Power supply device
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United States of America Patent
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May 7, 2013
Issued Date -
N/A
app pub date -
Oct 13, 2010
filing date -
Oct 16, 2009
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
When remaining capacity estimated by a calculator is higher than a control upper limit, a charge-disabled mode is selected in which charging operation is disabled. When remaining capacity is lower than a control lower limit, a discharge-disabled mode is selected in which discharging operation is disabled. When remaining capacity is higher than an upper limit of a given range having its center at a target value specified between the control upper and lower limits, an allowance mode is selected in which charging/discharging current limits are adjusted to allow a discharging amount to exceed a charging amount in a predetermined period. When remaining capacity is not higher than the upper limit of the range, a restriction mode is selected in which charging/discharging currents are restricted so that the remaining capacity is held within the range.
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Family
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