BE646561A - - Google Patents

Info

Publication number
BE646561A
BE646561A BE646561DA BE646561A BE 646561 A BE646561 A BE 646561A BE 646561D A BE646561D A BE 646561DA BE 646561 A BE646561 A BE 646561A
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 BE646561A publication Critical patent/BE646561A/xx

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker
    • H04Q3/52—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker using static devices in switching stages, e.g. electronic switching arrangements
    • H04Q3/521—Circuit 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 semiconductors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
BE646561D 1963-04-15 1964-04-15 BE646561A (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US273015A US3268667A (en) 1963-04-15 1963-04-15 Electronic switching telephone system
US320363A US3324248A (en) 1963-04-15 1963-10-31 Electronic switching telephone system
US337865A US3328531A (en) 1963-04-15 1964-01-15 Allotter with monitor control circuit

Publications (1)

Publication Number Publication Date
BE646561A true BE646561A (de) 1964-10-15

Family

ID=27402516

Family Applications (3)

Application Number Title Priority Date Filing Date
BE638647D BE638647A (de) 1963-04-15
BE646561D BE646561A (de) 1963-04-15 1964-04-15
BE655047D BE655047A (de) 1963-04-15 1964-10-30

Family Applications Before (1)

Application Number Title Priority Date Filing Date
BE638647D BE638647A (de) 1963-04-15

Family Applications After (1)

Application Number Title Priority Date Filing Date
BE655047D BE655047A (de) 1963-04-15 1964-10-30

Country Status (7)

Country Link
US (3) US3268667A (de)
BE (3) BE646561A (de)
CH (1) CH446445A (de)
DE (3) DE1226163B (de)
FR (1) FR87754E (de)
GB (4) GB1029479A (de)
NL (3) NL6404004A (de)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3387092A (en) * 1965-07-16 1968-06-04 Itt Tandem trunking having incoming and outgoing appearances in a crossbar matrix
US3452157A (en) * 1966-02-01 1969-06-24 Itt Current controlled,self-seeking telephone switching system
US3449526A (en) * 1966-04-08 1969-06-10 Itt Trap circuit for use in an electronic switching telephone system
US3482052A (en) * 1966-04-19 1969-12-02 Itt Transfer and signaling circuit
DE1295586B (de) * 1966-06-03 1969-05-22 Siemens Ag Schaltungsanordnung zum voruebergehenden Sperren von Fernleitungen gegen Wiederbelegung in Fernmeldevermittlungsanlagen
US3458662A (en) * 1966-07-29 1969-07-29 Bell Telephone Labor Inc Crossbar switching with special service provisions
FR1509986A (fr) * 1966-11-04 1968-01-19 Ibm France Système de commutation téléphonique à commande centralisée
GB1257623A (de) * 1967-12-11 1971-12-22 Post Office
US3655918A (en) * 1970-04-17 1972-04-11 Itt Trunk allotter
US3692948A (en) * 1970-12-24 1972-09-19 Western Electric Co Ltd Telephone queuing circuit
US3748396A (en) * 1971-04-14 1973-07-24 Itt Direct inward dialing trunk circuit

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1000460B (de) * 1955-07-16 1957-01-10 Siemens Ag Schaltungsanordnung fuer mit Wechselstrom betriebene, doppeltgerichtete Verbindungsleitungen in Fernmeldeanlagen, insbesondere Fernsprechanlagen
DE1006015B (de) * 1956-04-11 1957-04-11 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer Fernmelde-, insbesondere Fernsprechanlagen mit doppelt gerichteten Verbindungsleitungen
NL255278A (de) * 1959-08-26
US3021450A (en) * 1960-04-07 1962-02-13 Thompson Ramo Wooldridge Inc Ring counter
US3135875A (en) * 1961-05-04 1964-06-02 Ibm Ring counter employing four-layer diodes and scaling resistors to effect counting
GB1040741A (en) * 1961-12-04 1966-09-01 Elliott Brothers London Ltd Fault alarm display systems

Also Published As

Publication number Publication date
GB1057421A (en) 1967-02-01
US3328531A (en) 1967-06-27
NL6412225A (de) 1965-05-03
US3268667A (en) 1966-08-23
DE1562119B2 (de) 1972-04-06
DE1226163B (de) 1966-10-06
DE1562119A1 (de) 1970-03-12
DE1251815B (de) 1967-10-12
BE638647A (de)
NL6404004A (de) 1964-10-16
FR87754E (fr) 1966-10-07
GB1040639A (en) 1966-09-01
GB1029479A (en) 1966-05-11
GB1049841A (en) 1966-11-30
CH446445A (de) 1967-11-15
US3324248A (en) 1967-06-06
NL299267A (de)
BE655047A (de) 1965-04-30

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