FR485465A - Improvements to gyroscopic compasses - Google Patents

Improvements to gyroscopic compasses

Info

Publication number
FR485465A
FR485465A FR485465DA FR485465A FR 485465 A FR485465 A FR 485465A FR 485465D A FR485465D A FR 485465DA FR 485465 A FR485465 A FR 485465A
Authority
FR
France
Prior art keywords
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)
Inventor
Junya Toyokawa
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Application granted granted Critical
Publication of FR485465A publication Critical patent/FR485465A/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
FR485465D 1917-05-14 1917-05-14 Improvements to gyroscopic compasses Expired FR485465A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR485465T 1917-05-14

Publications (1)

Publication Number Publication Date
FR485465A true FR485465A (en) 1918-01-15

Family

ID=33427744

Family Applications (1)

Application Number Title Priority Date Filing Date
FR485465D Expired FR485465A (en) 1917-05-14 1917-05-14 Improvements to gyroscopic compasses

Country Status (1)

Country Link
FR (1) FR485465A (en)

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