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Article #21529

Re: Car Detectors for Traffic Lights

#21529
From: Todd Day
Date: Mon, 29 May 1989 21:03
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In article <456@antares.uucp> pnelson@antares.UUCP (Phil Nelson) writes:
~ I have a related question, can they be activated without the metal mass?
~The question has probably been asked before, it must be a common problem
~for urban bicyclists; how do you get the left-turn light to change?

Well, these things must have sensitivity adjustments, because there is
a set of them on the UCSB campus that controls a bike/car intersection.
Bikes have no trouble setting off the loops on the bikepath.  The cuts
in the pavement make me think that the mechanism is no different than
that used for cars at "real" intersections.

-- 

Todd Day | todd@ivucsb.sba.ca.us | ivucsb!todd@anise.acc.com
"All theory, no practice.  That's the story of my life."
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Message-ID: <806@ivucsb.sba.ca.us>
Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!anise.acc.com!ivucsb!todd
References: <18811@cup.portal.com> <3185@kitty.uucp> <456@antares.uucp>

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Path: arc1-ca.pugleaf.net!utzoo!utgpu!jarvis.csri.toronto.edu!rutgers!anise.acc.com!ivucsb!todd
From: todd@ivucsb.sba.ca.us (Todd Day)
Newsgroups: sci.electronics
Subject: Re: Car Detectors for Traffic Lights
Message-ID: <806@ivucsb.sba.ca.us>
Date: 29 May 89 21:03:35 GMT
References: <18811@cup.portal.com> <3185@kitty.uucp> <456@antares.uucp>
Reply-To: ivucsb!todd@anise.acc.com (Todd Day)
Organization: The Audio Club at UCSB, Isla Vista, California
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