IT1179481B - Generatore di suono a bassa frequenza e vibratori magnetostrittivi in esso contenuti - Google Patents

Generatore di suono a bassa frequenza e vibratori magnetostrittivi in esso contenuti

Info

Publication number
IT1179481B
IT1179481B IT49080/84A IT4908084A IT1179481B IT 1179481 B IT1179481 B IT 1179481B IT 49080/84 A IT49080/84 A IT 49080/84A IT 4908084 A IT4908084 A IT 4908084A IT 1179481 B IT1179481 B IT 1179481B
Authority
IT
Italy
Prior art keywords
contained
low frequency
sound generator
frequency sound
magnetostrictive vibrators
Prior art date
Application number
IT49080/84A
Other languages
English (en)
Other versions
IT8449080A1 (it
IT8449080A0 (it
Inventor
John M Sewell
William F Werner
Original Assignee
Gould 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 Gould Inc filed Critical Gould Inc
Publication of IT8449080A0 publication Critical patent/IT8449080A0/it
Publication of IT8449080A1 publication Critical patent/IT8449080A1/it
Application granted granted Critical
Publication of IT1179481B publication Critical patent/IT1179481B/it

Links

Classifications

    • 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
    • B06B1/08—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction
    • B06B1/085—Methods or apparatus for generating mechanical vibrations of infrasonic, sonic, or ultrasonic frequency making use of electrical energy operating with magnetostriction using multiple elements, e.g. arrays

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Electrophonic Musical Instruments (AREA)
IT49080/84A 1983-10-31 1984-10-29 Generatore di suono a bassa frequenza e vibratori magnetostrittivi in esso contenuti IT1179481B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US54710983A 1983-10-31 1983-10-31

Publications (3)

Publication Number Publication Date
IT8449080A0 IT8449080A0 (it) 1984-10-29
IT8449080A1 IT8449080A1 (it) 1986-04-29
IT1179481B true IT1179481B (it) 1987-09-16

Family

ID=24183382

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49080/84A IT1179481B (it) 1983-10-31 1984-10-29 Generatore di suono a bassa frequenza e vibratori magnetostrittivi in esso contenuti

Country Status (7)

Country Link
US (1) US4907209A (it)
EP (1) EP0162849A4 (it)
JP (1) JPS61500293A (it)
AU (1) AU567252B2 (it)
CA (1) CA1242268A (it)
IT (1) IT1179481B (it)
WO (1) WO1985002084A1 (it)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4703464A (en) * 1985-05-10 1987-10-27 Raytheon Company Permanent magnet biased magnetostrictive transducer
SE8701138D0 (sv) * 1987-03-19 1987-03-19 Asea Ab Elektriskt styrt fjederelement
US5079460A (en) * 1991-01-10 1992-01-07 United States Of America As Represented By The Administrator, National Aeronautics & Space Administration Magnetostrictive roller drive motor
JP2560177B2 (ja) * 1992-07-22 1996-12-04 沖電気工業株式会社 希土類合金を用いた水中用低周波送波器
FR2725867A1 (fr) * 1994-10-13 1996-04-19 France Etat Source autonome acoustique pour la tomographie des oceans
US6110359A (en) * 1995-10-17 2000-08-29 Mobil Oil Corporation Method for extracting bitumen from tar sands
US7266379B2 (en) * 2001-05-30 2007-09-04 Palm, Inc. Resource location through location history
CN102157144B (zh) * 2011-03-29 2012-08-29 中国船舶重工集团公司第七一五研究所 一种双活塞辐射型稀土弯张换能器
CN109482455B (zh) * 2018-11-08 2019-12-06 北京航空航天大学 一种超磁致伸缩换能器连续可调预应力装置及方法

