 | | Re: Rechargeable Battery question.
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| (...) My guess (from the fact that the base of mine is magnetic) is that they use some form of inductance in the cradle to either move the brush's magnet and generate power, or just generate from the changing field across the magnet. (22 years ago, 31-Jan-03, to lugnet.robotics)
| | | | | Re: Rechargeable Battery question.
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| (...) These toothbrushes work like ordinary transformers. A normal transformer consists of two inductances, one generates the magnetic field from a ac source and the other one generates ac from the magnetic field. In the toothbrush one inductance is (...) (22 years ago, 31-Jan-03, to lugnet.robotics)
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