charging mode and the discharging mode. A high intensity LED coupled to the battery via the switch provides a flashlight mode. The unit provides recharging capability for the internal battery of the portable electronic device and extends the active use time of the portable electronic device.
Bibliography:Application Number: US20040913905