NL246739A - - Google Patents

Info

Publication number
NL246739A
NL246739A NL246739DA NL246739A NL 246739 A NL246739 A NL 246739A NL 246739D A NL246739D A NL 246739DA NL 246739 A NL246739 A NL 246739A
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 of NL246739A publication Critical patent/NL246739A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0008Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/525Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements using tubes in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Radio Relay Systems (AREA)
  • Interface Circuits In Exchanges (AREA)
NL246739D 1958-12-23 NL246739A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US782419A US2976367A (en) 1958-12-23 1958-12-23 Two-stage line concentrator system

Publications (1)

Publication Number Publication Date
NL246739A true NL246739A (xx)

Family

ID=25125992

Family Applications (2)

Application Number Title Priority Date Filing Date
NL131066D NL131066C (xx) 1958-12-23
NL246739D NL246739A (xx) 1958-12-23

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL131066D NL131066C (xx) 1958-12-23

Country Status (6)

Country Link
US (1) US2976367A (xx)
BE (1) BE585754A (xx)
DE (1) DE1215217B (xx)
FR (1) FR1246426A (xx)
GB (1) GB865354A (xx)
NL (2) NL246739A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3123674A (en) * 1964-03-03 jdsti
US3114007A (en) * 1959-07-01 1963-12-10 Bell Telephone Labor Inc Supervisory circuit
US3129291A (en) * 1960-12-29 1964-04-14 Bell Telephone Labor Inc Remote distributed telephone line concentrator
US3129292A (en) * 1960-12-29 1964-04-14 Bell Telephone Labor Inc Distributed telephone line concentrator system
US3217107A (en) * 1961-02-27 1965-11-09 Automatic Elect Lab Line concentrator and signaling system therefor
NL268996A (xx) * 1961-03-29
US3235666A (en) * 1962-06-29 1966-02-15 Bell Telephone Labor Inc Universal telephone line concentrator system
US3626805A (en) * 1969-10-16 1971-12-14 Lewis D Shiplee Modification assembly for changing semiautomatic firearms selectively into fully automatic firearms

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB541415A (en) * 1940-05-25 1941-11-26 Albert James Stuart Improvements relating to telephone exchanges and electrical interconnecting means therefor
GB782875A (xx) * 1954-09-30
BE561159A (xx) * 1956-09-28

Also Published As

Publication number Publication date
BE585754A (fr) 1960-04-19
FR1246426A (fr) 1960-11-18
DE1215217B (de) 1966-04-28
NL131066C (xx)
GB865354A (en) 1961-04-12
US2976367A (en) 1961-03-21

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