JPH04214B2 - - Google Patents

Info

Publication number
JPH04214B2
JPH04214B2 JP58071089A JP7108983A JPH04214B2 JP H04214 B2 JPH04214 B2 JP H04214B2 JP 58071089 A JP58071089 A JP 58071089A JP 7108983 A JP7108983 A JP 7108983A JP H04214 B2 JPH04214 B2 JP H04214B2
Authority
JP
Japan
Prior art keywords
light
transmission line
optical transmission
wavelength
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 - Lifetime
Application number
JP58071089A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59196438A (ja
Inventor
Kenji Okada
Junichiro Minowa
Kenichi Sato
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP58071089A priority Critical patent/JPS59196438A/ja
Priority to PCT/JP1983/000136 priority patent/WO1983004150A1/ja
Priority to DE8383901394T priority patent/DE3380681D1/de
Priority to EP19830901394 priority patent/EP0117868B1/en
Priority to CA000432429A priority patent/CA1238705A/en
Publication of JPS59196438A publication Critical patent/JPS59196438A/ja
Publication of JPH04214B2 publication Critical patent/JPH04214B2/ja
Granted legal-status Critical Current

Links

Classifications

    • 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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Filters (AREA)
JP58071089A 1982-05-06 1983-04-22 光伝送路の障害探索方法 Granted JPS59196438A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP58071089A JPS59196438A (ja) 1983-04-22 1983-04-22 光伝送路の障害探索方法
PCT/JP1983/000136 WO1983004150A1 (fr) 1982-05-06 1983-05-04 Procede et dispositif de detection de points defaillants dans une ligne de transmission de lumiere
DE8383901394T DE3380681D1 (en) 1982-05-06 1983-05-04 Method and device for separating position of fault in light transmission line
EP19830901394 EP0117868B1 (en) 1982-05-06 1983-05-04 Method and device for separating position of fault in light transmission line
CA000432429A CA1238705A (en) 1982-05-06 1983-07-14 Method of fault location on optical transmission line and device therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58071089A JPS59196438A (ja) 1983-04-22 1983-04-22 光伝送路の障害探索方法

Publications (2)

Publication Number Publication Date
JPS59196438A JPS59196438A (ja) 1984-11-07
JPH04214B2 true JPH04214B2 (enExample) 1992-01-06

Family

ID=13450453

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58071089A Granted JPS59196438A (ja) 1982-05-06 1983-04-22 光伝送路の障害探索方法

Country Status (1)

Country Link
JP (1) JPS59196438A (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA2031870C (en) * 1989-12-11 1995-08-08 Nobuo Tomita Device and a method for distinguishing faults employed in an optical transmission system
FR2896644A1 (fr) * 2006-06-15 2007-07-27 France Telecom Dispositif de surveillance d'un reseau optique par echometrie
WO2016057339A1 (en) * 2014-10-06 2016-04-14 Go!Foton Holdings, Inc. Apparatus and method for optical time-domain reflectometry

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS53130053A (en) * 1977-04-20 1978-11-13 Sumitomo Electric Ind Ltd Circuit supervisory system of optical fiber cable

Also Published As

Publication number Publication date
JPS59196438A (ja) 1984-11-07

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