AU2002243224A1 - Large aperture vibration and acoustic sensor - Google Patents

Large aperture vibration and acoustic sensor

Info

Publication number
AU2002243224A1
AU2002243224A1 AU2002243224A AU4322402A AU2002243224A1 AU 2002243224 A1 AU2002243224 A1 AU 2002243224A1 AU 2002243224 A AU2002243224 A AU 2002243224A AU 4322402 A AU4322402 A AU 4322402A AU 2002243224 A1 AU2002243224 A1 AU 2002243224A1
Authority
AU
Australia
Prior art keywords
acoustic sensor
large aperture
vibration
aperture vibration
acoustic
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.)
Abandoned
Application number
AU2002243224A
Inventor
Dimitri Donskoy
Keith Sheppard
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.)
Stevens Institute of Technology
Original Assignee
Stevens Institute of Technology
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 Stevens Institute of Technology filed Critical Stevens Institute of Technology
Publication of AU2002243224A1 publication Critical patent/AU2002243224A1/en
Abandoned 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
    • 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
    • G10K11/18—Methods or devices for transmitting, conducting or directing sound
    • G10K11/26—Sound-focusing or directing, e.g. scanning
    • G10K11/34—Sound-focusing or directing, e.g. scanning using electrical steering of transducer arrays, e.g. beam steering
    • 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
    • B06B1/0292—Electrostatic transducers, e.g. electret-type
    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • 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
    • B06B1/0688—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 with foil-type piezoelectric elements, e.g. PVDF
    • B06B1/0696—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 with foil-type piezoelectric elements, e.g. PVDF with a plurality of electrodes on both sides
AU2002243224A 2000-11-16 2001-11-16 Large aperture vibration and acoustic sensor Abandoned AU2002243224A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US24934500P 2000-11-16 2000-11-16
US60/249,345 2000-11-16
PCT/US2001/043682 WO2002048659A2 (en) 2000-11-16 2001-11-16 Large aperture vibration and acoustic sensor

Publications (1)

Publication Number Publication Date
AU2002243224A1 true AU2002243224A1 (en) 2002-06-24

Family

ID=22943070

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002243224A Abandoned AU2002243224A1 (en) 2000-11-16 2001-11-16 Large aperture vibration and acoustic sensor

Country Status (3)

Country Link
US (1) US20020080684A1 (en)
AU (1) AU2002243224A1 (en)
WO (1) WO2002048659A2 (en)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7362035B2 (en) * 2005-09-22 2008-04-22 The Penn State Research Foundation Polymer bulk acoustic resonator
DE112008001734A5 (en) * 2007-05-04 2010-04-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Ultrasonic transducer array for applications in gaseous media
CN101946295B (en) * 2008-02-22 2012-11-28 旭硝子株式会社 Electret and electrostatic induction conversion device
CN101977763A (en) 2008-03-27 2011-02-16 旭硝子株式会社 Electret and electrostatic induction conversion device
KR101467017B1 (en) * 2008-03-31 2014-12-01 아사히 가라스 가부시키가이샤 Acceleration sensor device and sensor network system
JP5381979B2 (en) * 2008-04-17 2014-01-08 旭硝子株式会社 Electret, method for manufacturing the same, and electrostatic induction conversion element
JP5527211B2 (en) * 2008-09-19 2014-06-18 旭硝子株式会社 Electret, electrostatic induction conversion element, and method for manufacturing electret
TWI465118B (en) * 2009-10-22 2014-12-11 Ind Tech Res Inst Electret diaphragm and speaker using the same
TWI491273B (en) * 2011-08-18 2015-07-01 Univ Nat Taiwan Electretflat loudspeaker device
JP5834800B2 (en) * 2011-11-15 2015-12-24 オムロン株式会社 Surface potential sensor and copying machine
DE102012202422A1 (en) * 2012-02-16 2013-08-22 Robert Bosch Gmbh Transducer array
US9980054B2 (en) 2012-02-17 2018-05-22 Acoustic Vision, Llc Stereophonic focused hearing
US9161113B1 (en) 2012-02-17 2015-10-13 Elvin Fenton Transparent lens microphone
JP5904540B2 (en) * 2012-05-30 2016-04-13 オムロン株式会社 Electret type vibration detection system, external vibration information generation method, external vibration information generation method, external vibration information generation program, external vibration transfer function information generation program
WO2017200490A1 (en) * 2016-05-18 2017-11-23 Agency For Science, Technology And Research Window with noise management and related methods
US11228844B2 (en) 2017-05-18 2022-01-18 The Johns Hopkins University Push-pull electret transducer with controlled restoring force for low frequency microphones and energy harvesting
US11076225B2 (en) * 2019-12-28 2021-07-27 Intel Corporation Haptics and microphone display integration

