CN103843369B - 静电式换能器 - Google Patents

静电式换能器 Download PDF

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Publication number
CN103843369B
CN103843369B CN201280035607.2A CN201280035607A CN103843369B CN 103843369 B CN103843369 B CN 103843369B CN 201280035607 A CN201280035607 A CN 201280035607A CN 103843369 B CN103843369 B CN 103843369B
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CN
China
Prior art keywords
layer
layers
electrostatic transducer
conductive
electrostatic
Prior art date
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Active
Application number
CN201280035607.2A
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English (en)
Chinese (zh)
Other versions
CN103843369A (zh
Inventor
布莱恩·阿特金斯
邓肯·比尔森
大卫·霍尔
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.)
Warwick Audio Co Ltd
Original Assignee
WARWICK AUDIO TECHNOLOGIES Ltd
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.)
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Publication date
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Publication of CN103843369A publication Critical patent/CN103843369A/zh
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Classifications

    • 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
    • H04R19/02—Loudspeakers
    • 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
    • H04R19/04—Microphones
    • 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
    • H04R23/006—Transducers other than those covered by groups H04R9/00 - H04R21/00 using solid state devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; 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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/08—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers separated by air or other fluid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2201/00—Details of transducers, loudspeakers or microphones covered by H04R1/00 but not provided for in any of its subgroups
    • H04R2201/003—Mems transducers or their use

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Floor Finish (AREA)
CN201280035607.2A 2011-05-19 2012-05-18 静电式换能器 Active CN103843369B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1108373.0 2011-05-19
GB1108373.0A GB2490931A (en) 2011-05-19 2011-05-19 Electrostatic acoustic transducer
PCT/GB2012/051130 WO2012156753A1 (en) 2011-05-19 2012-05-18 Electrostatic transducer

Publications (2)

Publication Number Publication Date
CN103843369A CN103843369A (zh) 2014-06-04
CN103843369B true CN103843369B (zh) 2018-03-30

Family

ID=44260757

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201280035607.2A Active CN103843369B (zh) 2011-05-19 2012-05-18 静电式换能器

Country Status (6)

Country Link
US (1) US9503821B2 (enExample)
EP (1) EP2710815B1 (enExample)
JP (1) JP6089029B2 (enExample)
CN (1) CN103843369B (enExample)
GB (1) GB2490931A (enExample)
WO (1) WO2012156753A1 (enExample)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2522932A (en) 2014-02-11 2015-08-12 Warwick Audio Technologies Ltd Improved electrostatic transducer
GB2522931A (en) * 2014-02-11 2015-08-12 Warwick Audio Technologies Ltd Improved electrostatic transducer
WO2017053716A1 (en) * 2015-09-24 2017-03-30 Frank Joseph Pompei Ultrasonic transducers
US9667173B1 (en) * 2016-04-26 2017-05-30 Turtle Beach Corporation Electrostatic parametric transducer and related methods
US9986355B2 (en) 2016-06-14 2018-05-29 Bose Corporation Assembly aid for miniature transducer
CN106714055B (zh) * 2016-12-31 2019-04-19 苏州清听声学科技有限公司 背极板多通道静电式换能器
JP7410935B2 (ja) 2018-05-24 2024-01-10 ザ リサーチ ファウンデーション フォー ザ ステイト ユニバーシティー オブ ニューヨーク 容量性センサ
US11328701B2 (en) * 2019-01-06 2022-05-10 Holosonic Research Labs Ultrasonic transducer with perforated baseplate
GB201906425D0 (en) 2019-05-07 2019-06-19 Warwick Acoustics Ltd Electrostatic transducer and diaphragm
CN113411966B (zh) * 2021-05-11 2022-04-15 武汉市木邦电器有限公司 一种基于金属丝的熔接方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975243A (en) * 1958-01-17 1961-03-14 Philco Corp Transducers
CN1909747A (zh) * 2005-08-03 2007-02-07 精工爱普生株式会社 静电型超声波换能器、其电极的制造方法、超声波扬声器
CN101400013A (zh) * 2007-09-27 2009-04-01 雅马哈株式会社 静电扬声器
TW200952510A (en) * 2008-06-05 2009-12-16 Ind Tech Res Inst Flexible electret transducer assembly, speaker and method of making a flexible electret transducer assembly

