| 发明名称 |
OPTICAL TRANSMISSION LINE MONITORING APPARATUS AND RECEIVING STATION |
| 摘要 |
An optical transmission line monitoring apparatus, comprising: monitor wavelength extracting means for extracting a predetermined monitor wavelength from input light; and judging means for judging whether any trouble is present in the optical transmission system by comparing the intensity of output light from said monitor wavelength extracting means with a predetermined threshold value.
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| 申请公布号 |
US2002067522(A1) |
申请公布日期 |
2002.06.06 |
| 申请号 |
US19980094322 |
申请日期 |
1998.06.09 |
| 申请人 |
TANAKA HIDEAKI;GOTO KOJI |
发明人 |
TANAKA HIDEAKI;GOTO KOJI |
| 分类号 |
H04B3/46;H04B10/02;H04B10/04;H04B10/06;H04B10/08;H04B10/12;H04B10/13;H04B10/135;H04B10/14;H04B10/26;H04B10/28;(IPC1-7):H04B10/08;H04J14/02 |
主分类号 |
H04B3/46 |
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