FR944746A - Improvements to electrical telecommunications devices - Google Patents

Improvements to electrical telecommunications devices

Info

Publication number
FR944746A
FR944746A FR944746DA FR944746A FR 944746 A FR944746 A FR 944746A FR 944746D A FR944746D A FR 944746DA FR 944746 A FR944746 A FR 944746A
Authority
FR
France
Prior art keywords
telecommunications devices
electrical telecommunications
electrical
devices
telecommunications
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
Robert Delefosse
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 filed Critical
Application granted granted Critical
Publication of FR944746A publication Critical patent/FR944746A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04M—TELEPHONIC COMMUNICATION
    • H04M9/00—Arrangements for interconnection not involving centralised switching
    • H04M9/001—Two-way communication systems between a limited number of parties

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
FR944746D 1947-04-05 1947-04-05 Improvements to electrical telecommunications devices Expired FR944746A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR944746T 1947-04-05

Publications (1)

Publication Number Publication Date
FR944746A true FR944746A (en) 1949-04-13

Family

ID=9471894

Family Applications (1)

Application Number Title Priority Date Filing Date
FR944746D Expired FR944746A (en) 1947-04-05 1947-04-05 Improvements to electrical telecommunications devices

Country Status (1)

Country Link
FR (1) FR944746A (en)

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