SE419924B - Anordning for instellning av ett adaptivt digitalt balansfilter ingaende i en abonnentenhet - Google Patents

Anordning for instellning av ett adaptivt digitalt balansfilter ingaende i en abonnentenhet

Info

Publication number
SE419924B
SE419924B SE8004848A SE8004848A SE419924B SE 419924 B SE419924 B SE 419924B SE 8004848 A SE8004848 A SE 8004848A SE 8004848 A SE8004848 A SE 8004848A SE 419924 B SE419924 B SE 419924B
Authority
SE
Sweden
Prior art keywords
filter
unit
signals
signal
subscriber
Prior art date
Application number
SE8004848A
Other languages
English (en)
Swedish (sv)
Inventor
L T E Svensson
Original Assignee
Ellemtel Utvecklings Ab
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 Ellemtel Utvecklings Ab filed Critical Ellemtel Utvecklings Ab
Priority to SE8004848A priority Critical patent/SE419924B/sv
Priority to IN307/DEL/81A priority patent/IN155930B/en
Priority to IE1267/81A priority patent/IE51865B1/en
Priority to CA000379210A priority patent/CA1170382A/en
Priority to KR1019810002056A priority patent/KR840002490B1/ko
Priority to MX187858A priority patent/MX149625A/es
Priority to IT22609/81A priority patent/IT1137952B/it
Priority to JP56502314A priority patent/JPS57500907A/ja
Priority to AU74181/81A priority patent/AU539343B2/en
Priority to HU813228A priority patent/HU192075B/hu
Priority to EP81901891A priority patent/EP0055279B1/en
Priority to BR8108897A priority patent/BR8108897A/pt
Priority to PCT/SE1981/000194 priority patent/WO1982000230A1/en
Priority to DE8181901891T priority patent/DE3162279D1/de
Priority to ES503541A priority patent/ES503541A0/es
Priority to AR285937A priority patent/AR226904A1/es
Priority to YU1634/81A priority patent/YU42573B/xx
Priority to GR65414A priority patent/GR82632B/el
Publication of SE419924B publication Critical patent/SE419924B/sv
Priority to DK087582A priority patent/DK150435C/da
Priority to NO820625A priority patent/NO152529C/no
Priority to FI822335A priority patent/FI65151C/sv
Priority to US06/653,609 priority patent/US5305378A/en
Priority to MY574/85A priority patent/MY8500574A/xx

Links

Classifications

    • 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
    • H04B1/50—Circuits using different frequencies for the two directions of communication
    • H04B1/52—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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q11/00—Selecting arrangements for multiplex systems
    • H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/0045—Impedance matching networks
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/0248—Filters characterised by a particular frequency response or filtering method
    • H03H17/0264—Filter sets with mutual related characteristics
    • H03H17/0266—Filter banks
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M1/00—Substation equipment, e.g. for use by subscribers
    • H04M1/738—Interface circuits for coupling substations to external telephone lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Networks Using Active Elements (AREA)
SE8004848A 1980-01-07 1980-07-01 Anordning for instellning av ett adaptivt digitalt balansfilter ingaende i en abonnentenhet SE419924B (sv)

Priority Applications (23)

Application Number Priority Date Filing Date Title
SE8004848A SE419924B (sv) 1980-07-01 1980-07-01 Anordning for instellning av ett adaptivt digitalt balansfilter ingaende i en abonnentenhet
IN307/DEL/81A IN155930B (xx) 1980-07-01 1981-05-16
IE1267/81A IE51865B1 (en) 1980-07-01 1981-06-08 Arrangement for adjusting an adaptive digital balance filter included in a subscriber unit
CA000379210A CA1170382A (en) 1980-07-01 1981-06-08 Arrangement for adjusting an adaptive digital balance filter included in a subscriber unit
KR1019810002056A KR840002490B1 (ko) 1980-07-01 1981-06-09 가입자 유닛용 적응 디지틀 평형필터 조정장치
MX187858A MX149625A (es) 1980-07-01 1981-06-17 Mejoras en disposicion para ajustar un filtro de balance digital de adaptacion incluido en cada una de una pluralidad de unidades de subscriptor,comunmente conectadas a una central telefonica
IT22609/81A IT1137952B (it) 1980-07-01 1981-06-26 Disposizione per regolare un filtro di bilanciamento digitale adattivo incluso in un gruppo di abbonato
BR8108897A BR8108897A (pt) 1980-07-01 1981-06-29 Sistema para ajustar um filtro de equilibrio digital auto-adaptavel incluindo em uma unidade de assinante
AU74181/81A AU539343B2 (en) 1980-07-01 1981-06-29 Arrangement for adjusting an adaptive digital balance filter included in a subscriber unit
HU813228A HU192075B (en) 1980-07-01 1981-06-29 Device for adjusting adaptive digital filter-equalizer of one or more subscriber's units
EP81901891A EP0055279B1 (en) 1980-07-01 1981-06-29 Arrangement for adjusting an adaptive digital balance filter included in a subscriber unit
JP56502314A JPS57500907A (xx) 1980-07-01 1981-06-29
PCT/SE1981/000194 WO1982000230A1 (en) 1980-07-01 1981-06-29 Arrangement for adjusting an adaptive digital balance filter included in a subscriber unit
DE8181901891T DE3162279D1 (en) 1980-07-01 1981-06-29 Arrangement for adjusting an adaptive digital balance filter included in a subscriber unit
ES503541A ES503541A0 (es) 1980-07-01 1981-06-30 Una disposicion para ajustar un filtro digital adaptativo deequilibrado incluido en cada unidad de una pluralidad de unidades de abonado
AR285937A AR226904A1 (es) 1980-07-01 1981-06-30 Una disposicion para ajuste de un filtro de balance digital de adaptacion,incluido en unidades de subscriptor conectadas a un intercambiador telefonico
YU1634/81A YU42573B (en) 1980-07-01 1981-07-01 Assembly for adjusting an adaptive digital balance filter in a subscriber unit
GR65414A GR82632B (xx) 1980-07-01 1981-07-02
DK087582A DK150435C (da) 1980-07-01 1982-02-26 Kredsloeb til indstilling af adaptivt digitalt balancefilter, der indgaar i en abonnentenhed
NO820625A NO152529C (no) 1980-07-01 1982-02-26 Anordning for innstilling av et adaptivt digitalt balansefilter inngaaende i en abonnentenhet
FI822335A FI65151C (fi) 1980-07-01 1982-06-30 Anordning foer instaellning av ett adaptivt digitalt balansfilter ingaoende i en abonnentenhet
US06/653,609 US5305378A (en) 1980-01-07 1984-09-21 Arrangement for adjusting an adaptive digital filter included in a subscriber unit
MY574/85A MY8500574A (en) 1980-07-01 1985-12-30 Arrangement for adjusting an adaptive digital balance filter included in a subscriber unit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8004848A SE419924B (sv) 1980-07-01 1980-07-01 Anordning for instellning av ett adaptivt digitalt balansfilter ingaende i en abonnentenhet

