Greetings,
I am interested in the mechanism of the electric tootbrush charger. For those who do not know the electric toothbrush sits in a cradle while charging and there is no direct electrical connection.
What kind of a core geometry would be good for that type of an arrangement? I thought maybe a small rod or button on each side of the interface, but then supposed it might be better to have a U shaped core on each side to give the flux an easier path to return.
Please help if you can. All of my experience is with normal transformers.
regards, Yzordderrex