IT1031931B - Trasduttore a onde acustiche suberficiali - Google Patents

Trasduttore a onde acustiche suberficiali

Info

Publication number
IT1031931B
IT1031931B IT20501/75A IT2050175A IT1031931B IT 1031931 B IT1031931 B IT 1031931B IT 20501/75 A IT20501/75 A IT 20501/75A IT 2050175 A IT2050175 A IT 2050175A IT 1031931 B IT1031931 B IT 1031931B
Authority
IT
Italy
Prior art keywords
suberficial
acoustic waves
waves transducer
transducer
acoustic
Prior art date
Application number
IT20501/75A
Other languages
English (en)
Original Assignee
United Aircraft Corp
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 United Aircraft Corp filed Critical United Aircraft Corp
Priority to CH203676A priority Critical patent/CH623020A5/it
Priority to HU76SA2890A priority patent/HU175826B/hu
Application granted granted Critical
Publication of IT1031931B publication Critical patent/IT1031931B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
    • G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
    • G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
    • G01L9/0025—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element with acoustic surface waves
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10K—SOUND-PRODUCING DEVICES; METHODS OR DEVICES FOR PROTECTING AGAINST, OR FOR DAMPING, NOISE OR OTHER ACOUSTIC WAVES IN GENERAL; ACOUSTICS NOT OTHERWISE PROVIDED FOR
    • G10K11/00—Methods or devices for transmitting, conducting or directing sound in general; Methods or devices for protecting against, or for damping, noise or other acoustic waves in general
    • G10K11/36—Devices for manipulating acoustic surface waves
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/30—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator
    • H03B5/32—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator
    • H03B5/326—Generation of oscillations using amplifier with regenerative feedback from output to input with frequency-determining element being electromechanical resonator being a piezoelectric resonator the resonator being an acoustic wave device, e.g. SAW or BAW device
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03B—GENERATION OF OSCILLATIONS, DIRECTLY OR BY FREQUENCY-CHANGING, BY CIRCUITS EMPLOYING ACTIVE ELEMENTS WHICH OPERATE IN A NON-SWITCHING MANNER; GENERATION OF NOISE BY SUCH CIRCUITS
    • H03B5/00—Generation of oscillations using amplifier with regenerative feedback from output to input
    • H03B5/02—Details
    • H03B5/04—Modifications of generator to compensate for variations in physical values, e.g. power supply, load, temperature
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S73/00—Measuring and testing
    • Y10S73/04—Piezoelectric

Landscapes

  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
  • Length Measuring Devices Characterised By Use Of Acoustic Means (AREA)
  • Transmission And Conversion Of Sensor Element Output (AREA)
IT20501/75A 1974-02-25 1975-02-21 Trasduttore a onde acustiche suberficiali IT1031931B (it)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CH203676A CH623020A5 (en) 1975-02-21 1976-02-19 Process for separating phenols and/or oligosaccharides bound to vegetable protein or carbohydrate constituents
HU76SA2890A HU175826B (hu) 1975-02-21 1976-02-20 Sposob ehkstrakcii fenolov i oligosakharidov iz tkanej rastenij

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/445,193 US3978731A (en) 1974-02-25 1974-02-25 Surface acoustic wave transducer

Publications (1)

Publication Number Publication Date
IT1031931B true IT1031931B (it) 1979-05-10

Family

ID=23767943

Family Applications (1)

Application Number Title Priority Date Filing Date
IT20501/75A IT1031931B (it) 1974-02-25 1975-02-21 Trasduttore a onde acustiche suberficiali

Country Status (8)

Country Link
US (1) US3978731A (it)
JP (1) JPS626174B2 (it)
CA (1) CA1029122A (it)
DE (1) DE2505461C2 (it)
FR (1) FR2262288B1 (it)
GB (1) GB1486377A (it)
IT (1) IT1031931B (it)
SE (1) SE417870B (it)

