CA1085031A - Gyoscope au laser avec miroirs oscillant en phase - Google Patents

Gyoscope au laser avec miroirs oscillant en phase

Info

Publication number: CA1085031A
Authority: CA; Canada
Prior art keywords: mirrors; mirror; laser; gyroscope; vibratory motion
Prior art date: 1976-11-08
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

Application number

CA285,902A

Other languages

English (en)

Inventor

Thomas J. Hutchings

Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)

Northrop Grumman Guidance and Electronics Co Inc

Original Assignee

Litton Systems Inc

Priority date (The priority date 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 date listed.)

1976-11-08

Filing date

1977-08-31

Publication date

1980-09-02

1977-08-31 Application filed by Litton Systems Inc filed Critical Litton Systems Inc

1980-09-02 Application granted granted Critical

1980-09-02 Publication of CA1085031A publication Critical patent/CA1085031A/fr

Status Expired legal-status Critical Current

Links

230000033001 locomotion Effects 0.000 claims abstract description 18
238000006073 displacement reaction Methods 0.000 claims description 9
238000000034 method Methods 0.000 abstract description 4
230000003287 optical effect Effects 0.000 abstract description 4
230000008602 contraction Effects 0.000 abstract 1
239000007789 gas Substances 0.000 description 6
239000010453 quartz Substances 0.000 description 6
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
235000012431 wafers Nutrition 0.000 description 6
230000000694 effects Effects 0.000 description 5
230000000712 assembly Effects 0.000 description 3
238000000429 assembly Methods 0.000 description 3
230000007935 neutral effect Effects 0.000 description 3
230000035559 beat frequency Effects 0.000 description 2
239000000203 mixture Substances 0.000 description 2
230000010355 oscillation Effects 0.000 description 2
241000282320 Panthera leo Species 0.000 description 1
238000011109 contamination Methods 0.000 description 1
230000008878 coupling Effects 0.000 description 1
238000010168 coupling process Methods 0.000 description 1
238000005859 coupling reaction Methods 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000005684 electric field Effects 0.000 description 1
238000005516 engineering process Methods 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
CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 1
238000005286 illumination Methods 0.000 description 1
239000000463 material 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
230000002093 peripheral effect Effects 0.000 description 1
230000010363 phase shift Effects 0.000 description 1
230000005855 radiation 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
- G01C19/68—Lock-in prevention
- G01C19/70—Lock-in prevention by mechanical means

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)
Gyroscopes (AREA)
Lasers (AREA)

CA285,902A 1976-11-08 1977-08-31 Gyoscope au laser avec miroirs oscillant en phase Expired CA1085031A (fr)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US73976776A	1976-11-08	1976-11-08
US739,767		1996-10-30

Publications (1)

Publication Number	Publication Date
CA1085031A true CA1085031A (fr)	1980-09-02

Family

ID=24973708

Family Applications (2)

Application Number	Title	Priority Date	Filing Date
CA285,902A Expired CA1085031A (fr)	1976-11-08	1977-08-31	Gyoscope au laser avec miroirs oscillant en phase
CA000457634A Expired CA1180795B (fr)	1976-11-08	1984-06-27	Gyroscope a laser avec miroirs oscillants a commande de phase

Family Applications After (1)

Application Number	Title	Priority Date	Filing Date
CA000457634A Expired CA1180795B (fr)	1976-11-08	1984-06-27	Gyroscope a laser avec miroirs oscillants a commande de phase

Country Status (6)

Country	Link
JP (1)	JPS5357793A (fr)
CA (2)	CA1085031A (fr)
DE (1)	DE2749157C3 (fr)
FR (1)	FR2370262A1 (fr)
GB (1)	GB1536077A (fr)
IL (1)	IL52920A (fr)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1125895A (fr) *	1978-05-26	1982-06-15	Virgil E. Sanders	Methode pour reduire le blocage de modes dans un gyroscope a laser
IL57936A (en) *	1978-10-02	1982-07-30	Litton Systems Inc	Ring laser with adjustable mirrors
US4243324A (en) *	1979-03-21	1981-01-06	The Singer Company	Feedback system for controlling lock-in in spring suspended ring laser gyroscope
US4383763A (en) *	1979-09-12	1983-05-17	Litton Systems, Inc.	Controllable mirrors
CA1154851A (fr) *	1980-03-24	1983-10-04	Litton Systems, Inc.	Gyroscope a laser en anneau a agitation acoustique
US4410276A (en) *	1981-06-15	1983-10-18	The Singer Company	Ring laser gyroscope with doppler mirrors
US4653919A (en) *	1982-02-08	1987-03-31	Sundstrand Optical Technologies, Inc.	Laser gyro with dithered mirrors and current dither
US4526469A (en) *	1982-03-01	1985-07-02	Honeywell Inc.	Discriminant apparatus for laser gyros
US4551021A (en) *	1982-03-01	1985-11-05	Honeywell Inc.	Discriminant apparatus for laser gyros
IL70499A (en) *	1982-12-27	1988-06-30	Litton Systems Inc	Laser cathode
DE3320345A1 (de) *	1983-06-04	1984-12-06	Litton Systems, Inc., Beverly Hills, Calif.	Ringlaser-gyroskop
US4755057A (en) *	1984-10-02	1988-07-05	Litton Systems, Inc.	Path length control method for ring laser gyroscope
US4801206A (en) *	1986-06-04	1989-01-31	Litton Systems, Inc.	Simplified ring laser gyroscope dither control and method
US4779985A (en) *	1986-12-22	1988-10-25	Litton Systems, Inc.	Dither suspension for ring laser gyroscope and method
US5442442A (en) *	1987-10-28	1995-08-15	Litton Systems, Inc.	Ring laser gyroscope scale factor error control apparatus and method control apparatus and method
CN115406468B (zh) *	2022-11-01	2023-01-17	天津集智航宇科技有限公司	基于机械纳米步进调节激光陀螺的背向散射的装置和方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3581227A (en) *	1968-04-18	1971-05-25	Honeywell Inc	Adjustable, thin membrane mirror for use in the stabilization of ring lasers
US3533014A (en) *	1968-06-04	1970-10-06	Massachusetts Inst Technology	Gas ring laser using oscillating radiation scattering sources within the laser cavity

