| 发明名称 |
Condenser microphone and method for manufacturing condenser microphones |
| 摘要 |
A back plate having a stationary back electrode is secured to a substrate. A diaphragm electrode is mounted on the back plate interposing a spacer. A frame having a sound collecting hole is mounted on the diaphragm electrode.
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| 申请公布号 |
US2002172383(A1) |
申请公布日期 |
2002.11.21 |
| 申请号 |
US20020141817 |
申请日期 |
2002.05.10 |
| 申请人 |
CITIZEN ELECTRONICS CO., LTD. |
发明人 |
TANABE HARUHISA;HORIUCHI MEGUMI |
| 分类号 |
H04R31/00;H04R19/04;(IPC1-7):H04R25/00 |
主分类号 |
H04R31/00 |
| 代理机构 |
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