EP1133212A3 - Acoustic device - Google Patents

Acoustic device Download PDF

Info

Publication number
EP1133212A3
EP1133212A3 EP01202058A EP01202058A EP1133212A3 EP 1133212 A3 EP1133212 A3 EP 1133212A3 EP 01202058 A EP01202058 A EP 01202058A EP 01202058 A EP01202058 A EP 01202058A EP 1133212 A3 EP1133212 A3 EP 1133212A3
Authority
EP
European Patent Office
Prior art keywords
diaphragm
drive
coupling part
actuator
centre
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.)
Withdrawn
Application number
EP01202058A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP1133212A2 (en
Inventor
Henry Azima
Nell Harris
Martin Colloms
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
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Publication of EP1133212A2 publication Critical patent/EP1133212A2/en
Publication of EP1133212A3 publication Critical patent/EP1133212A3/en
Withdrawn legal-status Critical Current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
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • 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
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Seal Device For Vehicle (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Surgical Instruments (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
EP01202058A 1997-03-04 1998-02-27 Acoustic device Withdrawn EP1133212A3 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
GBGB9704486.1A GB9704486D0 (en) 1997-03-04 1997-03-04 Acoustic devices etc
GB9704486 1997-03-04
EP98907080A EP0965245B1 (en) 1997-03-04 1998-02-27 Acoustic device

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
EP98907080A Division EP0965245B1 (en) 1997-03-04 1998-02-27 Acoustic device

Publications (2)

Publication Number Publication Date
EP1133212A2 EP1133212A2 (en) 2001-09-12
EP1133212A3 true EP1133212A3 (en) 2006-01-11

Family

ID=10808687

Family Applications (2)

Application Number Title Priority Date Filing Date
EP01202058A Withdrawn EP1133212A3 (en) 1997-03-04 1998-02-27 Acoustic device
EP98907080A Expired - Lifetime EP0965245B1 (en) 1997-03-04 1998-02-27 Acoustic device

Family Applications After (1)

Application Number Title Priority Date Filing Date
EP98907080A Expired - Lifetime EP0965245B1 (en) 1997-03-04 1998-02-27 Acoustic device

Country Status (30)

Country Link
EP (2) EP1133212A3 (zh)
JP (1) JP2001513967A (zh)
KR (1) KR20000075889A (zh)
CN (1) CN1157999C (zh)
AR (1) AR011920A1 (zh)
AT (1) ATE231677T1 (zh)
AU (1) AU735051B2 (zh)
BG (1) BG103669A (zh)
BR (1) BR9808169A (zh)
CA (1) CA2283381A1 (zh)
CZ (1) CZ310299A3 (zh)
DE (1) DE69810905T2 (zh)
EA (1) EA002480B1 (zh)
EE (1) EE9900386A (zh)
ES (1) ES2191925T3 (zh)
GB (1) GB9704486D0 (zh)
GE (1) GEP20022748B (zh)
HK (1) HK1022398A1 (zh)
HU (1) HUP0002652A3 (zh)
ID (1) ID20143A (zh)
IL (1) IL131485A0 (zh)
NO (1) NO994288L (zh)
NZ (1) NZ336943A (zh)
PL (1) PL335366A1 (zh)
SK (1) SK119499A3 (zh)
TR (1) TR199902177T2 (zh)
TW (1) TW462199B (zh)
WO (1) WO1998039947A1 (zh)
YU (1) YU39599A (zh)
ZA (1) ZA981662B (zh)

