ES2096603T3 - Circuito de conexion de abonados para la conexion de una linea de conexion de abonado para la transmision de señales analogicas de abonado a una central telefonica digital multiplex de division de tiempo. - Google Patents
Circuito de conexion de abonados para la conexion de una linea de conexion de abonado para la transmision de señales analogicas de abonado a una central telefonica digital multiplex de division de tiempo.Info
- Publication number
- ES2096603T3 ES2096603T3 ES91112036T ES91112036T ES2096603T3 ES 2096603 T3 ES2096603 T3 ES 2096603T3 ES 91112036 T ES91112036 T ES 91112036T ES 91112036 T ES91112036 T ES 91112036T ES 2096603 T3 ES2096603 T3 ES 2096603T3
- Authority
- ES
- Spain
- Prior art keywords
- subscriber
- connection
- wire
- transmission
- time division
- 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 - Lifetime
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04M—TELEPHONIC COMMUNICATION
- H04M19/00—Current supply arrangements for telephone systems
- H04M19/001—Current supply source at the exchanger providing current to substations
- H04M19/005—Feeding arrangements without the use of line transformers
-
- 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
- H04M3/00—Automatic or semi-automatic exchanges
- H04M3/005—Interface circuits for subscriber lines
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Power Engineering (AREA)
- Interface Circuits In Exchanges (AREA)
- Time-Division Multiplex Systems (AREA)
- Use Of Switch Circuits For Exchanges And Methods Of Control Of Multiplex Exchanges (AREA)
Abstract
EL ACOPLAMIENTO DE UNA LINEA DE CONEXION DEL ABONADO SE REALIZA DE FORMA CAPACITIVA (C, K). EN EL INTERRUPTOR DEL PUESTO DE CORTE DE LA LINEA DEL ABONADO (SLIC) DEL INTERRUPTOR DE CONEXION, ESTA FORMADO UN CAMINO DE ACOPLAMIENTO CORRESPONDIENTE AL ELEMENTO DE FILTRO F QUE VA DE LA SALIDA DE EMISION DE CUATRO CABLES HACIA LA ENTRADA DE RECEPCION DE LOS CUATRO CABLES, MEDIANTE EL CUAL SE ACCIONA UN AJUSTE BASE DE LA IMPEDANCIA DE DOS CABLES, QUE ES MAYOR QUE LA IMPEDANCIA DEL PUENTE DE ALIMENTACION. ESTE AJUSTE BASE SE REFUERZA PARA ALCANZAR UN VALOR EXACTO CON LA AYUDA DE UN FILTRO PROGRAMABLE Z, B QUE SE UNE CON EL RAMO DE RECEPCION DE CUATRO CABLES AL RAMO DE EMISION DE CUATRO CABLES EN UNA PIEDRA DE CONSTRUCCION (SICOFI) JUNTO CON EL INTERRUPTOR DE INTERRUPCION DE CORTE (SLIC1) Y ADEMAS GARANTIZA QUE LA SEGUNDA IMPEDANCIA DEL CABLE TENGA UN VALOR COMPLEJO.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4022961 | 1990-07-19 | ||
DE4029819 | 1990-09-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2096603T3 true ES2096603T3 (es) | 1997-03-16 |
Family
ID=25895169
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES91112036T Expired - Lifetime ES2096603T3 (es) | 1990-07-19 | 1991-07-18 | Circuito de conexion de abonados para la conexion de una linea de conexion de abonado para la transmision de señales analogicas de abonado a una central telefonica digital multiplex de division de tiempo. |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP0467367B1 (es) |
AT (1) | ATE148605T1 (es) |
DE (1) | DE59108519D1 (es) |
ES (1) | ES2096603T3 (es) |
GR (1) | GR3022896T3 (es) |
PT (1) | PT98386B (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2097354A1 (en) * | 1992-08-06 | 1994-02-07 | Ian A. Schorr | Battery feed circuit |
WO2000042759A1 (de) * | 1999-01-15 | 2000-07-20 | Infineon Technologies Ag | Schaltungsanordnung zum bilden des abschlusses einer analogen teilnehmerleitung |
US6788784B1 (en) | 1999-01-15 | 2004-09-07 | Infineon Technologies Ag | Circuit arrangement for signaling in telecommunications networks |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA1154185A (en) * | 1981-01-23 | 1983-09-20 | Patrick R. Beirne | Subscriber line interface circuit |
EP0163298B1 (en) * | 1984-05-30 | 1992-09-30 | Hitachi, Ltd. | Pcm coder/decoder with two-wire/four-wire conversion |
US4661979A (en) * | 1985-09-24 | 1987-04-28 | Northern Telecom Limited | Fault protection for integrated subscriber line interface circuits |
EP0217130B1 (de) * | 1985-09-30 | 1992-04-08 | Siemens Aktiengesellschaft | Schaltungsanordnung für eine elektronische Schnittstellenschaltung |
-
1991
- 1991-07-18 ES ES91112036T patent/ES2096603T3/es not_active Expired - Lifetime
- 1991-07-18 DE DE59108519T patent/DE59108519D1/de not_active Expired - Fee Related
- 1991-07-18 EP EP91112036A patent/EP0467367B1/de not_active Expired - Lifetime
- 1991-07-18 AT AT91112036T patent/ATE148605T1/de not_active IP Right Cessation
- 1991-07-19 PT PT98386A patent/PT98386B/pt not_active IP Right Cessation
-
1997
- 1997-03-24 GR GR970400578T patent/GR3022896T3/el unknown
Also Published As
Publication number | Publication date |
---|---|
ATE148605T1 (de) | 1997-02-15 |
PT98386B (pt) | 1999-01-29 |
EP0467367B1 (de) | 1997-01-29 |
DE59108519D1 (de) | 1997-03-13 |
PT98386A (pt) | 1993-09-30 |
GR3022896T3 (en) | 1997-06-30 |
EP0467367A1 (de) | 1992-01-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
FG2A | Definitive protection |
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