GB989340A - Improvements relating to automatic telecommunications exchanges - Google Patents

Improvements relating to automatic telecommunications exchanges

Info

Publication number
GB989340A
GB989340A GB38390/62A GB3839062A GB989340A GB 989340 A GB989340 A GB 989340A GB 38390/62 A GB38390/62 A GB 38390/62A GB 3839062 A GB3839062 A GB 3839062A GB 989340 A GB989340 A GB 989340A
Authority
GB
United Kingdom
Prior art keywords
pbx
group
line
lines
gates
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB38390/62A
Other languages
English (en)
Inventor
Bloomfield James Warman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Associated Electrical Industries Ltd
Original Assignee
Associated Electrical Industries Ltd
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 Associated Electrical Industries Ltd filed Critical Associated Electrical Industries Ltd
Publication of GB989340A publication Critical patent/GB989340A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0008—Selecting arrangements using relay selectors in the switching stages
    • H04Q3/0012—Selecting arrangements using relay selectors in the switching stages in which the relays are arranged in a matrix configuration
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/58—Arrangements providing connection between main exchange and sub-exchange or satellite
    • H04Q3/62—Arrangements providing connection between main exchange and sub-exchange or satellite for connecting to private branch exchanges
    • H04Q3/625—Arrangements in the private branch exchange

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Physics & Mathematics (AREA)
  • Astronomy & Astrophysics (AREA)
  • General Physics & Mathematics (AREA)
  • Exchange Systems With Centralized Control (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Transformers For Measuring Instruments (AREA)
GB38390/62A 1960-07-18 1960-07-18 Improvements relating to automatic telecommunications exchanges Expired GB989340A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB25065/60A GB989336A (en) 1960-07-18 1960-07-18 Improvements relating to automatic telecommunication switching systems

Publications (1)

Publication Number Publication Date
GB989340A true GB989340A (en) 1965-04-14

Family

ID=10221640

Family Applications (5)

Application Number Title Priority Date Filing Date
GB38390/62A Expired GB989340A (en) 1960-07-18 1960-07-18 Improvements relating to automatic telecommunications exchanges
GB38388/62A Expired GB989338A (en) 1960-07-18 1960-07-18 Improvements relating to electric selecting arrangements
GB38389/62A Expired GB989339A (en) 1960-07-18 1960-07-18 Improvements relating to comparison circuit arrangements
GB25065/60A Expired GB989336A (en) 1960-07-18 1960-07-18 Improvements relating to automatic telecommunication switching systems
GB27895/61A Expired GB1026661A (en) 1960-07-18 1961-08-01 Improvements relating to automatic telecommunication switching systems

Family Applications After (4)

Application Number Title Priority Date Filing Date
GB38388/62A Expired GB989338A (en) 1960-07-18 1960-07-18 Improvements relating to electric selecting arrangements
GB38389/62A Expired GB989339A (en) 1960-07-18 1960-07-18 Improvements relating to comparison circuit arrangements
GB25065/60A Expired GB989336A (en) 1960-07-18 1960-07-18 Improvements relating to automatic telecommunication switching systems
GB27895/61A Expired GB1026661A (en) 1960-07-18 1961-08-01 Improvements relating to automatic telecommunication switching systems

Country Status (6)

Country Link
US (1) US3272924A (OSRAM)
CH (4) CH450494A (OSRAM)
DE (4) DE1208362B (OSRAM)
GB (5) GB989340A (OSRAM)
NL (1) NL267039A (OSRAM)
SE (1) SE328031B (OSRAM)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1413116A (fr) * 1964-06-30 1965-10-08 Perfectionnements aux réseaux de commutation à commande centralisée
FR95104E (fr) * 1964-08-11 1970-07-24 Cit Alcatel Perfectionnements apportés au groupement des organes dans un central de télécommunications.
SE302791B (OSRAM) * 1966-06-02 1968-08-05 Ericsson L Ab
US3532828A (en) * 1967-11-22 1970-10-06 Stromberg Carlson Corp Marking of originating and termination calls

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE948703C (de) * 1944-08-04 1956-09-06 Telefonbau & Normalzeit Gmbh Schaltungsanordnung fuer Fernsprechanlagen mit Waehlerbetrieb und mehreren in Reihe geschalteten Vermittlungsstellen zur Steuerung des Verkehrs ueber Durchgangsaemter
US2686837A (en) * 1949-09-10 1954-08-17 Bell Telephone Labor Inc High-speed electronic switching system
NL154221B (nl) * 1950-06-16 Solvay Werkwijze voor de stereospecifieke polymerisatie van alfa-alkenen en werkwijze voor de bereiding van een bij deze werkwijze bruikbaar katalytisch systeem.
BE529644A (OSRAM) * 1953-06-15
BE535366A (OSRAM) * 1954-02-02
DE1024580B (de) * 1954-10-05 1958-02-20 Int Standard Electric Corp Schaltungsanordnung fuer ein Vermittlungssystem
GB787031A (en) * 1954-12-22 1957-11-27 Telephone Mfg Co Ltd Improvements in private automatic exchanges
BE543846A (OSRAM) * 1954-12-22
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
GB822409A (en) * 1956-06-14 1959-10-28 Siemens Edison Swan Ltd Improvements relating to automatic switching systems
NL108554C (OSRAM) * 1956-07-19
US2916555A (en) * 1956-10-12 1959-12-08 Gen Dynamics Corp Restricted service telephone system
DE1062761B (de) * 1957-09-26 1959-08-06 Siemens Ag Verfahren und Schaltungsanordnung zur Auswahl von Verbindungswegen, die ueber mehrstufige Felder von Koppelpunkten fuehren
US2933564A (en) * 1959-05-21 1960-04-19 Gen Dynamics Corp Multioffice interlocked signaling telephone system

Also Published As

Publication number Publication date
CH405433A (de) 1966-01-15
GB1026661A (en) 1966-04-20
DE1278534B (de) 1968-09-26
CH450493A (de) 1968-01-31
CH451252A (de) 1968-05-15
DE1208362B (de) 1966-01-05
NL267039A (OSRAM)
CH450494A (de) 1968-01-31
GB989338A (en) 1965-04-14
DE1199332B (de) 1965-08-26
SE328031B (OSRAM) 1970-09-07
DE1196717B (de) 1965-07-15
GB989339A (en) 1965-04-14
US3272924A (en) 1966-09-13
GB989336A (en) 1965-04-14

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