Publications (1)

Publication Number Publication Date
SE419924B true SE419924B (sv) 1981-08-31

Family

ID=20341344

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8004848A SE419924B (sv) 1980-01-07 1980-07-01 Anordning for instellning av ett adaptivt digitalt balansfilter ingaende i en abonnentenhet

Country Status (21)

Country Link
EP (1) EP0055279B1 (xx)
JP (1) JPS57500907A (xx)
KR (1) KR840002490B1 (xx)
AR (1) AR226904A1 (xx)
BR (1) BR8108897A (xx)
CA (1) CA1170382A (xx)
DE (1) DE3162279D1 (xx)
DK (1) DK150435C (xx)
ES (1) ES503541A0 (xx)
FI (1) FI65151C (xx)
GR (1) GR82632B (xx)
HU (1) HU192075B (xx)
IE (1) IE51865B1 (xx)
IN (1) IN155930B (xx)
IT (1) IT1137952B (xx)
MX (1) MX149625A (xx)
MY (1) MY8500574A (xx)
NO (1) NO152529C (xx)
SE (1) SE419924B (xx)
WO (1) WO1982000230A1 (xx)
YU (1) YU42573B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3409877A1 (de) * 1984-03-17 1985-09-19 Neumann Elektronik GmbH, 4330 Mülheim Einrichtung zur optimalen anpassung einer gabelschaltung an eine fernmeldeleitung
DE3440591C2 (de) * 1984-11-07 1987-01-02 Neumann Elektronik GmbH, 4330 Mülheim Einrichtung zur optimalen Anpassung einer Gabelschaltung an eine Fernmeldeleitung
IT1259009B (it) * 1992-07-24 1996-03-11 Italtel Telematica Metodo e dispositivo per l'adattamento delle impedenze della terminazione di utente e dell'attacco di utente alla impedenza caratteristica della linea telefonica di utente
DE19921850A1 (de) * 1999-05-11 2000-11-16 Bosch Gmbh Robert Verfahren zur Fehlersuche bei analogen Teilnehmeranschlüssen

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3982080A (en) * 1975-01-16 1976-09-21 Bell Telephone Laboratories, Incorporated Automatic cable balancing network
JPS5248949A (en) * 1975-10-17 1977-04-19 Nippon Hoso Kyokai <Nhk> Line impedance matching unit

Also Published As

Publication number Publication date
IN155930B (xx) 1985-03-23
DK150435C (da) 1988-01-04
FI65151C (fi) 1984-03-12
IT1137952B (it) 1986-09-10
JPS57500907A (xx) 1982-05-20
EP0055279B1 (en) 1984-02-15
GR82632B (xx) 1985-02-07
AR226904A1 (es) 1982-08-31
CA1170382A (en) 1984-07-03
MY8500574A (en) 1985-12-31
DK87582A (da) 1982-02-26
NO152529C (no) 1985-10-09
KR840002490B1 (ko) 1984-12-31
FI822335L (fi) 1982-06-30
ES8301401A1 (es) 1982-11-16
YU42573B (en) 1988-10-31
HU192075B (en) 1987-05-28
DK150435B (da) 1987-02-23
WO1982000230A1 (en) 1982-01-21
BR8108897A (pt) 1982-10-26
DE3162279D1 (en) 1984-03-22
YU163481A (en) 1983-06-30
FI822335A0 (fi) 1982-06-30
NO152529B (no) 1985-07-01
IT8122609A0 (it) 1981-06-26
MX149625A (es) 1983-12-02
KR830007016A (ko) 1983-10-12
IE811267L (en) 1982-01-01
ES503541A0 (es) 1982-11-16
NO820625L (no) 1982-02-26
EP0055279A1 (en) 1982-07-07
IE51865B1 (en) 1987-04-15
FI65151B (fi) 1983-11-30

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