WO1997009840A3 - Loudspeakers comprising panel-form acoustic radiating elements - Google Patents

Loudspeakers comprising panel-form acoustic radiating elements Download PDF

Info

Publication number
WO1997009840A3
WO1997009840A3 PCT/GB1996/002140 GB9602140W WO9709840A3 WO 1997009840 A3 WO1997009840 A3 WO 1997009840A3 GB 9602140 W GB9602140 W GB 9602140W WO 9709840 A3 WO9709840 A3 WO 9709840A3
Authority
WO
WIPO (PCT)
Prior art keywords
panel
loudspeakers
radiating elements
acoustic radiating
radiator
Prior art date
Application number
PCT/GB1996/002140
Other languages
French (fr)
Other versions
WO1997009840A2 (en
Inventor
Henry Azima
Martin Colloms
Neil Harris
Original Assignee
Verity Group Plc
Henry Azima
Martin Colloms
Neil Harris
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=WO1997009840(A3) "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
Priority to CA002230702A priority Critical patent/CA2230702A1/en
Priority to EP96929387A priority patent/EP0847659B1/en
Priority to AU68802/96A priority patent/AU702920B2/en
Priority to PCT/GB1996/002140 priority patent/WO1997009840A2/en
Priority to JP9510943A priority patent/JPH11512246A/en
Priority to US09/029,340 priority patent/US6327369B1/en
Application filed by Verity Group Plc, Henry Azima, Martin Colloms, Neil Harris filed Critical Verity Group Plc
Priority to AT96929387T priority patent/ATE177574T1/en
Priority to DK96929387T priority patent/DK0847659T3/en
Priority to EA199800249A priority patent/EA002108B1/en
Priority to DE69601723T priority patent/DE69601723T2/en
Priority to RO98-00642A priority patent/RO119046B1/en
Priority to ES96929387T priority patent/ES2131953T3/en
Publication of WO1997009840A2 publication Critical patent/WO1997009840A2/en
Publication of WO1997009840A3 publication Critical patent/WO1997009840A3/en
Priority to HK98109452A priority patent/HK1008647A1/en

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
    • 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
    • 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; DEAF-AID SETS; 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

A panel-form loudspeaker (81) comprising a resonant distributed mode acoustic radiator (2), and drive means (9) mounted to the radiator to excite multi-mode resonance in the radiator, characterised by a baffle (6, 8) surrounding and supporting the radiator.
PCT/GB1996/002140 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements WO1997009840A2 (en)

Priority Applications (13)

Application Number Priority Date Filing Date Title
EA199800249A EA002108B1 (en) 1995-09-02 1996-09-02 Loudspeaker comprising panel-form acoustic radiating elements
DE69601723T DE69601723T2 (en) 1995-09-02 1996-09-02 SPEAKER WITH PANEL-SHAPED RADIATION ELEMENTS
RO98-00642A RO119046B1 (en) 1995-09-02 1996-09-02 Panel-shaped speaker
ES96929387T ES2131953T3 (en) 1995-09-02 1996-09-02 SPEAKERS WHICH ARE COMPOSED OF PANEL SHAPED ACOUSTIC RADIATION ELEMENTS.
AT96929387T ATE177574T1 (en) 1995-09-02 1996-09-02 LOUDSPEAKER WITH PLATE-SHAPED RADIATION ELEMENTS
AU68802/96A AU702920B2 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements
PCT/GB1996/002140 WO1997009840A2 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements
JP9510943A JPH11512246A (en) 1995-09-02 1996-09-02 Loudspeaker with panel-type acoustic radiating element
US09/029,340 US6327369B1 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements
CA002230702A CA2230702A1 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements
EP96929387A EP0847659B1 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements
DK96929387T DK0847659T3 (en) 1995-09-02 1996-09-02 Speakers comprising panel-shaped acoustic radiating elements
HK98109452A HK1008647A1 (en) 1995-09-02 1998-07-28 Loudspeakers comprising panel-form acoustic radiating elements

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB9517918.0 1995-09-02
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
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 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements

Publications (2)

Publication Number Publication Date
WO1997009840A2 WO1997009840A2 (en) 1997-03-13
WO1997009840A3 true WO1997009840A3 (en) 1997-04-03

Family

ID=34865233

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB1996/002140 WO1997009840A2 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements

Country Status (12)

