CA2338713A1 - Loudspeaker drive unit having a resonant panel-form member - Google Patents

Loudspeaker drive unit having a resonant panel-form member Download PDF

Info

Publication number
CA2338713A1
CA2338713A1 CA002338713A CA2338713A CA2338713A1 CA 2338713 A1 CA2338713 A1 CA 2338713A1 CA 002338713 A CA002338713 A CA 002338713A CA 2338713 A CA2338713 A CA 2338713A CA 2338713 A1 CA2338713 A1 CA 2338713A1
Authority
CA
Canada
Prior art keywords
panel
suspension
form member
drive unit
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.)
Abandoned
Application number
CA002338713A
Other languages
English (en)
French (fr)
Inventor
Graham Bank
Kieron Dunk
Julian Fordham
Henry Azima
Neil Simon Owen
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
Individual
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
Priority claimed from GBGB9816395.9A external-priority patent/GB9816395D0/en
Priority claimed from GBGB9911156.9A external-priority patent/GB9911156D0/en
Application filed by Individual filed Critical Individual
Publication of CA2338713A1 publication Critical patent/CA2338713A1/en
Abandoned 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
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • 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
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R31/00—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor
    • H04R31/003—Apparatus or processes specially adapted for the manufacture of transducers or diaphragms therefor for diaphragms or their outer suspension
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T156/00—Adhesive bonding and miscellaneous chemical manufacture
    • Y10T156/10—Methods of surface bonding and/or assembly therefor
    • Y10T156/1002—Methods of surface bonding and/or assembly therefor with permanent bending or reshaping or surface deformation of self sustaining lamina
    • Y10T156/1043—Subsequent to assembly

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Manufacturing & Machinery (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
CA002338713A 1998-07-29 1999-07-29 Loudspeaker drive unit having a resonant panel-form member Abandoned CA2338713A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GBGB9816395.9A GB9816395D0 (en) 1998-07-29 1998-07-29 Acoustic devices
GB9816395.9 1999-05-14
GB9911156.9 1999-05-14
GBGB9911156.9A GB9911156D0 (en) 1999-05-14 1999-05-14 Loudspeakers
PCT/GB1999/002268 WO2000007409A1 (en) 1998-07-29 1999-07-29 Loudspeaker drive unit having a resonant panel-form member

Publications (1)

Publication Number Publication Date
CA2338713A1 true CA2338713A1 (en) 2000-02-10

Family

ID=26314130

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002338713A Abandoned CA2338713A1 (en) 1998-07-29 1999-07-29 Loudspeaker drive unit having a resonant panel-form member

Country Status (13)

Country Link
US (1) US6610237B2 (enExample)
EP (1) EP1101388B1 (enExample)
JP (1) JP2002521993A (enExample)
KR (1) KR20010074784A (enExample)
CN (1) CN1157997C (enExample)
AT (1) ATE254382T1 (enExample)
AU (1) AU5049199A (enExample)
BR (1) BR9912459A (enExample)
CA (1) CA2338713A1 (enExample)
DE (1) DE69912799D1 (enExample)
IL (1) IL140997A0 (enExample)
MX (1) MXPA01001032A (enExample)
WO (1) WO2000007409A1 (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019113676A1 (en) * 2017-12-14 2019-06-20 Van Rooij Godfried F A Controlled resonance technology

