Newsgroups: sci.electronics
Path: cantaloupe.srv.cs.cmu.edu!magnesium.club.cc.cmu.edu!news.sei.cmu.edu!cis.ohio-state.edu!magnus.acs.ohio-state.edu!usenet.ins.cwru.edu!howland.reston.ans.net!usc!cs.utexas.edu!asuvax!ennews!mcdphx!schuch
From: schuch@phx.mcd.mot.com (John Schuch)
Subject: Re: Self-destructing copy protection on VHS tape?
Message-ID: <1993Apr24.061507.13825@phx.mcd.mot.com>
Sender: news@phx.mcd.mot.com
Nntp-Posting-Host: bopper2.phx.mcd.mot.com
Organization: Motorola Computer Group, Tempe, Az.
References: <klp.735603389@quark>
Date: Sat, 24 Apr 1993 06:15:07 GMT
Lines: 18

In article <klp.735603389@quark> klp@doe.carleton.ca (Ka Lun Pang) writes:
>
>I borrowed a VHS tape from a friend and it has a warning in the begining saying
>that attempts to copy the tape will result in destroying the copy and the
>original. I found this unbelievable as playing and recording are two different
>processes. However, I've never seen this tape being sold anywhere so I don't 
>want to take the chance even it's small.
>
>Anyone has experience in this kind of self-destructing video tapes?
>

I have always thought that if I wanted to send the Police a tape with
a ransom demand on it, or send CNN a video tape to see if they wanted
to buy it, I would place a small magnet near the take-up spool so the
tape would be erased as it was played. Who would think to check?

John

