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From: kraft@plains.UUCP (Joe Kraft)
Newsgroups: sci.electronics
Subject: Looking for motion detector sensor.
Message-ID: <3381@plains.UUCP>
Date: 9 Feb 90 19:30:00 GMT
Reply-To: kraft@plains.UUCP (Joe Kraft)
Followup-To: sci.electronics
Distribution: na
Organization: North Dakota State University, Fargo
Lines: 9

I'm looking for the type of motion detection sensor used to open the
automatic doors in your local supermarket.  Does anyone know where I
can get one, or point me in the right direction to start looking?  
I'm working on my senior design project and our "extensive" library of
manuals, books, etc. seems to be lacking in this area.  Either that or 
I'm not looking in the right place.  :)

				Thanks,
				  Joe.