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AU4593300A - Acoustic device - Google Patents

Acoustic device

Info

Publication number
AU4593300A
AU4593300A AU45933/00A AU4593300A AU4593300A AU 4593300 A AU4593300 A AU 4593300A AU 45933/00 A AU45933/00 A AU 45933/00A AU 4593300 A AU4593300 A AU 4593300A AU 4593300 A AU4593300 A AU 4593300A
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
AU45933/00A
Inventor
Henry Azima
Bijan Djahansouzi
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 AU4593300A publication Critical patent/AU4593300A/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
AU45933/00A 1999-05-15 2000-05-12 Acoustic device Abandoned AU4593300A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9911271.6A GB9911271D0 (en) 1999-05-15 1999-05-15 Acoustic device
GB9911271 1999-05-15
PCT/GB2000/001751 WO2000070909A2 (en) 1999-05-15 2000-05-12 Bending wave acoustic device

Publications (1)

Publication Number Publication Date
AU4593300A true AU4593300A (en) 2000-12-05

Family

ID=10853496

Family Applications (1)

Application Number Title Priority Date Filing Date
AU45933/00A Abandoned AU4593300A (en) 1999-05-15 2000-05-12 Acoustic device

Country Status (9)

Country Link
EP (1) EP1179284A2 (en)
JP (1) JP2003500915A (en)
CN (1) CN1350765A (en)
AU (1) AU4593300A (en)
GB (1) GB9911271D0 (en)
IL (1) IL145985A0 (en)
NZ (1) NZ514593A (en)
TW (1) TW479438B (en)
WO (1) WO2000070909A2 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1264511A1 (en) * 2001-01-26 2002-12-11 Harman Audio Electronic Systems GmbH Flat-panel loudspeaker
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
WO2002078391A2 (en) * 2001-03-23 2002-10-03 New Transducers Limited Bending wave acoustic radiator
WO2006016294A1 (en) * 2004-08-06 2006-02-16 Koninklijke Philips Electronics N.V. Panel-acoustic transducer comprising an actuator for actuating a panel, and sound-generating and/or recording device
GB0601076D0 (en) * 2006-01-19 2006-03-01 New Transducers Ltd Acoustic device and method of making acoustic device
US7983432B2 (en) * 2006-09-29 2011-07-19 Shure Acquisition Holdings, Inc. Point excitation placement in an audio transducer
CN104350766A (en) * 2012-08-10 2015-02-11 京瓷株式会社 Sound generator, sound generation device, and electronic device

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3034952B2 (en) * 1990-08-04 2000-04-17 イギリス国 Panel type speaker
UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device
GB9701983D0 (en) * 1997-01-31 1997-03-19 New Transducers Ltd Electro-dynamic exciter
GB9714050D0 (en) * 1997-07-03 1997-09-10 New Transducers Ltd Panel-form loudspeakers

Also Published As

Publication number Publication date
TW479438B (en) 2002-03-11
EP1179284A2 (en) 2002-02-13
CN1350765A (en) 2002-05-22
WO2000070909A3 (en) 2001-02-15
NZ514593A (en) 2002-09-27
GB9911271D0 (en) 1999-07-14
JP2003500915A (en) 2003-01-07
WO2000070909A2 (en) 2000-11-23
IL145985A0 (en) 2002-07-25

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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