CN1143593C - 依靠弯曲波作用的声学装置 - Google Patents

依靠弯曲波作用的声学装置 Download PDF

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Publication number
CN1143593C
CN1143593C CNB998046930A CN99804693A CN1143593C CN 1143593 C CN1143593 C CN 1143593C CN B998046930 A CNB998046930 A CN B998046930A CN 99804693 A CN99804693 A CN 99804693A CN 1143593 C CN1143593 C CN 1143593C
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CN
China
Prior art keywords
acoustic apparatus
parts
edge
defines
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.)
Expired - Lifetime
Application number
CNB998046930A
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English (en)
Chinese (zh)
Other versions
CN1296720A (zh
Inventor
亨利·阿齐马
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 Technology Co ltd
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 CN1296720A publication Critical patent/CN1296720A/zh
Application granted granted Critical
Publication of CN1143593C publication Critical patent/CN1143593C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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    • 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)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Toys (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Ultra Sonic Daignosis Equipment (AREA)
CNB998046930A 1998-04-02 1999-03-30 依靠弯曲波作用的声学装置 Expired - Lifetime CN1143593C (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9806994.1A GB9806994D0 (en) 1998-04-02 1998-04-02 Acoustic device
GB9806994.1 1998-04-02

Publications (2)

Publication Number Publication Date
CN1296720A CN1296720A (zh) 2001-05-23
CN1143593C true CN1143593C (zh) 2004-03-24

Family

ID=10829678

Family Applications (1)

Application Number Title Priority Date Filing Date
CNB998046930A Expired - Lifetime CN1143593C (zh) 1998-04-02 1999-03-30 依靠弯曲波作用的声学装置

Country Status (27)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8054194B2 (en) 2003-02-10 2011-11-08 Autronic Plastics, Inc. System and method for verifying a security status of a lockable container
CN1930910B (zh) * 2004-03-11 2012-09-05 新型转换器有限公司 扬声器

Families Citing this family (36)

* 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
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
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
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
US8284955B2 (en) 2006-02-07 2012-10-09 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
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
US10069471B2 (en) 2006-02-07 2018-09-04 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
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
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
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
JP5726375B2 (ja) * 2012-08-10 2015-05-27 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
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
CN112236812A (zh) 2018-04-11 2021-01-15 邦吉欧维声学有限公司 音频增强听力保护系统
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
WO1992003024A1 (fr) * 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 Haut-parleur sous forme de panneau
ES2131953T3 (es) * 1995-09-02 1999-08-01 New Transducers Ltd Altavoces que estan compuestos por elementos de radiacion acustica con forma de panel.
BR9610466A (pt) * 1995-09-02 1999-03-02 New Transducers Ltd Alto-falantes que consistem de elementos acústicos irradiadores em forma de painel
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8054194B2 (en) 2003-02-10 2011-11-08 Autronic Plastics, Inc. System and method for verifying a security status of a lockable container
CN1930910B (zh) * 2004-03-11 2012-09-05 新型转换器有限公司 扬声器

Also Published As

Publication number Publication date
BR9909901A (pt) 2000-12-26
GB2350008A (en) 2000-11-15
NZ506731A (en) 2003-02-28
CN1296720A (zh) 2001-05-23
IL138312A0 (en) 2001-10-31
CZ300065B6 (cs) 2009-01-21
AU746216B2 (en) 2002-04-18
EA200001016A1 (ru) 2001-02-26
EP1068770A1 (fr) 2001-01-17
CO4830489A1 (es) 1999-08-30
EP1068770B1 (fr) 2005-04-27
DE69924990T2 (de) 2006-02-23
AR018832A1 (es) 2001-12-12
NO20004921D0 (no) 2000-09-29
TR200002878T2 (tr) 2001-01-22
JP2002511682A (ja) 2002-04-16
HUP0102859A2 (hu) 2001-12-28
CZ20003591A3 (cs) 2001-01-17
WO1999052324A1 (fr) 1999-10-14
GB9806994D0 (en) 1998-06-03
HK1032504A1 (en) 2001-07-20
ATE294492T1 (de) 2005-05-15
AU2947199A (en) 1999-10-25
PL343115A1 (en) 2001-07-30
GB0020986D0 (en) 2000-10-11
CA2326161A1 (fr) 1999-10-14
TW475340B (en) 2002-02-01
JP4258696B2 (ja) 2009-04-30
NO20004921L (no) 2000-11-28
ZA200004746B (en) 2001-06-27
HUP0102859A3 (en) 2003-03-28
BG104810A (bg) 2001-07-31
KR20010042428A (ko) 2001-05-25
ID27055A (id) 2001-02-22
EA003215B1 (ru) 2003-02-27
GB2350008B (en) 2001-05-02
DE69924990D1 (de) 2005-06-02
SK14552000A3 (sk) 2001-05-10

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C06 Publication
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C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CP01 Change in the name or title of a patent holder

Address after: Cambridge County

Patentee after: NVF Technology Co.,Ltd.

Address before: Cambridge County

Patentee before: HIWAVE TECHNOLOGIES (UK) LTD.

Address after: Cambridge County

Patentee after: HIWAVE TECHNOLOGIES (UK) LTD.

Address before: Cambridge County

Patentee before: NEW TRANSDUCERS Ltd.

CP01 Change in the name or title of a patent holder
CX01 Expiry of patent term

Granted publication date: 20040324

CX01 Expiry of patent term