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GB9911156D0 (en) 1999-05-14 1999-07-14 New Transducers Ltd Loudspeakers
GB2349034A (en) * 1999-04-16 2000-10-18 Hosiden Besson Ltd Supporting surround for active panel of distributed mode speaker
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
US7636447B2 (en) * 2004-03-12 2009-12-22 Multi Service Corporation Acoustic bracket system
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
US10158337B2 (en) 2004-08-10 2018-12-18 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
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
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US8969514B2 (en) 2007-06-04 2015-03-03 Synergy Pharmaceuticals, Inc. Agonists of guanylate cyclase useful for the treatment of hypercholesterolemia, atherosclerosis, coronary heart disease, gallstone, obesity and other cardiovascular diseases
JP2010252245A (ja) * 2009-04-20 2010-11-04 Mitsubishi Electric Engineering Co Ltd 電磁変換器
US9616097B2 (en) 2010-09-15 2017-04-11 Synergy Pharmaceuticals, Inc. Formulations of guanylate cyclase C agonists and methods of use
US8699729B2 (en) 2010-12-10 2014-04-15 Nausser Fathollahi Audio speaker assembly
CN103686477A (zh) * 2012-08-31 2014-03-26 刘骏涛 一种带有伸缩共鸣腔的微型音箱
WO2014143821A2 (en) * 2013-03-15 2014-09-18 Emo Labs, Inc. Acoustic transducers having a connector between an actuator and a diaphragm
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
WO2015051496A1 (en) 2013-10-08 2015-04-16 Merck Sharp & Dohme Corp. Antidiabetic tricyclic compounds
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
US10477320B2 (en) * 2014-09-19 2019-11-12 Corning Incorporated Thin panel loudspeakers
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
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
KR20170114471A (ko) 2016-04-05 2017-10-16 엘지디스플레이 주식회사 유기발광 표시 장치
KR101704517B1 (ko) 2016-03-28 2017-02-09 엘지디스플레이 주식회사 패널 진동형 음향 발생 표시 장치
US10129646B2 (en) 2016-03-28 2018-11-13 Lg Display Co., Ltd. Panel vibration type sound generating display device
KR102663406B1 (ko) 2016-04-04 2024-05-14 엘지디스플레이 주식회사 패널 진동형 음향 발생 액츄에이터 및 그를 포함하는 양면 표시 장치
US11072602B2 (en) 2016-12-06 2021-07-27 Merck Sharp & Dohme Corp. Antidiabetic heterocyclic compounds
CA3096877A1 (en) 2018-04-11 2019-10-17 Bongiovi Acoustics Llc Audio enhanced hearing protection system
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
MX2021005904A (es) 2018-11-20 2021-09-08 Tes Pharma S R L Inhibidores de la ácido alfa-amino-beta-carboximucónico semialdehído descarboxilasa.
US12260843B2 (en) * 2022-12-16 2025-03-25 Max Yoshimoto Percussion sound attenuation system

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US3961378A (en) * 1973-01-19 1976-06-08 White Stanley F Cone construction for loudspeaker
DE7925593U1 (de) * 1979-09-10 1980-02-28 Deutsche Semperit Gmbh, 8000 Muenchen Lautsprechermembran
JPH01162990U (enExample) * 1988-04-30 1989-11-14
JPH02260799A (ja) * 1989-03-30 1990-10-23 Pioneer Electron Corp スピーカおよびその製造方法
US5319718A (en) * 1991-10-11 1994-06-07 Yocum Fred D Loudspeaker cone and method for making same
ATE132681T1 (de) * 1992-01-15 1996-01-15 Patrick Arthur Leach Verfahren und vorrichtung zur herstellung eines lautsprecherkonus und einer sickenanordnung
EP0647386A1 (en) * 1992-05-14 1995-04-12 YOCUM, Fred D. Loudspeaker cone suspension rim having integral gasket
US5650105A (en) * 1994-05-24 1997-07-22 Yocum; Fred D. Method for making a loudspeaker cone with an integral surround
CN1122436C (zh) * 1994-11-30 2003-09-24 先锋电子股份有限公司 扬声器振动膜及其制造方法
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
JP3158023B2 (ja) * 1995-10-03 2001-04-23 フオスター電機株式会社 スピーカ用エッジの製造方法
JP3905652B2 (ja) * 1998-10-07 2007-04-18 フォスター電機株式会社 電気音響変換器用振動板の製造方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2019113676A1 (en) * 2017-12-14 2019-06-20 Van Rooij Godfried F A Controlled resonance technology

Also Published As

Publication number Publication date
ATE254382T1 (de) 2003-11-15
HK1033409A1 (en) 2001-08-24
CN1157997C (zh) 2004-07-14
AU5049199A (en) 2000-02-21
US6610237B2 (en) 2003-08-26
IL140997A0 (en) 2002-02-10
US20010019616A1 (en) 2001-09-06
WO2000007409A1 (en) 2000-02-10
CN1308830A (zh) 2001-08-15
BR9912459A (pt) 2001-04-17
MXPA01001032A (es) 2002-07-30
KR20010074784A (ko) 2001-08-09
DE69912799D1 (de) 2003-12-18
JP2002521993A (ja) 2002-07-16
EP1101388A1 (en) 2001-05-23
EP1101388B1 (en) 2003-11-12

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Legal Events

Date Code Title Description
FZDE Discontinued