JPS5199904A - - Google Patents
Info
- Publication number
- JPS5199904A JPS5199904A JP2536075A JP2536075A JPS5199904A JP S5199904 A JPS5199904 A JP S5199904A JP 2536075 A JP2536075 A JP 2536075A JP 2536075 A JP2536075 A JP 2536075A JP S5199904 A JPS5199904 A JP S5199904A
- Authority
- JP
- Japan
- 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
- Dc Digital Transmission (AREA)
- Maintenance And Management Of Digital Transmission (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
- Optical Communication System (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2536075A JPS5750100B2 (ja) | 1975-02-28 | 1975-02-28 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2536075A JPS5750100B2 (ja) | 1975-02-28 | 1975-02-28 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5199904A true JPS5199904A (ja) | 1976-09-03 |
JPS5750100B2 JPS5750100B2 (ja) | 1982-10-26 |
Family
ID=12163665
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2536075A Expired JPS5750100B2 (ja) | 1975-02-28 | 1975-02-28 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5750100B2 (ja) |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51140406A (en) * | 1975-05-30 | 1976-12-03 | Tokyo Electric Power Co Inc:The | Light communication monitoring system |
JPS5493911A (en) * | 1978-01-09 | 1979-07-25 | Kokusai Denshin Denwa Co Ltd | Optical repeating transmission line trouble monitoring system |
JPS54133001A (en) * | 1978-04-07 | 1979-10-16 | Kokusai Denshin Denwa Co Ltd | Light repeater monitoring system |
JPS54134503A (en) * | 1978-04-11 | 1979-10-19 | Kokusai Denshin Denwa Co Ltd | Light transmission line repeater monitoring system |
DE3000060A1 (de) | 1979-02-08 | 1980-08-14 | Kokusai Denshin Denwa Co Ltd | Ueberwachungssystem fuer einen optischen verstaerker |
JPS55156435A (en) * | 1979-05-24 | 1980-12-05 | Fujitsu Ltd | Fault bracketing system of two-way light transmitter |
JPS5632844A (en) * | 1979-08-27 | 1981-04-02 | Nippon Telegr & Teleph Corp <Ntt> | Light repeater monitoring system |
-
1975
- 1975-02-28 JP JP2536075A patent/JPS5750100B2/ja not_active Expired
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS51140406A (en) * | 1975-05-30 | 1976-12-03 | Tokyo Electric Power Co Inc:The | Light communication monitoring system |
JPS5493911A (en) * | 1978-01-09 | 1979-07-25 | Kokusai Denshin Denwa Co Ltd | Optical repeating transmission line trouble monitoring system |
JPS593051B2 (ja) * | 1978-01-09 | 1984-01-21 | ケイディディ株式会社 | 光中継伝送路の障害監視方式 |
JPS54133001A (en) * | 1978-04-07 | 1979-10-16 | Kokusai Denshin Denwa Co Ltd | Light repeater monitoring system |
JPS593902B2 (ja) * | 1978-04-07 | 1984-01-26 | ケイディディ株式会社 | 光中継器監視方式 |
JPS54134503A (en) * | 1978-04-11 | 1979-10-19 | Kokusai Denshin Denwa Co Ltd | Light transmission line repeater monitoring system |
DE3000060A1 (de) | 1979-02-08 | 1980-08-14 | Kokusai Denshin Denwa Co Ltd | Ueberwachungssystem fuer einen optischen verstaerker |
JPS55156435A (en) * | 1979-05-24 | 1980-12-05 | Fujitsu Ltd | Fault bracketing system of two-way light transmitter |
JPS5632844A (en) * | 1979-08-27 | 1981-04-02 | Nippon Telegr & Teleph Corp <Ntt> | Light repeater monitoring system |
Also Published As
Publication number | Publication date |
---|---|
JPS5750100B2 (ja) | 1982-10-26 |