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
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