FR72020E - Device for correcting the position of a gyroscope relative to the true vertical - Google Patents

Device for correcting the position of a gyroscope relative to the true vertical

Info

Publication number
FR72020E
FR72020E FR72020DA FR72020E FR 72020 E FR72020 E FR 72020E FR 72020D A FR72020D A FR 72020DA FR 72020 E FR72020 E FR 72020E
Authority
FR
France
Prior art keywords
correcting
true vertical
gyroscope relative
gyroscope
relative
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.)
Thales Nederland BV
Original Assignee
Thales Nederland BV
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 Thales Nederland BV filed Critical Thales Nederland BV
Application granted granted Critical
Publication of FR72020E publication Critical patent/FR72020E/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
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • 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
    • G01C19/02—Rotary gyroscopes
    • G01C19/44—Rotary gyroscopes for indicating the vertical
FR72020D 1957-05-14 1957-05-14 Device for correcting the position of a gyroscope relative to the true vertical Expired FR72020E (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR72020T 1957-05-14

Publications (1)

Publication Number Publication Date
FR72020E true FR72020E (en) 1960-03-21

Family

ID=8703540

Family Applications (1)

Application Number Title Priority Date Filing Date
FR72020D Expired FR72020E (en) 1957-05-14 1957-05-14 Device for correcting the position of a gyroscope relative to the true vertical

Country Status (1)

Country Link
FR (1) FR72020E (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164023A (en) * 1962-09-10 1965-01-05 Oscar C Holderer Motion sensing transducer
US3271650A (en) * 1963-09-24 1966-09-06 Western Electric Co System for maintaining an object in a predetermined reference plane
US3299523A (en) * 1964-06-05 1967-01-24 Lawrence N Lea Levels
US3530726A (en) * 1967-01-03 1970-09-29 Block Engineering Accelerometer
CN107990875A (en) * 2017-12-31 2018-05-04 交通运输部公路科学研究所 It is a kind of to carry the levelling rod for helping straight device automatically

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3164023A (en) * 1962-09-10 1965-01-05 Oscar C Holderer Motion sensing transducer
US3271650A (en) * 1963-09-24 1966-09-06 Western Electric Co System for maintaining an object in a predetermined reference plane
US3299523A (en) * 1964-06-05 1967-01-24 Lawrence N Lea Levels
US3530726A (en) * 1967-01-03 1970-09-29 Block Engineering Accelerometer
CN107990875A (en) * 2017-12-31 2018-05-04 交通运输部公路科学研究所 It is a kind of to carry the levelling rod for helping straight device automatically

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