发明名称 |
Shielding unit for e.g. telephone receiver consists of sheet metal with opening made of magnetically conductive material and has same dimensions as sound wave outlet opening |
摘要 |
The shielding unit includes a shielding sheet metal (10) with openings (14) consisting of magnetically conductive material. The sheet metal has at least the same dimensions as the sound wave outlet opening of a sound wave generation unit at a telephone receiver (12).
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申请公布号 |
DE10162489(A1) |
申请公布日期 |
2003.07.03 |
申请号 |
DE20011062489 |
申请日期 |
2001.12.19 |
申请人 |
GRUBER, BRUNO |
发明人 |
GRUBER, BRUNO |
分类号 |
H01Q1/52;H04B1/38;H04M1/02;(IPC1-7):H05K9/00 |
主分类号 |
H01Q1/52 |
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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