AU2003234023A1 - Improvements in loudspeakers - Google Patents

Improvements in loudspeakers

Info

Publication number
AU2003234023A1
AU2003234023A1 AU2003234023A AU2003234023A AU2003234023A1 AU 2003234023 A1 AU2003234023 A1 AU 2003234023A1 AU 2003234023 A AU2003234023 A AU 2003234023A AU 2003234023 A AU2003234023 A AU 2003234023A AU 2003234023 A1 AU2003234023 A1 AU 2003234023A1
Authority
AU
Australia
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.)
Abandoned
Application number
AU2003234023A
Inventor
Mark Alexander Dodd
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
Publication of AU2003234023A1 publication Critical patent/AU2003234023A1/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 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2869—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself
    • H04R1/2876—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding
    • H04R1/288—Reduction of undesired resonances, i.e. standing waves within enclosure, or of undesired vibrations, i.e. of the enclosure itself by means of damping material, e.g. as cladding for loudspeaker transducers
AU2003234023A 2002-05-24 2003-05-23 Improvements in loudspeakers Abandoned AU2003234023A1 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GB0211977A GB0211977D0 (en) 2002-05-24 2002-05-24 Improvements in loudspeakers
GB0211977.4 2002-05-24
PCT/GB2003/002243 WO2003101147A1 (en) 2002-05-24 2003-05-23 Improvements in loudspeakers

Publications (1)

Publication Number Publication Date
AU2003234023A1 true AU2003234023A1 (en) 2003-12-12

Family

ID=9937345

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2003234023A Abandoned AU2003234023A1 (en) 2002-05-24 2003-05-23 Improvements in loudspeakers

Country Status (3)

Country Link
AU (1) AU2003234023A1 (en)
GB (2) GB0211977D0 (en)
WO (1) WO2003101147A1 (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1868409B1 (en) * 2005-03-17 2019-07-03 Panasonic Intellectual Property Management Co., Ltd. Speaker system
WO2009014015A1 (en) 2007-07-20 2009-01-29 Kuraray Chemical Co., Ltd. Material for speaker device and speaker device using it
JP4989342B2 (en) * 2007-07-20 2012-08-01 クラレケミカル株式会社 Speaker device material and speaker device using the same
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
US9430998B2 (en) 2010-06-01 2016-08-30 Nokia Technologies Oy Radio apparatus comprising an agglomeration of acoustically adsorbing members
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
CN104581499A (en) * 2013-10-23 2015-04-29 宏碁股份有限公司 Loudspeaker box structure

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2797766A (en) * 1953-10-20 1957-07-02 David Bogen & Company Inc Louid speaker
US3302748A (en) * 1963-04-11 1967-02-07 Prentiss B Reed Loudspeaker system
WO1984003600A1 (en) * 1983-03-02 1984-09-13 Brian Douglas Ward Constant pressure device
JPH09225299A (en) * 1996-02-28 1997-09-02 Toyota Motor Corp Activated carbon

Also Published As

Publication number Publication date
GB2403093B (en) 2005-06-15
WO2003101147A1 (en) 2003-12-04
GB0423588D0 (en) 2004-11-24
GB0211977D0 (en) 2002-07-03
GB2403093A (en) 2004-12-22

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase