Electromagnetically coupled battery charger

Details Electromagnetically coupled battery charger Electromagnetically coupled battery charger

H - Electricity

02

J

320/7

H02J 7/06 (2006.01) H02J 7/02 (2006.01)

Patent

CA 1051515

A B S T R A C T A solid state electronic battery charger which is electro- magnetically coupled to one or more batteries. A charging cir- cuit energizes a drive winding to produce an alternating field received by an associated coupler and operative to convey charging current to a battery connected thereto. A sense winding monitors the level of the alternating field to derive a signal representa- tive of the battery charge level and which causes a tapered charge to be supplied to the battery and an indication of a sensed fully charged state. A proximity sensor can be provided to denote the presence of a coupled battery and by which charging operation is commenced.

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