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FI902917A7 - Kompass. - Google Patents

Kompass.

Info

Publication number
FI902917A7
FI902917A7 FI902917A FI902917A FI902917A7 FI 902917 A7 FI902917 A7 FI 902917A7 FI 902917 A FI902917 A FI 902917A FI 902917 A FI902917 A FI 902917A FI 902917 A7 FI902917 A7 FI 902917A7
Authority
FI
Finland
Prior art keywords
compass
Prior art date
Application number
FI902917A
Other languages
English (en)
Other versions
FI84756C (fi
FI902917A0 (fi
FI84756B (fi
Inventor
Raimo Raitmaa
Original Assignee
Sisteco Ltd 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 Sisteco Ltd Oy filed Critical Sisteco Ltd Oy
Priority to FI902917A priority Critical patent/FI84756C/fi
Publication of FI902917A0 publication Critical patent/FI902917A0/fi
Priority to GB9110313A priority patent/GB2245063B/en
Application granted granted Critical
Publication of FI902917A7 publication Critical patent/FI902917A7/fi
Publication of FI84756B publication Critical patent/FI84756B/fi
Publication of FI84756C publication Critical patent/FI84756C/fi

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

Landscapes

  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Supports Or Holders For Household Use (AREA)
  • Tables And Desks Characterized By Structural Shape (AREA)
FI902917A 1990-06-11 1990-06-11 Kompass. FI84756C (fi)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FI902917A FI84756C (fi) 1990-06-11 1990-06-11 Kompass.
GB9110313A GB2245063B (en) 1990-06-11 1991-05-13 Compass

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI902917A FI84756C (fi) 1990-06-11 1990-06-11 Kompass.
FI902917 1990-06-11

Publications (4)

Publication Number Publication Date
FI902917A0 FI902917A0 (fi) 1990-06-11
FI902917A7 true FI902917A7 (fi) 1991-09-30
FI84756B FI84756B (fi) 1991-09-30
FI84756C FI84756C (fi) 1992-01-10

Family

ID=8530610

Family Applications (1)

Application Number Title Priority Date Filing Date
FI902917A FI84756C (fi) 1990-06-11 1990-06-11 Kompass.

Country Status (2)

Country Link
FI (1) FI84756C (fi)
GB (1) GB2245063B (fi)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100437030C (zh) * 2005-07-18 2008-11-26 何展辉 自动充液排气磁罗经
CN106052662A (zh) * 2016-08-12 2016-10-26 瑞安市顺风航仪有限公司 一种磁罗经
CN112525178B (zh) * 2020-12-11 2022-06-24 许岩炯 一种地质矿产勘查用多功能地质罗盘

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB199988A (en) * 1922-09-05 1923-07-05 George Wilson Heath Improvements in mariners' compasses
GB442817A (en) * 1935-05-07 1936-02-17 Charles Henry Johnson Improvements in magnetic compasses
GB487757A (en) * 1937-12-23 1938-06-24 Johannes Boysen Improvements in liquid magnetic compasses
GB795255A (en) * 1955-06-04 1958-05-21 Rolex Montres An improved magnetic compass
GB2025616A (en) * 1978-07-13 1980-01-23 Hogg R J C Magnetic compass
DE3375509D1 (en) * 1982-02-12 1988-03-03 Hall & Watts Ltd Improvements relating to compasses
DE3367118D1 (en) * 1982-08-02 1986-11-27 Brown S G Ltd Apparatus for taking azimuth sights
SE459370B (sv) * 1984-01-20 1989-06-26 Jan Soederberg Orienteringskompass

Also Published As

Publication number Publication date
FI84756C (fi) 1992-01-10
GB2245063B (en) 1994-05-11
FI902917A0 (fi) 1990-06-11
FI84756B (fi) 1991-09-30
GB9110313D0 (en) 1991-07-03
GB2245063A (en) 1991-12-18

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Legal Events

Date Code Title Description
MM Patent lapsed
MM Patent lapsed

Owner name: OY SISTECO LTD.