JPS56172710U - - Google Patents
Info
- Publication number
- JPS56172710U JPS56172710U JP1980071553U JP7155380U JPS56172710U JP S56172710 U JPS56172710 U JP S56172710U JP 1980071553 U JP1980071553 U JP 1980071553U JP 7155380 U JP7155380 U JP 7155380U JP S56172710 U JPS56172710 U JP S56172710U
- Authority
- JP
- Japan
- 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.)
- Granted
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)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980071553U JPS6035851Y2 (ja) | 1980-05-23 | 1980-05-23 | 方位検知装置 |
| US06/265,688 US4399615A (en) | 1980-05-23 | 1981-05-20 | Direction indicator |
| DE3120317A DE3120317C2 (de) | 1980-05-23 | 1981-05-21 | Richtungsanzeigegerät mit einem Richtungssensor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1980071553U JPS6035851Y2 (ja) | 1980-05-23 | 1980-05-23 | 方位検知装置 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56172710U true JPS56172710U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1981-12-19 |
| JPS6035851Y2 JPS6035851Y2 (ja) | 1985-10-24 |
Family
ID=13464033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1980071553U Expired JPS6035851Y2 (ja) | 1980-05-23 | 1980-05-23 | 方位検知装置 |
Country Status (3)
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5772110U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1980-10-20 | 1982-05-01 |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5729966A (en) * | 1980-07-30 | 1982-02-18 | Nippon Soken Inc | Magnetic field measuring device |
| US4497034A (en) * | 1981-08-05 | 1985-01-29 | Nippon Soken, Inc. | Heading detecting apparatus |
| JPS5897707A (ja) * | 1981-12-07 | 1983-06-10 | Nippon Soken Inc | 車両走行の帰路表示装置 |
| JPS5924260A (ja) * | 1982-07-31 | 1984-02-07 | Saura Keiki Seisakusho:Kk | マグネツトメ−タの設定方向測定方式 |
| JPS59116068A (ja) * | 1982-12-22 | 1984-07-04 | Hitachi Metals Ltd | 方位センサ− |
| 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 |
| JPH01214710A (ja) * | 1988-02-23 | 1989-08-29 | Alps Electric Co Ltd | 方位計測方法およびその装置 |
| US5602472A (en) * | 1993-01-15 | 1997-02-11 | Hughes Electronics | Apparatus and method for determining angular position and rotational speed using a rotating magnet and a directional magnetometer |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903610A (en) * | 1972-08-18 | 1975-09-09 | North Atlantic Industries | Apparatus for measuring magnetic field direction |
| JPS5562308A (en) * | 1978-11-02 | 1980-05-10 | Mitsubishi Electric Corp | Direction indicating device |
| JPS5565165A (en) * | 1978-11-10 | 1980-05-16 | Mitsubishi Electric Corp | Angle sensor |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2852859A (en) * | 1958-09-23 | A-axis | ||
| US3905121A (en) * | 1973-02-28 | 1975-09-16 | Tokai Rika Co Ltd | Device for indicating a direction on the earth{3 s surface |
| US3952420A (en) * | 1974-08-05 | 1976-04-27 | E-Systems, Inc. | Digital solid state compass |
| DE2651678C2 (de) * | 1976-11-12 | 1986-05-22 | Teldix Gmbh, 6900 Heidelberg | Kursmeßgerät für ein Fahrzeug |
| DE2929504C2 (de) * | 1978-07-21 | 1984-05-10 | Mitsubishi Denki K.K., Tokio/Tokyo | Richtungsweiservorrichtung |
| US4277751A (en) * | 1978-09-29 | 1981-07-07 | Neil Brown Instruments Systems, Inc. | Low-power magnetometer circuit with constant current drive |
| US4267640A (en) * | 1979-04-30 | 1981-05-19 | Rca Corporation | System for ascertaining magnetic field direction |
| US4262427A (en) * | 1979-08-10 | 1981-04-21 | Sperry Corporation | Flux valve compass system |
-
1980
- 1980-05-23 JP JP1980071553U patent/JPS6035851Y2/ja not_active Expired
-
1981
- 1981-05-20 US US06/265,688 patent/US4399615A/en not_active Expired - Fee Related
- 1981-05-21 DE DE3120317A patent/DE3120317C2/de not_active Expired
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3903610A (en) * | 1972-08-18 | 1975-09-09 | North Atlantic Industries | Apparatus for measuring magnetic field direction |
| JPS5562308A (en) * | 1978-11-02 | 1980-05-10 | Mitsubishi Electric Corp | Direction indicating device |
| JPS5565165A (en) * | 1978-11-10 | 1980-05-16 | Mitsubishi Electric Corp | Angle sensor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5772110U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1980-10-20 | 1982-05-01 |
Also Published As
| Publication number | Publication date |
|---|---|
| US4399615A (en) | 1983-08-23 |
| DE3120317A1 (de) | 1982-02-18 |
| DE3120317C2 (de) | 1987-03-05 |
| JPS6035851Y2 (ja) | 1985-10-24 |