JPS622492B2 - - Google Patents

Info

Publication number
JPS622492B2
JPS622492B2 JP2966681A JP2966681A JPS622492B2 JP S622492 B2 JPS622492 B2 JP S622492B2 JP 2966681 A JP2966681 A JP 2966681A JP 2966681 A JP2966681 A JP 2966681A JP S622492 B2 JPS622492 B2 JP S622492B2
Authority
JP
Japan
Prior art keywords
optical
disconnection
optical fiber
information transmission
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
JP2966681A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57143946A (en
Inventor
Kiwamu Matsushita
Kazuyoshi Ooshima
Katsuyoshi Ito
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric 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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Priority to JP2966681A priority Critical patent/JPS57143946A/ja
Publication of JPS57143946A publication Critical patent/JPS57143946A/ja
Publication of JPS622492B2 publication Critical patent/JPS622492B2/ja
Granted 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
    • H04B1/745—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 using by-passing or self-healing methods

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Optical Communication System (AREA)
JP2966681A 1981-02-27 1981-02-27 Optical fiber communication device Granted JPS57143946A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2966681A JPS57143946A (en) 1981-02-27 1981-02-27 Optical fiber communication device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2966681A JPS57143946A (en) 1981-02-27 1981-02-27 Optical fiber communication device

Publications (2)

Publication Number Publication Date
JPS57143946A JPS57143946A (en) 1982-09-06
JPS622492B2 true JPS622492B2 (he) 1987-01-20

Family

ID=12282432

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2966681A Granted JPS57143946A (en) 1981-02-27 1981-02-27 Optical fiber communication device

Country Status (1)

Country Link
JP (1) JPS57143946A (he)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447492U (he) * 1987-09-17 1989-03-23
JPS6447493U (he) * 1987-09-17 1989-03-23

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6062749A (ja) * 1983-08-08 1985-04-10 Fujitsu Ltd Ｕ字型光バスネットワ−クにおけるｒａｓ方式
JPH0740694B2 (ja) * 1986-07-23 1995-05-01 株式会社明電舎 情報伝送装置
US6307652B1 (en) 1998-04-28 2001-10-23 Weed Instrument Company, Incorporated Fault tolerant optical communication apparatus and method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447492U (he) * 1987-09-17 1989-03-23
JPS6447493U (he) * 1987-09-17 1989-03-23

Also Published As

Publication number Publication date
JPS57143946A (en) 1982-09-06

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