Article View: sci.electronics
Article #1734Re: Illegal tinted windows
From: BYRNES,Graham
Date: Wed, 05 Aug 1992 04:57
Date: Wed, 05 Aug 1992 04:57
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1659 bytes
.> In article <16838D3DA.ST21510@VM.CC.LATECH.EDU> ST21510@VM.CC.LATECH.EDU writes: > >time seeing that). If I put an IR emmiter in the door that shines up > >through the glass, could that cause the sensor to think there is more > >light coming through then there actually is? Right now they only check > > > >Roger. If you shine the leds in the edge of the glass, you should get a good demo of total internal reflection. Practically no light will come out through the face of the glass, it will all go out the edges. You can check it with visible light. It is what enables optical fibre to work. > > There is a reason why it is a legal limit. Perhaps it is because is safer > if the tint is reduced? In my experience, you can seriously reduce your > visibility at dusk if the other car's lights are not on. Do you know if there > are any places where you can get the tint tested? Do you know what is the legal > limit? For all you know, you might even be within it. > I'll second that. I'd prefer not to be on the road with a bunch of guys who can't see. Graham B
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Path: arc1-ca.pugleaf.net!sparky!uunet!munnari.oz.au!ariel!ucsvc.ucs.unimelb.edu.au!lugb!news From: MATGBB@LURE.LATROBE.EDU.AU (BYRNES,Graham) Newsgroups: sci.electronics Subject: Re: Illegal tinted windows Message-ID: <1992Aug5.045756.24014@lugb.latrobe.edu.au> Date: 5 Aug 92 04:57:56 GMT References: <16838D3DA.ST21510@VM.CC.LATECH.EDU> <1992Aug4.004323.27601@ole.cdac.com> Sender: news@lugb.latrobe.edu.au (USENET News System) Organization: La Trobe University Lines: 20 In-Reply-To: ssave@ole.cdac.com's message of 4 Aug 92 00:43:23 GMT X-News-Reader: VMS NEWS 1.22