Hybrid battery pack and methods of charging and discharging...

Details Hybrid battery pack and methods of charging and discharging... Hybrid battery pack and methods of charging and discharging...

2007-08-01

2010-06-01

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Means to identify cell or battery type

C320S126000, C320S128000, C320S134000, C307S072000

Reexamination Certificate

active

07728547

ABSTRACT:
A hybrid battery pack and methods of charging and discharging the same make it possible to manage at least two power sources by one circuit. The hybrid battery pack includes a first power source having a first switching circuit, a second power source connected to the first power source in parallel and having a second switching circuit, a current sensor serially connected to the first and second power sources to sense the currents of the first and second power sources, and a controller to obtain the voltages of the first and second power sources so that the first and second power sources are not over-charged or over-discharged and to calculate the entire capacity of the first and second power sources using the amount of currents obtained by the current sensor.

REFERENCES:
patent: 6021332 (2000-02-01), Alberth et al.
patent: 6373222 (2002-04-01), Odaohhara
patent: 6452362 (2002-09-01), Choo
patent: 7362005 (2008-04-01), Leblanc
patent: 7518338 (2009-04-01), Wang et al.
patent: 2005-168103 (2005-06-01), None
patent: 2006-11484 (2006-02-01), None

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