HK1001180A1 - Echo compensation device - Google Patents

Echo compensation device

Info

Publication number
HK1001180A1
HK1001180A1 HK98100232A HK98100232A HK1001180A1 HK 1001180 A1 HK1001180 A1 HK 1001180A1 HK 98100232 A HK98100232 A HK 98100232A HK 98100232 A HK98100232 A HK 98100232A HK 1001180 A1 HK1001180 A1 HK 1001180A1
Authority
HK
Hong Kong
Prior art keywords
compensation device
echo compensation
echo
compensation
Prior art date
Application number
HK98100232A
Other languages
English (en)
Inventor
Rolf Biedermann
Burkhard Telges
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 HK1001180A1 publication Critical patent/HK1001180A1/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
HK98100232A 1992-10-27 1998-01-12 Echo compensation device HK1001180A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4236272A DE4236272A1 (de) 1992-10-27 1992-10-27 Echokompensationsvorrichtung und 4/2-Drahtschnittstelle mit einer solchen Echokompensationsvorrichtung
PCT/DE1993/000968 WO1994010760A1 (de) 1992-10-27 1993-10-12 Echokompensationsvorrichtung

Publications (1)

Publication Number Publication Date
HK1001180A1 true HK1001180A1 (en) 1998-05-29

Family

ID=6471480

Family Applications (1)

Application Number Title Priority Date Filing Date
HK98100232A HK1001180A1 (en) 1992-10-27 1998-01-12 Echo compensation device

Country Status (11)

Country Link
US (1) US5546460A (fi)
EP (1) EP0667066B1 (fi)
JP (1) JP2739863B2 (fi)
AU (1) AU677606B2 (fi)
CA (1) CA2147867A1 (fi)
DE (2) DE4236272A1 (fi)
DK (1) DK0667066T3 (fi)
ES (1) ES2091635T3 (fi)
FI (1) FI951999A0 (fi)
HK (1) HK1001180A1 (fi)
WO (1) WO1994010760A1 (fi)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7696838B2 (en) * 2004-09-09 2010-04-13 Nec Corporation Equalizing filter circuit

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3633105A (en) * 1970-04-01 1972-01-04 Gte Automatic Electric Lab Inc Digital adaptive equalizer system
US3789560A (en) * 1971-08-20 1974-02-05 Round Eight Corp Square circle house or like building structure
US3798560A (en) * 1973-01-29 1974-03-19 Bell Telephone Labor Inc Adaptive transversal equalizer using a time-multiplexed second-order digital filter
US4064379A (en) * 1976-06-11 1977-12-20 Communications Satellite Corporation Logarithmic echo canceller
DE3000856A1 (de) * 1980-01-11 1981-07-16 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Adaptive entzerrereinrichtung
US4381561A (en) * 1980-10-23 1983-04-26 International Telephone And Telegraph Corporation All digital LSI line circuit for analog lines
US4852036A (en) * 1987-01-07 1989-07-25 Oki Electric Industry Co., Ltd. Adaptive digital filter and an echo canceler incorporating the same
US4922530A (en) * 1988-03-18 1990-05-01 Tellabs, Inc. Adaptive filter with coefficient averaging and method
EP0448754B1 (de) * 1990-03-27 1993-11-03 Siemens Aktiengesellschaft Zweidraht-Vierdraht-Umsetzer
EP0448753B1 (de) * 1990-03-27 1993-11-03 Siemens Aktiengesellschaft Zweidraht-Vierdraht-Umsetzer
US5179575A (en) * 1990-04-04 1993-01-12 Sundstrand Corporation Tracking algorithm for equalizers following variable gain circuitry
US5386472A (en) * 1990-08-10 1995-01-31 General Motors Corporation Active noise control system
EP0483845B1 (en) * 1990-11-01 1999-07-14 Nec Corporation Interference canceller with tap weight adaptation control using stepsize inversely proportional to the signal power level
US5278872A (en) * 1991-05-28 1994-01-11 North American Philips Corporation System and circuit architecture for echo cancellation and a television receiver comprising same

Also Published As

Publication number Publication date
FI951999A (fi) 1995-04-26
ES2091635T3 (es) 1996-11-01
FI951999A0 (fi) 1995-04-26
US5546460A (en) 1996-08-13
JP2739863B2 (ja) 1998-04-15
JPH07508627A (ja) 1995-09-21
WO1994010760A1 (de) 1994-05-11
AU5107093A (en) 1994-05-24
EP0667066A1 (de) 1995-08-16
DK0667066T3 (da) 1996-12-02
DE4236272A1 (de) 1994-04-28
CA2147867A1 (en) 1994-05-11
DE59303900D1 (de) 1996-10-24
EP0667066B1 (de) 1996-09-18
AU677606B2 (en) 1997-05-01

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Legal Events

Date Code Title Description
PC Patent ceased (i.e. patent has lapsed due to the failure to pay the renewal fee)