CA1132692A - Phase-locked laser gyroscope system - Google Patents
Phase-locked laser gyroscope systemInfo
- Publication number
- CA1132692A CA1132692A CA323,196A CA323196A CA1132692A CA 1132692 A CA1132692 A CA 1132692A CA 323196 A CA323196 A CA 323196A CA 1132692 A CA1132692 A CA 1132692A
- Authority
- CA
- Canada
- Prior art keywords
- signal
- frequency
- phase
- output
- difference
- 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
- 238000001914 filtration Methods 0.000 claims description 16
- 230000010287 polarization Effects 0.000 description 18
- 238000010586 diagram Methods 0.000 description 12
- 239000003990 capacitor Substances 0.000 description 8
- 239000013078 crystal Substances 0.000 description 6
- 230000001902 propagating effect Effects 0.000 description 6
- 238000013139 quantization Methods 0.000 description 6
- 230000000875 corresponding effect Effects 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
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 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
- 230000003139 buffering effect Effects 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
- 230000005669 field effect Effects 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
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 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
- 230000004044 response 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US89426778A | 1978-04-07 | 1978-04-07 | |
| US894,267 | 1992-06-08 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1132692A true CA1132692A (en) | 1982-09-28 |
Family
ID=25402832
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA323,196A Expired CA1132692A (en) | 1978-04-07 | 1979-03-12 | Phase-locked laser gyroscope system |
Country Status (5)
| Country | Link |
|---|---|
| JP (1) | JPS54139393A (enrdf_load_stackoverflow) |
| CA (1) | CA1132692A (enrdf_load_stackoverflow) |
| DE (1) | DE2911851C2 (enrdf_load_stackoverflow) |
| FR (1) | FR2422144A1 (enrdf_load_stackoverflow) |
| IT (1) | IT1116582B (enrdf_load_stackoverflow) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2426886A1 (fr) * | 1978-05-22 | 1979-12-21 | Litton Systems Inc | Gyroscope a laser |
| JP5055904B2 (ja) * | 2006-09-08 | 2012-10-24 | セイコーエプソン株式会社 | 検出装置、センサ及び電子機器 |
Family Cites Families (6)
| 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 |
| CA1077602A (en) * | 1976-01-02 | 1980-05-13 | Raytheon Company | Electromagnetic wave ring resonator |
| CA1136249A (en) * | 1978-03-27 | 1982-11-23 | James B. Matthews | Phased-locked loop laser gyroscope system |
-
1979
- 1979-03-12 CA CA323,196A patent/CA1132692A/en not_active Expired
- 1979-03-26 DE DE2911851A patent/DE2911851C2/de not_active Expired - Fee Related
- 1979-04-03 FR FR7908302A patent/FR2422144A1/fr active Granted
- 1979-04-05 IT IT48629/79A patent/IT1116582B/it active
- 1979-04-05 JP JP4151279A patent/JPS54139393A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2422144A1 (fr) | 1979-11-02 |
| IT7948629A0 (it) | 1979-04-05 |
| DE2911851C2 (de) | 1994-01-13 |
| JPS6410956B2 (enrdf_load_stackoverflow) | 1989-02-22 |
| DE2911851A1 (de) | 1979-10-11 |
| JPS54139393A (en) | 1979-10-29 |
| IT1116582B (it) | 1986-02-10 |
| FR2422144B1 (enrdf_load_stackoverflow) | 1985-05-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4429997A (en) | Phase-locked loop laser gyroscope system | |
| US4468773A (en) | Laser control apparatus and method | |
| US3741657A (en) | Laser gyroscope | |
| US4066978A (en) | Digital phase-locked loop filter | |
| US5206889A (en) | Timing interpolator | |
| US5485273A (en) | Ring laser gyroscope enhanced resolution system | |
| US3854819A (en) | Laser gyroscope | |
| JPH0783265B2 (ja) | レーザ励起ルビジウム原子発振器 | |
| US4632555A (en) | Ring laser gyroscopes | |
| CA1136249A (en) | Phased-locked loop laser gyroscope system | |
| US4318055A (en) | Digitally controlled phase lock distillator system | |
| US4415266A (en) | Phase-locked loop laser gyroscope system | |
| CN113711495A (zh) | 用于确定两频率之间比值的电路和方法 | |
| US4654604A (en) | Frequency controlled oscillator utilizing an U/D counter in the feedback | |
| US4123162A (en) | Multioscillator ring laser gyro output information processing system | |
| CA1132692A (en) | Phase-locked laser gyroscope system | |
| US3572948A (en) | Apparatus for measuring the electron density of a plasma | |
| US4972446A (en) | Voltage controlled oscillator using dual modulus divider | |
| US6374671B1 (en) | Method of stimulating an oscillator control for capacitive measurement of strength, acceleration and/or rotation speed | |
| US4146848A (en) | Frequency stabilizing system and method for beam type device | |
| US4184122A (en) | Digital phase comparison apparatus | |
| GB2138625A (en) | Ring laser rotational rate sensor | |
| US4320355A (en) | Sweep signal generation system | |
| US2933696A (en) | Stabilization of a maser cavity | |
| CA1125895A (en) | Laser gyro mode locking reduction scheme |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |