JPS59169227A - 切替方式 - Google Patents

切替方式

Info

Publication number
JPS59169227A
JPS59169227A JP4349083A JP4349083A JPS59169227A JP S59169227 A JPS59169227 A JP S59169227A JP 4349083 A JP4349083 A JP 4349083A JP 4349083 A JP4349083 A JP 4349083A JP S59169227 A JPS59169227 A JP S59169227A
Authority
JP
Japan
Prior art keywords
line
circuit
working
signal
transmission
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.)
Granted
Application number
JP4349083A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0137011B2 (fr
Inventor
Kazuhiro Yamamoto
和弘 山本
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.)
NEC Corp
Original Assignee
NEC Corp
Nippon Electric Co 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 NEC Corp, Nippon Electric Co Ltd filed Critical NEC Corp
Priority to JP4349083A priority Critical patent/JPS59169227A/ja
Publication of JPS59169227A publication Critical patent/JPS59169227A/ja
Publication of JPH0137011B2 publication Critical patent/JPH0137011B2/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)
JP4349083A 1983-03-16 1983-03-16 切替方式 Granted JPS59169227A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4349083A JPS59169227A (ja) 1983-03-16 1983-03-16 切替方式

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4349083A JPS59169227A (ja) 1983-03-16 1983-03-16 切替方式

Publications (2)

Publication Number Publication Date
JPS59169227A true JPS59169227A (ja) 1984-09-25
JPH0137011B2 JPH0137011B2 (fr) 1989-08-03

Family

ID=12665152

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4349083A Granted JPS59169227A (ja) 1983-03-16 1983-03-16 切替方式

Country Status (1)

Country Link
JP (1) JPS59169227A (fr)

Also Published As

Publication number Publication date
JPH0137011B2 (fr) 1989-08-03

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