SE8601426D0 - Anordning for detektering av slingtillstand, speciellt for processorstyrda, digitala telefonbicentraler - Google Patents

Anordning for detektering av slingtillstand, speciellt for processorstyrda, digitala telefonbicentraler

Info

Publication number
SE8601426D0
SE8601426D0 SE8601426A SE8601426A SE8601426D0 SE 8601426 D0 SE8601426 D0 SE 8601426D0 SE 8601426 A SE8601426 A SE 8601426A SE 8601426 A SE8601426 A SE 8601426A SE 8601426 D0 SE8601426 D0 SE 8601426D0
Authority
SE
Sweden
Prior art keywords
sling
special
conditions
processor controls
digital phone
Prior art date
Application number
SE8601426A
Other languages
English (en)
Other versions
SE8601426L (sv
Inventor
O Tamaska
Original Assignee
Bhg Hiradastech Vallalat
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 Bhg Hiradastech Vallalat filed Critical Bhg Hiradastech Vallalat
Publication of SE8601426D0 publication Critical patent/SE8601426D0/sv
Publication of SE8601426L publication Critical patent/SE8601426L/sv

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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M3/00—Automatic or semi-automatic exchanges
    • H04M3/005—Interface circuits for subscriber lines

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
SE8601426A 1985-03-29 1986-03-27 Anordning for detektering av slingtillstand, speciellt for processorstyrda, digitala telefonbicentraler SE8601426L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
HU119185A HU192925B (en) 1985-03-29 1985-03-29 Circuit arrangement for realizing circuit sensing state of loop, in particular to processor controlled digital sub-exchanges

Publications (2)

Publication Number Publication Date
SE8601426D0 true SE8601426D0 (sv) 1986-03-27
SE8601426L SE8601426L (sv) 1986-09-30

Family

ID=10953268

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8601426A SE8601426L (sv) 1985-03-29 1986-03-27 Anordning for detektering av slingtillstand, speciellt for processorstyrda, digitala telefonbicentraler

Country Status (4)

Country Link
DE (1) DE3609061A1 (sv)
GB (1) GB2173373A (sv)
HU (1) HU192925B (sv)
SE (1) SE8601426L (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333431A1 (de) * 1993-09-30 1995-04-06 Siemens Ag Verfahren zum Steuern einer Datenübertragungseinrichtung
DE4333434A1 (de) * 1993-09-30 1995-04-06 Siemens Ag Verfahren zum Steuern einer Datenübertragungseinrichtung

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2426370A1 (fr) * 1978-05-17 1979-12-14 Constr Telephoniques Circuit de detection de l'etat d'une ligne de transmission
GB1557135A (en) * 1978-05-24 1979-12-05 System Reliability Ltd Voltage detectors
GB1602102A (en) * 1978-05-31 1981-11-04 Telspec Ltd Loop detection techniques for use in transmission lines
JPS5637793A (en) * 1979-09-05 1981-04-11 Hitachi Ltd Loop detecting circuit

Also Published As

Publication number Publication date
HUT39917A (en) 1986-10-29
DE3609061A1 (de) 1986-10-02
GB8606336D0 (en) 1986-04-23
GB2173373A (en) 1986-10-08
HU192925B (en) 1987-08-28
SE8601426L (sv) 1986-09-30

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Legal Events

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NAV Patent application has lapsed

Ref document number: 8601426-3

Effective date: 19871127