| 发明名称 |
LEAD-FRAME FOR AN ELECTRET MICROPHONE |
| 摘要 |
<p>A lead frame for an electret microphone consists of thin metallic material shaped with two continuous rectangular plates. One forms the base plate for an amplifying unit included in the electret microphone and the other forms the rear electrode of the electret microphone. One or more leads are included in the frame and connected to one of the plates.</p> |
| 申请公布号 |
CA1210495(A) |
申请公布日期 |
1986.08.26 |
| 申请号 |
CA19820412927 |
申请日期 |
1982.10.06 |
| 申请人 |
TELEFONAKTIEBOLAGET L M ERICSSON |
发明人 |
MADSEN, HENNING S.;MALMKVIST, HANS G.;AKSBERG, ARVI J.;JOHANSSON, JAN |
| 分类号 |
H04R1/04;H04R1/06;H04R19/01;(IPC1-7):H04R19/04;H04R31/00 |
主分类号 |
H04R1/04 |
| 代理机构 |
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代理人 |
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