Families Citing this family (79)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421894A (en) * 1977-07-20 1979-02-19 Nippon Soken Temperature measuring device
US4175243A (en) * 1977-11-17 1979-11-20 Corbett James P Temperature compensated oscillating crystal force transducer systems
DE2757577C3 (de) * 1977-12-23 1982-01-14 Gould Inc., Cleveland, Ohio Kraftmeßfühler mit einem einseitig eingespannten Körper mit piezoelektrischer Oberflächenwellenerzeugung
FR2443067A1 (fr) * 1978-11-30 1980-06-27 Thomson Csf Accelerometre a ondes elastiques de surface
US4216401A (en) * 1978-12-22 1980-08-05 United Technologies Corporation Surface acoustic wave (SAW) pressure sensor structure
US4454440A (en) * 1978-12-22 1984-06-12 United Technologies Corporation Surface acoustic wave (SAW) pressure sensor structure
FR2451026A1 (fr) * 1979-03-09 1980-10-03 Thomson Csf Capteur de pression a ondes elastiques de surface
FR2454616A1 (fr) * 1979-04-18 1980-11-14 Thomson Csf Capteur de pression a ondes elastiques de surface et systeme d'allumage pour moteur a combustion interne mettant en oeuvre ce capteur
US4265124A (en) * 1979-06-04 1981-05-05 Rockwell International Corporation Remote acoustic wave sensors
FR2467388A1 (fr) * 1979-10-12 1981-04-17 Thomson Csf Dispositif de mesure de debit d'un fluide et systeme senseur du debit d'air dans un moteur a combustion interne mettant en oeuvre un tel dispositif
US4747309A (en) * 1980-10-02 1988-05-31 Imperial Chemical Industries Plc Structures and methods of testing them with linear microphones
US4342971A (en) * 1980-12-30 1982-08-03 E-Systems, Inc. Continuously variable surface acoustic wave delay line
US4359498A (en) * 1981-04-20 1982-11-16 Kulite Semiconductor Products, Inc. Transducer structure employing vertically walled diaphragms with quasi rectangular active areas
GB2117115B (en) * 1982-03-23 1985-11-06 Standard Telephones Cables Ltd Surface acoustic wave accelerometer
US4512198A (en) * 1982-09-29 1985-04-23 Schlumberger Technology Corporation Surface acoustic wave sensors
US4586382A (en) * 1982-09-29 1986-05-06 Schlumberger Technology Corporation Surface acoustic wave sensors
US4566084A (en) * 1982-09-30 1986-01-21 The United States Of America As Represented By The United States Department Of Energy Acoustic velocity measurements in materials using a regenerative method
FR2546303B1 (fr) * 1983-05-20 1985-07-05 Thomson Csf Capteur de forces a ondes elastiques de surface
US4479070A (en) * 1983-06-10 1984-10-23 Sperry Corporation Vibrating quartz diaphragm pressure sensor
JPS60122303A (ja) * 1983-12-05 1985-06-29 Agency Of Ind Science & Technol 歪計
US4565096A (en) * 1983-12-09 1986-01-21 Rosemount Inc. Pressure transducer
CS267053B1 (en) * 1985-06-24 1990-02-12 Capek Jan Palpable sensing element for robot
DE4229487A1 (de) * 1992-09-03 1994-03-10 Bosch Gmbh Robert Verfahren und System zum Auswerten des Signals eines Drucksensors in einem Kraftfahrzeug
JPH0671364U (ja) * 1993-03-19 1994-10-07 サンワ車輌株式会社 運搬車
US5477156A (en) * 1993-10-21 1995-12-19 The Regents Of The University Of California Detonation wave detection probe including parallel electrodes on a flexible backing strip
DK79198A (da) * 1998-06-11 1999-12-12 Microtronic As Fremgangsmåde til fremstilling af en transducer med en membran med en forudbestemt opspændingskraft
US6370964B1 (en) * 1998-11-23 2002-04-16 The Board Of Trustees Of The Leland Stanford Junior University Diagnostic layer and methods for detecting structural integrity of composite and metallic materials
US6453757B1 (en) 1999-05-06 2002-09-24 M&Fc Holding Company Symmetrical ultrasound gas flow meter housing and related multi-configuration gas flow meter assembly
US6345683B1 (en) 2000-04-06 2002-02-12 Nortek Usa, Llc System and method for an improved device for measuring water levels
US6609430B1 (en) * 2000-05-09 2003-08-26 Shrinivas G. Joshi Low profile transducer for flow meters
US7330271B2 (en) * 2000-11-28 2008-02-12 Rosemount, Inc. Electromagnetic resonant sensor with dielectric body and variable gap cavity
US6523414B1 (en) * 2001-04-16 2003-02-25 Zevex, Inc. Optical pressure monitoring system
US6810750B1 (en) 2002-03-20 2004-11-02 Invocon, Inc. Encoded surface acoustic wave based strain sensor
GB0305461D0 (en) * 2003-03-10 2003-04-16 Transense Technologies Plc Improvements in the construction of saw devices
