SE501975C2 - Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning - Google Patents

Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning

Info

Publication number
SE501975C2
SE501975C2 SE9303689A SE9303689A SE501975C2 SE 501975 C2 SE501975 C2 SE 501975C2 SE 9303689 A SE9303689 A SE 9303689A SE 9303689 A SE9303689 A SE 9303689A SE 501975 C2 SE501975 C2 SE 501975C2
Authority
SE
Sweden
Prior art keywords
signal
longitudinal
circuit
transverse
correlator
Prior art date
Application number
SE9303689A
Other languages
English (en)
Swedish (sv)
Other versions
SE9303689L (sv
SE9303689D0 (sv
Inventor
Johan Gunnar Meyer
Gunnar Anders Eriksson
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
Application filed by Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Priority to SE9303689A priority Critical patent/SE501975C2/sv
Publication of SE9303689D0 publication Critical patent/SE9303689D0/xx
Priority to GB9420873A priority patent/GB2283888B/en
Priority to US08/334,075 priority patent/US5526425A/en
Priority to DE4439737A priority patent/DE4439737A1/de
Priority to JP6273982A priority patent/JPH07303265A/ja
Priority to FR9413364A priority patent/FR2712448B1/fr
Priority to CA002135321A priority patent/CA2135321A1/en
Publication of SE9303689L publication Critical patent/SE9303689L/
Publication of SE501975C2 publication Critical patent/SE501975C2/sv

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
    • H04B1/40—Circuits
    • H04B1/54—Circuits using the same frequency for two directions of communication
    • H04B1/58—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa
    • H04B1/586—Hybrid arrangements, i.e. arrangements for transition from single-path two-direction transmission to single-direction transmission on each of two paths or vice versa using an electronic circuit

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)
  • Interface Circuits In Exchanges (AREA)
SE9303689A 1993-11-09 1993-11-09 Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning SE501975C2 (sv)

Priority Applications (7)

Application Number Priority Date Filing Date Title
SE9303689A SE501975C2 (sv) 1993-11-09 1993-11-09 Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning
GB9420873A GB2283888B (en) 1993-11-09 1994-10-17 An interface circuit between a four wire line and a two wire lne
US08/334,075 US5526425A (en) 1993-11-09 1994-11-04 Interface circuit between a four wire line and a two wire line
DE4439737A DE4439737A1 (de) 1993-11-09 1994-11-07 Schnittstellenschaltung zwischen einer Vierdrahtleitung und einer Zweidrahtleitung
JP6273982A JPH07303265A (ja) 1993-11-09 1994-11-08 四線式回線と二線式回線との間のインタフェース回路
FR9413364A FR2712448B1 (fr) 1993-11-09 1994-11-08 Circuit d'interface entre une ligne à quatre fils et une ligne à deux fils.
CA002135321A CA2135321A1 (en) 1993-11-09 1994-11-08 Interface circuit between a four wire line and a two wire line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE9303689A SE501975C2 (sv) 1993-11-09 1993-11-09 Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning

Publications (3)

Publication Number Publication Date
SE9303689D0 SE9303689D0 (sv) 1993-11-09
SE9303689L SE9303689L (sv) 1995-05-10
SE501975C2 true SE501975C2 (sv) 1995-07-03

Family

ID=20391684

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9303689A SE501975C2 (sv) 1993-11-09 1993-11-09 Gränssnittskrets mellan fyrtrådsledning och tvåtrådsledning

Country Status (7)

