FR714538A - Tele-topo-indicator - Google Patents

Tele-topo-indicator

Info

Publication number
FR714538A
FR714538A FR714538DA FR714538A FR 714538 A FR714538 A FR 714538A FR 714538D A FR714538D A FR 714538DA FR 714538 A FR714538 A FR 714538A
Authority
FR
France
Prior art keywords
topo
tele
indicator
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
Lubin-Gustave Huot
Ferruccio Poletti
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 FR714538A publication Critical patent/FR714538A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
    • G01S5/00—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations
    • G01S5/02—Position-fixing by co-ordinating two or more direction or position line determinations; Position-fixing by co-ordinating two or more distance determinations using radio waves
    • G01S5/04—Position of source determined by a plurality of spaced direction-finders

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
FR714538D 1931-03-23 1931-03-23 Tele-topo-indicator Expired FR714538A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR714538T 1931-03-23

Publications (1)

Publication Number Publication Date
FR714538A true FR714538A (en) 1931-11-16

Family

ID=9087631

Family Applications (1)

Application Number Title Priority Date Filing Date
FR714538D Expired FR714538A (en) 1931-03-23 1931-03-23 Tele-topo-indicator

Country Status (1)

Country Link
FR (1) FR714538A (en)

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