Talk:Ultrasonic motor

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Inappropriate redirect[edit]

Hi, I think the redirection here is inappropriate. There are many applications of ultrasonic motors, and not just for use in camera lenses (though Canon seems to have done a lot to bring ultrasonic motors to public knowledge). They are used in many applications, such as miniaturized devices, and applications in the medical device industry.

Some links:

--Nathaniel 12:00, 1 June 2006 (UTC)
What article is this? There's one on Ultrasound motor, which seems to be the more broad article you're describing, but on the other hand, it's not really clear whether this is an article about USM as applied to photographic lenses? That's what the disambiguation page suggests, and if that's the case, the intro needs to be re-written a bit.
--ForrestCroce 04:12, 20 December 2006 (UTC)

First go[edit]

I've given a first go at the page. I hope you don't mind, but I removed some of your edits from Piezoelectric motor as the page describes an actuated stepper motor, rather than an ultrasonic motor.

Yours, Cataclysm 22:06, 2 June 2006 (UTC)

What is it good for?[edit]

you somehow forgot to include a statement that a regular person can understand about "what is it good for?", or "what is its function?". I mean, in everyday life... Why would I want it Towsonu2003 15:27, 13 March 2007 (UTC)

Merge from Hyper Sonic Motor[edit]

There's no need for a separate article on Sigma's trade name. Let's redirect it here and say something about it. Dicklyon 04:02, 8 September 2007 (UTC)

I changed it to redirect here; sorry, I forgot the tag and someone cleaned up after me. Dicklyon 00:25, 18 September 2007 (UTC)

Any data?[edit]

Is there any reference out there for some credible and/or confirmed data on precision, resolution and rate achievable with these? —Preceding unsigned comment added by Dervish candela (talkcontribs) 17:03, 15 January 2009 (UTC)

Ill named device ?[edit]

As far as I understand it the name of the device is totally misleading. First of all there seems to be no requirement that the operating frequency is indeed in the ultrasonic range. I'm sure such a device could also work at (for instance) 8kHz, which is audible for humans. The other problem is that motors are normally named in a way that suggests eighter what is driving them (electro, diesel, ...) or how they are driven (stepper, ...) etc. So the name "ultrasonic" would suggest that this motor is driven by sound, which is wrong (while possible to do). Actually it's driven by specially "formatted" friction generated by mechanical deformation generated by electric signals. NOW: It's clear to me that the device will not be renamed, but I think the discrepancy between naming and functional principal should be "solved" in the description of the device in clear and easily understandable text (possibly close to the top). Maybe a native speaker could ... :-) ? 84.186.138.3 (talk) 11:07, 3 July 2012 (UTC)JB.

wrong picture?[edit]

The picture shows the linear piezo stepper motor (or inchworm motor) instead of a (possibly ultrasonic) travelling wave motor. I can kind of envisage a travelling wave motor, but its operating principles are not described in this article at all. — Preceding unsigned comment added by 213.49.109.86 (talk) 06:07, 13 July 2012 (UTC)