Newsgroups: comp.robotics
Path: brunix!uunet!zaphod.mps.ohio-state.edu!caen!uvaarpa!vdoe386!nhgs!wdeal
From: wdeal@nhgs.vak12ed.edu (Walter Deal)
Subject: Re: IR projects
Message-ID: <1992May03.041258.8859@nhgs.vak12ed.edu>
Organization: Virginia's Public Education Network (Hampton)
References: <23559@life.ai.mit.edu>
Date: Sun, 03 May 92 04:12:58 GMT
Lines: 18


Joe,

Since most flourecent light interference is usually directed from the
ceiling, why not try to minimize that interference by putting a little
snout, much like a lense shade on a camera, on the emmiter/detector.
This could be "tuned" by adjusting the lengths of the snouts (shade!)
to compromise between interference and IR transmit and receive angles.

A stiff paper (index stock) that is a dark in color may do the trick

Walt

-- 
    
        Walt Deal                       wdeal@nhgs.vak12ed.edu
        Old Dominion University         Norfolk, Virginia 23529
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