DE3861029D1 - Handpeilkompass. - Google Patents

Handpeilkompass.

Info

Publication number
DE3861029D1
DE3861029D1 DE8888301617T DE3861029T DE3861029D1 DE 3861029 D1 DE3861029 D1 DE 3861029D1 DE 8888301617 T DE8888301617 T DE 8888301617T DE 3861029 T DE3861029 T DE 3861029T DE 3861029 D1 DE3861029 D1 DE 3861029D1
Authority
DE
Germany
Prior art keywords
handbar
compass
handbar compass
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 - Lifetime
Application number
DE8888301617T
Other languages
English (en)
Inventor
Richard Lovelock
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.)
Raymarine 2002 Ltd
Original Assignee
NAUTECH Ltd PORTSMOUTH GB
Nautech Ltd
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 NAUTECH Ltd PORTSMOUTH GB, Nautech Ltd filed Critical NAUTECH Ltd PORTSMOUTH GB
Application granted granted Critical
Publication of DE3861029D1 publication Critical patent/DE3861029D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G01C17/28—Electromagnetic compasses
    • G01C17/30—Earth-inductor compasses

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Environmental & Geological Engineering (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Magnetic Variables (AREA)
DE8888301617T 1987-02-26 1988-02-25 Handpeilkompass. Expired - Lifetime DE3861029D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB878704560A GB8704560D0 (en) 1987-02-26 1987-02-26 Hand bearing compass

Publications (1)

Publication Number Publication Date
DE3861029D1 true DE3861029D1 (de) 1990-12-20

Family

ID=10612999

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8888301617T Expired - Lifetime DE3861029D1 (de) 1987-02-26 1988-02-25 Handpeilkompass.

Country Status (4)

Country Link
US (1) US4894922A (de)
EP (1) EP0280546B1 (de)
DE (1) DE3861029D1 (de)
GB (1) GB8704560D0 (de)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5216308A (en) * 1989-05-25 1993-06-01 Avcon-Advanced Controls Technology, Inc. Magnetic bearing structure providing radial, axial and moment load bearing support for a rotatable shaft
DE4001657A1 (de) * 1990-01-18 1991-07-25 Carl Steiner Vorrichtung zur positionsmessung
JP2935047B2 (ja) * 1990-03-13 1999-08-16 カシオ計算機株式会社 電子コンパス
US5216816A (en) * 1990-03-20 1993-06-08 Casio Computer Co., Ltd. Compass
US5269065A (en) * 1990-03-20 1993-12-14 Casio Computer Co., Ltd. Compass including means for displaying constellation data
US5199178A (en) * 1991-10-23 1993-04-06 Apac, Inc. Thin film compass and method for manufacturing the same
EP0611439B1 (de) * 1991-11-08 1997-03-12 Precision Navigation, Inc. Referenzzeiger für eine kompassanzeigeeinrichtung
CH683128A5 (de) * 1992-03-26 1994-01-14 Recta Sa Tragbarer elektronischer Fahrzeugkompass.
US5315197A (en) * 1992-04-30 1994-05-24 Avcon - Advance Controls Technology, Inc. Electromagnetic thrust bearing using passive and active magnets, for coupling a rotatable member to a stationary member
GB9307967D0 (en) * 1993-04-17 1993-06-02 Manley Joseph C Intelligent electronic map reading compass
US6535210B1 (en) 1995-06-07 2003-03-18 Geovector Corp. Vision system computer modeling apparatus including interaction with real scenes with respect to perspective and spatial relationship as measured in real-time
US5600611A (en) * 1995-10-04 1997-02-04 Timex Corporation Wrist mountable compass
US6169922B1 (en) 1998-11-18 2001-01-02 Acorn Cardiovascular, Inc. Defibrillating cardiac jacket with interwoven electrode grids
US6522292B1 (en) 2000-02-23 2003-02-18 Geovector Corp. Information systems having position measuring capacity
US7031875B2 (en) 2001-01-24 2006-04-18 Geo Vector Corporation Pointing systems for addressing objects
US20040219961A1 (en) * 2003-04-08 2004-11-04 Ellenby Thomas William Computer games having variable execution dependence with respect to spatial properties of a mobile unit.
FI117948B (fi) 2004-06-16 2007-04-30 Suunto Oy Rannetietokone ja menetelmä sen yhteydessä
US20060190812A1 (en) * 2005-02-22 2006-08-24 Geovector Corporation Imaging systems including hyperlink associations
US10012731B2 (en) 2014-04-03 2018-07-03 Johnson Outdoors Inc. Sonar mapping system
US10545235B2 (en) 2016-11-01 2020-01-28 Johnson Outdoors Inc. Sonar mapping system

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE659518C (de) * 1936-12-15 1938-05-05 Stockert & Sohn C Marschkompass mit Visiereinrichtung
GB561336A (en) * 1941-07-24 1944-05-16 Recta Sa Improvements in and relating to pocket compasses
US2955357A (en) * 1957-03-11 1960-10-11 Uebelhardt Roger Wrist watch
US3248793A (en) * 1962-11-07 1966-05-03 Warren D Anderson Navigational instrument
EP0113221B1 (de) * 1982-12-30 1987-04-08 Nautech Limited Induktionskompass
EP0183735A1 (de) * 1984-05-22 1986-06-11 Kurt Tschannen Elektronischer kompass
GB2159278B (en) * 1984-05-23 1988-04-13 Stc Plc Heading sensor
JPH0772689B2 (ja) * 1984-09-04 1995-08-02 東北金属工業株式会社 方位標定装置
FR2582389B1 (fr) * 1985-05-21 1987-06-26 Lanchier Jean Marc Procede et dispositif pour porter sur une carte la position d'un observateur
GB2180082B (en) * 1985-09-03 1988-08-17 Citizen Watch Co Ltd Electronic equipment with geomagnetic direction sensor

Also Published As

Publication number Publication date
EP0280546A3 (en) 1989-04-12
GB8704560D0 (en) 1987-04-01
EP0280546B1 (de) 1990-11-14
EP0280546A2 (de) 1988-08-31
US4894922A (en) 1990-01-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: RAYTHEON MARINE LTD., PORTSMOUTH, HAMPSHIRE, GB

8339 Ceased/non-payment of the annual fee