FR871123A - Perfectionnements aux gyro-compas à contrôle par liquide - Google Patents

Perfectionnements aux gyro-compas à contrôle par liquide

Info

Publication number
FR871123A
FR871123A FR871123DA FR871123A FR 871123 A FR871123 A FR 871123A FR 871123D A FR871123D A FR 871123DA FR 871123 A FR871123 A FR 871123A
Authority
FR
France
Prior art keywords
compasses
liquid controlled
controlled gyro
gyro
liquid
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
English (en)
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.)
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
Original Assignee
Sperry Gyroscope Co Ltd
Sperry Gyroscope Co Inc
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 Sperry Gyroscope Co Ltd, Sperry Gyroscope Co Inc filed Critical Sperry Gyroscope Co Ltd
Application granted granted Critical
Publication of FR871123A publication Critical patent/FR871123A/fr
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

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Toys (AREA)
  • Emergency Lowering Means (AREA)
FR871123D 1940-03-13 1941-03-28 Perfectionnements aux gyro-compas à contrôle par liquide Expired FR871123A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US323654A US2249345A (en) 1940-03-13 1940-03-13 Gyro compass

Publications (1)

Publication Number Publication Date
FR871123A true FR871123A (fr) 1942-04-09

Family

ID=23260136

Family Applications (1)

Application Number Title Priority Date Filing Date
FR871123D Expired FR871123A (fr) 1940-03-13 1941-03-28 Perfectionnements aux gyro-compas à contrôle par liquide

Country Status (3)

Country Link
US (1) US2249345A (fr)
FR (1) FR871123A (fr)
GB (1) GB547440A (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2739390A (en) * 1951-02-28 1956-03-27 Sperry Rand Corp Damping error eliminator for gyro compasses
GB1032473A (fr) * 1963-06-19
US3321841A (en) * 1963-06-19 1967-05-30 Kabushikikaisha Tokyo Keiki Se Gyrocompass

Also Published As

Publication number Publication date
GB547440A (en) 1942-08-27
US2249345A (en) 1941-07-15

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