JPS5783899A - Optical fiber transmission line defect searching system - Google Patents
Optical fiber transmission line defect searching systemInfo
- Publication number
- JPS5783899A JPS5783899A JP16000380A JP16000380A JPS5783899A JP S5783899 A JPS5783899 A JP S5783899A JP 16000380 A JP16000380 A JP 16000380A JP 16000380 A JP16000380 A JP 16000380A JP S5783899 A JPS5783899 A JP S5783899A
- Authority
- JP
- Japan
- Prior art keywords
- optical fiber
- transmission line
- fiber transmission
- line defect
- searching system
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16000380A JPS5783899A (en) | 1980-11-13 | 1980-11-13 | Optical fiber transmission line defect searching system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP16000380A JPS5783899A (en) | 1980-11-13 | 1980-11-13 | Optical fiber transmission line defect searching system |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5783899A true JPS5783899A (en) | 1982-05-25 |
JPS6352826B2 JPS6352826B2 (en) | 1988-10-20 |
Family
ID=15705868
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP16000380A Granted JPS5783899A (en) | 1980-11-13 | 1980-11-13 | Optical fiber transmission line defect searching system |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5783899A (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02253747A (en) * | 1989-03-28 | 1990-10-12 | Nec Corp | Monitoring system for optical submarine cable system |
JPH0423625A (en) * | 1990-05-18 | 1992-01-28 | Nec Corp | Optical repeater |
US7167652B2 (en) | 1992-04-08 | 2007-01-23 | Hitachi, Ltd | Optical transmission system constructing method and system |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5765930A (en) * | 1980-10-13 | 1982-04-21 | Nippon Telegr & Teleph Corp <Ntt> | Searching method for fault of optical fiber transmission system |
-
1980
- 1980-11-13 JP JP16000380A patent/JPS5783899A/en active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5765930A (en) * | 1980-10-13 | 1982-04-21 | Nippon Telegr & Teleph Corp <Ntt> | Searching method for fault of optical fiber transmission system |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH02253747A (en) * | 1989-03-28 | 1990-10-12 | Nec Corp | Monitoring system for optical submarine cable system |
JPH0423625A (en) * | 1990-05-18 | 1992-01-28 | Nec Corp | Optical repeater |
US7167652B2 (en) | 1992-04-08 | 2007-01-23 | Hitachi, Ltd | Optical transmission system constructing method and system |
US7292785B2 (en) | 1992-04-08 | 2007-11-06 | Hitachi, Ltd. | Optical transmission system constructing method and system |
Also Published As
Publication number | Publication date |
---|---|
JPS6352826B2 (en) | 1988-10-20 |
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