NL141747B - Telefoonstelsel met een centrale en althans een daarop aangesloten lijnconcentrator. - Google Patents

Telefoonstelsel met een centrale en althans een daarop aangesloten lijnconcentrator.

Info

Publication number
NL141747B
NL141747B NL62285046A NL285046A NL141747B NL 141747 B NL141747 B NL 141747B NL 62285046 A NL62285046 A NL 62285046A NL 285046 A NL285046 A NL 285046A NL 141747 B NL141747 B NL 141747B
Authority
NL
Netherlands
Prior art keywords
although
control panel
telephone system
connected line
line concentrator
Prior art date
Application number
NL62285046A
Other languages
English (en)
Original Assignee
Western Electric Co
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 Western Electric Co filed Critical Western Electric Co
Publication of NL141747B publication Critical patent/NL141747B/nl

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)
  • Interface Circuits In Exchanges (AREA)
NL62285046A 1961-11-20 1962-11-02 Telefoonstelsel met een centrale en althans een daarop aangesloten lijnconcentrator. NL141747B (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US153468A US3198887A (en) 1961-11-20 1961-11-20 Distributed telephone line concentrator

Publications (1)

Publication Number Publication Date
NL141747B true NL141747B (nl) 1974-03-15

Family

ID=22547347

Family Applications (2)

Application Number Title Priority Date Filing Date
NL285046D NL285046A (nl) 1961-11-20
NL62285046A NL141747B (nl) 1961-11-20 1962-11-02 Telefoonstelsel met een centrale en althans een daarop aangesloten lijnconcentrator.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
NL285046D NL285046A (nl) 1961-11-20

Country Status (7)

Country Link
US (1) US3198887A (nl)
BE (1) BE624997A (nl)
CH (1) CH424875A (nl)
DE (1) DE1437054A1 (nl)
GB (1) GB990545A (nl)
NL (2) NL141747B (nl)
SE (1) SE317411B (nl)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3250859A (en) * 1962-12-31 1966-05-10 American Telephone & Telegraph Universal line concentrator
US3308243A (en) * 1963-12-16 1967-03-07 Bell Telephone Labor Inc Establishing intraconcentrator connections in a remote line concentrator system
US3462557A (en) * 1965-12-27 1969-08-19 Bell Telephone Labor Inc Intra-concentrator call detecting circuit
US3778555A (en) * 1971-07-19 1973-12-11 Digital Telephone Systems Inc Telephone subscriber line system intra call apparatus and method

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2037221A (en) * 1932-04-27 1936-04-14 Associated Electric Lab Inc Telephone system
CH206560A (de) * 1937-11-22 1939-08-15 Fides Gmbh Schaltungsanordnung für Fernsprechanlagen mit Haupt- und Unterämtern und Wählerbetrieb.
US2850576A (en) * 1955-10-04 1958-09-02 Line concentrator system
BE554165A (nl) * 1956-02-29
NL267386A (nl) * 1960-07-22

Also Published As

Publication number Publication date
DE1437054A1 (de) 1968-11-28
GB990545A (en) 1965-04-28
BE624997A (nl)
NL285046A (nl)
SE317411B (nl) 1969-11-17
US3198887A (en) 1965-08-03
CH424875A (de) 1966-11-30

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Legal Events

Date Code Title Description
V1 Lapsed because of non-payment of the annual fee
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: WESTERN ELECTR