FR821650A - Improvements to derivometers for aircraft, ships and other vehicles - Google Patents

Improvements to derivometers for aircraft, ships and other vehicles

Info

Publication number
FR821650A
FR821650A FR821650DA FR821650A FR 821650 A FR821650 A FR 821650A FR 821650D A FR821650D A FR 821650DA FR 821650 A FR821650 A FR 821650A
Authority
FR
France
Prior art keywords
derivometers
ships
aircraft
vehicles
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)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
GALILEO OFF
Original Assignee
GALILEO OFF
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 by GALILEO OFF filed Critical GALILEO OFF
Application granted granted Critical
Publication of FR821650A publication Critical patent/FR821650A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Automation & Control Theory (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR821650D 1937-01-14 1937-05-08 Improvements to derivometers for aircraft, ships and other vehicles Expired FR821650A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT821650X 1937-01-14

Publications (1)

Publication Number Publication Date
FR821650A true FR821650A (en) 1937-12-09

Family

ID=11317467

Family Applications (1)

Application Number Title Priority Date Filing Date
FR821650D Expired FR821650A (en) 1937-01-14 1937-05-08 Improvements to derivometers for aircraft, ships and other vehicles

Country Status (1)

Country Link
FR (1) FR821650A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561713A (en) * 1943-12-23 1951-07-24 Nordiska Armaturfab Ab Gyro horizon with optical horizon indicator

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2561713A (en) * 1943-12-23 1951-07-24 Nordiska Armaturfab Ab Gyro horizon with optical horizon indicator

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