FR854251A - Improvements made to installations to link several positions on board air navigation devices - Google Patents

Improvements made to installations to link several positions on board air navigation devices

Info

Publication number
FR854251A
FR854251A FR854251DA FR854251A FR 854251 A FR854251 A FR 854251A FR 854251D A FR854251D A FR 854251DA FR 854251 A FR854251 A FR 854251A
Authority
FR
France
Prior art keywords
installations
improvements made
navigation devices
several positions
air navigation
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
Merles
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 FR854251A publication Critical patent/FR854251A/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)
FR854251D 1938-12-28 1938-12-28 Improvements made to installations to link several positions on board air navigation devices Expired FR854251A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR854251T 1938-12-28

Publications (1)

Publication Number Publication Date
FR854251A true FR854251A (en) 1940-04-09

Family

ID=9327666

Family Applications (1)

Application Number Title Priority Date Filing Date
FR854251D Expired FR854251A (en) 1938-12-28 1938-12-28 Improvements made to installations to link several positions on board air navigation devices

Country Status (1)

Country Link
FR (1) FR854251A (en)

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