AU5089600A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
AU5089600A
AU5089600A AU50896/00A AU5089600A AU5089600A AU 5089600 A AU5089600 A AU 5089600A AU 50896/00 A AU50896/00 A AU 50896/00A AU 5089600 A AU5089600 A AU 5089600A AU 5089600 A AU5089600 A AU 5089600A
Authority
AU
Australia
Prior art keywords
acoustic device
acoustic
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
AU50896/00A
Inventor
Graham Bank
Neil Harris
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 AU5089600A publication Critical patent/AU5089600A/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
    • 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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
AU50896/00A 1999-06-10 2000-06-07 Acoustic device Abandoned AU5089600A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9913465.2A GB9913465D0 (en) 1999-06-10 1999-06-10 Acoustic device
GB9913465 1999-06-10
PCT/GB2000/002054 WO2000078090A2 (en) 1999-06-10 2000-06-07 Bending wave acoustic device

Publications (1)

Publication Number Publication Date
AU5089600A true AU5089600A (en) 2001-01-02

Family

ID=10855054

Family Applications (1)

Application Number Title Priority Date Filing Date
AU50896/00A Abandoned AU5089600A (en) 1999-06-10 2000-06-07 Acoustic device

Country Status (10)

Country Link
EP (1) EP1186203B1 (en)
JP (1) JP2003501982A (en)
CN (1) CN1261002C (en)
AU (1) AU5089600A (en)
DE (1) DE60004045T2 (en)
GB (1) GB9913465D0 (en)
HK (1) HK1040875B (en)
NZ (1) NZ515328A (en)
TW (1) TW479434B (en)
WO (1) WO2000078090A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2386790B (en) * 2001-03-23 2004-08-18 New Transducers Ltd Bending wave acoustic radiator
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
GB0123932D0 (en) * 2001-10-05 2001-11-28 New Transducers Ltd Loudspeakers
GB0317331D0 (en) * 2003-07-24 2003-08-27 New Transducers Ltd Acoustic device
JP5545083B2 (en) * 2010-07-07 2014-07-09 ソニー株式会社 Speaker device
WO2016044361A1 (en) * 2014-09-19 2016-03-24 Corning Incorporated Thin panel loudspeakers

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1132593B (en) * 1965-04-05 1962-07-05 Bolt Beranek & Newman Acoustically effective plate, especially for coupling to an electroacoustic transducer
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
TW450011B (en) * 1998-02-10 2001-08-11 New Transducers Ltd Acoustic devices

Also Published As

Publication number Publication date
CN1356015A (en) 2002-06-26
CN1261002C (en) 2006-06-21
NZ515328A (en) 2002-04-26
EP1186203A2 (en) 2002-03-13
GB9913465D0 (en) 1999-08-11
TW479434B (en) 2002-03-11
JP2003501982A (en) 2003-01-14
DE60004045D1 (en) 2003-08-28
EP1186203B1 (en) 2003-07-23
HK1040875B (en) 2003-10-17
DE60004045T2 (en) 2004-05-06
HK1040875A1 (en) 2002-06-21
WO2000078090A3 (en) 2001-07-12
WO2000078090A2 (en) 2000-12-21

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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