| 发明名称 |
Microphone Having Closed Cell Foam Body |
| 摘要 |
A microphone 10 that comprises a transducer 12 and a closed cell foam body 18, 20 positioned between the transducer 12 and an opening 25 fashioned for receiving ambient sound. The microphone 10 is protected from external factors without exhibiting substantial sound transmission loss while using few parts. Good voice transmission, wind buffeting mitigation, and environmental protection can be achieved with a single material. |
| 申请公布号 |
US2015092974(A1) |
申请公布日期 |
2015.04.02 |
| 申请号 |
US201314039501 |
申请日期 |
2013.09.27 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
Almeflo Per Ove |
| 分类号 |
H04R1/28 |
主分类号 |
H04R1/28 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
1. A microphone that comprises:
(a) a transducer; and (b) a closed cell foam material positioned between the transducer and an area for receiving ambient sound. |
| 地址 |
St. Paul MN US |
