GB737509A - Improvements in or relating to switching arrangements for automatic telephone systems - Google Patents

Improvements in or relating to switching arrangements for automatic telephone systems

Info

Publication number
GB737509A
GB737509A GB13911/53A GB1391153A GB737509A GB 737509 A GB737509 A GB 737509A GB 13911/53 A GB13911/53 A GB 13911/53A GB 1391153 A GB1391153 A GB 1391153A GB 737509 A GB737509 A GB 737509A
Authority
GB
United Kingdom
Prior art keywords
over
gap
switches
free
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
GB13911/53A
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 GB737509A publication Critical patent/GB737509A/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)
  • Control Of Indicators Other Than Cathode Ray Tubes (AREA)
  • Magnetically Actuated Valves (AREA)
  • Selective Calling Equipment (AREA)
GB13911/53A 1952-05-16 1953-05-18 Improvements in or relating to switching arrangements for automatic telephone systems Expired GB737509A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE737509X 1952-05-16

Publications (1)

Publication Number Publication Date
GB737509A true GB737509A (en) 1955-09-28

Family

ID=20319744

Family Applications (1)

Application Number Title Priority Date Filing Date
GB13911/53A Expired GB737509A (en) 1952-05-16 1953-05-18 Improvements in or relating to switching arrangements for automatic telephone systems

Country Status (5)

Country Link
US (1) US2777015A (enrdf_load_stackoverflow)
BE (1) BE519952A (enrdf_load_stackoverflow)
DE (1) DE931291C (enrdf_load_stackoverflow)
FR (1) FR1079359A (enrdf_load_stackoverflow)
GB (1) GB737509A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB779235A (en) * 1954-04-15 1957-07-17 Automatic Telephone & Elect Improvements in or relating to telephone systems
FR1133024A (fr) * 1955-07-12 1957-03-20 Constr Telephoniques Perfectionnements aux systèmes téléphoniques
NL104705C (enrdf_load_stackoverflow) * 1955-10-19
GB822409A (en) * 1956-06-14 1959-10-28 Siemens Edison Swan Ltd Improvements relating to automatic switching systems
NL126947C (enrdf_load_stackoverflow) * 1958-01-15
US3313888A (en) * 1962-05-15 1967-04-11 Hitachi Ltd Split-switch crossbar trunking system

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2291040A (en) * 1941-02-08 1942-07-28 Bell Telephone Labor Inc Switching system
US2326458A (en) * 1942-02-17 1943-08-10 Bell Telephone Labor Inc Selection system
BE485493A (enrdf_load_stackoverflow) * 1947-10-29

Also Published As

Publication number Publication date
FR1079359A (fr) 1954-11-29
DE931291C (de) 1955-08-04
BE519952A (enrdf_load_stackoverflow)
US2777015A (en) 1957-01-08

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