CA1165429A - Dither pick-off transducer for ring laser gyroscope - Google Patents
Dither pick-off transducer for ring laser gyroscopeInfo
- Publication number
- CA1165429A CA1165429A CA000395690A CA395690A CA1165429A CA 1165429 A CA1165429 A CA 1165429A CA 000395690 A CA000395690 A CA 000395690A CA 395690 A CA395690 A CA 395690A CA 1165429 A CA1165429 A CA 1165429A
- Authority
- CA
- Canada
- Prior art keywords
- transducer
- inputs
- operational amplifier
- set forth
- spoke
- 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
- 239000000853 adhesive Substances 0.000 claims 1
- 230000001070 adhesive effect Effects 0.000 claims 1
- 239000004593 Epoxy Substances 0.000 description 8
- 210000002320 radius Anatomy 0.000 description 7
- BQCADISMDOOEFD-UHFFFAOYSA-N Silver Chemical compound [Ag] BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 229910052709 silver Inorganic materials 0.000 description 6
- 239000004332 silver Substances 0.000 description 6
- 239000003990 capacitor Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 239000013078 crystal Substances 0.000 description 2
- 238000005452 bending Methods 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005530 etching Methods 0.000 description 1
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 description 1
- 229910052737 gold Inorganic materials 0.000 description 1
- 239000010931 gold Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000035945 sensitivity 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)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/262,732 US4406965A (en) | 1981-05-12 | 1981-05-12 | Dither pick-off transducer for ring laser gyroscope |
| US262,732 | 1988-10-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1165429A true CA1165429A (en) | 1984-04-10 |
Family
ID=22998788
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA000395690A Expired CA1165429A (en) | 1981-05-12 | 1982-02-05 | Dither pick-off transducer for ring laser gyroscope |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4406965A (enExample) |
| JP (1) | JPS57187982A (enExample) |
| AU (1) | AU545920B2 (enExample) |
| CA (1) | CA1165429A (enExample) |
| DE (1) | DE3206786A1 (enExample) |
| FR (1) | FR2506008A1 (enExample) |
| GB (1) | GB2098404B (enExample) |
| IT (1) | IT1150919B (enExample) |
| NO (1) | NO157032C (enExample) |
| SE (1) | SE451760B (enExample) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4436423A (en) * | 1981-09-14 | 1984-03-13 | The Singer Company | Ring laser gyroscope suspension |
| JPH0422630Y2 (enExample) * | 1985-09-20 | 1992-05-25 | ||
| DE3604079A1 (de) * | 1986-02-08 | 1987-08-13 | Teldix Gmbh | Einrichtung zur erzeugung von drehschwingungen, insbesondere fuer ringlasergyroskope |
| US4742261A (en) * | 1986-12-10 | 1988-05-03 | Kaman Aerospace Corporation | Constant length strut |
| US5012174A (en) * | 1988-06-20 | 1991-04-30 | Sperry Marine Inc. | Method and apparatus for countering vibrations of a platform |
| FR2645263B1 (fr) * | 1989-03-30 | 1991-07-26 | Salaberry Bernard De | Capteur de position optique pour gyrometre a laser |
| US4988908A (en) * | 1989-05-31 | 1991-01-29 | Honeywell Inc. | Piezoelectric transducers for a ring laser gyroscope dither motor |
| GB2242779A (en) * | 1990-04-03 | 1991-10-09 | British Aerospace | Dither spring assembly for laser gyroscope. |
| EP0517259B1 (en) * | 1991-06-07 | 1996-05-15 | Akai Electric Co., Ltd. | Vibration control apparatus |
| US6498651B1 (en) * | 1999-02-19 | 2002-12-24 | Thomson-Csf Sextant | Device for detecting activation movement for laser gyroscope |
| JP2000337881A (ja) * | 1999-05-28 | 2000-12-08 | Alps Electric Co Ltd | ジャイロスコープの駆動検出装置 |
| US7058111B2 (en) * | 2001-05-24 | 2006-06-06 | Honeywell International Inc. | Arrangements for increasing sputter life in gas discharge tubes |
| US7375816B2 (en) * | 2005-09-29 | 2008-05-20 | Honeywell International Inc. | Dither motor having integrated drive and pickoff transducers |
| FR2958740B1 (fr) * | 2010-04-13 | 2012-03-30 | Thales Sa | Dispositif de traitement numerique de l'information issue d'un gyrolaser et gyrolaser associe. |
| US11852483B1 (en) | 2022-08-12 | 2023-12-26 | Honeywell International Inc. | Dither motor apparatus with pickoff embedded drives for ring laser gyroscope |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2558563A (en) * | 1948-10-29 | 1951-06-26 | Gen Electric | Piezoelectric strain gauge |
| US3043921A (en) * | 1958-10-13 | 1962-07-10 | Clairex Corp | Piezoelectric transducer for stereophonic phonograph pickup |
| US3153229A (en) * | 1963-05-13 | 1964-10-13 | Charles E Roberts | Digital actuator and direct digital transducer employing same |
| US3373650A (en) * | 1965-04-02 | 1968-03-19 | Honeywell Inc | Laser angular rate sensor |
| US3421109A (en) * | 1967-04-19 | 1969-01-07 | Euphonics Corp | Frequency selective amplifier and oscillator circuits employing piezoelectric elements to control frequency |
| US4113387A (en) * | 1977-02-14 | 1978-09-12 | Rockwell International Corporation | Dual mode laser optics control for ring laser gyro |
| US4099876A (en) * | 1977-03-14 | 1978-07-11 | Rockwell International Corporation | Phase-coded control for 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 |
| US4314174A (en) * | 1980-03-25 | 1982-02-02 | Litton Systems, Inc. | Piezoelectric transducer drive having temperature compensation |
-
1981
- 1981-05-12 US US06/262,732 patent/US4406965A/en not_active Expired - Lifetime
-
1982
- 1982-02-04 GB GB8203213A patent/GB2098404B/en not_active Expired
- 1982-02-05 CA CA000395690A patent/CA1165429A/en not_active Expired
- 1982-02-23 JP JP57026909A patent/JPS57187982A/ja active Pending
- 1982-02-25 DE DE19823206786 patent/DE3206786A1/de not_active Withdrawn
- 1982-04-30 NO NO821440A patent/NO157032C/no unknown
- 1982-04-30 FR FR8207511A patent/FR2506008A1/fr active Granted
- 1982-05-07 AU AU83505/82A patent/AU545920B2/en not_active Ceased
- 1982-05-10 SE SE8202924A patent/SE451760B/sv not_active IP Right Cessation
- 1982-05-12 IT IT21205/82A patent/IT1150919B/it active
Also Published As
| Publication number | Publication date |
|---|---|
| FR2506008B1 (enExample) | 1984-11-23 |
| FR2506008A1 (fr) | 1982-11-19 |
| NO157032C (no) | 1988-02-03 |
| GB2098404B (en) | 1984-11-28 |
| NO821440L (no) | 1982-11-15 |
| SE8202924L (sv) | 1982-11-13 |
| AU545920B2 (en) | 1985-08-08 |
| IT8221205A0 (it) | 1982-05-12 |
| JPS57187982A (en) | 1982-11-18 |
| NO157032B (no) | 1987-09-28 |
| IT1150919B (it) | 1986-12-17 |
| SE451760B (sv) | 1987-10-26 |
| US4406965A (en) | 1983-09-27 |
| AU8350582A (en) | 1982-11-18 |
| GB2098404A (en) | 1982-11-17 |
| DE3206786A1 (de) | 1982-12-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MKEX | Expiry |