JPS5219005A - Optical fiber communication system - Google Patents

Optical fiber communication system

Info

Publication number
JPS5219005A
JPS5219005A JP9508275A JP9508275A JPS5219005A JP S5219005 A JPS5219005 A JP S5219005A JP 9508275 A JP9508275 A JP 9508275A JP 9508275 A JP9508275 A JP 9508275A JP S5219005 A JPS5219005 A JP S5219005A
Authority
JP
Japan
Prior art keywords
optical fiber
communication system
fiber communication
send
detection
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
JP9508275A
Other languages
Japanese (ja)
Other versions
JPS5811563B2 (en
Inventor
Yukihiro Takeda
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.)
DENRIYOKU CHIYUUOU KENKIYUUJIYO
Central Research Institute of Electric Power Industry
Original Assignee
DENRIYOKU CHIYUUOU KENKIYUUJIYO
Central Research Institute of Electric Power Industry
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 DENRIYOKU CHIYUUOU KENKIYUUJIYO, Central Research Institute of Electric Power Industry filed Critical DENRIYOKU CHIYUUOU KENKIYUUJIYO
Priority to JP50095082A priority Critical patent/JPS5811563B2/en
Publication of JPS5219005A publication Critical patent/JPS5219005A/en
Publication of JPS5811563B2 publication Critical patent/JPS5811563B2/en
Expired 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
  • Locating Faults (AREA)
  • Testing Of Optical Devices Or Fibers (AREA)

Abstract

PURPOSE:Make permanent monitoring of optical transmission line quality and detection of trouble spots possible by using part of send and receive circuits.
JP50095082A 1975-08-06 1975-08-06 Hikari Eye Bar Tsuushin Houshiki Expired JPS5811563B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50095082A JPS5811563B2 (en) 1975-08-06 1975-08-06 Hikari Eye Bar Tsuushin Houshiki

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50095082A JPS5811563B2 (en) 1975-08-06 1975-08-06 Hikari Eye Bar Tsuushin Houshiki

Publications (2)

Publication Number Publication Date
JPS5219005A true JPS5219005A (en) 1977-01-14
JPS5811563B2 JPS5811563B2 (en) 1983-03-03

Family

ID=14128014

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50095082A Expired JPS5811563B2 (en) 1975-08-06 1975-08-06 Hikari Eye Bar Tsuushin Houshiki

Country Status (1)

Country Link
JP (1) JPS5811563B2 (en)

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596434A (en) * 1979-01-19 1980-07-22 Kansai Electric Power Co Inc:The Fault locating system for optical fiber
FR2514218A1 (en) * 1981-10-02 1983-04-08 Merlin Gerin FIBER OPTICAL TELETRANSMISSION SYSTEM
JPS59127437A (en) * 1983-01-12 1984-07-23 Canon Inc Optical communication system
JPS6054553A (en) * 1983-09-06 1985-03-29 Tohoku Electric Power Co Inc Data transmitting device
US4850045A (en) * 1987-11-02 1989-07-18 Amp Incorporated Method and apparatus for testing fiber optic hubs
JPH01114704U (en) * 1988-01-27 1989-08-02
JPH02264527A (en) * 1989-04-04 1990-10-29 Nec Corp Two-way communication system using single stripe optical fiber
US5027434A (en) * 1987-10-24 1991-06-25 Ke Kommunikations-Elektronik Gmbh & Co. Apparatus for bidirectional transmission of optical signals
US5086470A (en) * 1987-11-27 1992-02-04 British Telecommunications Public Limited Company Scrambling in digital communications network using a scrambled synchronization signal
WO2004010612A1 (en) * 2002-07-23 2004-01-29 Fujitsu Limited Optical transmission method and system

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5596434A (en) * 1979-01-19 1980-07-22 Kansai Electric Power Co Inc:The Fault locating system for optical fiber
FR2514218A1 (en) * 1981-10-02 1983-04-08 Merlin Gerin FIBER OPTICAL TELETRANSMISSION SYSTEM
JPS59127437A (en) * 1983-01-12 1984-07-23 Canon Inc Optical communication system
JPS6054553A (en) * 1983-09-06 1985-03-29 Tohoku Electric Power Co Inc Data transmitting device
JPH0578221B2 (en) * 1983-09-06 1993-10-28 Tohoku Electric Power Co
US5027434A (en) * 1987-10-24 1991-06-25 Ke Kommunikations-Elektronik Gmbh & Co. Apparatus for bidirectional transmission of optical signals
US4850045A (en) * 1987-11-02 1989-07-18 Amp Incorporated Method and apparatus for testing fiber optic hubs
US5086470A (en) * 1987-11-27 1992-02-04 British Telecommunications Public Limited Company Scrambling in digital communications network using a scrambled synchronization signal
JPH01114704U (en) * 1988-01-27 1989-08-02
JPH02264527A (en) * 1989-04-04 1990-10-29 Nec Corp Two-way communication system using single stripe optical fiber
WO2004010612A1 (en) * 2002-07-23 2004-01-29 Fujitsu Limited Optical transmission method and system

Also Published As

Publication number Publication date
JPS5811563B2 (en) 1983-03-03

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