CH561486A5 - - Google Patents
Info
- Publication number
- CH561486A5 CH561486A5 CH26273A CH26273A CH561486A5 CH 561486 A5 CH561486 A5 CH 561486A5 CH 26273 A CH26273 A CH 26273A CH 26273 A CH26273 A CH 26273A CH 561486 A5 CH561486 A5 CH 561486A5
- Authority
- CH
- Switzerland
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/40—Monitoring; Testing of relay systems
- H04B17/407—Monitoring; Testing of relay systems without selective localization
- H04B17/408—Monitoring; Testing of relay systems without selective localization using successive loop-backs
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Monitoring And Testing Of Exchanges (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722201330 DE2201330C3 (en) | 1972-01-12 | 1972-01-12 | Fault location arrangement for 4-wire communication systems |
Publications (1)
Publication Number | Publication Date |
---|---|
CH561486A5 true CH561486A5 (en) | 1975-04-30 |
Family
ID=5832819
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CH26273A CH561486A5 (en) | 1972-01-12 | 1973-01-10 |
Country Status (4)
Country | Link |
---|---|
AU (1) | AU473439B2 (en) |
CH (1) | CH561486A5 (en) |
DE (1) | DE2201330C3 (en) |
ES (1) | ES410520A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2942410A1 (en) * | 1979-10-19 | 1981-05-07 | Siemens AG, 1000 Berlin und 8000 München | ADDRESS-FREE ERROR LOCATION BY LOOP IN A MESSAGE ROUTE |
GB8830262D0 (en) * | 1988-12-24 | 1989-02-22 | Stc Plc | Submarine optical cable fault location |
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1972
- 1972-01-12 DE DE19722201330 patent/DE2201330C3/en not_active Expired
-
1973
- 1973-01-08 AU AU50831/73A patent/AU473439B2/en not_active Expired
- 1973-01-10 CH CH26273A patent/CH561486A5/xx not_active IP Right Cessation
- 1973-01-11 ES ES410520A patent/ES410520A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
ES410520A1 (en) | 1975-12-01 |
DE2201330A1 (en) | 1973-07-19 |
DE2201330C3 (en) | 1975-11-13 |
DE2201330B2 (en) | 1975-03-20 |
AU473439B2 (en) | 1976-06-24 |
AU5083173A (en) | 1974-07-11 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PL | Patent ceased |