GB9911271D0 - Acoustic device - Google Patents

Acoustic device

Info

Publication number
GB9911271D0
GB9911271D0 GBGB9911271.6A GB9911271A GB9911271D0 GB 9911271 D0 GB9911271 D0 GB 9911271D0 GB 9911271 A GB9911271 A GB 9911271A GB 9911271 D0 GB9911271 D0 GB 9911271D0
Authority
GB
United Kingdom
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.)
Ceased
Application number
GBGB9911271.6A
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
Priority to GBGB9911271.6A priority Critical patent/GB9911271D0/en
Publication of GB9911271D0 publication Critical patent/GB9911271D0/en
Priority to NZ514593A priority patent/NZ514593A/en
Priority to EP00927539A priority patent/EP1179284A2/en
Priority to CN00807604.9A priority patent/CN1350765A/en
Priority to IL14598500A priority patent/IL145985A0/en
Priority to AU45933/00A priority patent/AU4593300A/en
Priority to JP2000619235A priority patent/JP2003500915A/en
Priority to PCT/GB2000/001751 priority patent/WO2000070909A2/en
Priority to TW089109467A priority patent/TW479438B/en
Ceased 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)
GBGB9911271.6A 1999-05-15 1999-05-15 Acoustic device Ceased GB9911271D0 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
GBGB9911271.6A GB9911271D0 (en) 1999-05-15 1999-05-15 Acoustic device
NZ514593A NZ514593A (en) 1999-05-15 2000-05-12 Acoustic device with transducer coupling one of groups of modes of overlapping frequencies
EP00927539A EP1179284A2 (en) 1999-05-15 2000-05-12 Bending wave acoustic device
CN00807604.9A CN1350765A (en) 1999-05-15 2000-05-12 Acoustic device
IL14598500A IL145985A0 (en) 1999-05-15 2000-05-12 Bending wave acoustic device
AU45933/00A AU4593300A (en) 1999-05-15 2000-05-12 Acoustic device
JP2000619235A JP2003500915A (en) 1999-05-15 2000-05-12 Sound equipment
PCT/GB2000/001751 WO2000070909A2 (en) 1999-05-15 2000-05-12 Bending wave acoustic device
TW089109467A TW479438B (en) 1999-05-15 2000-05-17 Acoustic device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9911271.6A GB9911271D0 (en) 1999-05-15 1999-05-15 Acoustic device

Publications (1)

Publication Number Publication Date
GB9911271D0 true GB9911271D0 (en) 1999-07-14

Family

ID=10853496

Family Applications (1)

Application Number Title Priority Date Filing Date
GBGB9911271.6A Ceased GB9911271D0 (en) 1999-05-15 1999-05-15 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
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
US20090034776A1 (en) * 2004-08-06 2009-02-05 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
JP6047575B2 (en) * 2012-08-10 2016-12-21 京セラ株式会社 SOUND GENERATOR, SOUND GENERATOR, AND ELECTRONIC DEVICE

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992003024A1 (en) * 1990-08-04 1992-02-20 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Ireland Panel-form loudspeaker
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
WO2000070909A2 (en) 2000-11-23
NZ514593A (en) 2002-09-27
EP1179284A2 (en) 2002-02-13
AU4593300A (en) 2000-12-05
TW479438B (en) 2002-03-11
WO2000070909A3 (en) 2001-02-15
JP2003500915A (en) 2003-01-07
CN1350765A (en) 2002-05-22
IL145985A0 (en) 2002-07-25

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)