FR352431A - Direction Indicator - Google Patents

Direction Indicator

Info

Publication number
FR352431A
FR352431A FR352431DA FR352431A FR 352431 A FR352431 A FR 352431A FR 352431D A FR352431D A FR 352431DA FR 352431 A FR352431 A FR 352431A
Authority
FR
France
Prior art keywords
indicator
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
Ottokar Uhlir
Original Assignee
Ottokar Uhlir
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 Ottokar Uhlir filed Critical Ottokar Uhlir
Priority to FR352431T priority Critical
Application granted granted Critical
Publication of FR352431A publication Critical patent/FR352431A/en
Expired legal-status Critical Current

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01CMEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C19/00Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
    • G01C19/02Rotary gyroscopes
    • G01C19/34Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
    • G01C19/38Rotary 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
FR352431D 1905-03-16 1905-03-16 Direction Indicator Expired FR352431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR352431T 1905-03-16

Publications (1)

Publication Number Publication Date
FR352431A true FR352431A (en) 1905-08-10

Family

ID=1400668

Family Applications (1)

Application Number Title Priority Date Filing Date
FR352431D Expired FR352431A (en) 1905-03-16 1905-03-16 Direction Indicator

Country Status (1)

Country Link
FR (1) FR352431A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577313A (en) * 1949-07-20 1951-12-04 Frederick H Downing Gyroscopic apparatus

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2577313A (en) * 1949-07-20 1951-12-04 Frederick H Downing Gyroscopic apparatus

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