NO136386C - Sentralutstyr for unders¦kelse av tilstanden til individuelle abonnentlinjer i en telekommunikasjonssentral. - Google Patents

Sentralutstyr for unders¦kelse av tilstanden til individuelle abonnentlinjer i en telekommunikasjonssentral.

Info

Publication number
NO136386C
NO136386C NO464471A NO464471A NO136386C NO 136386 C NO136386 C NO 136386C NO 464471 A NO464471 A NO 464471A NO 464471 A NO464471 A NO 464471A NO 136386 C NO136386 C NO 136386C
Authority
NO
Norway
Prior art keywords
investigation
condition
central equipment
individual subscription
telecommunication center
Prior art date
Application number
NO464471A
Other languages
English (en)
Other versions
NO136386B (no
Inventor
Harold William Cliff Pilling
Gerard Marcel Le Gardonnel
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
Publication of NO136386B publication Critical patent/NO136386B/no
Publication of NO136386C publication Critical patent/NO136386C/no

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)
  • Interface Circuits In Exchanges (AREA)
  • Mobile Radio Communication Systems (AREA)
NO464471A 1970-12-23 1971-12-16 Sentralutstyr for unders¦kelse av tilstanden til individuelle abonnentlinjer i en telekommunikasjonssentral. NO136386C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7046461A FR2119188A5 (no) 1970-12-23 1970-12-23

Publications (2)

Publication Number Publication Date
NO136386B NO136386B (no) 1977-05-16
NO136386C true NO136386C (no) 1977-08-31

Family

ID=9066266

Family Applications (1)

Application Number Title Priority Date Filing Date
NO464471A NO136386C (no) 1970-12-23 1971-12-16 Sentralutstyr for unders¦kelse av tilstanden til individuelle abonnentlinjer i en telekommunikasjonssentral.

Country Status (14)

Country Link
AT (1) AT315249B (no)
AU (1) AU464484B2 (no)
BE (1) BE777084A (no)
BR (1) BR7108538D0 (no)
CA (1) CA938040A (no)
CH (1) CH554624A (no)
ES (1) ES398234A1 (no)
FR (1) FR2119188A5 (no)
GB (1) GB1355129A (no)
IT (1) IT944014B (no)
NL (1) NL7117638A (no)
NO (1) NO136386C (no)
SE (1) SE369263B (no)
SU (1) SU584819A3 (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ZA74205B (en) * 1973-02-12 1974-11-27 Int Standard Electric Corp Line condition signalling system

Also Published As

Publication number Publication date
NL7117638A (no) 1972-06-27
NO136386B (no) 1977-05-16
BE777084A (fr) 1972-06-22
DE2162964A1 (de) 1972-07-13
ES398234A1 (es) 1975-03-16
GB1355129A (en) 1974-06-05
IT944014B (it) 1973-04-20
DE2162964B2 (de) 1976-01-02
AT315249B (de) 1974-05-10
SE369263B (no) 1974-08-12
BR7108538D0 (pt) 1973-05-31
FR2119188A5 (no) 1972-08-04
CH554624A (de) 1974-09-30
AU3645571A (en) 1973-06-07
CA938040A (en) 1973-12-04
SU584819A3 (ru) 1977-12-15
AU464484B2 (en) 1975-08-28

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