DE69709363D1 - Echocompensator für nicht-lineare schaltungen - Google Patents

Echocompensator für nicht-lineare schaltungen

Info

Publication number
DE69709363D1
DE69709363D1 DE69709363T DE69709363T DE69709363D1 DE 69709363 D1 DE69709363 D1 DE 69709363D1 DE 69709363 T DE69709363 T DE 69709363T DE 69709363 T DE69709363 T DE 69709363T DE 69709363 D1 DE69709363 D1 DE 69709363D1
Authority
DE
Germany
Prior art keywords
echocompensator
linear circuits
circuits
linear
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Lifetime
Application number
DE69709363T
Other languages
English (en)
Other versions
DE69709363T2 (de
Inventor
Douglas Romesburg
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ericsson Inc
Original Assignee
Ericsson Inc
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 Ericsson Inc filed Critical Ericsson Inc
Publication of DE69709363D1 publication Critical patent/DE69709363D1/de
Application granted granted Critical
Publication of DE69709363T2 publication Critical patent/DE69709363T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/015—Reducing echo effects
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/08—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic
    • H04M9/082—Two-way loud-speaking telephone systems with means for conditioning the signal, e.g. for suppressing echoes for one or both directions of traffic using echo cancellers

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Telephone Function (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Interface Circuits In Exchanges (AREA)
DE69709363T 1996-07-24 1997-07-21 Echocompensator für nicht-lineare schaltungen Expired - Lifetime DE69709363T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US08/685,495 US5796819A (en) 1996-07-24 1996-07-24 Echo canceller for non-linear circuits
PCT/US1997/012717 WO1998004079A2 (en) 1996-07-24 1997-07-21 Echo canceler for non-linear circuits

Publications (2)

Publication Number Publication Date
DE69709363D1 true DE69709363D1 (de) 2002-01-31
DE69709363T2 DE69709363T2 (de) 2002-08-22

Family

ID=24752439

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69709363T Expired - Lifetime DE69709363T2 (de) 1996-07-24 1997-07-21 Echocompensator für nicht-lineare schaltungen

Country Status (13)

Country Link
US (1) US5796819A (de)
EP (1) EP0914721B1 (de)
JP (1) JP4046197B2 (de)
KR (1) KR100338657B1 (de)
CN (1) CN1169312C (de)
AU (1) AU719049B2 (de)
BR (1) BR9710475A (de)
DE (1) DE69709363T2 (de)
EE (1) EE03842B1 (de)
HK (1) HK1019982A1 (de)
MY (1) MY122083A (de)
PL (1) PL185318B1 (de)
WO (1) WO1998004079A2 (de)

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EE03842B1 (et) 2002-08-15
EP0914721A2 (de) 1999-05-12
WO1998004079A3 (en) 1998-03-19
CN1226349A (zh) 1999-08-18
US5796819A (en) 1998-08-18
PL185318B1 (pl) 2003-04-30
PL331238A1 (en) 1999-07-05
BR9710475A (pt) 1999-08-17
HK1019982A1 (en) 2000-03-03
AU719049B2 (en) 2000-05-04
EE9900024A (et) 1999-08-16
AU3734297A (en) 1998-02-10
WO1998004079A2 (en) 1998-01-29
MY122083A (en) 2006-03-31
DE69709363T2 (de) 2002-08-22
KR100338657B1 (ko) 2002-09-19
CN1169312C (zh) 2004-09-29
JP2000515345A (ja) 2000-11-14
EP0914721B1 (de) 2001-12-19
JP4046197B2 (ja) 2008-02-13

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