FR909161A - Improvements to telephone systems - Google Patents

Improvements to telephone systems

Info

Publication number
FR909161A
FR909161A FR909161DA FR909161A FR 909161 A FR909161 A FR 909161A FR 909161D A FR909161D A FR 909161DA FR 909161 A FR909161 A FR 909161A
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 FR909161A publication Critical patent/FR909161A/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)
FR909161D 1943-04-27 1943-04-27 Improvements to telephone systems Expired FR909161A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR909161T 1943-04-27

Publications (1)

Publication Number Publication Date
FR909161A true FR909161A (en) 1946-05-01

Family

ID=9407719

Family Applications (1)

Application Number Title Priority Date Filing Date
FR909161D Expired FR909161A (en) 1943-04-27 1943-04-27 Improvements to telephone systems

Country Status (1)

Country Link
FR (1) FR909161A (en)

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