JPH0439957B2 - - Google Patents

Info

Publication number
JPH0439957B2
JPH0439957B2 JP60180959A JP18095985A JPH0439957B2 JP H0439957 B2 JPH0439957 B2 JP H0439957B2 JP 60180959 A JP60180959 A JP 60180959A JP 18095985 A JP18095985 A JP 18095985A JP H0439957 B2 JPH0439957 B2 JP H0439957B2
Authority
JP
Japan
Prior art keywords
wire
impedance
signal
circuit
current
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 - Lifetime
Application number
JP60180959A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6242695A (ja
Inventor
Kenji Takato
Toshiro Tojo
Yozo Iketani
Mitsutoshi Ayano
Kyoshi Shibuya
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
Original Assignee
Fujitsu 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 filed Critical Fujitsu Ltd
Priority to JP60180959A priority Critical patent/JPS6242695A/ja
Priority to CA000516222A priority patent/CA1260170A/en
Priority to US06/897,914 priority patent/US4827505A/en
Priority to AU61585/86A priority patent/AU574277B2/en
Priority to EP86111530A priority patent/EP0212632B1/en
Priority to DE8686111530T priority patent/DE3687153T2/de
Priority to KR8606880A priority patent/KR900001135B1/ko
Priority to CN86105137A priority patent/CN1003032B/zh
Publication of JPS6242695A publication Critical patent/JPS6242695A/ja
Publication of JPH0439957B2 publication Critical patent/JPH0439957B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
JP60180959A 1985-08-20 1985-08-20 ２線−４線変換回路 Granted JPS6242695A (ja)

Priority Applications (8)

Application Number Priority Date Filing Date Title
JP60180959A JPS6242695A (ja) 1985-08-20 1985-08-20 ２線−４線変換回路
CA000516222A CA1260170A (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
US06/897,914 US4827505A (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
AU61585/86A AU574277B2 (en) 1985-08-20 1986-08-19 Subscriber line interface circuit
EP86111530A EP0212632B1 (en) 1985-08-20 1986-08-20 Subscriber line interface circuit
DE8686111530T DE3687153T2 (de) 1985-08-20 1986-08-20 Teilnehmerschnittstellenschaltung.
KR8606880A KR900001135B1 (en) 1985-08-20 1986-08-20 Subscriber line interface circuit
CN86105137A CN1003032B (zh) 1985-08-20 1986-08-20 用户线接口电路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60180959A JPS6242695A (ja) 1985-08-20 1985-08-20 ２線−４線変換回路

Publications (2)

Publication Number Publication Date
JPS6242695A JPS6242695A (ja) 1987-02-24
JPH0439957B2 true JPH0439957B2 (cg-RX-API-DMAC7.html) 1992-07-01

Family

ID=16092268

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60180959A Granted JPS6242695A (ja) 1985-08-20 1985-08-20 ２線−４線変換回路

Country Status (1)

Country Link
JP (1) JPS6242695A (cg-RX-API-DMAC7.html)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0282794A (ja) * 1988-09-19 1990-03-23 Fujitsu Ltd ４線−４線回り込み抑止回路
DK3409103T3 (da) 2017-05-30 2021-10-25 Fraunhofer Ges Forschung Anordning og fremgangsmåde til fremme af planters vækst

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5742263A (en) * 1980-08-27 1982-03-09 Fujitsu Ltd Power feeding and two/four wire conversion system
JPS5869132A (ja) * 1981-10-20 1983-04-25 Nippon Telegr & Teleph Corp <Ntt> 電子化ハイブリツド回路

Also Published As

Publication number Publication date
JPS6242695A (ja) 1987-02-24

Similar Documents

Publication Publication Date Title
JP2645022B2 (ja) 加入者回路
JP2898165B2 (ja) ハイブリッド回路
US4881262A (en) Electronic hybrid circuit
JPH0671343B2 (ja) ２線式伝送路中の縦及び横方向電流測定回路
JPH0439957B2 (cg-RX-API-DMAC7.html)
JP3659982B2 (ja) 電話音声回路に伴うインピーダンス実現回路
US4789999A (en) Line circuit for coupling a subscriber set to a switching facility to provide a complex impedance match
JPH0463575B2 (cg-RX-API-DMAC7.html)
US5128992A (en) Hybrid circuit
JPH0533880B2 (cg-RX-API-DMAC7.html)
JP3494468B2 (ja) ハイブリッド回路及びこれを用いた装置
JPH01246909A (ja) ノッチフィルタによる減衰の補償回路
JPS6230546B2 (cg-RX-API-DMAC7.html)
JPS6126740B2 (cg-RX-API-DMAC7.html)
JPH04130591A (ja) 複素数加重係数を有する加算増幅器およびそのような加算増幅器を備えたインターフェイス
JPH03231520A (ja) ２線４線変換回路
JPH0462240B2 (cg-RX-API-DMAC7.html)
JPS6115648Y2 (cg-RX-API-DMAC7.html)
JPH033009Y2 (cg-RX-API-DMAC7.html)
JPH0834605B2 (ja) 加入者回路
JPS6310615B2 (cg-RX-API-DMAC7.html)
JPS60117959A (ja) 加入者回路
JPH0319593A (ja) ２線４線変換回路
JPH0396055A (ja) ２線４線回路
JPS61234627A (ja) ２線−４線変換回路