JPS5380110A - Data transmission system - Google Patents

Data transmission system

Info

Publication number
JPS5380110A
JPS5380110A JP15687276A JP15687276A JPS5380110A JP S5380110 A JPS5380110 A JP S5380110A JP 15687276 A JP15687276 A JP 15687276A JP 15687276 A JP15687276 A JP 15687276A JP S5380110 A JPS5380110 A JP S5380110A
Authority
JP
Japan
Prior art keywords
data transmission
transmission system
lines
pairs
signalswhose
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
JP15687276A
Other languages
Japanese (ja)
Inventor
Kazuo Motoo
Nobutoshi Tsuchiya
Seitaro Miyajima
Osamu Sasaki
Yasumasa Watabe
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.)
Hitachi Ltd
Original Assignee
Hitachi 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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15687276A priority Critical patent/JPS5380110A/en
Publication of JPS5380110A publication Critical patent/JPS5380110A/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/20—Arrangements affording multiple use of the transmission path using different combinations of lines, e.g. phantom working

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

PURPOSE:To improve economization with making it possible to transmit signalswhose number is more than the number of pairs of lines by producing transmission lines by utilizing the electric middles of pairs of balanced lines.
JP15687276A 1976-12-25 1976-12-25 Data transmission system Pending JPS5380110A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15687276A JPS5380110A (en) 1976-12-25 1976-12-25 Data transmission system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15687276A JPS5380110A (en) 1976-12-25 1976-12-25 Data transmission system

Publications (1)

Publication Number Publication Date
JPS5380110A true JPS5380110A (en) 1978-07-15

Family

ID=15637224

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15687276A Pending JPS5380110A (en) 1976-12-25 1976-12-25 Data transmission system

Country Status (1)

Country Link
JP (1) JPS5380110A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1337070A2 (en) * 2002-02-13 2003-08-20 Merten GmbH & Co. KG Phantom circuit for transmission in local, integrated data and telephone network
JP2014512133A (en) * 2011-04-08 2014-05-19 アルカテル−ルーセント Combination device for DSL phantom mode signals in a communication system

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1337070A2 (en) * 2002-02-13 2003-08-20 Merten GmbH & Co. KG Phantom circuit for transmission in local, integrated data and telephone network
EP1337070A3 (en) * 2002-02-13 2004-04-07 Merten GmbH & Co. KG Phantom circuit for transmission in local, integrated data and telephone network
JP2014512133A (en) * 2011-04-08 2014-05-19 アルカテル−ルーセント Combination device for DSL phantom mode signals in a communication system

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