发明公开
- 专利标题: ELECTRO-ACOUSTIC CONVERTER AND ELECTRONIC DEVICE USING THE SAME
- 专利标题(中): 电声转换器和电子设备
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申请号: EP05751577申请日: 2005-06-17
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公开(公告)号: EP1744587A4公开(公告)日: 2009-01-21
- 发明人: HONDA KAZUKI , YANO HIROSHI , SHIMOKAWATOKO TAKESHI , YAMASAKI KAZUYA , KUBO KAZUTAKA , SUMIYAMA MASAHIDE
- 申请人: PANASONIC CORP
- 专利权人: PANASONIC CORP
- 当前专利权人: PANASONIC CORP
- 优先权: JP2004184720 2004-06-23
- 主分类号: H04R1/02
- IPC分类号: H04R1/02 ; H04R9/02
摘要:
An electro-acoustic converter (35) such as a loudspeaker includes: a frame (26) connected to a magnetic circuit member (24); a diaphragm (27) connected to the frame (26); a voice coil (28) connected to the diaphragm (27) and having a part arranged in a magnetic gap (25) of the magnetic circuit member (24); a terminal (30) made of a metal plate which has been subjected to a bending processing and utilizing the spring pressure of the metal plate to bring it into contact with the power supply unit of the electronic device mounted; and a stopper (29) regulating the bending of the metal plate constituting the terminal (30) within a reversible limit value of the metal material.
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