AT209964B - Circuit arrangement for the concentration of traffic in switching devices of telecommunication systems, in particular telephone systems - Google Patents

Circuit arrangement for the concentration of traffic in switching devices of telecommunication systems, in particular telephone systems

Info

Publication number
AT209964B
AT209964B AT150059A AT150059A AT209964B AT 209964 B AT209964 B AT 209964B AT 150059 A AT150059 A AT 150059A AT 150059 A AT150059 A AT 150059A AT 209964 B AT209964 B AT 209964B
Authority
AT
Austria
Prior art keywords
systems
traffic
concentration
circuit arrangement
switching devices
Prior art date
Application number
AT150059A
Other languages
German (de)
Original Assignee
Int Standard Electric Corp
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 Int Standard Electric Corp filed Critical Int Standard Electric Corp
Application granted granted Critical
Publication of AT209964B publication Critical patent/AT209964B/en

Links

AT150059A 1938-06-07 1959-02-26 Circuit arrangement for the concentration of traffic in switching devices of telecommunication systems, in particular telephone systems AT209964B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE209964X 1938-06-07

Publications (1)

Publication Number Publication Date
AT209964B true AT209964B (en) 1960-07-11

Family

ID=5795042

Family Applications (1)

Application Number Title Priority Date Filing Date
AT150059A AT209964B (en) 1938-06-07 1959-02-26 Circuit arrangement for the concentration of traffic in switching devices of telecommunication systems, in particular telephone systems

Country Status (2)

Country Link
AT (1) AT209964B (en)
CH (1) CH209964A (en)

Also Published As

Publication number Publication date
CH209964A (en) 1940-05-31

Similar Documents

Publication Publication Date Title
CH214838A (en) Switching device.
FR852275A (en) Electrical switching devices
CH252653A (en) Circuit arrangement in telecommunications systems.
CH225043A (en) Thermal switching relay for switching tariff devices in particular.
CH222392A (en) Telephone set circuit.
CH232245A (en) Circuit arrangement in telecommunications offices.
CH233692A (en) Circuit arrangement in telecommunication systems, in particular telephone systems.
DK58089C (en) Cordless Switchboard for manually operated Telephone systems.
CH315053A (en) Circuit arrangement in telecommunication systems, in particular telephone systems
CH225671A (en) Circuit arrangement in telephone systems, in particular private branch exchanges, with several centers.
CH213670A (en) AC magnets, in particular for electroacoustic devices.
FR844645A (en) Switching devices
CH218528A (en) Telephone subscriber station.
DK63185C (en) Switches of the type used in automatic telephone systems.
DK62991C (en) Switches of the type used in automatic telephone systems.
CH238418A (en) Switching device, in particular for telecommunications installation.
CH217864A (en) Device for switching off direct current lines, in particular direct current high-voltage lines.
DK60092C (en) Call switch for Carrier Frequency Terminal Blocks.
CH214510A (en) Switching device in telecommunications systems, in particular in telephone systems.
CH225673A (en) Circuit arrangement for switching off branch points in telephone systems with connecting lines equipped with several branch points.
CH236317A (en) Repeater circuit for telecommunications installations.
CH231803A (en) Circuit arrangement in telephone systems with preset mixed selectors.
FR857025A (en) Switching system
ES149511A1 (en) TELEPHONE GROUP CIRCUITS
CH224822A (en) Switching device.