Method and apparatus of charge management for battery in...

Details Method and apparatus of charge management for battery in... Method and apparatus of charge management for battery in...

2008-06-27

2011-11-22

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Battery or cell discharging

With charging

Reexamination Certificate

active

08063608

ABSTRACT:
The present invention provides a charge management method for a battery in a mobile terminal having the steps of: setting an initial charge start point; setting a statistic analysis interval for gathering the remaining capacity of the battery at time of start and creating a statistic array for recording the remaining capacity of the battery upon each power-on operation in the statistic analysis interval; reading current remaining capacity of the battery and storing it sequentially in the statistic array; calculating a new charge start point based on a predetermined adaptive algorithm; and updating the initial charge start point with the new charge start point. The present invention also provides a charge management apparatus for a battery in a mobile terminal. With the present invention, it is possible to set an optimal charge start point through measurements, and thus lengthen the battery's lifetime. Especially for users who rarely use a battery to supply power, the battery's lifetime can be considerably extended in a smart way, and the safety of use of battery is improved.

REFERENCES:
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patent: 7304454 (2007-12-01), Inui et al.
patent: 2003/0169019 (2003-09-01), Oosaki
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patent: 2005/0151513 (2005-07-01), Cook et al.
patent: 2006/0135217 (2006-06-01), Sung et al.
patent: 2005182626 (2005-07-01), None
Japanese Patent Office Office Action in foreign counterpart Application No. JP2008-167242, dated Feb. 15, 2011.

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