Path: utzoo!utgpu!jarvis.csri.toronto.edu!cs.utexas.edu!tut.cis.ohio-state.edu!ukma!sean
From: sean@ms.uky.edu (Sean Casey)
Newsgroups: sci.electronics
Subject: Re: Are checkout-counter lasers hazardous?
Message-ID: <13746@s.ms.uky.edu>
Date: 19 Jan 90 19:15:42 GMT
References: <189@bucsb.UUCP> <446@sierra.stanford.edu> <2826@dciem.dciem.dnd.ca> <7971@letni.UUCP>
Organization: The Leaning Tower of Patterson Office @ The Univ. of KY
Lines: 12


Two people posted that scanners do not use spinning mirrors. One claimed
holograms, and the other claimed vibrating mirrors.

I believe it, but I used to work at a store that used spinning mirror
type scanners. The mirrors were highly polished faceted blocks of metal.

Sean
-- 
***  Sean Casey          sean@ms.uky.edu, sean@ukma.bitnet, ukma!sean
***  Copyright 1990 by Sean Casey. Only non-profit redistribution permitted.
***  "You see before you two identical Tiamats."  "Uh oh."