IL130236A0 - Circuit for two-wire/four wire conversion - Google Patents

Circuit for two-wire/four wire conversion

Info

Publication number
IL130236A0
IL130236A0 IL13023698A IL13023698A IL130236A0 IL 130236 A0 IL130236 A0 IL 130236A0 IL 13023698 A IL13023698 A IL 13023698A IL 13023698 A IL13023698 A IL 13023698A IL 130236 A0 IL130236 A0 IL 130236A0
Authority
IL
Israel
Prior art keywords
wire
circuit
conversion
wire conversion
Prior art date
Application number
IL13023698A
Other languages
English (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 IL130236A0 publication Critical patent/IL130236A0/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L27/00—Modulated-carrier systems
    • H04L27/0002—Modulated-carrier systems analog front ends; means for connecting modulators, demodulators or transceivers to a transmission line
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
IL13023698A 1997-01-20 1998-01-20 Circuit for two-wire/four wire conversion IL130236A0 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19701785 1997-01-20
PCT/DE1998/000169 WO1998032241A2 (de) 1997-01-20 1998-01-20 Schaltungsanordnung zur zweidraht-vierdraht-umsetzung

Publications (1)

Publication Number Publication Date
IL130236A0 true IL130236A0 (en) 2000-06-01

Family

ID=7817810

Family Applications (1)

Application Number Title Priority Date Filing Date
IL13023698A IL130236A0 (en) 1997-01-20 1998-01-20 Circuit for two-wire/four wire conversion

Country Status (6)

Country Link
US (1) US6594360B1 (xx)
EP (1) EP0953234B1 (xx)
JP (1) JP3592338B2 (xx)
DE (1) DE59802707D1 (xx)
IL (1) IL130236A0 (xx)
WO (1) WO1998032241A2 (xx)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1118245B1 (de) * 1998-09-30 2007-06-20 Infineon Technologies AG Leitungsabschlussvorrichtung für eine teilnehmeranschlussleitung
US6853626B1 (en) * 2000-03-22 2005-02-08 National University Of Singapore Method and apparatus for echo cancellation in an asymmetric communication system
US7428304B2 (en) * 2004-08-31 2008-09-23 Silicon Laboratories Method and apparatus for detecting subscriber alerting signal tones and customer premises equipment alerting signal tones to non-echo canceling modems

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0122594A3 (en) * 1983-04-18 1986-09-10 International Standard Electric Corporation Line circuit with echo compensation
US5051981A (en) * 1988-01-21 1991-09-24 Codex Corporation Digital filtering
JP3158414B2 (ja) * 1990-06-25 2001-04-23 日本電気株式会社 エコーキャンセラ
US5623513A (en) * 1993-12-13 1997-04-22 Amati Communications Corporation Mitigating clipping and quantization effects in digital transmission systems
US5585802A (en) * 1994-11-02 1996-12-17 Advanced Micro Devices, Inc. Multi-stage digital to analog conversion circuit and method

Also Published As

Publication number Publication date
EP0953234B1 (de) 2001-11-21
JP3592338B2 (ja) 2004-11-24
WO1998032241A3 (de) 1998-09-11
WO1998032241A2 (de) 1998-07-23
DE59802707D1 (de) 2002-02-21
US6594360B1 (en) 2003-07-15
JP2000509593A (ja) 2000-07-25
EP0953234A2 (de) 1999-11-03

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