Article View: sci.electronics
Article #21647Re: Car Detectors for Traffic Lights
From: Paul V O'Neill
Date: Tue, 06 Jun 1989 18:03
Date: Tue, 06 Jun 1989 18:03
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In article <722@occrsh.ATT.COM> rjd@occrsh.UUCP (Randy_Davis) writes: > > So, if anyone knows a way to fool a light into thinking there is a larger >metal mass above the sensor than there actually is, please post!!! > >Randy Davis UUCP: ...(att!)ocrjd!randy > ...(att!)occrsh!rjd Here are 2 methods that work for me on a small motorcycle. 1) High speed crossing of the coil followed by *hard* braking. (directly over asphalt cut of a long & rectangular sensor) (down the middle of a diamond shaped detector) [Careful here -- you won't have maximum braking power available because of the oil and grime that accumulates at the intersection.] 2) If 1) fails.... put the side stand down on top of the asphalt cut. Paul O'Neill pvo@oce.orst.edu Coastal Imaging Lab OSU--Oceanography Corvallis, OR 97331 503-754-3251
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Path: arc1-ca.pugleaf.net!utzoo!attcan!utgpu!jarvis.csri.toronto.edu!rutgers!orstcs!uther.CS.ORST.EDU!pvo From: pvo@uther.CS.ORST.EDU (Paul V O'Neill) Newsgroups: sci.electronics Subject: Re: Car Detectors for Traffic Lights Message-ID: <10996@orstcs.CS.ORST.EDU> Date: 6 Jun 89 18:03:31 GMT References: <18811@cup.portal.com| <3185@kitty.UUCP> <456@antares.UUCP> <722@occrsh.ATT.COM> Sender: usenet@orstcs.CS.ORST.EDU Reply-To: pvo@oce.orst.edu (Paul V O'Neill) Organization: Oregon State Univ. - Oceanography Lines: 24