FR915908A - Improvements to telephone installations - Google Patents

Improvements to telephone installations

Info

Publication number
FR915908A
FR915908A FR915908DA FR915908A FR 915908 A FR915908 A FR 915908A FR 915908D A FR915908D A FR 915908DA FR 915908 A FR915908 A FR 915908A
Authority
FR
France
Prior art keywords
telephone installations
installations
telephone
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
Rene-Albert-Marie De Fab Mazan
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 FR915908A publication Critical patent/FR915908A/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)
FR915908D 1945-06-06 1945-06-06 Improvements to telephone installations Expired FR915908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR915908T 1945-06-06

Publications (1)

Publication Number Publication Date
FR915908A true FR915908A (en) 1946-11-21

Family

ID=9423086

Family Applications (1)

Application Number Title Priority Date Filing Date
FR915908D Expired FR915908A (en) 1945-06-06 1945-06-06 Improvements to telephone installations

Country Status (1)

Country Link
FR (1) FR915908A (en)

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