NO20004921L - Akustisk innretning - Google Patents

Akustisk innretning

Info

Publication number
NO20004921L
NO20004921L NO20004921A NO20004921A NO20004921L NO 20004921 L NO20004921 L NO 20004921L NO 20004921 A NO20004921 A NO 20004921A NO 20004921 A NO20004921 A NO 20004921A NO 20004921 L NO20004921 L NO 20004921L
Authority
NO
Norway
Prior art keywords
oscillations
acoustic device
clamping
active
plate
Prior art date
Application number
NO20004921A
Other languages
English (en)
Norwegian (no)
Other versions
NO20004921D0 (no
Inventor
Henry Azima
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 NO20004921D0 publication Critical patent/NO20004921D0/no
Publication of NO20004921L publication Critical patent/NO20004921L/no

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; 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)
  • Ultra Sonic Daignosis Equipment (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Toys (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
NO20004921A 1998-04-02 2000-09-29 Akustisk innretning NO20004921L (no)

Applications Claiming Priority (2)

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

Publications (2)

Publication Number Publication Date
NO20004921D0 NO20004921D0 (no) 2000-09-29
NO20004921L true NO20004921L (no) 2000-11-28

Family

ID=10829678

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20004921A NO20004921L (no) 1998-04-02 2000-09-29 Akustisk innretning

Country Status (26)

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)
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 (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
TW498698B (en) * 2000-05-08 2002-08-11 Koninkl Philips Electronics Nv Loudspeaker having an acoustic panel and an electrical driver
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
AU2004225488B2 (en) 2003-03-26 2009-04-23 Autronic Plastics, Inc. Denial system 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
US10158337B2 (en) 2004-08-10 2018-12-18 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
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
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
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
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
JP2018537910A (ja) 2015-11-16 2018-12-20 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 表面音響変換器
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
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
CA2230702A1 (en) * 1995-09-02 1997-03-13 Verity Group Plc Loudspeakers comprising panel-form acoustic radiating elements
IL123487A (en) * 1995-09-02 2001-11-25 New Transducers Ltd Loudspeakers comprising panel-form acoustic radiating elements
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
ATE294492T1 (de) 2005-05-15
IL138312A0 (en) 2001-10-31
WO1999052324A1 (en) 1999-10-14
GB2350008A (en) 2000-11-15
CO4830489A1 (es) 1999-08-30
GB0020986D0 (en) 2000-10-11
PL343115A1 (en) 2001-07-30
NZ506731A (en) 2003-02-28
JP2002511682A (ja) 2002-04-16
HUP0102859A3 (en) 2003-03-28
BR9909901A (pt) 2000-12-26
AU2947199A (en) 1999-10-25
AU746216B2 (en) 2002-04-18
TW475340B (en) 2002-02-01
BG104810A (bg) 2001-07-31
SK14552000A3 (sk) 2001-05-10
CN1143593C (zh) 2004-03-24
GB9806994D0 (en) 1998-06-03
ID27055A (id) 2001-02-22
CZ300065B6 (cs) 2009-01-21
AR018832A1 (es) 2001-12-12
EP1068770B1 (de) 2005-04-27
CN1296720A (zh) 2001-05-23
JP4258696B2 (ja) 2009-04-30
DE69924990T2 (de) 2006-02-23
GB2350008B (en) 2001-05-02
EP1068770A1 (de) 2001-01-17
HK1032504A1 (zh) 2001-07-20
HUP0102859A2 (hu) 2001-12-28
KR20010042428A (ko) 2001-05-25
DE69924990D1 (de) 2005-06-02
CA2326161A1 (en) 1999-10-14
CZ20003591A3 (cs) 2001-01-17
EA003215B1 (ru) 2003-02-27
TR200002878T2 (tr) 2001-01-22
NO20004921D0 (no) 2000-09-29
EA200001016A1 (ru) 2001-02-26
ZA200004746B (en) 2001-06-27

Similar Documents

Publication Publication Date Title
NO20004921L (no) Akustisk innretning
BR9610355A (pt) Dispositivo acústico
NO20003705L (no) Aktiv akustisk anordning omfattende en platedel
AR011920A1 (es) Dispositivo acustico y un metodo para realizar un panel de o para el mismo
BR0015598A (pt) Instrumento ultrassÈnico
MX9801593A (es) Dispositivo acustico.
BR9809609A (pt) Trandutores de vibração para alto-falante na forma de painel ressonante e alto-falante com o mesmo
BR0016755A (pt) Produtos de isolamento acústico fibroso para uso em um veìculo
EA200000830A1 (ru) Акустическое устройство, содержащее панельный элемент, основанное на действии изгибных волн
PT931309E (pt) Estrutura para absorver e/ou para atenuar ondas sonoras
AR019105A1 (es) Metodo para determinar el emplazamiento o emplazamientos ventajosos para posicionar un dispositivo transductor de ondas de flexion.
YU17201A (sh) Akustički uređaj oblika ploče koji koristi mod savojnih talasa
DE3868337D1 (de) Akustischer multifrequenzwandler, insbesondere fuer medizinische abbildung.
ES2194156T3 (es) Perceptor ultrasonico de velocidad de flujo y metodo para medir la velocidad de un flujo de fluido.
DK0847674T3 (da) Musikinstrumenter, der inkorporerer højttalere
DK0847660T3 (da) Lykønskningskort eller lignende med højttaler
EP1602331A4 (de) Ultraschallsonde
HUP9700904A2 (hu) Hang- vagy ultrahang-érzékelő hang- vagy ultrahanghullámok leadására és/vagy vételére
SE8700306L (sv) Ljudomvandlarsystem
JPH0271292A (ja) 打楽器用の担持および/または保持装置
US3444771A (en) Piano soundboard assembly with auxiliary board
WO2002013575A8 (en) Bending wave loudspeaker
Nakanishi et al. Acoustic properties of a cavity backed stage floor: A theoretical model
SE9800189D0 (sv) Anordning vid en piezoelektrisk kristalloscillator
US3459091A (en) Arrangement for fitting a sounding board assembly in a piano