NL270784A - - Google Patents

Info

Publication number
NL270784A
NL270784A NL270784DA NL270784A NL 270784 A NL270784 A NL 270784A NL 270784D A NL270784D A NL 270784DA NL 270784 A NL270784 A NL 270784A
Authority
NL
Netherlands
Application number
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.)
Publication date
Publication of NL270784A publication Critical patent/NL270784A/xx
Priority claimed from US66319A external-priority patent/US3133156A/en
Priority claimed from US65975A external-priority patent/US3190968A/en
Priority claimed from US66320A external-priority patent/US3022382A/en

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)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Telephonic Communication Services (AREA)
NL270784D 1960-10-31 NL270784A (fr)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US66319A US3133156A (en) 1960-10-31 1960-10-31 Telephone line concentrator
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
US337515A US3230314A (en) 1960-10-31 1963-12-13 Universal remote telephone line concentrator

Publications (1)

Publication Number Publication Date
NL270784A true NL270784A (fr) 1900-01-01

Family

ID=27370895

Family Applications (3)

Application Number Title Priority Date Filing Date
NL270786D NL270786A (fr) 1960-10-31
NL270784D NL270784A (fr) 1960-10-31
NL270785D NL270785A (fr) 1960-10-31

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL270786D NL270786A (fr) 1960-10-31

Family Applications After (1)

Application Number Title Priority Date Filing Date
NL270785D NL270785A (fr) 1960-10-31

Country Status (8)

Country Link
US (1) US3230314A (fr)
BE (1) BE609665A (fr)
CH (4) CH402083A (fr)
DE (3) DE1293240B (fr)
FR (1) FR1311411A (fr)
GB (3) GB957476A (fr)
NL (3) NL270785A (fr)
SE (3) SE310201B (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
BE522106A (fr) * 1952-08-16
NL201696A (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
NL101572C (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
BE636734A (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
US2962555A (en) * 1957-12-31 1960-11-29 Bell Telephone Labor Inc Line concentrator system
US2921139A (en) * 1957-12-31 1960-01-12 Bell Telephone Labor Inc Line concentrator signaling system
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
DE1084776B (de) * 1958-04-22 1960-07-07 Siemens Ag Schaltungsanordnung zum Umsteuern zweiadriger Fernmeldeleitungen
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
US3230314A (en) 1966-01-18
GB957476A (en) 1964-05-06
CH402082A (de) 1965-11-15
CH402081A (de) 1965-11-15
BE609665A (fr) 1962-02-15
DE1247409B (de) 1967-08-17
FR1311411A (fr) 1962-12-07
CH432599A (de) 1967-03-31
SE310201B (fr) 1969-04-21
SE310199B (fr) 1969-04-21
DE1236025B (de) 1967-03-09
GB957477A (en) 1964-05-06
NL270786A (fr) 1900-01-01
DE1293240B (de) 1969-04-24
GB957908A (en) 1964-05-13
CH402083A (de) 1965-11-15
SE310200B (fr) 1969-04-21
NL270785A (fr) 1900-01-01

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