[time-nuts] Time shown as two horizontal bars

Robert LaJeunesse rlajeunesse at sbcglobal.net
Tue Apr 2 16:19:01 EDT 2013


One needs to think of better resolution here. How about a mirror galvanometer?

http://www.ebay.com/itm/Leeds-Northrup-Mirror-Galvanometer-/121086073505?pt=LH_DefaultDomain_0&hash=item1c314adaa1

http://www.ebay.com/itm/Cambridge-Technology-6810P-517-Moving-Magnet-Optical-Scanner-Galvanometer-/190766443040?pt=LH_DefaultDomain_0&hash=item2c6a90ea20


Or, scrap an old hard drive and use the linear motor from the head 
servo. http://www.youtube.com/watch?v=qPX6Sfj8YKw

Bob L.



________________________________
From: Chris Albertson <albertson.chris at gmail.com>
To: Discussion of precise time and frequency measurement <time-nuts at febo.com>
Sent: Tue, April 2, 2013 3:54:23 PM
Subject: Re: [time-nuts] Time shown as two horizontal bars

... if all that is needed is a moving dot,  A laser pointer glued to
the shaft of a stepper motor would work and be even simpler...


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