BE493314A - - Google Patents

Info

Publication number
BE493314A
BE493314A BE493314DA BE493314A BE 493314 A BE493314 A BE 493314A BE 493314D A BE493314D A BE 493314DA BE 493314 A BE493314 A BE 493314A
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.)
Publication of BE493314A publication Critical patent/BE493314A/xx

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
BE493314D 1949-01-17 BE493314A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL279120X 1949-01-17

Publications (1)

Publication Number Publication Date
BE493314A true BE493314A (xx)

Family

ID=19782231

Family Applications (1)

Application Number Title Priority Date Filing Date
BE493314D BE493314A (xx) 1949-01-17

Country Status (7)

Country Link
US (1) US2697750A (xx)
BE (1) BE493314A (xx)
CH (1) CH279120A (xx)
DE (1) DE893518C (xx)
FR (1) FR1008415A (xx)
GB (1) GB685771A (xx)
NL (2) NL75989C (xx)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2828365A (en) * 1956-04-17 1958-03-25 Itt Relayless line circuit
US2714629A (en) * 1951-05-19 1955-08-02 Nederlanden Staat Marking circuit
BE515687A (xx) * 1951-11-23
NL107045C (xx) * 1953-07-03
NL86629C (xx) * 1954-02-26
DE969954C (de) * 1954-10-28 1958-08-07 Allg Telefon Fabrik G M B H Schaltungsanordnung fuer Fernmeldeanlagen mit Anrufsuchern
DE1029044B (de) * 1955-09-14 1958-04-30 Siemens Ag Relaislose Teilnehmerschaltung fuer Fernsprechanlagen
US2938959A (en) * 1956-06-22 1960-05-31 Gen Telephone Lab Inc Relayless line circuit
GB916636A (en) * 1959-01-05 1963-01-23 Ass Elect Ind Improvements relating to automatic telecommunication switching systems
DE1132981B (de) * 1960-07-13 1962-07-12 Arnstadt Fernmeldewerk Schaltungsanordnung fuer Teilnehmerschaltungen in elektronisch gesteuerten Fernsprechanlagen
US3193621A (en) * 1961-11-01 1965-07-06 Gen Dynamics Corp Telephone line finder

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1560725A (en) * 1922-01-25 1925-11-10 Stromberg Carlson Telephone Automatic telephone system
CH133624A (de) * 1927-01-21 1929-06-15 Ericsson Fatme Stromkreis ohne Linienrelais für Fernsprechzentralen.
NL30173C (xx) * 1927-01-31
GB474990A (en) * 1935-05-31 1937-11-11 Panstwowe Zaklady Tele I Radjo Improvements in or relating to automatic or semi-automatic telephone and like telecommunicating or signalling systems
US2322864A (en) * 1941-03-29 1943-06-29 Kellogg Switchboard & Supply Trouble cutoff system
NL63840C (xx) * 1945-09-03

Also Published As

Publication number Publication date
US2697750A (en) 1954-12-21
DE893518C (de) 1953-10-15
NL144370B (nl)
FR1008415A (fr) 1952-05-19
GB685771A (en) 1953-01-14
CH279120A (de) 1951-11-15
NL75989C (xx)

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