NO158967C - ERROR LOCATION DEVICE FOR A LIGHT WAVER WIRE CABLE. - Google Patents
ERROR LOCATION DEVICE FOR A LIGHT WAVER WIRE CABLE.Info
- Publication number
- NO158967C NO158967C NO834646A NO834646A NO158967C NO 158967 C NO158967 C NO 158967C NO 834646 A NO834646 A NO 834646A NO 834646 A NO834646 A NO 834646A NO 158967 C NO158967 C NO 158967C
- Authority
- NO
- Norway
- Prior art keywords
- wire cable
- location device
- error location
- waver
- light
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/07—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems
- H04B10/071—Arrangements for monitoring or testing transmission systems; Arrangements for fault measurement of transmission systems using a reflected signal, e.g. using optical time domain reflectometers [OTDR]
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Optical Communication System (AREA)
- Locating Faults (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP82111771A EP0111582B1 (en) | 1982-12-18 | 1982-12-18 | Fault locating arrangement for an optical fibre cable link |
Publications (3)
Publication Number | Publication Date |
---|---|
NO834646L NO834646L (en) | 1984-06-19 |
NO158967B NO158967B (en) | 1988-08-08 |
NO158967C true NO158967C (en) | 1988-11-16 |
Family
ID=8189412
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO834646A NO158967C (en) | 1982-12-18 | 1983-12-16 | ERROR LOCATION DEVICE FOR A LIGHT WAVER WIRE CABLE. |
Country Status (3)
Country | Link |
---|---|
EP (1) | EP0111582B1 (en) |
DE (1) | DE3273936D1 (en) |
NO (1) | NO158967C (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8906937D0 (en) * | 1989-03-28 | 1989-05-10 | Plessey Telecomm | Testing optical fibre links |
GB2242324B (en) * | 1990-03-22 | 1993-09-22 | Stc Plc | Fault location. |
GB9025304D0 (en) * | 1990-11-21 | 1991-01-02 | Plessey Telecomm | Optical transmission monitoring |
DE4102309C2 (en) * | 1991-01-26 | 1996-05-15 | Ant Nachrichtentech | Optical distribution network |
CA2068926C (en) * | 1991-09-03 | 1997-08-26 | Cleo D. Anderson | Optical line monitor |
US5825515A (en) * | 1991-09-03 | 1998-10-20 | Lucent Technologies Inc. | Supervisory apparatus for optical transmission system |
JP2641674B2 (en) * | 1992-05-28 | 1997-08-20 | 国際電信電話株式会社 | Fault location method and apparatus for optical repeater system and optical repeater |
JP2968394B2 (en) * | 1992-06-10 | 1999-10-25 | ケイディディ株式会社 | Monitoring method of optical repeater system, return circuit, and transmission / reception circuit |
JPH0795161A (en) * | 1993-09-20 | 1995-04-07 | Fujitsu Ltd | Optical amplification relay transmission system |
GB9526185D0 (en) | 1995-12-21 | 1996-02-21 | Stc Submarine Systems Ltd | Fiber-break detection in bi-directional optical amplifier systems |
NL1036720C2 (en) * | 2009-03-17 | 2010-09-20 | H C Van Dasselaar Holding B V | METHOD AND SYSTEM FOR TESTING A CABLE TREE WITH AT LEAST TWO OPTICAL FIBERS. |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2554718C2 (en) * | 1975-12-05 | 1982-11-11 | Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt | Circuit arrangement for determining the location of the fault |
DE3042815C2 (en) * | 1980-11-13 | 1985-10-17 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Method for locating faults on an optical transmission link and arrangements for carrying out the method |
-
1982
- 1982-12-18 DE DE8282111771T patent/DE3273936D1/en not_active Expired
- 1982-12-18 EP EP82111771A patent/EP0111582B1/en not_active Expired
-
1983
- 1983-12-16 NO NO834646A patent/NO158967C/en unknown
Also Published As
Publication number | Publication date |
---|---|
EP0111582B1 (en) | 1986-10-22 |
DE3273936D1 (en) | 1986-11-27 |
NO834646L (en) | 1984-06-19 |
EP0111582A1 (en) | 1984-06-27 |
NO158967B (en) | 1988-08-08 |
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