CH232003A - Circuit arrangement for establishing connections in telephone networks with several offices behind one another. - Google Patents

Circuit arrangement for establishing connections in telephone networks with several offices behind one another.

Info

Publication number
CH232003A
CH232003A CH232003DA CH232003A CH 232003 A CH232003 A CH 232003A CH 232003D A CH232003D A CH 232003DA CH 232003 A CH232003 A CH 232003A
Authority
CH
Switzerland
Prior art keywords
behind
another
circuit arrangement
telephone networks
establishing connections
Prior art date
Application number
Other languages
German (de)
Inventor
Fides Gesellschaft Beschraenk
Original Assignee
Fides Gmbh
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 Fides Gmbh filed Critical Fides Gmbh
Publication of CH232003A publication Critical patent/CH232003A/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
CH232003D 1942-02-11 1943-02-03 Circuit arrangement for establishing connections in telephone networks with several offices behind one another. CH232003A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE232003X 1942-02-11

Publications (1)

Publication Number Publication Date
CH232003A true CH232003A (en) 1944-04-30

Family

ID=5878717

Family Applications (1)

Application Number Title Priority Date Filing Date
CH232003D CH232003A (en) 1942-02-11 1943-02-03 Circuit arrangement for establishing connections in telephone networks with several offices behind one another.

Country Status (2)

Country Link
CH (1) CH232003A (en)
FR (1) FR891467A (en)

Also Published As

Publication number Publication date
FR891467A (en) 1944-03-08

Similar Documents

Publication Publication Date Title
CH252653A (en) Circuit arrangement in telecommunications systems.
CH250408A (en) Circuit for generating sudden changes in an electrical quantity.
CH283265A (en) Automatic telephone switchboard.
CH232003A (en) Circuit arrangement for establishing connections in telephone networks with several offices behind one another.
CH210688A (en) Device on telephone sets with microtelephones.
CH276282A (en) Telecommunications exchange system.
CH233692A (en) Circuit arrangement in telecommunication systems, in particular telephone systems.
CH237705A (en) Circuit arrangement for the matching setting of locally separated switchgear in telecommunications, in particular telephone systems with main and sub-offices.
CH241312A (en) Telephone set.
CH231156A (en) Circuit arrangement in telephone systems with connecting lines equipped with several branch points.
CH258467A (en) Circuit arrangement for establishing connections in automatic telecommunications network groups.
CH245547A (en) Circuit arrangement in telephone systems with several exchanges.
CH244726A (en) Circuit arrangement in telephone subscriber sets.
CH225671A (en) Circuit arrangement in telephone systems, in particular private branch exchanges, with several centers.
CH236137A (en) Circuit arrangement in telephone networks with several exchanges in series.
CH228350A (en) Circuit arrangement for counting connections of different values in telecommunications, in particular telephone systems.
CH245548A (en) Circuit arrangement in telephone systems with several exchanges and rerouting of connections.
CH238420A (en) Test circuitry in electrical telecommunications systems.
CH295849A (en) Telecommunications installation.
CH240685A (en) Subscriber call facility in electro-acoustic transmission systems.
CH243484A (en) Circuit arrangement in telephone systems with several exchanges in series.
CH237098A (en) Circuit arrangement in telephone systems with several exchanges in series.
CH235881A (en) Telecommunication system used to establish connections.
CH226576A (en) Circuit arrangement for counting connections of different values in telecommunications, in particular telephone systems.
CH241318A (en) Circuit arrangement in telephone systems with coin tellers for network group traffic.