JPS5276802A - Transmission line for light fiber repeating - Google Patents

Transmission line for light fiber repeating

Info

Publication number
JPS5276802A
JPS5276802A JP50153155A JP15315575A JPS5276802A JP S5276802 A JPS5276802 A JP S5276802A JP 50153155 A JP50153155 A JP 50153155A JP 15315575 A JP15315575 A JP 15315575A JP S5276802 A JPS5276802 A JP S5276802A
Authority
JP
Japan
Prior art keywords
transmission line
light fiber
repeating
fiber repeating
light
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
JP50153155A
Other languages
Japanese (ja)
Inventor
Seiji Nakagawa
Tetsuya Miki
Masaki Koyama
Sadaaki Shimada
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.)
NTT Inc
Original Assignee
Nippon Telegraph and Telephone Corp
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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP50153155A priority Critical patent/JPS5276802A/en
Publication of JPS5276802A publication Critical patent/JPS5276802A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/74—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for increasing reliability, e.g. using redundant or spare channels or apparatus

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Light Guides In General And Applications Therefor (AREA)
  • Optical Communication System (AREA)

Abstract

PURPOSE:To improve the realibility in case of a disconnection of one of cables by having the same or the different cable system between two manholes for common use.
JP50153155A 1975-12-22 1975-12-22 Transmission line for light fiber repeating Pending JPS5276802A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50153155A JPS5276802A (en) 1975-12-22 1975-12-22 Transmission line for light fiber repeating

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50153155A JPS5276802A (en) 1975-12-22 1975-12-22 Transmission line for light fiber repeating

Publications (1)

Publication Number Publication Date
JPS5276802A true JPS5276802A (en) 1977-06-28

Family

ID=15556217

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50153155A Pending JPS5276802A (en) 1975-12-22 1975-12-22 Transmission line for light fiber repeating

Country Status (1)

Country Link
JP (1) JPS5276802A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406513A (en) * 1981-03-11 1983-09-27 Cermetek, Inc. Optical repeater system having an automatic optical by-pass

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4859717A (en) * 1971-11-24 1973-08-22

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4859717A (en) * 1971-11-24 1973-08-22

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4406513A (en) * 1981-03-11 1983-09-27 Cermetek, Inc. Optical repeater system having an automatic optical by-pass

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