发明申请
- 专利标题: Earphone device
- 专利标题(中): 耳机设备
-
申请号: US11651557申请日: 2007-01-10
-
公开(公告)号: US20070189570A1公开(公告)日: 2007-08-16
- 发明人: Tomohiro Matsuo , Takashi Ohta , Koji Nageno , Tomohiro Ito
- 申请人: Tomohiro Matsuo , Takashi Ohta , Koji Nageno , Tomohiro Ito
- 优先权: JPP2006-005412 20060112
- 主分类号: H04R25/00
- IPC分类号: H04R25/00 ; A61B7/02
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
- US08611581B2 Earphone device 公开/授权日:2013-12-17