FR1513419A - Procédé de détermination de la direction de l'axe des pôles terrestres - Google Patents

Procédé de détermination de la direction de l'axe des pôles terrestres

Info

Publication number
FR1513419A
FR1513419A FR87563A FR87563A FR1513419A FR 1513419 A FR1513419 A FR 1513419A FR 87563 A FR87563 A FR 87563A FR 87563 A FR87563 A FR 87563A FR 1513419 A FR1513419 A FR 1513419A
Authority
FR
France
Prior art keywords
poles
earth
determining
axis
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
FR87563A
Other languages
English (en)
Inventor
Jean-Michel Catherin
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.)
Alcatel Lucent SAS
Original Assignee
Compagnie Generale dElectricite SA
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 Compagnie Generale dElectricite SA filed Critical Compagnie Generale dElectricite SA
Priority to FR87563A priority Critical patent/FR1513419A/fr
Priority claimed from FR109148A external-priority patent/FR92569E/fr
Priority to BE707833D priority patent/BE707833A/xx
Priority to CH1735167A priority patent/CH488168A/fr
Priority to GB56316/67A priority patent/GB1208449A/en
Priority to FI673322A priority patent/FI45599C/fi
Priority to LU55082D priority patent/LU55082A1/xx
Priority to NO00170979A priority patent/NO126245B/no
Priority to NL6717006A priority patent/NL6717006A/xx
Priority to DE19671623407 priority patent/DE1623407A1/de
Priority to US690814A priority patent/US3579846A/en
Priority to SE17292/67A priority patent/SE335237B/xx
Publication of FR1513419A publication Critical patent/FR1513419A/fr
Application granted granted Critical
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
    • G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/58—Turn-sensitive devices without moving masses
    • G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
    • G01C19/66—Ring laser gyrometers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/081—Construction or shape of optical resonators or components thereof comprising three or more reflectors
    • H01S3/083—Ring lasers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Plasma & Fusion (AREA)
  • Power Engineering (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Gyroscopes (AREA)
FR87563A 1966-12-15 1966-12-15 Procédé de détermination de la direction de l'axe des pôles terrestres Expired FR1513419A (fr)

Priority Applications (11)

Application Number Priority Date Filing Date Title
FR87563A FR1513419A (fr) 1966-12-15 1966-12-15 Procédé de détermination de la direction de l'axe des pôles terrestres
BE707833D BE707833A (fr) 1966-12-15 1967-12-11
CH1735167A CH488168A (fr) 1966-12-15 1967-12-11 Procédé pour la détermination d'un plan fixe par rapport à un corps en rotation autour d'un axe, et dispositif pour la mise en oeuvre de ce procédé
GB56316/67A GB1208449A (en) 1966-12-15 1967-12-12 Apparatus for the determination of a reference plane on a body rotating about an axis
FI673322A FI45599C (fi) 1966-12-15 1967-12-13 Laite suunnan määrittämistä varten, erityisesti maapallon akseliin näh den
LU55082D LU55082A1 (fr) 1966-12-15 1967-12-13
NO00170979A NO126245B (fr) 1966-12-15 1967-12-14
NL6717006A NL6717006A (fr) 1966-12-15 1967-12-14
DE19671623407 DE1623407A1 (de) 1966-12-15 1967-12-15 Verfahren zur Bestimmung einer Bezugsrichtung,insbesondere zur Bestimmung der Achse der Erdpole
US690814A US3579846A (en) 1966-12-15 1967-12-15 Laser gyrometer system
SE17292/67A SE335237B (fr) 1966-12-15 1967-12-15

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR87563A FR1513419A (fr) 1966-12-15 1966-12-15 Procédé de détermination de la direction de l'axe des pôles terrestres
FR109148A FR92569E (fr) 1967-06-05 1967-06-05 Procédé de détermination de la direction de l'axe des pôles terrestres

Publications (1)

Publication Number Publication Date
FR1513419A true FR1513419A (fr) 1968-02-16

Family

ID=26174366

Family Applications (1)

Application Number Title Priority Date Filing Date
FR87563A Expired FR1513419A (fr) 1966-12-15 1966-12-15 Procédé de détermination de la direction de l'axe des pôles terrestres

Country Status (11)

Country Link
US (1) US3579846A (fr)
BE (1) BE707833A (fr)
CH (1) CH488168A (fr)
DE (1) DE1623407A1 (fr)
FI (1) FI45599C (fr)
FR (1) FR1513419A (fr)
GB (1) GB1208449A (fr)
LU (1) LU55082A1 (fr)
NL (1) NL6717006A (fr)
NO (1) NO126245B (fr)
SE (1) SE335237B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626512A (en) * 1968-05-07 1971-12-07 Comp Generale Electricite Process and apparatus for determining a reference direction

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3522026A1 (de) * 1985-06-20 1987-01-02 Teldix Gmbh Verfahren zur signalauswertung eines den sagnac-effekt nutzenden lichtleitfaserrotationssensors
US4973158A (en) * 1987-11-04 1990-11-27 Richard Marsh Rotating laser beam reference plane instrument
US5400514A (en) * 1994-02-22 1995-03-28 Economy Laser, Inc. Laser instrument for tracing reference lines and other geometric figures

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981113A (en) * 1958-11-19 1961-04-25 Litton Systems Inc Precision directional reference
US3395270A (en) * 1962-06-28 1968-07-30 Jack B. Speller Relativistic inertial reference device
US3316768A (en) * 1963-10-29 1967-05-02 Thiokol Chemical Corp Magnetic angular velocity indicating system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3626512A (en) * 1968-05-07 1971-12-07 Comp Generale Electricite Process and apparatus for determining a reference direction

Also Published As

Publication number Publication date
LU55082A1 (fr) 1969-08-08
FI45599B (fr) 1972-04-04
SE335237B (fr) 1971-05-17
DE1623407A1 (de) 1971-03-18
CH488168A (fr) 1970-03-31
BE707833A (fr) 1968-06-11
NO126245B (fr) 1973-01-08
NL6717006A (fr) 1968-06-17
FI45599C (fi) 1972-07-10
US3579846A (en) 1971-05-25
GB1208449A (en) 1970-10-14

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