JPH0150149B2 - - Google Patents
Info
- Publication number
- JPH0150149B2 JPH0150149B2 JP847981A JP847981A JPH0150149B2 JP H0150149 B2 JPH0150149 B2 JP H0150149B2 JP 847981 A JP847981 A JP 847981A JP 847981 A JP847981 A JP 847981A JP H0150149 B2 JPH0150149 B2 JP H0150149B2
- Authority
- JP
- Japan
- Prior art keywords
- control signal
- hdb
- signal
- pattern
- relay transmission
- 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.)
- Expired
Links
- 230000005540 biological transmission Effects 0.000 claims description 20
- 238000000034 method Methods 0.000 claims description 7
- 230000008054 signal transmission Effects 0.000 claims description 7
- 238000001514 detection method Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000002238 attenuated effect Effects 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 230000001902 propagating effect Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Landscapes
- Arrangements For Transmission Of Measured Signals (AREA)
- Time-Division Multiplex Systems (AREA)
- Dc Digital Transmission (AREA)
- Selective Calling Equipment (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP847981A JPS57121798A (en) | 1981-01-22 | 1981-01-22 | Control signal transmission system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP847981A JPS57121798A (en) | 1981-01-22 | 1981-01-22 | Control signal transmission system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS57121798A JPS57121798A (en) | 1982-07-29 |
| JPH0150149B2 true JPH0150149B2 (cs) | 1989-10-27 |
Family
ID=11694239
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP847981A Granted JPS57121798A (en) | 1981-01-22 | 1981-01-22 | Control signal transmission system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS57121798A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4264024B2 (ja) * | 2004-04-21 | 2009-05-13 | 日本ギア工業株式会社 | 弁の開閉検査方法とその装置 |
-
1981
- 1981-01-22 JP JP847981A patent/JPS57121798A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS57121798A (en) | 1982-07-29 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP0327128B1 (en) | Data communication system having channel switching means | |
| EP0151616B1 (en) | Control signalling arrangement for a digital transmission system | |
| US4022988A (en) | Fault locating apparatus for digital transmission system | |
| EP0152423B1 (en) | Maintenance response signalling arrangement for a digital transmission system | |
| CA1270539A (en) | Fault location system for a digital transmission line | |
| US4862480A (en) | Digital data service system | |
| JPH0687552B2 (ja) | デジタル使用信号を伝送するための伝送区間における順次に続く少なくとも2つの伝送部分区間の個別の監視方法及び装置 | |
| US5271035A (en) | Repeater supervision | |
| JPH0150149B2 (cs) | ||
| US4077004A (en) | Fault location system for a repeatered PCM transmission system | |
| JPS6346624B2 (cs) | ||
| GB2139788A (en) | Underwater communication | |
| JPH04227358A (ja) | 中継器監視装置 | |
| JPH0797761B2 (ja) | 光伝送方式 | |
| GB2217944A (en) | "Optical repeater supervisory system" | |
| JPH0124384B2 (cs) | ||
| DK154250B (da) | Alfabet/kode-omsaetter til et digitalt transmissionsanlaeg | |
| JPH0354906B2 (cs) | ||
| JPS6328377B2 (cs) | ||
| RU1775861C (ru) | Способ прогнозировани состо ни линейного тракта цифровой системы передачи | |
| JPS6096049A (ja) | 障害探索方式 | |
| JPS6282835A (ja) | 時分割多方向多重通信方式 | |
| JPS5853256A (ja) | デジタル中継伝送路の監視方式 | |
| JPS60229556A (ja) | デイジタル光信号伝送路の障害点評定方式 | |
| JPS6062759A (ja) | 回線監視方式 |