| 发明名称 |
COMMUNICATION PRIVACY MASK |
| 摘要 |
The communication privacy mask has a housing having an opening coupled with a mouth piece and a hollow sound tube mounted in the housing. A microphone is positioned in the sound tube with a space in front of the front end of the microphone. |
| 申请公布号 |
WO2009029667(A2) |
申请公布日期 |
2009.03.05 |
| 申请号 |
WO2008US74487 |
申请日期 |
2008.08.27 |
| 申请人 |
JB SCIENTIFIC, LLC;MANNE, JOSEPH |
发明人 |
MANNE, JOSEPH |
| 分类号 |
H04B1/38;H04R1/10 |
主分类号 |
H04B1/38 |
| 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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