JPH0148705B2 - - Google Patents

Info

Publication number
JPH0148705B2
JPH0148705B2 JP57050024A JP5002482A JPH0148705B2 JP H0148705 B2 JPH0148705 B2 JP H0148705B2 JP 57050024 A JP57050024 A JP 57050024A JP 5002482 A JP5002482 A JP 5002482A JP H0148705 B2 JPH0148705 B2 JP H0148705B2
Authority
JP
Japan
Prior art keywords
light source
circuit
optical
repeater
transmission line
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
JP57050024A
Other languages
English (en)
Japanese (ja)
Other versions
JPS58168342A (ja
Inventor
Norio Seki
Haruo Sakaguchi
Shu Yamamoto
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 JP57050024A priority Critical patent/JPS58168342A/ja
Publication of JPS58168342A publication Critical patent/JPS58168342A/ja
Publication of JPH0148705B2 publication Critical patent/JPH0148705B2/ja
Granted 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

Landscapes

  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Optical Communication System (AREA)
JP57050024A 1982-03-30 1982-03-30 光中継器の光源冗長方式 Granted JPS58168342A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP57050024A JPS58168342A (ja) 1982-03-30 1982-03-30 光中継器の光源冗長方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP57050024A JPS58168342A (ja) 1982-03-30 1982-03-30 光中継器の光源冗長方式

Publications (2)

Publication Number Publication Date
JPS58168342A JPS58168342A (ja) 1983-10-04
JPH0148705B2 true JPH0148705B2 (enrdf_load_stackoverflow) 1989-10-20

Family

ID=12847424

Family Applications (1)

Application Number Title Priority Date Filing Date
JP57050024A Granted JPS58168342A (ja) 1982-03-30 1982-03-30 光中継器の光源冗長方式

Country Status (1)

Country Link
JP (1) JPS58168342A (enrdf_load_stackoverflow)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4581770A (en) * 1983-12-19 1986-04-08 Rca Corporation Fail safe repeater for fiber optic bus distribution system
GB2165412B (en) * 1984-10-05 1988-08-10 Stc Plc Improvements in optical transmission systems
FR2640101B1 (fr) * 1988-12-06 1991-01-11 Cit Alcatel Dispositif de raccordement des lignes optiques a un central de telecommunication a large bande
FR2712757B1 (fr) * 1993-11-18 1995-12-29 Cit Alcatel Sélecteur optique et liaison optique comportant ce sélecteur.
US20050191052A1 (en) * 2004-02-26 2005-09-01 Karl Schrodinger Optical emission module

Also Published As

Publication number Publication date
JPS58168342A (ja) 1983-10-04

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