DE69601723D1 - SPEAKER WITH PANEL-SHAPED RADIATION ELEMENTS - Google Patents

SPEAKER WITH PANEL-SHAPED RADIATION ELEMENTS

Info

Publication number
DE69601723D1
DE69601723D1 DE69601723T DE69601723T DE69601723D1 DE 69601723 D1 DE69601723 D1 DE 69601723D1 DE 69601723 T DE69601723 T DE 69601723T DE 69601723 T DE69601723 T DE 69601723T DE 69601723 D1 DE69601723 D1 DE 69601723D1
Authority
DE
Germany
Prior art keywords
panel
speaker
radiation elements
shaped radiation
radiator
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 - Fee Related
Application number
DE69601723T
Other languages
German (de)
Other versions
DE69601723T2 (en
Inventor
Henry Azima
Martin Colloms
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
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
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=DE69601723(D1) "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 New Transducers Ltd filed Critical New Transducers Ltd
Publication of DE69601723D1 publication Critical patent/DE69601723D1/en
Application granted granted Critical
Publication of DE69601723T2 publication Critical patent/DE69601723T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • 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

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.
DE69601723T 1995-09-02 1996-09-02 SPEAKER WITH PANEL-SHAPED RADIATION ELEMENTS Expired - Fee Related DE69601723T2 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GBGB9522281.6A GB9522281D0 (en) 1995-10-31 1995-10-31 Acoustic device
GBGB9606836.6A GB9606836D0 (en) 1996-03-30 1996-03-30 Acoustic device
PCT/GB1996/002140 WO1997009840A2 (en) 1995-09-02 1996-09-02 Loudspeakers comprising panel-form acoustic radiating elements

Publications (2)

Publication Number Publication Date
DE69601723D1 true DE69601723D1 (en) 1999-04-15
DE69601723T2 DE69601723T2 (en) 1999-09-16

Family

ID=34865233

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69601723T Expired - Fee Related DE69601723T2 (en) 1995-09-02 1996-09-02 SPEAKER WITH PANEL-SHAPED RADIATION 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)

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
ES2185203T3 (en) * 1997-09-03 2003-04-16 New Transducers Ltd COATING PANEL COMPOSED BY 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
TR200003739T2 (en) * 1998-06-22 2001-06-21 Slab Technology Limited speakers
AU2928100A (en) * 1999-03-10 2000-09-28 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
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
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
US10848867B2 (en) 2006-02-07 2020-11-24 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
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
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
US10639000B2 (en) 2014-04-16 2020-05-05 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
US9615813B2 (en) 2014-04-16 2017-04-11 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
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

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 (en) * 1977-11-26 1982-10-22
JPS5928798A (en) * 1982-08-09 1984-02-15 Mitsubishi Electric Corp Speaker diaphragm
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
JP3034952B2 (en) * 1990-08-04 2000-04-17 イギリス国 Panel type speaker
JPH04186240A (en) * 1990-11-20 1992-07-03 Matsushita Electric Ind Co Ltd Screen
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
AU6880296A (en) 1997-03-27
WO1997009840A2 (en) 1997-03-13
EA002108B1 (en) 2001-12-24
RO119046B1 (en) 2004-02-27
ES2131953T3 (en) 1999-08-01
JPH11512246A (en) 1999-10-19
EA199800249A1 (en) 1998-08-27
HK1008647A1 (en) 1999-05-14
ATE177574T1 (en) 1999-03-15
AU702920B2 (en) 1999-03-11
DE69601723T2 (en) 1999-09-16
CA2230702A1 (en) 1997-03-13
EP0847659A1 (en) 1998-06-17
DK0847659T3 (en) 1999-09-27
WO1997009840A3 (en) 1997-04-03
EP0847659B1 (en) 1999-03-10

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Legal Events

Date Code Title Description
8363 Opposition against the patent
8339 Ceased/non-payment of the annual fee