CA1180795B - Gyroscope a laser avec miroirs oscillants a commande de phase - Google Patents

Gyroscope a laser avec miroirs oscillants a commande de phase

Info

Publication number: CA1180795B
Authority: CA; Canada
Prior art keywords: mirrors; laser; mirror; vibrating; ring laser
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

CA000457634A

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

1984-06-27

Publication date

1985-01-08

1984-06-27 Application filed by Litton Systems Inc filed Critical Litton Systems Inc

1985-01-08 Application granted granted Critical

1985-01-08 Publication of CA1180795B publication Critical patent/CA1180795B/fr

Status Expired legal-status Critical Current

Links

230000033001 locomotion Effects 0.000 claims abstract description 16
230000003287 optical effect Effects 0.000 claims abstract description 6
238000006073 displacement reaction Methods 0.000 claims description 9
230000007935 neutral effect Effects 0.000 claims description 4
230000010355 oscillation Effects 0.000 claims description 3
238000000034 method Methods 0.000 abstract description 2
230000008602 contraction Effects 0.000 abstract 1
239000007789 gas Substances 0.000 description 7
235000012431 wafers Nutrition 0.000 description 7
239000010453 quartz Substances 0.000 description 6
VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 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
239000000203 mixture Substances 0.000 description 2
241000812633 Varicus Species 0.000 description 1
230000035559 beat frequency Effects 0.000 description 1
238000010586 diagram Methods 0.000 description 1
230000005284 excitation Effects 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
230000005855 radiation Effects 0.000 description 1
108700001054 rat Hhex Proteins 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)

CA000457634A 1976-11-08 1984-06-27 Gyroscope a laser avec miroirs oscillants a commande de phase Expired CA1180795B (fr)

Applications Claiming Priority (2)

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

Publications (1)

Publication Number	Publication Date
CA1180795B true CA1180795B (fr)	1985-01-08

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 Before (1)

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

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
US4551021A (en) *	1982-03-01	1985-11-05	Honeywell Inc.	Discriminant apparatus for laser gyros
US4526469A (en) *	1982-03-01	1985-07-02	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
GB1536077A (en)	1978-12-20
DE2749157A1 (de)	1978-05-11
JPS5738194B2 (fr)	1982-08-13
IL52920A (en)	1979-09-30
FR2370262B1 (fr)	1980-05-16
CA1085031A (fr)	1980-09-02
FR2370262A1 (fr)	1978-06-02
DE2749157B2 (de)	1980-02-28
JPS5357793A (en)	1978-05-25
DE2749157C3 (de)	1980-10-16

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Legal Events

Date	Code	Title	Description
1985-01-08	NARE	Reissued
1997-09-02	MKEX	Expiry