发明名称 |
Electromagnetic acoustic transducer for generating and measuring bending vibration in rod member using anti-symmetric magnetic field structure |
摘要 |
Provided is an electromagnetic acoustic transducer including a main body formed of a non-metal material and having a hollow portion, a magnetic field generation portion generating two magnetic fields parallel to a lengthwise direction of the rod member and in opposite directions to each other, at both sides of the rod member that is inserted in the hollow portion of the main body, and a coil wound around an outer circumferential surface of the main body.
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申请公布号 |
US7742616(B2) |
申请公布日期 |
2010.06.22 |
申请号 |
US20050287370 |
申请日期 |
2005.11.28 |
申请人 |
SEOUL NATIONAL UNIVERSITY INDUSTRY FOUNDATION |
发明人 |
KIM YOON YOUNG;HAN SOON WOO |
分类号 |
H04R25/00 |
主分类号 |
H04R25/00 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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