AT254277B - Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status - Google Patents

Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status

Info

Publication number
AT254277B
AT254277B AT362165A AT362165A AT254277B AT 254277 B AT254277 B AT 254277B AT 362165 A AT362165 A AT 362165A AT 362165 A AT362165 A AT 362165A AT 254277 B AT254277 B AT 254277B
Authority
AT
Austria
Prior art keywords
systems
signal lines
circuit arrangement
monitoring signal
particular telephone
Prior art date
Application number
AT362165A
Other languages
German (de)
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 AT254277B publication Critical patent/AT254277B/en

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
AT362165A 1964-04-24 1965-04-20 Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status AT254277B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1964S0090735 DE1276751B (en) 1964-04-24 1964-04-24 Circuit arrangement for monitoring signal lines for their switching state in telecommunication systems, in particular telephone systems

Publications (1)

Publication Number Publication Date
AT254277B true AT254277B (en) 1967-05-10

Family

ID=7516036

Family Applications (1)

Application Number Title Priority Date Filing Date
AT362165A AT254277B (en) 1964-04-24 1965-04-20 Circuit arrangement for monitoring signal lines in telecommunication systems, in particular telephone systems, for their switching status

Country Status (8)

Country Link
AT (1) AT254277B (en)
BE (1) BE662958A (en)
CH (1) CH433458A (en)
DE (1) DE1276751B (en)
FI (1) FI51415C (en)
GB (1) GB1072762A (en)
NL (1) NL6504780A (en)
SE (1) SE353203B (en)

Also Published As

Publication number Publication date
GB1072762A (en) 1967-06-21
DE1276751B (en) 1968-09-05
BE662958A (en) 1965-10-25
FI51415B (en) 1976-08-31
NL6504780A (en) 1965-10-25
FI51415C (en) 1976-12-10
SE353203B (en) 1973-01-22
CH433458A (en) 1967-04-15

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