GB2378082B - Improvements in loudspeakers - Google Patents

Improvements in loudspeakers

Info

Publication number
GB2378082B
GB2378082B GB0118170A GB0118170A GB2378082B GB 2378082 B GB2378082 B GB 2378082B GB 0118170 A GB0118170 A GB 0118170A GB 0118170 A GB0118170 A GB 0118170A GB 2378082 B GB2378082 B GB 2378082B
Authority
GB
United Kingdom
Prior art keywords
loudspeakers
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.)
Expired - Fee Related
Application number
GB0118170A
Other languages
English (en)
Other versions
GB0118170D0 (en
GB2378082A (en
Inventor
Julian Wright
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.)
KH Technology Corp
Original Assignee
KH Technology 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 KH Technology Corp filed Critical KH Technology Corp
Priority to GB0118170A priority Critical patent/GB2378082B/en
Publication of GB0118170D0 publication Critical patent/GB0118170D0/en
Priority to CNA028148266A priority patent/CN1535553A/zh
Priority to EP02751336A priority patent/EP1410677A2/en
Priority to PCT/GB2002/003432 priority patent/WO2003013183A2/en
Priority to US10/484,982 priority patent/US7448467B2/en
Priority to JP2003518223A priority patent/JP2004537938A/ja
Publication of GB2378082A publication Critical patent/GB2378082A/en
Application granted granted Critical
Publication of GB2378082B publication Critical patent/GB2378082B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
  • Carbon And Carbon Compounds (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
GB0118170A 2001-07-26 2001-07-26 Improvements in loudspeakers Expired - Fee Related GB2378082B (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
GB0118170A GB2378082B (en) 2001-07-26 2001-07-26 Improvements in loudspeakers
US10/484,982 US7448467B2 (en) 2001-07-26 2002-07-26 Acoustic enclosures
EP02751336A EP1410677A2 (en) 2001-07-26 2002-07-26 Improvements in acoustic enclosures
PCT/GB2002/003432 WO2003013183A2 (en) 2001-07-26 2002-07-26 Improvements in acoustic enclosures
CNA028148266A CN1535553A (zh) 2001-07-26 2002-07-26 音箱改进
JP2003518223A JP2004537938A (ja) 2001-07-26 2002-07-26 音響エンクロージャーの改良

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0118170A GB2378082B (en) 2001-07-26 2001-07-26 Improvements in loudspeakers

Publications (3)

Publication Number Publication Date
GB0118170D0 GB0118170D0 (en) 2001-09-19
GB2378082A GB2378082A (en) 2003-01-29
GB2378082B true GB2378082B (en) 2005-03-09

Family

ID=9919185

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0118170A Expired - Fee Related GB2378082B (en) 2001-07-26 2001-07-26 Improvements in loudspeakers

Country Status (6)

