ATE528930T1 - Elektroakustischer wandler - Google Patents

Elektroakustischer wandler

Info

Publication number
ATE528930T1
ATE528930T1 AT07016678T AT07016678T ATE528930T1 AT E528930 T1 ATE528930 T1 AT E528930T1 AT 07016678 T AT07016678 T AT 07016678T AT 07016678 T AT07016678 T AT 07016678T AT E528930 T1 ATE528930 T1 AT E528930T1
Authority
AT
Austria
Prior art keywords
acoustic
electro
electroacoustic transducer
edge portion
bending vibration
Prior art date
Application number
AT07016678T
Other languages
English (en)
Inventor
Yoshinori Hama
Original Assignee
Nec Corp
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 Nec Corp filed Critical Nec Corp
Application granted granted Critical
Publication of ATE528930T1 publication Critical patent/ATE528930T1/de

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/44—Special adaptations for subaqueous use, e.g. for hydrophone
    • 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
    • B06B1/0607—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 using multiple elements
    • B06B1/0611—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 using multiple elements in a pile
    • B06B1/0618—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 using multiple elements in a pile of piezo- and non-piezoelectric elements, e.g. 'Tonpilz'
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R15/00—Magnetostrictive 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
    • H04R17/005—Piezoelectric transducers; Electrostrictive transducers using a piezoelectric polymer

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Mechanical Engineering (AREA)
  • Multimedia (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
AT07016678T 2006-08-30 2007-08-24 Elektroakustischer wandler ATE528930T1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006233419A JP4946272B2 (ja) 2006-08-30 2006-08-30 電気音響変換器および該電気音響変換器を搭載するソーナー用送信器

Publications (1)

Publication Number Publication Date
ATE528930T1 true ATE528930T1 (de) 2011-10-15

Family

ID=38805681

Family Applications (1)

Application Number Title Priority Date Filing Date
AT07016678T ATE528930T1 (de) 2006-08-30 2007-08-24 Elektroakustischer wandler

Country Status (4)

Country Link
US (1) US7555133B2 (de)
EP (1) EP1895812B1 (de)
JP (1) JP4946272B2 (de)
AT (1) ATE528930T1 (de)

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5125652B2 (ja) * 2008-03-21 2013-01-23 日本電気株式会社 低周波振動子及びそれを用いた無指向性型低周波水中音響波送受波器並びに円筒放射型低周波水中音響送受波器
MX2011003931A (es) * 2008-10-14 2011-06-21 Pioneer Corp Dispositivo de altavoz.
JP5257277B2 (ja) * 2009-07-03 2013-08-07 日本電気株式会社 音響トランスデューサ
KR101569231B1 (ko) * 2011-06-30 2015-11-16 삼성전기주식회사 압전진동모듈
TW201308865A (zh) * 2011-08-04 2013-02-16 Chief Land Electronic Co Ltd 能量轉換模組
US9571615B2 (en) * 2012-03-29 2017-02-14 Kyocera Corporation Electronic apparatus, panel unit, and unit for electronic apparatus
JP5780261B2 (ja) * 2013-04-24 2015-09-16 カシオ計算機株式会社 アクチュエータ
US11697134B2 (en) 2016-10-31 2023-07-11 Thales Australia Limited Acoustic transducer
CN108065964B (zh) * 2018-01-16 2021-04-20 中国科学院苏州生物医学工程技术研究所 一种超声成像方法、装置、设备及超声成像探头
US11482659B2 (en) * 2018-09-26 2022-10-25 Apple Inc. Composite piezoelectric actuator
IT201900007317A1 (it) * 2019-05-27 2020-11-27 St Microelectronics Srl Trasduttore acustico microelettromeccanico piezoelettrico avente caratteristiche migliorate e relativo procedimento di fabbricazione
CN110418244A (zh) * 2019-08-29 2019-11-05 北京小米移动软件有限公司 电声转换器件及应用其的电子设备
CN111159945B (zh) * 2019-12-27 2023-06-13 哈尔滨工程大学 一种基于主辐射模态的水下圆柱壳低频声辐射预报方法
US11474079B2 (en) * 2020-05-04 2022-10-18 Saudi Arabian Oil Company Ultrasonic dry coupled wheel probe with a radial transducer
CN115968549A (zh) * 2021-08-11 2023-04-14 深圳市韶音科技有限公司 一种传声器
EP4376442A3 (de) 2022-04-08 2024-08-14 STMicroelectronics S.r.l. Mikroelektromechanischer membran-elektroakustikwandler
CN121153267A (zh) * 2024-04-16 2025-12-16 株式会社村田制作所 超声波换能器
WO2025220251A1 (ja) * 2024-04-16 2025-10-23 株式会社村田製作所 超音波トランスデューサ

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6143896A (ja) * 1984-08-07 1986-03-03 Nec Corp 低周波水中超音波送波器
JPS62176399A (ja) 1986-01-30 1987-08-03 Nec Corp 水中超音波トランスジユ−サ
FR2630395B1 (fr) * 1988-04-22 1994-12-09 Technologies Speciales Ingenie Procede de fabrication d'un flotteur deformable et flotteur obtenu par ledit procede destine a l'allegement d'un corps pesant immerge
JP2814817B2 (ja) 1992-02-07 1998-10-27 日本電気株式会社 低周波水中超音波送波器
JPH05260584A (ja) * 1992-03-13 1993-10-08 Nec Corp 送受波器
JP2674967B2 (ja) * 1995-03-15 1997-11-12 防衛庁技術研究本部長 送波器
GB9722079D0 (en) * 1997-10-21 1997-12-17 New Transducers Ltd Loudspeaker suspension
US6453050B1 (en) * 1998-05-11 2002-09-17 Matsushita Electric Industrial Co., Ltd. Piezoelectric speaker, method for producing the same, and speaker system including the same
US6865277B2 (en) * 2000-01-27 2005-03-08 New Transducers Limited Passenger vehicle
JP3991827B2 (ja) * 2002-09-10 2007-10-17 日本電気株式会社 屈曲型送波器
JP2005045691A (ja) * 2003-07-24 2005-02-17 Taiyo Yuden Co Ltd 圧電振動装置
JP4466215B2 (ja) * 2004-06-15 2010-05-26 日本電気株式会社 超音波送受波器

Also Published As

Publication number Publication date
EP1895812A3 (de) 2010-03-17
US20080056515A1 (en) 2008-03-06
US7555133B2 (en) 2009-06-30
EP1895812A2 (de) 2008-03-05
JP4946272B2 (ja) 2012-06-06
EP1895812B1 (de) 2011-10-12
JP2008060777A (ja) 2008-03-13

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Legal Events

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