What is an ultrasonic motor?

Contributor: RaeBayBay RaeBayBay
Related to: 
What does this mean? And does it have anything to do with stronger vibrations?
01/10/2013
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Contributor: kdlt kdlt
Now I'm curious too haha. Anyone know?

Edit: My guess is that maybe it means it's quiet?
01/10/2013
Contributor: RaeBayBay RaeBayBay
Quote:
Originally posted by kdlt
Now I'm curious too haha. Anyone know?

Edit: My guess is that maybe it means it's quiet?
From what I was able to find online, it's a different design that is generally quieter. Though I'm still not entirely sure why it's not good for pregnant women while vibrators are fine?
01/10/2013
Contributor: The Vixen The Vixen
While looking through the reviews someone said that the ultrasonic motor can maybe hurt or damage a growing baby's ears in a mother's womb if she uses the vibe while pregnant. At least that's what I saw.
01/18/2013