CH476433A - Circuit arrangement for testing the connection paths in telephone switching systems - Google Patents

Circuit arrangement for testing the connection paths in telephone switching systems

Info

Publication number
CH476433A
CH476433A CH875668A CH875668A CH476433A CH 476433 A CH476433 A CH 476433A CH 875668 A CH875668 A CH 875668A CH 875668 A CH875668 A CH 875668A CH 476433 A CH476433 A CH 476433A
Authority
CH
Switzerland
Prior art keywords
testing
circuit arrangement
telephone switching
connection paths
switching systems
Prior art date
Application number
CH875668A
Other languages
German (de)
Inventor
Schwager Reinhard
Original Assignee
Telefunken Patent
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 Telefunken Patent filed Critical Telefunken Patent
Publication of CH476433A publication Critical patent/CH476433A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/22—Arrangements for supervision, monitoring or testing
    • H04M3/26—Arrangements for supervision, monitoring or testing with means for applying test signals or for measuring
    • H04M3/28—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor
    • H04M3/30—Automatic routine testing ; Fault testing; Installation testing; Test methods, test equipment or test arrangements therefor for subscriber's lines, for the local loop
CH875668A 1967-06-14 1968-06-13 Circuit arrangement for testing the connection paths in telephone switching systems CH476433A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1537003 1967-06-14

Publications (1)

Publication Number Publication Date
CH476433A true CH476433A (en) 1969-07-31

Family

ID=5675864

Family Applications (1)

Application Number Title Priority Date Filing Date
CH875668A CH476433A (en) 1967-06-14 1968-06-13 Circuit arrangement for testing the connection paths in telephone switching systems

Country Status (2)

Country Link
CH (1) CH476433A (en)
FR (1) FR1571609A (en)

Also Published As

Publication number Publication date
FR1571609A (en) 1969-06-20

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Legal Events

Date Code Title Description
PL Patent ceased