[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.

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.

More information about the linux mailing list