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Title:
VIBRATION ACTUATOR, LENS BARREL, AND CAMERA
Document Type and Number:
Japanese Patent JP2011109787
Kind Code:
A
Abstract:

To provide a vibration actuator wherein temperature rise is reduced through a simple structure.

The vibration actuator is equipped with: a transducer (11) that produces oscillatory waves by excitation of an electromagnetic transducing element (12); a mover (15) that is touched by the transducer (11) under pressure and driven by the oscillatory waves and is moved relative to the transducer (11); and an air sending means (30) that sends air in conjunction with the relative movement of the mover (15).


Inventors:
NISHIHARA SHINJI
Application Number:
JP2009261475A
Publication Date:
June 02, 2011
Filing Date:
November 17, 2009
Export Citation:
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Assignee:
NIKON CORP
International Classes:
H02N2/00; G02B7/04
Attorney, Agent or Firm:
Hisao Kamada



 
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