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE386667A (it) * 1931-03-18
US2468270A (en) * 1944-12-30 1949-04-26 Rca Corp Magnetostrictive transducer
NL156647B (nl) * 1950-08-22 B Van Leer N V Inrichting voor het afsluiten van de vulopening van een vat.
US3177382A (en) * 1961-01-25 1965-04-06 Charles E Green Mosaic construction for electroacoustical cylindrical transducers
US3160769A (en) * 1961-09-26 1964-12-08 Frank R Abbott Magnetostrictive transducer
US3263768A (en) * 1962-07-02 1966-08-02 Vector Cable Company Detachable mount for magneto-strictive detector
US3382569A (en) * 1963-09-03 1968-05-14 Navy Usa Segmented ferrite sonar transducer with permanent magnet bias
US3484630A (en) * 1967-12-11 1969-12-16 Doall Co Ultrasonic magnetostrictive transducer element
US3906435A (en) * 1971-02-08 1975-09-16 American Petroscience Corp Oil well telemetering system with torsional transducer
JPS5171087A (ja) * 1974-12-17 1976-06-19 Mitsubishi Metal Corp Choonpafueraitoshindoshi
US4158964A (en) * 1978-05-10 1979-06-26 The Foxboro Company Method and apparatus for determining liquid level
US4308603A (en) * 1979-11-16 1981-12-29 The United States Of America As Represented By The Secretary Of The Navy Ferrofluid transducer
US4438509A (en) * 1981-05-18 1984-03-20 Raytheon Company Transducer with tensioned-wire precompression
US4541081A (en) * 1982-02-25 1985-09-10 Dresser Industries, Inc. Electroacoustic transducer
US4685091A (en) * 1984-05-10 1987-08-04 Exxon Production Research Co. Method and apparatus for acoustic well logging

Also Published As

Publication number Publication date
AU3064284A (en) 1985-05-22
CA1242268A (en) 1988-09-20
JPS61500293A (ja) 1986-02-20
WO1985002084A1 (en) 1985-05-09
AU567252B2 (en) 1987-11-12
US4907209A (en) 1990-03-06
IT8449080A1 (it) 1986-04-29
EP0162849A4 (en) 1988-01-07
IT8449080A0 (it) 1984-10-29
EP0162849A1 (en) 1985-12-04

Similar Documents

Publication Publication Date Title
GB2219088B (en) Vibrating transducers
KR860005331A (ko) 표면 음파 장치 및 그 형성 방법
FI940014L (fi) IIDT-tyyppinen pintaääniaaltolaite
EP0375360A3 (en) Higher order transverse mode suppression in surface acoustic wave resonators
EP0353073A3 (en) Acoustic surface wave devices
DE69029080D1 (de) Akustische Oberflächenwellenanordnung
IT1198577B (it) Procedimento e dispositivo per ottenere un'ampiezza ottimale di vibrazione in rulli vibratori di costipazione del terreno
NO850250L (no) Anordning til aa frembringe akustiske boelger i en broenn eller et hulrom
GB2152315B (en) Surface acoustic wave device
DE69426789D1 (de) Akustische Oberflächenwellenanordnung und Herstellungsverfahren dafür
DE69028003D1 (de) Akustische Oberflächenwellenanordnung
FR2635247B1 (fr) Transducteur piezoelectrique pour generer des ondes de volume
EP0124442A3 (en) Method and device for acoustic holographyx using an altrasonic beam limited in space
IT1235727B (it) Procedimenti e trasduttori elettroacustici per emettere delle onde acustiche a bassa frequenza in un liquido
IT1179481B (it) Generatore di suono a bassa frequenza e vibratori magnetostrittivi in esso contenuti
NO940609D0 (no) Forbedret sveipfrekvensvibrator
GB2145893B (en) Surface acoustic wave device
EP0146077A3 (en) Acoustic surface wave resonator device
GB8328965D0 (en) Surface acoustic wave device
FI903040A7 (fi) Laite ääniaaltojen muodostamiseksi nestemäisessä aineessa
NO941961D0 (no) Spenningsstyrt overflateakustisk bölgeoscillator
EP0135957A3 (en) Acoustic surface wave device
AU8294987A (en) An improved device for generating in the ground both transverse and longitudinal acoustic waves in a plurality of different directions
GB2218292B (en) Surface acoustic wave device
EP0363495A4 (en) Surface acoustic wave device