Title:
BROADBAND ACTUATOR
Document Type and Number:
WIPO Patent Application WO/2020/111559
Kind Code:
A1
Abstract:
A broadband actuator according to an embodiment may comprise: a cylindrical housing having an inner space; a yoke member installed in the inner space and provided with a cylindrical inner yoke that protrudes upward from the center of the lower side of the inner space; a hollow radial magnet installed to surround the outer circumferential surface of the inner yoke; a moving body provided with a cylindrical mass installed to surround the outer circumferential surface of the radial magnet, and provided with a coil part installed along the circumference of the mass; and an elastic member elastically supporting the moving body from one side of the inner space.
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Inventors:
KIM HYEONG JUN (KR)
LEE JONG HUN (KR)
LEE JONG KI (KR)
LEE JONG HUN (KR)
LEE JONG KI (KR)
Application Number:
PCT/KR2019/015013
Publication Date:
June 04, 2020
Filing Date:
November 07, 2019
Export Citation:
Assignee:
CK MAT LAB CO LTD (KR)
International Classes:
H01F7/16; H01F7/08; H01F7/10; H01F7/18
Foreign References:
| JPH1014195A | 1998-01-16 | |||
| JPH10117472A | 1998-05-06 | |||
| JPH10229596A | 1998-08-25 | |||
| KR101856461B1 | 2018-05-10 | |||
| KR20010055235A | 2001-07-04 |
Attorney, Agent or Firm:
MUHANN PATENT & LAW FIRM (KR)
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