TW355889B - Circuit arrangement for line adaptation and echo suppression - Google Patents
Circuit arrangement for line adaptation and echo suppressionInfo
- Publication number
- TW355889B TW355889B TW086103771A TW86103771A TW355889B TW 355889 B TW355889 B TW 355889B TW 086103771 A TW086103771 A TW 086103771A TW 86103771 A TW86103771 A TW 86103771A TW 355889 B TW355889 B TW 355889B
- Authority
- TW
- Taiwan
- Prior art keywords
- signals
- analog
- digital
- circuit arrangement
- echo suppression
- Prior art date
Links
Classifications
-
- 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
- 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)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19611941A DE19611941C1 (de) | 1996-03-26 | 1996-03-26 | Schaltungsanordnung zur Leitungsanpassung und Echounterdrückung |
Publications (1)
Publication Number | Publication Date |
---|---|
TW355889B true TW355889B (en) | 1999-04-11 |
Family
ID=7789483
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW086103771A TW355889B (en) | 1996-03-26 | 1997-03-25 | Circuit arrangement for line adaptation and echo suppression |
Country Status (5)
Country | Link |
---|---|
US (1) | US5969567A (zh) |
EP (1) | EP0798876B1 (zh) |
CN (1) | CN1110912C (zh) |
DE (2) | DE19611941C1 (zh) |
TW (1) | TW355889B (zh) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000046936A1 (de) * | 1999-02-05 | 2000-08-10 | Infineon Technologies Ag | Analoges echofilter |
DE19933485B4 (de) * | 1999-07-16 | 2004-05-13 | Infineon Technologies Ag | Leitungsabschlußeinrichtung für eine Telefon-Teilnehmeranschlußleitung |
DE10112559B4 (de) * | 2001-03-15 | 2005-04-28 | Infineon Technologies Ag | xDSL-Modem mit digitaler Splitter-Vorrichtung |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1583635A (en) * | 1977-03-02 | 1981-01-28 | Int Standard Electric Corp | Subscriber line or trunk circuit |
JPS5829012B2 (ja) * | 1978-05-16 | 1983-06-20 | ケイディディ株式会社 | エコ−制御方式 |
EP0163298B1 (en) * | 1984-05-30 | 1992-09-30 | Hitachi, Ltd. | Pcm coder/decoder with two-wire/four-wire conversion |
SE463589B (sv) * | 1989-04-27 | 1990-12-10 | Ericsson Telefon Ab L M | Foerfarande foer att undvika felaktig ekoeliminering och/eller utjaemning till foeljd av olinjaeriteter i en d/a-omvandlare och/eller en a/d-omvandlare i en telekommunikationsanlaeggning, samt anordning foer utoevande av foerfarandet i samband med d/a-omvandling och anordning foer utoevande av foerfarandet i samband med a/d-omvandling |
US5307405A (en) * | 1992-09-25 | 1994-04-26 | Qualcomm Incorporated | Network echo canceller |
-
1996
- 1996-03-26 DE DE19611941A patent/DE19611941C1/de not_active Expired - Fee Related
-
1997
- 1997-03-10 DE DE59712661T patent/DE59712661D1/de not_active Expired - Lifetime
- 1997-03-10 EP EP97103944A patent/EP0798876B1/de not_active Expired - Lifetime
- 1997-03-25 TW TW086103771A patent/TW355889B/zh not_active IP Right Cessation
- 1997-03-26 US US08/824,442 patent/US5969567A/en not_active Expired - Lifetime
- 1997-03-26 CN CN97104912A patent/CN1110912C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE59712661D1 (de) | 2006-07-06 |
EP0798876A2 (de) | 1997-10-01 |
CN1168587A (zh) | 1997-12-24 |
US5969567A (en) | 1999-10-19 |
CN1110912C (zh) | 2003-06-04 |
DE19611941C1 (de) | 1997-12-11 |
EP0798876A3 (de) | 2003-06-25 |
EP0798876B1 (de) | 2006-05-31 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM4A | Annulment or lapse of patent due to non-payment of fees |