发明名称 Earphone device
摘要 An earphone device includes a housing (5) having a driver unit, and a sound guide tube (4) mounted on a front surface of the housing (5) to protrude from the front surface, in which the sound guide tube (4) is disposed at a position deviated from a center position of the housing (5).
申请公布号 EP1809069(B1) 申请公布日期 2014.06.25
申请号 EP20070100467 申请日期 2007.01.12
申请人 SONY CORPORATION 发明人 MATSUO, TOMOHIRO;OHTA, TAKASHI;NAGENO, KOJI;ITO, TOMOHIRO
分类号 H04R1/10 主分类号 H04R1/10
代理机构 代理人
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