Path: utzoo!utgpu!news-server.csri.toronto.edu!cs.utexas.edu!sun-barr!lll-winken!uop!quack!mrapple From: mrapple@quack.sac.ca.us (Nick Sayer) Newsgroups: sci.electronics Subject: Laser show controllers? Message-ID: Date: 9 Jun 91 04:39:11 GMT Organization: The Duck Pond, Stockton, CA Lines: 22 Let's say I was crazy enough to want to design and build a lazer-show controller. It's obvious that you use a pair of mirrors - one to shift the beam along the X axis, one to shift the beam along the Y axis. Fine. But those shows achieve fast shifting around. So they must have very fast, yet precise motors. Those motors aren't doing a raster scan, they use vector graphics - hence the fine control. So it's likely that a stepper motor would do the trick, perhaps something along the lines of those used as cylindar select motors in hard disks. So now the $64 questions: What sort of motors are capable of going that fast? Where can I get them? How much do they cost? -- Nick Sayer | Official Scapegoat for the | RIP: Mel Blanc mrapple@quack.sac.ca.us | MC68HC11 Mailing List. | 1908--1989 N6QQQ | To subscribe, send mail to | May he never 209-952-5347 (Telebit) | mc68hc11-request@quack.sac.ca.us | be silenced.