Systems and methods for battery status indication

A method and apparatus are provided to indicate battery capacity status. Different blinking frequencies of an LED correspond to different battery states of charge. Furthermore, the present invention provides a smooth visual brightness change of the LED by providing the appropriate LED current accord...

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Bibliographic Details
Main Authors Du, Sterling, Liu, Liusheng, Kokorin, Oleksandr
Format Patent
LanguageEnglish
Published 11.12.2012
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Summary:A method and apparatus are provided to indicate battery capacity status. Different blinking frequencies of an LED correspond to different battery states of charge. Furthermore, the present invention provides a smooth visual brightness change of the LED by providing the appropriate LED current according to human eye characteristics.