Subject:
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Re: Rechargeable Battery question.
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 31 Jan 2003 01:11:10 GMT
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Original-From:
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Mark H. Near <MARKN@SCOCAihatespam-K12.ORG>
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Viewed:
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1248 times
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Investigate "induction".
On Thu, 30 Jan 2003, Ken Hornstein wrote:
> > Does anyone have any information about the rechargeable battery pacs
> > used in certain electric tooth brushes? They recharge in a cradle,
> > without any kind of metal contact. Does anyone know how these work,
> > where to get parts, or have plans for building your own? I'd like to
> > build a robot that can recharge itself just by parking in a "home"
> > position. Any info would be appreciated. Thanks
>
> When I looked at those before (because I was curious about them as well)
> they seem to have a coil of wire in the base unit and in the toothbrush,
> and it's basically a transformer. Unfortunately you'll probably need
> an AC/DC converter circuit in the robot somewhere if you go that route,
> but it's certainly doable.
>
> --Ken
Mark
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Mark Harrison Near markn@scoca-k12.org
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Message is in Reply To:
 | | Re: Rechargeable Battery question.
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| (...) When I looked at those before (because I was curious about them as well) they seem to have a coil of wire in the base unit and in the toothbrush, and it's basically a transformer. Unfortunately you'll probably need an AC/DC converter circuit (...) (22 years ago, 30-Jan-03, to lugnet.robotics)
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