CA2056586A1 - Entrainement de transducteur a modification du moment - Google Patents

Entrainement de transducteur a modification du moment

Info

Publication number
CA2056586A1
CA2056586A1 CA2056586A CA2056586A CA2056586A1 CA 2056586 A1 CA2056586 A1 CA 2056586A1 CA 2056586 A CA2056586 A CA 2056586A CA 2056586 A CA2056586 A CA 2056586A CA 2056586 A1 CA2056586 A1 CA 2056586A1
Authority
CA
Canada
Prior art keywords
driver
radiating
radiating member
moment
pivoting
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.)
Granted
Application number
CA2056586A
Other languages
English (en)
Other versions
CA2056586C (fr
Inventor
David Justa Erickson
Robert Thomas Winnicki
Louis Manuel Izzo
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.)
Lockheed Martin Corp
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of CA2056586A1 publication Critical patent/CA2056586A1/fr
Application granted granted Critical
Publication of CA2056586C publication Critical patent/CA2056586C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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
    • G10K9/00—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers
    • G10K9/12—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated
    • G10K9/121—Flextensional transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H04R17/04—Gramophone pick-ups using a stylus; Recorders using a stylus
    • H04R17/08—Gramophone pick-ups using a stylus; Recorders using a stylus signals being recorded or played back by vibration of a stylus in two orthogonal directions simultaneously

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CA002056586A 1990-12-24 1991-11-28 Entrainement de transducteur a modification du moment Expired - Fee Related CA2056586C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US63314290A 1990-12-24 1990-12-24
US633,142 1990-12-24

Publications (2)

Publication Number Publication Date
CA2056586A1 true CA2056586A1 (fr) 1992-06-25
CA2056586C CA2056586C (fr) 2000-03-28

Family

ID=24538442

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002056586A Expired - Fee Related CA2056586C (fr) 1990-12-24 1991-11-28 Entrainement de transducteur a modification du moment

Country Status (7)

Country Link
US (1) US5237543A (fr)
EP (1) EP0492882B1 (fr)
JP (1) JP3151263B2 (fr)
AU (1) AU645376B2 (fr)
CA (1) CA2056586C (fr)
DE (1) DE69129737T2 (fr)
ES (1) ES2117636T3 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5204844A (en) * 1990-12-24 1993-04-20 General Electric Company Moment bender transducer
NO176457C (no) * 1993-03-15 1995-04-05 Pgs Seres As Drivenhet for akustiske sendere
NO301354B1 (no) * 1994-11-02 1997-10-13 Petroleum Geo Services As Akustisk kildeanordning
AU5298296A (en) * 1995-02-17 1996-09-04 Bolt Beranek And Newman Inc. Underwater acoustic projector
US7081699B2 (en) * 2003-03-31 2006-07-25 The Penn State Research Foundation Thermoacoustic piezoelectric generator
JP2005045691A (ja) * 2003-07-24 2005-02-17 Taiyo Yuden Co Ltd 圧電振動装置
JP6778958B2 (ja) 2016-04-07 2020-11-04 マイクロファイン・マテリアルズ・テクノロジーズ・ピーティーイー・リミテッド 曲げ剛性の高い変位コネクタおよびそれからなる圧電アクチュエータ
US10744532B1 (en) * 2016-05-06 2020-08-18 Image Acoustics, Inc. End driven bender transduction apparatus
CN114925730A (zh) * 2022-06-01 2022-08-19 合肥工业大学 一种基于声辐射信号的滚动轴承非接触故障诊断方法及系统

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2906991A (en) * 1955-06-27 1959-09-29 Bendix Aviat Corp Transducer construction employin employing annular vibrators
US3154700A (en) * 1961-01-09 1964-10-27 Joseph T Mcnaney Piezoelectric transducer force to motion converter
US3274537A (en) * 1963-10-17 1966-09-20 William J Toulis Flexural-extensional electro-mechanical transducer
US3258738A (en) * 1963-11-20 1966-06-28 Honeywell Inc Underwater transducer apparatus
US3538494A (en) * 1968-11-26 1970-11-03 Hazeltine Research Inc Acoustic conversion apparatus
US3972018A (en) * 1972-08-10 1976-07-27 Sparton Corporation Electromechanical transducer
FR2425785A1 (fr) 1978-05-08 1979-12-07 France Etat Transducteurs piezo-electriques a amplification mecanique pour tres basses frequences et antennes acoustiques
US4420826A (en) * 1981-07-06 1983-12-13 Sanders Associates, Inc. Stress relief for flextensional transducer
EP0215657B1 (fr) * 1985-09-12 1990-03-21 British Aerospace Public Limited Company Transducteurs pour sonar
US4764907A (en) * 1986-04-30 1988-08-16 Allied Corporation Underwater transducer
US4742499A (en) * 1986-06-13 1988-05-03 Image Acoustics, Inc. Flextensional transducer
US4754441A (en) * 1986-12-12 1988-06-28 Image Acoustics, Inc. Directional flextensional transducer
US4972390A (en) * 1989-04-03 1990-11-20 General Instrument Corp. Stack driven flexural disc transducer

Also Published As

Publication number Publication date
EP0492882A3 (en) 1993-08-25
AU645376B2 (en) 1994-01-13
AU8881791A (en) 1992-06-25
DE69129737T2 (de) 1999-03-25
EP0492882A2 (fr) 1992-07-01
EP0492882B1 (fr) 1998-07-08
DE69129737D1 (de) 1998-08-13
JPH04334296A (ja) 1992-11-20
CA2056586C (fr) 2000-03-28
ES2117636T3 (es) 1998-08-16
JP3151263B2 (ja) 2001-04-03
US5237543A (en) 1993-08-17

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed