BE803454A - Compas magnetique a indication numerique - Google Patents

Compas magnetique a indication numerique

Info

Publication number
BE803454A
BE803454A BE134438A BE134438A BE803454A BE 803454 A BE803454 A BE 803454A BE 134438 A BE134438 A BE 134438A BE 134438 A BE134438 A BE 134438A BE 803454 A BE803454 A BE 803454A
Authority
BE
Belgium
Prior art keywords
magnetic compass
digital indication
indication
digital
compass
Prior art date
Application number
BE134438A
Other languages
English (en)
French (fr)
Inventor
J T Fowler
Original Assignee
Laitram Corp
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 Laitram Corp filed Critical Laitram Corp
Publication of BE803454A publication Critical patent/BE803454A/xx

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
    • G01C17/26—Observing the compass card or needle using electric pick-offs for transmission to final indicator, e.g. photocell
    • 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)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
  • Details Of Measuring And Other Instruments (AREA)
BE134438A 1972-08-10 1973-08-10 Compas magnetique a indication numerique BE803454A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US279723A US3888016A (en) 1972-08-10 1972-08-10 Digital compass

Publications (1)

Publication Number Publication Date
BE803454A true BE803454A (fr) 1973-12-03

Family

ID=23070163

Family Applications (1)

Application Number Title Priority Date Filing Date
BE134438A BE803454A (fr) 1972-08-10 1973-08-10 Compas magnetique a indication numerique

Country Status (12)

Country Link
US (1) US3888016A (xx)
JP (1) JPS4987358A (xx)
AU (1) AU476570B2 (xx)
BE (1) BE803454A (xx)
CA (1) CA996344A (xx)
CH (1) CH579768A5 (xx)
DE (1) DE2339948A1 (xx)
FR (1) FR2195786B1 (xx)
GB (1) GB1409639A (xx)
NL (1) NL7311089A (xx)
NO (1) NO136944C (xx)
SE (1) SE390450B (xx)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047168A (en) * 1975-05-22 1977-09-06 The Laitram Corporation Digital compass and gimbal assembly for two conductor connection
US4027398A (en) * 1975-06-17 1977-06-07 The Laitram Corporation Single pivot remote reading compass
US4139951A (en) * 1977-03-23 1979-02-20 Cunard Thomas L Remote indicating compass
US4117602A (en) * 1977-04-04 1978-10-03 The Laitram Corporation Electromagnetic compass
US4130942A (en) * 1977-05-26 1978-12-26 The Laitram Corporation Borehole surveying apparatus
JPS5811808A (ja) * 1981-07-16 1983-01-22 Niles Parts Co Ltd 方位検出表示回路
US4521875A (en) * 1981-12-21 1985-06-04 Hughes Aircraft Company Orientation detection system for thin-line towed sonar arrays
US4611171A (en) * 1983-06-07 1986-09-09 Syntron, Inc. Location indicator for a marine seismic cable comprising operator controlled saturable core magnetometers
US4577414A (en) * 1985-04-30 1986-03-25 The United States Of America As Represented By The United States Department Of Energy Remotely readable fiber optic compass
FR2591738B1 (fr) * 1985-12-18 1990-02-02 Plastimo Compas magnetique comportant un equipage mobile et des moyens d'amortissement et de detection de la rotation de celui-ci
US4843865A (en) * 1988-02-29 1989-07-04 Digicourse, Inc. Method of calibrating a compass heading
US5010653A (en) * 1988-02-29 1991-04-30 Digicourse, Inc. Apparatus and method for determining azimuth, pitch and roll
US5526022A (en) * 1993-01-06 1996-06-11 Virtual I/O, Inc. Sourceless orientation sensor
US5991085A (en) * 1995-04-21 1999-11-23 I-O Display Systems Llc Head-mounted personal visual display apparatus with image generator and holder
US6826843B2 (en) * 2002-11-25 2004-12-07 Radioshack, Corp. Electronic compass apparatus and method
ES2339312B1 (es) * 2007-08-09 2011-03-11 Universidad Del Pais Vasco - Euskal Herriko Unibertsitatea Equipo de compas magnetico integral para obtencion de desvios en tiempo real.
US9234753B2 (en) 2013-06-18 2016-01-12 Frank Sanns, Jr. Fluid or low friction permanent magnet compass
CN106448103A (zh) * 2016-09-27 2017-02-22 深圳市盛矽电子科技有限公司 转盘式电子设备控制器以及遥控玩具的操控设备
CN110530403B (zh) * 2019-09-30 2021-03-16 梁朝旭 一种球罐内上顶面检测支撑平台

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2026919A (en) * 1933-03-29 1936-01-07 Stright James Leslie Compass
US2370000A (en) * 1941-11-27 1945-02-20 Best Frank Ellison Master compass and inertia means
US3349406A (en) * 1965-06-23 1967-10-24 Geodyne Corp Monitoring position-indicating recorder
US3480788A (en) * 1966-04-07 1969-11-25 John Dante Barbieri Resolving compass utilizing photo-potentiometers
US3567327A (en) * 1967-11-02 1971-03-02 Us Navy Magnetic compass direction indicating system
US3699658A (en) * 1970-10-30 1972-10-24 Electro Marine Corp Binnacle
GB1321212A (en) * 1971-04-28 1973-06-27 Laitram Corp Magnetic compass

Also Published As

Publication number Publication date
FR2195786A1 (xx) 1974-03-08
NL7311089A (xx) 1974-02-12
FR2195786B1 (xx) 1979-10-19
US3888016A (en) 1975-06-10
AU476570B2 (en) 1976-09-30
JPS4987358A (xx) 1974-08-21
DE2339948A1 (de) 1974-02-28
GB1409639A (en) 1975-10-08
NO136944C (no) 1977-11-30
CA996344A (en) 1976-09-07
AU5881473A (en) 1975-02-06
NO136944B (no) 1977-08-22
CH579768A5 (xx) 1976-09-15
SE390450B (sv) 1976-12-20

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