Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sdd.hp.com!elroy.jpl.nasa.gov!ames!uhccux!wiliki!newsham
From: newsham@wiliki.eng.hawaii.edu (Timothy Newsham)
Newsgroups: sci.electronics
Subject: Re: Library anti-theft walk-thru device...????
Message-ID: <13118@uhccux.uhcc.Hawaii.Edu>
Date: 20 May 91 03:21:27 GMT
References: <050691.224256WDBURNS%MTUS5.BITNET> <3206@sirius.ucs.adelaide.edu.au>
Sender: news@uhccux.uhcc.Hawaii.Edu
Reply-To: newsham@wiliki.UUCP (Timothy Newsham)
Organization: University of Hawaii, College of Engineering
Lines: 18

In article <3206@sirius.ucs.adelaide.edu.au> francis@cs.adelaide.edu.au writes:
>
>When you borrow the book the librarian degausses (or maybe magnetises,
>intuitivly
>I suspect degausing) the chunks in the book so changing the shape of the curve 
>to have more rounded corners and hence no RF pulsing out. Returned books get 
>the reverse treatment.
>

>Maybe someone else can provide some more specific info, and/or corrections.
>
>						Francis Vaughan.

So if i really wanted a book alls i gotta do is run upstairs to
the audio visual center and use their bulk tape eraser???
hmm..  interesting
 
                          Tim Newsham