SE8603794L - Magnetkompass - Google Patents

Magnetkompass

Info

Publication number
SE8603794L
SE8603794L SE8603794A SE8603794A SE8603794L SE 8603794 L SE8603794 L SE 8603794L SE 8603794 A SE8603794 A SE 8603794A SE 8603794 A SE8603794 A SE 8603794A SE 8603794 L SE8603794 L SE 8603794L
Authority
SE
Sweden
Prior art keywords
compass
equatorial plane
housing
card
parallel
Prior art date
Application number
SE8603794A
Other languages
Unknown language ( )
English (en)
Swedish (sv)
Other versions
SE8603794D0 (sv
Inventor
W G White
W N Anastos
Original Assignee
Rule Industries
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 Rule Industries filed Critical Rule Industries
Publication of SE8603794D0 publication Critical patent/SE8603794D0/xx
Publication of SE8603794L publication Critical patent/SE8603794L/

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
    • G01C17/38—Testing, calibrating, or compensating of compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Toys (AREA)
  • Non-Portable Lighting Devices Or Systems Thereof (AREA)
SE8603794A 1985-09-10 1986-09-10 Magnetkompass SE8603794L (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/774,416 US4656751A (en) 1985-09-10 1985-09-10 Magnetic compass

Publications (2)

Publication Number Publication Date
SE8603794D0 SE8603794D0 (sv) 1986-09-10
SE8603794L true SE8603794L (sv) 1987-03-11

Family

ID=25101161

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8603794A SE8603794L (sv) 1985-09-10 1986-09-10 Magnetkompass

Country Status (8)

Country Link
US (1) US4656751A (it)
AU (1) AU589445B2 (it)
CA (1) CA1269526A (it)
FR (1) FR2587108A1 (it)
GB (1) GB2180340B (it)
IT (2) IT8653821V0 (it)
NZ (1) NZ217531A (it)
SE (1) SE8603794L (it)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4930224A (en) * 1987-06-08 1990-06-05 Rule Industries, Inc. Magnetic compass
USD427532S (en) * 1999-08-12 2000-07-04 Cobbs Manufacturing Company Compass
USD427531S (en) * 1999-08-12 2000-07-04 Cobbs Manufacturing Company Compass
US7240439B2 (en) * 2005-10-04 2007-07-10 Cooper Brands, Inc. Magnetic tape measure end hook
CN113932788B (zh) * 2021-10-14 2024-01-16 山东省地质矿产勘查开发局第七地质大队（山东省第七地质矿产勘查院） 一种组合式地质罗盘

Family Cites Families (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR610657A (fr) * 1926-02-05 1926-09-10 Precision Moderne Compas magnétique à compensation de l'induction des aiguilles de la rose
US1982405A (en) * 1927-03-02 1934-11-27 Pioneer Instr Co Inc Compensating device for magnetic compasses
US1990940A (en) * 1928-02-21 1935-02-12 John L H Hand Compensation device for compasses
US1922864A (en) * 1929-04-19 1933-08-15 Gen Electric Compass
US1925863A (en) * 1929-09-16 1933-09-05 Gen Electric Compensating mechanism for compasses
US2020905A (en) * 1933-01-12 1935-11-12 Robert Guy Octave Compensated compass, especially for aerial vehicles
US1987624A (en) * 1933-01-18 1935-01-15 Jones Bradley Compass deviation corrector
US2155712A (en) * 1936-04-06 1939-04-25 Walter E Hull Magnetic compass
US3261103A (en) * 1963-03-05 1966-07-19 Aqua Meter Instr Corp Magnetic compass
US3334420A (en) * 1963-12-09 1967-08-08 Raymond F Stockton Terrestrial magnetism responsive device
US3481045A (en) * 1966-09-12 1969-12-02 Maximum Inc Damped support structure for compass cards
US3732560A (en) * 1970-12-11 1973-05-08 Bowmar Instrument Corp Rotatable indicator having light-emitting diode back-lighting
US3832787A (en) * 1973-08-20 1974-09-03 Little Inc A Magnetic compass mounting
US3949483A (en) * 1974-09-09 1976-04-13 Optimum Inc. Compass
US4217625A (en) * 1978-10-27 1980-08-12 Mcdonnell Douglas Corporation Lighted instrument dial face display
US4359823A (en) * 1980-12-22 1982-11-23 White Wilfrid G Gravity adjusted compass
DE3339395A1 (de) * 1983-10-29 1985-05-09 Gerhard 8521 Uttenreuth Rühlemann Kompass

Also Published As

Publication number Publication date
IT8653821V0 (it) 1986-09-10
AU6255886A (en) 1987-03-12
CA1269526A (en) 1990-05-29
NZ217531A (en) 1989-01-06
GB2180340B (en) 1988-08-24
FR2587108A1 (fr) 1987-03-13
SE8603794D0 (sv) 1986-09-10
GB8621815D0 (en) 1986-10-15
IT8667700A0 (it) 1986-09-10
AU589445B2 (en) 1989-10-12
GB2180340A (en) 1987-03-25
IT1195158B (it) 1988-10-12
US4656751A (en) 1987-04-14

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Legal Events

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NAV Patent application has lapsed

Ref document number: 8603794-2

Effective date: 19930401