JPS6130782B2 - - Google Patents

Info

Publication number
JPS6130782B2
JPS6130782B2 JP14282980A JP14282980A JPS6130782B2 JP S6130782 B2 JPS6130782 B2 JP S6130782B2 JP 14282980 A JP14282980 A JP 14282980A JP 14282980 A JP14282980 A JP 14282980A JP S6130782 B2 JPS6130782 B2 JP S6130782B2
Authority
JP
Japan
Prior art keywords
optical
light
fault
optical fiber
demultiplexer
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
Application number
JP14282980A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5765930A (en
Inventor
Hidetoshi Oota
Yoshio Nomura
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.)
Nippon Telegraph and Telephone Corp
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 JP14282980A priority Critical patent/JPS5765930A/ja
Publication of JPS5765930A publication Critical patent/JPS5765930A/ja
Publication of JPS6130782B2 publication Critical patent/JPS6130782B2/ja
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B17/00—Monitoring; Testing
    • H04B17/40—Monitoring; Testing of relay systems

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP14282980A 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system Granted JPS5765930A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP14282980A JPS5765930A (en) 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP14282980A JPS5765930A (en) 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system

Publications (2)

Publication Number Publication Date
JPS5765930A JPS5765930A (en) 1982-04-21
JPS6130782B2 true JPS6130782B2 (enrdf_load_stackoverflow) 1986-07-16

Family

ID=15324578

Family Applications (1)

Application Number Title Priority Date Filing Date
JP14282980A Granted JPS5765930A (en) 1980-10-13 1980-10-13 Searching method for fault of optical fiber transmission system

Country Status (1)

Country Link
JP (1) JPS5765930A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5783899A (en) * 1980-11-13 1982-05-25 Nippon Telegraph & Telephone Optical fiber transmission line defect searching system
EP0117868B1 (en) * 1982-05-06 1989-10-04 Nippon Telegraph and Telephone Corporation Method and device for separating position of fault in light transmission line
JPS60112636A (ja) * 1983-11-24 1985-06-19 Nippon Telegr & Teleph Corp <Ntt> ガラス微粒子合成用バ−ナ

Also Published As

Publication number Publication date
JPS5765930A (en) 1982-04-21

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