Country Link
US (1) US5526425A (de)
JP (1) JPH07303265A (de)
CA (1) CA2135321A1 (de)
DE (1) DE4439737A1 (de)
FR (1) FR2712448B1 (de)
GB (1) GB2283888B (de)
SE (1) SE501975C2 (de)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE503688C2 (sv) * 1994-11-10 1996-07-29 Ericsson Telefon Ab L M Drivsteg
US5828748A (en) * 1996-06-27 1998-10-27 Lucent Technologies Method for customizing operation of a line interface circuit in a telecommunications network
SE507920C2 (sv) * 1996-11-08 1998-07-27 Ericsson Telefon Ab L M Linjekrets
US6700975B1 (en) 1996-11-08 2004-03-02 Telefonaktiebolaget Lm Ericsson (Publ) Subscriber line interface circuit
US6369650B1 (en) * 2000-11-29 2002-04-09 Texas Instruments Incorporated Impedance synthesis and DC biasing method and architecture for DSL/cable line drivers
US8190530B2 (en) 2002-01-30 2012-05-29 Visa U.S.A. Inc. Method and system for providing multiple services via a point-of-sale portal architecture
US7212850B2 (en) * 2003-11-26 2007-05-01 Cardionet, Inc. System and method for processing and presenting arrhythmia information to facilitate heart arrhythmia identification and treatment
ATE514235T1 (de) * 2003-12-26 2011-07-15 Alcatel Lucent Stellgerät zur impedanzausgleichung einer übertragungsleitung
US8208007B2 (en) * 2004-04-21 2012-06-26 Telepresence Technologies, Llc 3-D displays and telepresence systems and methods therefore
US8599239B2 (en) 2004-04-21 2013-12-03 Telepresence Technologies, Llc Telepresence systems and methods therefore
US7057637B2 (en) * 2004-04-21 2006-06-06 White Peter Mcduffie Reflected backdrop for communications systems
US8179121B2 (en) * 2009-03-30 2012-05-15 Pcb Piezotronics, Inc. Bridge sensor with collocated electronics and two-wire interface

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3973089A (en) * 1973-10-29 1976-08-03 General Electric Company Adaptive hybrid circuit
NL7903665A (nl) * 1979-05-10 1980-11-12 Philips Nv Aansluitschakeling voor een telefoonlijn.
US4387273A (en) * 1980-08-25 1983-06-07 International Telephone And Telegraph Corporation Subscriber line interface circuit with impedance synthesizer
US4527261A (en) * 1981-10-07 1985-07-02 Amf Incorporated Hiline interference eliminator
SE431704B (sv) * 1982-07-06 1984-02-20 Ericsson Telefon Ab L M Forfarande vid strommatning av en abonnentapparat fran en telefonvexel
SE433284B (sv) * 1982-09-17 1984-05-14 Ericsson Telefon Ab L M Anordning for strommatning av en abonnentapparat
SE433285B (sv) * 1982-09-22 1984-05-14 Ericsson Telefon Ab L M Anordning for strommatning av en abonnentapparat
GB8302673D0 (en) * 1983-02-01 1983-03-02 Motorola Inc Borsht/slic auto balancing technique
CA1208715A (en) * 1984-05-09 1986-07-29 Northern Telecom Limited Adaptive hybrid
US4757530A (en) * 1984-05-14 1988-07-12 Northern Telecom Limited Adaptive hybrid
DE3516670A1 (de) * 1985-05-09 1986-11-13 Licentia Patent-Verwaltungs-Gmbh Selbsteinstellende gabelschaltung
SE448264B (sv) * 1985-12-19 1987-02-02 Ericsson Telefon Ab L M Anordninng for justering av impedansverdet hos ett impedansnet i en integrerad halvledarkrets
SE453240B (sv) * 1986-05-06 1988-01-18 Ericsson Telefon Ab L M Anordning i ett telekommunikationssystem for att strommata en telefonapparat
SE453626B (sv) * 1986-06-27 1988-02-15 Ericsson Telefon Ab L M Sett och anordning att strommata en telefonlinje for att vid begrensad batterispenning kunna overfora en odistorderad talsignal
CA1258930A (en) * 1986-12-24 1989-08-29 Reinhard Rosch Active impedance line feed circuit
EP0286835B1 (de) * 1987-04-14 1992-01-15 Siemens Aktiengesellschaft Verfahren und Schaltungsanordnung zur Einstellung der Teilnehmerleitungs-Nachbildungsimpedanzen von programmierbaren Gabelschaltung
US4910768A (en) * 1988-08-02 1990-03-20 The Inteleplex Corporation Automatic balancing circuit for longitudinal transmission system
SE467333B (sv) * 1990-10-24 1992-06-29 Ericsson Telefon Ab L M Krets foer att alstra debiteringspulser avsedda foer presentation hos en teleabonnent

Also Published As

Publication number Publication date
GB2283888B (en) 1998-07-08
JPH07303265A (ja) 1995-11-14
FR2712448B1 (fr) 1998-11-20
GB9420873D0 (en) 1994-11-30
DE4439737A1 (de) 1995-05-11
SE9303689L (sv) 1995-05-10
GB2283888A (en) 1995-05-17
US5526425A (en) 1996-06-11
SE9303689D0 (sv) 1993-11-09
CA2135321A1 (en) 1995-05-10
FR2712448A1 (fr) 1995-05-19

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Legal Events

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