[LINK] Simple animation about RFID tags
james.pearce at zdnet.com.au
Wed Feb 25 17:31:48 EST 2004
Really? I was under the impression it was the same thing and that wire
around the chip was the antenna. I guess it converts the magnetic field to
an electronic one, yeah?
Thanks for the correction.
----- Original Message -----
From: "Tim Lister" <tal at pacific.net.au>
To: "The Link Institute" <link at anu.edu.au>
Sent: Wednesday, February 25, 2004 3:57 PM
Subject: Re: [LINK] Simple animation about RFID tags
> On Wed, 2004-02-25 at 15:53, James Pearce wrote:
> > In terms of "are we using RFID tags now", we've been using them for over
> > decade. You know those things in the backs of library books that get
> > when you borrow them? They're very basic RFID tags. Of course, they're
> > identifying whether the book is "in" or "out", but the technology is the
> > same.
> > James
> no, the technology is very different - you're referring to a magnetic
> switch operated by the librarians when you check a book out or in.
> RFID is radio transmitters, and i shan't repeat the details we went into
> on link - check the Link Archives.
> to summarise, RFID only requires proximity, within a metre or two, and
> with the threat of extending it to bank cards (already trialled in the
> USA), we have the prospect of "hey, walk into a shop, pick up whatever
> you like, stick it in your pockets and walk out - you're not
> shoplifting, the items and your bankcard get read automatically and your
> account is debited - how convenient is that?"
> the test bank said words equivalent to this - and if you can't see a
> privacy problem there ...
> Tim Lister
> South Sydney Greens
> (02)9557 4050
> webmaster at ssg.nsw.greens.org.au
> "Think Globally, Act Locally"
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> Link at mailman.anu.edu.au
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