SE389554B - Magnetisk kompass - Google Patents

Magnetisk kompass

Info

Publication number
SE389554B
SE389554B SE484172A SE484172A SE389554B SE 389554 B SE389554 B SE 389554B SE 484172 A SE484172 A SE 484172A SE 484172 A SE484172 A SE 484172A SE 389554 B SE389554 B SE 389554B
Authority
SE
Sweden
Prior art keywords
magnetic compass
compass
magnetic
Prior art date
Application number
SE484172A
Other languages
English (en)
Swedish (sv)
Inventor
J T Fowler
A Lautzenhiser
Original Assignee
Laitram Corp
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 Laitram Corp filed Critical Laitram Corp
Publication of SE389554B publication Critical patent/SE389554B/xx

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Level Indicators Using A Float (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
SE484172A 1971-04-28 1972-04-14 Magnetisk kompass SE389554B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US13810571A 1971-04-28 1971-04-28

Publications (1)

Publication Number Publication Date
SE389554B true SE389554B (sv) 1976-11-08

Family

ID=22480449

Family Applications (1)

Application Number Title Priority Date Filing Date
SE484172A SE389554B (sv) 1971-04-28 1972-04-14 Magnetisk kompass

Country Status (8)

Country Link
BE (1) BE781683A (xx)
CH (1) CH552199A (xx)
DE (1) DE2216187A1 (xx)
FR (1) FR2134374B1 (xx)
GB (1) GB1321212A (xx)
IT (1) IT952230B (xx)
NL (1) NL7203293A (xx)
SE (1) SE389554B (xx)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3888016A (en) * 1972-08-10 1975-06-10 Little Inc A Digital compass
US4216868A (en) * 1978-08-04 1980-08-12 Eaton Corporation Optical digital sensor for crane operating aid
WO1980001606A1 (en) * 1979-01-31 1980-08-07 Eburen Kk Actual position detecting device for a moving object
US4521875A (en) * 1981-12-21 1985-06-04 Hughes Aircraft Company Orientation detection system for thin-line towed sonar arrays

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3349406A (en) * 1965-06-23 1967-10-24 Geodyne Corp Monitoring position-indicating recorder
CA861781A (en) * 1968-06-29 1971-01-26 Patrick Harrison And Company Limited Aircraft compass
US3588001A (en) * 1969-02-05 1971-06-28 Bendix Corp Shock-absorbing means for a free pendulous magnetic azimuth detector mechanism
US3634946A (en) * 1969-02-10 1972-01-18 Lundy Electronics & Syst Inc Digital compass

Also Published As

Publication number Publication date
NL7203293A (xx) 1972-10-31
FR2134374A1 (xx) 1972-12-08
GB1321212A (en) 1973-06-27
FR2134374B1 (xx) 1976-03-12
BE781683A (fr) 1972-07-31
CH552199A (de) 1974-07-31
IT952230B (it) 1973-07-20
DE2216187A1 (de) 1972-11-02

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