JPS5783899A - Optical fiber transmission line defect searching system - Google Patents

Optical fiber transmission line defect searching system

Info

Publication number
JPS5783899A
JPS5783899A JP16000380A JP16000380A JPS5783899A JP S5783899 A JPS5783899 A JP S5783899A JP 16000380 A JP16000380 A JP 16000380A JP 16000380 A JP16000380 A JP 16000380A JP S5783899 A JPS5783899 A JP S5783899A
Authority
JP
Japan
Prior art keywords
optical fiber
transmission line
fiber transmission
line defect
searching system
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.)
Granted
Application number
JP16000380A
Other languages
Japanese (ja)
Other versions
JPS6352826B2 (en
Inventor
Yoshio Nomura
Norio Yoshikubo
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.)
Fujitsu Ltd
Nippon Telegraph and Telephone Corp
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd, Nippon Telegraph and Telephone Corp filed Critical Fujitsu Ltd
Priority to JP16000380A priority Critical patent/JPS5783899A/en
Publication of JPS5783899A publication Critical patent/JPS5783899A/en
Publication of JPS6352826B2 publication Critical patent/JPS6352826B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Arrangements For Transmission Of Measured Signals (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP16000380A 1980-11-13 1980-11-13 Optical fiber transmission line defect searching system Granted JPS5783899A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP16000380A JPS5783899A (en) 1980-11-13 1980-11-13 Optical fiber transmission line defect searching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP16000380A JPS5783899A (en) 1980-11-13 1980-11-13 Optical fiber transmission line defect searching system

Publications (2)

Publication Number Publication Date
JPS5783899A true JPS5783899A (en) 1982-05-25
JPS6352826B2 JPS6352826B2 (en) 1988-10-20

Family

ID=15705868

Family Applications (1)

Application Number Title Priority Date Filing Date
JP16000380A Granted JPS5783899A (en) 1980-11-13 1980-11-13 Optical fiber transmission line defect searching system

Country Status (1)

Country Link
JP (1) JPS5783899A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02253747A (en) * 1989-03-28 1990-10-12 Nec Corp Monitoring system for optical submarine cable system
JPH0423625A (en) * 1990-05-18 1992-01-28 Nec Corp Optical repeater
US7167652B2 (en) 1992-04-08 2007-01-23 Hitachi, Ltd Optical transmission system constructing method and system

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5765930A (en) * 1980-10-13 1982-04-21 Nippon Telegr & Teleph Corp <Ntt> Searching method for fault of optical fiber transmission system

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5765930A (en) * 1980-10-13 1982-04-21 Nippon Telegr & Teleph Corp <Ntt> Searching method for fault of optical fiber transmission system

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02253747A (en) * 1989-03-28 1990-10-12 Nec Corp Monitoring system for optical submarine cable system
JPH0423625A (en) * 1990-05-18 1992-01-28 Nec Corp Optical repeater
US7167652B2 (en) 1992-04-08 2007-01-23 Hitachi, Ltd Optical transmission system constructing method and system
US7292785B2 (en) 1992-04-08 2007-11-06 Hitachi, Ltd. Optical transmission system constructing method and system

Also Published As

Publication number Publication date
JPS6352826B2 (en) 1988-10-20

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