JPH025948U - - Google Patents

Info

Publication number
JPH025948U
JPH025948U JP1988083950U JP8395088U JPH025948U JP H025948 U JPH025948 U JP H025948U JP 1988083950 U JP1988083950 U JP 1988083950U JP 8395088 U JP8395088 U JP 8395088U JP H025948 U JPH025948 U JP H025948U
Authority
JP
Japan
Prior art keywords
optical
signal light
amplification method
parallel
communication 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.)
Pending
Application number
JP1988083950U
Other languages
English (en)
Japanese (ja)
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 filed Critical
Priority to JP1988083950U priority Critical patent/JPH025948U/ja
Publication of JPH025948U publication Critical patent/JPH025948U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Communication System (AREA)
JP1988083950U 1988-06-27 1988-06-27 Pending JPH025948U (he)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988083950U JPH025948U (he) 1988-06-27 1988-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988083950U JPH025948U (he) 1988-06-27 1988-06-27

Publications (1)

Publication Number Publication Date
JPH025948U true JPH025948U (he) 1990-01-16

Family

ID=31308654

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988083950U Pending JPH025948U (he) 1988-06-27 1988-06-27

Country Status (1)

Country Link
JP (1) JPH025948U (he)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11298409A (ja) * 1998-04-08 1999-10-29 Nippon Telegr & Teleph Corp <Ntt> 光増幅器制御回路

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344891U (he) * 1972-06-05 1978-04-17
JPS58200641A (ja) * 1982-05-18 1983-11-22 Toshiba Corp ステ−シヨン２重化方式
JPS62248325A (ja) * 1986-04-21 1987-10-29 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ無瞬断切替装置および方法

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5344891U (he) * 1972-06-05 1978-04-17
JPS58200641A (ja) * 1982-05-18 1983-11-22 Toshiba Corp ステ−シヨン２重化方式
JPS62248325A (ja) * 1986-04-21 1987-10-29 Nippon Telegr & Teleph Corp <Ntt> 光フアイバ無瞬断切替装置および方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH11298409A (ja) * 1998-04-08 1999-10-29 Nippon Telegr & Teleph Corp <Ntt> 光増幅器制御回路

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