ATE301349T1 - Echo- und verzerrungsunterdrückungsanordnung - Google Patents

Echo- und verzerrungsunterdrückungsanordnung

Info

Publication number
ATE301349T1
ATE301349T1 AT99973515T AT99973515T ATE301349T1 AT E301349 T1 ATE301349 T1 AT E301349T1 AT 99973515 T AT99973515 T AT 99973515T AT 99973515 T AT99973515 T AT 99973515T AT E301349 T1 ATE301349 T1 AT E301349T1
Authority
AT
Austria
Prior art keywords
signal
transmitted
driver
additional
transmission line
Prior art date
Application number
AT99973515T
Other languages
English (en)
Inventor
Torbjoern Randahl
Stefan Barkaroe
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Application granted granted Critical
Publication of ATE301349T1 publication Critical patent/ATE301349T1/de

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)
AT99973515T 1998-12-22 1999-12-17 Echo- und verzerrungsunterdrückungsanordnung ATE301349T1 (de)

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 (1)

Publication Number Publication Date
ATE301349T1 true ATE301349T1 (de) 2005-08-15

Family

ID=26663466

Family Applications (1)

Application Number Title Priority Date Filing Date
AT99973515T ATE301349T1 (de) 1998-12-22 1999-12-17 Echo- und verzerrungsunterdrückungsanordnung

Country Status (11)

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

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
HK1044643B (zh) 2005-04-08
CN1157860C (zh) 2004-07-14
EP1142150A1 (de) 2001-10-10
HK1044643A1 (en) 2002-10-25
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 (de) 2005-08-03

Similar Documents

Publication Publication Date Title
EP0951141A3 (de) Direktes Audiosignal aus der Speisespannung
MY122083A (en) Echo canceler for non-linear circuits
WO2002065735A3 (en) Vehicle accessory microphone
HK1039693A1 (zh) 高效率開關增益功率放大器
EP1308850A3 (de) Rechnerbuskonfiguration und Eingangs-Ausgangstreiber
CA2094639A1 (en) Transformer-less hybrid circuit
DE69925747D1 (de) Internet-gigabit-ethernet-sender-architektur
CA2402704A1 (en) System and method of producing direct audio from a power supply
AU2001266472A1 (en) Transmitter including a composit amplifier
EP1286143A3 (de) Vergleichs- und Verstärkerschaltung für Detektoren
CA2301886A1 (en) Reducing sparseness in coded speech signals
JP3226762B2 (ja) データアクセス装置
CA2102857A1 (en) Technique for Reducing Echoes in Conference Communications
EP0772291A3 (de) Verfahren und System zur Verbesserung der Leistungseffizienz einer ausgeglichenen Verstärker-/Antennenkombination
WO2002037783A3 (en) Auto-mdix line-driver with power down loopback protection
ATE301349T1 (de) Echo- und verzerrungsunterdrückungsanordnung
DE69531348D1 (de) Phasenrauschendetektor
CA2089429A1 (en) Low power noise rejecting ttl to cmos input buffer
AU2042599A (en) Line driver with linear transitions
WO2002027932A3 (en) Output buffer with charge-pumped noise cancellation
TW429673B (en) Differential amplifying circuit and load driving circuit
CA2453146A1 (en) Line driver for digital signal transmission
CA2350987A1 (en) System with choke in parallel with a/c line for load conditioning
EP0642251A3 (de) Verfahren zur automatischen Sprachrichtungsumschaltung und Schaltungsanordnung zur Durchführung des Verfahrens
SE9900838D0 (sv) Echo and distortion cancellation arrangement

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties