DE69312768D1 - Verfahren mit Vorrichtung zur Detektion von Reflektionen - Google Patents
Verfahren mit Vorrichtung zur Detektion von ReflektionenInfo
- Publication number
- DE69312768D1 DE69312768D1 DE69312768T DE69312768T DE69312768D1 DE 69312768 D1 DE69312768 D1 DE 69312768D1 DE 69312768 T DE69312768 T DE 69312768T DE 69312768 T DE69312768 T DE 69312768T DE 69312768 D1 DE69312768 D1 DE 69312768D1
- Authority
- DE
- Germany
- Prior art keywords
- signal
- measuring signal
- network
- location
- measuring
- 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
- G01M11/3172—Reflectometers detecting the back-scattered light in the frequency-domain, e.g. OFDR, FMCW, heterodyne detection
-
- 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)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Engineering & Computer Science (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Optics & Photonics (AREA)
- Optical Communication System (AREA)
- Testing Of Optical Devices Or Fibers (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
- Monitoring And Testing Of Transmission In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL9200436A NL9200436A (nl) | 1992-03-09 | 1992-03-09 | Methode met inrichting voor het detecteren van reflecties. |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69312768D1 true DE69312768D1 (de) | 1997-09-11 |
DE69312768T2 DE69312768T2 (de) | 1998-01-08 |
Family
ID=19860536
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69312768T Expired - Fee Related DE69312768T2 (de) | 1992-03-09 | 1993-03-01 | Verfahren mit Vorrichtung zur Detektion von Reflektionen |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP0560426B1 (de) |
AT (1) | ATE156637T1 (de) |
DE (1) | DE69312768T2 (de) |
ES (1) | ES2108204T3 (de) |
NL (1) | NL9200436A (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5790285A (en) * | 1996-05-21 | 1998-08-04 | Lucent Technologies Inc. | Lightwave communication monitoring system |
US7132645B2 (en) * | 2003-03-07 | 2006-11-07 | Infraredx, Inc. | System and method for assessing catheter connection using return loss |
EP1748580A1 (de) * | 2005-07-28 | 2007-01-31 | Alcatel | Verfahren zur Überprüfung der Integrität einer optischen Zugangsleitung |
DE602005003941T2 (de) | 2005-08-12 | 2008-12-11 | Alcatel Lucent | Verfahren und Vorrichtung zur Überwachung einer optischen Verbindung und optischer Sender mit einer solchen Vorrichtung |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3201375A1 (de) * | 1982-01-19 | 1983-07-28 | Siemens AG, 1000 Berlin und 8000 München | Traegerfrequenzsystem fuer vierdrahtbetrieb |
GB2138234B (en) * | 1983-04-14 | 1986-10-08 | Standard Telephones Cables Ltd | Coherent reflectometer |
DE4018379A1 (de) * | 1990-06-08 | 1991-12-12 | Rainer Dr Casdorff | Verfahren und anordnung zur ermittlung der tatsaechlichen optischen weglaenge von licht in einem lichtleiter |
-
1992
- 1992-03-09 NL NL9200436A patent/NL9200436A/nl not_active Application Discontinuation
-
1993
- 1993-03-01 ES ES93200565T patent/ES2108204T3/es not_active Expired - Lifetime
- 1993-03-01 EP EP93200565A patent/EP0560426B1/de not_active Expired - Lifetime
- 1993-03-01 AT AT93200565T patent/ATE156637T1/de not_active IP Right Cessation
- 1993-03-01 DE DE69312768T patent/DE69312768T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP0560426A1 (de) | 1993-09-15 |
EP0560426B1 (de) | 1997-08-06 |
ES2108204T3 (es) | 1997-12-16 |
DE69312768T2 (de) | 1998-01-08 |
ATE156637T1 (de) | 1997-08-15 |
NL9200436A (nl) | 1993-10-01 |
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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 |