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ES2108204T3 - Procedimiento con dispositivo para la deteccion de reflexiones. - Google Patents

Procedimiento con dispositivo para la deteccion de reflexiones.

Info

Publication number
ES2108204T3
ES2108204T3 ES93200565T ES93200565T ES2108204T3 ES 2108204 T3 ES2108204 T3 ES 2108204T3 ES 93200565 T ES93200565 T ES 93200565T ES 93200565 T ES93200565 T ES 93200565T ES 2108204 T3 ES2108204 T3 ES 2108204T3
Authority
ES
Spain
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 - Lifetime
Application number
ES93200565T
Other languages
English (en)
Inventor
Jeroen Waltherus Verhoof
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Koninklijke PTT Nederland NV
Original Assignee
Koninklijke PTT Nederland NV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Koninklijke PTT Nederland NV filed Critical Koninklijke PTT Nederland NV
Application granted granted Critical
Publication of ES2108204T3 publication Critical patent/ES2108204T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Optical Communication System (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)

Abstract

METODO PARA DETERMINAR EL LUGAR DONDE SE ENCUENTRA UN FALLO EN UNA RED OPTICA LOCAL. EN EL CASO DE QUE SE PRODUZCA UN FALLO EN LA FIBRA, SE ALIMENTA UNA SEÑAL DE MEDIDA A LA RED, SE ANALIZA LA REACCION DE LA RED A DICHA SEÑAL DE MEDIDA Y SE CONVIERTE EN UNA INDICACION DEL LUGAR DONDE SE ENCUENTRA DICHO FALLO EN FIBRA. LA SEÑAL DE MEDIDA MODULA TAMBIEN LA SEÑAL DE SALIDA DE LA FUENTE OPTICA LUMINOSA, ADEMAS DE LA SEÑAL NORMAL. LA SEÑAL DE MEDIDA ES PREFERENTEMENTE UN SEÑAL DE OFDR, UNA SEÑAL QUE TIENE UNA FRECUENCIA QUE VARIA SEGUN UN PATRON DEFINIDO. LA SEÑAL REFLEJADA EN EL LUGAR DONDE SE ENCUENTRA EL FALLO DE LA FIBRA QUEDA CONVIERTA A UNA SEÑAL DE REFLEXION ELECTRICA. DICHA SEÑAL DE REFLEXION SE COMPARA CON LA SEÑAL DE MEDIDA ORIGINAL Y, POR MEDIO DE UN ANALISIS DE LA FRECUENCIA DE LAS DOS SEÑALES, SE CALCULA EL LUGAR DONDE SE ENCUENTRA EL FALLO DE LA FIBRA.
ES93200565T 1992-03-09 1993-03-01 Procedimiento con dispositivo para la deteccion de reflexiones. Expired - Lifetime ES2108204T3 (es)

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 (1)

Publication Number Publication Date
ES2108204T3 true ES2108204T3 (es) 1997-12-16

Family

ID=19860536

Family Applications (1)

Application Number Title Priority Date Filing Date
ES93200565T Expired - Lifetime ES2108204T3 (es) 1992-03-09 1993-03-01 Procedimiento con dispositivo para la deteccion de reflexiones.

Country Status (5)

Country Link
EP (1) EP0560426B1 (es)
AT (1) ATE156637T1 (es)
DE (1) DE69312768T2 (es)
ES (1) ES2108204T3 (es)
NL (1) NL9200436A (es)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
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 (en) * 2005-07-28 2007-01-31 Alcatel Method for recognizing the integrity of an optical access line
ATE381818T1 (de) 2005-08-12 2008-01-15 Alcatel Lucent Verfahren und vorrichtung zur überwachung einer optischen verbindung und optischer sender mit einer solchen vorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
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
DE9006490U1 (de) * 1990-06-08 1990-10-25 Casdorff, Rainer, Dr., 2000 Hamburg Anordnung zur Ermittlung der tatsächlichen optischen Weglänge von Licht in einem Lichtleiter

Also Published As

Publication number Publication date
EP0560426B1 (en) 1997-08-06
DE69312768D1 (de) 1997-09-11
DE69312768T2 (de) 1998-01-08
EP0560426A1 (en) 1993-09-15
ATE156637T1 (de) 1997-08-15
NL9200436A (nl) 1993-10-01

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