FR1489027A - Conservateur de cap - Google Patents

Conservateur de cap

Info

Publication number
FR1489027A
FR1489027A FR69001821A FR69001821A FR1489027A FR 1489027 A FR1489027 A FR 1489027A FR 69001821 A FR69001821 A FR 69001821A FR 69001821 A FR69001821 A FR 69001821A FR 1489027 A FR1489027 A FR 1489027A
Authority
FR
France
Prior art keywords
keeper
course
course keeper
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
FR69001821A
Other languages
English (en)
Inventor
Bernard-Joseph-Lucie Schuh
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
Priority to FR69001821A priority Critical patent/FR1489027A/fr
Application granted granted Critical
Publication of FR1489027A publication Critical patent/FR1489027A/fr
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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/20—Observing the compass card or needle
    • G01C17/26—Observing the compass card or needle using electric pick-offs for transmission to final indicator, e.g. photocell

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
FR69001821A 1965-12-30 1965-12-30 Conservateur de cap Expired FR1489027A (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR69001821A FR1489027A (fr) 1965-12-30 1965-12-30 Conservateur de cap

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69001821A FR1489027A (fr) 1965-12-30 1965-12-30 Conservateur de cap

Publications (1)

Publication Number Publication Date
FR1489027A true FR1489027A (fr) 1967-07-21

Family

ID=1585750

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69001821A Expired FR1489027A (fr) 1965-12-30 1965-12-30 Conservateur de cap

Country Status (1)

Country Link
FR (1) FR1489027A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704047A4 (fr) * 1992-11-20 1995-11-09 Kevin F Mcdermott Indicateur de direction pour la navigation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0704047A4 (fr) * 1992-11-20 1995-11-09 Kevin F Mcdermott Indicateur de direction pour la navigation
US5655308A (en) * 1992-11-20 1997-08-12 Mcdermott; Kevin Illuminating navigation device

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