GB2368486B - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
GB2368486B
GB2368486B GB0204303A GB0204303A GB2368486B GB 2368486 B GB2368486 B GB 2368486B GB 0204303 A GB0204303 A GB 0204303A GB 0204303 A GB0204303 A GB 0204303A GB 2368486 B GB2368486 B GB 2368486B
Authority
GB
United Kingdom
Prior art keywords
loudspeaker
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.)
Expired - Fee Related
Application number
GB0204303A
Other versions
GB2368486A (en
GB0204303D0 (en
Inventor
Graham Bank
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 GB0204303D0 publication Critical patent/GB0204303D0/en
Publication of GB2368486A publication Critical patent/GB2368486A/en
Application granted granted Critical
Publication of GB2368486B publication Critical patent/GB2368486B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
GB0204303A 2000-08-11 2001-08-06 Loudspeaker Expired - Fee Related GB2368486B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0019701A GB0019701D0 (en) 2000-08-11 2000-08-11 Loudspeaker
PCT/GB2001/003520 WO2002015638A2 (en) 2000-08-11 2001-08-06 Loudspeaker using a plurality of exciters

Publications (3)

Publication Number Publication Date
GB0204303D0 GB0204303D0 (en) 2002-04-10
GB2368486A GB2368486A (en) 2002-05-01
GB2368486B true GB2368486B (en) 2004-03-03

Family

ID=9897380

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0019701A Ceased GB0019701D0 (en) 2000-08-11 2000-08-11 Loudspeaker
GB0204303A Expired - Fee Related GB2368486B (en) 2000-08-11 2001-08-06 Loudspeaker

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GB0019701A Ceased GB0019701D0 (en) 2000-08-11 2000-08-11 Loudspeaker

Country Status (3)

Country Link
AU (1) AU2001276512A1 (en)
GB (2) GB0019701D0 (en)
WO (1) WO2002015638A2 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2427320A (en) * 2005-06-14 2006-12-20 Amina Technologies Ltd Bending wave loudspeaker driven from multiple, different sources

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1999037121A1 (en) * 1998-01-20 1999-07-22 New Transducers Limited Active acoustic devices comprising panel members
WO2000013464A1 (en) * 1998-08-28 2000-03-09 New Transducers Limited Loudspeakers comprising a resonant panel-form member
WO2000033612A2 (en) * 1998-11-30 2000-06-08 New Transducers Limited Bending wave acoustic devices

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1997009842A2 (en) * 1995-09-02 1997-03-13 New Transducers Limited Acoustic device
WO1999037121A1 (en) * 1998-01-20 1999-07-22 New Transducers Limited Active acoustic devices comprising panel members
WO2000013464A1 (en) * 1998-08-28 2000-03-09 New Transducers Limited Loudspeakers comprising a resonant panel-form member
WO2000033612A2 (en) * 1998-11-30 2000-06-08 New Transducers Limited Bending wave acoustic devices

Also Published As

Publication number Publication date
GB2368486A (en) 2002-05-01
AU2001276512A1 (en) 2002-02-25
WO2002015638A3 (en) 2002-11-14
GB0204303D0 (en) 2002-04-10
WO2002015638A2 (en) 2002-02-21
GB0019701D0 (en) 2000-09-27

Similar Documents

Publication Publication Date Title
EP1229759A4 (en) Speaker
EP1250025A4 (en) Headphone
GB0014634D0 (en) Loudspeaker
GB0007866D0 (en) Deformable loudspeaker
HK1054483A1 (en) Loudspeakers
AU148910S (en) Loudspeaker
EP1233646A4 (en) Speaker
GB0018831D0 (en) Loudspeaker
GB0007025D0 (en) Loudspeakers
GB0130875D0 (en) Loudspeaker
HK1049940B (en) Loudspeaker device
GB0013137D0 (en) Loudspeaker
GB0120130D0 (en) Loudspeaker
GB0130326D0 (en) Loudspeakers
GB2368486B (en) Loudspeaker
GB0013317D0 (en) Loudspeakers
GB0121767D0 (en) Loudspeaker
GB0023274D0 (en) Loudspeaker
HK1039242A1 (en) Loudspeaker
CA89298S (en) Speaker
GB0003883D0 (en) Loudspeakers
GB0017661D0 (en) Loudspeakers
GB0027450D0 (en) Loudspeakers
GB0022167D0 (en) Earpiece
TW453606U (en) Ear-wearing type microphone

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20050806