FR2293696B1 - - Google Patents
Info
- Publication number
- FR2293696B1 FR2293696B1 FR7536668A FR7536668A FR2293696B1 FR 2293696 B1 FR2293696 B1 FR 2293696B1 FR 7536668 A FR7536668 A FR 7536668A FR 7536668 A FR7536668 A FR 7536668A FR 2293696 B1 FR2293696 B1 FR 2293696B1
- 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
- G01C17/36—Repeaters for remote indication of readings of a master compass
-
- 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
- G01C17/00—Compasses; Devices for ascertaining true or magnetic north for navigation or surveying purposes
- G01C17/38—Testing, calibrating, or compensating of compasses
Landscapes
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Electromagnetism (AREA)
- Measuring Magnetic Variables (AREA)
- Feedback Control In General (AREA)
- Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
- Lifting Devices For Agricultural Implements (AREA)
- Ac-Ac Conversion (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/528,759 US3942257A (en) | 1974-12-02 | 1974-12-02 | Index error correction for flux valve heading repeater system |
| US05/528,760 US3939572A (en) | 1974-12-02 | 1974-12-02 | Latitude compensator for flux valve heading repeater system |
| US05/528,758 US3938257A (en) | 1974-12-02 | 1974-12-02 | Two-cycle compensator for flux valve heading repeater system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2293696A1 FR2293696A1 (fr) | 1976-07-02 |
| FR2293696B1 true FR2293696B1 (forum.php) | 1982-06-25 |
Family
ID=27415007
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7536668A Granted FR2293696A1 (fr) | 1974-12-02 | 1975-12-01 | Systeme de compas magnetique a transmission de donnees |
Country Status (6)
| Country | Link |
|---|---|
| JP (2) | JPS5942244B2 (forum.php) |
| CA (1) | CA1059311A (forum.php) |
| DE (1) | DE2554190C2 (forum.php) |
| FR (1) | FR2293696A1 (forum.php) |
| GB (2) | GB1487162A (forum.php) |
| IT (1) | IT1060081B (forum.php) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4143467A (en) * | 1978-05-01 | 1979-03-13 | Sperry Rand Corporation | Semi-automatic self-contained magnetic azimuth detector calibration apparatus and method |
| US4262427A (en) * | 1979-08-10 | 1981-04-21 | Sperry Corporation | Flux valve compass system |
| CN114937403A (zh) * | 2022-06-20 | 2022-08-23 | 中国人民解放军空军工程大学航空机务士官学校 | 用于位置随动控制的实验装置 |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1623555B2 (de) * | 1967-07-05 | 1977-10-20 | Smiths Industries Ltd., London | Navigationsgeraet zur bestimmung der nord/sued- und ost/west-komponenten des rechtweisenden kurses eines fahrzeuges |
| US3548284A (en) * | 1968-07-19 | 1970-12-15 | Sperry Rand Corp | Synchro data transmission apparatus having discrete gain changing to compensate for undesirable signal gradient variations |
| US3678593A (en) * | 1968-12-26 | 1972-07-25 | Sperry Rand Corp | Compass system and components therefor having automatic field cancellation |
| US3705980A (en) * | 1970-01-02 | 1972-12-12 | Sperry Rand Corp | Controlled magnitude repeater for synchro and resolver signals |
| US3646537A (en) * | 1970-03-13 | 1972-02-29 | Sperry Rand Corp | Automatic gain control for an electromechanical transducer |
| US3617863A (en) * | 1970-04-02 | 1971-11-02 | Sperry Rand Corp | Constant amplitude-variable phase circuit |
| US3784753A (en) * | 1972-12-26 | 1974-01-08 | Sperry Rand Corp | Multiplexed gain control for a synchro data transmission system |
-
1975
- 1975-10-22 CA CA238,149A patent/CA1059311A/en not_active Expired
- 1975-10-31 GB GB4511976A patent/GB1487162A/en not_active Expired
- 1975-10-31 GB GB4510875A patent/GB1487161A/en not_active Expired
- 1975-11-27 JP JP14181475A patent/JPS5942244B2/ja not_active Expired
- 1975-11-27 JP JP14181575A patent/JPS5178265A/ja active Pending
- 1975-12-01 IT IT5247575A patent/IT1060081B/it active
- 1975-12-01 FR FR7536668A patent/FR2293696A1/fr active Granted
- 1975-12-02 DE DE19752554190 patent/DE2554190C2/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| IT1060081B (it) | 1982-07-10 |
| JPS5178265A (en) | 1976-07-07 |
| FR2293696A1 (fr) | 1976-07-02 |
| JPS5942244B2 (ja) | 1984-10-13 |
| DE2554190A1 (de) | 1976-08-12 |
| CA1059311A (en) | 1979-07-31 |
| GB1487161A (en) | 1977-09-28 |
| GB1487162A (en) | 1977-09-28 |
| JPS5178264A (en) | 1976-07-07 |
| DE2554190C2 (de) | 1986-02-06 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |