FR2447539B1 - - Google Patents
Info
- Publication number
- FR2447539B1 FR2447539B1 FR7923022A FR7923022A FR2447539B1 FR 2447539 B1 FR2447539 B1 FR 2447539B1 FR 7923022 A FR7923022 A FR 7923022A FR 7923022 A FR7923022 A FR 7923022A FR 2447539 B1 FR2447539 B1 FR 2447539B1
- Authority
- FR
- France
- 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
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
-
- 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
- G01C21/04—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means
- G01C21/08—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 by terrestrial means involving use of the magnetic field of the earth
-
- 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
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/28—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network with correlation of data from several navigational instruments
Landscapes
- Remote Sensing (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Automation & Control Theory (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- Measuring Magnetic Variables (AREA)
- Navigation (AREA)
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP600479A JPS5599016A (en) | 1979-01-24 | 1979-01-24 | Measuring apparatus for position coordinates |
| JP600379A JPS5947354B2 (ja) | 1979-01-24 | 1979-01-24 | ベクトル成分演算回路 |
| JP600579A JPS5937471B2 (ja) | 1979-01-24 | 1979-01-24 | 磁界ベクトル検出器 |
| JP703979A JPS55101010A (en) | 1979-01-26 | 1979-01-26 | Photoelectric type position detecting system |
| JP886279A JPS55103089A (en) | 1979-01-29 | 1979-01-29 | Synchronizing circuit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2447539A1 FR2447539A1 (US07655688-20100202-C00010.png) | 1980-08-22 |
| FR2447539B1 true FR2447539B1 (US07655688-20100202-C00010.png) | 1985-01-11 |
Family
ID=27518662
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7923022A Expired FR2447539B1 (US07655688-20100202-C00010.png) | 1979-01-24 | 1979-09-14 |
Country Status (5)
Families Citing this family (24)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57132015A (en) * | 1981-02-09 | 1982-08-16 | Kosaka Kenkyusho:Kk | Coordinate transformation device |
| DE3273841D1 (en) * | 1981-07-07 | 1986-11-20 | Nippon Denso Co | Mobile navigator |
| JPS5895775A (ja) * | 1981-12-02 | 1983-06-07 | 株式会社日立製作所 | 走行車両の位置表示装置 |
| DE3205598A1 (de) * | 1982-02-17 | 1983-08-25 | Teldix Gmbh, 6900 Heidelberg | Verfahren zur erfassung der horizontalkomponente des erdmagnetfeldes |
| JPS5991311A (ja) * | 1982-10-12 | 1984-05-26 | ロケ マナ リサーチ リミテッド | 電子コンパスを有する乗物ナビゲーション装置 |
| JPS60229799A (ja) * | 1984-04-27 | 1985-11-15 | 三菱電機株式会社 | 車載用ナビゲ−タ |
| JPS60239791A (ja) * | 1984-05-15 | 1985-11-28 | 三菱電機株式会社 | 車輛ナビゲ−シヨン装置 |
| WO1985005444A1 (en) * | 1984-05-22 | 1985-12-05 | Kurt Tschannen | Electronic compass |
| DE3422490A1 (de) * | 1984-06-16 | 1985-12-19 | Robert Bosch Gmbh, 7000 Stuttgart | Verfahren zur korrektur von winkelfehlern bei einem elektronischen kompass in fahrzeugen |
| US4680866A (en) * | 1985-12-19 | 1987-07-21 | Honeywell Inc. | Magnetic flux detector correction system |
| US4743913A (en) * | 1986-02-19 | 1988-05-10 | Nissan Motor Company, Limited | Hybrid navigation system for determining a relative position and direction of a vehicle and method therefor |
| IL78889A (en) * | 1986-05-23 | 1989-09-28 | Elbit Computers Ltd | Electronic magnetic compass system |
