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AU2001288481A1 - Class v flextensional transducer with directional beam patterns - Google Patents

Class v flextensional transducer with directional beam patterns

Info

Publication number
AU2001288481A1
AU2001288481A1 AU2001288481A AU8848101A AU2001288481A1 AU 2001288481 A1 AU2001288481 A1 AU 2001288481A1 AU 2001288481 A AU2001288481 A AU 2001288481A AU 8848101 A AU8848101 A AU 8848101A AU 2001288481 A1 AU2001288481 A1 AU 2001288481A1
Authority
AU
Australia
Prior art keywords
class
directional beam
beam patterns
flextensional transducer
flextensional
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
AU2001288481A
Inventor
Robert E. Newnham
Jindong Zhang
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.)
Penn State Research Foundation
Original Assignee
Penn State Research Foundation
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 Penn State Research Foundation filed Critical Penn State Research Foundation
Publication of AU2001288481A1 publication Critical patent/AU2001288481A1/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
    • G10K11/32—Sound-focusing or directing, e.g. scanning characterised by the shape of the source
    • 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
    • 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
    • G10K9/122—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means
    • G10K9/125—Devices in which sound is produced by vibrating a diaphragm or analogous element, e.g. fog horns, vehicle hooters or buzzers electrically operated using piezoelectric driving means with a plurality of active elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transducers For Ultrasonic Waves (AREA)
AU2001288481A 2000-08-30 2001-08-29 Class v flextensional transducer with directional beam patterns Abandoned AU2001288481A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US22896800P 2000-08-30 2000-08-30
US60228968 2000-08-30
PCT/US2001/026864 WO2002019388A2 (en) 2000-08-30 2001-08-29 Class v flextensional transducer with directional beam patterns

Publications (1)

Publication Number Publication Date
AU2001288481A1 true AU2001288481A1 (en) 2002-03-13

Family

ID=22859288

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001288481A Abandoned AU2001288481A1 (en) 2000-08-30 2001-08-29 Class v flextensional transducer with directional beam patterns

Country Status (3)

Country Link
US (1) US6614143B2 (en)
AU (1) AU2001288481A1 (en)
WO (1) WO2002019388A2 (en)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10017332C2 (en) * 2000-04-07 2002-04-18 Daimler Chrysler Ag Piezoelectric actuator for flap control on the rotor blade of a helicopter
AU2001288388A1 (en) * 2000-08-24 2002-03-04 Encapsulation Systems, Inc. Substance delivery system
JP2004531094A (en) * 2001-06-27 2004-10-07 シーメンス　アクチエンゲゼルシヤフト Piezoelectric bending transducer
US6908448B2 (en) * 2001-08-24 2005-06-21 Dermisonics, Inc. Substance delivery device
US20070060864A1 (en) * 2001-08-24 2007-03-15 Redding Bruce K Skin treatment method and system
WO2004052208A1 (en) * 2002-01-15 2004-06-24 Redding Bruce K Jr A wearable, portable sonic applicator for inducing the release of bioactive compounds from internal organs
US6798122B1 (en) * 2002-11-05 2004-09-28 The United States Of America As Represented By The Secretary Of The Navy Lightweight underwater acoustic projector
WO2004073647A2 (en) * 2003-02-19 2004-09-02 Second Stage Ventures, Inc. Ultrasonically enhanced saline treatment for burn damaged skin
US7446459B2 (en) * 2005-07-14 2008-11-04 National Institute Of Aerospace Associates Hybrid piezoelectric energy harvesting transducer system
DE102007003280A1 (en) * 2007-01-23 2008-07-24 Epcos Ag Piezoelectric component
WO2009042629A2 (en) * 2007-09-24 2009-04-02 Piezotech, Llc Flextensional transducer with variable beam pattern and frequency control
US8680749B2 (en) * 2008-09-03 2014-03-25 National Institute Of Aerospace Associates Piezoelectric multilayer-stacked hybrid actuation/transduction system
EP2419899B1 (en) 2009-06-25 2020-06-24 Defence Research And Development Organisation An acoustic energy reflector
US9048759B2 (en) 2010-11-17 2015-06-02 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Multistage force amplification of piezoelectric stacks
JP6061064B2 (en) * 2012-05-14 2017-01-18 セイコーエプソン株式会社 Gyro sensor and electronic equipment
DE102013105557B4 (en) * 2013-05-29 2015-06-11 Michael Förg Piezoelectric actuator
EP3090427B1 (en) * 2013-12-30 2022-11-02 Photosonix Medical, Inc. Flextensional transducer and related method
GB201409547D0 (en) * 2014-05-29 2014-07-16 Gill Instr Ltd An electroacoustic transducer
US10147863B2 (en) 2014-10-09 2018-12-04 The United States Of America As Represented By The Administrator Of Nasa Pyroelectric sandwich thermal energy harvesters
DE102015117203A1 (en) * 2015-10-08 2017-04-13 Epcos Ag pressure sensor
US10744532B1 (en) * 2016-05-06 2020-08-18 Image Acoustics, Inc. End driven bender transduction apparatus

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2895062A (en) * 1955-12-22 1959-07-14 Frank R Abbott Broad band electroacoustic transducer
US4845688A (en) * 1988-03-21 1989-07-04 Image Acoustics, Inc. Electro-mechanical transduction apparatus
US4999819A (en) * 1990-04-18 1991-03-12 The Pennsylvania Research Corporation Transformed stress direction acoustic transducer
US5276657A (en) 1992-02-12 1994-01-04 The Pennsylvania Research Corporation Metal-electroactive ceramic composite actuators
US5729077A (en) * 1995-12-15 1998-03-17 The Penn State Research Foundation Metal-electroactive ceramic composite transducer
US6232702B1 (en) * 1998-08-18 2001-05-15 The Penn State Research Foundation Flextensional metal-ceramic composite transducer

Also Published As

Publication number Publication date
US20020096973A1 (en) 2002-07-25
US6614143B2 (en) 2003-09-02
WO2002019388A2 (en) 2002-03-07
WO2002019388A3 (en) 2002-06-20

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