IT1073691B - Perfezionamento nelle bussole statiche - Google Patents
Perfezionamento nelle bussole staticheInfo
- Publication number
- IT1073691B IT1073691B IT51036/76A IT5103676A IT1073691B IT 1073691 B IT1073691 B IT 1073691B IT 51036/76 A IT51036/76 A IT 51036/76A IT 5103676 A IT5103676 A IT 5103676A IT 1073691 B IT1073691 B IT 1073691B
- Authority
- IT
- Italy
- Prior art keywords
- compasses
- static
- improvement
- static compasses
- Prior art date
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
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Electromagnetism (AREA)
- General Physics & Mathematics (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Measuring Magnetic Variables (AREA)
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT51036/76A IT1073691B (it) | 1976-08-26 | 1976-08-26 | Perfezionamento nelle bussole statiche |
US05/822,415 US4179741A (en) | 1976-08-26 | 1977-08-08 | Magnetic compasses |
DE19772738088 DE2738088A1 (de) | 1976-08-26 | 1977-08-24 | Statischer kompass |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT51036/76A IT1073691B (it) | 1976-08-26 | 1976-08-26 | Perfezionamento nelle bussole statiche |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1073691B true IT1073691B (it) | 1985-04-17 |
Family
ID=11274277
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT51036/76A IT1073691B (it) | 1976-08-26 | 1976-08-26 | Perfezionamento nelle bussole statiche |
Country Status (3)
Country | Link |
---|---|
US (1) | US4179741A (it) |
DE (1) | DE2738088A1 (it) |
IT (1) | IT1073691B (it) |
Families Citing this family (29)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2042181B (en) * | 1979-01-24 | 1983-03-23 | Nippon Telegraph & Telephone | Determining positional coordinates utilising the terrestrial magnetism as a directional reference |
US4295201A (en) * | 1979-04-27 | 1981-10-13 | Aga Aktiebolag | Electronic distance-measuring instrument |
FR2484079A1 (fr) * | 1980-06-05 | 1981-12-11 | Crouzet Sa | Procede de compensation des perturbations magnetiques dans la determination d'un cap magnetique, et dispositif pour la mise en oeuvre de ce procede |
JPS5729966A (en) * | 1980-07-30 | 1982-02-18 | Nippon Soken Inc | Magnetic field measuring device |
NL8101833A (nl) * | 1981-04-14 | 1982-11-01 | Johannes Frederik Cramwinckel | Stelsel voor het bepalen van de koershoek van een vaar- of voertuig. |
US4398353A (en) * | 1981-11-06 | 1983-08-16 | Sperry Corporation | Compass data converter |
US4546550A (en) * | 1982-10-12 | 1985-10-15 | Plessey Overseas Ltd. | Compass |
US4546551A (en) * | 1983-03-24 | 1985-10-15 | Prince Corporation | Electrical control system |
US4611293A (en) * | 1983-11-28 | 1986-09-09 | Magnavox Government And Industrial Electronics Company | Method and apparatus for automatic calibration of magnetic compass |
US4797841A (en) * | 1983-11-28 | 1989-01-10 | Magnavox Government And Industrial Electronics Company | Method and apparatus for automatic calibration of magnetic compass |
EP0183735A1 (de) * | 1984-05-22 | 1986-06-11 | Kurt Tschannen | Elektronischer kompass |
US4677381A (en) * | 1984-10-19 | 1987-06-30 | Prince Corporation | Flux-gate sensor electrical drive method and circuit |
CA1266715A (en) * | 1985-08-28 | 1990-03-13 | Martinus Leonardus Gerardus Thoone | Land vehicle navigation device comprising a filter unit for determining an optimum heading from presented orientation signals, and filter unit to be used in said navigation device |
US4777602A (en) * | 1986-06-26 | 1988-10-11 | Sperry Marine Inc. | Digital autopilot controller for marine vessels |
DE3644683A1 (de) * | 1986-12-30 | 1988-07-14 | Bosch Gmbh Robert | Navigationsverfahren fuer fahrzeuge mit elektronischem kompass |
DE3704934A1 (de) * | 1987-02-17 | 1988-08-25 | Wellhausen Heinz | Elektronischer kompass mit richtungsabhaengigen magnetfeldsensoren |
US4791729A (en) * | 1987-04-22 | 1988-12-20 | Suda Raymond A | Electronic compass and method |
US5062061A (en) * | 1990-10-25 | 1991-10-29 | Conoco Inc. | Automatic direction control for omni-directional shear wave sources |
US5297063A (en) * | 1991-12-27 | 1994-03-22 | Chrysler Corporation | Method for selecting calibration data for an auto-calibrating compass |
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 |
US5737226A (en) * | 1995-06-05 | 1998-04-07 | Prince Corporation | Vehicle compass system with automatic calibration |
US5878370A (en) * | 1995-12-01 | 1999-03-02 | Prince Corporation | Vehicle compass system with variable resolution |
US5924212A (en) * | 1996-10-09 | 1999-07-20 | Donnelly Corporation | Electronic compass |
FR2759969B1 (fr) * | 1997-02-27 | 1999-05-28 | Marcel Bruno | Dispositif pour modifier la trajectoire d'un bateau |
US6301794B1 (en) | 1999-05-27 | 2001-10-16 | Johnson Controls, Inc. | Vehicle compass system with continuous automatic calibration |
JP3782915B2 (ja) * | 2000-02-16 | 2006-06-07 | セイコーインスツル株式会社 | 磁気センサを有する電子機器 |
US20050116801A1 (en) * | 2003-03-07 | 2005-06-02 | Proehl Gregory L. | Sensor coil and method of manufacturing same |
KR100532622B1 (ko) * | 2003-11-26 | 2005-12-01 | 삼성전자주식회사 | 3축 플럭스게이트형 자기검출장치 및 자기검출방법 |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3555541A (en) * | 1966-10-21 | 1971-01-12 | Bendix Corp | Electronic angle signal modifier and encoder |
US3746842A (en) * | 1971-09-27 | 1973-07-17 | Laitram Corp | Digital magnetic compass |
US3878535A (en) * | 1972-06-08 | 1975-04-15 | Sundstrand Data Control | Phase locked loop method of synchro-to-digital conversion |
US3851330A (en) * | 1973-02-20 | 1974-11-26 | Trw Inc | Amplitude-to-phase conversion circuit |
US3918044A (en) * | 1973-09-07 | 1975-11-04 | Aviat Electric Ltd | Compensated coordinate resolution circuit |
US3938257A (en) * | 1974-12-02 | 1976-02-17 | Sperry Rand Corporation | Two-cycle compensator for flux valve heading repeater system |
US3975621A (en) * | 1975-02-24 | 1976-08-17 | The Laitram Corporation | Digital compass averaging circuit |
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 |
US4032758A (en) * | 1975-11-05 | 1977-06-28 | The Boeing Company | Compensated vehicle heading system |
US4038528A (en) * | 1975-11-10 | 1977-07-26 | The Laitram Corporation | Automatic piloting system |
-
1976
- 1976-08-26 IT IT51036/76A patent/IT1073691B/it active
-
1977
- 1977-08-08 US US05/822,415 patent/US4179741A/en not_active Expired - Lifetime
- 1977-08-24 DE DE19772738088 patent/DE2738088A1/de active Pending
Also Published As
Publication number | Publication date |
---|---|
DE2738088A1 (de) | 1978-03-02 |
US4179741A (en) | 1979-12-18 |
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