发明授权
- 专利标题： Earphone device
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申请号： US11651557申请日： 2007-01-10
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公开(公告)号： US08611581B2公开(公告)日： 2013-12-17
- 发明人: Tomohiro Matsuo , Takashi Ohta , Koji Nageno , Tomohiro Ito
- 申请人： Tomohiro Matsuo , Takashi Ohta , Koji Nageno , Tomohiro Ito
- 申请人地址： JP Tokyo
- 专利权人： Sony Corporation
- 当前专利权人： Sony Corporation
- 当前专利权人地址： JP Tokyo
- 代理机构： Finnegan, Henderson, Farabow, Garrett & Dunner, L.L.P.
- 优先权： JPP2006-005412 20060112
- 主分类号： H04R25/00
- IPC分类号： H04R25/00
摘要：
An earphone device includes a housing having a driver unit, and a sound guide tube mounted on a front surface of the housing to protrude from the front surface, in which the sound guide tube is disposed at a position deviated from a center position of the housing.
公开/授权文献
- US20070189570A1 Earphone device 公开/授权日：2007-08-16
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