JPS622493B2 - - Google Patents

Info

Publication number
JPS622493B2
JPS622493B2 JP56027021A JP2702181A JPS622493B2 JP S622493 B2 JPS622493 B2 JP S622493B2 JP 56027021 A JP56027021 A JP 56027021A JP 2702181 A JP2702181 A JP 2702181A JP S622493 B2 JPS622493 B2 JP S622493B2
Authority
JP
Japan
Prior art keywords
signal
circuit
coupling circuit
optical coupling
transmission line
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
JP56027021A
Other languages
English (en)
Japanese (ja)
Other versions
JPS57142050A (en
Inventor
Hideo Ootani
Norio Murayama
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 JP56027021A priority Critical patent/JPS57142050A/ja
Publication of JPS57142050A publication Critical patent/JPS57142050A/ja
Publication of JPS622493B2 publication Critical patent/JPS622493B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Dc Digital Transmission (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Optical Communication System (AREA)
JP56027021A 1981-02-27 1981-02-27 Coupling circuit coupling transformer coupled transmission line and photo coupling circuit Granted JPS57142050A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56027021A JPS57142050A (en) 1981-02-27 1981-02-27 Coupling circuit coupling transformer coupled transmission line and photo coupling circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56027021A JPS57142050A (en) 1981-02-27 1981-02-27 Coupling circuit coupling transformer coupled transmission line and photo coupling circuit

Publications (2)

Publication Number Publication Date
JPS57142050A JPS57142050A (en) 1982-09-02
JPS622493B2 true JPS622493B2 (en, 2012) 1987-01-20

Family

ID=12209427

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56027021A Granted JPS57142050A (en) 1981-02-27 1981-02-27 Coupling circuit coupling transformer coupled transmission line and photo coupling circuit

Country Status (1)

Country Link
JP (1) JPS57142050A (en, 2012)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447493U (en, 2012) * 1987-09-17 1989-03-23
JPS6447492U (en, 2012) * 1987-09-17 1989-03-23

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157531A (en) * 1991-02-19 1992-10-20 International Business Machines Corporation Hybrid transmission network

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6447493U (en, 2012) * 1987-09-17 1989-03-23
JPS6447492U (en, 2012) * 1987-09-17 1989-03-23

Also Published As

Publication number Publication date
JPS57142050A (en) 1982-09-02

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