CN100335878C (zh) * 2002-06-08 2007-09-05 Lg伊诺特有限公司 使用狭缝声波的saw传感器装置及其方法
DE10343498A1 (de) * 2003-02-07 2005-05-04 Univ Leipzig Verfahren zur Feststellung wenigstens eines Zustandsparameters eines Dichtungssystems sowie Dichtungssystem
US20040159166A1 (en) * 2003-02-13 2004-08-19 Schiller Peter J. Solid-state piezoelectric motion transducer
US6907787B2 (en) * 2003-04-30 2005-06-21 Honeywell International Inc. Surface acoustic wave pressure sensor with microstructure sensing elements
US7100451B2 (en) * 2003-08-29 2006-09-05 Sawtek, Inc. Surface acoustic wave sensing system and method for measuring pressure and temperature
US6868731B1 (en) * 2003-11-20 2005-03-22 Honeywell International, Inc. Digital output MEMS pressure sensor and method
JP4099504B2 (ja) * 2003-11-27 2008-06-11 京セラ株式会社 圧力センサ装置
JP4511206B2 (ja) * 2004-01-29 2010-07-28 京セラ株式会社 圧力センサモジュール
JP4511208B2 (ja) * 2004-01-29 2010-07-28 京セラ株式会社 圧力センサモジュール
JP4511207B2 (ja) * 2004-01-29 2010-07-28 京セラ株式会社 圧力センサモジュール
JP4511216B2 (ja) * 2004-02-26 2010-07-28 京セラ株式会社 圧力センサモジュール
US7000298B2 (en) * 2004-04-20 2006-02-21 Honeywell International Inc. Method a quartz sensor
US7198981B2 (en) * 2004-10-21 2007-04-03 Honeywell International Inc. Vacuum sealed surface acoustic wave pressure sensor
JP2006268578A (ja) * 2005-03-24 2006-10-05 Fuji Xerox Co Ltd 情報提供システムおよび画像形成装置
US7140261B2 (en) * 2005-04-27 2006-11-28 Honeywell International Inc. Acoustic wave flow sensor
US20070051176A1 (en) * 2005-09-08 2007-03-08 Honeywell International Inc. Passive hybrid lc/SAW/BAW wireless sensor
EP1764597B1 (en) * 2005-09-16 2011-03-23 STMicroelectronics Srl Surface acoustic wave pressure sensor
JP4345984B2 (ja) * 2005-11-11 2009-10-14 Ｎｅｃトーキン株式会社 振動検知方法、振動検知システム、バッテリレス振動センサ及び質問器
TWI330461B (en) * 2006-01-12 2010-09-11 Ind Tech Res Inst Surface acoustic wave bio-chip
JP5138246B2 (ja) * 2006-03-21 2013-02-06 ラディ・メディカル・システムズ・アクチェボラーグ 圧力センサ
US8157527B2 (en) * 2008-07-03 2012-04-17 United Technologies Corporation Airfoil with tapered radial cooling passage
US8572844B2 (en) * 2008-08-29 2013-11-05 United Technologies Corporation Airfoil with leading edge cooling passage
US8303252B2 (en) * 2008-10-16 2012-11-06 United Technologies Corporation Airfoil with cooling passage providing variable heat transfer rate
GB2465577A (en) * 2008-11-21 2010-05-26 Vestas Wind Sys As Monitoring device for a wind turbine
US8109725B2 (en) 2008-12-15 2012-02-07 United Technologies Corporation Airfoil with wrapped leading edge cooling passage
US8317392B2 (en) * 2008-12-23 2012-11-27 Honeywell International Inc. Surface acoustic wave based micro-sensor apparatus and method for simultaneously monitoring multiple conditions
JP5310572B2 (ja) * 2010-01-13 2013-10-09 凸版印刷株式会社 圧力センサ
US8486020B2 (en) 2010-08-11 2013-07-16 Zevex, Inc. Pressure sensor and method of use
US7954387B1 (en) * 2010-08-18 2011-06-07 General Electric Company Ultrasonic transducer device
CA2812768C (en) 2010-10-01 2016-05-17 Zevex, Inc. Pressure monitoring system for infusion pumps
AU2011308700B2 (en) 2010-10-01 2015-04-02 Zevex, Inc. Pressure sensor seal and method of use
JP2012189333A (ja) * 2011-03-08 2012-10-04 Seiko Instruments Inc センサ
JP4853596B1 (ja) * 2011-03-15 2012-01-11 オムロン株式会社 酸化金属膜を備えたセンサおよびその利用
CN103926017A (zh) * 2013-01-14 2014-07-16 北京中讯四方科技股份有限公司 一种基于特殊石英材料的声表面波温度传感器
US9702772B2 (en) 2014-03-26 2017-07-11 Mnemonics, Inc. Surface acoustic wave (SAW) based strain sensor
CN106840056A (zh) * 2016-12-28 2017-06-13 电子科技大学 一种双声表面波应变传感器及其设计方法
CN110462558A (zh) * 2017-07-19 2019-11-15 深圳纽迪瑞科技开发有限公司 一种压力感应装置及压力感应设备
CN109427975B (zh) * 2017-08-23 2021-01-22 京东方科技集团股份有限公司 柔性基板及其制备方法、检测弯曲的方法以及柔性显示装置
EP3467457B1 (en) 2018-04-30 2022-07-20 Sonion Nederland B.V. Vibration sensor
BE1026684B1 (fr) * 2018-10-05 2020-05-07 Safran Aero Boosters Sa Pièce de machine d’aéronef intégrant au moins un capteur de pression
US11143561B2 (en) * 2018-12-05 2021-10-12 Resonant Inc. Passive microphone/pressure sensor using a piezoelectric diaphragm
US11835414B2 (en) 2018-12-05 2023-12-05 Murata Manufacturing Co., Ltd. Passive pressure sensor with a piezoelectric diaphragm and a non-piezoelectric substrate
CN110044538B (zh) * 2019-04-09 2020-10-09 重庆大学 一种液体作用下圆形薄膜最大应力的确定方法
CN111023957B (zh) * 2019-12-20 2021-05-28 北京航空航天大学 一种耐高温径向位移传感器装置
CN115023585A (zh) * 2020-08-06 2022-09-06 株式会社村田制作所 变形量检测装置

