EA199800172A1 - Panel-form loudspeakers - Google Patents

Panel-form loudspeakers

Info

Publication number
EA199800172A1
EA199800172A1 EA199800172A EA199800172A EA199800172A1 EA 199800172 A1 EA199800172 A1 EA 199800172A1 EA 199800172 A EA199800172 A EA 199800172A EA 199800172 A EA199800172 A EA 199800172A EA 199800172 A1 EA199800172 A1 EA 199800172A1
Authority
EA
Eurasian Patent Office
Prior art keywords
panel
radiator
form loudspeakers
transducer
coupled
Prior art date
Application number
EA199800172A
Other languages
Russian (ru)
Other versions
EA001720B1 (en
Inventor
Генри Азима
Мартин Колломз
Нейл Харрис
Original Assignee
Нью Трэнсдьюсерз Лимитед
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=34865248&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EA199800172(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 Нью Трэнсдьюсерз Лимитед filed Critical Нью Трэнсдьюсерз Лимитед
Publication of EA199800172A1 publication Critical patent/EA199800172A1/en
Publication of EA001720B1 publication Critical patent/EA001720B1/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 
    • H04R1/26—Spatial arrangements of separate transducers responsive to two or more frequency ranges

Abstract

A panel-form loudspeaker (81) having a distributed mode acoustic radiator (2, 4) and a first transducer (9) coupled to the radiator (2) to excite distributed mode resonance in the radiator, characterised by a second transducer (9) coupled to vibrate the radiator (14).
EA199800172A 1995-09-02 1996-09-02 Panel-form loudspeakers EA001720B1 (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/GB1996/002162 WO1997009846A1 (en) 1995-09-02 1996-09-02 Panel-form loudspeakers

Publications (2)

Publication Number Publication Date
EA199800172A1 true EA199800172A1 (en) 1998-10-29
EA001720B1 EA001720B1 (en) 2001-08-27

Family

ID=34865248

Family Applications (1)

Application Number Title Priority Date Filing Date
EA199800172A EA001720B1 (en) 1995-09-02 1996-09-02 Panel-form loudspeakers

Country Status (13)

Country Link
EP (1) EP0847665B1 (en)
JP (1) JPH11512257A (en)
CN (1) CN1195458A (en)
AT (1) ATE179296T1 (en)
AU (1) AU703122B2 (en)
CA (1) CA2230461A1 (en)
DE (1) DE69602203T2 (en)
DK (1) DK0847665T3 (en)
EA (1) EA001720B1 (en)
ES (1) ES2132953T3 (en)
HK (1) HK1008649A1 (en)
RO (1) RO119045B1 (en)
WO (1) WO1997009846A1 (en)

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CA2273025A1 (en) * 1996-12-20 1998-07-02 Nct Group, Inc. Electroacoustic transducers comprising vibrating panels
GB9709959D0 (en) * 1997-05-15 1997-07-09 New Transducers Ltd Panel-form loudspeakers
US6278790B1 (en) 1997-11-11 2001-08-21 Nct Group, Inc. Electroacoustic transducers comprising vibrating panels
TR200003739T2 (en) 1998-06-22 2001-06-21 Slab Technology Limited speakers
JP3512087B2 (en) * 1999-06-15 2004-03-29 日本電気株式会社 Panel speaker
TW511391B (en) 2000-01-24 2002-11-21 New Transducers Ltd Transducer
US6865277B2 (en) 2000-01-27 2005-03-08 New Transducers Limited Passenger vehicle
US7151837B2 (en) 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
GB0029098D0 (en) * 2000-11-30 2001-01-10 New Transducers Ltd Vibration transducer
US6839444B2 (en) 2000-11-30 2005-01-04 New Transducers Limited Loudspeakers
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
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
TW200706049A (en) * 2005-05-12 2007-02-01 Kenwood Corp Screen speaker system
JP2006319626A (en) * 2005-05-12 2006-11-24 Kenwood Corp Screen speaker system
DE102005029977A1 (en) * 2005-06-28 2007-01-11 Robert Bosch Gmbh Device with an adaptive bending transducer for emitting a signal tone
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
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
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
US8189851B2 (en) 2009-03-06 2012-05-29 Emo Labs, Inc. Optically clear diaphragm for an acoustic transducer and method for making same
GB2504691B (en) * 2012-08-06 2015-01-28 Jaguar Land Rover Ltd Audio apparatus and method
EP2969264A4 (en) 2013-03-15 2016-11-23 Emo Labs Inc Acoustic transducers with bend limiting member
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
USD743376S1 (en) * 2013-06-25 2015-11-17 Lg Electronics Inc. Speaker
US20150010173A1 (en) * 2013-07-05 2015-01-08 Qualcomm Incorporated Apparatus and method for providing a frequency response for audio signals
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio speaker
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD748072S1 (en) 2014-03-14 2016-01-26 Emo Labs, Inc. Sound bar audio speaker
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
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
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 (en) 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 Surface acoustic transducer
CN106658318A (en) * 2017-01-20 2017-05-10 瑞声科技（南京）有限公司 Vibration sound production system
AU2019252524A1 (en) 2018-04-11 2020-11-05 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
GB2597988A (en) * 2020-08-13 2022-02-16 Full Stack Acoustic Ltd Loudspeaker apparatus, Loudspeaker system, display panel and systems thereof

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* Cited by examiner, † Cited by third party
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US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
JPS5748153Y2 (en) * 1977-11-26 1982-10-22
DE3172790D1 (en) * 1980-12-19 1985-12-05 Nissan Motor Speaker for automotive vehicle audio system
US4751419A (en) * 1986-12-10 1988-06-14 Nitto Incorporated Piezoelectric oscillation assembly including several individual piezoelectric oscillation devices having a common oscillation plate member
US5025474A (en) * 1987-09-29 1991-06-18 Matsushita Electric Industrial Co., Ltd. Speaker system with image projection screen
US4997058A (en) * 1989-10-02 1991-03-05 Bertagni Jose J Sound transducer
ATE117155T1 (en) * 1990-08-04 1995-01-15 Secr Defence Brit PANEL-SHAPED SPEAKER.

Also Published As

Publication number Publication date
CA2230461A1 (en) 1997-03-13
CN1195458A (en) 1998-10-07
WO1997009846A1 (en) 1997-03-13
DE69602203T2 (en) 1999-09-16
DK0847665T3 (en) 1999-10-25
ES2132953T3 (en) 1999-08-16
HK1008649A1 (en) 1999-05-14
RO119045B1 (en) 2004-02-27
AU703122B2 (en) 1999-03-18
JPH11512257A (en) 1999-10-19
EP0847665B1 (en) 1999-04-21
ATE179296T1 (en) 1999-05-15
EP0847665A1 (en) 1998-06-17
EA001720B1 (en) 2001-08-27
DE69602203D1 (en) 1999-05-27
AU6881896A (en) 1997-03-27

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Legal Events

Date Code Title Description
MM4A Lapse of a eurasian patent due to non-payment of renewal fees within the time limit in the following designated state(s)

Designated state(s): AM AZ BY KZ KG MD TJ TM RU