>Maybe a cheap vibrator can me made with a coil and a permanent magnet: The >magnet monted on a spring plate so it swings without friction and noise, >and driving the coil with resonant frequency? *very* cheap at high volume, >but time, consuming to build in small production? Yes, this sounds like it might work, but I'm not looking to design the thing. Does anyone know of sources for such? C. Webb >At 15:22 1998-01-25 -0500, you wrote: >>Does anyone have leads to very small, inexpensive motors, both ultrasonic >>ones (like the one in Seiko's new "Ultrasonic" watch) and regular magnetic >>ones. I'm looking for something like a cheap pager motor, small and weighted >>to produce vibration. >> >>Thanks all. >> >>C. Webb >> >> > >Morgan Olsson, MORGANS REGLERTEKNIK, Sweden, ph: +46 (0)414 70741; fax 70331 >============================================================================ > >