JP2004506360A - 撓み波ラウドスピーカ - Google Patents

撓み波ラウドスピーカ Download PDF

Info

Publication number
JP2004506360A
JP2004506360A JP2002518122A JP2002518122A JP2004506360A JP 2004506360 A JP2004506360 A JP 2004506360A JP 2002518122 A JP2002518122 A JP 2002518122A JP 2002518122 A JP2002518122 A JP 2002518122A JP 2004506360 A JP2004506360 A JP 2004506360A
Authority
JP
Japan
Prior art keywords
panel
loudspeaker
boundary
frequency
attenuation
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
JP2002518122A
Other languages
English (en)
Japanese (ja)
Inventor
アジマ　ヘンリー
Original Assignee
ニュー　トランスデューサーズ　リミテッド
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 ニュー　トランスデューサーズ　リミテッド filed Critical ニュー　トランスデューサーズ　リミテッド
Publication of JP2004506360A publication Critical patent/JP2004506360A/ja
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H04R7/045—Plane diaphragms using the distributed mode principle, i.e. whereby the acoustic radiation is emanated from uniformly distributed free bending wave vibration induced in a stiff panel and not from pistonic motion
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/01—Acoustic transducers using travelling bending waves to generate or detect sound
    • 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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Building Environments (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
JP2002518122A 2000-08-03 2001-07-27 撓み波ラウドスピーカ Pending JP2004506360A (ja)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0018996A GB0018996D0 (en) 2000-08-03 2000-08-03 Bending wave loudspeaker
PCT/GB2001/003353 WO2002013575A1 (fr) 2000-08-03 2001-07-27 Haut-parleur a ondes de flexion

Publications (1)

Publication Number Publication Date
JP2004506360A true JP2004506360A (ja) 2004-02-26

Family

ID=9896856

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002518122A Pending JP2004506360A (ja) 2000-08-03 2001-07-27 撓み波ラウドスピーカ

Country Status (7)

Country Link
EP (1) EP1305976A1 (fr)
JP (1) JP2004506360A (fr)
CN (1) CN1470148A (fr)
AU (1) AU2001275706A1 (fr)
GB (1) GB0018996D0 (fr)
TW (1) TW530518B (fr)
WO (1) WO2002013575A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023509069A (ja) * 2020-01-17 2023-03-06 シェンツェン・ショックス・カンパニー・リミテッド マイクロフォン及びそれを有する電子機器

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2003090496A1 (fr) * 2002-04-17 2003-10-30 New Transducers Limited Dispositif acoustique
DE102004061314A1 (de) * 2004-12-20 2006-07-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprechermemebran und Verfahren zum Herstellen einer Lautsprechermembran
US8389120B2 (en) 2005-12-07 2013-03-05 Agc Glass Europe Sound-generating glazing
CA2632650A1 (fr) * 2005-12-07 2007-06-14 Agc Flat Glass Europe Sa Vitrage generateur de sons
TWI384890B (zh) * 2008-11-05 2013-02-01 Univ Nat Chiao Tung 微型揚聲器性能評估方法及系統
EP2450759B1 (fr) * 2010-11-09 2020-08-12 Montres Breguet SA Antichoc magnétique
CN108337621B (zh) * 2018-02-26 2024-01-02 浙江中科电声研发中心 扬声器振动部件材料粘弹性测量方法及系统

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK0541646T3 (da) 1990-08-04 1995-03-20 Secr Defence Brit Panelformet højttaler
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip
DE19821855A1 (de) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Plattenlautsprecher
ATE254382T1 (de) * 1998-07-29 2003-11-15 New Transducers Ltd Lautsprecherantriebeinheit mit einem resonanten plattenförmigen element

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2023509069A (ja) * 2020-01-17 2023-03-06 シェンツェン・ショックス・カンパニー・リミテッド マイクロフォン及びそれを有する電子機器
JP7434571B2 (ja) 2020-01-17 2024-02-20 シェンツェン・ショックス・カンパニー・リミテッド マイクロフォン及びそれを有する電子機器

Also Published As

Publication number Publication date
AU2001275706A1 (en) 2002-02-18
TW530518B (en) 2003-05-01
EP1305976A1 (fr) 2003-05-02
CN1470148A (zh) 2004-01-21
WO2002013575A1 (fr) 2002-02-14
WO2002013575A8 (fr) 2004-12-29
GB0018996D0 (en) 2000-09-20

Similar Documents

Publication Publication Date Title
US6826285B2 (en) Bending wave loudspeaker
EP1110426B1 (fr) Dispositif acoustique en forme de panneau utilisant des modes a ondes de flexion
Lee et al. Sound absorption of a finite flexible micro-perforated panel backed by an air cavity
US20210237394A1 (en) Acoustic material structure and method for assembling same and acoustic radiation structure
CN101112118B (zh) 扬声器振动膜及其制造方法
US20090245546A1 (en) Medium/Low Band Sound Reinforcement Film-Type Audio-Speaker Using Piezoelectric Film as Vibration Element
JP3027824B2 (ja) 騒音及び振動防止用能動発泡プラスチック
CZ310299A3 (cs) Akustické zařízení
US6694038B1 (en) Acoustic device
JP2004506360A (ja) 撓み波ラウドスピーカ
TW564655B (en) Flat panel sound radiator with enhanced audio performance
JP2009515457A (ja) 電気音響変換器の周波数応答を最適化するための構成
JPH07327297A (ja) 圧電スピーカ
US20050084131A1 (en) Loudspeakers
EP4167594A1 (fr) Haut-parleur plan
Kim et al. Performance test for transmitted noise reduction of smart panels using piezoelectric shunt damping
Cho et al. Analysis of sound absorption performance of an electroacoustic absorber using a vented enclosure
CN1894998A (zh) 弯曲波扬声器
JP3099805U (ja) 複合物積層板のパネル形スピーカ
Kim et al. Noise reduction performance of smart panels incorporating piezoelectric shunt damping
Kim et al. Piezoelectric smart panels for broadband noise reduction
JP2003150170A (ja) 吸音制振材
GB2474848A (en) Planar loudspeaker
MXPA01002270A (en) Panel form acoustic apparatus using bending waves modes
JPH08109687A (ja) 遮音三重壁体構造