| 发明名称 |
Automatic gain control device using optical means in a system for transmitting electric signals by an optical link. |
| 摘要 |
<p>A variable opacity liquid-crystal optical attenuator (24) is inserted into the optical link (6), with an electrical control circuit (23) inserted into a negative feedback loop disposed at the output of the video frequency amplifier (9) connected at the output of the optical link. Application to fast electronics. <IMAGE></p> |
| 申请公布号 |
EP0027758(A1) |
申请公布日期 |
1981.04.29 |
| 申请号 |
EP19800401426 |
申请日期 |
1980.10.07 |
| 申请人 |
THOMSON-CSF |
发明人 |
EUMURIAN, GREGOIRE |
| 分类号 |
H04B10/00;G02F1/01;G02F1/133;H01S5/068;H03G3/20;H03G3/30;H04B10/04;H04B10/06;H04B10/14;H04B10/158;(IPC1-7):03G3/20 |
主分类号 |
H04B10/00 |
| 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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