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Article #16225

Re: New (to me) laser-beam pickup application

#16225
From: Mark Bower
Date: Mon, 04 Jan 1993 22:19
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In article <72811@cup.portal.com> Chris_F_Chiesa@cup.portal.com writes:
>By now we all (hopefully) know that lasers are used to read signals from
>CDs and videodiscs, but last weekend while visiting friends over Christmas
>I heard of a new application for the same (or similar) technology: reading
>good ol' vinyl records by contactless laser pickup.  Has anyone here heard
>of this, and can anyone provide any details on HOW it is being done?  This
>is one of those ideas that, to me, seems obvious in retrospect, and "it's
>a wonder nobody thought of it sooner."

I remember reading something about this in either Popular Science  or
Popular Mechanics during either 1986 or 1987. As far as I know, the
project eventually died due to the lack of funding and the
popularity of CD's which became much more prevalent while the
laser reading record player was trying to get attention.

Cheers,
Mark
-- 
<\\\        If swallowed, crawl out through the tear-ducts.        <'\
 >>>>===============================================================>->
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Message-ID: <1993Jan4.221922.28550@tplrd.tpl.oz.au>
Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!magnus.acs.ohio-state.edu!csn!tpsrd!tplrd!markb
References: <1992Dec30.065648.29072@ole.cdac.com> <72811@cup.portal.com>

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Newsgroups: sci.electronics
Path: arc1-ca.pugleaf.net!sparky!uunet!cis.ohio-state.edu!magnus.acs.ohio-state.edu!csn!tpsrd!tplrd!markb
From: markb@tplrd.tpl.oz.au (Mark Bower)
Subject: Re: New (to me) laser-beam pickup application
Message-ID: <1993Jan4.221922.28550@tplrd.tpl.oz.au>
Organization: Telectronics Pacing Systems
References: <1992Dec30.065648.29072@ole.cdac.com> <72811@cup.portal.com>
Date: Mon, 4 Jan 1993 22:19:22 GMT
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