Country Link
EP (1) EP0847659B1 (en)
JP (1) JPH11512246A (en)
AT (1) ATE177574T1 (en)
AU (1) AU702920B2 (en)
CA (1) CA2230702A1 (en)
DE (1) DE69601723T2 (en)
DK (1) DK0847659T3 (en)
EA (1) EA002108B1 (en)
ES (1) ES2131953T3 (en)
HK (1) HK1008647A1 (en)
RO (1) RO119046B1 (en)
WO (1) WO1997009840A2 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment

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* Cited by examiner, † Cited by third party
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GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
CA2297104A1 (en) * 1997-09-03 1999-03-11 Christien Ellis Trim panel comprising an integral acoustic system
GB9722079D0 (en) * 1997-10-21 1997-12-17 New Transducers Ltd Loudspeaker suspension
DE19757098C2 (en) * 1997-12-20 2003-01-09 Harman Audio Electronic Sys Suspension for sound reproduction arrangements based on the bending wave principle
DE19821855A1 (en) * 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Flat panel loudspeaker
DE29923450U1 (en) * 1998-06-22 2000-09-28 Slab Technology Ltd Albany speaker
WO2000054552A1 (en) * 1999-03-10 2000-09-14 New Transducers Limited Resonant-mode panel loudspeaker with light emitter
US6443586B1 (en) 1999-03-10 2002-09-03 New Transducers Limited Light-emitting panel-form loudspeaker
TW498698B (en) 2000-05-08 2002-08-11 Koninkl Philips Electronics Nv Loudspeaker having an acoustic panel and an electrical driver
DE10030746B4 (en) * 2000-06-23 2008-11-20 Lisa Dräxlmaier GmbH Interior trim part for vehicles and method for producing the same
FI20011303A (en) 2001-06-19 2002-12-20 Nokia Corp Speaker
US8284955B2 (en) 2006-02-07 2012-10-09 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
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
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
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 (en) * 2006-08-23 2008-03-13 Puren Gmbh Surface loudspeaker device for installation in building wall, has passive filter unit implemented separately from surface diaphragm for positioning of surface diaphragm independently in limited area, and covering adjusting unit
JP2010110011A (en) * 2010-01-13 2010-05-13 Sony Corp Equipment with speaker
DE102012025313B3 (en) * 2012-12-22 2014-02-20 Audi Ag Transducer for converting electrical signals into airborne sound, has frame that is formed by two frame elements, which are tightly connectable to each other, in frame plane
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
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
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
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
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

Citations (4)

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US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
GB2010637A (en) * 1977-11-26 1979-06-27 Sony Corp Diaphragm for loudspeaker
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
US5400407A (en) * 1992-01-08 1995-03-21 Square D Company Tilt adjuster for a speaker support frame

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US5025474A (en) * 1987-09-29 1991-06-18 Matsushita Electric Industrial Co., Ltd. Speaker system with image projection screen
JPH01164935A (en) * 1987-12-21 1989-06-29 Matsushita Electric Ind Co Ltd Screen device
JPH02170795A (en) * 1988-12-23 1990-07-02 Foster Electric Co Ltd Panel type loudspeaker
JPH0386688U (en) * 1989-12-21 1991-09-02
JPH04186240A (en) * 1990-11-20 1992-07-03 Matsushita Electric Ind Co Ltd Screen

Patent Citations (5)

* 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
GB2010637A (en) * 1977-11-26 1979-06-27 Sony Corp Diaphragm for loudspeaker
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
GB2262861A (en) * 1990-08-04 1993-06-30 Secr Defence Panel-form loudspeaker
US5400407A (en) * 1992-01-08 1995-03-21 Square D Company Tilt adjuster for a speaker support frame

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment

Also Published As

Publication number Publication date
EA002108B1 (en) 2001-12-24
DK0847659T3 (en) 1999-09-27
RO119046B1 (en) 2004-02-27
AU6880296A (en) 1997-03-27
DE69601723T2 (en) 1999-09-16
HK1008647A1 (en) 1999-05-14
JPH11512246A (en) 1999-10-19
ATE177574T1 (en) 1999-03-15
WO1997009840A2 (en) 1997-03-13
EP0847659B1 (en) 1999-03-10
DE69601723D1 (en) 1999-04-15
ES2131953T3 (en) 1999-08-01
EA199800249A1 (en) 1998-08-27
EP0847659A1 (en) 1998-06-17
CA2230702A1 (en) 1997-03-13
AU702920B2 (en) 1999-03-11

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