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From: Chuck Simmons
Organization: You jest.
X-Mailer: Mozilla 4.61 [en] (X11; U; Linux 2.0.33 i586)
Subject: Re: vechile speed meter
Date: Mon, 11 Nov 2002 03:05:01 GMT
NNTP-Posting-Date: Sun, 10 Nov 2002 19:05:01 PST
> Thanks to all for fast reply.
> I didn't mean to make a unit without sensor; just if is possible without
> outside sensor. I was think about some kind of acceleration sensor or
> something similar.
> I need to develop a test unit for different types of vehicle. It will be
> used in test purpose to measure how many times we go over speed limit inside
> some protected areas. For instance, inside a school area where speed limit
> is below 40 km/h. Idea was to made speed logger, which can be connected to
> PC after a one or two hour. Counter will add value just in case if you drive
> over speed limit for at list 10 seconds. If you go over 40 km/h unit will
> start beep signal to warning you.
Car rental companies have done this in the US using GPS. Inertial
navigation (using accelerometers) tends to have drift which must be
corrected from time to time.
... The times have been,
That, when the brains were out,
the man would die. ... Macbeth
Chuck Simmons firstname.lastname@example.org
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