From: Jeremy Cooper <jeremy@crl.com>
To: cypherpunks@toad.com
Message Hash: 30ffcd1d0234df918caad682f6d105c81331d1624ea4a663d4c769ef865a25ea
Message ID: <Pine.3.87.9404192115.A14839-0100000@crl2.crl.com>
Reply To: N/A
UTC Datetime: 1994-04-20 04:47:55 UTC
Raw Date: Tue, 19 Apr 94 21:47:55 PDT
From: Jeremy Cooper <jeremy@crl.com>
Date: Tue, 19 Apr 94 21:47:55 PDT
To: cypherpunks@toad.com
Subject: Magnetic Stripes
Message-ID: <Pine.3.87.9404192115.A14839-0100000@crl2.crl.com>
MIME-Version: 1.0
Content-Type: text/plain
It may be difficult to reproduce some magnetic cards because the
recording pattern is not purely left to right. Some cards take more of
an approach like the VHS system, where every frame (or byte) is recorded
in diagonal stripes across the surface:
/ / / / / / / /
instead of
- - - - - - - -
_ . _ ___ _ . _
===-|)/\\/|V|/\/\ (_)/_\|_|\_/(_)/_\|_| Stop by for an excursion into the-===
===-|)||| | |\/\/ mud.crl.com 8888 (_) Virtual Bay Area! -===
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1994-04-20 (Tue, 19 Apr 94 21:47:55 PDT) - Magnetic Stripes - Jeremy Cooper <jeremy@crl.com>