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9818959D0 (en) * 1998-09-02 1998-10-21 New Transducers Ltd Panelform loudspeaker
GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
ATE303051T1 (de) * 1998-06-22 2005-09-15 Slab Technology Ltd Lautsprecher
GB9903044D0 (en) * 1999-02-11 1999-03-31 New Transducers Ltd Loudspeakers
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
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
GB2386790B (en) * 2001-03-23 2004-08-18 New Transducers Ltd Bending wave acoustic radiator
US7002070B2 (en) 2001-06-22 2006-02-21 Shelley Katz Electronic piano
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US7010143B2 (en) * 2002-08-22 2006-03-07 Tai-Yan Kam Rectangular panel-form loudspeaker and its radiating panel
CN1759635A (zh) * 2003-01-22 2006-04-12 谢利·卡茨 用于再现声音的装置和方法
WO2006011604A1 (ja) * 2004-07-30 2006-02-02 Matsushita Electric Industrial Co., Ltd. スピーカシステム、携帯端末装置および電子機器
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
US11431312B2 (en) 2004-08-10 2022-08-30 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
JP4779526B2 (ja) * 2005-09-15 2011-09-28 日本電気株式会社 パネルスピーカ
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
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
JP4793018B2 (ja) 2006-02-20 2011-10-12 パナソニック株式会社 振動板とそれを用いたスピーカ
KR100883241B1 (ko) * 2007-01-31 2009-02-10 욘 싱 인더스트리얼 컴퍼니., 리미티드. 음향의 물리적 특성을 따르는 전대역 단일체 음향막을 갖는 음향장치
DE102007041850A1 (de) * 2007-09-03 2009-03-05 Robert Bosch Gmbh Ultraschallsensor mit einem Trägerelement und einer Membran, wobei die Membran in das Trägerelement eingebettet ist
GB0811015D0 (en) * 2008-06-17 2008-07-23 Deben Acoustics Improved acoustic device
CA2808716C (en) 2010-08-23 2018-03-06 Nokia Corporation Apparatus and method for providing haptic and audio feedback in a touch sensitive user interface
CH704183A2 (fr) * 2010-12-02 2012-06-15 Montres Breguet Sa Membrane de rayonnement acoustique pour une boite a musique ou une montre a sonnerie.
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
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
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
US9628917B2 (en) * 2014-07-23 2017-04-18 Bose Corporation Sound producing system
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
DE102015217778B4 (de) * 2015-09-17 2019-05-29 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler
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
GB2564061B (en) * 2016-06-27 2020-12-16 Amina Tech Limited Speaker panel
GB2551723B (en) 2016-06-27 2018-11-28 Amina Tech Limited Speaker Panel
EP3273210B1 (de) * 2016-07-18 2022-05-18 VEGA Grieshaber KG Vibrationsgrenzstandsschalter und verfahren zur herstellung eines vibrationsgrenzstandsschalter
GB2568282B (en) * 2017-11-10 2020-11-25 Amina Tech Limited Flat panel loudspeaker
AU2019252524A1 (en) 2018-04-11 2020-11-05 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
WO2022121590A1 (zh) * 2020-12-09 2022-06-16 青岛海信激光显示股份有限公司 发声板及投影屏幕
CN112584288B (zh) * 2020-12-09 2023-03-14 青岛海信激光显示股份有限公司 发声板及投影屏幕
CN113642202A (zh) * 2021-06-29 2021-11-12 东风汽车集团股份有限公司 一种变厚度薄板

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441981A1 (fr) * 1978-11-20 1980-06-13 Sony Corp Transducteur electro-acoustique tel que haut-parleur
GB2074812A (en) * 1980-04-21 1981-11-04 Matsushita Electric Ind Co Ltd A method of manufacturing a speaker diaphragm
JPH01311795A (ja) * 1988-06-10 1989-12-15 Minebea Co Ltd スピーカ用振動板
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

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2441981A1 (fr) * 1978-11-20 1980-06-13 Sony Corp Transducteur electro-acoustique tel que haut-parleur
GB2074812A (en) * 1980-04-21 1981-11-04 Matsushita Electric Ind Co Ltd A method of manufacturing a speaker diaphragm
JPH01311795A (ja) * 1988-06-10 1989-12-15 Minebea Co Ltd スピーカ用振動板
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

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
PATENT ABSTRACTS OF JAPAN vol. 14, no. 112 (E - 0897) 28 February 1990 (1990-02-28) *

Also Published As

Publication number Publication date
IL131485A0 (en) 2001-01-28
CN1157999C (zh) 2004-07-14
NO994288D0 (no) 1999-09-03
TR199902177T2 (xx) 2000-01-21
NZ336943A (en) 2001-02-23
EE9900386A (et) 2000-04-17
TW462199B (en) 2001-11-01
AR011920A1 (es) 2000-09-13
HUP0002652A2 (hu) 2000-12-28
BG103669A (en) 2000-03-31
EP0965245B1 (en) 2003-01-22
PL335366A1 (en) 2000-04-25
ID20143A (id) 1998-10-08
NO994288L (no) 1999-09-03
ES2191925T3 (es) 2003-09-16
GB9704486D0 (en) 1997-04-23
EA002480B1 (ru) 2002-06-27
GEP20022748B (en) 2002-07-25
HK1022398A1 (en) 2000-08-04
JP2001513967A (ja) 2001-09-04
CZ310299A3 (cs) 1999-12-15
SK119499A3 (en) 2000-08-14
AU735051B2 (en) 2001-06-28
CN1249892A (zh) 2000-04-05
ZA981662B (en) 1998-09-03
HUP0002652A3 (en) 2001-11-28
ATE231677T1 (de) 2003-02-15
KR20000075889A (ko) 2000-12-26
EA199900793A1 (ru) 2000-04-24
AU6305398A (en) 1998-09-22
EP0965245A1 (en) 1999-12-22
WO1998039947A1 (en) 1998-09-11
YU39599A (sh) 2001-12-26
CA2283381A1 (en) 1998-09-11
BR9808169A (pt) 2000-05-16
DE69810905T2 (de) 2003-12-24
EP1133212A2 (en) 2001-09-12
DE69810905D1 (de) 2003-02-27

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