FR909723A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR909723A
FR909723A FR909723DA FR909723A FR 909723 A FR909723 A FR 909723A FR 909723D A FR909723D A FR 909723DA FR 909723 A FR909723 A FR 909723A
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)
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 FR909723A publication Critical patent/FR909723A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0016—Arrangements providing connection between exchanges

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR909723D 1943-08-31 1943-08-31 Improvements to telephone systems Expired FR909723A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909723T 1943-08-31

Publications (1)

Publication Number Publication Date
FR909723A true FR909723A (en) 1946-05-16

Family

ID=9408183

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909723D Expired FR909723A (en) 1943-08-31 1943-08-31 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR909723A (en)

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