GB2171246A - Body dithered laser gyro assembly - Google Patents

Body dithered laser gyro assembly

Info

Publication number
GB2171246A
GB2171246A GB08603598A GB8603598A GB2171246A GB 2171246 A GB2171246 A GB 2171246A GB 08603598 A GB08603598 A GB 08603598A GB 8603598 A GB8603598 A GB 8603598A GB 2171246 A GB2171246 A GB 2171246A
Authority
GB
United Kingdom
Prior art keywords
laser gyro
coupling means
base
diaphragm
gyro assembly
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.)
Withdrawn
Application number
GB08603598A
Other versions
GB8603598D0 (en
Inventor
Gordon S Kirkpatrick
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.)
Sundstrand Data Control Inc
Original Assignee
Sundstrand Data Control 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.)
Filing date
Publication date
Application filed by Sundstrand Data Control Inc filed Critical Sundstrand Data Control Inc
Publication of GB8603598D0 publication Critical patent/GB8603598D0/en
Publication of GB2171246A publication Critical patent/GB2171246A/en
Withdrawn legal-status Critical Current

Links

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)

Abstract

A body dithered laser gyro assembly adapted so that the natural frequency of the assembly can readily be predicted and adjusted. In one embodiment, the laser gyro assembly comprises a base (10), resilient support means (12) mounted to the base, coupling means (30, 40, 50) mounted to the support means, a laser gyro (20) mounted to the coupling means, and drive means (70) connected to the base and to the coupling means. The drive means imparts a dither motion to the coupling means, and the coupling means in turn couples such dither motion to the gyro. The coupling means can include a diaphragm (40) having inner (124) and outer (122) portions, the inner portion of the diaphragm being connected to the drive means, and the outer portion coupled to the laser gyro. The inner and outer diaphragm portions may be connected by a plurality of beams (126) through which the dither motion is coupled.
GB08603598A 1984-06-15 1985-06-07 Body dithered laser gyro assembly Withdrawn GB2171246A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US62085884A 1984-06-15 1984-06-15
PCT/US1985/001082 WO1986000130A1 (en) 1984-06-15 1985-06-07 Body dithered laser gyro assembly

Publications (2)

Publication Number Publication Date
GB8603598D0 GB8603598D0 (en) 1986-03-19
GB2171246A true GB2171246A (en) 1986-08-20

Family

ID=24487708

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08603598A Withdrawn GB2171246A (en) 1984-06-15 1985-06-07 Body dithered laser gyro assembly

Country Status (9)

Country Link
EP (1) EP0186700A1 (en)
JP (1) JPS61502353A (en)
AU (1) AU4603685A (en)
DE (1) DE3590265T1 (en)
GB (1) GB2171246A (en)
IT (1) IT1181685B (en)
NO (1) NO860549L (en)
WO (1) WO1986000130A1 (en)
ZA (1) ZA854142B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188188A (en) * 1986-03-18 1987-09-23 Litton Systems Inc Ring laser gyroscope dither flexure

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114636412B (en) * 2022-05-17 2022-08-12 湖南亿诺胜精密仪器有限公司 Mechanical shaking space three-axis laser gyro with electromagnetic shaking detection function and assembly method

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373650A (en) * 1965-04-02 1968-03-19 Honeywell Inc Laser angular rate sensor
US4115004A (en) * 1976-11-15 1978-09-19 Litton Systems, Inc. Counterbalanced oscillating ring laser gyro
US4309107A (en) * 1980-01-11 1982-01-05 Litton Systems, Inc. Laser gyro dither mechanism
US4321557A (en) * 1980-01-21 1982-03-23 Litton Systems, Inc. Laser gyro coupling system

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3373650A (en) * 1965-04-02 1968-03-19 Honeywell Inc Laser angular rate sensor
US4115004A (en) * 1976-11-15 1978-09-19 Litton Systems, Inc. Counterbalanced oscillating ring laser gyro
US4309107A (en) * 1980-01-11 1982-01-05 Litton Systems, Inc. Laser gyro dither mechanism
US4321557A (en) * 1980-01-21 1982-03-23 Litton Systems, Inc. Laser gyro coupling system

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2188188A (en) * 1986-03-18 1987-09-23 Litton Systems Inc Ring laser gyroscope dither flexure
GB2188188B (en) * 1986-03-18 1989-10-18 Litton Systems Inc Ring laser gyroscope curved blade flexure and support ring assembly and method

Also Published As

Publication number Publication date
IT8548214A0 (en) 1985-06-13
JPS61502353A (en) 1986-10-16
ZA854142B (en) 1986-01-29
NO860549L (en) 1986-02-14
DE3590265T1 (en) 1986-06-26
AU4603685A (en) 1986-01-10
GB8603598D0 (en) 1986-03-19
WO1986000130A1 (en) 1986-01-03
IT1181685B (en) 1987-09-30
EP0186700A1 (en) 1986-07-09

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Legal Events

Date Code Title Description
WAP Application withdrawn, taken to be withdrawn or refused ** after publication under section 16(1)