DE69800438T2 - Lokalisierung von Fehlern in faseroptischen Systemen - Google Patents

Lokalisierung von Fehlern in faseroptischen Systemen

Info

Publication number
DE69800438T2
DE69800438T2 DE69800438T DE69800438T DE69800438T2 DE 69800438 T2 DE69800438 T2 DE 69800438T2 DE 69800438 T DE69800438 T DE 69800438T DE 69800438 T DE69800438 T DE 69800438T DE 69800438 T2 DE69800438 T2 DE 69800438T2
Authority
DE
Germany
Prior art keywords
localization
errors
fiber optic
optic systems
systems
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
Application number
DE69800438T
Other languages
English (en)
Other versions
DE69800438D1 (de
Inventor
Josef Beller
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.)
Agilent Technologies Inc
Original Assignee
Hewlett Packard Co
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 Hewlett Packard Co filed Critical Hewlett Packard Co
Application granted granted Critical
Publication of DE69800438D1 publication Critical patent/DE69800438D1/de
Publication of DE69800438T2 publication Critical patent/DE69800438T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • G01M11/3109—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
    • 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
    • G01M11/3127—Reflectometers detecting the back-scattered light in the time-domain, e.g. OTDR using multiple or wavelength variable input source

Landscapes

  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
DE69800438T 1998-02-16 1998-09-18 Lokalisierung von Fehlern in faseroptischen Systemen Expired - Fee Related DE69800438T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP98102603 1998-02-16

Publications (2)

Publication Number Publication Date
DE69800438D1 DE69800438D1 (de) 2001-01-25
DE69800438T2 true DE69800438T2 (de) 2001-04-26

Family

ID=8231418

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69800438T Expired - Fee Related DE69800438T2 (de) 1998-02-16 1998-09-18 Lokalisierung von Fehlern in faseroptischen Systemen

Country Status (2)

Country Link
US (1) US6388741B1 (de)
DE (1) DE69800438T2 (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10140852C5 (de) * 2001-08-21 2016-11-17 Robert Bosch Gmbh Elektronisches System mit einem Lichtwellenleiter-Netzwerk und Verfahren zum Selbsttest sowie dazugehöriges Computerprogramm

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9908176A (pt) * 1998-02-23 2000-11-07 Sumitomo Electric Industries Sistema de monitoramento de linha de ramal e método de monitoramento de linha de ramal
JP2001223642A (ja) * 2000-02-09 2001-08-17 Sumitomo Electric Ind Ltd 光通信装置
US6710862B1 (en) * 2001-08-31 2004-03-23 Nettest (New York) Inc. Method of determining the location of splices and of calculating power loss at splices in optic fibers in a cable
GB0126166D0 (en) * 2001-10-31 2002-01-02 Cit Alcatel Apparatus and method for monitoring an optical transmission line
US8750702B1 (en) * 2002-06-21 2014-06-10 Rockstar Consortium Us Lp Passive optical loopback
US7373069B2 (en) 2005-07-15 2008-05-13 Daniel Otoniel Lazo Fiber optic tester
US7481847B2 (en) * 2006-03-28 2009-01-27 L'oreal S.A. Dye composition comprising at least one cationic hydrazone direct dye, dyeing process, and multi-compartment devices
US7872737B2 (en) * 2007-07-27 2011-01-18 Tyco Electronics Subsea Communications Llc System and method for optical time domain reflectometry using multi-resolution code sequences
US8208134B1 (en) 2009-09-17 2012-06-26 Erkan Gunal Rapid visual fiber optic cable tester
JP6024391B2 (ja) * 2012-10-31 2016-11-16 富士通株式会社 伝送装置、伝送システム、及び障害検出方法
US9923630B2 (en) 2016-04-20 2018-03-20 Lockheed Martin Corporation Analyzing optical networks
CN110226297B (zh) * 2017-02-01 2022-07-12 英国电讯有限公司 对光网络中的事件进行定位的方法、介质和光网络
CN111051843B (zh) 2017-07-20 2022-03-18 英国电讯有限公司 光纤
EP3460441B1 (de) * 2017-09-20 2020-07-29 Nokia Solutions and Networks Oy System zur überwachung eines optischen kanals und zugehöriges optisches abtastsystem und optisches abtastverfahren
US11536921B2 (en) * 2020-02-11 2022-12-27 Corning Research & Development Corporation Fiber optic terminals having one or more loopback assemblies

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3411436B2 (ja) * 1996-01-12 2003-06-03 Ｋｄｄｉ株式会社 光通信線路の監視方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10140852C5 (de) * 2001-08-21 2016-11-17 Robert Bosch Gmbh Elektronisches System mit einem Lichtwellenleiter-Netzwerk und Verfahren zum Selbsttest sowie dazugehöriges Computerprogramm

Also Published As

Publication number Publication date
DE69800438D1 (de) 2001-01-25
US6388741B1 (en) 2002-05-14

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC., PALO ALTO, CALIF., US

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D.STAATES DELA

8327 Change in the person/name/address of the patent owner

Owner name: AGILENT TECHNOLOGIES, INC. (N.D.GES.D. STAATES, US

8339 Ceased/non-payment of the annual fee