AU2003234023A1 - Improvements in loudspeakers - Google Patents

Improvements in loudspeakers

Info

Publication number: AU2003234023A1
Authority: AU; Australia
Prior art keywords: loudspeakers
Prior art date: 2002-05-24
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.)

2002-05-24

Filing date

2003-05-23

Publication date

2003-12-12

2003-05-23 Application filed by KH Technology Corp filed Critical KH Technology Corp

2003-12-12 Publication of AU2003234023A1 publication Critical patent/AU2003234023A1/en

Status Abandoned legal-status Critical Current

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

Landscapes

Health & Medical Sciences (AREA)
Otolaryngology (AREA)
Physics & Mathematics (AREA)
Engineering & Computer Science (AREA)
Acoustics & Sound (AREA)
Signal Processing (AREA)
Separation Of Gases By Adsorption (AREA)
Details Of Audible-Bandwidth Transducers (AREA)

AU2003234023A 2002-05-24 2003-05-23 Improvements in loudspeakers Abandoned AU2003234023A1 (en)

Applications Claiming Priority (3)

Application Number	Priority Date	Filing Date	Title
GB0211977.4		2002-05-24
GB0211977A GB0211977D0 (en)	2002-05-24	2002-05-24	Improvements in loudspeakers
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
EP2577985B1 (en)	2010-06-01	2019-05-15	Nokia Technologies Oy	Radio apparatus comprising an agglomeration of adsorbing members and corresponding method
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	Speaker 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

2002
- 2002-05-24 GB GB0211977A patent/GB0211977D0/en not_active Ceased
2003
- 2003-05-23 AU AU2003234023A patent/AU2003234023A1/en not_active Abandoned
- 2003-05-23 WO PCT/GB2003/002243 patent/WO2003101147A1/en not_active Ceased
- 2003-05-23 GB GB0423588A patent/GB2403093B/en not_active Expired - Fee Related

Also Published As

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

Publication	Publication Date	Title
AU2003262722A1 (en)	2004-03-03	Subwoofer
AU2003239909A1 (en)	2004-05-25	Enhanced-service provision
AU2002313267A1 (en)	2004-01-19	Loudspeaker edge
AU2003228820A1 (en)	2003-11-17	Electro-dynamic planar loudspeakers
AU2003294726A1 (en)	2004-06-18	Window-winding arrangement
AUPS198302A0 (en)	2002-06-06	Improvements in bowsprits
AU2003234023A1 (en)	2003-12-12	Improvements in loudspeakers
AU2003285696A1 (en)	2004-08-10	Loudspeaker
AU2003269151A1 (en)	2004-04-08	Loudspeaker
AU2003243065A1 (en)	2003-12-02	Grin-lens arrangement
GB0219106D0 (en)	2002-09-25	Improvements in loudspeakers
GB2386026B (en)	2005-06-08	Loudspeaker
HK1080670A (en)	2006-04-28	Loudspeaker
GB0202118D0 (en)	2002-03-20	Electrodynamical loudspeaker
AU2002951443A0 (en)	2002-10-03	Planar loudspeakers
AU2002100026A4 (en)	2002-02-07	Disc400
AU2002100468A4 (en)	2002-11-14	Flexi-edger
AU2002100541A4 (en)	2003-07-03	Backmate
AU2002100602A4 (en)	2002-11-28	Bonsystem
AU2002100510A4 (en)	2002-11-21	Bottlenecker
AU2002100508A4 (en)	2002-11-14	Photocard
AU2002100498A4 (en)	2002-11-21	Linline
AU2002100482A4 (en)	2002-10-31	Tail-gate-ezy
AU2002100655A4 (en)	2003-05-22	Armamulch
AU2002100739A4 (en)	2002-12-12	Neuramax

Legal Events

Date	Code	Title	Description
2005-02-10	MK6	Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase