JPS5275904A - Semi-double circuit - Google Patents

Semi-double circuit

Info

Publication number
JPS5275904A
JPS5275904A JP50153052A JP15305275A JPS5275904A JP S5275904 A JPS5275904 A JP S5275904A JP 50153052 A JP50153052 A JP 50153052A JP 15305275 A JP15305275 A JP 15305275A JP S5275904 A JPS5275904 A JP S5275904A
Authority
JP
Japan
Prior art keywords
semi
double circuit
double
communication
digital data
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
JP50153052A
Other languages
Japanese (ja)
Other versions
JPS5722459B2 (en
Inventor
Kazuo Hamasato
Takao Ueno
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.)
Nippon Telegraph and Telephone Corp
Original Assignee
Nippon Telegraph and Telephone 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 Nippon Telegraph and Telephone Corp filed Critical Nippon Telegraph and Telephone Corp
Priority to JP50153052A priority Critical patent/JPS5275904A/en
Publication of JPS5275904A publication Critical patent/JPS5275904A/en
Publication of JPS5722459B2 publication Critical patent/JPS5722459B2/ja
Granted 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
    • H04L5/14—Two-way operation using the same type of signal, i.e. duplex
    • H04L5/16—Half-duplex systems; Simplex/duplex switching; Transmission of break signals non-automatically inverting the direction of transmission

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)

Abstract

PURPOSE:To perform semi-double communication through double-current transmission without using any transmission control medium for Z-line type digital data communication.
JP50153052A 1975-12-22 1975-12-22 Semi-double circuit Granted JPS5275904A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP50153052A JPS5275904A (en) 1975-12-22 1975-12-22 Semi-double circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP50153052A JPS5275904A (en) 1975-12-22 1975-12-22 Semi-double circuit

Publications (2)

Publication Number Publication Date
JPS5275904A true JPS5275904A (en) 1977-06-25
JPS5722459B2 JPS5722459B2 (en) 1982-05-13

Family

ID=15553915

Family Applications (1)

Application Number Title Priority Date Filing Date
JP50153052A Granted JPS5275904A (en) 1975-12-22 1975-12-22 Semi-double circuit

Country Status (1)

Country Link
JP (1) JPS5275904A (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466706A (en) * 1977-11-08 1979-05-29 Oki Electric Ind Co Ltd Echo prevention system in semi-duplex communication
JPS55175124U (en) * 1979-06-01 1980-12-16
JPS57115049A (en) * 1981-01-08 1982-07-17 Oki Electric Ind Co Ltd Pulse signal transmitting and receiving circuit
JPS57178746U (en) * 1981-05-06 1982-11-12
JPS57201352A (en) * 1981-06-04 1982-12-09 Nippon Telegr & Teleph Corp <Ntt> Balance-unbalance conversion circuit
JPS58197942A (en) * 1982-05-14 1983-11-17 Kokusai Electric Co Ltd Level conversion system for data signal

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5466706A (en) * 1977-11-08 1979-05-29 Oki Electric Ind Co Ltd Echo prevention system in semi-duplex communication
JPS584854B2 (en) * 1977-11-08 1983-01-28 沖電気工業株式会社 Echo prevention method for half-duplex communication in telegraph exchange
JPS55175124U (en) * 1979-06-01 1980-12-16
JPH0138577Y2 (en) * 1979-06-01 1989-11-17
JPS57115049A (en) * 1981-01-08 1982-07-17 Oki Electric Ind Co Ltd Pulse signal transmitting and receiving circuit
JPS57178746U (en) * 1981-05-06 1982-11-12
JPS57201352A (en) * 1981-06-04 1982-12-09 Nippon Telegr & Teleph Corp <Ntt> Balance-unbalance conversion circuit
JPS58197942A (en) * 1982-05-14 1983-11-17 Kokusai Electric Co Ltd Level conversion system for data signal

Also Published As

Publication number Publication date
JPS5722459B2 (en) 1982-05-13

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