发明公开
- 专利标题： SPEAKER AND ELECTRONIC APPARATUS AND DEVICE USING THE SAME
- 专利标题（中）： 喇叭及电子设备和装置
-
申请号： EP07713645申请日： 2007-01-19
-
公开(公告)号： EP1971185A4公开(公告)日： 2009-04-01
- 发明人: SANO KOUZI , SUMIYAMA MASAHIDE , FUKUYAMA TAKANORI , SHIMOKAWATOKO TAKESHI , KUBO KAZUTAKA , ITOH SATOSHI , HONDA KAZUKI
- 申请人： PANASONIC CORP
- 专利权人： PANASONIC CORP
- 当前专利权人： PANASONIC CORP
- 优先权： JP2006014860 2006-01-24
- 主分类号： H04R9/02
- IPC分类号： H04R9/02 ; H04R7/12
摘要：
Provided is a speaker for an acoustic field and an information communication field which can be realized as a thin shape. For this, the speaker is configured by inserting a part of a diaphragm into a concave or a hole formed at a center pole of a lower plate of a magnetic circuit. This enables containing a part of the diaphragm within the height of the magnetic circuit, thereby realizing a thin shape.
信息查询
