GB689266A - Overflow arrangements in automatic exchange systems - Google Patents

Overflow arrangements in automatic exchange systems

Info

Publication number
GB689266A
GB689266A GB25991/50A GB2599150A GB689266A GB 689266 A GB689266 A GB 689266A GB 25991/50 A GB25991/50 A GB 25991/50A GB 2599150 A GB2599150 A GB 2599150A GB 689266 A GB689266 A GB 689266A
Authority
GB
United Kingdom
Prior art keywords
register
wire
switch
finder
found
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
GB25991/50A
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.)
Compagnie Industrielle des Telephones SA
Original Assignee
Compagnie Industrielle des Telephones SA
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 Compagnie Industrielle des Telephones SA filed Critical Compagnie Industrielle des Telephones SA
Publication of GB689266A publication Critical patent/GB689266A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
GB25991/50A 1949-10-27 1950-10-25 Overflow arrangements in automatic exchange systems Expired GB689266A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR999478T 1949-10-27

Publications (1)

Publication Number Publication Date
GB689266A true GB689266A (en) 1953-03-25

Family

ID=9559771

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25991/50A Expired GB689266A (en) 1949-10-27 1950-10-25 Overflow arrangements in automatic exchange systems

Country Status (4)

Country Link
BE (1) BE498998A (enrdf_load_stackoverflow)
CH (1) CH297627A (enrdf_load_stackoverflow)
FR (1) FR999478A (enrdf_load_stackoverflow)
GB (1) GB689266A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
CH297627A (fr) 1954-03-31
BE498998A (enrdf_load_stackoverflow)
FR999478A (fr) 1952-01-31

Similar Documents

Publication Publication Date Title
GB1053347A (enrdf_load_stackoverflow)
GB949552A (en) Electronic switching telephone system
GB409015A (en) Improvements in or relating to telephone systems
GB567864A (en) Improvements in or relating to telecommunication exchange systems
GB689266A (en) Overflow arrangements in automatic exchange systems
GB683881A (en) An automatic telephone or telegraph system
GB1268151A (en) Improvements to selection systems for electrical circuits
GB698848A (en) Improvements in or relating to private automatic branch telephone exchanges
GB769915A (en) Improvements in or relating to electrical connecting circuits
US2504274A (en) System for automatic telephone exchanges with crossbar switches and private branch exchange trunk lines
US2707728A (en) Connector
US3111560A (en) Line circuit
GB652629A (en) Improvements in automatic switching systems
GB752375A (en) Improvements in or relating to a circuit arrangement for an automatic telephone exchange
US2530103A (en) Circuit for identifying the trunk connected to an operator's position
US2857471A (en) Selector switch circuit
US2871418A (en) Automatic telephone system
US3105116A (en) Improvement relating to automatic telecommunication switching systems with party lines
GB653524A (en) Improvements in automatic telephone systems
GB712027A (en) Circuit arrangements for automatic telephone systems, particularly pabx-installations
GB688197A (en) Toll circuits
GB588790A (en) Improvements in or relating to automatic switches for use in telephone or like systems
GB555614A (en) Improvements in or relating to telephone or like systems
GB338875A (en) Improvements in or relating to automatic or semi-automatic telephone systems
GB703223A (en) Improvements in telecommunication switching systems