JPH0137011B2 - - Google Patents

Info

Publication number
JPH0137011B2
JPH0137011B2 JP4349083A JP4349083A JPH0137011B2 JP H0137011 B2 JPH0137011 B2 JP H0137011B2 JP 4349083 A JP4349083 A JP 4349083A JP 4349083 A JP4349083 A JP 4349083A JP H0137011 B2 JPH0137011 B2 JP H0137011B2
Authority
JP
Japan
Prior art keywords
line
working
signal
4psk
output
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
JP4349083A
Other languages
English (en)
Japanese (ja)
Other versions
JPS59169227A (ja
Inventor
Kazuhiro Yamamoto
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
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 Nippon Electric Co Ltd filed Critical Nippon Electric Co Ltd
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 JPS59169227A (ja) 1984-09-25
JPH0137011B2 true JPH0137011B2 (de) 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 (de)

Also Published As

Publication number Publication date
JPS59169227A (ja) 1984-09-25

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