FI56086B - Foerfarande och anordning foer att visa upptaget-tillstaond och/eller icke-upptaget-tillstaond i abonnentens telefonledning - Google Patents

Foerfarande och anordning foer att visa upptaget-tillstaond och/eller icke-upptaget-tillstaond i abonnentens telefonledning

Info

Publication number
FI56086B
FI56086B FI352370A FI352370A FI56086B FI 56086 B FI56086 B FI 56086B FI 352370 A FI352370 A FI 352370A FI 352370 A FI352370 A FI 352370A FI 56086 B FI56086 B FI 56086B
Authority
FI
Finland
Prior art keywords
upptaget
tillstaond
och
telefonledning
abonnentens
Prior art date
Application number
FI352370A
Other languages
English (en)
Other versions
FI56086C (fi
Inventor
Hans Hulsbergen
Original Assignee
Zellweger Uster 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 Zellweger Uster Ag filed Critical Zellweger Uster Ag
Publication of FI56086B publication Critical patent/FI56086B/fi
Application granted granted Critical
Publication of FI56086C publication Critical patent/FI56086C/fi

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
    • H04M3/2272—Subscriber line supervision circuits, e.g. call detection circuits

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Mutual Connection Of Rods And Tubes (AREA)
  • Interface Circuits In Exchanges (AREA)
FI352370A 1970-02-03 1970-12-31 Foerfarande och anordning foer att visa upptaget-tillstaond och/eller icke-upptaget-tillstaond i abonnentens telefonledning FI56086C (fi)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH156470A CH519835A (de) 1970-02-03 1970-02-03 Verfahren und Vorrichtung zur Anzeige des Zustandes der Belegung auf einer Teilnehmerleitung

Publications (2)

Publication Number Publication Date
FI56086B true FI56086B (fi) 1979-07-31
FI56086C FI56086C (fi) 1979-11-12

Family

ID=4213371

Family Applications (1)

Application Number Title Priority Date Filing Date
FI352370A FI56086C (fi) 1970-02-03 1970-12-31 Foerfarande och anordning foer att visa upptaget-tillstaond och/eller icke-upptaget-tillstaond i abonnentens telefonledning

Country Status (7)

Country Link
CH (1) CH519835A (fi)
DE (1) DE2100458C3 (fi)
ES (1) ES387709A1 (fi)
FI (1) FI56086C (fi)
GB (1) GB1327862A (fi)
NO (1) NO130448C (fi)
SE (1) SE354954B (fi)

Also Published As

Publication number Publication date
CH519835A (de) 1972-02-29
SE354954B (fi) 1973-03-26
NO130448B (fi) 1974-09-02
DE2100458A1 (de) 1971-08-12
FI56086C (fi) 1979-11-12
ES387709A1 (es) 1974-02-16
DE2100458B2 (de) 1979-09-13
DE2100458C3 (de) 1980-06-04
GB1327862A (en) 1973-08-22
NO130448C (fi) 1974-12-18

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