ES8502590A1 - Un detector de llamada para centralitas privadas con marcacion de entrada directa - Google Patents
Un detector de llamada para centralitas privadas con marcacion de entrada directaInfo
- Publication number
- ES8502590A1 ES8502590A1 ES530057A ES530057A ES8502590A1 ES 8502590 A1 ES8502590 A1 ES 8502590A1 ES 530057 A ES530057 A ES 530057A ES 530057 A ES530057 A ES 530057A ES 8502590 A1 ES8502590 A1 ES 8502590A1
- Authority
- ES
- Spain
- Prior art keywords
- exchange
- direct dialling
- wire
- dialling
- direct
- 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
- H04M—TELEPHONIC COMMUNICATION
- H04M7/00—Arrangements for interconnection between switching centres
- H04M7/0096—Trunk circuits
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Interface Circuits In Exchanges (AREA)
- Sub-Exchange Stations And Push- Button Telephones (AREA)
Abstract
DETECTOR DE LLAMADA PARA CENTRALITAS PRIVADAS CON MARCACION DE ENTRADA DIRECTA.COMPRENDE AL MENOS UN CIRCUITO DE ENLACE EXTERIOR DE MARCACION DE ENTRADA DIRECTA CONECTADO A UN CIRCUITO DE MARCACION DE ENTRADA DIRECTA DE UNA CENTRAL POR UN ENLACE A ESTA DE DOS HILOS, QUE CONSTA DE UN CONVERTIDOR ANALOGICO-DIGITAL (ADW) CONECTADO AL HILO A Y AL HILO B DEL ENLACE A LA CENTRAL (AL) Y UN CIRCUITO DE EVALUACION DIGITAL (AWS) QUE EVALUA LAS SEN/ALES DE SALIDA DEL CONVERTIDOR ANALOGICO-DIGITAL (ADW). LA ENTRADA DEL CONVERTIDOR ANALOGICO-DIGITAL (ADW) SE CONECTA A LOS HILOS DE A Y B DE DOS O MAS CIRCUITOS DE ENLACE EXTERIOR DE MARCACION DE ENTRADA DIRECTA A TRAVES DE UN MULTIPLEXOR ANALOGICO (AMUX).
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19833306884 DE3306884A1 (de) | 1983-02-26 | 1983-02-26 | Signalisierungsdetektor fuer fernsprech-nebenstellenanlagen mit durchwahl |
Publications (2)
Publication Number | Publication Date |
---|---|
ES8502590A1 true ES8502590A1 (es) | 1984-11-01 |
ES530057A0 ES530057A0 (es) | 1984-11-01 |
Family
ID=6191981
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES530057A Granted ES530057A0 (es) | 1983-02-26 | 1984-02-25 | Un detector de llamada para centralitas privadas con marcacion de entrada directa |
Country Status (2)
Country | Link |
---|---|
DE (1) | DE3306884A1 (es) |
ES (1) | ES530057A0 (es) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3343646A1 (de) * | 1983-12-02 | 1985-06-13 | Standard Elektrik Lorenz Ag, 7000 Stuttgart | Schaltungsanordnung zum erkennen und auswerten von wechselspannungssignalen auf amtsadern |
DE4008450A1 (de) * | 1990-03-16 | 1991-09-19 | Telefonbau & Normalzeit Gmbh | Schaltungsanordnung zur signal- und informationsumsetzung zwischen analog betriebenen verbindungsleitungen und digital betriebenen anschlussorganen in kommunikations-vermittlungsanlagen |
KR950012585B1 (ko) * | 1992-05-09 | 1995-10-19 | 삼성전자주식회사 | 양방향 다이얼링 트렁크 인터페이싱회로 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2812984A1 (de) * | 1978-03-23 | 1979-10-04 | Siemens Ag | Schaltungsanordnung fuer fernmeldevermittlungsanlagen, insbesondere fernsprechvermittlungsanlagen, mit schalteinrichtungen mit indikationsstellen und mit gemeinsamen abfrageeinrichtungen |
-
1983
- 1983-02-26 DE DE19833306884 patent/DE3306884A1/de not_active Withdrawn
-
1984
- 1984-02-25 ES ES530057A patent/ES530057A0/es active Granted
Also Published As
Publication number | Publication date |
---|---|
ES530057A0 (es) | 1984-11-01 |
DE3306884A1 (de) | 1984-08-30 |
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