AU467665B2 - Improvements in or relating to telecommunications exchange systems - Google Patents

Improvements in or relating to telecommunications exchange systems

Info

Publication number
AU467665B2
AU467665B2 AU34489/71A AU3448971A AU467665B2 AU 467665 B2 AU467665 B2 AU 467665B2 AU 34489/71 A AU34489/71 A AU 34489/71A AU 3448971 A AU3448971 A AU 3448971A AU 467665 B2 AU467665 B2 AU 467665B2
Authority
AU
Australia
Prior art keywords
relating
exchange systems
telecommunications exchange
telecommunications
systems
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
AU34489/71A
Other versions
AU3448971A (en
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
Priority claimed from DE19702050480 external-priority patent/DE2050480B2/en
Priority claimed from DE19702050462 external-priority patent/DE2050462C/en
Application filed filed Critical
Publication of AU3448971A publication Critical patent/AU3448971A/en
Application granted granted Critical
Publication of AU467665B2 publication Critical patent/AU467665B2/en
Expired legal-status Critical Current

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

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)
AU34489/71A 1970-10-14 1971-10-12 Improvements in or relating to telecommunications exchange systems Expired AU467665B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE19702050480 DE2050480B2 (en) 1970-10-14 1970-10-14 TELEPHONE TRANSMISSION SYSTEM WITH ECHO BARRIERS
DEDE82050 1970-10-14
DE19702050462 DE2050462C (en) 1970-10-14 Telephone transmission system with echo cancellers

Publications (2)

Publication Number Publication Date
AU3448971A AU3448971A (en) 1973-04-19
AU467665B2 true AU467665B2 (en) 1975-12-11

Family

ID=25759898

Family Applications (1)

Application Number Title Priority Date Filing Date
AU34489/71A Expired AU467665B2 (en) 1970-10-14 1971-10-12 Improvements in or relating to telecommunications exchange systems

Country Status (6)

Country Link
AU (1) AU467665B2 (en)
ES (1) ES395767A1 (en)
FR (1) FR2110414B1 (en)
GB (1) GB1329958A (en)
IL (1) IL37915A (en)
NL (1) NL7114156A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU657814B2 (en) * 1991-11-04 1995-03-23 Nokia Telecommunications Oy An arrangement for the control of an echo canceller

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU657814B2 (en) * 1991-11-04 1995-03-23 Nokia Telecommunications Oy An arrangement for the control of an echo canceller

Also Published As

Publication number Publication date
IL37915A (en) 1974-11-29
NL7114156A (en) 1972-04-18
IL37915A0 (en) 1971-12-29
ES395767A1 (en) 1974-08-16
AU3448971A (en) 1973-04-19
GB1329958A (en) 1973-09-12
FR2110414A1 (en) 1972-06-02
FR2110414B1 (en) 1976-12-03

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