CA1136249A - Phased-locked loop laser gyroscope system - Google Patents
Phased-locked loop laser gyroscope systemInfo
- Publication number
- CA1136249A CA1136249A CA000322871A CA322871A CA1136249A CA 1136249 A CA1136249 A CA 1136249A CA 000322871 A CA000322871 A CA 000322871A CA 322871 A CA322871 A CA 322871A CA 1136249 A CA1136249 A CA 1136249A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- frequency
- difference
- producing
- coupled
- 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
Links
- 238000013139 quantization Methods 0.000 claims abstract description 8
- 230000001902 propagating effect Effects 0.000 claims description 6
- 230000004044 response Effects 0.000 claims description 3
- 230000003287 optical effect Effects 0.000 claims 1
- 238000001228 spectrum Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract 1
- 230000010287 polarization Effects 0.000 description 17
- 238000010586 diagram Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 7
- 239000013078 crystal Substances 0.000 description 5
- 230000008859 change Effects 0.000 description 3
- 230000010363 phase shift Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000005350 fused silica glass Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229910052754 neon Inorganic materials 0.000 description 1
- GKAOGPIIYCISHV-UHFFFAOYSA-N neon atom Chemical compound [Ne] GKAOGPIIYCISHV-UHFFFAOYSA-N 0.000 description 1
- 230000009467 reduction Effects 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
- G01C19/667—Ring laser gyrometers using a multioscillator ring laser
Landscapes
- Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Engineering & Computer Science (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Lasers (AREA)
- Gyroscopes (AREA)
- Stabilization Of Oscillater, Synchronisation, Frequency Synthesizers (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89042378A | 1978-03-27 | 1978-03-27 | |
| US890,423 | 1978-03-27 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1136249A true CA1136249A (en) | 1982-11-23 |
Family
ID=25396657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000322871A Expired CA1136249A (en) | 1978-03-27 | 1979-03-05 | Phased-locked loop laser gyroscope system |
Country Status (4)
| Country | Link |
|---|---|
| JP (1) | JPS54139392A (enrdf_load_stackoverflow) |
| CA (1) | CA1136249A (enrdf_load_stackoverflow) |
| DE (1) | DE2911789A1 (enrdf_load_stackoverflow) |
| GB (1) | GB2017392B (enrdf_load_stackoverflow) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA1132692A (en) * | 1978-04-07 | 1982-09-28 | James B. Matthews | Phase-locked laser gyroscope system |
| US4697888A (en) * | 1982-04-21 | 1987-10-06 | Chevron Research Company | Frequency shifted cavity for electromagnetic radiation |
| US4586184A (en) * | 1983-10-21 | 1986-04-29 | Chevron Research Company | Acoustically controlled frequency shifted cavity for electromagnetic radiation |
| GB2184285B (en) * | 1983-11-07 | 1990-08-01 | Raytheon Co | Ring laser gyroscope |
| US4652132A (en) * | 1983-11-07 | 1987-03-24 | Raytheon Company | Optical power compensated ring laser gyroscope |
| JP3323844B2 (ja) * | 1999-01-18 | 2002-09-09 | キヤノン株式会社 | ジャイロ |
| US6665330B1 (en) | 1999-09-14 | 2003-12-16 | Canon Kabushiki Kaisha | Semiconductor device having a semiconductor ring laser with a circularly formed ridge optical waveguide |
| JP2001159521A (ja) | 1999-12-01 | 2001-06-12 | Canon Inc | 角速度検出装置 |
| FR2876447B1 (fr) * | 2004-03-16 | 2007-11-02 | Thales Sa | Gyrolaser a etat solide stabilise a quatre modes sans zone aveugle |
| RU2382333C2 (ru) * | 2006-01-27 | 2010-02-20 | Талес | Четырехмодовый гироскоп на стабилизированном твердотельном лазере без зоны нечувствительности |
| CN118794419B (zh) * | 2024-09-10 | 2025-04-04 | 中科亿海微电子科技（苏州）有限公司 | 激光陀螺锁区的数字抖动驱动控制电路及工作方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3697181A (en) * | 1967-03-14 | 1972-10-10 | Sperry Rand Corp | Ring laser having amplitude and phase controlled crossed-beam anti-locking feedback |
| US3741657A (en) * | 1971-03-03 | 1973-06-26 | Raytheon Co | Laser gyroscope |
| US3807866A (en) * | 1972-04-21 | 1974-04-30 | Rockwell International Corp | Ring laser gyroscope having a constant output beat-frequency |
| US3846025A (en) * | 1973-04-02 | 1974-11-05 | S Wilber | Frequency sensitive laser rotary motion sensor |
-
1979
- 1979-03-05 CA CA000322871A patent/CA1136249A/en not_active Expired
- 1979-03-12 GB GB7908589A patent/GB2017392B/en not_active Expired
- 1979-03-26 DE DE2911789A patent/DE2911789A1/de active Granted
- 1979-03-26 JP JP3540979A patent/JPS54139392A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| DE2911789C2 (enrdf_load_stackoverflow) | 1991-08-29 |
| JPS54139392A (en) | 1979-10-29 |
| DE2911789A1 (de) | 1979-10-04 |
| GB2017392A (en) | 1979-10-03 |
| GB2017392B (en) | 1982-05-26 |
| JPS6141158B2 (enrdf_load_stackoverflow) | 1986-09-12 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |