CN1620195A - 带有电声隔膜换能器的参量扬声器 - Google Patents

带有电声隔膜换能器的参量扬声器 Download PDF

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Publication number
CN1620195A
CN1620195A CN 200410087797 CN200410087797A CN1620195A CN 1620195 A CN1620195 A CN 1620195A CN 200410087797 CN200410087797 CN 200410087797 CN 200410087797 A CN200410087797 A CN 200410087797A CN 1620195 A CN1620195 A CN 1620195A
Authority
CN
China
Prior art keywords
film
barrier film
emitter
ultrasonic
frequency
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.)
Pending
Application number
CN 200410087797
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English (en)
Chinese (zh)
Inventor
艾伦·罗伯特·赛尔夫利治
皮埃尔·克胡利－亚库比
爱尔伍德·G.·诺里斯
詹姆斯·J.·克罗夫特三世
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.)
AT&T Teleholdings Inc
Original Assignee
Ameritech 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 Ameritech Corp filed Critical Ameritech Corp
Publication of CN1620195A publication Critical patent/CN1620195A/zh
Pending legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CN 200410087797 1998-09-24 1999-08-26 带有电声隔膜换能器的参量扬声器 Pending CN1620195A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US15944298A 1998-09-24 1998-09-24
US09/159,442 1998-09-24

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CNB998126802A Division CN1181704C (zh) 1998-09-24 1999-08-26 带有电声隔膜换能器的参量扬声器

Publications (1)

Publication Number Publication Date
CN1620195A true CN1620195A (zh) 2005-05-25

Family

ID=22572623

Family Applications (2)

Application Number Title Priority Date Filing Date
CNB998126802A Expired - Fee Related CN1181704C (zh) 1998-09-24 1999-08-26 带有电声隔膜换能器的参量扬声器
CN 200410087797 Pending CN1620195A (zh) 1998-09-24 1999-08-26 带有电声隔膜换能器的参量扬声器

Family Applications Before (1)

Application Number Title Priority Date Filing Date
CNB998126802A Expired - Fee Related CN1181704C (zh) 1998-09-24 1999-08-26 带有电声隔膜换能器的参量扬声器

Country Status (8)

Country Link
EP (1) EP1123634A4 (fr)
JP (1) JP2002526004A (fr)
CN (2) CN1181704C (fr)
AU (1) AU5902099A (fr)
BR (1) BR9913954A (fr)
CA (1) CA2345339A1 (fr)
HK (1) HK1041763A1 (fr)
WO (1) WO2000018182A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
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CN102082551A (zh) * 2010-12-16 2011-06-01 瑞声声学科技(深圳)有限公司 声参量阵音频重放系统及其调制方法
CN105378957A (zh) * 2013-05-08 2016-03-02 达尔豪西大学 声波发射器和植入式接收器
CN107872757A (zh) * 2016-09-23 2018-04-03 苹果公司 延伸通过扬声器隔膜的扬声器后腔
US11256338B2 (en) 2014-09-30 2022-02-22 Apple Inc. Voice-controlled electronic device
US11290805B2 (en) 2014-09-30 2022-03-29 Apple Inc. Loudspeaker with reduced audio coloration caused by reflections from a surface

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US20050100181A1 (en) * 1998-09-24 2005-05-12 Particle Measuring Systems, Inc. Parametric transducer having an emitter film
US6771785B2 (en) * 2001-10-09 2004-08-03 Frank Joseph Pompei Ultrasonic transducer for parametric array
CN1754405B (zh) * 2003-02-27 2010-04-14 Nxp股份有限公司 用于产生有用媒体流、尤其用于产生声音的产生设备
JP4438444B2 (ja) * 2004-02-19 2010-03-24 セイコーエプソン株式会社 超音波スピーカを搭載したプロジェクタ、及び該プロジェクタにおける音の再生範囲表示方法
JP2005354582A (ja) 2004-06-14 2005-12-22 Seiko Epson Corp 超音波トランスデューサ及びこれを用いた超音波スピーカ
JP4103877B2 (ja) * 2004-09-22 2008-06-18 セイコーエプソン株式会社 静電型超音波トランスデューサ及び超音波スピーカ
KR100689876B1 (ko) * 2004-12-20 2007-03-09 삼성전자주식회사 초음파 변환 재생방법에 의한 음향재생 스크린
JP2007028205A (ja) * 2005-07-15 2007-02-01 Sony Corp 電気音響変換器およびその振動膜成型方法
CN101558659B (zh) * 2006-05-22 2013-02-13 奥迪欧彼塞尔斯有限公司 直接数字扬声器中的音量和音调控制
KR101000291B1 (ko) * 2007-12-20 2010-12-13 한국전자통신연구원 비선형 매질을 통한 음향 송신 장치 및 방법
JP5900348B2 (ja) * 2010-12-20 2016-04-06 日本電気株式会社 発振装置および電子機器
EP2658284A4 (fr) * 2010-12-20 2014-06-11 Nec Casio Mobile Comm Ltd Dispositif d'oscillateur et instrument électronique
CN103220606B (zh) * 2012-01-20 2015-10-21 中华大学 电声转换器及其制造方法
EP2858829B1 (fr) * 2012-06-12 2021-05-19 Frank Joseph Pompei Transducteur à ultrasons
US9002043B2 (en) 2013-02-20 2015-04-07 Turtle Beach Corporation Parametric transducer and related methods
US8718297B1 (en) * 2013-02-20 2014-05-06 Parametric Sound Corporation Parametric transducer and related methods
CN103152659A (zh) * 2013-02-26 2013-06-12 广东欧珀移动通信有限公司 一种压电陶瓷扬声器保护装置及移动终端
US9332344B2 (en) 2013-06-13 2016-05-03 Turtle Beach Corporation Self-bias emitter circuit
AU2014302168A1 (en) * 2013-06-27 2016-01-21 Minipumps, Llc Method of making a corrugated deflection diaphragm
JP6255994B2 (ja) * 2013-06-27 2018-01-10 株式会社リコー エネルギー変換装置
US9976713B2 (en) 2013-07-05 2018-05-22 Qualcomm Incorporated Apparatus and method for providing a frequency response for audio signals
RU2571588C2 (ru) * 2014-07-24 2015-12-20 Владимир Анатольевич Ефремов Электронное устройство для автоматического перевода устной речи с одного языка на другой
JP6365164B2 (ja) * 2014-09-18 2018-08-01 株式会社村田製作所 振動装置および触覚提示装置
CN104688192B (zh) * 2015-03-31 2017-06-06 西安交通大学 基于差频超声的音频声源产生和气道特性测试方法与系统
CN108348158B (zh) * 2015-11-03 2022-02-08 Nrg系统股份有限公司 用于野生动物阻吓的宽带超声换能器设备及其使用方法
TWI626854B (zh) * 2016-11-24 2018-06-11 財團法人金屬工業研究發展中心 具立體形貌之駐極體薄膜的製作方法及其產品
CN112351682B (zh) * 2018-04-10 2022-04-08 Nrg系统股份有限公司 用于为宽带超声换能器设备提供声阻抗匹配的技术及使用该技术的野生动物阻吓方法
CN109168108B (zh) * 2018-10-24 2021-03-02 维沃移动通信有限公司 电声器件振幅调整方法、装置和移动终端
CN112004176B (zh) * 2020-08-19 2021-05-07 厦门大学 一种实现水下宽带准直的水声换能装置
US20220183659A1 (en) * 2020-12-15 2022-06-16 Sonicedge Ltd. Earphone Driver And Applications
CN117560607B (zh) * 2023-12-29 2024-04-05 汉得利（常州）电子股份有限公司 一种超声扬声器

