NL6511850A - - Google Patents

Info

Publication number
NL6511850A
NL6511850A NL6511850A NL6511850A NL6511850A NL 6511850 A NL6511850 A NL 6511850A NL 6511850 A NL6511850 A NL 6511850A NL 6511850 A NL6511850 A NL 6511850A NL 6511850 A NL6511850 A NL 6511850A
Authority
NL
Netherlands
Application number
NL6511850A
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 filed Critical
Publication of NL6511850A publication Critical patent/NL6511850A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Monitoring And Testing Of Transmission In General (AREA)
  • Interface Circuits In Exchanges (AREA)
NL6511850A 1964-09-10 1965-09-10 NL6511850A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5164964 1964-09-10

Publications (1)

Publication Number Publication Date
NL6511850A true NL6511850A (xx) 1966-03-11

Family

ID=12892691

Family Applications (1)

Application Number Title Priority Date Filing Date
NL6511850A NL6511850A (xx) 1964-09-10 1965-09-10

Country Status (4)

Country Link
US (1) US3465106A (xx)
DE (1) DE1283293B (xx)
GB (1) GB1093965A (xx)
NL (1) NL6511850A (xx)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537740A1 (de) * 1966-10-31 1970-03-05 Western Electric Co Anpassungsfaehige Echoloescheinrichtung

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535473A (en) * 1966-10-31 1970-10-20 Bell Telephone Labor Inc Self-adjusting echo canceller
GB1263119A (en) * 1968-11-21 1972-02-09 Nippon Electric Co Echo suppressor
DE1816153B2 (de) * 1968-12-20 1971-04-15 Schaltungsanordnung zur echounterdrueckung in einem sprech kreis auf einem vierdraht uebertragungssystem bei einem uebergang auf einen zweidrahtuebertragungsweg
US3632905A (en) * 1969-12-19 1972-01-04 Bell Telephone Labor Inc Method for improving the settling time of a transversal filter adaptive echo canceller
US3597541A (en) * 1969-12-23 1971-08-03 Sylvania Electric Prod Decision-directed adapted equalizer circuit
US3647992A (en) * 1970-03-05 1972-03-07 Bell Telephone Labor Inc Adaptive echo canceller for nonlinear systems
US3836734A (en) * 1971-12-03 1974-09-17 Communications Satellite Corp Adaptive echo canceller with multi-increment gain coefficient corrections
JPS535008B2 (xx) * 1972-05-15 1978-02-23
US4823382A (en) * 1986-10-01 1989-04-18 Racal Data Communications Inc. Echo canceller with dynamically positioned adaptive filter taps
DE3719591C2 (de) * 1987-06-12 1994-07-07 Telefonbau & Normalzeit Gmbh Verfahren zur Echokompensation für eine Gabelschaltung
DE3730234A1 (de) * 1987-09-09 1989-03-30 Telefonbau & Normalzeit Gmbh Verfahren zur echounterdrueckung
US5014263A (en) * 1987-10-02 1991-05-07 Advanced Micro Devices, Inc. Adaptive echo-canceller with double-talker detection
FI915196A (fi) * 1991-11-04 1993-05-05 Nokia Telecommunications Oy Foerfarande foer konvergering av en ekoslaeckare i boerjan av ett samtal
US5757654A (en) * 1993-12-29 1998-05-26 International Business Machines Corp. Reflective wave compensation on high speed processor cards
US5544047A (en) * 1993-12-29 1996-08-06 International Business Machines Corporation Reflective wave compensation on high speed processor cards
JPH08265224A (ja) * 1995-03-22 1996-10-11 Nec Corp エコーキャンセラ
DE19917658A1 (de) * 1999-04-19 2000-11-02 Alcatel Sa Testsignal zur Messung der Echoimpulsantwort während des Aufbaus einer TK-Verbindung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2560806A (en) * 1948-03-05 1951-07-17 Bell Telephone Labor Inc Echo suppression in transmission lines
DE857975C (de) * 1948-12-09 1952-12-04 Rudolf Wagner Schaltungsanordnung zur Kompensation von Rueckkopplungsvorgaengen in Gabelschaltungen
DE849572C (de) * 1948-12-09 1952-09-15 Rudolf Wagner Schaltungsanordnung zur Steuerung des UEbertragungsgrades von Fernmeldeanlagen

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1537740A1 (de) * 1966-10-31 1970-03-05 Western Electric Co Anpassungsfaehige Echoloescheinrichtung

Also Published As

Publication number Publication date
US3465106A (en) 1969-09-02
DE1283293B (de) 1968-11-21
GB1093965A (en) 1967-12-06

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