JPH0381094B2 - - Google Patents

Info

Publication number
JPH0381094B2
JPH0381094B2 JP57075619A JP7561982A JPH0381094B2 JP H0381094 B2 JPH0381094 B2 JP H0381094B2 JP 57075619 A JP57075619 A JP 57075619A JP 7561982 A JP7561982 A JP 7561982A JP H0381094 B2 JPH0381094 B2 JP H0381094B2
Authority
JP
Japan
Prior art keywords
light
optical transmission
transmission line
reflection
filter
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
JP57075619A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58191948A (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 JP57075619A priority Critical patent/JPS58191948A/ja
Priority to DE8383901394T priority patent/DE3380681D1/de
Priority to EP19830901394 priority patent/EP0117868B1/fr
Priority to PCT/JP1983/000136 priority patent/WO1983004150A1/fr
Priority to CA000432429A priority patent/CA1238705A/fr
Publication of JPS58191948A publication Critical patent/JPS58191948A/ja
Publication of JPH0381094B2 publication Critical patent/JPH0381094B2/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)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • General Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
JP57075619A 1982-05-06 1982-05-06 光伝送路の障害探索方式 Granted JPS58191948A (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP57075619A JPS58191948A (ja) 1982-05-06 1982-05-06 光伝送路の障害探索方式
DE8383901394T DE3380681D1 (en) 1982-05-06 1983-05-04 Method and device for separating position of fault in light transmission line
EP19830901394 EP0117868B1 (fr) 1982-05-06 1983-05-04 Procede et dispositif de detection de points defaillants dans une ligne de transmission de lumiere
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
CA000432429A CA1238705A (fr) 1982-05-06 1983-07-14 Methode et dispositif de localisation des defaillances dans une ligne de transmission optique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57075619A JPS58191948A (ja) 1982-05-06 1982-05-06 光伝送路の障害探索方式

Publications (2)

Publication Number Publication Date
JPS58191948A JPS58191948A (ja) 1983-11-09
JPH0381094B2 true JPH0381094B2 (fr) 1991-12-27

Family

ID=13581401

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57075619A Granted JPS58191948A (ja) 1982-05-06 1982-05-06 光伝送路の障害探索方式

Country Status (1)

Country Link
JP (1) JPS58191948A (fr)

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
JPS58191948A (ja) 1983-11-09

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