[clug] [OT] Random thought: Are there 'magsafe' style connectors for USB?
steve jenkin
sjenkin at canb.auug.org.au
Wed Mar 9 05:54:36 MST 2011
Robert Edwards wrote on 9/03/11 9:58 AM:
>
> How about, instead of a magnetically attached electrical connector, you
> use magnetics to transfer the power and data. Oh wait, there is a whole
> family of systems for doing that. They are called RFID tags.
Don't have the bandwidth for what I want.
>
> The ones that do challenge-response are probably what you are looking
> for.
>
> I predict that most computers/laptops will soon have RFID tag interfaces
> built in for doing banking etc. In the meantime, a USB RFID tag reader
> should do what you want.
Maybe.
If the RFID contained a small key to unlock an encrypted blob, that'd
work. If I could trust the software to only work when the RFID was
nearby :-)
>
> Cheers,
>
> Bob Edwards.
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