GB768093A - Automatic telephone system comprising electronic control equipments - Google Patents

Automatic telephone system comprising electronic control equipments

Info

Publication number
GB768093A
GB768093A GB1115354D GB1115354D GB768093A GB 768093 A GB768093 A GB 768093A GB 1115354 D GB1115354 D GB 1115354D GB 1115354 D GB1115354 D GB 1115354D GB 768093 A GB768093 A GB 768093A
Authority
GB
United Kingdom
Prior art keywords
pulses
line
register
junction
switch
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
GB1115354D
Other languages
English (en)
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.)
STC PLC
Original Assignee
Standard Telephone and Cables PLC
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 Standard Telephone and Cables PLC filed Critical Standard Telephone and Cables PLC
Publication of GB768093A publication Critical patent/GB768093A/en
Expired legal-status Critical Current

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)
  • Interface Circuits In Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB1115354D 1953-04-24 1954-04-15 Automatic telephone system comprising electronic control equipments Expired GB768093A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR964956X 1953-04-24

Publications (1)

Publication Number Publication Date
GB768093A true GB768093A (en) 1957-02-13

Family

ID=9499575

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1115354D Expired GB768093A (en) 1953-04-24 1954-04-15 Automatic telephone system comprising electronic control equipments

Country Status (6)

Country Link
US (1) US2787664A (US06262066-20010717-C00315.png)
BE (1) BE528313A (US06262066-20010717-C00315.png)
CH (1) CH327533A (US06262066-20010717-C00315.png)
DE (1) DE964956C (US06262066-20010717-C00315.png)
FR (1) FR1081198A (US06262066-20010717-C00315.png)
GB (1) GB768093A (US06262066-20010717-C00315.png)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2890286A (en) * 1954-12-02 1959-06-09 Siemens Edison Swan Ltd Automatic exchange systems
DE1105475B (de) * 1959-09-02 1961-04-27 Telefonbau Schaltungsanordnung fuer Fernsprechanlagen mit mehreren Verkehrsrichtungen und Trennung der Einstell- und Sprechwege
DE1285568B (de) * 1964-04-10 1968-12-19 Int Standard Electric Corp Durchschaltenetzwerk fuer eine Fernsprechvermittlungsanlage
GB1123571A (en) * 1965-08-18 1968-08-14 Ass Elect Ind Improvements relating to automatic telecommunication systems

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE496497A (US06262066-20010717-C00315.png) * 1949-06-30
BE496916A (US06262066-20010717-C00315.png) * 1949-07-29
BE498266A (US06262066-20010717-C00315.png) * 1949-09-23

Also Published As

Publication number Publication date
BE528313A (US06262066-20010717-C00315.png) 1900-01-01
US2787664A (en) 1957-04-02
CH327533A (fr) 1958-01-31
FR1081198A (fr) 1954-12-16
DE964956C (de) 1957-05-29

Similar Documents

Publication Publication Date Title
GB768093A (en) Automatic telephone system comprising electronic control equipments
US2201573A (en) Telephone system
US2850576A (en) Line concentrator system
US2299212A (en) Telephone system
GB731779A (en) Multi-group primary-secondary-spread crossbar telephone system
GB710161A (en) Improvements in or relating to automatic telephone systems
US2806088A (en) Communication system
US1568039A (en) Telephone-exchange system
GB683881A (en) An automatic telephone or telegraph system
GB560732A (en) Improvements in or relating to telephone or like systems employing crossbar switches
GB714359A (en) Improvements in or relating to circuit arrangements for the connection of incoming and outgoing lines by means of selecting arrangements in telecommunication installations more particularly in automatic telephone installations
US2668876A (en) Double-selection electronic switching system
US1601052A (en) Telephone-exchange system
US3351722A (en) Telephone automatic test circuit
US3499123A (en) Group selecting arrangement for automatic telephone systems using crosspoint relay matrix switches
US2672520A (en) Telephone system for private automatic business exchanges
US3038969A (en) Pbx trunk hunting in electronic switching telephone systems
US1559244A (en) Telephone-exchange system
US3660612A (en) Common control telephone switching system employing added data wire
GB754652A (en) Selection system for electrical circuits or equipments
US3883698A (en) Arrangement for handling permanent signals
US3265820A (en) Apparatus for testing telephone switching systems
US1505105A (en) Multioffice telephone system
GB1026661A (en) Improvements relating to automatic telecommunication switching systems
US1553347A (en) Telephone-exchange system