| 发明名称 |
HEARING PROTECTOR WITH COMPARTMENT FOR RECHARGEABLE BATTERY PACK |
| 摘要 |
A hearing protection device is provided. The hearing protection device can include a speaker to relay sounds, such as conversations, to the user of the hearing protection. The hearing protection device can be powered by a rechargeable battery pack or separately by standard batteries. |
| 申请公布号 |
WO2016126476(A1) |
申请公布日期 |
2016.08.11 |
| 申请号 |
WO2016US15037 |
申请日期 |
2016.01.27 |
| 申请人 |
3M INNOVATIVE PROPERTIES COMPANY |
发明人 |
FLETCHER, DOUGLAS D.;HEMBERG, OSCAR M.;HEMBERG, ERIC O. |
| 分类号 |
G10K11/16;A61F11/14 |
主分类号 |
G10K11/16 |
| 代理机构 |
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代理人 |
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