Battery charger operable for selective one of a plurality of...

Details Battery charger operable for selective one of a plurality of... Battery charger operable for selective one of a plurality of...

2011-04-26

2011-04-26

Tso, Edward (Department: 2858)

Electricity: battery or capacitor charging or discharging

Cell or battery charger structure

For battery pack

C320S115000, C320S138000

Reexamination Certificate

active

07932694

ABSTRACT:
A battery charger is configured to use selective one of two or more power supplies including a commercial AC power supply and a DC power supply. An AC cable is fixedly secured to the body of the battery charger and a DC cable is detachably connected to the body of the battery charger. A single transformer is employed that has a first primary winding to which the AC power supply is connected a first switching element, a second primary winding to which the DC power supply is connected via a second switching element, and a secondary winding to which a battery pack to be charged is coupled.

REFERENCES:
patent: 5731683 (1998-03-01), Nakanishi
patent: 6566843 (2003-05-01), Takano et al.
patent: 7535196 (2009-05-01), Nagasawa
patent: 7733060 (2010-06-01), Kojima
patent: 2002/0071670 (2002-06-01), Odaka et al.
patent: 1905306 (2007-01-01), None
patent: 7-241040 (1995-09-01), None
patent: 11-41829 (1999-02-01), None
patent: 2002-199724 (2002-07-01), None
patent: 2005-245145 (2005-09-01), None
patent: 2007-14163 (2007-01-01), None

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