BR8006953A - Circuito hibrido para conexao de uma fonte e absorsor de linha de 2 fios para comunicacao degital, usando frequencia unica para operacao duplex - Google Patents
Circuito hibrido para conexao de uma fonte e absorsor de linha de 2 fios para comunicacao degital, usando frequencia unica para operacao duplexInfo
- Publication number
- BR8006953A BR8006953A BR8006953A BR8006953A BR8006953A BR 8006953 A BR8006953 A BR 8006953A BR 8006953 A BR8006953 A BR 8006953A BR 8006953 A BR8006953 A BR 8006953A BR 8006953 A BR8006953 A BR 8006953A
- Authority
- BR
- Brazil
- Prior art keywords
- absorbor
- source
- digital communication
- wire line
- hybrid circuit
- Prior art date
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)
- Networks Using Active Elements (AREA)
- Filters That Use Time-Delay Elements (AREA)
- Bidirectional Digital Transmission (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19792944686 DE2944686C2 (de) | 1979-11-06 | 1979-11-06 | Einrichtung mit einer Gabelschaltung |
Publications (1)
Publication Number | Publication Date |
---|---|
BR8006953A true BR8006953A (pt) | 1981-05-12 |
Family
ID=6085218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR8006953A BR8006953A (pt) | 1979-11-06 | 1980-10-29 | Circuito hibrido para conexao de uma fonte e absorsor de linha de 2 fios para comunicacao degital, usando frequencia unica para operacao duplex |
Country Status (3)
Country | Link |
---|---|
BR (1) | BR8006953A (pt) |
CH (1) | CH651978A5 (pt) |
DE (1) | DE2944686C2 (pt) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3212056A1 (de) * | 1982-04-01 | 1984-02-09 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verfahren und schaltungsanordnung zur durchfuehrung des verfahrens zur adaptiven echoloeschung in endgeraeten fuer duplex-datenuebertragung ueber zweidrahtleitungen |
FR2528642B1 (fr) * | 1982-06-11 | 1985-10-25 | Cit Alcatel | Annuleur d'echo pour transmission de donnees |
DE3231055A1 (de) * | 1982-08-20 | 1984-02-23 | Siemens AG, 1000 Berlin und 8000 München | Schaltungsanordnung zur basisbanduebertragung mit echokompensation |
US4707824A (en) * | 1983-12-15 | 1987-11-17 | Nec Corporation | Method and apparatus for cancelling echo |
JP2005514857A (ja) * | 2001-12-26 | 2005-05-19 | グローブスパン ヴィラタ、インコーポレイテッド | 簡便に適応可能なハイブリッド回路 |
DE10234725B4 (de) | 2002-07-30 | 2004-09-23 | Infineon Technologies Ag | Transceiver mit integrierter Hybrid-Schaltung |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE416367B (sv) * | 1976-09-07 | 1980-12-15 | Western Electric Co | Ekoelimineringsanordning |
-
1979
- 1979-11-06 DE DE19792944686 patent/DE2944686C2/de not_active Expired
-
1980
- 1980-10-29 BR BR8006953A patent/BR8006953A/pt unknown
- 1980-11-06 CH CH824080A patent/CH651978A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
CH651978A5 (en) | 1985-10-15 |
DE2944686A1 (de) | 1981-05-07 |
DE2944686C2 (de) | 1982-05-13 |
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