Family Cites Families (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3593257A (en) * 1968-06-14 1971-07-13 Dynamics Corp America Electroacoustic transducer
US4079162A (en) * 1974-03-20 1978-03-14 Aim Associates, Inc. Soundproof structure
FR2394221A1 (en) * 1977-06-10 1979-01-05 Thomson Csf REVERSIBLE ELECTRO-ACOUSTIC TRANSDUCER DEVICE WITH CONSTANT DIRECTIVITY CHARACTERISTICS IN A WIDE FREQUENCY BAND
FR2397120A1 (en) * 1977-07-04 1979-02-02 Lewiner Jacques IMPROVEMENTS IN ELECTROMECHANICAL TRANSDUCERS
FR2475804A1 (en) * 1980-02-12 1981-08-14 Lewiner Jacques IMPROVEMENTS ON COMPOSITE SHEETS CONSTITUTING ELECTROMECHANICAL TRANSDUCERS AND TRANSDUCERS EQUIPPED WITH SUCH SHEETS
GB2072458A (en) * 1980-03-03 1981-09-30 Tape Developments Ltd C Electroacoustic transducers
US4441038A (en) * 1980-06-30 1984-04-03 Tokyo Shibaura Denki Kabushiki Kaisha Electret device
US4443711A (en) * 1980-06-30 1984-04-17 Tokyo Shibaura Denki Kabushiki Kaisha Electret device
US4382196A (en) * 1981-03-16 1983-05-03 Gte Products Corporation Tape transducer
US4370182A (en) * 1981-03-16 1983-01-25 Gte Products Corporation Method of making tape transducer
US4524247A (en) * 1983-07-07 1985-06-18 At&T Bell Laboratories Integrated electroacoustic transducer with built-in bias
CA1200308A (en) * 1983-11-23 1986-02-04 Peter Fatovic Directional microphone assembly
US4805157A (en) * 1983-12-02 1989-02-14 Raytheon Company Multi-layered polymer hydrophone array
CA1277415C (en) * 1986-04-11 1990-12-04 Lorne A. Whitehead Elastomer membrane enhanced electrostatic transducer
US4802227A (en) * 1987-04-03 1989-01-31 American Telephone And Telegraph Company Noise reduction processing arrangement for microphone arrays
FR2632737B1 (en) * 1988-06-10 1992-12-24 Thomson Csf METHOD FOR OBTAINING A NON-LINEAR ELECTROOPTICAL EFFECT GENERATOR, STRUCTURE OBTAINED AND APPLICATIONS
FR2640842B1 (en) * 1988-12-20 1991-07-26 Thomson Csf DIRECTIONAL MODULAR LINEAR HYDROPHONIC ANTENNA
JPH0728470B2 (en) * 1989-02-03 1995-03-29 松下電器産業株式会社 Array microphone
US4965775A (en) * 1989-05-19 1990-10-23 At&T Bell Laboratories Image derived directional microphones
US5226914A (en) * 1990-11-16 1993-07-13 Caplan Arnold I Method for treating connective tissue disorders
US5155707A (en) * 1991-11-26 1992-10-13 The United States Of America As Represented By The Secretary Of The Navy Omni-directional hydrophone
US5388163A (en) * 1991-12-23 1995-02-07 At&T Corp. Electret transducer array and fabrication technique
JPH05316587A (en) * 1992-05-08 1993-11-26 Sony Corp Microphone device
US5218575A (en) * 1992-09-04 1993-06-08 Milltronics Ltd. Acoustic transducer
US5226076A (en) * 1993-02-28 1993-07-06 At&T Bell Laboratories Directional microphone assembly
US5392358A (en) * 1993-04-05 1995-02-21 Driver; Michael L. Electrolytic loudspeaker assembly
US5400408A (en) * 1993-06-23 1995-03-21 Apple Computer, Inc. High performance stereo sound enclosure for computer visual display monitor and method for construction
AU7249194A (en) * 1993-06-23 1995-01-17 Apple Computer, Inc. Computer visual display monitor with integral stereo speaker and directional microphone and method for construction
US5627901A (en) * 1993-06-23 1997-05-06 Apple Computer, Inc. Directional microphone for computer visual display monitor and method for construction
US5473701A (en) * 1993-11-05 1995-12-05 At&T Corp. Adaptive microphone array
US5506908A (en) * 1994-06-30 1996-04-09 At&T Corp. Directional microphone system
US5530683A (en) * 1995-04-06 1996-06-25 The United States Of America As Represented By The Secretary Of The Navy Steerable acoustic transducer
US5703957A (en) * 1995-06-30 1997-12-30 Lucent Technologies Inc. Directional microphone assembly
FR2742960B1 (en) * 1995-12-22 1998-02-20 Mahieux Yannick ACOUSTIC ANTENNA FOR COMPUTER WORKSTATION
KR100202315B1 (en) * 1996-07-05 1999-06-15 윤종용 Electronic products have a mic on power switch
KR100212314B1 (en) * 1996-11-06 1999-08-02 윤종용 Stand device of lcd display apparatus
US5848172A (en) * 1996-11-22 1998-12-08 Lucent Technologies Inc. Directional microphone
US5862239A (en) * 1997-04-03 1999-01-19 Lucent Technologies Inc. Directional capacitor microphone system

