FR766883A - Method and apparatus for determining, on board an airplane, its speed over the ground and possibly its drift - Google Patents

Method and apparatus for determining, on board an airplane, its speed over the ground and possibly its drift

Info

Publication number
FR766883A
FR766883A FR766883DA FR766883A FR 766883 A FR766883 A FR 766883A FR 766883D A FR766883D A FR 766883DA FR 766883 A FR766883 A FR 766883A
Authority
FR
France
Prior art keywords
airplane
drift
possibly
ground
board
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.)
GALLUS
Original Assignee
GALLUS
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 GALLUS filed Critical GALLUS
Application granted granted Critical
Publication of FR766883A publication Critical patent/FR766883A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
    • G01P3/36—Devices characterised by the use of optical means, e.g. using infrared, visible, or ultraviolet light

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
FR766883D 1934-01-11 1934-01-11 Method and apparatus for determining, on board an airplane, its speed over the ground and possibly its drift Expired FR766883A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR766883T 1934-01-11

Publications (1)

Publication Number Publication Date
FR766883A true FR766883A (en) 1934-07-05

Family

ID=9183547

Family Applications (1)

Application Number Title Priority Date Filing Date
FR766883D Expired FR766883A (en) 1934-01-11 1934-01-11 Method and apparatus for determining, on board an airplane, its speed over the ground and possibly its drift

Country Status (1)

Country Link
FR (1) FR766883A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059377B (en) * 1954-04-09 1959-06-18 Ri Ri Werke A G Reinforcement plate for the end links of a zipper

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1059377B (en) * 1954-04-09 1959-06-18 Ri Ri Werke A G Reinforcement plate for the end links of a zipper

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