AR217116A1 - Acoplador direccional para transmision duplex - Google Patents

Acoplador direccional para transmision duplex

Info

Publication number
AR217116A1
AR217116A1 AR274187A AR27418778A AR217116A1 AR 217116 A1 AR217116 A1 AR 217116A1 AR 274187 A AR274187 A AR 274187A AR 27418778 A AR27418778 A AR 27418778A AR 217116 A1 AR217116 A1 AR 217116A1
Authority
AR
Argentina
Prior art keywords
directional coupler
duplex transmission
duplex
transmission
coupler
Prior art date
Application number
AR274187A
Other languages
English (en)
Spanish (es)
Original Assignee
Elektrisk Bureau As
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 Elektrisk Bureau As filed Critical Elektrisk Bureau As
Application granted granted Critical
Publication of AR217116A1 publication Critical patent/AR217116A1/es

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
    • H04B3/231—Echo cancellers using readout of a memory to provide the echo replica

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Analogue/Digital Conversion (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Dc Digital Transmission (AREA)
  • Bidirectional Digital Transmission (AREA)
  • Transceivers (AREA)
AR274187A 1977-10-24 1978-10-23 Acoplador direccional para transmision duplex AR217116A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO773627A NO140648C (no) 1977-10-24 1977-10-24 Direktiv kobler.

Publications (1)

Publication Number Publication Date
AR217116A1 true AR217116A1 (es) 1980-02-29

Family

ID=19883789

Family Applications (1)

Application Number Title Priority Date Filing Date
AR274187A AR217116A1 (es) 1977-10-24 1978-10-23 Acoplador direccional para transmision duplex

Country Status (14)

Country Link
US (1) US4237463A (no)
AR (1) AR217116A1 (no)
BR (1) BR7807005A (no)
DE (1) DE2846105C2 (no)
DK (1) DK147564C (no)
ES (1) ES474858A1 (no)
FI (1) FI73552C (no)
GB (1) GB2007946B (no)
GR (1) GR65007B (no)
IN (1) IN149319B (no)
MY (1) MY8300052A (no)
NL (1) NL185968C (no)
NO (1) NO140648C (no)
SE (1) SE441720C (no)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920575C2 (de) * 1979-05-21 1981-09-17 Siemens AG, 1000 Berlin und 8000 München Digital-Fernmeldesystem mit mindestens einem Vierdrahtleitungsabschnitt
GB2083977B (en) * 1980-08-26 1984-08-22 Standard Telephones Cables Ltd Single channel duplex radio system
IT1144154B (it) * 1981-03-09 1986-10-29 Cselt Centro Studi Lab Telecom Sistema di trasmissione simultanea bidirezionale su linea a due conduttori per telefono numerico
DE3116863C2 (de) * 1981-04-28 1985-08-08 Siemens AG, 1000 Berlin und 8000 München Schaltungsanordnung zur Digitalsignal-Echokompensation
DE3121545C2 (de) * 1981-05-29 1986-12-04 Siemens AG, 1000 Berlin und 8000 München Übersprech- u./o. Echo-Kompensationsschaltung
GB2123259A (en) * 1982-06-25 1984-01-25 Philips Electronic Associated Digital duplex communication system
GB8427165D0 (en) * 1984-10-26 1984-12-05 British Telecomm Adaptive recognising device
US4638473A (en) * 1984-12-28 1987-01-20 Gte Laboratories Incorporated Two wire bidirectional digital transmission system
NL8600815A (nl) * 1986-03-28 1987-10-16 At & T & Philips Telecomm Inrichting voor het kompenseren van niet-lineaire vervorming in een te digitaliseren ingangssignaal en een echokompensatiestelsel voorzien van een dergelijke inrichting.
NL8600817A (nl) 1986-03-28 1987-10-16 At & T & Philips Telecomm Adaptief filter voor het vormen van een echokompensatiesignaal in een zend-ontvangstelsel voor het in duplexvorm bedrijven van digitale communicatie over een enkel geleiderpaar.
SE453627B (sv) * 1986-06-17 1988-02-15 Ellemtel Utvecklings Ab Anordning for adaptiv ekoeliminering
NO875147L (no) * 1987-05-12 1988-11-14 Elektrisk Bureau As Fremgangsmaate for konvertering av signalnivaaer, samt anordning for utfoerelse av fremgangsmaaten.
GB8719307D0 (en) * 1987-08-14 1987-09-23 Gen Electric Co Plc Echo canceller
US5719856A (en) * 1995-04-07 1998-02-17 Motorola, Inc. Transmitter/receiver interface apparatus and method for a bi-directional transmission path
US5887032A (en) * 1996-09-03 1999-03-23 Amati Communications Corp. Method and apparatus for crosstalk cancellation
US6901070B2 (en) * 2000-12-04 2005-05-31 Gautam Nag Kavipurapu Dynamically programmable integrated switching device using an asymmetric 5T1C cell
US11862194B1 (en) 2022-12-01 2024-01-02 International Business Machines Corporation Adaptive data detection on a nonlinear channel

