AT70847B - Circuit arrangement for telephone systems with automatic or semi-automatic operation and group stations. - Google Patents

Circuit arrangement for telephone systems with automatic or semi-automatic operation and group stations.

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Publication number
AT70847B
AT70847B AT70847DA AT70847B AT 70847 B AT70847 B AT 70847B AT 70847D A AT70847D A AT 70847DA AT 70847 B AT70847 B AT 70847B
Authority
AT
Austria
Prior art keywords
automatic
semi
circuit arrangement
telephone systems
automatic operation
Prior art date
Application number
Other languages
German (de)
Original Assignee
Siemens Ag
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 Siemens Ag filed Critical Siemens Ag
Application granted granted Critical
Publication of AT70847B publication Critical patent/AT70847B/en

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  • Exchange Systems With Centralized Control (AREA)

Description

  

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  Schaltungsanordnung für Fernsprechanlagen   mit selbsttätigem   oder halbselbsttätigem
Betrieb und Gruppenstellen. 



   In den bisher bekannten Ferusprechanlagen für   selbsttätigen     und   halbselbsttätigen Betrieb sind die sogenannten Leitungswähler meistens für hundert   oder mehr Teilnehmeranschlüsse   durchgebildet worden, so dass bei der Unterteilung der Leitungsnetze als kleinste Gruppen Hundertergruppen in Frage kommen. Es sind auch. schon andere Vorschläge gemacht worden, doch beziehen sich diese sämtlich auf einen unbeschränkten Verkehr, d. h. auf Einrichtungen, in welchen der Teilnehmer jederzeit, wenn er anruft, eine freie Verbindungsleitung finden soll. Es ist bekannt, dass je grösser die Gruppen sind, welchen die gemeinschaftlichen Verbindungsleitungen zugeordnet werden, desto kleiner die Anzahl der Verbindungsleitungen verhältnismässig gewählt werden kann. 



   Nun gibt es auch schon Einrichtungen, bei weichen ein beschränkter Verkehr zugelassen werden soll, diese Einrichtungen pflegt man   als #Gruppenstellen" zu bezeichnen :   dabei sind z. B. fünf Teilnehmerleitungen auf eine einzige Amtsleitung oder zehn Teilnehmerleitungen auf zwei Amtsleitungen angewiesen. In der Praxis erscheinen die Gruppen von je zehn Teilnehmerleitungen und zwei Amtsverbindungsleitungen am häufigsten. 
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 stellen.

   Es soll dabei insbesondere ohne Beeinträchtigung der   Aufnahmefähigkeit   des gewählten Systems (Dreiziffern-, Vierziffern-, Fünfziffernsystem mit erstem, erstem und zweitem oder erstem, zweitem und drittem   Gruppenwähler)   und ohne   Vergrösserung   der entsprechenden Ziffernzahl für die Teilnehmerrufnummern in der   NetzullterteihU1g   bis auf Zehnergruppen gegangen werden und damit der Bedarf an Leitungskupfer den Verkehrsverhältnissen noch erheblich enger 
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 Drehschalter zerlegt, wovon der letzte als   Leitungswähler   der Gruppenstelle zu bezeichnen ist. 



   Auf der Zeichnung stellen die beiden Figure beispielsweise zwei Ausführungsformen der neuen Schaltungsanordnung schematisch dar. 



   In der Anordnung nach Fig. l stellt   A   einen anrufenden Teilnehmer dar, N2 einen an- 
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 gerufen werden, für derartige Rufe sind die   Eiuzelsehaltullgen   der Wähler S und L besonders auszubilden. 



   In Fig. 2 ist eine Schaltung dargestellt für die Herstellung einer Verbindung von einem 
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 mit einer Impulsgabe, bei welcher während des Ablaufens der   Nummernscheibe   die   b-Leitung   an Erde liegt und   die a-Leitung abwechselnd an   Erde geschaltet und davon isoliert wird. 

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  Circuit arrangement for telephone systems with automatic or semi-automatic
Operation and group positions.



   In the previously known Ferus speech systems for automatic and semi-automatic operation, the so-called line selectors have mostly been designed for a hundred or more subscriber connections, so that hundreds of groups come into question as the smallest groups when the line networks are subdivided. There are too. Other suggestions have already been made, but all of them relate to unrestricted traffic, i.e. H. to facilities in which the subscriber should find a free connection line at any time when he calls. It is known that the larger the groups to which the common connecting lines are assigned, the smaller the number of connecting lines that can be selected proportionally.



   There are already facilities where restricted traffic is to be permitted, these facilities are usually referred to as #Group stations: for example, five subscriber lines are dependent on a single exchange line or ten subscriber lines rely on two exchange lines. In practice The groups of ten subscriber lines and two trunk lines appear most frequently.
 EMI1.1
 put.

   In particular, it should go up to groups of ten without impairing the capacity of the selected system (three-digit, four-digit, five-digit system with first, first and second or first, second and third group dialers) and without increasing the corresponding number of digits for the subscriber numbers in the network number and thus the need for copper wire is much closer to the traffic conditions
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 Rotary switch dismantled, the last of which is to be referred to as the line selector of the group station.



   In the drawing, the two figures show, for example, two embodiments of the new circuit arrangement schematically.



   In the arrangement according to Fig. 1, A represents a calling subscriber, N2 a calling
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 are called, for such calls the Eiuzelsehaltullgen of voters S and L must be specially trained.



   In Fig. 2 there is shown a circuit for establishing a connection from one
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 with an impulse in which the b-line is connected to earth while the dial is running and the a-line is alternately connected to earth and isolated from it.

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AT70847D 1913-10-10 1914-10-06 Circuit arrangement for telephone systems with automatic or semi-automatic operation and group stations. AT70847B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE70847X 1913-10-10

Publications (1)

Publication Number Publication Date
AT70847B true AT70847B (en) 1916-01-10

Family

ID=5635595

Family Applications (1)

Application Number Title Priority Date Filing Date
AT70847D AT70847B (en) 1913-10-10 1914-10-06 Circuit arrangement for telephone systems with automatic or semi-automatic operation and group stations.

Country Status (1)

Country Link
AT (1) AT70847B (en)

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