FR1022152A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR1022152A
FR1022152A FR1022152DA FR1022152A FR 1022152 A FR1022152 A FR 1022152A FR 1022152D A FR1022152D A FR 1022152DA FR 1022152 A FR1022152 A FR 1022152A
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 FR1022152A publication Critical patent/FR1022152A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04Q—SELECTING
    • H04Q3/00—Selecting arrangements
    • H04Q3/0004—Selecting arrangements using crossbar selectors in the switching stages

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
FR1022152D 1950-07-18 1950-07-18 Improvements to telephone systems Expired FR1022152A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1022152T 1950-07-18

Publications (1)

Publication Number Publication Date
FR1022152A true FR1022152A (en) 1953-03-02

Family

ID=9577446

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1022152D Expired FR1022152A (en) 1950-07-18 1950-07-18 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR1022152A (en)

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