发明名称 |
Microphone with range switching |
摘要 |
A variable sensitivity/variable gain circuit for an electret microphone (10) having an amplifier (12) includes a sensitivity selecting circuit (32) coupled with the buffer amplifier (12) for adjusting the transduction gain of the microphone. |
申请公布号 |
AU5097001(A) |
申请公布日期 |
2001.10.23 |
申请号 |
AU20010050970 |
申请日期 |
2001.03.23 |
申请人 |
MICROTRONIC NEDERLAND B.V. |
发明人 |
AART Z. VAN HALTERAN;ADRIANUS M. LAFORT |
分类号 |
H04R1/04 |
主分类号 |
H04R1/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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