1977
- 1977-08-31 CA CA285,902A patent/CA1085031A/fr not_active Expired
- 1977-09-11 IL IL52920A patent/IL52920A/xx unknown
- 1977-10-06 GB GB41708/77A patent/GB1536077A/en not_active Expired
- 1977-10-11 FR FR7730553A patent/FR2370262A1/fr active Granted
- 1977-10-12 JP JP12161377A patent/JPS5357793A/ja active Granted
- 1977-11-03 DE DE2749157A patent/DE2749157C3/de not_active Expired
1984
- 1984-06-27 CA CA000457634A patent/CA1180795B/fr not_active Expired

Also Published As

Publication number	Publication date
JPS5738194B2 (fr)	1982-08-13
IL52920A (en)	1979-09-30
FR2370262A1 (fr)	1978-06-02
FR2370262B1 (fr)	1980-05-16
CA1180795B (fr)	1985-01-08
DE2749157B2 (de)	1980-02-28
JPS5357793A (en)	1978-05-25
DE2749157A1 (de)	1978-05-11
DE2749157C3 (de)	1980-10-16
GB1536077A (en)	1978-12-20

Legal Events

Date	Code	Title	Description
1985-01-08	MZSU	Surrender
1997-09-02	MKEX	Expiry

Publication	Publication Date	Title
CA1085031A (fr)	1980-09-02	Gyoscope au laser avec miroirs oscillant en phase
US4281930A (en)	1981-08-04	Laser gyro with phased dithered mirrors
US4326803A (en)	1982-04-27	Thin film laser gyro
US5359413A (en)	1994-10-25	System for substantially eleminating lock-in in a ring laser gyroscope
US4213705A (en)	1980-07-22	Four mode Zeeman laser gyroscope with minimum hole burning competition
US4813774A (en)	1989-03-21	Skewed rhombus ring laser gyro
JPS6145399B2 (fr)	1986-10-07
US4632555A (en)	1986-12-30	Ring laser gyroscopes
US4473297A (en)	1984-09-25	Ring laser gyroscope utilizing phase detector for minimizing beam lock-in
US4801206A (en)	1989-01-31	Simplified ring laser gyroscope dither control and method
US4410276A (en)	1983-10-18	Ring laser gyroscope with doppler mirrors
US4653919A (en)	1987-03-31	Laser gyro with dithered mirrors and current dither
US3533014A (en)	1970-10-06	Gas ring laser using oscillating radiation scattering sources within the laser cavity
US4779985A (en)	1988-10-25	Dither suspension for ring laser gyroscope and method
US4686683A (en)	1987-08-11	Laser angular rate sensor with dithered mirrors
US4790657A (en)	1988-12-13	Ring laser gyroscope curved blade flexure and support ring assembly and method
US4325033A (en)	1982-04-13	Pneumatically dithered laser gyro
US5412475A (en)	1995-05-02	Diagonal pathlength control
JPH057876B2 (fr)	1993-01-29
US5080487A (en)	1992-01-14	Ring laser gyroscope with geometrically induced bias
WO1985003568A1 (fr)	1985-08-15	Vibreur de miroir basculant pour gyroscope a laser en anneau
US5333046A (en)	1994-07-26	Diagonal pathlength control
CA1252551A (fr)	1989-04-11	Capteur de vitesse angulaire a laser dote de miroirs vibrants
KR100186906B1 (ko)	1999-05-15	고체 비평면 레이저 자이로스코프
JPH02220483A (ja)	1990-09-03	リングレーザジャイロの光路長制御機構