FR1034736A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR1034736A
FR1034736A FR1034736DA FR1034736A FR 1034736 A FR1034736 A FR 1034736A FR 1034736D A FR1034736D A FR 1034736DA FR 1034736 A FR1034736 A FR 1034736A
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
Ernest-Alexandre-Pau Bon
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.)
Thales SA
Original Assignee
CSF Compagnie Generale de Telegraphie sans Fil 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 CSF Compagnie Generale de Telegraphie sans Fil SA filed Critical CSF Compagnie Generale de Telegraphie sans Fil SA
Application granted granted Critical
Publication of FR1034736A publication Critical patent/FR1034736A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M5/00—Manual exchanges
    • H04M5/10—Manual exchanges using separate plug for each subscriber

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR1034736D 1951-01-09 1951-01-09 Improvements to telephone systems Expired FR1034736A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1034736T 1951-01-09

Publications (1)

Publication Number Publication Date
FR1034736A true FR1034736A (en) 1953-07-30

Family

ID=9585278

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1034736D Expired FR1034736A (en) 1951-01-09 1951-01-09 Improvements to telephone systems

Country Status (2)

Country Link
BE (1) BE509656A (en)
FR (1) FR1034736A (en)

Also Published As

Publication number Publication date
BE509656A (en)

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