GB1443389A - Magnetic compasses for use in sailing craft - Google Patents

Magnetic compasses for use in sailing craft

Info

Publication number
GB1443389A
GB1443389A GB3635074A GB3635074A GB1443389A GB 1443389 A GB1443389 A GB 1443389A GB 3635074 A GB3635074 A GB 3635074A GB 3635074 A GB3635074 A GB 3635074A GB 1443389 A GB1443389 A GB 1443389A
Authority
GB
United Kingdom
Prior art keywords
sailing craft
magnetic compasses
compasses
magnetic
sailing
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
GB3635074A
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.)
Suunto Oy
Original Assignee
Suunto Oy
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 Suunto Oy filed Critical Suunto Oy
Publication of GB1443389A publication Critical patent/GB1443389A/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
    • G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
    • G01C21/20—Instruments for performing navigational calculations
    • G01C21/203—Specially adapted for sailing ships
    • 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)
  • Automation & Control Theory (AREA)
  • Indicating Or Recording The Presence, Absence, Or Direction Of Movement (AREA)
  • Toys (AREA)
GB3635074A 1973-08-30 1974-08-19 Magnetic compasses for use in sailing craft Expired GB1443389A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI732699A FI48390C (en) 1973-08-30 1973-08-30 Magnetic sailing compass.

Publications (1)

Publication Number Publication Date
GB1443389A true GB1443389A (en) 1976-07-21

Family

ID=8507469

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3635074A Expired GB1443389A (en) 1973-08-30 1974-08-19 Magnetic compasses for use in sailing craft

Country Status (8)

Country Link
JP (1) JPS5917761B2 (en)
AU (1) AU7254274A (en)
CA (1) CA1042199A (en)
DE (1) DE2440519A1 (en)
FI (1) FI48390C (en)
GB (1) GB1443389A (en)
NO (1) NO743013L (en)
SE (1) SE7410879L (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124374A (en) * 1981-08-28 1984-02-15 John Meechan Navigational device
CN113670281A (en) * 2021-07-23 2021-11-19 温州大学 Portable directional cross-country pointing device
SE2300014A1 (en) * 2023-03-10 2024-09-11 Bernd Stymer Course holder

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE408595B (en) * 1976-11-10 1979-06-18 Ansar Lars Anders Peter INSTRUMENT AT SAILING BATTERY FOR INDICATION OF ONE OF THE REAL WIND DIRECTION DEPENDENT, BUT INDEPENDENT VALUE OF CROSSING BOOK
FR2447010A1 (en) * 1979-01-16 1980-08-14 Morin Secretan Rech Perf Sailing boat navigation wind direction finder - uses rotating ring with coloured sectors which surround compass rose rotating on pointer axis
JPS57142308U (en) * 1981-02-02 1982-09-07
WO1984001623A1 (en) * 1982-10-12 1984-04-26 Kevin Edward Shephard Tactical dinghy compass
JPS60245794A (en) * 1984-05-22 1985-12-05 Toyo Soda Mfg Co Ltd Box-shaped electrolytic cell provided with ion exchange membrane

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678591A (en) * 1969-09-19 1972-07-25 Stanley A Selig Jr Sailing conditions indicator for sailboats

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2124374A (en) * 1981-08-28 1984-02-15 John Meechan Navigational device
CN113670281A (en) * 2021-07-23 2021-11-19 温州大学 Portable directional cross-country pointing device
CN113670281B (en) * 2021-07-23 2023-08-29 温州大学 Portable directional off-road pointing device
SE2300014A1 (en) * 2023-03-10 2024-09-11 Bernd Stymer Course holder

Also Published As

Publication number Publication date
JPS5051757A (en) 1975-05-08
AU7254274A (en) 1976-02-26
JPS5917761B2 (en) 1984-04-23
CA1042199A (en) 1978-11-14
SE7410879L (en) 1975-03-03
FI48390B (en) 1974-05-31
NO743013L (en) 1975-03-24
FI48390C (en) 1974-09-10
DE2440519A1 (en) 1975-03-06

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee