发明名称 |
HEADPHONE DRIVER, SPEAKER, AND METHOD FOR MANUFACTURING HEADPHONE DRIVER OR SPEAKER |
摘要 |
[Problem] To propose a headphone driver and a speaker that each use a bonded magnet, and a method for manufacturing a headphone driver or a speaker. [Solution] This headphone driver comprises a yoke which has a bottom surface and an erected surface erected in the direction perpendicular to the bottom surface and is formed using a magnetic material, and a bonded magnet unit which is configured from a bonded magnet and provided on the bottom surface of the yoke, and the magnetic flux of the bonded magnet unit concentrates on a side surface of the bonded magnet unit, the side surface facing the erected surface of the yoke. |
申请公布号 |
WO2013140839(A1) |
申请公布日期 |
2013.09.26 |
申请号 |
WO2013JP50773 |
申请日期 |
2013.01.17 |
申请人 |
SONY CORPORATION |
发明人 |
NAGENO, KOJI;HARA, TAKESHI |
分类号 |
H04R9/02;H04R1/10;H04R31/00 |
主分类号 |
H04R9/02 |
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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