FR615139A - Automatic device making it possible to follow on a map on board an airplane or an aircraft the progress of this device - Google Patents

Automatic device making it possible to follow on a map on board an airplane or an aircraft the progress of this device

Info

Publication number
FR615139A
FR615139A FR615139DA FR615139A FR 615139 A FR615139 A FR 615139A FR 615139D A FR615139D A FR 615139DA FR 615139 A FR615139 A FR 615139A
Authority
FR
France
Prior art keywords
airplane
aircraft
map
progress
follow
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
Henri Mainie
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 FR615139A publication Critical patent/FR615139A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations
    • G01C21/22—Plotting boards

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR615139D 1925-09-11 1925-09-11 Automatic device making it possible to follow on a map on board an airplane or an aircraft the progress of this device Expired FR615139A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR615139T 1925-09-11

Publications (1)

Publication Number Publication Date
FR615139A true FR615139A (en) 1926-12-30

Family

ID=8980697

Family Applications (1)

Application Number Title Priority Date Filing Date
FR615139D Expired FR615139A (en) 1925-09-11 1925-09-11 Automatic device making it possible to follow on a map on board an airplane or an aircraft the progress of this device

Country Status (1)

Country Link
FR (1) FR615139A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564576A (en) * 1945-09-28 1951-08-14 Juy Lucien Charles Hippolyte Variable-speed gear for bicycles, tandems, and the like

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2564576A (en) * 1945-09-28 1951-08-14 Juy Lucien Charles Hippolyte Variable-speed gear for bicycles, tandems, and the like

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