GB357301A - Improvements in automatic telephone exchanges - Google Patents

Improvements in automatic telephone exchanges

Info

Publication number
GB357301A
GB357301A GB2056430A GB2056430A GB357301A GB 357301 A GB357301 A GB 357301A GB 2056430 A GB2056430 A GB 2056430A GB 2056430 A GB2056430 A GB 2056430A GB 357301 A GB357301 A GB 357301A
Authority
GB
United Kingdom
Prior art keywords
controlling devices
plug
cord
selectors
selector
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
GB2056430A
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
Priority to GB2056430A priority Critical patent/GB357301A/en
Priority to FR698658D priority patent/FR698658A/fr
Priority to BE371891D priority patent/BE371891A/xx
Publication of GB357301A publication Critical patent/GB357301A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q1/00—Details of selecting apparatus or arrangements
    • H04Q1/02—Constructional details
    • H04Q1/16—Wiring arrangements for selector switches or relays in frames

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Structure Of Telephone Exchanges (AREA)
GB2056430A 1930-07-07 1930-07-07 Improvements in automatic telephone exchanges Expired GB357301A (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
GB2056430A GB357301A (en) 1930-07-07 1930-07-07 Improvements in automatic telephone exchanges
FR698658D FR698658A (fr) 1930-07-07 1930-07-08 Perfectionnements apportés aux circuits des installations pour la téléphonie automatique
BE371891D BE371891A (enrdf_load_stackoverflow) 1930-07-07 1930-07-11

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2056430A GB357301A (en) 1930-07-07 1930-07-07 Improvements in automatic telephone exchanges

Publications (1)

Publication Number Publication Date
GB357301A true GB357301A (en) 1931-09-24

Family

ID=10147990

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2056430A Expired GB357301A (en) 1930-07-07 1930-07-07 Improvements in automatic telephone exchanges

Country Status (3)

Country Link
BE (1) BE371891A (enrdf_load_stackoverflow)
FR (1) FR698658A (enrdf_load_stackoverflow)
GB (1) GB357301A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082301B (de) * 1958-03-25 1960-05-25 Siemens Ag Albis Fernmeldegeraeteschrank fuer steckbare Einschuebe

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1082301B (de) * 1958-03-25 1960-05-25 Siemens Ag Albis Fernmeldegeraeteschrank fuer steckbare Einschuebe

Also Published As

Publication number Publication date
BE371891A (enrdf_load_stackoverflow) 1930-08-30
FR698658A (fr) 1931-02-03

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