Also Published As

Publication number Publication date
WO2002048659A3 (en) 2003-01-03
WO2002048659A2 (en) 2002-06-20
US20020080684A1 (en) 2002-06-27

Similar Documents

Publication Publication Date Title
GB9926907D0 (en) Piezoelectric diaphragm and piezoelectric speaker
AU2001243252A1 (en) Acoustic transducer with improved acoustic damper
AU2001277000A1 (en) Acoustic wave device
AU2001273466A1 (en) Integrated tunable surface acoustic wave technology and sensors provided thereby
GB2355528B (en) Acoustic sensor assembly
EP1304903B8 (en) Electro-acoustic transducer and electronic device
HK1047675A1 (en) Flat acoustic transducer
AU2001276278A1 (en) Piezoelectric sensor
EP1306832A4 (en) Robot acoustic device and robot acoustic system
AU2002322938A1 (en) Electromagnetic piezoelectric acoustic sensor
AU2001252853A1 (en) Acoustic microscope
AU2001271169A1 (en) Active acoustic spectroscopy
AU2002243224A1 (en) Large aperture vibration and acoustic sensor
GB2358546B (en) Piezoelectric diaphragm and piezoelectric speaker
AU2002227087A1 (en) Acoustic loudspeaker
GB0029098D0 (en) Vibration transducer
AU2001270877A1 (en) Acoustic structures
AU2002221368A1 (en) Digital vibration transducer
AU2001220107A1 (en) Adaptive comparator circuit and acoustic distance sensor comprising said circuit
AU2001231032A1 (en) Acoustic sensor module design and fabrication process
AU5547500A (en) Acoustic device
AU4593300A (en) Acoustic device
AU5089600A (en) Acoustic device
AU2001288345A1 (en) Acoustic interferometry method and device
AU2002321477A1 (en) Acoustic device