GB8431194D0 - Piezoelectric transducer - Google Patents

Piezoelectric transducer

Info

Publication number
GB8431194D0
GB8431194D0 GB848431194A GB8431194A GB8431194D0 GB 8431194 D0 GB8431194 D0 GB 8431194D0 GB 848431194 A GB848431194 A GB 848431194A GB 8431194 A GB8431194 A GB 8431194A GB 8431194 D0 GB8431194 D0 GB 8431194D0
Authority
GB
United Kingdom
Prior art keywords
piezoelectric transducer
piezoelectric
transducer
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Withdrawn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
GB848431194A
Other versions
GB2149570A (en
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.)
Filing date
Publication date
Application filed by Litton Systems Inc filed Critical Litton Systems Inc
Publication of GB8431194D0 publication Critical patent/GB8431194D0/en
Publication of GB2149570A publication Critical patent/GB2149570A/en
Withdrawn legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01S—DEVICES USING THE PROCESS OF LIGHT AMPLIFICATION BY STIMULATED EMISSION OF RADIATION [LASER] TO AMPLIFY OR GENERATE LIGHT; DEVICES USING STIMULATED EMISSION OF ELECTROMAGNETIC RADIATION IN WAVE RANGES OTHER THAN OPTICAL
    • H01S3/00—Lasers, i.e. devices using stimulated emission of electromagnetic radiation in the infrared, visible or ultraviolet wave range
    • H01S3/05—Construction or shape of optical resonators; Accommodation of active medium therein; Shape of active medium
    • H01S3/08—Construction or shape of optical resonators or components thereof
    • H01S3/086—One or more reflectors having variable properties or positions for initial adjustment of the resonator
    • 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
    • G01C19/661—Ring laser gyrometers details
    • G01C19/665—Ring laser gyrometers details control of the cavity
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • 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
GB08431194A 1981-07-24 1984-12-11 Piezoelectric transducer Withdrawn GB2149570A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US28641481A 1981-07-24 1981-07-24

Publications (2)

Publication Number Publication Date
GB8431194D0 true GB8431194D0 (en) 1985-01-23
GB2149570A GB2149570A (en) 1985-06-12

Family

ID=23098501

Family Applications (2)

Application Number Title Priority Date Filing Date
GB08220717A Expired GB2104283B (en) 1981-07-24 1982-07-16 Piezoelectric transducer
GB08431194A Withdrawn GB2149570A (en) 1981-07-24 1984-12-11 Piezoelectric transducer

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB08220717A Expired GB2104283B (en) 1981-07-24 1982-07-16 Piezoelectric transducer

Country Status (7)

Country Link
JP (1) JPS5827387A (en)
CA (1) CA1210842A (en)
DE (1) DE3227451A1 (en)
FR (1) FR2510336B1 (en)
GB (2) GB2104283B (en)
IL (1) IL66379A (en)
IT (1) IT1148381B (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3218528C2 (en) * 1982-05-17 1984-11-08 Honeywell Gmbh, 6050 Offenbach Parallel displacement device
WO1986001887A1 (en) * 1984-09-14 1986-03-27 Honeywell Inc. Stable path length control elements
JPS61292078A (en) * 1985-05-31 1986-12-22 Tech Res & Dev Inst Of Japan Def Agency Structure of searching radar and tracking device
US4969726A (en) * 1985-06-03 1990-11-13 Northrop Corporation Ring laser gyro path-length-control mechanism
FR2628201B1 (en) * 1988-03-04 1990-07-13 Sfena PIEZOELECTRIC MIRROR FOR LASER GYROMETER
FR2630551B1 (en) * 1988-04-21 1993-06-04 Salaberry Bernard De COMPENSATED PIEZOELECTRIC MIRROR FOR LASER GYROMETER
DE3934968A1 (en) * 1988-12-23 1990-07-05 Teldix Gmbh Piezo-drive for axial movement or for mirrors in laser gyroscope - has layers of piezoelectric material or of metal which are glued together at constant distance
DE3935891A1 (en) * 1988-12-23 1990-07-19 Teldix Gmbh Laser gyro mirror positioner with two piezoelectrical devices - ensures purely axial movement under pressure from leaf spring with decoupling from radial tilt-provoking efforts
JP2669916B2 (en) * 1990-02-02 1997-10-29 キヤノン株式会社 Vibration wave motor
JP6155460B2 (en) 2013-06-06 2017-07-05 新シコー科技株式会社 Drive member, linear drive device, camera device, and electronic device

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1105114A (en) * 1964-04-13 1968-03-06 Kokusai Electric Co Ltd Electromechanical resonators and electric circuit devices utilizing the same
US4106065A (en) * 1976-03-19 1978-08-08 Ampex Corporation Drive circuitry for controlling movable video head
US4193010A (en) * 1976-12-09 1980-03-11 Essex Transducers Corporation Sensor device using piezoelectric coating subjected to bending

Also Published As

Publication number Publication date
GB2104283B (en) 1986-02-05
DE3227451A1 (en) 1983-02-24
FR2510336B1 (en) 1986-10-24
IT8248865A0 (en) 1982-07-22
CA1210842A (en) 1986-09-02
JPS5827387A (en) 1983-02-18
IL66379A0 (en) 1982-11-30
FR2510336A1 (en) 1983-01-28
GB2149570A (en) 1985-06-12
GB2104283A (en) 1983-03-02
IT1148381B (en) 1986-12-03
IL66379A (en) 1987-10-30

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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)