AU2001270877A1 - Acoustic structures - Google Patents

Acoustic structures

Info

Publication number
AU2001270877A1
AU2001270877A1 AU2001270877A AU7087701A AU2001270877A1 AU 2001270877 A1 AU2001270877 A1 AU 2001270877A1 AU 2001270877 A AU2001270877 A AU 2001270877A AU 7087701 A AU7087701 A AU 7087701A AU 2001270877 A1 AU2001270877 A1 AU 2001270877A1
Authority
AU
Australia
Prior art keywords
acoustic structures
acoustic
structures
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.)
Abandoned
Application number
AU2001270877A
Other languages
English (en)
Inventor
Stuart Michael Nevill
Morten Villiers Warren
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.)
B&W Loudspeakers Ltd
Original Assignee
B&W Loudspeakers 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.)
Filing date
Publication date
Application filed by B&W Loudspeakers Ltd filed Critical B&W Loudspeakers Ltd
Publication of AU2001270877A1 publication Critical patent/AU2001270877A1/en
Abandoned 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 
    • H04R1/30—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
    • 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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges
    • 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
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2853—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line
    • H04R1/2857—Enclosures comprising vibrating or resonating arrangements using an acoustic labyrinth or a transmission line for loudspeaker transducers

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Building Environments (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AU2001270877A 2000-07-21 2001-07-21 Acoustic structures Abandoned AU2001270877A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0017995.2 2000-07-21
GB0017995A GB2365250C (en) 2000-07-21 2000-07-21 Acoustic structures
PCT/GB2001/003249 WO2002009486A2 (en) 2000-07-21 2001-07-21 Acoustic structures

Publications (1)

Publication Number Publication Date
AU2001270877A1 true AU2001270877A1 (en) 2002-02-05

Family

ID=9896138

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2001270877A Abandoned AU2001270877A1 (en) 2000-07-21 2001-07-21 Acoustic structures

Country Status (7)

Country Link
US (1) US6896096B2 (zh)
EP (1) EP1304015A2 (zh)
AU (1) AU2001270877A1 (zh)
GB (1) GB2365250C (zh)
HK (1) HK1043468A1 (zh)
TW (1) TW535451B (zh)
WO (1) WO2002009486A2 (zh)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2380091B (en) * 2001-09-21 2005-03-30 B & W Loudspeakers Loudspeaker system
FR2837343A1 (fr) * 2002-03-13 2003-09-19 Cabasse Enceinte acoustique, coffret et procede de fabrication correspondants
US6913110B1 (en) 2002-08-05 2005-07-05 Southern California Sound Image Lightweight speaker enclosure
US20070076912A1 (en) * 2005-09-30 2007-04-05 Griffiths Richard D Audio speaker enclosures
CN200969675Y (zh) * 2006-08-09 2007-10-31 封燕鸣 一种开放式发音装置
GB201106162D0 (en) * 2011-04-12 2011-05-25 Absynth Biologics Ltd Combination vaccine
GB2515098B (en) * 2013-06-14 2016-02-03 Jaguar Land Rover Ltd Speaker device
KR101515618B1 (ko) * 2014-03-20 2015-04-28 김태형 래티스 타입 스피커, 및 이를 구비한 래티스 어레이 스피커 시스템
GB2533298B (en) * 2014-12-15 2017-06-07 Jaguar Land Rover Ltd Acoustic baffle
CN107580784B (zh) * 2015-10-14 2019-12-13 克拉瑞迪音频有限公司 层压玻璃和层压丙烯酸扬声器箱体
US10873812B2 (en) 2017-02-09 2020-12-22 The University Of Sussex Acoustic wave manipulation by means of a time delay array
GB201905258D0 (en) * 2019-04-12 2019-05-29 Univ Of Sussex acoustic metamaterial systems
US11818536B2 (en) * 2020-11-18 2023-11-14 Shure Acquisition Holdings, Inc. Audio devices having low-frequency extension filter

