SE420127B - Anordning vid kompasser - Google Patents

Anordning vid kompasser

Info

Publication number
SE420127B
SE420127B SE8004749A SE8004749A SE420127B SE 420127 B SE420127 B SE 420127B SE 8004749 A SE8004749 A SE 8004749A SE 8004749 A SE8004749 A SE 8004749A SE 420127 B SE420127 B SE 420127B
Authority
SE
Sweden
Prior art keywords
rose
compass rose
scale
compass
transparent
Prior art date
Application number
SE8004749A
Other languages
English (en)
Swedish (sv)
Inventor
H Meiling
Original Assignee
Instrument Verken Ab
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 Instrument Verken Ab filed Critical Instrument Verken Ab
Priority to SE8004749A priority Critical patent/SE420127B/sv
Priority to FI811779A priority patent/FI71196C/fi
Priority to FR8112991A priority patent/FR2485721A1/fr
Publication of SE420127B publication Critical patent/SE420127B/sv

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
    • 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
    • G01C17/10—Comparing observed direction with north indication
    • G01C17/14—Comparing observed direction with north indication by reference marks, e.g. for ships' compasses

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Electrochromic Elements, Electrophoresis, Or Variable Reflection Or Absorption Elements (AREA)
  • Spectrometry And Color Measurement (AREA)
  • Lenses (AREA)
SE8004749A 1980-06-26 1980-06-26 Anordning vid kompasser SE420127B (sv)

Priority Applications (3)

Application Number Priority Date Filing Date Title
SE8004749A SE420127B (sv) 1980-06-26 1980-06-26 Anordning vid kompasser
FI811779A FI71196C (fi) 1980-06-26 1981-06-09 Anordning vid kompasser
FR8112991A FR2485721A1 (fr) 1980-06-26 1981-06-25 Agencement dans un compas de navigation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE8004749A SE420127B (sv) 1980-06-26 1980-06-26 Anordning vid kompasser

Publications (1)

Publication Number Publication Date
SE420127B true SE420127B (sv) 1981-09-14

Family

ID=20341304

Family Applications (1)

Application Number Title Priority Date Filing Date
SE8004749A SE420127B (sv) 1980-06-26 1980-06-26 Anordning vid kompasser

Country Status (3)

Country Link
FI (1) FI71196C (OSRAM)
FR (1) FR2485721A1 (OSRAM)
SE (1) SE420127B (OSRAM)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE438553B (sv) * 1983-09-09 1985-04-22 Instrument Verken Ab Anordning for att forhindra felvisning av en kompass

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB551165A (en) * 1941-08-06 1943-02-10 Harold Clifford Prins Improved navigational instrument
GB1095966A (en) * 1965-11-04 1967-12-20 Eastern Co Magnetic compass

Also Published As

Publication number Publication date
FI71196B (fi) 1986-08-14
FR2485721A1 (fr) 1981-12-31
FI811779L (fi) 1981-12-27
FI71196C (fi) 1986-11-24
FR2485721B1 (OSRAM) 1984-05-11

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