BE531123A - - Google Patents

Info

Publication number
BE531123A
BE531123A BE531123DA BE531123A BE 531123 A BE531123 A BE 531123A BE 531123D A BE531123D A BE 531123DA BE 531123 A BE531123 A BE 531123A
Authority
BE
Belgium
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.)
Filing date
Publication date
Application filed filed Critical
Publication of BE531123A publication Critical patent/BE531123A/xx

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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H67/00—Electrically-operated selector switches
    • H01H67/22—Switches without multi-position wipers
    • H01H67/26—Co-ordinate-type selector switches not having relays at cross-points but involving mechanical movement, e.g. cross-bar switch, code-bar switch

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Breakers (AREA)
  • Telephonic Communication Services (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Keying Circuit Devices (AREA)
  • Catalysts (AREA)
BE531123D 1953-01-06 1954-08-23 BE531123A (en:Method)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US329802A US2725428A (en) 1953-01-06 1953-01-06 Multi-group primary-secondary-spread crossbar telephone system
US359761A US2909611A (en) 1953-01-06 1953-06-05 Multi-group direct-access crossbar telephone switching system
DE329942X 1953-08-13
US810158A US3046352A (en) 1953-01-06 1959-04-30 Direct-access crossbar-switch connector system

Publications (1)

Publication Number Publication Date
BE531123A true BE531123A (en:Method) 1957-11-08

Family

ID=32398035

Family Applications (2)

Application Number Title Priority Date Filing Date
BE529343D BE529343A (en:Method) 1953-01-06 1954-06-04
BE531123D BE531123A (en:Method) 1953-01-06 1954-08-23

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE529343D BE529343A (en:Method) 1953-01-06 1954-06-04

Country Status (6)

Country Link
US (6) US2725428A (en:Method)
BE (2) BE529343A (en:Method)
CH (2) CH337574A (en:Method)
DE (2) DE971474C (en:Method)
FR (7) FR1108099A (en:Method)
GB (1) GB731779A (en:Method)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2725428A (en) * 1953-01-06 1955-11-29 Itt Multi-group primary-secondary-spread crossbar telephone system
FR1121130A (fr) * 1955-02-04 1956-07-23 Materiel Telephonique Systèmes de commutation applicables notamment à la sélection de groupe dans les systèmes de téléphonie automatique
FR1133024A (fr) * 1955-07-12 1957-03-20 Constr Telephoniques Perfectionnements aux systèmes téléphoniques
NL259099A (en:Method) * 1959-12-29
US3226488A (en) * 1962-12-12 1965-12-28 Automatic Elect Lab Data switching system
US3237383A (en) * 1963-09-20 1966-03-01 Honeywell Inc Electronic gas cleaner having an improved electrical connection
US3345465A (en) * 1964-03-24 1967-10-03 Hitachi Ltd A composite frame having two threestage crossbar switch link frames

Family Cites Families (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB183438A (en) * 1921-07-21 1923-09-06 Western Electric Co Ltd Improvements in or relating to telephone systems and apparatus for use therein
US1586518A (en) * 1922-12-21 1926-06-01 Western Electric Co Telephone system
US1541359A (en) * 1923-04-10 1925-06-09 Western Electric Co Telephone system
US1553317A (en) * 1923-09-18 1925-09-15 Western Electric Co Telephone system
US1567261A (en) * 1923-09-28 1925-12-29 Western Electric Co Telephone-exchange system
US1550783A (en) * 1923-10-17 1925-08-25 Western Electric Co Telephone-exchange system
US1575334A (en) * 1923-12-24 1926-03-02 Western Electric Co Telephone system
US1595084A (en) * 1924-11-25 1926-08-10 Western Electric Co Telephone-exchange system
US1700467A (en) * 1927-08-04 1929-01-29 Bell Telephone Labor Inc Telephone-exchange system
US1849694A (en) * 1930-01-23 1932-03-15 Associated Electric Lab Inc Automatic telephone system
US2038222A (en) * 1935-06-26 1936-04-21 Bell Telephone Labor Inc Telephone system
US2056265A (en) * 1935-08-13 1936-10-06 Beli Telephone Lab Inc Telephone system
US2104449A (en) * 1936-08-12 1938-01-04 Grace Macdonald Stokely Telephone system
BE472487A (en:Method) * 1941-09-18
US2504274A (en) * 1945-04-16 1950-04-18 Ericsson Telefon Ab L M System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines
US2430316A (en) * 1945-11-21 1947-11-04 Automatic Elect Lab Crossbar switch system with sequentially operated magnets
US2559702A (en) * 1946-02-23 1951-07-10 Kellogg Switchboard & Supply Selector switching system
GB661163A (en) * 1946-05-23 1951-11-21 Ericsson Telefon Ab L M Improvements in or relating to switching devices for the setting of cross-bar switches by means of markers
FR962487A (en:Method) * 1947-02-07 1950-06-10
US2575882A (en) * 1947-06-13 1951-11-20 Ericsson Telefon Ab L M Connecting device at crossbar switch for selection of connecting links
CH275285A (de) * 1948-03-03 1951-05-15 Philips Nv Kreuzstangenschalter für selbsttätige Telephonanlagen.
US2512942A (en) * 1948-07-22 1950-06-27 Stromberg Carlson Co All relay telephone selector
DE853299C (de) * 1949-06-02 1952-10-23 Int Standard Electric Corp Pruef- und Steuereinrichtung zur Auswahl von Stromkreisgruppen
NL216340A (en:Method) * 1949-06-21
DE889762C (de) * 1949-08-26 1953-09-14 Siemens Ag Schaltungsanordnung fuer Fernmeldeanlagen, insbesondere Fernsprechanlagen mit Koordinatenwaehlern
BE500638A (en:Method) * 1950-01-16
US2617888A (en) * 1950-04-01 1952-11-11 American Telephone & Telegraph Line lockout arrangement
US2672520A (en) * 1950-04-13 1954-03-16 Automatic Elect Lab Telephone system for private automatic business exchanges
US2741663A (en) * 1950-06-16 1956-04-10 Nederlanden Staat Automatic switching system
US2747021A (en) * 1950-09-21 1956-05-22 Gen Electric Co Ltd Telecommunication systems embodying automatic exchanges
US2754368A (en) * 1952-05-03 1956-07-10 Bell Telephone Labor Inc Telephone system
US2725428A (en) * 1953-01-06 1955-11-29 Itt Multi-group primary-secondary-spread crossbar telephone system
BE527998A (en:Method) * 1953-04-29
US2773128A (en) * 1955-02-28 1956-12-04 Itt Crossbar-switch connector system

Also Published As

Publication number Publication date
BE529343A (en:Method) 1957-05-24
US3046352A (en) 1962-07-24
FR1108099A (fr) 1956-01-09
CH337574A (fr) 1959-04-15
FR72922E (fr) 1960-09-21
FR72908E (fr) 1960-09-21
FR72910E (fr) 1960-09-21
FR72907E (fr) 1960-09-21
US2725428A (en) 1955-11-29
US2700071A (en) 1955-01-18
DE971474C (de) 1959-02-05
DE945257C (de) 1956-07-05
FR72911E (fr) 1960-09-21
US2929881A (en) 1960-03-22
US2909611A (en) 1959-10-20
CH329942A (de) 1958-05-15
FR72909E (fr) 1960-09-21
GB731779A (en) 1955-06-15
US2878320A (en) 1959-03-17

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