Family Cites Families (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB590541A (en) * 1944-04-04 1947-07-21 Arthur John King Improvements in sound-absorbent structures
US2031500A (en) 1934-09-17 1936-02-18 Stromberg Carlson Telephone Sound reproducing system
GB483745A (en) 1936-10-28 1938-04-26 Murphy Radio Ltd Improvements in cabinets for sound reproducing instruments
GB656732A (en) * 1949-04-21 1951-08-29 John Forrester Improvements in or relating to loud speakers
GB793193A (en) 1955-02-17 1958-04-09 Pye Ltd An improved acoustic enclosure for loudspeakers
US2866514A (en) 1955-04-27 1958-12-30 Weathers Paul Corrective loud speaker enclosure
US3696886A (en) 1968-05-03 1972-10-10 James C Armstrong Speaker cabinet enclosure and method of tuning thereof
US3953675A (en) * 1972-05-08 1976-04-27 Babbco, Ltd. Audio speaker system
HU171882B (hu) 1975-10-22 1978-04-28 Elektroakusztikai Gyar Napravlennyj ehlektroakusticheskij preobrazovatel', glavnym obrazom kardioidnyj zvukovoj izluchatel'
US4168761A (en) * 1976-09-03 1979-09-25 George Pappanikolaou Symmetrical air friction enclosure for speakers
US4283606A (en) 1979-07-16 1981-08-11 Cerwin Vega, Inc. Coaxial loudspeaker system
JPS57155894A (en) * 1981-03-20 1982-09-27 Matsushita Electric Ind Co Ltd Speaker system
JPS57194700A (en) * 1981-05-27 1982-11-30 Matsushita Electric Ind Co Ltd Speaker box
DE3565568D1 (en) 1984-02-29 1988-11-17 Fokker Aircraft Sound attenuating structure
GB8503389D0 (en) * 1985-02-09 1985-03-13 B & W Loudspeakers Loudspeaker enclosures
GB2184323A (en) 1985-12-12 1987-06-17 Midlen Trading Corp Loudspeaker system
GB8817669D0 (en) * 1988-07-25 1988-09-01 Short Brothers Ltd Means for attenuating sound energy
FR2653630B1 (fr) * 1989-10-23 1994-01-14 Di Carlo Gilles Scotto Structure d'enceinte acoustique.
US5092424A (en) 1990-12-03 1992-03-03 Bose Corporation Electroacoustical transducing with at least three cascaded subchambers
WO1993012637A1 (en) * 1991-12-12 1993-06-24 Blakeslee Thomas R Changeable art loudspeaker
US5689573A (en) 1992-01-07 1997-11-18 Boston Acoustics, Inc. Frequency-dependent amplitude modification devices for acoustic sources
FR2688971A1 (fr) * 1992-03-17 1993-09-24 Almonacid Thyerrie Coffrets d'enceintes acoustiques a haute rigidite specifique.
GB9207882D0 (en) 1992-04-10 1992-05-27 Celestion Int Ltd Loudspeakers
JP3148520B2 (ja) * 1994-06-06 2001-03-19 株式会社ケンウッド スピーカ構造
US5923003A (en) * 1996-09-09 1999-07-13 Northrop Grumman Corporation Extended reaction acoustic liner for jet engines and the like
GB2320393A (en) 1996-12-11 1998-06-17 Secr Defence Panel form loudspeaker
USD453016S1 (en) * 2000-07-20 2002-01-22 B & W Loudspeakers Limited Loudspeaker unit
GB2368484B (en) * 2000-10-25 2004-06-16 B & W Loudspeakers Distributed mode panel type loudspeakers
GB2380091B (en) * 2001-09-21 2005-03-30 B & W Loudspeakers Loudspeaker system

Also Published As

Publication number Publication date
TW535451B (en) 2003-06-01
GB2365250B (en) 2004-06-16
HK1043468A1 (en) 2002-09-13
GB2365250A (en) 2002-02-13
GB0017995D0 (en) 2000-09-13
EP1304015A2 (en) 2003-04-23
WO2002009486A3 (en) 2002-12-27
WO2002009486A2 (en) 2002-01-31
US6896096B2 (en) 2005-05-24
GB2365250C (en) 2005-04-04
US20030161495A1 (en) 2003-08-28

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