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB228176A (en) 1924-01-22 1926-07-22 Ernst Hueter Improvements in vibratory diaphragms
US3895193A (en) 1968-04-29 1975-07-15 Pond Chester C Cross-over network and bias voltage supply for dynamic-electrostatic speaker system
JPS5121791B2 (enExample) * 1972-08-04 1976-07-05
JPS5419172B2 (enExample) * 1973-07-23 1979-07-13
US3935397A (en) 1974-01-28 1976-01-27 Electronic Industries, Inc. Electrostatic loudspeaker element
US3992585A (en) 1975-10-06 1976-11-16 Koss Corporation Self-energizing electrostatic loudspeaker system
US4533794A (en) 1983-05-23 1985-08-06 Beveridge Harold N Electrode for electrostatic transducer
JPS6046196A (ja) 1984-06-12 1985-03-12 Matsushita Electric Ind Co Ltd スピ−カ用振動板
US5161128A (en) 1990-11-30 1992-11-03 Ultrasonic Arrays, Inc. Capacitive transducer system and method
WO1993001691A1 (en) 1991-07-11 1993-01-21 Driver Michael L Electrolytic loudspeaker assembly
JP3277498B2 (ja) 1992-10-24 2002-04-22 ソニー株式会社 スピーカ装置
DE4425901A1 (de) 1994-07-21 1996-01-25 Siemens Ag Regelverstärker zur Steuerung einer hochohmigen Niedersapnnungsquelle
US5973368A (en) 1996-06-05 1999-10-26 Pearce; Lawrence G. Monolithic class D amplifier
WO1998035529A2 (en) * 1997-02-07 1998-08-13 Sri International Elastomeric dielectric polymer film sonic actuator
US6044160A (en) * 1998-01-13 2000-03-28 American Technology Corporation Resonant tuned, ultrasonic electrostatic emitter
US6628791B1 (en) 1999-10-29 2003-09-30 American Technology Corporation Signal derived bias supply for electrostatic loudspeakers
USRE40860E1 (en) * 2000-09-02 2009-07-21 University Of Warwick Electrostatic audio loudspeakers
US20020141606A1 (en) 2001-02-09 2002-10-03 Richard Schweder Power supply assembly
GB2413027A (en) 2004-04-01 2005-10-12 Steve Kelsey Bias for electrostatic loudspeaker is dependent upon signal level
US7595580B2 (en) * 2005-03-21 2009-09-29 Artificial Muscle, Inc. Electroactive polymer actuated devices
JP4822517B2 (ja) * 2005-05-24 2011-11-24 パナソニック株式会社 スピーカ装置
JP4793174B2 (ja) 2005-11-25 2011-10-12 セイコーエプソン株式会社 静電型トランスデューサ、回路定数の設定方法
JP4867565B2 (ja) 2005-11-29 2012-02-01 セイコーエプソン株式会社 容量性負荷の駆動回路、および超音波スピーカ
GB0600014D0 (en) 2006-01-03 2006-02-08 Warwick Audio Technologies Ltd Electrostatic loudspeakers
RU2440693C2 (ru) 2006-01-03 2012-01-20 Транспарент Саунд Текнолоджи БИ.ВИ.,NL Электростатические акустические системы и способы
TW200908542A (en) 2007-08-10 2009-02-16 Richtek Technology Corp Driving device for electrostatic loudspeaker
JP5169208B2 (ja) 2007-12-21 2013-03-27 ヤマハ株式会社 ワイヤレススピーカ装置
JP2009284397A (ja) * 2008-05-26 2009-12-03 Yamaha Corp 静電型スピーカ
JP2010004254A (ja) * 2008-06-19 2010-01-07 Yamaha Corp 静電型スピーカ

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2975243A (en) * 1958-01-17 1961-03-14 Philco Corp Transducers
CN1909747A (zh) * 2005-08-03 2007-02-07 精工爱普生株式会社 静电型超声波换能器、其电极的制造方法、超声波扬声器
CN101400013A (zh) * 2007-09-27 2009-04-01 雅马哈株式会社 静电扬声器
TW200952510A (en) * 2008-06-05 2009-12-16 Ind Tech Res Inst Flexible electret transducer assembly, speaker and method of making a flexible electret transducer assembly

Also Published As

Publication number Publication date
GB2490931A (en) 2012-11-21
JP6089029B2 (ja) 2017-03-01
US9503821B2 (en) 2016-11-22
JP2014517603A (ja) 2014-07-17
WO2012156753A1 (en) 2012-11-22
GB201108373D0 (en) 2011-06-29
EP2710815A1 (en) 2014-03-26
CN103843369A (zh) 2014-06-04
EP2710815B1 (en) 2016-10-19
US20140232236A1 (en) 2014-08-21

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Address after: Nuneaton

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