FR941540A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR941540A
FR941540A FR941540DA FR941540A FR 941540 A FR941540 A FR 941540A FR 941540D A FR941540D A FR 941540DA FR 941540 A FR941540 A FR 941540A
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
Fernand-Pierre Gohorel
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 FR941540A publication Critical patent/FR941540A/en
Expired legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04QSELECTING
    • H04Q3/00Selecting arrangements
    • H04Q3/42Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR941540D 1947-02-04 1947-02-04 Improvements to telephone systems Expired FR941540A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR941540T 1947-02-04

Publications (1)

Publication Number Publication Date
FR941540A true FR941540A (en) 1949-01-13

Family

ID=9470051

Family Applications (1)

Application Number Title Priority Date Filing Date
FR941540D Expired FR941540A (en) 1947-02-04 1947-02-04 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR941540A (en)

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