FR1311411A - Réseaux téléphoniques à centres de groupements intermédiaires - Google Patents

Réseaux téléphoniques à centres de groupements intermédiaires

Info

Publication number
FR1311411A
FR1311411A FR877632A FR877632A FR1311411A FR 1311411 A FR1311411 A FR 1311411A FR 877632 A FR877632 A FR 877632A FR 877632 A FR877632 A FR 877632A FR 1311411 A FR1311411 A FR 1311411A
Authority
FR
France
Prior art keywords
intermediary
telephone networks
grouping
centers
grouping centers
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
FR877632A
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.)
AT&T Corp
Original Assignee
Western Electric Co Inc
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
Priority claimed from US65975A external-priority patent/US3190968A/en
Priority claimed from US66320A external-priority patent/US3022382A/en
Priority claimed from US66319A external-priority patent/US3133156A/en
Application filed by Western Electric Co Inc filed Critical Western Electric Co Inc
Application granted granted Critical
Publication of FR1311411A publication Critical patent/FR1311411A/fr
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Telephonic Communication Services (AREA)
FR877632A 1960-10-31 1961-10-31 Réseaux téléphoniques à centres de groupements intermédiaires Expired FR1311411A (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US65975A US3190968A (en) 1960-10-31 1960-10-31 Universal remote telephone line concentrator
US66320A US3022382A (en) 1960-10-31 1960-10-31 Remote telephone line concentrator
US66319A US3133156A (en) 1960-10-31 1960-10-31 Telephone line concentrator

Publications (1)

Publication Number Publication Date
FR1311411A true FR1311411A (fr) 1962-12-07

Family

ID=27370895

Family Applications (1)

Application Number Title Priority Date Filing Date
FR877632A Expired FR1311411A (fr) 1960-10-31 1961-10-31 Réseaux téléphoniques à centres de groupements intermédiaires

Country Status (8)

Country Link
US (1) US3230314A (fr)
BE (1) BE609665A (fr)
CH (4) CH402082A (fr)
DE (3) DE1293240B (fr)
FR (1) FR1311411A (fr)
GB (3) GB957476A (fr)
NL (3) NL270785A (fr)
SE (3) SE310199B (fr)

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2712101A (en) * 1955-06-28 sal ati
US1506054A (en) * 1921-05-20 1924-08-26 Herbert M Friendly Telephone system
DE861276C (de) * 1938-05-11 1952-12-29 Siemens Ag Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen
DE822112C (de) * 1948-11-07 1951-11-22 Mix & Genest A G Schaltungsanordnung fuer Waehler mit Zeitausloesung
DE881961C (de) * 1951-09-27 1953-07-06 Normalzeit G M B H Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Waehlerbetrieb
NL87007C (fr) * 1952-08-16
NL96273C (fr) * 1954-11-30
US2841748A (en) * 1954-12-15 1958-07-01 Ibm Relay circuit
DE1042666B (de) * 1955-03-31 1958-11-06 Siemens Ag Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit Waehlsternanschluessen
BE551611A (fr) * 1955-12-28
BE554165A (fr) * 1956-02-29
DE1076191B (de) * 1956-07-25 1960-02-25 Gfeller Chr Ag Fernsprechanlage mit Gruppenstellen
FR78564E (fr) * 1956-09-28 1962-08-10 Constr Telephoniques Concentrateurs de lignes téléphoniques ou analogues
BE561159A (fr) * 1956-09-28
GB864340A (en) * 1957-03-26 1961-04-06 Ass Elect Ind Improvements relating to arrangements for controlling the access of a number of equipments to a common apparatus
US2916557A (en) * 1957-05-21 1959-12-08 Bell Telephone Labor Inc Universal line concentrator
DE1077276B (de) * 1957-11-25 1960-03-10 Rohde & Schwarz Leitungssystem zur UEbertragung hochfrequenter elektromagnetischer Wellen
DE1059515B (de) * 1957-11-29 1959-06-18 Standard Elektrik Lorenz Ag Schaltungsanordnung fuer aus Einzelschaltern zusammengesetzte Mehrfachschalter nach dem Kreuzschienenprinzip
US2921139A (en) * 1957-12-31 1960-01-12 Bell Telephone Labor Inc Line concentrator signaling system
US2962555A (en) * 1957-12-31 1960-11-29 Bell Telephone Labor Inc Line concentrator system
DE1084776B (de) * 1958-04-22 1960-07-07 Siemens Ag Schaltungsanordnung zum Umsteuern zweiadriger Fernmeldeleitungen
DE1084775B (de) * 1958-04-22 1960-07-07 Siemens Ag Schaltungsanordnung zum UEberwachen des Gleichlaufes von zwei an verschiedenen Orten befindlichen Schrittschalteinrichtungen in Fernmelde-, insbesondere Fernsprechanlagen
DE1086292B (de) * 1959-01-14 1960-08-04 Merk Ag Telefonbau Friedrich Schaltungsanordnung zum UEbermitteln von Kriterien fuer das Einstellen zweier ueber mindestens zwei Verbindungsleitungen miteinander verbundener elektronischer Waehl-einrichtungen in Fernmeldeanlagen, insbesondere Fernsprechanlagen, mit Vorfeldeinrichtungen
NL256495A (fr) * 1959-10-26
NL132807C (fr) * 1959-11-25
US3133156A (en) * 1960-10-31 1964-05-12 Bell Telephone Labor Inc Telephone line concentrator

Also Published As

Publication number Publication date
NL270784A (fr) 1900-01-01
GB957477A (en) 1964-05-06
NL270785A (fr) 1900-01-01
DE1293240B (de) 1969-04-24
BE609665A (fr) 1962-02-15
DE1236025B (de) 1967-03-09
US3230314A (en) 1966-01-18
DE1247409B (de) 1967-08-17
CH432599A (de) 1967-03-31
GB957908A (en) 1964-05-13
NL270786A (fr) 1900-01-01
CH402081A (de) 1965-11-15
GB957476A (en) 1964-05-06
CH402083A (de) 1965-11-15
CH402082A (de) 1965-11-15
SE310200B (fr) 1969-04-21
SE310201B (fr) 1969-04-21
SE310199B (fr) 1969-04-21

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