AT116647B - Circuit arrangement for private branch exchanges. - Google Patents

Circuit arrangement for private branch exchanges.

Info

Publication number
AT116647B
AT116647B AT116647DA AT116647B AT 116647 B AT116647 B AT 116647B AT 116647D A AT116647D A AT 116647DA AT 116647 B AT116647 B AT 116647B
Authority
AT
Austria
Prior art keywords
circuit arrangement
private branch
arrangement according
branch exchanges
loop
Prior art date
Application number
Other languages
German (de)
Inventor
Hans Ing Tatzl
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 AT116647B publication Critical patent/AT116647B/en

Links

Landscapes

  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



  Schaltungsanordnung für Nebenstellenzentralen. 
 EMI1.1 
 

 <Desc/Clms Page number 2> 

 
 EMI2.1 




   <Desc / Clms Page number 1>
 



  Circuit arrangement for private branch exchanges.
 EMI1.1
 

 <Desc / Clms Page number 2>

 
 EMI2.1


 

Claims (1)

<Desc/Clms Page number 3> EMI3.1 mehrere Wicklungen besitzt, von denen eine in der Verbindungsschleife liegt. <Desc / Clms Page number 3> EMI3.1 has several windings, one of which is in the connecting loop. 4. Schaltungsanordnung nach Anspruch 3, dadurch gekennzeichnet, dass das Hilfsrelais (S) eine Abfallverzögerung erhält, um während vorübergehender Schleifenunterbrechung, z. B. bei den Wahlimpulsen, erregt zu bleiben. 4. Circuit arrangement according to claim 3, characterized in that the auxiliary relay (S) receives a drop-out delay in order to during temporary loop interruption, for. B. in the election pulses to stay excited. 5. Schaltungsanordnung nach Anspruch 1, dadurch gekennzeichnet, dass ein beim Schliessen der Schleife über die Nebenstellenteilnehmer erregtes Relais (H) den Anreizstromkreis für das Hilfsrelais (S) einschaltet. 5. Circuit arrangement according to claim 1, characterized in that a relay (H) excited when the loop closes via the extension participant switches on the stimulus circuit for the auxiliary relay (S). 6. Sehaltungsanordnung nach Anspruch 5, dadurch gekennzeichnet, dass das den Anruf der Neben- EMI3.2 EMI3.3 6. Sehaltung arrangement according to claim 5, characterized in that the call of the secondary EMI3.2 EMI3.3
AT116647D 1928-08-02 1928-08-02 Circuit arrangement for private branch exchanges. AT116647B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT116647T 1928-08-02

Publications (1)

Publication Number Publication Date
AT116647B true AT116647B (en) 1930-03-10

Family

ID=3629999

Family Applications (1)

Application Number Title Priority Date Filing Date
AT116647D AT116647B (en) 1928-08-02 1928-08-02 Circuit arrangement for private branch exchanges.

Country Status (1)

Country Link
AT (1) AT116647B (en)

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