AU4581500A - Loudspeakers - Google Patents

Loudspeakers

Info

Publication number
AU4581500A
AU4581500A AU45815/00A AU4581500A AU4581500A AU 4581500 A AU4581500 A AU 4581500A AU 45815/00 A AU45815/00 A AU 45815/00A AU 4581500 A AU4581500 A AU 4581500A AU 4581500 A AU4581500 A AU 4581500A
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
AU45815/00A
Inventor
Graham Bank
Julian Fordham
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.)
NVF Tech Ltd
Original Assignee
New Transducers 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 New Transducers Ltd filed Critical New Transducers Ltd
Publication of AU4581500A publication Critical patent/AU4581500A/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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/06—Loudspeakers
    • H04R9/066—Loudspeakers using the principle of inertia
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/127—Non-planar diaphragms or cones dome-shaped
    • 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
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • 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
    • H04R7/12—Non-planar diaphragms or cones
    • H04R7/122—Non-planar diaphragms or cones comprising a plurality of sections or layers
AU45815/00A 1999-04-27 2000-04-27 Loudspeakers Abandoned AU4581500A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9909535.8A GB9909535D0 (en) 1999-04-27 1999-04-27 Loudspeakers
GB9909535 1999-04-27
PCT/GB2000/001459 WO2000065869A2 (en) 1999-04-27 2000-04-27 Bending-wave panel loudspeakers

Publications (1)

Publication Number Publication Date
AU4581500A true AU4581500A (en) 2000-11-10

Family

ID=10852249

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45815/00A Abandoned AU4581500A (en) 1999-04-27 2000-04-27 Loudspeakers

Country Status (8)

Country Link
EP (1) EP1174001B1 (en)
JP (1) JP2002543702A (en)
CN (1) CN1343437A (en)
AU (1) AU4581500A (en)
DE (1) DE60004813T2 (en)
GB (1) GB9909535D0 (en)
TW (1) TW484337B (en)
WO (1) WO2000065869A2 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6839444B2 (en) 2000-11-30 2005-01-04 New Transducers Limited Loudspeakers
GB0029098D0 (en) * 2000-11-30 2001-01-10 New Transducers Ltd Vibration transducer
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
US8903118B2 (en) * 2007-08-29 2014-12-02 Toa Corporation Diaphragm and speaker
GB2539029B (en) * 2015-06-04 2017-06-07 Amina Tech Ltd Distributed mode loudspeaker damping oscillations within exciter feet

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3521845A1 (en) * 1985-06-19 1987-01-02 Martin Stute Electrodynamic loudspeaker
JPH03145900A (en) * 1989-11-01 1991-06-21 Yamaha Corp Diaphragm for speaker
US5259036A (en) * 1991-07-22 1993-11-02 Shure Brothers, Inc. Diaphragm for dynamic microphones and methods of manufacturing the same
GB9714050D0 (en) * 1997-07-03 1997-09-10 New Transducers Ltd Panel-form loudspeakers
GB9718878D0 (en) * 1997-09-06 1997-11-12 New Transducers Ltd Vibration Transducer

Also Published As

Publication number Publication date
EP1174001A2 (en) 2002-01-23
DE60004813D1 (en) 2003-10-02
CN1343437A (en) 2002-04-03
TW484337B (en) 2002-04-21
WO2000065869A2 (en) 2000-11-02
WO2000065869A3 (en) 2001-02-01
DE60004813T2 (en) 2004-07-08
JP2002543702A (en) 2002-12-17
GB9909535D0 (en) 1999-06-23
EP1174001B1 (en) 2003-08-27

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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