DE69520008T2 - Vorrichtung zum Abfragen eines Lichtwellenleiternetzwerks - Google Patents
Vorrichtung zum Abfragen eines LichtwellenleiternetzwerksInfo
- Publication number
- DE69520008T2 DE69520008T2 DE69520008T DE69520008T DE69520008T2 DE 69520008 T2 DE69520008 T2 DE 69520008T2 DE 69520008 T DE69520008 T DE 69520008T DE 69520008 T DE69520008 T DE 69520008T DE 69520008 T2 DE69520008 T2 DE 69520008T2
- Authority
- DE
- Germany
- Prior art keywords
- querying
- optical fiber
- fiber network
- network
- optical
- 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 - Fee Related
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M11/00—Testing of optical apparatus; Testing structures by optical methods not otherwise provided for
- G01M11/30—Testing of optical devices, constituted by fibre optics or optical waveguides
- G01M11/31—Testing of optical devices, constituted by fibre optics or optical waveguides with a light emitter and a light receiver being disposed at the same side of a fibre or waveguide end-face, e.g. reflectometers
- G01M11/3109—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR
- G01M11/3118—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR using coded light-pulse sequences
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optical Communication System (AREA)
- Dc Digital Transmission (AREA)
- Optical Radar Systems And Details Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GBGB9524485.1A GB9524485D0 (en) | 1995-11-30 | 1995-11-30 | Device for interrogating an optical fibre network |
PCT/GB1995/002844 WO1997020196A1 (en) | 1995-11-30 | 1995-12-06 | Device for interrogating an optical fibre network |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69520008D1 DE69520008D1 (de) | 2001-03-01 |
DE69520008T2 true DE69520008T2 (de) | 2001-06-21 |
Family
ID=10784694
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69520008T Expired - Fee Related DE69520008T2 (de) | 1995-11-30 | 1995-12-06 | Vorrichtung zum Abfragen eines Lichtwellenleiternetzwerks |
Country Status (6)
Country | Link |
---|---|
EP (2) | EP0864081B1 (de) |
AU (1) | AU719692B2 (de) |
DE (1) | DE69520008T2 (de) |
ES (1) | ES2153905T3 (de) |
GB (1) | GB9524485D0 (de) |
WO (1) | WO1997020196A1 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AUPP941099A0 (en) * | 1999-03-24 | 1999-04-15 | Cable & Wireless Optus Ltd | Coaxial cable fault locator |
DE10307542A1 (de) * | 2002-11-27 | 2004-06-17 | Fibotec Fiberoptics Gmbh | Verfahren und Anordnung zur Ermittlung von Verluststellen in optischen Fasern |
US7415367B2 (en) | 2003-05-20 | 2008-08-19 | Arcom Digital, Llc | System and method to locate common path distortion on cable systems |
US7584496B2 (en) | 2005-02-22 | 2009-09-01 | Arcom Digital, Llc | Method and apparatus for pinpointing common path distortion |
WO2008116309A1 (en) * | 2007-03-26 | 2008-10-02 | Universite Laval | Method and system for testing for defects in a multipath optical network |
FR2958399B1 (fr) | 2010-03-31 | 2012-05-04 | Alcatel Lucent | Surveillance d'un systeme par reflectometrie optique |
EP3578946B1 (de) | 2018-06-07 | 2020-11-04 | ADVA Optical Networking SE | Verfahren und vorrichtung zur bestimmung einer flugzeit eines optischen signals zwischen einem ausgangspunkt eines optischen pfades und einem reflexionspunkt innerhalb des optischen pfades |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5000568A (en) * | 1986-11-26 | 1991-03-19 | Hewlett-Packard Company | Spread spectrum optical time domain reflectometer |
GB8918862D0 (en) * | 1989-08-18 | 1989-09-27 | British Telecomm | Line monitoring system |
-
1995
- 1995-11-30 GB GBGB9524485.1A patent/GB9524485D0/en active Pending
- 1995-12-06 WO PCT/GB1995/002844 patent/WO1997020196A1/en active IP Right Grant
- 1995-12-06 AU AU39909/95A patent/AU719692B2/en not_active Ceased
- 1995-12-06 EP EP95938555A patent/EP0864081B1/de not_active Expired - Lifetime
- 1995-12-06 ES ES95938555T patent/ES2153905T3/es not_active Expired - Lifetime
- 1995-12-06 DE DE69520008T patent/DE69520008T2/de not_active Expired - Fee Related
- 1995-12-06 EP EP00115396A patent/EP1046896A3/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
AU719692B2 (en) | 2000-05-18 |
GB9524485D0 (en) | 1996-01-31 |
AU3990995A (en) | 1997-06-19 |
WO1997020196A1 (en) | 1997-06-05 |
EP1046896A3 (de) | 2001-02-07 |
EP0864081B1 (de) | 2001-01-24 |
EP1046896A2 (de) | 2000-10-25 |
ES2153905T3 (es) | 2001-03-16 |
EP0864081A1 (de) | 1998-09-16 |
DE69520008D1 (de) | 2001-03-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |