发明名称 |
Microphone |
摘要 |
The invention relates to microphone. The microphone comprises at least one non-conductive component, wherein at least one side of said non-conductive component is covered by a metal layer, characterised in that said metal layer is covered by a protective layer. The microphone is a component of a delegate unit of a conference system or a congress system.
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申请公布号 |
US2006162996(A1) |
申请公布日期 |
2006.07.27 |
申请号 |
US20060326054 |
申请日期 |
2006.01.05 |
申请人 |
LURVINK RENE;KAS MARTIEN;SMAAK MARC;HERMANS AD |
发明人 |
LURVINK RENE;KAS MARTIEN;SMAAK MARC;HERMANS AD |
分类号 |
F01N7/00;H04R19/00;H04R19/04;H05K9/00 |
主分类号 |
F01N7/00 |
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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