JPS59161193A - ２線−４線変換回路 - Google Patents

２線−４線変換回路

Info

Publication number
JPS59161193A
JPS59161193A JP58034578A JP3457883A JPS59161193A JP S59161193 A JPS59161193 A JP S59161193A JP 58034578 A JP58034578 A JP 58034578A JP 3457883 A JP3457883 A JP 3457883A JP S59161193 A JPS59161193 A JP S59161193A
Authority
JP
Japan
Prior art keywords
current
circuit
impedance
voltage
wire
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
JP58034578A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0462240B2 (cg-RX-API-DMAC7.html
Inventor
Junjiro Kitano
北野　純二郎
Ichiro Ohigata
大日方　一郎
Toshio Hayashi
林　敏夫
Tadakatsu Kimura
木村　忠勝
Toshiyuki Tawara
俊幸 田原
Isamu Ueki
植木　勇
Kenzo Takada
高田　健三
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.)
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Oki Electric Industry Co Ltd
NTT Inc
Original Assignee
Fujitsu Ltd
Hitachi Ltd
NEC Corp
Nippon Telegraph and Telephone Corp
Oki Electric Industry Co Ltd
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 Fujitsu Ltd, Hitachi Ltd, NEC Corp, Nippon Telegraph and Telephone Corp, Oki Electric Industry Co Ltd, Nippon Electric Co Ltd filed Critical Fujitsu Ltd
Priority to JP58034578A priority Critical patent/JPS59161193A/ja
Publication of JPS59161193A publication Critical patent/JPS59161193A/ja
Publication of JPH0462240B2 publication Critical patent/JPH0462240B2/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Devices For Supply Of Signal Current (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
JP58034578A 1983-03-04 1983-03-04 ２線−４線変換回路 Granted JPS59161193A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP58034578A JPS59161193A (ja) 1983-03-04 1983-03-04 ２線−４線変換回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP58034578A JPS59161193A (ja) 1983-03-04 1983-03-04 ２線−４線変換回路

Publications (2)

Publication Number Publication Date
JPS59161193A true JPS59161193A (ja) 1984-09-11
JPH0462240B2 JPH0462240B2 (cg-RX-API-DMAC7.html) 1992-10-05

Family

ID=12418202

Family Applications (1)

Application Number Title Priority Date Filing Date
JP58034578A Granted JPS59161193A (ja) 1983-03-04 1983-03-04 ２線−４線変換回路

Country Status (1)

Country Link
JP (1) JPS59161193A (cg-RX-API-DMAC7.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128992A (en) * 1989-08-11 1992-07-07 Fujitsu Limited Hybrid circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5128992A (en) * 1989-08-11 1992-07-07 Fujitsu Limited Hybrid circuit

Also Published As

Publication number Publication date
JPH0462240B2 (cg-RX-API-DMAC7.html) 1992-10-05

Similar Documents

Publication Publication Date Title
US4567331A (en) Electronic hybrid having synthesized impedance circuitry
US5822426A (en) Balanced hybrid circuit
US5734703A (en) Hybrid circuit and data communication apparatus
JP2645022B2 (ja) 加入者回路
JP2898165B2 (ja) ハイブリッド回路
JPS59161193A (ja) ２線−４線変換回路
KR900002740B1 (ko) 교환기용 급전회로
JPS6135733B2 (cg-RX-API-DMAC7.html)
US4789999A (en) Line circuit for coupling a subscriber set to a switching facility to provide a complex impedance match
CN100372243C (zh) 双向通信系统
US4358644A (en) Bilateral current source for a multi-terminal intercom
JP3494468B2 (ja) ハイブリッド回路及びこれを用いた装置
US4622442A (en) Electronic hybrid having synthesized impedance circuitry
JP2780363B2 (ja) ハイブリッド回路
US7715550B2 (en) Telephone line interface, side-tone attenuation circuit and method
US1779380A (en) Negative impedance circuits
JPS6126740B2 (cg-RX-API-DMAC7.html)
JPS58121837A (ja) ２線４線変換回路
JPS5899061A (ja) 同相雑音抑圧回路
JPH05244646A (ja) 加入者回路
JPH0396055A (ja) ２線４線回路
JPH0683311B2 (ja) 電話機回路
JPH07135488A (ja) Ａｖ光空間伝送の受光回路
FR2677196A1 (fr) Convertisseur differentiel passif deux fils/quatre fils.
JPS5869132A (ja) 電子化ハイブリツド回路