IL60125A - Four-wire line arrangement for use in a digital telecommunications system - Google Patents

Four-wire line arrangement for use in a digital telecommunications system

Info

Publication number
IL60125A
IL60125A IL60125A IL6012580A IL60125A IL 60125 A IL60125 A IL 60125A IL 60125 A IL60125 A IL 60125A IL 6012580 A IL6012580 A IL 6012580A IL 60125 A IL60125 A IL 60125A
Authority
IL
Israel
Prior art keywords
telecommunications system
wire line
line arrangement
digital telecommunications
digital
Prior art date
Application number
IL60125A
Other languages
English (en)
Other versions
IL60125A0 (en
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Publication of IL60125A0 publication Critical patent/IL60125A0/xx
Publication of IL60125A publication Critical patent/IL60125A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B3/00—Line transmission systems
    • H04B3/02—Details
    • H04B3/20—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other
    • H04B3/23—Reducing echo effects or singing; Opening or closing transmitting path; Conditioning for transmission in one direction or the other using a replica of transmitted signal in the time domain, e.g. echo cancellers
    • H04B3/231—Echo cancellers using readout of a memory to provide the echo replica

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Dc Digital Transmission (AREA)
  • Selective Calling Equipment (AREA)
IL60125A 1979-05-21 1980-05-20 Four-wire line arrangement for use in a digital telecommunications system IL60125A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2920575A DE2920575C2 (de) 1979-05-21 1979-05-21 Digital-Fernmeldesystem mit mindestens einem Vierdrahtleitungsabschnitt

Publications (2)

Publication Number Publication Date
IL60125A0 IL60125A0 (en) 1980-07-31
IL60125A true IL60125A (en) 1983-02-23

Family

ID=6071334

Family Applications (1)

Application Number Title Priority Date Filing Date
IL60125A IL60125A (en) 1979-05-21 1980-05-20 Four-wire line arrangement for use in a digital telecommunications system

Country Status (17)

Country Link
EP (1) EP0019194B1 (no)
JP (1) JPS55154838A (no)
AR (1) AR231686A1 (no)
AT (1) ATE4403T1 (no)
AU (1) AU5855780A (no)
BR (1) BR8003158A (no)
CA (1) CA1147035A (no)
DE (2) DE2920575C2 (no)
DK (1) DK179580A (no)
FI (1) FI801625A7 (no)
GB (1) GB2050126B (no)
IL (1) IL60125A (no)
LU (1) LU82109A1 (no)
MX (1) MX147045A (no)
NO (1) NO148054C (no)
YU (1) YU127880A (no)
ZA (1) ZA802985B (no)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3116863C2 (de) * 1981-04-28 1985-08-08 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Digitalsignal-Echokompensation
DE3121545C2 (de) * 1981-05-29 1986-12-04 Siemens AG, 1000 Berlin und 8000 München Übersprech- u./o. Echo-Kompensationsschaltung
US4425483A (en) 1981-10-13 1984-01-10 Northern Telecom Limited Echo cancellation using transversal filters
CA1186029A (en) * 1982-06-11 1985-04-23 Gordon F. Mein Automatic correction circuit for received digitally encoded signals
GB2123259A (en) * 1982-06-25 1984-01-25 Philips Electronic Associated Digital duplex communication system
DE3327467A1 (de) * 1983-07-29 1985-02-14 Siemens AG, 1000 Berlin und 8000 München Verfahren und schaltungsanordnung zur kompensation von echosignalen
DE3719590A1 (de) * 1987-06-12 1988-12-29 Telefonbau & Normalzeit Gmbh Verfahren zur entzerrung von digital-signalen
DE3730234A1 (de) * 1987-09-09 1989-03-30 Telefonbau & Normalzeit Gmbh Verfahren zur echounterdrueckung
CN105980731B (zh) 2014-02-12 2018-04-27 日立汽车系统株式会社 缸体装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1522663A (en) * 1975-07-11 1978-08-23 Milgo Electronic Corp Data modems with automatic equalization drop-out detection and data echo protection
DE2801375C3 (de) * 1977-01-17 1982-01-28 Télécommunications Radioélectriques et Téléphoniques T.R.T., 75013 Paris Digitaler Echokompensator für einen Modem zur Datenübertragung mit Hilfe von Modulation eines Trägers
NO140648C (no) * 1977-10-24 1983-03-29 Elektrisk Bureau As Direktiv kobler.

Also Published As

Publication number Publication date
GB2050126A (en) 1980-12-31
DE2920575C2 (de) 1981-09-17
NO148054B (no) 1983-04-18
ATE4403T1 (de) 1983-08-15
NO148054C (no) 1983-07-27
DE2920575B1 (de) 1980-10-23
LU82109A1 (de) 1980-04-23
GB2050126B (en) 1984-02-22
MX147045A (es) 1982-09-23
AR231686A1 (es) 1985-01-31
EP0019194B1 (de) 1983-08-03
JPS55154838A (en) 1980-12-02
YU127880A (en) 1982-10-31
AU5855780A (en) 1980-11-27
ZA802985B (en) 1981-05-27
CA1147035A (en) 1983-05-24
IL60125A0 (en) 1980-07-31
NO801480L (no) 1980-11-24
FI801625A7 (fi) 1980-11-22
EP0019194A1 (de) 1980-11-26
DE3064481D1 (en) 1983-09-08
DK179580A (da) 1980-11-22
BR8003158A (pt) 1980-12-30

Similar Documents

Publication Publication Date Title
JPS5593391A (en) Telephone system
EG14711A (en) Telephone line feed
DE3063765D1 (en) Connecting cable in digital systems
DE3171775D1 (en) Subscriber terminal for use in a time shared bidirectional digital communication network
DE3069248D1 (en) A telephone set
DE3068846D1 (en) Digital telephone exchange
JPS5673933A (en) Telephone subscriber unit
ZA802985B (en) A four-wire line arrangement for use in a digital telecommunications system
GB2005968B (en) Half echo-suppressor for a four-wire telephone line
JPS568990A (en) Subscriber*s line junctor
JPS5675736A (en) Telephone subscriber unit
GB2066023B (en) Telephone line interface
JPS5694864A (en) Pushhbutton unit for telephone unit
PT72123B (en) Telephone line feed arrangement
GB2050114B (en) Line circuit for a telephone line
DE3368162D1 (en) Activation in a digital subscriber connection
GB2061672B (en) Electro-optical telephone line interface unit
IL60126A (en) Four-wire end-station for use in a digital telecommunications system
DE2967644D1 (en) Apparatus for use in telephone communication
EP0049428A3 (en) Apparatus for use in telephone communication
ZA811954B (en) Apparatus for use in a telephone exchange
PH16522A (en) Subscriber terminal for use in a tdm switching system
AU4270478A (en) Maintaining synchronism in a digital telecommunication network
AU547363B2 (en) Apparatus for use in a telephone exchange
MY8600053A (en) Arrangement for use in connecting telephone exchanges