| 发明名称 |
Level regulator governed by a pilot tone |
| 摘要 |
The invention relates to transmission systems and in particular to level regulators controlled by a pilot tone and used in such systems to correct variations over a period of time in the attenuation of the transmission system.
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| 申请公布号 |
US4158113(A) |
申请公布日期 |
1979.06.12 |
| 申请号 |
US19780920896 |
申请日期 |
1978.06.29 |
| 申请人 |
INDUSTRIELLE DES TELECOMMUNICATIONS |
发明人 |
LACROIX, JEAN-CLAUDE |
| 分类号 |
H04B3/10;(IPC1-7):H04B3/12 |
主分类号 |
H04B3/10 |
| 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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