发明名称 |
AN ELECTROACOUSTIC TRANSDUCER AND A DIAPHRAGM FOR AN ELECTROACOUSTIC TRANSDUCER |
摘要 |
In an electroacoustic transducer (1) having a diaphragm (19) and having a supporting means (25) for the diaphragm (19) the diaphragm (19) and the supporting structure (25) form a single part, and an annular outer zone (24) of the diaphragm (19) and a first annular zone (26) of the supporting structure (25) adjoin one another smoothly. |
申请公布号 |
EP0974243(B1) |
申请公布日期 |
2003.10.08 |
申请号 |
EP19990902732 |
申请日期 |
1999.02.11 |
申请人 |
KONINKLIJKE PHILIPS ELECTRONICS N.V. |
发明人 |
FRASL, EWALD;KLEIN, ERICH |
分类号 |
H04R7/12;H04R7/20;H04R9/02 |
主分类号 |
H04R7/12 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|