HK1044643B - 回波和失真消除裝置 - Google Patents

回波和失真消除裝置

Info

Publication number
HK1044643B
HK1044643B HK02106090.4A HK02106090A HK1044643B HK 1044643 B HK1044643 B HK 1044643B HK 02106090 A HK02106090 A HK 02106090A HK 1044643 B HK1044643 B HK 1044643B
Authority
HK
Hong Kong
Prior art keywords
signal
transmitted
driver
additional
transmission line
Prior art date
Application number
HK02106090.4A
Other languages
English (en)
Other versions
HK1044643A1 (en
Inventor
Randahl Torbjorn
Barkaro Stefan
Original Assignee
艾利森電話股份有限公司
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 SE9804505A external-priority patent/SE513317C2/sv
Priority claimed from SE9900838A external-priority patent/SE513787C2/sv
Application filed by 艾利森電話股份有限公司 filed Critical 艾利森電話股份有限公司
Publication of HK1044643A1 publication Critical patent/HK1044643A1/xx
Publication of HK1044643B publication Critical patent/HK1044643B/zh

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)
  • Dc Digital Transmission (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Interconnected Communication Systems, Intercoms, And Interphones (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
HK02106090.4A 1998-12-22 2002-08-20 回波和失真消除裝置 HK1044643B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9804505A SE513317C2 (sv) 1998-12-22 1998-12-22 Eko- och distorsionselimineringsanordning
SE9900838A SE513787C2 (sv) 1999-03-09 1999-03-09 Eko- och distorsionselimineringsanordning
PCT/SE1999/002399 WO2000038345A1 (en) 1998-12-22 1999-12-17 Echo and distortion cancellation arrangement

Publications (2)

Publication Number Publication Date
HK1044643A1 HK1044643A1 (en) 2002-10-25
HK1044643B true HK1044643B (zh) 2005-04-08

Family

ID=26663466

Family Applications (1)

Application Number Title Priority Date Filing Date
HK02106090.4A HK1044643B (zh) 1998-12-22 2002-08-20 回波和失真消除裝置

Country Status (11)

Country Link
US (1) US6636605B1 (zh)
EP (1) EP1142150B1 (zh)
JP (1) JP2002533983A (zh)
KR (1) KR20010086139A (zh)
CN (1) CN1157860C (zh)
AT (1) ATE301349T1 (zh)
AU (1) AU4520300A (zh)
CA (1) CA2355719A1 (zh)
DE (1) DE69926540T2 (zh)
HK (1) HK1044643B (zh)
WO (1) WO2000038345A1 (zh)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10050336C1 (de) * 2000-10-11 2002-07-25 Infineon Technologies Ag Programmierbares Echokompensationsfilter und Transceiver für xDSL-Signale
CN113328766B (zh) * 2021-08-02 2021-11-09 北京国科天迅科技有限公司 回波消除电路

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5166635A (en) * 1991-03-27 1992-11-24 Level One Communications, Inc. Digital data line driver
US5235617A (en) * 1991-06-11 1993-08-10 Digital Equipment Corporation Transmission media driving system
DE69614284T2 (de) 1995-02-02 2002-01-10 Nippon Telegraph & Telephone Verzerrungskorrekturvorrichtung
US5856758A (en) * 1996-11-20 1999-01-05 Adtran, Inc. Low distortion driver employing positive feedback for reducing power loss in output impedance that effectively matches the impedance of driven line
JP2000515568A (ja) * 1997-06-17 2000-11-21 モービル・オイル・コーポレーション 冷シール可能な結合性ポリマー
US6226322B1 (en) * 1998-03-30 2001-05-01 Texas Instruments Incorporated Analog receive equalizer for digital-subscriber-line communications system
US6298046B1 (en) * 1998-08-28 2001-10-02 Rc Networks Adjustable balancing circuit for an adaptive hybrid and method of adjusting the same

Also Published As

Publication number Publication date
US6636605B1 (en) 2003-10-21
DE69926540T2 (de) 2006-06-08
CN1157860C (zh) 2004-07-14
EP1142150A1 (en) 2001-10-10
HK1044643A1 (en) 2002-10-25
ATE301349T1 (de) 2005-08-15
CN1338158A (zh) 2002-02-27
DE69926540D1 (de) 2005-09-08
AU4520300A (en) 2000-07-12
JP2002533983A (ja) 2002-10-08
WO2000038345A1 (en) 2000-06-29
CA2355719A1 (en) 2000-06-29
KR20010086139A (ko) 2001-09-07
EP1142150B1 (en) 2005-08-03

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