JPH025949U - - Google Patents

Info

Publication number
JPH025949U
JPH025949U JP1988083951U JP8395188U JPH025949U JP H025949 U JPH025949 U JP H025949U JP 1988083951 U JP1988083951 U JP 1988083951U JP 8395188 U JP8395188 U JP 8395188U JP H025949 U JPH025949 U JP H025949U
Authority
JP
Japan
Prior art keywords
optical
amplifier
light
working
optical amplifier
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
JP1988083951U
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 JP1988083951U priority Critical patent/JPH025949U/ja
Publication of JPH025949U publication Critical patent/JPH025949U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Optical Communication System (AREA)
JP1988083951U 1988-06-27 1988-06-27 Pending JPH025949U (enrdf_load_html_response)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1988083951U JPH025949U (enrdf_load_html_response) 1988-06-27 1988-06-27

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1988083951U JPH025949U (enrdf_load_html_response) 1988-06-27 1988-06-27

Publications (1)

Publication Number Publication Date
JPH025949U true JPH025949U (enrdf_load_html_response) 1990-01-16

Family

ID=31308655

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1988083951U Pending JPH025949U (enrdf_load_html_response) 1988-06-27 1988-06-27

Country Status (1)

Country Link
JP (1) JPH025949U (enrdf_load_html_response)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017022519A (ja) * 2015-07-09 2017-01-26 ミハル通信株式会社 光信号切替装置およびセンタ装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5433602A (en) * 1977-08-22 1979-03-12 Hitachi Ltd Photo transmission system
JPS58200641A (ja) * 1982-05-18 1983-11-22 Toshiba Corp ステ−シヨン２重化方式
JPS59181836A (ja) * 1983-03-31 1984-10-16 Nec Corp 光中継装置
JPS6288447A (ja) * 1985-10-14 1987-04-22 Nec Corp 光中継装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5433602A (en) * 1977-08-22 1979-03-12 Hitachi Ltd Photo transmission system
JPS58200641A (ja) * 1982-05-18 1983-11-22 Toshiba Corp ステ−シヨン２重化方式
JPS59181836A (ja) * 1983-03-31 1984-10-16 Nec Corp 光中継装置
JPS6288447A (ja) * 1985-10-14 1987-04-22 Nec Corp 光中継装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2017022519A (ja) * 2015-07-09 2017-01-26 ミハル通信株式会社 光信号切替装置およびセンタ装置

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