FR2377029B1 - - Google Patents
Info
- Publication number
- FR2377029B1 FR2377029B1 FR7800434A FR7800434A FR2377029B1 FR 2377029 B1 FR2377029 B1 FR 2377029B1 FR 7800434 A FR7800434 A FR 7800434A FR 7800434 A FR7800434 A FR 7800434A FR 2377029 B1 FR2377029 B1 FR 2377029B1
- 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
- G01C19/00—Gyroscopes; Turn-sensitive devices using vibrating masses; Turn-sensitive devices without moving masses; Measuring angular rate using gyroscopic effects
- G01C19/02—Rotary gyroscopes
- G01C19/34—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes
- G01C19/38—Rotary gyroscopes for indicating a direction in the horizontal plane, e.g. directional gyroscopes with north-seeking action by other than magnetic means, e.g. gyrocompasses using earth's rotation
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Position Input By Displaying (AREA)
- Control Of Position Or Direction (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/758,292 US4109391A (en) | 1977-01-10 | 1977-01-10 | Portable surveying compass with flux valve and gyrocompass alignment modes |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2377029A1 FR2377029A1 (fr) | 1978-08-04 |
| FR2377029B1 true FR2377029B1 (US08063081-20111122-C00115.png) | 1983-02-11 |
Family
ID=25051225
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7800434A Granted FR2377029A1 (fr) | 1977-01-10 | 1978-01-09 | Compas gyroscopique |
Country Status (7)
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4283960A (en) * | 1979-08-20 | 1981-08-18 | Sperry Corporation | Gyroscope indexing drive mechanism |
| JPS5832416U (ja) * | 1981-08-28 | 1983-03-03 | 株式会社トキメック | ジヤイロ装置 |
| JPS5832417U (ja) * | 1981-08-28 | 1983-03-03 | 株式会社トキメック | ジヤイロ装置 |
| GB2143948B (en) * | 1983-07-23 | 1986-08-06 | Ferranti Plc | Apparatus for determining the direction of a line of sight |
| US5086568A (en) * | 1988-08-11 | 1992-02-11 | The United States Of America As Represented By The Secretary Of The Interior | Geological gyrocompass |
| US5046259A (en) * | 1990-05-14 | 1991-09-10 | Harbor Branch Oceanographic Institution, Inc. | Underwater measuring systems and methods |
| US6883241B2 (en) * | 2003-07-31 | 2005-04-26 | Medtronic, Inc. | Compass-based indicator with magnetic shielding |
| IL198109A (en) * | 2009-04-07 | 2013-01-31 | Azimuth Technologies Ltd | Facility, system and method for finding the north |
| KR101245196B1 (ko) * | 2011-01-25 | 2013-03-19 | 주식회사 아앤시티 | 자이로스코프 |
| EP2824421B1 (en) * | 2013-07-08 | 2016-06-29 | Vectronix AG | Digital Magnetic Compass Compensation |
| US10982530B2 (en) * | 2016-04-03 | 2021-04-20 | Schlumberger Technology Corporation | Apparatus, system and method of a magnetically shielded wellbore gyroscope |
| JP6823418B2 (ja) | 2016-09-30 | 2021-02-03 | Ntn株式会社 | インホイールモータ駆動装置 |
| JP6823417B2 (ja) | 2016-09-30 | 2021-02-03 | Ntn株式会社 | インホイールモータ駆動装置 |
| CN109443335B (zh) * | 2018-10-31 | 2022-06-17 | 中国船舶重工集团公司第七0七研究所 | 一种用于摆式陀螺寻北仪的新型敏感部 |
| CN114370877B (zh) * | 2021-12-30 | 2024-07-02 | 上海市机械施工集团有限公司 | 一种基于支导线和陀螺定向的隧道测量方法 |
Family Cites Families (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3162951A (en) * | 1964-12-29 | Stationary gyroscopic compass | ||
| GB1032473A (US08063081-20111122-C00115.png) * | 1963-06-19 | |||
| US3386179A (en) * | 1964-03-14 | 1968-06-04 | Teldix Luftfahrt Ausruestung | Gyrocompass |
| US3443320A (en) * | 1964-09-21 | 1969-05-13 | North American Rockwell | Electrostatic gyrocompass |
| US3452443A (en) * | 1965-06-09 | 1969-07-01 | Sperry Rand Corp | Gyrocompasses |
| US3417474A (en) * | 1965-10-19 | 1968-12-24 | Gen Precision Systems Inc | Gyrocompass |
| US3858328A (en) * | 1971-04-29 | 1975-01-07 | Rose Russell Louis | Means and techniques useful in gyros |
| US3780444A (en) * | 1971-05-12 | 1973-12-25 | Ambac Ind | Gyrocompass |
| GB1344893A (en) * | 1971-05-17 | 1974-01-23 | Bodenseewerk Geraetetech | Meridian gyroscope |
| US3837086A (en) * | 1972-08-31 | 1974-09-24 | Bendix Corp | Compass coupler |
| US3921305A (en) * | 1973-01-08 | 1975-11-25 | King Radio Corp | Method and apparatus for digitally operating a compass card in a navigation system |
| US3967384A (en) * | 1974-08-19 | 1976-07-06 | Sperry Rand Corporation | Start-up conditioning means for an azimuth reference |
| US4033045A (en) * | 1975-10-14 | 1977-07-05 | Sperry Rand Corporation | Portable surveying gyrocompass apparatus |
-
1977
- 1977-01-10 US US05/758,292 patent/US4109391A/en not_active Expired - Lifetime
-
1978
- 1978-01-06 IT IT7847556A patent/IT1206669B/it active
- 1978-01-09 JP JP105878A patent/JPS5389463A/ja active Granted
- 1978-01-09 GB GB634/78A patent/GB1555286A/en not_active Expired
- 1978-01-09 FR FR7800434A patent/FR2377029A1/fr active Granted
- 1978-01-10 DE DE2800861A patent/DE2800861C2/de not_active Expired
- 1978-01-10 NL NL7800306A patent/NL7800306A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| DE2800861A1 (de) | 1978-07-13 |
| NL7800306A (nl) | 1978-07-12 |
| IT7847556A0 (it) | 1978-01-06 |
| JPS6125083B2 (US08063081-20111122-C00115.png) | 1986-06-13 |
| FR2377029A1 (fr) | 1978-08-04 |
| GB1555286A (en) | 1979-11-07 |
| US4109391A (en) | 1978-08-29 |
| JPS5389463A (en) | 1978-08-07 |
| DE2800861C2 (de) | 1987-01-22 |
| IT1206669B (it) | 1989-04-27 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| CD | Change of name or company name | ||
| ST | Notification of lapse |