GB361927A - Improvements in switching arrangements for automatic telephone systems - Google Patents

Improvements in switching arrangements for automatic telephone systems

Info

Publication number
GB361927A
GB361927A GB25589/30A GB2558930A GB361927A GB 361927 A GB361927 A GB 361927A GB 25589/30 A GB25589/30 A GB 25589/30A GB 2558930 A GB2558930 A GB 2558930A GB 361927 A GB361927 A GB 361927A
Authority
GB
United Kingdom
Prior art keywords
link
line switch
energizes
section
call
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
GB25589/30A
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.)
Telefonaktiebolaget LM Ericsson AB
Original Assignee
Telefonaktiebolaget LM Ericsson AB
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 Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Publication of GB361927A publication Critical patent/GB361927A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Mechanical Engineering (AREA)
  • Monitoring And Testing Of Exchanges (AREA)
  • Structure Of Telephone Exchanges (AREA)
  • Interface Circuits In Exchanges (AREA)
  • Sub-Exchange Stations And Push- Button Telephones (AREA)
GB25589/30A 1929-08-28 1930-08-27 Improvements in switching arrangements for automatic telephone systems Expired GB361927A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE361927X 1929-08-28

Publications (1)

Publication Number Publication Date
GB361927A true GB361927A (en) 1931-11-27

Family

ID=20308945

Family Applications (1)

Application Number Title Priority Date Filing Date
GB25589/30A Expired GB361927A (en) 1929-08-28 1930-08-27 Improvements in switching arrangements for automatic telephone systems

Country Status (5)

Country Link
US (1) US1845604A (enrdf_load_stackoverflow)
BE (1) BE361927A (enrdf_load_stackoverflow)
DE (1) DE571977C (enrdf_load_stackoverflow)
FR (1) FR703190A (enrdf_load_stackoverflow)
GB (1) GB361927A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL57910C (nl) * 1942-03-31 1946-07-15 Bell Telephone Manufacturing Co Sa Schakeling voor telefoonstelsels of soortgelijke stelsels met registerbesturing
US2711444A (en) * 1951-05-19 1955-06-21 Nederlanden Staat Junction diagram for automatic switching system
US2813929A (en) * 1951-11-12 1957-11-19 Nederlanden Staat Automatic signalling system

Also Published As

Publication number Publication date
FR703190A (fr) 1931-04-25
DE571977C (de) 1933-03-10
BE361927A (enrdf_load_stackoverflow)
US1845604A (en) 1932-02-16

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