JPS5375705A - Transmission system for optical signal - Google Patents

Transmission system for optical signal

Info

Publication number
JPS5375705A
JPS5375705A JP15135876A JP15135876A JPS5375705A JP S5375705 A JPS5375705 A JP S5375705A JP 15135876 A JP15135876 A JP 15135876A JP 15135876 A JP15135876 A JP 15135876A JP S5375705 A JPS5375705 A JP S5375705A
Authority
JP
Japan
Prior art keywords
optical signal
transmission system
deciding
majority
reception
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
JP15135876A
Other languages
Japanese (ja)
Inventor
Masao Kawashima
Akira Miyata
Masanori Honda
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
Original Assignee
Fujitsu Ltd
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 filed Critical Fujitsu Ltd
Priority to JP15135876A priority Critical patent/JPS5375705A/en
Publication of JPS5375705A publication Critical patent/JPS5375705A/en
Pending 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
    • H04B10/03—Arrangements for fault recovery
    • H04B10/032—Arrangements for fault recovery using working and protection systems

Abstract

PURPOSE:To enable the reception of high accuracy and to reduce the system cost, by deciding the output of a plural number of optical fibers with a majority.
JP15135876A 1976-12-16 1976-12-16 Transmission system for optical signal Pending JPS5375705A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15135876A JPS5375705A (en) 1976-12-16 1976-12-16 Transmission system for optical signal

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15135876A JPS5375705A (en) 1976-12-16 1976-12-16 Transmission system for optical signal

Publications (1)

Publication Number Publication Date
JPS5375705A true JPS5375705A (en) 1978-07-05

Family

ID=15516788

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15135876A Pending JPS5375705A (en) 1976-12-16 1976-12-16 Transmission system for optical signal

Country Status (1)

Country Link
JP (1) JPS5375705A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528613A (en) * 1978-08-21 1980-02-29 Fujitsu Ltd Monitor system for optical transmission line
JPS5854756A (en) * 1981-09-28 1983-03-31 Hitachi Ltd Method and apparatus for signal diagnosis of multiplex transmission system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5528613A (en) * 1978-08-21 1980-02-29 Fujitsu Ltd Monitor system for optical transmission line
JPS5854756A (en) * 1981-09-28 1983-03-31 Hitachi Ltd Method and apparatus for signal diagnosis of multiplex transmission system
JPH0454411B2 (en) * 1981-09-28 1992-08-31 Hitachi Ltd

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