IT1041603B - Trasduttore ultrasonico direzionale con lobi secondari ridotti - Google Patents

Trasduttore ultrasonico direzionale con lobi secondari ridotti

Info

Publication number
IT1041603B
IT1041603B IT69128/75A IT6912875A IT1041603B IT 1041603 B IT1041603 B IT 1041603B IT 69128/75 A IT69128/75 A IT 69128/75A IT 6912875 A IT6912875 A IT 6912875A IT 1041603 B IT1041603 B IT 1041603B
Authority
IT
Italy
Prior art keywords
ultrasonic transducer
secondary lobes
reduced secondary
directional ultrasonic
directional
Prior art date
Application number
IT69128/75A
Other languages
English (en)
Original Assignee
Fiat Spa
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 Fiat Spa filed Critical Fiat Spa
Application granted granted Critical
Publication of IT1041603B publication Critical patent/IT1041603B/it

Links

Classifications

    • 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
    • G10K11/02—Mechanical acoustic impedances; Impedance matching, e.g. by horns; Acoustic resonators
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B06—GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
    • B06B—METHODS OR APPARATUS FOR GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS OF INFRASONIC, SONIC, OR ULTRASONIC FREQUENCY, e.g. FOR PERFORMING MECHANICAL WORK IN GENERAL
    • B06B1/00—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency
    • B06B1/02—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy
    • B06B1/06—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction
    • B06B1/0644—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element
    • B06B1/0662—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface
    • B06B1/0681—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with piezoelectric effect or with electrostriction using a single piezoelectric element with an electrode on the sensitive surface and a damping structure
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
    • G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
    • G01F1/66—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by measuring frequency, phase shift or propagation time of electromagnetic or other waves, e.g. using ultrasonic flowmeters
    • G01F1/662—Constructional details

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Mechanical Engineering (AREA)
  • Electromagnetism (AREA)
  • Fluid Mechanics (AREA)
  • General Physics & Mathematics (AREA)
  • Transducers For Ultrasonic Waves (AREA)
IT69128/75A 1974-08-26 1975-08-25 Trasduttore ultrasonico direzionale con lobi secondari ridotti IT1041603B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US500391A US3928777A (en) 1974-08-26 1974-08-26 Directional ultrasonic transducer with reduced secondary lobes

Publications (1)

Publication Number Publication Date
IT1041603B true IT1041603B (it) 1980-01-10

Family

ID=23989215

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69128/75A IT1041603B (it) 1974-08-26 1975-08-25 Trasduttore ultrasonico direzionale con lobi secondari ridotti

Country Status (3)

Country Link
US (1) US3928777A (it)
FR (1) FR2283615A1 (it)
IT (1) IT1041603B (it)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4054808A (en) * 1974-08-19 1977-10-18 Matsushita Electric Industrial Co., Ltd. Vibration detecting device having a piezoelectric ceramic plate and a method for adapting the same for use in musical instruments
US4191904A (en) * 1978-09-28 1980-03-04 Fred M. Dellorfano, Jr. Electroacoustic transducers of the flexural resonant vibratile type
JPS599000B2 (ja) * 1979-02-13 1984-02-28 東レ株式会社 超音波トランスデユ−サ
GB2079098A (en) * 1980-06-23 1982-01-13 Space Age Electronics Ltd Transducers
US4594897A (en) * 1984-01-27 1986-06-17 Bethlehem Steel Corporation Inspection of the internal portion of objects using ultrasonics
US4556814A (en) * 1984-02-21 1985-12-03 Ngk Spark Plug Co., Ltd. Piezoelectric ultrasonic transducer with porous plastic housing
US4713799A (en) * 1984-10-15 1987-12-15 Deere & Company Ultrasonic horn with sidelobe suppressing centerpiece
JPH0453586Y2 (it) * 1986-02-21 1992-12-16
US4976150A (en) * 1986-12-30 1990-12-11 Bethlehem Steel Corporation Ultrasonic transducers
DE58906785D1 (de) * 1989-10-30 1994-03-03 Siemens Ag Ultraschall-Schichtwandler mit astigmatischer Schallkeule.
DE59100463D1 (de) * 1991-02-07 1993-11-11 Siemens Ag Verfahren zur Herstellung von Ultraschallwandlern.
GB9126082D0 (en) * 1991-12-06 1992-02-05 Nat Res Dev Acoustic non-destructive testing
DE19527018C1 (de) * 1995-07-24 1997-02-20 Siemens Ag Ultraschallwandler
WO1997008761A1 (en) * 1995-08-28 1997-03-06 Accuweb, Inc. Ultrasonic transducer units for web edge detection
US6268683B1 (en) 1999-02-26 2001-07-31 M&Fc Holding Company Transducer configurations and related method
DE202004002107U1 (de) * 2004-02-11 2005-03-31 Siemens Ag Ultraschallwandler
US7415881B2 (en) * 2004-08-19 2008-08-26 Fife Corporation Ultrasonic sensor system for web-guiding apparatus
US8085621B2 (en) * 2008-07-24 2011-12-27 Massa Products Corporation Ultrasonic transducer with improved method of beam angle control
US8320218B2 (en) * 2008-07-24 2012-11-27 Massa Products Corporation Hidden ultrasonic transducer with beam angle control for non-contact target detection systems
DE202008012795U1 (de) 2008-09-25 2009-11-19 Siemens Aktiengesellschaft Ultraschallwandler mit Elastomer-Anpassschicht
WO2011090484A1 (en) * 2010-01-22 2011-07-28 Massa Products Corporation Hidden ultrasonic transducer
US9415963B2 (en) 2013-01-30 2016-08-16 Fife Corporation Sensor controller for interpreting natural interaction sensor for web handling
EP3416309A1 (en) * 2017-05-30 2018-12-19 Northeastern University Underwater ultrasonic communication system and method
CN110907010B (zh) * 2019-12-16 2020-12-08 中国人民解放军国防科技大学 基于流激共振的贮箱内推进剂剩余量测量装置及测量方法

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2427348A (en) * 1941-08-19 1947-09-16 Bell Telephone Labor Inc Piezoelectric vibrator
US2430013A (en) * 1942-06-10 1947-11-04 Rca Corp Impedance matching means for mechanical waves
US3513439A (en) * 1968-12-23 1970-05-19 Parke Davis & Co Ultrasonic beam transducer
US3710151A (en) * 1971-03-29 1973-01-09 Dynamics Corp Massa Div Electroacoustic transducer for use at high temperatures and pressures

Also Published As

Publication number Publication date
FR2283615A1 (fr) 1976-03-26
US3928777A (en) 1975-12-23
FR2283615B1 (it) 1981-02-06

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