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DE69924990T2 - Akustische vorrichtung nach dem biegewellenprinzip - Google Patents

Akustische vorrichtung nach dem biegewellenprinzip Download PDF

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Publication number
DE69924990T2
DE69924990T2 DE69924990T DE69924990T DE69924990T2 DE 69924990 T2 DE69924990 T2 DE 69924990T2 DE 69924990 T DE69924990 T DE 69924990T DE 69924990 T DE69924990 T DE 69924990T DE 69924990 T2 DE69924990 T2 DE 69924990T2
Authority
DE
Germany
Prior art keywords
acoustic
acoustic device
panel
area
limiting
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
German (de)
English (en)
Other versions
DE69924990D1 (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
Application granted granted Critical
Publication of DE69924990D1 publication Critical patent/DE69924990D1/de
Publication of DE69924990T2 publication Critical patent/DE69924990T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/06Plane diaphragms comprising a plurality of sections or layers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/045Plane 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/16Mounting or tensioning of diaphragms or cones
    • H04R7/18Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/22Clamping 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)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Toys (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Ultra Sonic Daignosis Equipment (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 DE69924990D1 (de) 2005-06-02
DE69924990T2 true 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 (zh)
JP (1) JP4258696B2 (zh)
KR (1) KR20010042428A (zh)
CN (1) CN1143593C (zh)
AR (1) AR018832A1 (zh)
AT (1) ATE294492T1 (zh)
AU (1) AU746216B2 (zh)
BG (1) BG104810A (zh)
BR (1) BR9909901A (zh)
CA (1) CA2326161A1 (zh)
CO (1) CO4830489A1 (zh)
CZ (1) CZ300065B6 (zh)
DE (1) DE69924990T2 (zh)
EA (1) EA003215B1 (zh)
GB (2) GB9806994D0 (zh)
HK (1) HK1032504A1 (zh)
HU (1) HUP0102859A3 (zh)
ID (1) ID27055A (zh)
IL (1) IL138312A0 (zh)
NO (1) NO20004921L (zh)
NZ (1) NZ506731A (zh)
PL (1) PL343115A1 (zh)
SK (1) SK14552000A3 (zh)
TR (1) TR200002878T2 (zh)
TW (1) TW475340B (zh)
WO (1) WO1999052324A1 (zh)
ZA (1) ZA200004746B (zh)

Families Citing this family (41)

* 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
US7257971B2 (en) 2000-07-31 2007-08-21 Autronics Plastics Inc. Case with internal lock
DE19955867A1 (de) * 1999-11-22 2001-06-21 Harman Audio Electronic Sys Flachlautsprecheranordnung für Tieftonwiedergabe
GB0010998D0 (en) * 2000-05-08 2000-06-28 New Transducers Ltd Acoustic device
US7155021B2 (en) * 2000-05-08 2006-12-26 Koninklijke Philips Electronics N.V. Loudspeaker having an acoustic panel and an electrical driver
US6826285B2 (en) 2000-08-03 2004-11-30 New Transducers Limited Bending wave loudspeaker
GB0018996D0 (en) * 2000-08-03 2000-09-20 New Transducers Ltd 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
WO2004088071A2 (en) 2003-03-26 2004-10-14 Autronic Plastics, Inc. Benefit denial systems for securing an asset within a container and methods of use
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
US11431312B2 (en) 2004-08-10 2022-08-30 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
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
USD544743S1 (en) 2005-09-26 2007-06-19 Autronic Plastics, Inc. Media storage case
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
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
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
WO2014025061A1 (ja) * 2012-08-10 2014-02-13 京セラ株式会社 音響発生器、音響発生装置および電子機器
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
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
WO2019200119A1 (en) 2018-04-11 2019-10-17 Bongiovi Acoustics Llc Audio enhanced hearing protection system
US10959035B2 (en) 2018-08-02 2021-03-23 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
EP0541646B1 (en) * 1990-08-04 1995-01-11 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Panel-form loudspeaker
EA002108B1 (ru) * 1995-09-02 2001-12-24 Нью Трэнсдьюсерз Лимитед Громкоговоритель, содержащий панелеобразный звукоизлучающий элемент
CZ58298A3 (cs) * 1995-09-02 1998-07-15 New Transducers Limited Reproduktory opatřené panelovými akustickými vyzařovacími prvky
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
SK14552000A3 (sk) 2001-05-10
NZ506731A (en) 2003-02-28
HUP0102859A3 (en) 2003-03-28
GB2350008B (en) 2001-05-02
CA2326161A1 (en) 1999-10-14
NO20004921L (no) 2000-11-28
HUP0102859A2 (hu) 2001-12-28
AU746216B2 (en) 2002-04-18
KR20010042428A (ko) 2001-05-25
NO20004921D0 (no) 2000-09-29
PL343115A1 (en) 2001-07-30
EA200001016A1 (ru) 2001-02-26
DE69924990D1 (de) 2005-06-02
GB0020986D0 (en) 2000-10-11
CZ300065B6 (cs) 2009-01-21
CO4830489A1 (es) 1999-08-30
ID27055A (id) 2001-02-22
JP4258696B2 (ja) 2009-04-30
TW475340B (en) 2002-02-01
CZ20003591A3 (cs) 2001-01-17
WO1999052324A1 (en) 1999-10-14
CN1296720A (zh) 2001-05-23
BR9909901A (pt) 2000-12-26
EP1068770B1 (en) 2005-04-27
JP2002511682A (ja) 2002-04-16
AU2947199A (en) 1999-10-25
IL138312A0 (en) 2001-10-31
GB2350008A (en) 2000-11-15
ATE294492T1 (de) 2005-05-15
BG104810A (bg) 2001-07-31
EP1068770A1 (en) 2001-01-17
GB9806994D0 (en) 1998-06-03
TR200002878T2 (tr) 2001-01-22
EA003215B1 (ru) 2003-02-27
ZA200004746B (en) 2001-06-27
AR018832A1 (es) 2001-12-12
HK1032504A1 (en) 2001-07-20
CN1143593C (zh) 2004-03-24

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