发明名称 Headphone device
摘要 A headphone device including a driver unit, and an ear-hook hanger of a loop shape that is integrated with the driver unit and supports an entire circumference of an ear capsule is provided.
申请公布号 EP2028874(A1) 申请公布日期 2009.02.25
申请号 EP20080252551 申请日期 2008.07.25
申请人 SONY CORPORATION 发明人 FUJIWARA, KEITARO;MUROZAKI, KATSUNORI
分类号 H04R1/10 主分类号 H04R1/10
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