Michael Rigby-Jones wrote:
>
>> often for
>> a smaller cost), but very interesting nonetheless:
>>
>> http://www.pcbmotor.com/default.aspx?CMSID=114
>>     
>
>
> This looks very much like the ultrasonic motor that Canon have used for
> many years in their better camera lens.
>
>   
I don't think this is new at all. I'm sure I saw something like this 
long ago.
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