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From: cgordon@vpnet.chi.il.us (Gordon Hlavenka)
Newsgroups: sci.electronics
Subject: HeadsUp Display ( WAS Re: Big Screen Projector from tiny LCD TV ? )
Message-ID: <26da9f56-37c.5sci.electronics-1@vpnet.chi.il.us>
Date: 28 Aug 90 17:55:05 GMT
References: <32906@cup.portal.com> <2916@anasaz.UUCP>
Lines: 11


>speaking of removing the backing on LCDs and projecting light through
>them. Has anybody tried to make a heads up display that way? Something
>that could be fitted to a helmet or added to glasses. 

This probably wouldn't work well, as you'd have to shift your focus between
the display and the world.  Try reading something two inches in front of
you...  True heads-up displays have their focus at infinity, so they are
easily readable.

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Gordon S. Hlavenka            cgordon@vpnet.chi.il.us