JPS56144644A - Two-wire to four-wire convertion circuit - Google Patents

Two-wire to four-wire convertion circuit

Info

Publication number
JPS56144644A
JPS56144644A JP4942080A JP4942080A JPS56144644A JP S56144644 A JPS56144644 A JP S56144644A JP 4942080 A JP4942080 A JP 4942080A JP 4942080 A JP4942080 A JP 4942080A JP S56144644 A JPS56144644 A JP S56144644A
Authority
JP
Japan
Prior art keywords
wire
circuit
impedance
resistance
jomegatau
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
JP4942080A
Other languages
English (en)
Other versions
JPS617059B2 (ja
Inventor
Masamichi Imai
Haruo Amano
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 JP4942080A priority Critical patent/JPS56144644A/ja
Publication of JPS56144644A publication Critical patent/JPS56144644A/ja
Publication of JPS617059B2 publication Critical patent/JPS617059B2/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
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/586—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using an electronic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
JP4942080A 1980-04-14 1980-04-14 Two-wire to four-wire convertion circuit Granted JPS56144644A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4942080A JPS56144644A (en) 1980-04-14 1980-04-14 Two-wire to four-wire convertion circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4942080A JPS56144644A (en) 1980-04-14 1980-04-14 Two-wire to four-wire convertion circuit

Publications (2)

Publication Number Publication Date
JPS56144644A true JPS56144644A (en) 1981-11-11
JPS617059B2 JPS617059B2 (ja) 1986-03-04

Family

ID=12830576

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4942080A Granted JPS56144644A (en) 1980-04-14 1980-04-14 Two-wire to four-wire convertion circuit

Country Status (1)

Country Link
JP (1) JPS56144644A (ja)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898986U (ja) * 1981-12-28 1983-07-05 株式会社ソフィア パチンコ機
JPH01231435A (ja) * 1987-11-25 1989-09-14 Nec Corp ２線／４線変換回路における終端インピーダンス設定回路

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004109A (en) * 1975-05-09 1977-01-18 Boxall Frank S Hybrid circuit

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4004109A (en) * 1975-05-09 1977-01-18 Boxall Frank S Hybrid circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5898986U (ja) * 1981-12-28 1983-07-05 株式会社ソフィア パチンコ機
JPH0357270Y2 (ja) * 1981-12-28 1991-12-26
JPH01231435A (ja) * 1987-11-25 1989-09-14 Nec Corp ２線／４線変換回路における終端インピーダンス設定回路

Also Published As

Publication number Publication date
JPS617059B2 (ja) 1986-03-04

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