DK0847665T3 - Panel-shaped speakers - Google Patents

Panel-shaped speakers

Info

Publication number
DK0847665T3
DK0847665T3 DK96929403T DK96929403T DK0847665T3 DK 0847665 T3 DK0847665 T3 DK 0847665T3 DK 96929403 T DK96929403 T DK 96929403T DK 96929403 T DK96929403 T DK 96929403T DK 0847665 T3 DK0847665 T3 DK 0847665T3
Authority
DK
Denmark
Prior art keywords
panel
radiator
shaped speakers
transducer
coupled
Prior art date
Application number
DK96929403T
Other languages
Danish (da)
Inventor
Henry Azima
Martin Colloms
Neil Harris
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=34865248&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DK0847665(T3) "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
Application granted granted Critical
Publication of DK0847665T3 publication Critical patent/DK0847665T3/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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Multimedia (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Holo Graphy (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)

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).
DK96929403T 1995-09-02 1996-09-02 Panel-shaped speakers DK0847665T3 (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 (1)

Publication Number Publication Date
DK0847665T3 true DK0847665T3 (en) 1999-10-25

Family

ID=34865248

Family Applications (1)

Application Number Title Priority Date Filing Date
DK96929403T DK0847665T3 (en) 1995-09-02 1996-09-02 Panel-shaped speakers

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)

Families Citing this family (44)

* Cited by examiner, † Cited by third party
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AU4955697A (en) * 1996-12-20 1998-07-17 Noise Cancellation Technologies, 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
DE29923450U1 (en) 1998-06-22 2000-09-28 Slab Technology Ltd Albany speaker
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
US7151837B2 (en) 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
US6865277B2 (en) 2000-01-27 2005-03-08 New Transducers Limited Passenger vehicle
US6839444B2 (en) 2000-11-30 2005-01-04 New Transducers Limited Loudspeakers
GB0029098D0 (en) * 2000-11-30 2001-01-10 New Transducers Ltd Vibration transducer
US10158337B2 (en) 2004-08-10 2018-12-18 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
US8284955B2 (en) 2006-02-07 2012-10-09 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
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
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
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
JP2016516358A (en) 2013-03-15 2016-06-02 イモ ラブス， インコーポレイテッド Acoustic transducer having a bending 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
USD741835S1 (en) 2013-12-27 2015-10-27 Emo Labs, Inc. Speaker
USD733678S1 (en) 2013-12-27 2015-07-07 Emo Labs, Inc. Audio 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
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc 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
JP2021521700A (en) 2018-04-11 2021-08-26 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 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

Family Cites Families (7)

* 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
EP0054945B1 (en) * 1980-12-19 1985-10-30 Nissan Motor Co., Ltd. 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
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

Also Published As

Publication number Publication date
ES2132953T3 (en) 1999-08-16
DE69602203T2 (en) 1999-09-16
JPH11512257A (en) 1999-10-19
WO1997009846A1 (en) 1997-03-13
AU6881896A (en) 1997-03-27
DE69602203D1 (en) 1999-05-27
EA001720B1 (en) 2001-08-27
EP0847665A1 (en) 1998-06-17
EA199800172A1 (en) 1998-10-29
CA2230461A1 (en) 1997-03-13
RO119045B1 (en) 2004-02-27
AU703122B2 (en) 1999-03-18
HK1008649A1 (en) 1999-05-14
ATE179296T1 (en) 1999-05-15
CN1195458A (en) 1998-10-07
EP0847665B1 (en) 1999-04-21

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