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2938386A (en) * 1957-04-08 1960-05-31 Bell Telephone Labor Inc Method and apparatus for measuring predetermined pressures
US3241373A (en) * 1961-04-17 1966-03-22 Magnavox Co Static safety and arming device
US3513430A (en) * 1968-06-19 1970-05-19 Tyco Laboratories Inc Semiconductor strain gage transducer and method of making same
US3587297A (en) * 1968-09-25 1971-06-28 Us Navy Apparatus for precise stress measurement
US3575050A (en) * 1968-12-04 1971-04-13 Panametrics Fluid flowmeter
US3582540A (en) * 1969-04-17 1971-06-01 Zenith Radio Corp Signal translating apparatus using surface wave acoustic device
US3580057A (en) * 1969-06-19 1971-05-25 Univ Utah Probe device usable in measuring stress
US3812709A (en) * 1972-02-09 1974-05-28 Thermo Electron Corp Stress gage
US3863497A (en) * 1972-10-24 1975-02-04 Sperry Rand Corp Acoustic delay surface wave motion transducers
US3848144A (en) * 1973-04-11 1974-11-12 Sperry Rand Corp Acoustic delay surface wave motion transducer systems

Also Published As

Publication number Publication date
AU7735175A (en) 1976-07-22
DE2505461C2 (de) 1987-03-26
JPS626174B2 (it) 1987-02-09
SE417870B (sv) 1981-04-13
FR2262288A1 (it) 1975-09-19
US3978731A (en) 1976-09-07
SE7501968L (it) 1975-08-26
FR2262288B1 (it) 1980-05-09
JPS50120673A (it) 1975-09-22
DE2505461A1 (de) 1975-08-28
GB1486377A (en) 1977-09-21
CA1029122A (en) 1978-04-04

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