发明名称 ヘッドホンドライバ、スピーカ、ヘッドホンドライバ又はスピーカの製造方法
摘要 Provided is a headphone driver including a yoke that has a bottom surface and an erected surface that is erected in a perpendicular direction with respect to the bottom surface, and that is formed using a magnetic material, and a bonded magnet unit consisting of a bonded magnet that is provided on the bottom surface of the yoke. The magnetic flux of the bonded magnet unit is concentrated on the side surface of the bonded magnet unit facing the erected surface of the yoke.
申请公布号 JP5999174(B2) 申请公布日期 2016.09.28
申请号 JP20140506054 申请日期 2013.01.17
申请人 ソニー株式会社 发明人 投野 耕治;原 毅
分类号 H04R9/02;H04R31/00 主分类号 H04R9/02
代理机构 代理人
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