CA2230702A1 - Haut-parleurs comprenant un element rayonnant acoustique en forme de panneau - Google Patents

Haut-parleurs comprenant un element rayonnant acoustique en forme de panneau Download PDF

Info

Publication number
CA2230702A1
CA2230702A1 CA002230702A CA2230702A CA2230702A1 CA 2230702 A1 CA2230702 A1 CA 2230702A1 CA 002230702 A CA002230702 A CA 002230702A CA 2230702 A CA2230702 A CA 2230702A CA 2230702 A1 CA2230702 A1 CA 2230702A1
Authority
CA
Canada
Prior art keywords
panel
radiator
baffle
form loudspeaker
loudspeaker according
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
CA002230702A
Other languages
English (en)
Inventor
Martin Colloms
Henry Azima
Neil Harris
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=34865233&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2230702(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GBGB9517918.0A external-priority patent/GB9517918D0/en
Priority claimed from GBGB9522281.6A external-priority patent/GB9522281D0/en
Priority claimed from GBGB9606836.6A external-priority patent/GB9606836D0/en
Application filed by Individual filed Critical Individual
Publication of CA2230702A1 publication Critical patent/CA2230702A1/fr
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2803—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means for loudspeaker transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/28—Transducer mountings or enclosures modified by provision of mechanical or acoustic impedances, e.g. resonator, damping means
    • H04R1/2807—Enclosures comprising vibrating or resonating arrangements
    • H04R1/2815—Enclosures comprising vibrating or resonating arrangements of the bass reflex type
    • H04R1/2819—Enclosures comprising vibrating or resonating arrangements of the bass reflex type for loudspeaker transducers

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Circuit For Audible Band Transducer (AREA)

Abstract

L'invention concerne un haut-parleur (81) en forme de panneau, qui comprend un élément rayonnant acoustique résonnant en mode réparti (2), un circuit d'attaque (9) monté sur élément rayonnant afin d'induire une résonnance multimode dans cet élément, et qui est caractérisé en ce qu'un écran (6, 8) entoure et soutient l'élément rayonnant.
CA002230702A 1995-09-02 1996-09-02 Haut-parleurs comprenant un element rayonnant acoustique en forme de panneau Abandoned CA2230702A1 (fr)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GB9517918.0 1995-09-02
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GB9522281.6 1995-10-31
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
GB9606836.6 1996-03-30
PCT/GB1996/002140 WO1997009840A2 (fr) 1995-09-02 1996-09-02 Haut-parleurs comprenant un element rayonnant acoustique en forme de panneau

Publications (1)

Publication Number Publication Date
CA2230702A1 true CA2230702A1 (fr) 1997-03-13

Family

ID=34865233

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002230702A Abandoned CA2230702A1 (fr) 1995-09-02 1996-09-02 Haut-parleurs comprenant un element rayonnant acoustique en forme de panneau

Country Status (11)

Country Link
EP (1) EP0847659B1 (fr)
JP (1) JPH11512246A (fr)
AT (1) ATE177574T1 (fr)
AU (1) AU702920B2 (fr)
CA (1) CA2230702A1 (fr)
DE (1) DE69601723T2 (fr)
DK (1) DK0847659T3 (fr)
EA (1) EA002108B1 (fr)
ES (1) ES2131953T3 (fr)
RO (1) RO119046B1 (fr)
WO (1) WO1997009840A2 (fr)

Families Citing this family (35)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
DE69808308T2 (de) * 1997-09-03 2003-07-31 New Transducers Ltd., London Innenausstattungsteil mit integriertem, akustischem system
GB9722079D0 (en) * 1997-10-21 1997-12-17 New Transducers Ltd Loudspeaker suspension
DE19757098C2 (de) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Aufhängung für Schallwiedergabeanordnungen nach dem Biegewellenprinzip
DE19821855A1 (de) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Plattenlautsprecher
GB2351868B (en) * 1998-06-22 2001-08-29 Slab Technology Ltd Loudspeakers
WO2000054552A1 (fr) * 1999-03-10 2000-09-14 New Transducers Limited Haut-parleur panneau a mode resonant avec emetteur de lumiere
US6443586B1 (en) 1999-03-10 2002-09-03 New Transducers Limited Light-emitting panel-form loudspeaker
US7155021B2 (en) * 2000-05-08 2006-12-26 Koninklijke Philips Electronics N.V. Loudspeaker having an acoustic panel and an electrical driver
DE10030746B4 (de) * 2000-06-23 2008-11-20 Lisa Dräxlmaier GmbH Innenverkleidungsteil für Fahrzeuge und verfahren zur Herstellung desselben
FI20011303A7 (fi) 2001-06-19 2002-12-20 Nokia Corp Kaiutin
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
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
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
DE102006039455A1 (de) * 2006-08-23 2008-03-13 Puren Gmbh Flächenlautsprechervorrichtung
JP2010110011A (ja) * 2010-01-13 2010-05-13 Sony Corp スピーカを有する機器
DE102012025313B3 (de) * 2012-12-22 2014-02-20 Audi Ag Schallwandler zur Wandlung elektrischer Signale in Luftschall
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
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
US11211043B2 (en) 2018-04-11 2021-12-28 Bongiovi Acoustics Llc Audio enhanced hearing protection system
WO2020028833A1 (fr) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc Système, procédé et appareil pour générer et traiter numériquement une fonction de transfert audio liée à la tête

Family Cites Families (10)

* 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
JPS5748153Y2 (fr) * 1977-11-26 1982-10-22
JPS5928798A (ja) * 1982-08-09 1984-02-15 Mitsubishi Electric Corp スピ−カ振動板
US5025474A (en) * 1987-09-29 1991-06-18 Matsushita Electric Industrial Co., Ltd. Speaker system with image projection screen
JPH01164935A (ja) * 1987-12-21 1989-06-29 Matsushita Electric Ind Co Ltd スクリーン装置
JPH02170795A (ja) * 1988-12-23 1990-07-02 Foster Electric Co Ltd パネル型スピーカ
JPH0386688U (fr) * 1989-12-21 1991-09-02
ATE117155T1 (de) * 1990-08-04 1995-01-15 Secr Defence Brit Paneelförmiger lautsprecher.
JPH04186240A (ja) * 1990-11-20 1992-07-03 Matsushita Electric Ind Co Ltd スクリーン
US5400407A (en) * 1992-01-08 1995-03-21 Square D Company Tilt adjuster for a speaker support frame

Also Published As

Publication number Publication date
EA002108B1 (ru) 2001-12-24
DE69601723D1 (de) 1999-04-15
EP0847659B1 (fr) 1999-03-10
ATE177574T1 (de) 1999-03-15
JPH11512246A (ja) 1999-10-19
DK0847659T3 (da) 1999-09-27
DE69601723T2 (de) 1999-09-16
RO119046B1 (ro) 2004-02-27
AU6880296A (en) 1997-03-27
ES2131953T3 (es) 1999-08-01
HK1008647A1 (en) 1999-05-14
AU702920B2 (en) 1999-03-11
WO1997009840A3 (fr) 1997-04-03
WO1997009840A2 (fr) 1997-03-13
EP0847659A1 (fr) 1998-06-17
EA199800249A1 (ru) 1998-08-27

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Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued