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- Newsgroups: sci.electronics
- Path: sparky!uunet!caen!sdd.hp.com!hp-col!dag
- From: dag@col.hp.com (David Geiser)
- Subject: Re: police laser radar
- Sender: news@col.hp.com (Usenet News)
- Message-ID: <1992Nov17.164633.15856@col.hp.com>
- Date: Tue, 17 Nov 1992 16:46:33 GMT
- Distribution: usa
- References: <Nov16.225043.36767@yuma.ACNS.ColoState.EDU>
- Organization: HP Colorado Springs Division
- Lines: 20
-
- > sees at least ond diode. Modulate the power supply with a little noise (like
- > ignition noise) and the officer won't be able to get a reading that makes any
- > sense to his machine.
-
- On second thought, it's fairly easy to descriminate the
- reflections. In fact, it's probably really necessary given all
- the regular IR stuff out there like your fan blade chopping the
- engine heat, vibrations of the car body due to resonance or 500W
- woofers, etc.
-
- Maybe the best defence is a good offence like a Sidewinder.
-
- Maybe the best defence is good detection.
-
- Maybe somebody has already invented the best IR absorbing paint,
- but Dupont, in collusion with your Local Finest, has purchased the
- patent to suppress it.
- --
-
- Boycott Colorado.
-