发明申请
- 专利标题： Headphone set and method of producing the same
- 专利标题（中）： 耳机套及其制作方法
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申请号： US12221811申请日： 2008-08-07
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公开(公告)号： US20090041284A1公开(公告)日： 2009-02-12
- 发明人: Masaaki Tanaka , Makoto Ito , Kunimitsu Okamura , Yuzuko Sasaki
- 申请人： Masaaki Tanaka , Makoto Ito , Kunimitsu Okamura , Yuzuko Sasaki
- 申请人地址： JP Yokohama-shi
- 专利权人： Victor Company of Japan, Ltd.
- 当前专利权人： Victor Company of Japan, Ltd.
- 当前专利权人地址： JP Yokohama-shi
- 优先权： JPJP2007-206812 20070808; JPJP2007-214908 20070821
- 主分类号： H04R3/00
- IPC分类号： H04R3/00
摘要：
A headphone set has at least one speaker unit and a housing that encloses the speaker unit. The housing has an elastic protruding portion having a cavity therein. A sound-emitting portion is formed as protruding from a vibrating zone of the speaker unit.
公开/授权文献
- US08175315B2 Headphone set and method of producing the same 公开/授权日：2012-05-08