HK1050102A1 - 壓電薄膜聲波發射器 - Google Patents

壓電薄膜聲波發射器

Info

Publication number
HK1050102A1
HK1050102A1 HK03102258.0A HK03102258A HK1050102A1 HK 1050102 A1 HK1050102 A1 HK 1050102A1 HK 03102258 A HK03102258 A HK 03102258A HK 1050102 A1 HK1050102 A1 HK 1050102A1
Authority
HK
Hong Kong
Prior art keywords
piezoelectric film
sonic emitter
film sonic
emitter
piezoelectric
Prior art date
Application number
HK03102258.0A
Other languages
English (en)
Chinese (zh)
Inventor
O Norris Joseph
j croft James iii
Robert Selfridge Alan
Khuri-Yakub Pierre
Original Assignee
American Tech Corporation
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 American Tech Corporation filed Critical American Tech Corporation
Publication of HK1050102A1 publication Critical patent/HK1050102A1/zh

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
    • 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
    • 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
    • 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
HK03102258.0A 2000-01-04 2003-03-28 壓電薄膜聲波發射器 HK1050102A1 (zh)

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
HK1050102A1 true HK1050102A1 (zh) 2003-06-06

Family

ID=21740943

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03102258.0A HK1050102A1 (zh) 2000-01-04 2003-03-28 壓電薄膜聲波發射器

Country Status (8)

Country Link
EP (1) EP1247421A4 (ko)
JP (1) JP2003520002A (ko)
KR (1) KR20020079767A (ko)
CN (1) CN1190107C (ko)
AU (1) AU2719000A (ko)
CA (1) CA2396347A1 (ko)
HK (1) HK1050102A1 (ko)
WO (1) WO2001050810A1 (ko)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4515092B2 (ja) * 2001-09-06 2010-07-28 ペガサス テクノロジーズ リミテッド 圧電フィルムで形成された円筒形超音波受信機及びトランシーバ
US8116508B2 (en) * 2008-09-26 2012-02-14 Nokia Corporation Dual-mode loudspeaker
JP4947115B2 (ja) * 2009-09-30 2012-06-06 株式会社村田製作所 超音波トランスデューサ
US20110264012A1 (en) * 2009-10-23 2011-10-27 Frans Lautzenhiser Compliant couplant with liquid reservoir for transducer
US9116224B2 (en) 2011-08-16 2015-08-25 Nec Corporation Electronic device
CA3060248C (en) 2011-09-01 2022-04-12 Microtech Medical Technologies Ltd. Method of detecting portal and/or hepatic pressure and a portal hypertension monitoring system
CN104181231B (zh) * 2014-07-07 2017-01-11 西安交通大学 一种测定薄膜材料屈服行为的装置及其测定方法
CN104822118B (zh) * 2015-05-06 2018-11-30 歌尔股份有限公司 一种mems麦克风的封装结构
CN105537091B (zh) * 2015-11-23 2018-06-29 西北工业大学 基于频率差拍式和声学参量阵技术的次声波合成方法及装置
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 (fr) * 2018-10-17 2021-11-19 Akoustic Arts Enceinte acoustique et procede de modulation pour une enceinte acoustique
US11623248B2 (en) * 2019-01-18 2023-04-11 University Of Southern California Focused ultrasound transducer with electrically controllable focal length
CN110234056B (zh) * 2019-06-21 2021-01-12 京东方科技集团股份有限公司 换能器及其制备方法、换能装置
KR102267074B1 (ko) * 2019-11-11 2021-06-21 재단법인 파동에너지 극한제어 연구단 초음파 트랜스듀서의 음향 초투과형 커버 유닛
CN111044618B (zh) * 2019-12-05 2022-08-16 西安理工大学 一种声发射信号检测的压电传感器及压电薄膜的制备方法
CN111669690A (zh) * 2020-07-10 2020-09-15 瑞声科技（南京）有限公司 一种压电式麦克风及其制备工艺
CN114822482B (zh) * 2022-03-11 2023-05-23 南京师范大学 一种耦合声涡旋发射器及其应用

Family Cites Families (5)

* Cited by examiner, † Cited by third party
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 (fr) * 1977-11-17 1985-10-04 Thomson Csf Dispositif transducteur piezoelectrique et son procede de fabrication
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 (de) * 1987-09-17 1989-03-30 Messerschmitt Boelkow Blohm Frequenzselektiver schallwandler

Also Published As

Publication number Publication date
EP1247421A4 (en) 2008-05-21
WO2001050810A1 (en) 2001-07-12
EP1247421A1 (en) 2002-10-09
KR20020079767A (ko) 2002-10-19
AU2719000A (en) 2001-07-16
CN1190107C (zh) 2005-02-16
CN1433661A (zh) 2003-07-30
CA2396347A1 (en) 2001-07-12
JP2003520002A (ja) 2003-06-24

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