Electricity: battery or capacitor charging or discharging – Battery or cell discharging – With charging
Reexamination Certificate
2008-11-11
2011-12-20
Tso, Edward (Department: 2858)
Electricity: battery or capacitor charging or discharging
Battery or cell discharging
With charging
C320S136000, C320S152000, C320S162000, C320S163000, C320S164000
Reexamination Certificate
active
08080979
ABSTRACT:
A charger that charges a battery unit including a secondary battery, includes a receiving unit, a detection unit, a determination unit, and a control unit. The receiving unit receives, from the battery unit, battery state information indicating a state of the battery unit, if the secondary battery is being charged. The detection unit detects charge state information indicating the state of the battery unit, if the secondary battery is being charged. The determination unit determines, using the battery state information and the charge state information, whether the battery unit is in a normal state. The control unit controls charging of the secondary battery in the battery unit depending on whether the battery unit is in the normal state.
REFERENCES:
patent: 5994878 (1999-11-01), Ostergaard et al.
patent: 6118255 (2000-09-01), Nagai et al.
patent: 2005/0248311 (2005-11-01), Komaki et al.
patent: 1302467 (2001-07-01), None
patent: 10-201109 (1998-07-01), None
patent: 2005-065461 (2005-03-01), None
patent: 2005-321983 (2005-11-01), None
Canon Kabushiki Kaisha
Hernandez Manuel
Tso Edward
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