ES8301401A1 - Una disposicion para ajustar un filtro digital adaptativo deequilibrado incluido en cada unidad de una pluralidad de unidades de abonado - Google Patents
Una disposicion para ajustar un filtro digital adaptativo deequilibrado incluido en cada unidad de una pluralidad de unidades de abonadoInfo
- Publication number
- ES8301401A1 ES8301401A1 ES503541A ES503541A ES8301401A1 ES 8301401 A1 ES8301401 A1 ES 8301401A1 ES 503541 A ES503541 A ES 503541A ES 503541 A ES503541 A ES 503541A ES 8301401 A1 ES8301401 A1 ES 8301401A1
- Authority
- ES
- Spain
- Prior art keywords
- subscriber unit
- unit
- filter
- balance filter
- adjusting
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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)
Abstract
UNIDAD SELECTORA PARA AJUSTAR UN FILTRO DE EQUILIBRADO DIGITAL QUE ESTA INCLUIDO EN UNA UNIDAD DE ABONADO CONECTADA A UNA CENTRAL TELEFONICA. ESTA FORMADA POR UN GENERADOR DE SEÑAL (TS) QUE EMITE UNA SEÑAL PERIODICA DE PRUEBA; POR UN GRUPO DE FILTROS DIGITALES (BL A BN) CONECTADOS EN PARALELO; POR UNA SERIE DE CIRCUITOS SUMADORES (SL A SN) POR UNA UNIDAD DE MEDIDA (M) Y POR UNA MEMORIA (KM) CON LA QUE, DEPENDIENDO DE LA SEÑAL OBTENIDA EN EL CIRCUITO DE MEDIDA, SE TRANSMITEN SEÑALES AL FILTRO DE EQUILIBRADO (B).
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 (2)
Publication Number | Publication Date |
---|---|
ES503541A0 ES503541A0 (es) | 1982-11-16 |
ES8301401A1 true ES8301401A1 (es) | 1982-11-16 |
Family
ID=20341344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES503541A Expired ES8301401A1 (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 |
Country Status (21)
Country | Link |
---|---|
EP (1) | EP0055279B1 (es) |
JP (1) | JPS57500907A (es) |
KR (1) | KR840002490B1 (es) |
AR (1) | AR226904A1 (es) |
BR (1) | BR8108897A (es) |
CA (1) | CA1170382A (es) |
DE (1) | DE3162279D1 (es) |
DK (1) | DK150435C (es) |
ES (1) | ES8301401A1 (es) |
FI (1) | FI65151C (es) |
GR (1) | GR82632B (es) |
HU (1) | HU192075B (es) |
IE (1) | IE51865B1 (es) |
IN (1) | IN155930B (es) |
IT (1) | IT1137952B (es) |
MX (1) | MX149625A (es) |
MY (1) | MY8500574A (es) |
NO (1) | NO152529C (es) |
SE (1) | SE419924B (es) |
WO (1) | WO1982000230A1 (es) |
YU (1) | YU42573B (es) |
Families Citing this family (4)
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 |
DE3440591A1 (de) * | 1984-11-07 | 1986-05-22 | 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)
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 |
-
1980
- 1980-07-01 SE SE8004848A patent/SE419924B/sv not_active IP Right Cessation
-
1981
- 1981-05-16 IN IN307/DEL/81A patent/IN155930B/en unknown
- 1981-06-08 CA CA000379210A patent/CA1170382A/en not_active Expired
- 1981-06-08 IE IE1267/81A patent/IE51865B1/en not_active IP Right Cessation
- 1981-06-09 KR KR1019810002056A patent/KR840002490B1/ko active
- 1981-06-17 MX MX187858A patent/MX149625A/es unknown
- 1981-06-26 IT IT22609/81A patent/IT1137952B/it active
- 1981-06-29 DE DE8181901891T patent/DE3162279D1/de not_active Expired
- 1981-06-29 EP EP81901891A patent/EP0055279B1/en not_active Expired
- 1981-06-29 BR BR8108897A patent/BR8108897A/pt not_active IP Right Cessation
- 1981-06-29 HU HU813228A patent/HU192075B/hu not_active IP Right Cessation
- 1981-06-29 JP JP56502314A patent/JPS57500907A/ja active Pending
- 1981-06-29 WO PCT/SE1981/000194 patent/WO1982000230A1/en active IP Right Grant
- 1981-06-30 AR AR285937A patent/AR226904A1/es active
- 1981-06-30 ES ES503541A patent/ES8301401A1/es not_active Expired
- 1981-07-01 YU YU1634/81A patent/YU42573B/xx unknown
- 1981-07-02 GR GR65414A patent/GR82632B/el unknown
-
1982
- 1982-02-26 DK DK087582A patent/DK150435C/da not_active IP Right Cessation
- 1982-02-26 NO NO820625A patent/NO152529C/no unknown
- 1982-06-30 FI FI822335A patent/FI65151C/sv not_active IP Right Cessation
-
1985
- 1985-12-30 MY MY574/85A patent/MY8500574A/xx unknown
Also Published As
Publication number | Publication date |
---|---|
AR226904A1 (es) | 1982-08-31 |
MX149625A (es) | 1983-12-02 |
MY8500574A (en) | 1985-12-31 |
IT1137952B (it) | 1986-09-10 |
JPS57500907A (es) | 1982-05-20 |
NO152529B (no) | 1985-07-01 |
FI65151B (fi) | 1983-11-30 |
YU42573B (en) | 1988-10-31 |
GR82632B (es) | 1985-02-07 |
IN155930B (es) | 1985-03-23 |
SE419924B (sv) | 1981-08-31 |
EP0055279A1 (en) | 1982-07-07 |
FI822335L (fi) | 1982-06-30 |
FI822335A0 (fi) | 1982-06-30 |
WO1982000230A1 (en) | 1982-01-21 |
KR840002490B1 (ko) | 1984-12-31 |
CA1170382A (en) | 1984-07-03 |
BR8108897A (pt) | 1982-10-26 |
DK150435B (da) | 1987-02-23 |
IE51865B1 (en) | 1987-04-15 |
IT8122609A0 (it) | 1981-06-26 |
EP0055279B1 (en) | 1984-02-15 |
ES503541A0 (es) | 1982-11-16 |
DE3162279D1 (en) | 1984-03-22 |
NO152529C (no) | 1985-10-09 |
DK87582A (da) | 1982-02-26 |
NO820625L (no) | 1982-02-26 |
FI65151C (fi) | 1984-03-12 |
HU192075B (en) | 1987-05-28 |
YU163481A (en) | 1983-06-30 |
IE811267L (en) | 1982-01-01 |
DK150435C (da) | 1988-01-04 |
KR830007016A (ko) | 1983-10-12 |
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