FR20420E - Perfectionnements aux compas gyroscopiques - Google Patents

Perfectionnements aux compas gyroscopiques

Info

Publication number
FR20420E
FR20420E FR20420DD FR20420E FR 20420 E FR20420 E FR 20420E FR 20420D D FR20420D D FR 20420DD FR 20420 E FR20420 E FR 20420E
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
English (en)
Inventor
James Blacklock Henderson
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 FR20420E publication Critical patent/FR20420E/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)
FR20420D 1915-11-15 1917-01-23 Perfectionnements aux compas gyroscopiques Expired FR20420E (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB191516098T 1915-11-15
GB191601307T 1916-01-27

Publications (1)

Publication Number Publication Date
FR20420E true FR20420E (fr) 1917-12-21

Family

ID=33436333

Family Applications (1)

Application Number Title Priority Date Filing Date
FR20420D Expired FR20420E (fr) 1915-11-15 1917-01-23 Perfectionnements aux compas gyroscopiques

Country Status (1)

Country Link
FR (1) FR20420E (fr)

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