Re: Wiegand wires?

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Article #7430

#7430

From: Paul Bame
Date: Mon, 24 Sep 1990 17:20

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> If I'm not mistaken, these are merely iron wires that have axial twists
> put in them (by mechanically twisting the wire).  They were once proposed
> as a medium for encoding the magnetic stripe of credit cards.

Speaking of credit cards, why don't we use bar codes or some other optical
method rather than magnetic?  Seems like it would be more reliable.

"Gee, I guess it happened when I left my eelskin wallet in the MRI room :-)"


			-Paul "Spice is the Variety of Life"
			paul@hpldola.hp.com	N0KCL

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From: paul@hpldola.HP.COM (Paul Bame)
Newsgroups: sci.electronics
Subject: Re: Wiegand wires?
Message-ID: <10960034@hpldola.HP.COM>
Date: 24 Sep 90 17:20:49 GMT
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Organization: HP Elec. Design Div. -ColoSpgs
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