FR2479632B1 - - Google Patents
Info
- Publication number
- FR2479632B1 FR2479632B1 FR8105833A FR8105833A FR2479632B1 FR 2479632 B1 FR2479632 B1 FR 2479632B1 FR 8105833 A FR8105833 A FR 8105833A FR 8105833 A FR8105833 A FR 8105833A FR 2479632 B1 FR2479632 B1 FR 2479632B1
- Authority
- FR
- France
- 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
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
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N—ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10N30/00—Piezoelectric or electrostrictive devices
- H10N30/80—Constructional details
- H10N30/802—Circuitry or processes for operating piezoelectric or electrostrictive devices not otherwise provided for, e.g. drive circuits
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Radar, Positioning & Navigation (AREA)
- Electromagnetism (AREA)
- Power Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Remote Sensing (AREA)
- Gyroscopes (AREA)
- Indication And Recording Devices For Special Purposes And Tariff Metering Devices (AREA)
- Transmission And Conversion Of Sensor Element Output (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Circuit For Audible Band Transducer (AREA)
- Lasers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/133,730 US4314174A (en) | 1980-03-25 | 1980-03-25 | Piezoelectric transducer drive having temperature compensation |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2479632A1 FR2479632A1 (fr) | 1981-10-02 |
FR2479632B1 true FR2479632B1 (fr) | 1984-12-21 |
Family
ID=22460050
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR8105833A Granted FR2479632A1 (fr) | 1980-03-25 | 1981-03-24 | Commande a transducteurs piezoelectriques a compensation thermique |
Country Status (6)
Country | Link |
---|---|
US (1) | US4314174A (fr) |
JP (1) | JPS56153210A (fr) |
CA (1) | CA1146664A (fr) |
DE (1) | DE3109789C2 (fr) |
FR (1) | FR2479632A1 (fr) |
GB (1) | GB2072889B (fr) |
Families Citing this family (34)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4406965A (en) * | 1981-05-12 | 1983-09-27 | The Singer Company | Dither pick-off transducer for ring laser gyroscope |
US4436423A (en) * | 1981-09-14 | 1984-03-13 | The Singer Company | Ring laser gyroscope suspension |
GB2111297B (en) * | 1981-10-28 | 1985-06-12 | British Aerospace | Oscillatory drive mechanisms |
AT379269B (de) * | 1982-05-13 | 1985-12-10 | Philips Nv | Schaltungsanordnung zur erzeugung einer steuerspannung fuer ein piezoelektrisches element einer positionierungseinrichtung |
US4451710A (en) * | 1982-09-01 | 1984-05-29 | Gte Atea Nv | Precisely stabilized piezoelectric receiver |
US4597667A (en) * | 1982-12-09 | 1986-07-01 | Litton Systems, Inc. | Dither controller for ring laser angular rotation sensor |
ZA842534B (en) * | 1983-04-18 | 1984-11-28 | Sundstrand Optical Tech | Low q body dithered laser gyro assembly |
DE3333306A1 (de) * | 1983-09-15 | 1985-04-04 | Bodenseewerk Gerätetechnik GmbH, 7770 Überlingen | Zitterfeder fuer ringlasergyroskope |
JPS60175474A (ja) * | 1984-02-20 | 1985-09-09 | Tokyo Keiki Co Ltd | デイザ−機構 |
US4755057A (en) * | 1984-10-02 | 1988-07-05 | Litton Systems, Inc. | Path length control method for ring laser gyroscope |
US4751718A (en) * | 1985-05-10 | 1988-06-14 | Honeywell Inc. | Dither suspension mechanism for a ring laser angular rate sensor |
US4783169A (en) * | 1985-08-09 | 1988-11-08 | Litton Systems, Inc. | Control of a ring laser gyro cavity according to a preselected model |
US4786173A (en) * | 1985-11-21 | 1988-11-22 | United Technologies Corporation | Method and apparatus for phase modulating a fiber-optic rotation sensor |
DE3604079A1 (de) * | 1986-02-08 | 1987-08-13 | Teldix Gmbh | Einrichtung zur erzeugung von drehschwingungen, insbesondere fuer ringlasergyroskope |
