CH519835A - Method and device for displaying the status of the occupancy on a subscriber line - Google Patents

Method and device for displaying the status of the occupancy on a subscriber line

Info

Publication number
CH519835A
CH519835A CH156470A CH156470A CH519835A CH 519835 A CH519835 A CH 519835A CH 156470 A CH156470 A CH 156470A CH 156470 A CH156470 A CH 156470A CH 519835 A CH519835 A CH 519835A
Authority
CH
Switzerland
Prior art keywords
occupancy
status
displaying
subscriber line
subscriber
Prior art date
Application number
CH156470A
Other languages
German (de)
Inventor
Hulsbergen Hans
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
Priority to CH156470A priority Critical patent/CH519835A/en
Priority to NO485470A priority patent/NO130448C/no
Priority to FI352370A priority patent/FI56086C/en
Priority to DE19712100458 priority patent/DE2100458C3/en
Priority to ES387709A priority patent/ES387709A1/en
Priority to SE127071A priority patent/SE354954B/xx
Priority to GB2076271A priority patent/GB1327862A/en
Publication of CH519835A publication Critical patent/CH519835A/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
    • H04M3/2272—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)
CH156470A 1970-02-03 1970-02-03 Method and device for displaying the status of the occupancy on a subscriber line CH519835A (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
CH156470A CH519835A (en) 1970-02-03 1970-02-03 Method and device for displaying the status of the occupancy on a subscriber line
NO485470A NO130448C (en) 1970-02-03 1970-12-17
FI352370A FI56086C (en) 1970-02-03 1970-12-31 FOERFARANDE OCH ANORDNING FOER ATT VISA UPPTAGET-TILLSTAOND OCH / ELLER ICKE-UPPTAGET-TILLSTAOND I ABONNENTENS TELEFONLEDNING
DE19712100458 DE2100458C3 (en) 1970-02-03 1971-01-07 Method and device for displaying the occupancy status of subscriber lines in telecommunications, in particular telephone switching systems
ES387709A ES387709A1 (en) 1970-02-03 1971-01-28 Apparatus for indicating the holding condition and or the non-holding condition on a subscribers line
SE127071A SE354954B (en) 1970-02-03 1971-02-02
GB2076271A GB1327862A (en) 1970-02-03 1971-04-19 Apparatus for indicating the holding condition and or the non-holding condition on a subscribers line

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH156470A CH519835A (en) 1970-02-03 1970-02-03 Method and device for displaying the status of the occupancy on a subscriber line

Publications (1)

Publication Number Publication Date
CH519835A true CH519835A (en) 1972-02-29

Family

ID=4213371

Family Applications (1)

Application Number Title Priority Date Filing Date
CH156470A CH519835A (en) 1970-02-03 1970-02-03 Method and device for displaying the status of the occupancy on a subscriber line

Country Status (7)

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

Also Published As

Publication number Publication date
FI56086B (en) 1979-07-31
NO130448C (en) 1974-12-18
FI56086C (en) 1979-11-12
SE354954B (en) 1973-03-26
NO130448B (en) 1974-09-02
GB1327862A (en) 1973-08-22
DE2100458A1 (en) 1971-08-12
ES387709A1 (en) 1974-02-16
DE2100458C3 (en) 1980-06-04
DE2100458B2 (en) 1979-09-13

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Legal Events

Date Code Title Description
PL Patent ceased