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3535473A (en) * 1966-10-31 1970-10-20 Bell Telephone Labor Inc Self-adjusting echo canceller
US3566031A (en) * 1968-12-23 1971-02-23 Bell Telephone Labor Inc Direct-current data set arranged for polar signaling and full duplex operation
US3696429A (en) * 1971-05-24 1972-10-03 Cutler Hammer Inc Signal cancellation system
US3821494A (en) * 1972-07-14 1974-06-28 Ibm Digital echo suppressor with direct table look up control by delta coded signals
US4144417A (en) * 1975-03-07 1979-03-13 Kokusai Denshin Denwa Kabushiki Kaisha Echo cancelling system
US4126770A (en) * 1975-11-07 1978-11-21 Kokusai Denshin Denwa Kabushiki Kaisha Echo canceller
US4087654A (en) * 1975-11-28 1978-05-02 Bell Telephone Laboratories, Incorporated Echo canceller for two-wire full duplex data transmission

Also Published As

Publication number Publication date
DK471078A (da) 1979-04-25
SE441720B (sv) 1985-10-28
BR7807005A (pt) 1979-05-08
DK147564C (da) 1989-10-23
IN149319B (no) 1981-10-24
FI783206A (fi) 1979-04-25
MY8300052A (en) 1983-12-31
US4237463A (en) 1980-12-02
DE2846105C2 (de) 1985-03-21
ES474858A1 (es) 1979-03-16
NO140648B (no) 1979-07-02
NL185968B (nl) 1990-03-16
NL7810554A (nl) 1979-04-26
NO140648C (no) 1983-03-29
GR65007B (en) 1980-06-12
NL185968C (nl) 1990-08-16
GB2007946B (en) 1982-03-24
GB2007946A (en) 1979-05-23
SE7810979L (sv) 1979-04-25
FI73552B (fi) 1987-06-30
DE2846105A1 (de) 1979-04-26
DK147564B (da) 1984-10-01
NO773627L (no) 1979-04-25
SE441720C (sv) 1987-11-09
FI73552C (fi) 1987-10-09

Similar Documents

Publication Publication Date Title
AR217116A1 (es) Acoplador direccional para transmision duplex
ES491564A0 (es) Dispositivo diferencial de transmision
SE7810239L (sv) Duplex-sendnings-mottagningsutrustning
AR220694A1 (es) Transmision
IT1114615B (it) Conghia di trasmissione trapezoidale
AR216973A1 (es) Conjunto de transmision homocinetico
AR220599A1 (es) Dispositivo de transmision
IT1109625B (it) Giunto idraulico per la trasmissione di coppia
AR212660A1 (es) Mecanismo de transmision de prensa
NL184179C (nl) Echolood met twee zendfrequenties.
ES491476A0 (es) Instalacion para la transmision de datos.
SE7812806L (sv) Sendnings-mottagningsvexlare
BE878427A (nl) Draaimoment-overbrengorgaan
FR2455226B1 (fr) Transmission hydrostatique
IT1131524B (it) Ricetrasmettitore duplex
MX143423A (es) Aparato mejorado para transmision de enercia mecanica
AR212274A1 (es) Control de transmision
IT8025964A0 (it) Conduttore di trasmissione.
NO152599C (no) Fortoeyningsboeye for fluidumoverfoering.
AR220791A1 (es) Mecanismo hidrostatico de transmision
AR210504A1 (es) Estacion para una disposicione de transmision duplex cooperante con una estacion piloto
AR222826A1 (es) Via de transmision plana para sistemas de transmision
AR216472A1 (es) Transmision
SE7908809L (sv) Kopplingstransmissionsenhet
BR7706599A (pt) Acoplamento eletromagnetico para transmissao de torque