US4790657A (en) * | 1986-03-18 | 1988-12-13 | Litton Systems, Inc. | Ring laser gyroscope curved blade flexure and support ring assembly and method |
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 |
JPH0667224B2 (ja) * | 1987-01-08 | 1994-08-24 | 松下電器産業株式会社 | 超音波モ−タの駆動装置 |
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 |
DE3805631A1 (de) * | 1988-02-24 | 1989-09-07 | Teldix Gmbh | Drehschwingungsantrieb |
DE3809284A1 (de) * | 1988-03-19 | 1989-09-28 | Diehl Gmbh & Co | Steuerschaltung fuer ein piezo-stellglied |
US4847855A (en) * | 1988-03-31 | 1989-07-11 | Honeywell Inc. | Thermally neutral dither motor design |
US4856901A (en) * | 1988-05-04 | 1989-08-15 | Kearfott Guidance & Navigation Corporation | Velocity control system using piezoelectric transducers |
JPH01283888A (ja) * | 1988-05-10 | 1989-11-15 | Brother Ind Ltd | 圧電アクチュエータ塔載機器の運転方法 |
US5051646A (en) * | 1989-04-28 | 1991-09-24 | Digital Instruments, Inc. | Method of driving a piezoelectric scanner linearly with time |
US4981359A (en) * | 1989-06-19 | 1991-01-01 | Litton Systems, Inc. | Ring laser gyroscope dither drive system and method |
JPH04315484A (ja) * | 1991-04-15 | 1992-11-06 | Nec Corp | 圧電アクチュエータの駆動方法 |
US5185547A (en) * | 1992-01-31 | 1993-02-09 | Westinghouse Electric Corp. | Dynamo-electric machine stator core construction |
US5570304A (en) * | 1994-07-27 | 1996-10-29 | Litton Systems, Inc. | Method for thermal modeling and updating of bias errors in inertial navigation instrument outputs |
US5950995A (en) * | 1997-12-04 | 1999-09-14 | Honeywell Inc. | Ring laser gyroscope dither motor structure |
US5867270A (en) * | 1997-12-04 | 1999-02-02 | Honeywell Inc. | Mechanism and method for mounting piezoelectric transducers |
US6700314B2 (en) * | 2001-06-07 | 2004-03-02 | Purdue Research Foundation | Piezoelectric transducer |
CN103674003B (zh) * | 2012-09-07 | 2016-06-01 | 中国航空工业第六一八研究所 | 一种电磁驱动式激光陀螺抖动机构 |
US11422152B2 (en) | 2019-12-10 | 2022-08-23 | Honeywell International Inc. | Stress relieving sensor flange |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB770200A (en) * | 1953-07-24 | 1957-03-20 | Rca Corp | Temperature controlled semi-conductor bias circuit |
US3714475A (en) * | 1966-07-15 | 1973-01-30 | H Eng Corp | Resonator having counter rotating rigid parts |
US3555453A (en) * | 1968-05-09 | 1971-01-12 | Lansing Research Corp | Stabilization of lasers or the like |
US3657667A (en) * | 1969-04-23 | 1972-04-18 | Citizen Watch Co Ltd | Oscillator with three-arm mechanical vibrator connected to suppress spurious vibrations |
US4115004A (en) * | 1976-11-15 | 1978-09-19 | Litton Systems, Inc. | Counterbalanced oscillating ring laser gyro |
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 |
US4160184A (en) * | 1978-01-09 | 1979-07-03 | The Singer Company | Piezoelectric actuator for a ring laser |
FR2426886A1 (fr) * | 1978-05-22 | 1979-12-21 | Litton Systems Inc | Gyroscope a laser |
-
1980
- 1980-03-25 US US06/133,730 patent/US4314174A/en not_active Expired - Lifetime
-
1981
- 1981-02-16 CA CA000370978A patent/CA1146664A/fr not_active Expired
- 1981-03-13 DE DE3109789A patent/DE3109789C2/de not_active Expired
- 1981-03-24 FR FR8105833A patent/FR2479632A1/fr active Granted
- 1981-03-25 GB GB8109289A patent/GB2072889B/en not_active Expired
- 1981-03-25 JP JP4261381A patent/JPS56153210A/ja active Pending
Also Published As
Publication number | Publication date |
---|---|
GB2072889B (en) | 1983-11-23 |
FR2479632A1 (fr) | 1981-10-02 |
DE3109789A1 (de) | 1982-01-28 |
JPS56153210A (en) | 1981-11-27 |
DE3109789C2 (de) | 1985-12-12 |
GB2072889A (en) | 1981-10-07 |
US4314174A (en) | 1982-02-02 |
CA1146664A (fr) | 1983-05-17 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |