High frequency battery charger and method of operating same
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United States of America Patent
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Jul 21, 2009
Grant Date -
Jan 5, 2006
app pub date -
Aug 29, 2005
filing date -
Jan 25, 2002
priority date (Note) -
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Abstract
A high frequency battery charger for charging a target battery is provided. The battery charger includes a charging circuit including a high frequency transformer, a switch switching the high frequency transformer, a filter coupled to the high frequency transformer for passing a DC voltage signal and a controller providing a high frequency driving signal to the switch. Measuring circuitry measures at least one of a voltage or a current at the target battery. A microprocessor receives the measured voltage or current and calculates diagnostics of the target battery based on at least one of the measured voltage or current.
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