FR976080A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR976080A
FR976080A FR976080DA FR976080A FR 976080 A FR976080 A FR 976080A FR 976080D A FR976080D A FR 976080DA FR 976080 A FR976080 A FR 976080A
Authority
FR
France
Prior art keywords
telephone systems
telephone
systems
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
Other languages
French (fr)
Inventor
Henri-Louis Lesigne
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite 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 Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Application granted granted Critical
Publication of FR976080A publication Critical patent/FR976080A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/0016Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR976080D 1942-04-01 1942-04-01 Improvements to telephone systems Expired FR976080A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR976080T 1942-04-01

Publications (1)

Publication Number Publication Date
FR976080A true FR976080A (en) 1951-03-13

Family

ID=9518543

Family Applications (1)

Application Number Title Priority Date Filing Date
FR976080D Expired FR976080A (en) 1942-04-01 1942-04-01 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR976080A (en)

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