FR996622A - Improvements to telephone switchboards - Google Patents

Improvements to telephone switchboards

Info

Publication number
FR996622A
FR996622A FR996622DA FR996622A FR 996622 A FR996622 A FR 996622A FR 996622D A FR996622D A FR 996622DA FR 996622 A FR996622 A FR 996622A
Authority
FR
France
Prior art keywords
telephone switchboards
switchboards
telephone
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
Edmond-Louis Etienne
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 FR996622A publication Critical patent/FR996622A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR996622D 1945-05-04 1945-05-04 Improvements to telephone switchboards Expired FR996622A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR996622T 1945-05-04

Publications (1)

Publication Number Publication Date
FR996622A true FR996622A (en) 1951-12-24

Family

ID=9557985

Family Applications (1)

Application Number Title Priority Date Filing Date
FR996622D Expired FR996622A (en) 1945-05-04 1945-05-04 Improvements to telephone switchboards

Country Status (1)

Country Link
FR (1) FR996622A (en)

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