Country Link
US (1) US7448467B2 (enExample)
EP (1) EP1410677A2 (enExample)
JP (1) JP2004537938A (enExample)
CN (1) CN1535553A (enExample)
GB (1) GB2378082B (enExample)
WO (1) WO2003013183A2 (enExample)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2378082B (en) * 2001-07-26 2005-03-09 Kh Technology Corp Improvements in loudspeakers
JP3966222B2 (ja) * 2003-05-09 2007-08-29 株式会社村田製作所 スピーカ用筐体及びスピーカ装置
CN1939086A (zh) 2004-03-31 2007-03-28 松下电器产业株式会社 扬声器装置
CN1914948B (zh) * 2004-04-13 2011-01-19 松下电器产业株式会社 扬声器装置
JP4767164B2 (ja) * 2004-04-13 2011-09-07 パナソニック株式会社 スピーカ装置
WO2006022199A1 (ja) * 2004-08-23 2006-03-02 Matsushita Electric Industrial Co., Ltd. スピーカ装置
JP4142718B2 (ja) * 2004-09-27 2008-09-03 松下電器産業株式会社 スピーカ装置
JP4643626B2 (ja) * 2005-03-17 2011-03-02 パナソニック株式会社 スピーカ装置
EP1868409B1 (en) * 2005-03-17 2019-07-03 Panasonic Intellectual Property Management Co., Ltd. Speaker system
US20080170737A1 (en) * 2005-03-28 2008-07-17 Shuji Saiki Loudspeaker System
CN101167404B (zh) * 2005-03-28 2011-05-04 松下电器产业株式会社 扬声器装置
CN101151417B (zh) * 2005-03-30 2011-05-04 松下电器产业株式会社 吸音结构体
JP4822517B2 (ja) * 2005-05-24 2011-11-24 パナソニック株式会社 スピーカ装置
WO2007116859A1 (ja) 2006-04-03 2007-10-18 Panasonic Corporation スピーカシステム
US7930094B2 (en) 2006-09-12 2011-04-19 International Business Machines Corporation System and method for exchanging positioning information between vehicles in order to estimate road traffic
JP5075199B2 (ja) 2007-06-12 2012-11-14 パナソニック株式会社 スピーカシステム
EP2073569B1 (en) 2007-07-20 2014-05-07 Kuraray Chemical Co., Ltd. Material for speaker device and speaker device using it
US8630435B2 (en) * 2008-08-08 2014-01-14 Nokia Corporation Apparatus incorporating an adsorbent material, and methods of making same
US8292023B2 (en) * 2009-02-13 2012-10-23 Nokia Corporation Enclosing adsorbent material
WO2010108123A1 (en) * 2009-03-20 2010-09-23 Meyer Sound Laboratories, Incorporated Loudspeaker with passive low frequency directional control
US8885863B2 (en) * 2009-05-19 2014-11-11 Visionarist Co., Ltd. Loudspeaker device
EP2293592A1 (en) * 2009-09-01 2011-03-09 Nxp B.V. Acoustic material for a small loudspeaker cabinet
EP2495991A1 (en) * 2011-03-04 2012-09-05 Knowles Electronics Asia PTE. Ltd. Packaging of acoustic volume increasing materials for loudspeaker devices
JP5873963B2 (ja) 2011-04-12 2016-03-01 パナソニックＩｐマネジメント株式会社 音響スピーカー装置
US8687836B2 (en) 2012-08-31 2014-04-01 Bose Corporation Loudspeaker system
US8794373B1 (en) * 2013-03-15 2014-08-05 Bose Corporation Three-dimensional air-adsorbing structure
DE102013210696A1 (de) 2013-06-07 2014-12-11 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Akustisches System mit einem Gehäuse mit adsorbierendem Pulver
DE102013213548A1 (de) 2013-07-10 2015-01-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Schallabsorber aus Aktivkohle-Granulat
CN106664469B (zh) * 2014-08-04 2019-05-21 松下知识产权经营株式会社 扬声器系统和使用该扬声器系统的电子设备
US11037798B2 (en) 2016-11-09 2021-06-15 Tokyo Electron Limited Self-limiting cyclic etch method for carbon-based films
CN206542543U (zh) * 2017-03-01 2017-10-03 瑞声光电科技(常州)有限公司 吸声材料封装结构和扬声器箱
TWI754998B (zh) * 2020-07-22 2022-02-11 台灣立訊精密有限公司 聲學塊材的製作方法及聲學裝置
KR102857416B1 (ko) * 2020-11-27 2025-09-09 현대자동차주식회사 차량 및 그 제어방법
CN113060976B (zh) * 2021-03-26 2022-09-30 镇江贝斯特新材料有限公司 一种耐高温的吸音材料及其制备方法与应用
CN113903320A (zh) * 2021-09-29 2022-01-07 瑞声光电科技(常州)有限公司 吸音材料及应用该吸音材料的扬声器

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146871A (en) * 1983-03-02 1985-04-24 Brian Douglas Ward Constant pressure device

