AT232071B - Arrangement for the detection of incoming current pulses via telecommunication lines, in particular for the detection of the charges incurred in telephone exchange systems - Google Patents

Arrangement for the detection of incoming current pulses via telecommunication lines, in particular for the detection of the charges incurred in telephone exchange systems

Info

Publication number
AT232071B
AT232071B AT892260A AT892260A AT232071B AT 232071 B AT232071 B AT 232071B AT 892260 A AT892260 A AT 892260A AT 892260 A AT892260 A AT 892260A AT 232071 B AT232071 B AT 232071B
Authority
AT
Austria
Prior art keywords
detection
arrangement
current pulses
telephone exchange
exchange systems
Prior art date
Application number
AT892260A
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 AT232071B publication Critical patent/AT232071B/en

Links

AT892260A 1960-01-19 1960-11-30 Arrangement for the detection of incoming current pulses via telecommunication lines, in particular for the detection of the charges incurred in telephone exchange systems AT232071B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE232071X 1960-01-19

Publications (1)

Publication Number Publication Date
AT232071B true AT232071B (en) 1964-02-25

Family

ID=5879064

Family Applications (1)

Application Number Title Priority Date Filing Date
AT892260A AT232071B (en) 1960-01-19 1960-11-30 Arrangement for the detection of incoming current pulses via telecommunication lines, in particular for the detection of the charges incurred in telephone exchange systems

Country Status (1)

Country Link
AT (1) AT232071B (en)

Similar Documents

Publication Publication Date Title
BE597188A (en) Telephone switching system.
FR1245100A (en) Switching system for telephone communication
CH396998A (en) Circuit arrangement for telecommunications, in particular telephone systems, in which lines can be interconnected via switching matrices
OA00251A (en) Improvements to telecommunication systems.
DK105539C (en) Telephone subscriber device.
AT232071B (en) Arrangement for the detection of incoming current pulses via telecommunication lines, in particular for the detection of the charges incurred in telephone exchange systems
CH393435A (en) Telephone station
CH403873A (en) Circuit arrangement for testing lines in telecommunication systems, in particular telephone systems
FR1291469A (en) Time multiplex telephone communication system
BE618233R (en) Electronic Switched Telephone System
FR1276733A (en) Confidential telephony device
CH397785A (en) Relayless subscriber circuit for telecommunications, in particular telephone systems
CH403878A (en) Circuit arrangement for determining the call number of subscribers in telecommunications, in particular telephone systems
CH405432A (en) Telephone station
BE612811R (en) Electronic Switched Telephone System
CH390330A (en) Circuit arrangement for receiving the dialing information sent as pulses in telecommunication, preferably telephone systems
CH363380A (en) Circuit arrangement for establishing connections in telecommunication systems, in particular telephone systems
CH408131A (en) Signaling procedures via telecommunication lines, in particular telephone lines
CH415761A (en) Switching device for telecommunication systems, in particular telephone systems
AT232069B (en) Circuit arrangement for determining the call number of subscribers in telecommunications, in particular telephone systems
CH403879A (en) Circuit arrangement for determining the call number of subscribers in telecommunications, in particular telephone systems
BE609665A (en) Distant Line Hub Telephone System
CH399543A (en) Telephone station
FR1292235A (en) Cathodic protection system
DK101992C (en) Connecting equipment, in particular for telephone systems.