CN109716791B - 等离子扬声器及耳机 - Google Patents

等离子扬声器及耳机 Download PDF

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Publication number
CN109716791B
CN109716791B CN201780029887.9A CN201780029887A CN109716791B CN 109716791 B CN109716791 B CN 109716791B CN 201780029887 A CN201780029887 A CN 201780029887A CN 109716791 B CN109716791 B CN 109716791B
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China
Prior art keywords
air
loudspeaker
electrode
plasma
voltage source
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CN201780029887.9A
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Chinese (zh)
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CN109716791A (zh
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保罗·吉利根
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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
    • H04R23/00—Transducers other than those covered by groups H04R9/00 - H04R21/00
    • H04R23/004—Transducers other than those covered by groups H04R9/00 - H04R21/00 using ionised gas
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B03—SEPARATION OF SOLID MATERIALS USING LIQUIDS OR USING PNEUMATIC TABLES OR JIGS; MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C—MAGNETIC OR ELECTROSTATIC SEPARATION OF SOLID MATERIALS FROM SOLID MATERIALS OR FLUIDS; SEPARATION BY HIGH-VOLTAGE ELECTRIC FIELDS
    • B03C3/00—Separating dispersed particles from gases or vapour, e.g. air, by electrostatic effect
    • B03C3/34—Constructional details or accessories or operation thereof
    • B03C3/38—Particle charging or ionising stations, e.g. using electric discharge, radioactive radiation or flames
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/30—Combinations of transducers with horns, e.g. with mechanical matching means, i.e. front-loaded horns
    • 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

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  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Plasma Technology (AREA)
CN201780029887.9A 2016-09-15 2017-06-21 等离子扬声器及耳机 Active CN109716791B (zh)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB1615702.6 2016-09-15
GBGB1615702.6A GB201615702D0 (en) 2016-09-15 2016-09-15 Plasma speaker
PCT/EP2017/065309 WO2018050304A1 (en) 2016-09-15 2017-06-21 Plasma speaker

Publications (2)

Publication Number Publication Date
CN109716791A CN109716791A (zh) 2019-05-03
CN109716791B true CN109716791B (zh) 2020-11-06

Family

ID=57288736

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201780029887.9A Active CN109716791B (zh) 2016-09-15 2017-06-21 等离子扬声器及耳机

Country Status (6)

Country Link
US (1) US10567887B2 (enExample)
EP (1) EP3513576B1 (enExample)
JP (1) JP6984899B2 (enExample)
CN (1) CN109716791B (enExample)
GB (1) GB201615702D0 (enExample)
WO (1) WO2018050304A1 (enExample)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102017105401B4 (de) * 2017-03-14 2019-01-31 Tdk Electronics Ag Vorrichtung zur Erzeugung eines nichtthermischen Atmosphärendruck-Plasmas
CN110430515B (zh) * 2019-08-23 2021-03-23 苏州锐丰建声灯光音响器材工程安装有限公司 改良型等离子扬声器
CN110381429B (zh) * 2019-08-23 2021-06-04 胡振强 定向式等离子扬声器
CN111988900A (zh) * 2020-07-21 2020-11-24 中国空气动力研究与发展中心低速空气动力研究所 等离子体激励器的应用及次声波产生方法、装置
GB202307872D0 (en) * 2023-05-25 2023-07-12 Sonexos Sa Electroacoustic plasma transducer system
GB202316485D0 (en) * 2023-10-27 2023-12-13 Sonexos Sa Electroacoustic plasma transducer system
CN117202058B (zh) * 2023-11-03 2024-03-26 地球山(苏州)微电子科技有限公司 一种像素发声单元、发声方法及数字扬声器

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460809A (en) * 1981-05-21 1984-07-17 Bondar Henri Process and device for converting a periodic LF electric voltage into sound waves
US5966452A (en) * 1997-03-07 1999-10-12 American Technology Corporation Sound reduction method and system for jet engines
CN101232770A (zh) * 2008-01-25 2008-07-30 华中科技大学 介质阻挡放电等离子体喷流装置
WO2009097068A1 (en) * 2008-01-31 2009-08-06 The Boeing Company Dielectric barrier discharge pump apparatus and method
JP2010141858A (ja) * 2008-12-15 2010-06-24 Sony Corp 音声発生装置
CN101778327A (zh) * 2010-01-07 2010-07-14 姚宗栋 一种电声转换方法和装置
CN202218397U (zh) * 2011-09-27 2012-05-09 赵舸 等离子体扬声器

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5092755U (enExample) * 1973-12-25 1975-08-05
CN101820573B (zh) * 2010-04-30 2013-07-10 卢驭龙 一种等离子扬声器的控制装置及等离子扬声器
JP5777540B2 (ja) * 2012-02-24 2015-09-09 株式会社オーディオテクニカ 電気音響変換器
JP6099143B2 (ja) * 2013-06-12 2017-03-22 株式会社オーディオテクニカ 電気音響変換器

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4460809A (en) * 1981-05-21 1984-07-17 Bondar Henri Process and device for converting a periodic LF electric voltage into sound waves
US5966452A (en) * 1997-03-07 1999-10-12 American Technology Corporation Sound reduction method and system for jet engines
CN101232770A (zh) * 2008-01-25 2008-07-30 华中科技大学 介质阻挡放电等离子体喷流装置
WO2009097068A1 (en) * 2008-01-31 2009-08-06 The Boeing Company Dielectric barrier discharge pump apparatus and method
JP2010141858A (ja) * 2008-12-15 2010-06-24 Sony Corp 音声発生装置
CN101778327A (zh) * 2010-01-07 2010-07-14 姚宗栋 一种电声转换方法和装置
CN202218397U (zh) * 2011-09-27 2012-05-09 赵舸 等离子体扬声器

Also Published As

Publication number Publication date
CN109716791A (zh) 2019-05-03
EP3513576A1 (en) 2019-07-24
US20190215616A1 (en) 2019-07-11
US10567887B2 (en) 2020-02-18
WO2018050304A1 (en) 2018-03-22
JP6984899B2 (ja) 2021-12-22
GB201615702D0 (en) 2016-11-02
EP3513576B1 (en) 2020-10-21
JP2019533319A (ja) 2019-11-14

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