FR1007730A - Improvement in gyroscopic compasses - Google Patents

Improvement in gyroscopic compasses

Info

Publication number
FR1007730A
FR1007730A FR1007730DA FR1007730A FR 1007730 A FR1007730 A FR 1007730A FR 1007730D A FR1007730D A FR 1007730DA FR 1007730 A FR1007730 A FR 1007730A
Authority
FR
France
Prior art keywords
improvement
gyroscopic compasses
compasses
gyroscopic
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.)
Optique et Precision de Levallois SA
Original Assignee
Optique et Precision de Levallois 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 Optique et Precision de Levallois SA filed Critical Optique et Precision de Levallois SA
Application granted granted Critical
Publication of FR1007730A publication Critical patent/FR1007730A/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
    • 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
    • G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
FR1007730D 1948-03-24 1948-03-24 Improvement in gyroscopic compasses Expired FR1007730A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1007730T 1948-03-24

Publications (1)

Publication Number Publication Date
FR1007730A true FR1007730A (en) 1952-05-09

Family

ID=9566794

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1007730D Expired FR1007730A (en) 1948-03-24 1948-03-24 Improvement in gyroscopic compasses

Country Status (1)

Country Link
FR (1) FR1007730A (en)

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