GB927338A - Improvements in or relating to telephone networks - Google Patents

Improvements in or relating to telephone networks

Info

Publication number
GB927338A
GB927338A GB2689861A GB2689861A GB927338A GB 927338 A GB927338 A GB 927338A GB 2689861 A GB2689861 A GB 2689861A GB 2689861 A GB2689861 A GB 2689861A GB 927338 A GB927338 A GB 927338A
Authority
GB
United Kingdom
Prior art keywords
signal
supervisory
preparatory
common
tseg
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2689861A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Siemens and Halske AG
Siemens Corp
Original Assignee
Siemens and Halske AG
Siemens 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 Siemens and Halske AG, Siemens Corp filed Critical Siemens and Halske AG
Publication of GB927338A publication Critical patent/GB927338A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/18—Electrical details
    • H04Q1/30—Signalling arrangements; Manipulation of signalling currents
    • H04Q1/44—Signalling arrangements; Manipulation of signalling currents using alternate current
    • H04Q1/442—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies
    • H04Q1/4423—Signalling arrangements; Manipulation of signalling currents using alternate current with out-of-voice band signalling frequencies using one signalling frequency
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Telephonic Communication Services (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB2689861A 1960-07-25 1961-07-25 Improvements in or relating to telephone networks Expired GB927338A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DES69582A DE1134723B (de) 1960-07-25 1960-07-25 Verfahren und Schaltungsanordnung zur Verbindungsherstellung in grossen Fernmelde-, insbesondere Fernsprechnetzen

Publications (1)

Publication Number Publication Date
GB927338A true GB927338A (en) 1963-05-29

Family

ID=7501084

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2689861A Expired GB927338A (en) 1960-07-25 1961-07-25 Improvements in or relating to telephone networks

Country Status (5)

Country Link
BE (1) BE606456A (enrdf_load_stackoverflow)
CH (1) CH393440A (enrdf_load_stackoverflow)
DE (1) DE1134723B (enrdf_load_stackoverflow)
GB (1) GB927338A (enrdf_load_stackoverflow)
NL (2) NL145120B (enrdf_load_stackoverflow)

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB489545A (en) * 1937-01-25 1938-07-25 Standard Telephones Cables Ltd Improvements in or relating to electrical communication systems
DE863673C (de) * 1951-06-29 1953-01-19 Siemens Ag Elektrischer Signalempfaenger
BE551638A (enrdf_load_stackoverflow) * 1955-10-10

Also Published As

Publication number Publication date
DE1134723B (de) 1962-08-16
NL145120B (nl) 1975-02-17
BE606456A (fr) 1961-11-16
CH393440A (de) 1965-06-15
NL267512A (enrdf_load_stackoverflow)

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