JPS54134503A - Light transmission line repeater monitoring system - Google Patents

Light transmission line repeater monitoring system

Info

Publication number
JPS54134503A
JPS54134503A JP4178278A JP4178278A JPS54134503A JP S54134503 A JPS54134503 A JP S54134503A JP 4178278 A JP4178278 A JP 4178278A JP 4178278 A JP4178278 A JP 4178278A JP S54134503 A JPS54134503 A JP S54134503A
Authority
JP
Japan
Prior art keywords
transmission line
monitoring system
light transmission
line repeater
repeater monitoring
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.)
Pending
Application number
JP4178278A
Other languages
Japanese (ja)
Inventor
Masanori Satou
Yasuhiko Niino
Hiroharu Wakabayashi
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.)
KDDI Corp
Original Assignee
Kokusai Denshin Denwa KK
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 Kokusai Denshin Denwa KK filed Critical Kokusai Denshin Denwa KK
Priority to JP4178278A priority Critical patent/JPS54134503A/en
Priority to US06/028,312 priority patent/US4278850A/en
Priority to GB7912658A priority patent/GB2019167B/en
Publication of JPS54134503A publication Critical patent/JPS54134503A/en
Pending legal-status Critical Current

Links

JP4178278A 1978-04-11 1978-04-11 Light transmission line repeater monitoring system Pending JPS54134503A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
JP4178278A JPS54134503A (en) 1978-04-11 1978-04-11 Light transmission line repeater monitoring system
US06/028,312 US4278850A (en) 1978-04-11 1979-04-09 Monitoring system for optical transmission line repeaters
GB7912658A GB2019167B (en) 1978-04-11 1979-04-10 Monitoring system for optical transmission line repeaters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4178278A JPS54134503A (en) 1978-04-11 1978-04-11 Light transmission line repeater monitoring system

Publications (1)

Publication Number Publication Date
JPS54134503A true JPS54134503A (en) 1979-10-19

Family

ID=12617926

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4178278A Pending JPS54134503A (en) 1978-04-11 1978-04-11 Light transmission line repeater monitoring system

Country Status (1)

Country Link
JP (1) JPS54134503A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62245827A (en) * 1986-04-18 1987-10-27 Fujitsu Ltd Supervisory system for optical communication system fault

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120903A (en) * 1974-03-11 1975-09-22
JPS5199904A (en) * 1975-02-28 1976-09-03 Fujitsu Ltd

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS50120903A (en) * 1974-03-11 1975-09-22
JPS5199904A (en) * 1975-02-28 1976-09-03 Fujitsu Ltd

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62245827A (en) * 1986-04-18 1987-10-27 Fujitsu Ltd Supervisory system for optical communication system fault

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