GB1347657A - Magnetic compasses and similar arrangements - Google Patents

Magnetic compasses and similar arrangements

Info

Publication number
GB1347657A
GB1347657A GB3385272A GB3385272A GB1347657A GB 1347657 A GB1347657 A GB 1347657A GB 3385272 A GB3385272 A GB 3385272A GB 3385272 A GB3385272 A GB 3385272A GB 1347657 A GB1347657 A GB 1347657A
Authority
GB
United Kingdom
Prior art keywords
coil
axis
instant
counter
field
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
GB3385272A
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.)
Ministere des Armees
Original Assignee
Ministère de la Défense
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 Ministère de la Défense filed Critical Ministère de la Défense
Publication of GB1347657A publication Critical patent/GB1347657A/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
    • 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

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
  • Geophysics And Detection Of Objects (AREA)
GB3385272A 1971-07-19 1972-07-19 Magnetic compasses and similar arrangements Expired GB1347657A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7126284A FR2146554A5 (enExample) 1971-07-19 1971-07-19

Publications (1)

Publication Number Publication Date
GB1347657A true GB1347657A (en) 1974-02-27

Family

ID=9080539

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3385272A Expired GB1347657A (en) 1971-07-19 1972-07-19 Magnetic compasses and similar arrangements

Country Status (6)

Country Link
AU (1) AU459909B2 (enExample)
DE (1) DE2230852A1 (enExample)
FR (1) FR2146554A5 (enExample)
GB (1) GB1347657A (enExample)
IT (1) IT950181B (enExample)
SE (1) SE369961B (enExample)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2287681A1 (fr) * 1974-10-11 1976-05-07 France Etat Compas magnetique numerique
US4139951A (en) * 1977-03-23 1979-02-20 Cunard Thomas L Remote indicating compass
US4117602A (en) * 1977-04-04 1978-10-03 The Laitram Corporation Electromagnetic compass

Also Published As

Publication number Publication date
SE369961B (enExample) 1974-09-23
AU4121972A (en) 1973-10-25
IT950181B (it) 1973-06-20
DE2230852A1 (de) 1973-02-01
AU459909B2 (en) 1975-04-10
FR2146554A5 (enExample) 1973-03-02

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees