CA1275484C - Readout apparatus for a laser angular rate sensor - Google Patents
Readout apparatus for a laser angular rate sensorInfo
- Publication number
- CA1275484C CA1275484C CA000507109A CA507109A CA1275484C CA 1275484 C CA1275484 C CA 1275484C CA 000507109 A CA000507109 A CA 000507109A CA 507109 A CA507109 A CA 507109A CA 1275484 C CA1275484 C CA 1275484C
- Authority
- CA
- Canada
- Prior art keywords
- pattern
- interference fringe
- periodic
- photosensitive
- beams
- Prior art date
- 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 - Lifetime
Links
- 230000000737 periodic effect Effects 0.000 claims abstract description 81
- 239000000758 substrate Substances 0.000 claims description 19
- 230000001419 dependent effect Effects 0.000 claims description 14
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 230000000873 masking effect Effects 0.000 claims description 2
- 230000009977 dual effect Effects 0.000 description 8
- 230000003287 optical effect Effects 0.000 description 5
- 244000287680 Garcinia dulcis Species 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 102100030796 E3 ubiquitin-protein ligase rififylin Human genes 0.000 description 1
- 101710128004 E3 ubiquitin-protein ligase rififylin Proteins 0.000 description 1
- 241000700159 Rattus Species 0.000 description 1
- 230000035559 beat frequency Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
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
- G01C19/58—Turn-sensitive devices without moving masses
- G01C19/64—Gyrometers using the Sagnac effect, i.e. rotation-induced shifts between counter-rotating electromagnetic beams
- G01C19/66—Ring laser gyrometers
- G01C19/661—Ring laser gyrometers details
- G01C19/662—Ring laser gyrometers details signal readout; dither compensators
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
- Optical Transform (AREA)
- Lasers (AREA)
- Gyroscopes (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US73329785A | 1985-05-10 | 1985-05-10 | |
| US733,297 | 1985-05-10 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1275484C true CA1275484C (en) | 1990-10-23 |
Family
ID=24947039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000507109A Expired - Lifetime CA1275484C (en) | 1985-05-10 | 1986-04-21 | Readout apparatus for a laser angular rate sensor |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US4871253A (en, 2012) |
| EP (1) | EP0201074B1 (en, 2012) |
| JP (1) | JPS61263291A (en, 2012) |
| CN (1) | CN1026155C (en, 2012) |
| CA (1) | CA1275484C (en, 2012) |
| DE (1) | DE3681336D1 (en, 2012) |
| IL (1) | IL78398A (en, 2012) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5000571A (en) * | 1989-03-31 | 1991-03-19 | Honeywell Inc. | Method of fabricating a readout apparatus for a ring laser gyroscope |
| WO1993012402A1 (en) * | 1991-12-19 | 1993-06-24 | Honeywell Inc. | Photodetection readout apparatus for a ring laser gyro |
| US5371592A (en) * | 1992-02-28 | 1994-12-06 | Honeywell Inc. | Laser intensity monitoring apparatus with metallic thin film mask |
| EP0995077A1 (en) * | 1997-07-17 | 2000-04-26 | Honeywell Inc. | Ring laser gyro readout |
| US20060290940A1 (en) * | 2005-06-22 | 2006-12-28 | Beaudet Richard G | Ring laser gyroscope combination sensor |
| US20080304076A1 (en) * | 2007-06-11 | 2008-12-11 | Honeywell International Inc. | Systems and methods for packaging and mounting readout and laser intensity monitor sensors |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3390606A (en) * | 1965-03-01 | 1968-07-02 | Honeywell Inc | Control apparatus |
| US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
| US4152072A (en) * | 1977-02-02 | 1979-05-01 | Litton Systems, Inc. | Photosensitive diodes for simplified optical heterodyning and cavity length control |
| JPS5539917A (en) * | 1978-09-12 | 1980-03-21 | Kyosan Electric Mfg | Bus sensor system |
| US4204230A (en) * | 1978-10-25 | 1980-05-20 | Xerox Corporation | High resolution input scanner using a two dimensional detector array |
| US4514832A (en) * | 1982-09-23 | 1985-04-30 | Rockwell International Corporation | Single mirror ring laser gyro readout without combining optics |
| US4536087A (en) * | 1983-06-08 | 1985-08-20 | The Singer Company | Dither compensator for ring laser gyroscope |
| US4676643A (en) * | 1985-10-04 | 1987-06-30 | Rockwell International Corporation | Ring laser gyro readout assembly simplification with adjustment capability |
-
1986
- 1986-03-31 IL IL78398A patent/IL78398A/xx unknown
- 1986-04-21 CA CA000507109A patent/CA1275484C/en not_active Expired - Lifetime
- 1986-05-06 DE DE8686106159T patent/DE3681336D1/de not_active Expired - Lifetime
- 1986-05-06 CN CN86103140A patent/CN1026155C/zh not_active Expired - Lifetime
- 1986-05-06 EP EP86106159A patent/EP0201074B1/en not_active Expired
- 1986-05-09 JP JP61105018A patent/JPS61263291A/ja active Granted
-
1987
- 1987-08-12 US US07/085,218 patent/US4871253A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| CN86103140A (zh) | 1986-11-26 |
| EP0201074A2 (en) | 1986-11-12 |
| US4871253A (en) | 1989-10-03 |
| EP0201074A3 (en) | 1989-03-29 |
| DE3681336D1 (de) | 1991-10-17 |
| IL78398A (en) | 1990-01-18 |
| JPS61263291A (ja) | 1986-11-21 |
| CN1026155C (zh) | 1994-10-05 |
| EP0201074B1 (en) | 1991-09-11 |
| JPH0482067B2 (en, 2012) | 1992-12-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA1275484C (en) | Readout apparatus for a laser angular rate sensor | |
| US4514832A (en) | Single mirror ring laser gyro readout without combining optics | |
| GB2107511A (en) | Ring laser gyroscope with compensation | |
| US4676643A (en) | Ring laser gyro readout assembly simplification with adjustment capability | |
| US3635552A (en) | Optical interferometer | |
| US4536087A (en) | Dither compensator for ring laser gyroscope | |
| US4514087A (en) | Ring laser gyroscope readout for partially overlapping beams | |
| EP0201853A2 (en) | Readout apparatus for a laser angular rate sensor | |
| US4061425A (en) | High resolution alignment interferometer | |
| US3802779A (en) | Method and apparatus for optically monitoring the angular position of a rotating mirror | |
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| EP0239946B1 (en) | Readout apparatus for a ring laser angular rate sensor | |
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| US6914929B1 (en) | Radiation-hardened RLG readout | |
| JPS61234311A (ja) | 円柱形レ−ザジャイロ | |
| EP0106573A2 (en) | Ring laser readout arrangements | |
| US4863271A (en) | Optical combiner for a ring laser gyro | |
| JPH045142B2 (en, 2012) | ||
| SU1384944A1 (ru) | Устройство дл поворота объекта | |
| US5000571A (en) | Method of fabricating a readout apparatus for a ring laser gyroscope | |
| SU614320A1 (ru) | Устройство дл определени координат объекта | |
| SU1113671A1 (ru) | Устройство дл измерени угловых перемещений | |
| SU787891A1 (ru) | Фотоэлектрический автоколлимационный датчик крена | |
| JPH03269311A (ja) | 光ビーム位置検出装置 | |
| GB2184866A (en) | A contactless interferometric sensor for incremental scanning of variable interference structures |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |