FR838069A - Perfectionnements aux instruments de navigation ou de vol - Google Patents

Perfectionnements aux instruments de navigation ou de vol

Info

Publication number
FR838069A
FR838069A FR838069DA FR838069A FR 838069 A FR838069 A FR 838069A FR 838069D A FR838069D A FR 838069DA FR 838069 A FR838069 A FR 838069A
Authority
FR
France
Prior art keywords
navigation
flight instruments
flight
instruments
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
Original Assignee
Sperry Gyroscope Co Ltd
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 filed Critical Sperry Gyroscope Co Ltd
Application granted granted Critical
Publication of FR838069A publication Critical patent/FR838069A/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
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/04—Magnetic compasses with north-seeking magnetic elements, e.g. needles
    • G01C17/20—Observing the compass card or needle
    • G01C17/26—Observing the compass card or needle using electric pick-offs for transmission to final indicator, e.g. photocell
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
    • G01C17/02—Magnetic compasses
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor 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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • Electric Clocks (AREA)
  • Reciprocating, Oscillating Or Vibrating Motors (AREA)
FR838069D 1937-05-18 1938-05-17 Perfectionnements aux instruments de navigation ou de vol Expired FR838069A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US143265A US2176197A (en) 1937-05-18 1937-05-18 Earth inductor compass

Publications (1)

Publication Number Publication Date
FR838069A true FR838069A (fr) 1939-02-27

Family

ID=22503308

Family Applications (1)

Application Number Title Priority Date Filing Date
FR838069D Expired FR838069A (fr) 1937-05-18 1938-05-17 Perfectionnements aux instruments de navigation ou de vol

Country Status (3)

Country Link
US (1) US2176197A (fr)
FR (1) FR838069A (fr)
GB (1) GB506458A (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3445761A (en) * 1965-09-22 1969-05-20 Us Army Magnetic field intensity meter
US3634946A (en) * 1969-02-10 1972-01-18 Lundy Electronics & Syst Inc Digital compass
US5134394A (en) * 1990-04-12 1992-07-28 Beadle Leigh P Light aircraft navigation apparatus
US5218355A (en) * 1990-10-25 1993-06-08 Burkhardt Donald P Apparatus for projecting artificial horizon viewable by peripheral vision

Also Published As

Publication number Publication date
US2176197A (en) 1939-10-17
GB506458A (en) 1939-05-30

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