GR3001866T3 - Echo compensator - Google Patents

Echo compensator

Info

Publication number
GR3001866T3
GR3001866T3 GR90401175T GR900401175T GR3001866T3 GR 3001866 T3 GR3001866 T3 GR 3001866T3 GR 90401175 T GR90401175 T GR 90401175T GR 900401175 T GR900401175 T GR 900401175T GR 3001866 T3 GR3001866 T3 GR 3001866T3
Authority
GR
Greece
Prior art keywords
digital
circuit
analog
khz
trunk
Prior art date
Application number
GR90401175T
Other languages
English (en)
Inventor
Von Dirsko Dipl-Ing Fh Pfeil
Hartmut Dipl-Ing Kemmesies
Erhard Waretzi
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 GR3001866T3 publication Critical patent/GR3001866T3/el

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
    • 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
    • H04B3/238—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 using initial training sequence

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Optical Communication System (AREA)
  • Lock And Its Accessories (AREA)
  • Manufacturing And Processing Devices For Dough (AREA)
  • Electrophotography Configuration And Component (AREA)
  • Primary Cells (AREA)
GR90401175T 1986-01-30 1991-04-26 Echo compensator GR3001866T3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3602803 1986-01-30

Publications (1)

Publication Number Publication Date
GR3001866T3 true GR3001866T3 (en) 1992-11-23

Family

ID=6292977

Family Applications (1)

Application Number Title Priority Date Filing Date
GR90401175T GR3001866T3 (en) 1986-01-30 1991-04-26 Echo compensator

Country Status (8)

Country Link
EP (1) EP0231854B1 (el)
JP (1) JPH06101668B2 (el)
AT (1) ATE62365T1 (el)
AU (1) AU574282B2 (el)
CA (1) CA1332449C (el)
DE (1) DE3768975D1 (el)
ES (1) ES2021285B3 (el)
GR (1) GR3001866T3 (el)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AU604137B2 (en) * 1987-07-20 1990-12-06 Nec Corporation Echo canceller
DE3875028D1 (de) * 1987-07-29 1992-11-05 Siemens Ag Echokompensator.
AT391784B (de) * 1987-11-25 1990-11-26 Siemens Ag Oesterreich Verfahren zur adaptiven kompensation eines echos in einer kommunikationseinrichtung
DE4202206C2 (de) * 1992-01-28 1998-06-10 Bosch Gmbh Robert Analog/digitaler Kompensator mit Pegelregelung für eine Gabelschaltung

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2496364A1 (fr) * 1980-12-17 1982-06-18 Trt Telecom Radio Electr Annuleur d'echo pour transmission telephonique par voies numeriques mettant en oeuvre une loi de codage pseudo-logarithmique
FR2556530B1 (fr) * 1983-10-28 1986-04-04 Telediffusion Fse Dispositif de correction d'echos, notamment pour systeme de diffusion de donnees
FR2569322B1 (fr) * 1984-08-17 1986-12-05 Trt Telecom Radio Electr Annuleur d'echo utilisant la modulation delta
GB2164827B (en) * 1984-09-19 1988-04-20 Nec Corp Method of cancelling echoes in full-duplex data transmission system
AU4695485A (en) * 1984-09-21 1986-03-27 Alcatel N.V. Digital hybrid

Also Published As

Publication number Publication date
JPS62183230A (ja) 1987-08-11
JPH06101668B2 (ja) 1994-12-12
ATE62365T1 (de) 1991-04-15
EP0231854B1 (de) 1991-04-03
AU574282B2 (en) 1988-06-30
EP0231854A1 (de) 1987-08-12
AU6809587A (en) 1987-08-13
CA1332449C (en) 1994-10-11
DE3768975D1 (de) 1991-05-08
ES2021285B3 (es) 1991-11-01

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