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Article #14774Re: police laser radar
From: John Schuch
Date: Wed, 18 Nov 1992 19:55
Date: Wed, 18 Nov 1992 19:55
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In article <1992Nov16.205142.28519@julian.uwo.ca> wlsmith@valve.heart.rri.uwo.ca (Wayne Smith) writes: >In article <1992Nov16.164531.2036@phx.mcd.mot.com> schuch@phx.mcd.mot.com (John Schuch) writes: >>>Does anyone know what fequencies the police are using for their speed >>>detecting lasers? >> >>My guess would be about 1.5E+11 Hz >> >But seriously, if Lidar detection is as difficult as it seems to be >(thanks to the way its used; quick and close), could an incoherent >but strong IR source (heat lamps?) interfere with the readings, or >would you need a laser IR source of your own, pointing back? And would it be against the law? John -- | ONE LINE NOVEL: She backed away from the corpse slowly, not so much out | | of fear, but simply unsure of what the crowd expected her to do with it. | +--------------------------------------------------------------------------+ | John R. Schuch - Motorola Computer Group - Manufacturing Engineering |
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Newsgroups: sci.electronics Path: arc1-ca.pugleaf.net!sparky!uunet!zaphod.mps.ohio-state.edu!cs.utexas.edu!asuvax!ennews!mcdphx!schuch From: schuch@phx.mcd.mot.com (John Schuch) Subject: Re: police laser radar Message-ID: <1992Nov18.195525.8832@phx.mcd.mot.com> Sender: news@phx.mcd.mot.com Nntp-Posting-Host: bopper2.phx.mcd.mot.com Organization: Motorola Computer Group, Tempe, Az. References: <1992Nov12.225737.21262@rtsg.mot.com> <1992Nov16.164531.2036@phx.mcd.mot.com> <1992Nov16.205142.28519@julian.uwo.ca> Distribution: usa Date: Wed, 18 Nov 1992 19:55:25 GMT Lines: 21