AT66862B - Telephone system for two-way communication on three wires. - Google Patents

Telephone system for two-way communication on three wires.

Info

Publication number
AT66862B
AT66862B AT66862DA AT66862B AT 66862 B AT66862 B AT 66862B AT 66862D A AT66862D A AT 66862DA AT 66862 B AT66862 B AT 66862B
Authority
AT
Austria
Prior art keywords
wires
telephone system
way communication
coils
speech
Prior art date
Application number
Other languages
German (de)
Inventor
Hermann Tietgen
Original Assignee
Hermann Tietgen
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 Hermann Tietgen filed Critical Hermann Tietgen
Application granted granted Critical
Publication of AT66862B publication Critical patent/AT66862B/en

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  • Monitoring And Testing Of Transmission In General (AREA)

Description

  

   <Desc/Clms Page number 1> 
 



    FernsprechanlaQe   für   Doppetsprechen   auf drei Drähten. 
 EMI1.1 
 spulen ausgebaut sind, zu einem dritten Sprechstromkreis usw. Auch hat man schon drei Drähte zu zwei Sprechstromkreisen verbunden. Dies ist jedoch bisher nur bei Freileitungen geschehen. 



  Eine Anwendung des Dreileitersystems auf Fernsprechkabel hat bisher nicht stattgefunden. 



   Die Grundlage des Erfindungsgegenstandes bildet nun die durch Berechnung und vielfache Versuche erwiesene Tatsache, dass das Dreileitersvstem sich auf Fernsprechkabel dann allgemein anwenden lässt, wenn die Adern zu dreien sorgfältig verseilt, wenn also durch Ver- 
 EMI1.2 
 Übertrager verwendet werden, die zu Doppelsprechspulen ausgebaut sind (Fig. 3). 



   In den Figuren bedeuten 1 und 2 die Sprechapparate des Stromkreises   alb, 3 und 4 die-   jenigen des Stromkreises c/a b. I und II sind Doppelsprechspulen. 



   Neu ist demnach die Anwendung des Dreileitersvtsems auf Fernsprechkabel und der Nachweis, dass in Drillingskabelll sowohl die Stromkreise der einzelnen Gruppen unter sich als auch 
 EMI1.3 
 den c-Leitern einen geringeren Querschnitt zu geben. 

**WARNUNG** Ende DESC Feld kannt Anfang CLMS uberlappen**.



   <Desc / Clms Page number 1>
 



    Telephone system for two-way communication on three wires.
 EMI1.1
 coils are expanded, to a third speech circuit, etc. Three wires have already been connected to form two speech circuits. So far, however, this has only happened with overhead lines.



  An application of the three-wire system to telephone cables has not yet taken place.



   The basis of the subject matter of the invention now forms the fact, which has been proven through calculations and multiple tests, that the three-wire system can generally be applied to telephone cables when the cores are carefully stranded into three, i.e.
 EMI1.2
 Transformers are used, which are expanded to double voice coils (Fig. 3).



   In the figures, 1 and 2 denote the speech sets of the circuit alb, 3 and 4 denote those of the circuit c / a b. I and II are dual coils.



   What is new is the application of the three-wire system to telephone cables and the proof that in triplet cables both the circuits of the individual groups among themselves as well as
 EMI1.3
 to give the c-conductors a smaller cross-section.

** WARNING ** End of DESC field may overlap beginning of CLMS **.

 

Claims (1)

PATENT-ANSPRUCH : Fernsprechanlage für Doppelsprechen auf drei Drähten unter Benutzung von Doppelspreehspulen oder zu solchen ausgebauten Übertragern, dadurch gekennzeichnet, dass zwei Fern- EMI1.4 EMI1.5 **WARNUNG** Ende CLMS Feld Kannt Anfang DESC uberlappen**. PATENT CLAIM: Telephone system for double speech on three wires using double speech coils or transformers expanded to such, characterized in that two telephones EMI1.4 EMI1.5 ** WARNING ** End of CLMS field may overlap beginning of DESC **.
AT66862D 1913-06-26 1913-06-26 Telephone system for two-way communication on three wires. AT66862B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT66862T 1913-06-26

Publications (1)

Publication Number Publication Date
AT66862B true AT66862B (en) 1914-10-26

Family

ID=3588775

Family Applications (1)

Application Number Title Priority Date Filing Date
AT66862D AT66862B (en) 1913-06-26 1913-06-26 Telephone system for two-way communication on three wires.

Country Status (1)

Country Link
AT (1) AT66862B (en)

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