AU2719000A - Piezoelectric film sonic emitter - Google Patents
Piezoelectric film sonic emitterInfo
- Publication number
- AU2719000A AU2719000A AU27190/00A AU2719000A AU2719000A AU 2719000 A AU2719000 A AU 2719000A AU 27190/00 A AU27190/00 A AU 27190/00A AU 2719000 A AU2719000 A AU 2719000A AU 2719000 A AU2719000 A AU 2719000A
- Authority
- AU
- Australia
- Prior art keywords
- piezoelectric film
- sonic emitter
- film sonic
- emitter
- piezoelectric
- 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
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
- B06B1/06—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
-
- 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
- G10K15/00—Acoustics not otherwise provided for
- G10K15/02—Synthesis of acoustic waves
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
-
- 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
- H04R17/10—Resonant transducers, i.e. adapted to produce maximum output at a predetermined frequency
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
- H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
- H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- General Health & Medical Sciences (AREA)
- Multimedia (AREA)
- Mechanical Engineering (AREA)
- Transducers For Ultrasonic Waves (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Circuit For Audible Band Transducer (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/US2000/000103 WO2001050810A1 (en) | 2000-01-04 | 2000-01-04 | Piezoelectric film sonic emitter |
Publications (1)
Publication Number | Publication Date |
---|---|
AU2719000A true AU2719000A (en) | 2001-07-16 |
Family
ID=21740943
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU27190/00A Abandoned AU2719000A (en) | 2000-01-04 | 2000-01-04 | Piezoelectric film sonic emitter |
Country Status (8)
Country | Link |
---|---|
EP (1) | EP1247421A4 (en) |
JP (1) | JP2003520002A (en) |
KR (1) | KR20020079767A (en) |
CN (1) | CN1190107C (en) |
AU (1) | AU2719000A (en) |
CA (1) | CA2396347A1 (en) |
HK (1) | HK1050102A1 (en) |
WO (1) | WO2001050810A1 (en) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4515092B2 (en) * | 2001-09-06 | 2010-07-28 | ペガサス テクノロジーズ リミテッド | Cylindrical ultrasonic receiver and transceiver formed of piezoelectric film |
US8116508B2 (en) * | 2008-09-26 | 2012-02-14 | Nokia Corporation | Dual-mode loudspeaker |
JP4947115B2 (en) * | 2009-09-30 | 2012-06-06 | 株式会社村田製作所 | Ultrasonic transducer |
US20110264012A1 (en) * | 2009-10-23 | 2011-10-27 | Frans Lautzenhiser | Compliant couplant with liquid reservoir for transducer |
EP2747450A4 (en) * | 2011-08-16 | 2015-12-30 | Nec Corp | Electronic device |
WO2013033506A1 (en) * | 2011-09-01 | 2013-03-07 | Microtech Medical Technologies Ltd. | Method of detecting portal and/or hepatic pressure and a portal hypertension monitoring system |
CN104181231B (en) * | 2014-07-07 | 2017-01-11 | 西安交通大学 | Device and method for measuring yield behavior of thin film material |
CN104822118B (en) * | 2015-05-06 | 2018-11-30 | 歌尔股份有限公司 | A kind of encapsulating structure of MEMS microphone |
CN105537091B (en) * | 2015-11-23 | 2018-06-29 | 西北工业大学 | Infrasonic sound wave synthesis method and device based on frequency beat formula and acoustic parametric arrays technology |
WO2019186305A1 (en) * | 2018-03-24 | 2019-10-03 | RAMCHANDRAN, Shankar Trichur | Transducer assembly |
WO2019186321A1 (en) * | 2018-03-24 | 2019-10-03 | RAMCHANDRAN, Shankar Trichur | Wave shaping and scattering unit for an ultrasonic transducer |
FR3087608B1 (en) * | 2018-10-17 | 2021-11-19 | Akoustic Arts | ACOUSTIC SPEAKER AND MODULATION PROCESS FOR AN ACOUSTIC SPEAKER |
US11623248B2 (en) * | 2019-01-18 | 2023-04-11 | University Of Southern California | Focused ultrasound transducer with electrically controllable focal length |
CN110234056B (en) * | 2019-06-21 | 2021-01-12 | 京东方科技集团股份有限公司 | Transducer, preparation method thereof and transducer device |
KR102267074B1 (en) * | 2019-11-11 | 2021-06-21 | 재단법인 파동에너지 극한제어 연구단 | Cover unit of ultrasonic transducer in acoustic extraordinary transmission type |
CN111044618B (en) * | 2019-12-05 | 2022-08-16 | 西安理工大学 | Piezoelectric sensor for detecting acoustic emission signals and preparation method of piezoelectric film |
CN111669690A (en) * | 2020-07-10 | 2020-09-15 | 瑞声科技(南京)有限公司 | Piezoelectric microphone and preparation process thereof |
CN114822482B (en) * | 2022-03-11 | 2023-05-23 | 南京师范大学 | Coupled sound vortex emitter and application thereof |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4056742A (en) * | 1976-04-30 | 1977-11-01 | Tibbetts Industries, Inc. | Transducer having piezoelectric film arranged with alternating curvatures |
FR2409654B1 (en) * | 1977-11-17 | 1985-10-04 | Thomson Csf | PIEZOELECTRIC TRANSDUCER DEVICE AND MANUFACTURING METHOD THEREOF |
US4725994A (en) * | 1984-06-14 | 1988-02-16 | Kabushiki Kaisha Toshiba | Ultrasonic transducer with a multiple-folded piezoelectric polymer film |
US4825116A (en) * | 1987-05-07 | 1989-04-25 | Yokogawa Electric Corporation | Transmitter-receiver of ultrasonic distance measuring device |
DE3731196A1 (en) * | 1987-09-17 | 1989-03-30 | Messerschmitt Boelkow Blohm | FREQUENCY SELECTIVE SOUND CONVERTER |
-
2000
- 2000-01-04 WO PCT/US2000/000103 patent/WO2001050810A1/en not_active Application Discontinuation
- 2000-01-04 EP EP00905530A patent/EP1247421A4/en not_active Withdrawn
- 2000-01-04 KR KR1020027008678A patent/KR20020079767A/en not_active Application Discontinuation
- 2000-01-04 CA CA002396347A patent/CA2396347A1/en not_active Abandoned
- 2000-01-04 JP JP2001551061A patent/JP2003520002A/en active Pending
- 2000-01-04 CN CNB008188386A patent/CN1190107C/en not_active Expired - Fee Related
- 2000-01-04 AU AU27190/00A patent/AU2719000A/en not_active Abandoned
-
2003
- 2003-03-28 HK HK03102258.0A patent/HK1050102A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
CN1190107C (en) | 2005-02-16 |
JP2003520002A (en) | 2003-06-24 |
CN1433661A (en) | 2003-07-30 |
CA2396347A1 (en) | 2001-07-12 |
HK1050102A1 (en) | 2003-06-06 |
EP1247421A1 (en) | 2002-10-09 |
KR20020079767A (en) | 2002-10-19 |
EP1247421A4 (en) | 2008-05-21 |
WO2001050810A1 (en) | 2001-07-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK6 | Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase |