NL9200436A - Methode met inrichting voor het detecteren van reflecties. - Google Patents

Methode met inrichting voor het detecteren van reflecties. Download PDF

Info

Publication number: NL9200436A
Authority: NL; Netherlands
Prior art keywords: signal; optical; electrical; signals; modulator
Prior art date: 1992-03-09

Application number

NL9200436A

Other languages

English (en)

Dutch (nl)

Original Assignee

Nederland Ptt

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.)

1992-03-09

Filing date

1992-03-09

Publication date

1993-10-01

1992-03-09 Application filed by Nederland Ptt filed Critical Nederland Ptt

1992-03-09 Priority to NL9200436A priority Critical patent/NL9200436A/nl

1993-03-01 Priority to EP93200565A priority patent/EP0560426B1/en

1993-03-01 Priority to DE69312768T priority patent/DE69312768T2/de

1993-03-01 Priority to ES93200565T priority patent/ES2108204T3/es

1993-03-01 Priority to AT93200565T priority patent/ATE156637T1/de

1993-10-01 Publication of NL9200436A publication Critical patent/NL9200436A/nl

Links

238000000034 method Methods 0.000 title claims abstract description 14
230000003287 optical effect Effects 0.000 claims abstract description 30
239000000835 fiber Substances 0.000 claims abstract description 24
238000002168 optical frequency-domain reflectometry Methods 0.000 claims abstract description 10
238000005259 measurement Methods 0.000 claims description 18
239000013307 optical fiber Substances 0.000 claims description 3
230000005540 biological transmission Effects 0.000 description 6
238000000253 optical time-domain reflectometry Methods 0.000 description 6
238000012423 maintenance Methods 0.000 description 2
241000212384 Bifora Species 0.000 description 1
230000007257 malfunction Effects 0.000 description 1
238000012544 monitoring process Methods 0.000 description 1
230000008054 signal transmission Effects 0.000 description 1
238000001228 spectrum Methods 0.000 description 1

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)
Monitoring And Testing Of Transmission In General (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)

NL9200436A 1992-03-09 1992-03-09 Methode met inrichting voor het detecteren van reflecties. NL9200436A (nl)

Priority Applications (5)

Application Number	Priority Date	Filing Date	Title
NL9200436A NL9200436A (nl)	1992-03-09	1992-03-09	Methode met inrichting voor het detecteren van reflecties.
EP93200565A EP0560426B1 (en)	1992-03-09	1993-03-01	Method with device for detecting reflections
DE69312768T DE69312768T2 (de)	1992-03-09	1993-03-01	Verfahren mit Vorrichtung zur Detektion von Reflektionen
ES93200565T ES2108204T3 (es)	1992-03-09	1993-03-01	Procedimiento con dispositivo para la deteccion de reflexiones.
AT93200565T ATE156637T1 (de)	1992-03-09	1993-03-01	Verfahren mit vorrichtung zur detektion von reflektionen

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
NL9200436A NL9200436A (nl)	1992-03-09	1992-03-09	Methode met inrichting voor het detecteren van reflecties.
NL9200436		1992-03-09

Publications (1)

Publication Number	Publication Date
NL9200436A true NL9200436A (nl)	1993-10-01

Family

ID=19860536

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NL9200436A NL9200436A (nl)	1992-03-09	1992-03-09	Methode met inrichting voor het detecteren van reflecties.

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

1992
- 1992-03-09 NL NL9200436A patent/NL9200436A/nl not_active Application Discontinuation
1993
- 1993-03-01 DE DE69312768T patent/DE69312768T2/de not_active Expired - Fee Related
- 1993-03-01 AT AT93200565T patent/ATE156637T1/de not_active IP Right Cessation
- 1993-03-01 ES ES93200565T patent/ES2108204T3/es not_active Expired - Lifetime
- 1993-03-01 EP EP93200565A patent/EP0560426B1/en not_active Expired - Lifetime

Also Published As

Publication number	Publication date
ATE156637T1 (de)	1997-08-15
EP0560426B1 (en)	1997-08-06
DE69312768T2 (de)	1998-01-08
EP0560426A1 (en)	1993-09-15
DE69312768D1 (de)	1997-09-11
ES2108204T3 (es)	1997-12-16

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Legal Events

Date	Code	Title	Description
1993-10-01	A1B	A search report has been drawn up
1996-06-03	BV	The patent application has lapsed