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2042729A1 (en) 1970-08-28 1972-03-02 Badische Anilin & Soda Fabrik AG, 6700 Ludwigshafen Oil separation from water - using porous adsorbents treated with organic silicon cpds
JPS5523039A (en) 1978-08-04 1980-02-19 Toshiba Corp Water repellent activated carbon
US4450929A (en) * 1980-05-09 1984-05-29 Marrs Ralph E Acoustic energy systems
DE3443900C2 (de) * 1984-12-01 1997-03-06 Bluecher Hubert Schutzmaterial, Verfahren zu seiner Herstellung und seine Verwendung
JPS62128909A (ja) 1985-11-30 1987-06-11 Japan Steel Works Ltd:The 活性炭成形品の製造方法
US4978650A (en) * 1988-08-15 1990-12-18 Symbiotech Incorporated Desensitizing activated carbon sorbents to the effects of humidity
FR2656972B1 (fr) * 1990-01-11 1992-05-15 Mitsubishi Pencil Co Procede de preparation d'un diaphragme entierement carbone pour equipement acoustique.
JP2810979B2 (ja) 1995-09-14 1998-10-15 工業技術院長 表面疎水性活性炭とその製造法
TW470861B (en) 1996-08-26 2002-01-01 Matsushita Electric Industrial Co Ltd Chemical adsorption film, method of manufacturing the same, and chemical absorption solution used for the same
JP3426896B2 (ja) 1997-01-31 2003-07-14 京セラ株式会社 固形状活性炭の製造方法及び電気二重層コンデンサー
US5857340A (en) * 1997-11-10 1999-01-12 Garrett; Steven L. Passive frequency stabilization in an acoustic resonator
US5997954A (en) * 1998-07-15 1999-12-07 Dow Corning Corporation Method of rendering substrates water repellent using hyperbranched polymers containing silicon atoms
US6857340B2 (en) * 1999-03-08 2005-02-22 Jjct Enterprises, Inc. Driver, fastener and forming tool
US6743516B2 (en) * 2000-09-29 2004-06-01 Guardian Industries Corporation Highly durable hydrophobic coatings and methods
JP3939101B2 (ja) * 2000-12-04 2007-07-04 株式会社荏原製作所 基板搬送方法および基板搬送容器
GB2378082B (en) * 2001-07-26 2005-03-09 Kh Technology Corp Improvements in loudspeakers
GB2391224A (en) * 2002-07-26 2004-02-04 Sutcliffe Speakman Carbons Ltd Activated carbon treated with silicon-containing compounds
US7182802B2 (en) * 2003-03-19 2007-02-27 Honeywell International, Inc. Evaporative emissions filter

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2146871A (en) * 1983-03-02 1985-04-24 Brian Douglas Ward Constant pressure device

Also Published As

Publication number Publication date
CN1535553A (zh) 2004-10-06
WO2003013183A2 (en) 2003-02-13
GB0118170D0 (en) 2001-09-19
WO2003013183A8 (en) 2003-08-07
EP1410677A2 (en) 2004-04-21
WO2003013183A3 (en) 2003-09-04
GB2378082A (en) 2003-01-29
US7448467B2 (en) 2008-11-11
JP2004537938A (ja) 2004-12-16
US20040251077A1 (en) 2004-12-16

Similar Documents

Publication Publication Date Title
GB2378082B (en) Improvements in loudspeakers
AU148910S (en) Loudspeaker
GB0014634D0 (en) Loudspeaker
GB2388272B (en) Loudspeaker
GB2403093B (en) Improvements in loudspeakers
AU2002301354A1 (en) Improvements in Transmissometers
AU2002301358A1 (en) Improvements in Transmissometers
GB0123932D0 (en) Loudspeakers
GB0007025D0 (en) Loudspeakers
GB0018831D0 (en) Loudspeaker
GB0130875D0 (en) Loudspeaker
GB0219106D0 (en) Improvements in loudspeakers
GB0120130D0 (en) Loudspeaker
GB0109684D0 (en) Earpiece
GB0130326D0 (en) Loudspeakers
GB0013137D0 (en) Loudspeaker
GB2368486B (en) Loudspeaker
GB0113481D0 (en) Loudspeakers
GB0023274D0 (en) Loudspeaker
GB0116305D0 (en) Loudspeaker
GB0117659D0 (en) Loudspeaker
GB0115244D0 (en) Loudspeaker
GB0100027D0 (en) Loudspeaker
GB0108504D0 (en) Loudspeaker
GB0110983D0 (en) Loudspeaker

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20100726