SE7508624L - NUMERIC MAGNETIC COMPASS - Google Patents

NUMERIC MAGNETIC COMPASS

Info

Publication number
SE7508624L
SE7508624L SE7508624A SE7508624A SE7508624L SE 7508624 L SE7508624 L SE 7508624L SE 7508624 A SE7508624 A SE 7508624A SE 7508624 A SE7508624 A SE 7508624A SE 7508624 L SE7508624 L SE 7508624L
Authority
SE
Sweden
Prior art keywords
numeric
magnetic compass
compass
magnetic
numeric magnetic
Prior art date
Application number
SE7508624A
Other languages
Swedish (sv)
Inventor
L M Manotte
Original Assignee
France Etat Armement
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 France Etat Armement filed Critical France Etat Armement
Publication of SE7508624L publication Critical patent/SE7508624L/en

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
SE7508624A 1974-10-11 1975-07-30 NUMERIC MAGNETIC COMPASS SE7508624L (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7434195A FR2287681A1 (en) 1974-10-11 1974-10-11 Digital magnetic compass - produces digital measurement of azimuth of given direction with respect to earths magnetic field

Publications (1)

Publication Number Publication Date
SE7508624L true SE7508624L (en) 1976-04-12

Family

ID=9143968

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7508624A SE7508624L (en) 1974-10-11 1975-07-30 NUMERIC MAGNETIC COMPASS

Country Status (4)

Country Link
AU (1) AU8539975A (en)
DE (1) DE2536140A1 (en)
FR (1) FR2287681A1 (en)
SE (1) SE7508624L (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3515978A1 (en) * 1984-05-04 1985-11-07 Canon K.K., Tokio/Tokyo IMAGE GENERATION DEVICE
EP0434884A1 (en) * 1989-12-29 1991-07-03 Detra Sa Direction indicating device
US5526022A (en) 1993-01-06 1996-06-11 Virtual I/O, Inc. Sourceless orientation sensor
US5991085A (en) 1995-04-21 1999-11-23 I-O Display Systems Llc Head-mounted personal visual display apparatus with image generator and holder

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2201559A (en) * 1937-05-12 1940-05-21 Sperry Gyroscope Co Inc Earth induction compass
US3634946A (en) * 1969-02-10 1972-01-18 Lundy Electronics & Syst Inc Digital compass
FR2146554A5 (en) * 1971-07-19 1973-03-02 France Etat

Also Published As

Publication number Publication date
FR2287681B1 (en) 1977-03-18
DE2536140A1 (en) 1976-04-22
AU8539975A (en) 1977-04-07
FR2287681A1 (en) 1976-05-07

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