FR1180642A - Telephone transmission system - Google Patents

Telephone transmission system

Info

Publication number
FR1180642A
FR1180642A FR1180642DA FR1180642A FR 1180642 A FR1180642 A FR 1180642A FR 1180642D A FR1180642D A FR 1180642DA FR 1180642 A FR1180642 A FR 1180642A
Authority
FR
France
Prior art keywords
transmission system
telephone transmission
telephone
transmission
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
Alfred Hoffmann
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 FR1180642A publication Critical patent/FR1180642A/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)
FR1180642D 1957-03-11 1957-03-11 Telephone transmission system Expired FR1180642A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1180642T 1957-03-11

Publications (1)

Publication Number Publication Date
FR1180642A true FR1180642A (en) 1959-06-08

Family

ID=9661746

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1180642D Expired FR1180642A (en) 1957-03-11 1957-03-11 Telephone transmission system

Country Status (1)

Country Link
FR (1) FR1180642A (en)

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