FR1071914A - Installation téléphonique automatique - Google Patents

Installation téléphonique automatique


Publication number
FR1071914A FR1071914DA FR1071914A FR 1071914 A FR1071914 A FR 1071914A FR 1071914D A FR1071914D A FR 1071914DA FR 1071914 A FR1071914 A FR 1071914A
Prior art keywords
automatic telephone
telephone installation
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.)
Application number
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
Priority to SE1071914X priority Critical
Application filed by Telefonaktiebolaget LM Ericsson AB filed Critical Telefonaktiebolaget LM Ericsson AB
Application granted granted Critical
Publication of FR1071914A publication Critical patent/FR1071914A/fr
Expired legal-status Critical Current



    • H04Q11/00Selecting arrangements for multiplex systems
    • H04Q11/04Selecting arrangements for multiplex systems for time-division multiplexing
FR1071914D 1951-12-07 1952-12-06 Installation téléphonique automatique Expired FR1071914A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SE1071914X 1951-12-07

Publications (1)

Publication Number Publication Date
FR1071914A true FR1071914A (fr) 1954-09-07



Family Applications (1)

Application Number Title Priority Date Filing Date
FR1071914D Expired FR1071914A (fr) 1951-12-07 1952-12-06 Installation téléphonique automatique

Country Status (3)

Country Link
BE (1) BE516057A (fr)
DE (1) DE922722C (fr)
FR (1) FR1071914A (fr)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB784522A (en) * 1954-10-19 1957-10-09 Gen Electric Co Ltd Improvements in and relating to automatic telephone systems
DE1005129B (de) * 1955-04-01 1957-03-28 Automatic Elect Lab Ziffernspeicher
GB850361A (en) * 1955-12-09 1960-10-05 Siemens Edison Swan Ltd Improvements relating to automatic exchange systems
BE558096A (fr) * 1956-06-05
NL239661A (fr) * 1958-05-29
NL265710A (fr) * 1960-06-10

Also Published As

Publication number Publication date
DE922722C (de) 1955-02-28
BE516057A (fr)

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