发明名称 |
PHOTO AGC SYSTEM |
摘要 |
PURPOSE:To perform AGC with the characteristics of an APD when a receiving level is low and by controlling the gain of an amplifier when it is high and achieve the improvement in S/N. |
申请公布号 |
JPS5370480(A) |
申请公布日期 |
1978.06.22 |
申请号 |
JP19760145617 |
申请日期 |
1976.12.06 |
申请人 |
HITACHI LTD |
发明人 |
YAMAMURA MASAYORI;YAMASHITA KIICHI |
分类号 |
H04B10/572;G01J1/42;G01J1/44;H04B10/00;H04B10/07;H04B10/293;H04B10/564 |
主分类号 |
H04B10/572 |
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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