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US4056742A (en) * 1976-04-30 1977-11-01 Tibbetts Industries, Inc. Transducer having piezoelectric film arranged with alternating curvatures
US4242541A (en) * 1977-12-22 1980-12-30 Olympus Optical Co., Ltd. Composite type acoustic transducer
US4276449A (en) * 1978-06-01 1981-06-30 Tadashi Sawafuji Speaker or microphone having corrugated diaphragm with conductors thereon
US4322877A (en) * 1978-09-20 1982-04-06 Minnesota Mining And Manufacturing Company Method of making piezoelectric polymeric acoustic transducer
WO1986001670A1 (fr) * 1984-08-28 1986-03-13 Matsushita Electric Industrial Co., Ltd. Systeme de haut-parleur directionnel
JP2745147B2 (ja) * 1989-03-27 1998-04-28 三菱マテリアル 株式会社 圧電変換素子
US5357578A (en) * 1992-11-24 1994-10-18 Canon Kabushiki Kaisha Acoustic output device, and electronic apparatus using the acoustic output device
US6304662B1 (en) * 1998-01-07 2001-10-16 American Technology Corporation Sonic emitter with foam stator
US5859915A (en) * 1997-04-30 1999-01-12 American Technology Corporation Lighted enhanced bullhorn

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102082551A (zh) * 2010-12-16 2011-06-01 瑞声声学科技(深圳)有限公司 声参量阵音频重放系统及其调制方法
CN105378957A (zh) * 2013-05-08 2016-03-02 达尔豪西大学 声波发射器和植入式接收器
US11256338B2 (en) 2014-09-30 2022-02-22 Apple Inc. Voice-controlled electronic device
US11818535B2 (en) 2014-09-30 2023-11-14 Apple, Inc. Loudspeaker with reduced audio coloration caused by reflections from a surface
US10609473B2 (en) 2014-09-30 2020-03-31 Apple Inc. Audio driver and power supply unit architecture
US11290805B2 (en) 2014-09-30 2022-03-29 Apple Inc. Loudspeaker with reduced audio coloration caused by reflections from a surface
US10587950B2 (en) 2016-09-23 2020-03-10 Apple Inc. Speaker back volume extending past a speaker diaphragm
US10834497B2 (en) 2016-09-23 2020-11-10 Apple Inc. User interface cooling using audio component
US10911863B2 (en) 2016-09-23 2021-02-02 Apple Inc. Illuminated user interface architecture
US10771890B2 (en) 2016-09-23 2020-09-08 Apple Inc. Annular support structure
CN107872757B (zh) * 2016-09-23 2020-06-05 苹果公司 音频驱动器组件和阵列扬声器
US11693488B2 (en) 2016-09-23 2023-07-04 Apple Inc. Voice-controlled electronic device
US11693487B2 (en) 2016-09-23 2023-07-04 Apple Inc. Voice-controlled electronic device
CN107872757A (zh) * 2016-09-23 2018-04-03 苹果公司 延伸通过扬声器隔膜的扬声器后腔

Also Published As

Publication number Publication date
HK1041763A1 (en) 2002-07-19
AU5902099A (en) 2000-04-10
BR9913954A (pt) 2002-02-13
CN1331901A (zh) 2002-01-16
EP1123634A4 (fr) 2006-04-19
EP1123634A1 (fr) 2001-08-16
JP2002526004A (ja) 2002-08-13
CA2345339A1 (fr) 2000-03-30
WO2000018182A1 (fr) 2000-03-30
CN1181704C (zh) 2004-12-22

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