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From: gbell@sdcc13.ucsd.edu (Greg Bell)
Newsgroups: sci.electronics
Subject: Re: IR receiver on traffic lights ?
Message-ID: <18277@sdcc6.ucsd.edu>
Date: 13 Apr 91 04:41:52 GMT
References: <1991Apr11.211957.7309@lynx.CS.ORST.EDU> <5170128@hplsla.HP.COM>
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Organization: University of California, San Diego
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In article <5170128@hplsla.HP.COM> tomb@hplsla.HP.COM (Tom Bruhns) writes:
>transmitter.  The receivers tend to be pretty directional, too:  aren't
>they in pipes perhaps 1" diameter and 6" long?
>

I've seen this too.  What doesn't make sense is that I'd think the truck would
have to be in a particular lane to get the thing to trigger.  And,
emergency vehicles take the "best route", right?  Hmm...



-- 
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  Who:  Greg Bell                            Address:  gbell@ucsd.edu
 What:  EE hobbyist and major                  Where:  UC San Diego
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