| 发明名称 |
TELEFONAPPARAT ANORDNAD ATT FOERHINDRA AKUSTISK KOPPLING MELLAN TELEFONSAENDARE OCH TELEFONMOTTAGARE |
| 摘要 |
A telephone set and a handset are provided which are capable for preventing acoustic coupling between a telephone transmitter and a telephone receiver by isolating the transmitter from the region of the receiver. |
| 申请公布号 |
SE468783(B) |
申请公布日期 |
1993.03.15 |
| 申请号 |
SE19870000350 |
申请日期 |
1987.01.29 |
| 申请人 |
MITSUBISHI DENKI KK |
发明人 |
S *YOSHIDA;A *MUSHA;T *NONAMI |
| 分类号 |
H04M1/03;H04M1/02;H04M1/20 |
主分类号 |
H04M1/03 |
| 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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