FR873908A - Improvements to gyroscopic devices - Google Patents

Improvements to gyroscopic devices

Info

Publication number
FR873908A
FR873908A FR873908DA FR873908A FR 873908 A FR873908 A FR 873908A FR 873908D A FR873908D A FR 873908DA FR 873908 A FR873908 A FR 873908A
Authority
FR
France
Prior art keywords
gyroscopic devices
gyroscopic
devices
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.)
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 FR873908A publication Critical patent/FR873908A/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
    • G01C19/36—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by magnetic means, e.g. gyromagnetic compasses
    • 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
    • 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
    • G01C19/04—Details
    • G01C19/16—Suspensions; Bearings
    • G01C19/20—Suspensions; Bearings in fluid

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Braking Arrangements (AREA)
FR873908D 1938-12-17 1939-12-12 Improvements to gyroscopic devices Expired FR873908A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US539225XA 1938-12-17 1938-12-17

Publications (1)

Publication Number Publication Date
FR873908A true FR873908A (en) 1942-07-23

Family

ID=21987468

Family Applications (1)

Application Number Title Priority Date Filing Date
FR873908D Expired FR873908A (en) 1938-12-17 1939-12-12 Improvements to gyroscopic devices

Country Status (2)

Country Link
FR (1) FR873908A (en)
GB (1) GB539225A (en)

Also Published As

Publication number Publication date
GB539225A (en) 1941-09-02

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