FI902917A - Kompass. - Google Patents

Kompass.

Info

Publication number: FI902917A
Authority: FI; Finland
Prior art keywords: compass
Prior art date: 1990-06-11

Application number

FI902917A

Other languages

English (en)

Other versions

FI902917A0 (fi

FI84756B (fi

FI84756C (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.)

1990-06-11

Filing date

1990-06-11

Publication date

1991-09-30

1990-06-11 Application filed by Sisteco Ltd Oy filed Critical Sisteco Ltd Oy

1990-06-11 Priority to FI902917A priority Critical patent/FI84756C/fi

1990-06-11 Publication of FI902917A0 publication Critical patent/FI902917A0/fi

1991-05-13 Priority to GB9110313A priority patent/GB2245063B/en

1991-09-30 Publication of FI902917A publication Critical patent/FI902917A/fi

1991-09-30 Publication of FI84756B publication Critical patent/FI84756B/fi

1992-01-10 Application granted granted Critical

1992-01-10 Publication of FI84756C publication Critical patent/FI84756C/fi

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
FI902917		1990-06-11
FI902917A FI84756C (fi)	1990-06-11	1990-06-11	Kompass.

Publications (4)

Publication Number	Publication Date
FI902917A0 FI902917A0 (fi)	1990-06-11
FI902917A true FI902917A (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
EP0086618B1 (en) *	1982-02-12	1988-01-27	HALL & WATTS LIMITED	Improvements relating to compasses
EP0100683B1 (en) *	1982-08-02	1986-10-22	S.G. Brown Limited	Apparatus for taking azimuth sights
SE459370B (sv) *	1984-01-20	1989-06-26	Jan Soederberg	Orienteringskompass

1990
- 1990-06-11 FI FI902917A patent/FI84756C/fi not_active IP Right Cessation
1991
- 1991-05-13 GB GB9110313A patent/GB2245063B/en not_active Expired - Fee Related

Also Published As

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

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Legal Events

Date	Code	Title	Description
1998-01-12	MM	Patent lapsed
2004-08-31	MM	Patent lapsed	Owner name: OY SISTECO LTD.