JPS639689B2 - - Google Patents

Info

Publication number
JPS639689B2
JPS639689B2 JP55133336A JP13333680A JPS639689B2 JP S639689 B2 JPS639689 B2 JP S639689B2 JP 55133336 A JP55133336 A JP 55133336A JP 13333680 A JP13333680 A JP 13333680A JP S639689 B2 JPS639689 B2 JP S639689B2
Authority
JP
Japan
Prior art keywords
transmission line
working
input
switching
line 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.)
Expired
Application number
JP55133336A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5758419A (en
Inventor
Takashi Wakabayashi
Takeo Fukushima
Tetsuo Murase
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.)
Fujitsu Ltd
Original Assignee
Fujitsu Ltd
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 Fujitsu Ltd filed Critical Fujitsu Ltd
Priority to JP13333680A priority Critical patent/JPS5758419A/ja
Publication of JPS5758419A publication Critical patent/JPS5758419A/ja
Publication of JPS639689B2 publication Critical patent/JPS639689B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
JP13333680A 1980-09-25 1980-09-25 Uninterruptible transmission line switching system Granted JPS5758419A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP13333680A JPS5758419A (en) 1980-09-25 1980-09-25 Uninterruptible transmission line switching system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP13333680A JPS5758419A (en) 1980-09-25 1980-09-25 Uninterruptible transmission line switching system

Publications (2)

Publication Number Publication Date
JPS5758419A JPS5758419A (en) 1982-04-08
JPS639689B2 true JPS639689B2 (enrdf_load_stackoverflow) 1988-03-01

Family

ID=15102329

Family Applications (1)

Application Number Title Priority Date Filing Date
JP13333680A Granted JPS5758419A (en) 1980-09-25 1980-09-25 Uninterruptible transmission line switching system

Country Status (1)

Country Link
JP (1) JPS5758419A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS62274946A (ja) * 1986-05-23 1987-11-28 Fujitsu Ltd 無瞬断切替回路
JPH04291530A (ja) * 1991-03-20 1992-10-15 Nec Corp Ｎ／１冗長構成回路

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013343B2 (ja) * 1976-01-07 1985-04-06 日立電子株式会社 搬送波供給回路の予備方式
GB1520153A (en) * 1976-02-06 1978-08-02 Gen Electric Co Ltd Digital relay systems

Also Published As

Publication number Publication date
JPS5758419A (en) 1982-04-08

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