| JPH0629729B2 (ja) * | 1986-06-16 | 1994-04-20 | 三菱電機株式会社 | 移動体用方位検出装置 |
| FR2643709B1 (fr) * | 1989-02-27 | 1993-11-19 | Fabrication Instruments Mesure | Procede d'aide a la navigation et navigateur terrestre perfectionne |
| US5394029A (en) * | 1993-02-17 | 1995-02-28 | Gay; John C. | Geomagnetic orientation sensor, means, and system |
| US5594169A (en) * | 1994-11-04 | 1997-01-14 | Gyration,Inc. | Optically sensed wire gyroscope apparatus and system, and methods for manufacture and cursor control |
| US5948043A (en) * | 1996-11-08 | 1999-09-07 | Etak, Inc. | Navigation system using GPS data |
| DE19704853C1 (de) * | 1997-02-10 | 1998-06-18 | Leica Ag | Verfahren zum Bestimmen von Korrekturparametern |
| KR100265379B1 (ko) * | 1997-11-05 | 2000-09-15 | 윤종용 | 지자계 편향 자동 보정 장치 |
| FR2856145B1 (fr) * | 2003-06-16 | 2005-09-02 | Michelin Soc Tech | Detection des revolutions d'un ensemble pneumatique et roue, a l'aide du champ magnetique terrestre. |
| FI120276B (fi) * | 2007-05-21 | 2009-08-31 | Suunto Oy | Kompassilaite ja menetelmä kompassilaitteita varten |
| DK2227676T3 (en) * | 2007-12-21 | 2017-05-15 | Bae Systems Plc | APPARATUS AND METHOD OF LANDING A ROTOR AIR |
| CN103743400B (zh) * | 2013-09-05 | 2017-04-05 | 新乡学院 | 一种磁航向解算装置 |
| CN110006324B (zh) * | 2019-05-14 | 2023-12-15 | 桂林电子科技大学 | 环模模孔参数的检测方法和装置 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2464057A (en) * | 1944-11-23 | 1949-03-08 | Fairchild Camera Instr Co | Earth inductor compass |
| GB853942A (en) * | 1957-01-28 | 1960-11-16 | Secr Aviation | Improvements relating to the correction of magnetic compasses |
| US3183603A (en) * | 1962-06-25 | 1965-05-18 | Sperry Rand Corp | Conversion apparatus and method for magnetic compass systems |
| US3355942A (en) * | 1965-05-14 | 1967-12-05 | Martin Marietta Corp | Man-carried auto-navigation device |
| US3584388A (en) * | 1967-05-31 | 1971-06-15 | Aviat Electric Ltd | Heading reference system |
| US3744312A (en) * | 1971-06-02 | 1973-07-10 | Smiths Industries Ltd | Navigation apparatus |
| GB1416381A (en) * | 1973-01-01 | 1975-12-03 | Plessey Co Ltd | Fluxgate compass arrangements |
| FR2212536B1 (US07655688-20100202-C00010.png) * | 1973-01-02 | 1976-04-09 | Crouzet Sa | |
| US3902252A (en) * | 1974-01-02 | 1975-09-02 | Safe Flight Instrument | Magnetic field directional sensor |
| US3991361A (en) * | 1975-03-27 | 1976-11-09 | Westinghouse Electric Corporation | Semi-automatic compass calibrator apparatus for a vehicle mounted flux gate compass system to cancel out effect of local magnetic disturbances |
| IT1073691B (it) * | 1976-08-26 | 1985-04-17 | Importazioni Esportazioni Rapp | Perfezionamento nelle bussole statiche |
-
1979
- 1979-09-13 GB GB7931769A patent/GB2042181B/en not_active Expired
- 1979-09-13 CA CA335,542A patent/CA1127304A/en not_active Expired
- 1979-09-14 US US06/075,421 patent/US4300390A/en not_active Expired - Lifetime
- 1979-09-14 FR FR7923022A patent/FR2447539B1/fr not_active Expired
- 1979-09-15 DE DE19792937426 patent/DE2937426A1/de not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| CA1127304A (en) | 1982-07-06 |
| US4300390A (en) | 1981-11-17 |
| DE2937426A1 (de) | 1980-07-31 |
| GB2042181B (en) | 1983-03-23 |
| FR2447539A1 (US07655688-20100202-C00010.png) | 1980-08-22 |
| GB2042181A (en) | 1980-09-17 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TP | Transmission of property | ||
| ST | Notification of lapse |