FR1023584A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR1023584A
FR1023584A FR1023584DA FR1023584A FR 1023584 A FR1023584 A FR 1023584A FR 1023584D A FR1023584D A FR 1023584DA FR 1023584 A FR1023584 A FR 1023584A
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
Cabriel-Jacques-Mari Penet
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 FR1023584A publication Critical patent/FR1023584A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/42—Circuit arrangements for indirect selecting controlled by common circuits, e.g. register controller, marker

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR1023584D 1950-08-18 1950-08-18 Improvements to telephone systems Expired FR1023584A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1023584T 1950-08-18

Publications (1)

Publication Number Publication Date
FR1023584A true FR1023584A (en) 1953-03-20

Family

ID=9578349

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1023584D Expired FR1023584A (en) 1950-08-18 1950-08-18 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR1023584A (en)

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