发明名称 |
Listening-speaking system especially for working on airfield where communications are required, has ear defender with vibration generator connected to coupling element on ear defender |
摘要 |
The system has an ear defender (2) or similar, a coupling element (7) on the ear defender and a vibration generator (20) that can be connected to the coupling element. The ear defender can be a conventional capsule type, which can have two capsules, each with a solid shell.
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申请公布号 |
DE19845608(A1) |
申请公布日期 |
2000.04.06 |
申请号 |
DE19981045608 |
申请日期 |
1998.10.05 |
申请人 |
CEOTRONICS AKTIENGESELLSCHAFT AUDIO . VIDEO . DATA COMMUNICATION |
发明人 |
HEMER, BERTHOLD |
分类号 |
A61F11/14;H04B1/38;H04B1/44;H04M1/05;H04M1/60;H04R1/46;(IPC1-7):H04R1/46;H04B1/46;A42B3/30 |
主分类号 |
A61F11/14 |
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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