DE69924990D1 - Akustische vorrichtung nach dem biegewellenprinzip - Google Patents

Akustische vorrichtung nach dem biegewellenprinzip

Info

Publication number
DE69924990D1
DE69924990D1 DE69924990T DE69924990T DE69924990D1 DE 69924990 D1 DE69924990 D1 DE 69924990D1 DE 69924990 T DE69924990 T DE 69924990T DE 69924990 T DE69924990 T DE 69924990T DE 69924990 D1 DE69924990 D1 DE 69924990D1
Authority
DE
Germany
Prior art keywords
acoustic device
bow wave
wave principle
principle
bow
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 - Lifetime
Application number
DE69924990T
Other languages
English (en)
Other versions
DE69924990T2 (de
Inventor
Henry Azima
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 DE69924990D1 publication Critical patent/DE69924990D1/de
Application granted granted Critical
Publication of DE69924990T2 publication Critical patent/DE69924990T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R7/06—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
    • H04R7/04—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
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22—Clamping rim of diaphragm or cone against seating

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Toys (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
DE69924990T 1998-04-02 1999-03-30 Akustische vorrichtung nach dem biegewellenprinzip Expired - Lifetime DE69924990T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9806994.1A GB9806994D0 (en) 1998-04-02 1998-04-02 Acoustic device
GB9806994 1998-04-02
PCT/GB1999/000848 WO1999052324A1 (en) 1998-04-02 1999-03-30 Acoustic device relying on bending wave action

Publications (2)

Publication Number Publication Date
DE69924990D1 true DE69924990D1 (de) 2005-06-02
DE69924990T2 DE69924990T2 (de) 2006-02-23

Family

ID=10829678

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69924990T Expired - Lifetime DE69924990T2 (de) 1998-04-02 1999-03-30 Akustische vorrichtung nach dem biegewellenprinzip

Country Status (27)

Country Link
EP (1) EP1068770B1 (de)
JP (1) JP4258696B2 (de)
KR (1) KR20010042428A (de)
CN (1) CN1143593C (de)
AR (1) AR018832A1 (de)
AT (1) ATE294492T1 (de)
AU (1) AU746216B2 (de)
BG (1) BG104810A (de)
BR (1) BR9909901A (de)
CA (1) CA2326161A1 (de)
CO (1) CO4830489A1 (de)
CZ (1) CZ300065B6 (de)
DE (1) DE69924990T2 (de)
EA (1) EA003215B1 (de)
GB (2) GB9806994D0 (de)
HK (1) HK1032504A1 (de)
HU (1) HUP0102859A3 (de)
ID (1) ID27055A (de)
IL (1) IL138312A0 (de)
NO (1) NO20004921L (de)
NZ (1) NZ506731A (de)
PL (1) PL343115A1 (de)
SK (1) SK14552000A3 (de)
TR (1) TR200002878T2 (de)
TW (1) TW475340B (de)
WO (1) WO1999052324A1 (de)
ZA (1) ZA200004746B (de)

Families Citing this family (38)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19922395C1 (de) * 1999-05-14 2001-01-11 Harman Audio Electronic Sys Deckenelement
DE19955867A1 (de) * 1999-11-22 2001-06-21 Harman Audio Electronic Sys Flachlautsprecheranordnung für Tieftonwiedergabe
TW498698B (en) * 2000-05-08 2002-08-11 Koninkl Philips Electronics Nv Loudspeaker having an acoustic panel and an electrical driver
GB0010998D0 (en) * 2000-05-08 2000-06-28 New Transducers Ltd Acoustic device
GB0018996D0 (en) * 2000-08-03 2000-09-20 New Transducers Ltd Bending wave loudspeaker
US6826285B2 (en) 2000-08-03 2004-11-30 New Transducers Limited Bending wave loudspeaker
DE10058102C2 (de) * 2000-11-23 2003-07-03 Harman Audio Electronic Sys Elektrodynamischer Biegemomententreiber
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US6983819B2 (en) 2002-04-02 2006-01-10 Awi Licensing Company Entertainment sound panels
SE523321C2 (sv) * 2002-06-20 2004-04-13 Covial Device Ab Sätt och anordning för avkänning och indikering av akustisk emission
US8054194B2 (en) 2003-02-10 2011-11-08 Autronic Plastics, Inc. System and method for verifying a security status of a lockable container
GB0405475D0 (en) * 2004-03-11 2004-04-21 New Transducers Ltd Loudspeakers
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating a head related audio transfer function
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US9154885B2 (en) 2012-08-10 2015-10-06 Kyocera Corporation Sound generator, sound generation device, and electronic apparatus
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
GB2551723B (en) * 2016-06-27 2018-11-28 Amina Tech Limited Speaker Panel
GB2560878B (en) 2017-02-24 2021-10-27 Google Llc A panel loudspeaker controller and a panel loudspeaker
JP2021521700A (ja) 2018-04-11 2021-08-26 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー オーディオ強化聴力保護システム
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
CN117761165B (zh) * 2024-02-22 2024-05-03 中国石油大学(华东) 一种基于电磁超声阵列扭转导波的管道裂纹定位方法

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
DE1132593B (de) * 1965-04-05 1962-07-05 Bolt Beranek & Newman Akustisch wirksame Platte, insbesondere zur Ankopplung an einen elektroakustischen Wandler
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
ES2131953T3 (es) * 1995-09-02 1999-08-01 New Transducers Ltd Altavoces que estan compuestos por elementos de radiacion acustica con forma de panel.
ES2131957T3 (es) * 1995-09-02 1999-08-01 New Transducers Ltd Altavoces que estan compuestos por elementos de radiacion acustica en forma de panel.
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
GB9704486D0 (en) * 1997-03-04 1997-04-23 New Transducers Ltd Acoustic devices etc
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip

Also Published As

Publication number Publication date
BR9909901A (pt) 2000-12-26
EP1068770A1 (de) 2001-01-17
CZ300065B6 (cs) 2009-01-21
JP4258696B2 (ja) 2009-04-30
NO20004921L (no) 2000-11-28
EA003215B1 (ru) 2003-02-27
TR200002878T2 (tr) 2001-01-22
AR018832A1 (es) 2001-12-12
CA2326161A1 (en) 1999-10-14
SK14552000A3 (sk) 2001-05-10
KR20010042428A (ko) 2001-05-25
GB2350008A (en) 2000-11-15
CZ20003591A3 (cs) 2001-01-17
ATE294492T1 (de) 2005-05-15
NO20004921D0 (no) 2000-09-29
GB2350008B (en) 2001-05-02
DE69924990T2 (de) 2006-02-23
BG104810A (bg) 2001-07-31
AU746216B2 (en) 2002-04-18
PL343115A1 (en) 2001-07-30
CN1296720A (zh) 2001-05-23
HUP0102859A2 (hu) 2001-12-28
HK1032504A1 (en) 2001-07-20
IL138312A0 (en) 2001-10-31
CN1143593C (zh) 2004-03-24
TW475340B (en) 2002-02-01
AU2947199A (en) 1999-10-25
HUP0102859A3 (en) 2003-03-28
ZA200004746B (en) 2001-06-27
EA200001016A1 (ru) 2001-02-26
GB0020986D0 (en) 2000-10-11
CO4830489A1 (es) 1999-08-30
JP2002511682A (ja) 2002-04-16
WO1999052324A1 (en) 1999-10-14
NZ506731A (en) 2003-02-28
ID27055A (id) 2001-02-22
GB9806994D0 (en) 1998-06-03
EP1068770B1 (de) 2005-04-27

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Legal Events

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