CA2234944A1 - Display screens incorporating loudspeakers - Google Patents

Display screens incorporating loudspeakers Download PDF

Info

Publication number
CA2234944A1
CA2234944A1 CA002234944A CA2234944A CA2234944A1 CA 2234944 A1 CA2234944 A1 CA 2234944A1 CA 002234944 A CA002234944 A CA 002234944A CA 2234944 A CA2234944 A CA 2234944A CA 2234944 A1 CA2234944 A1 CA 2234944A1
Authority
CA
Canada
Prior art keywords
panel
display screen
screen according
area
acoustic
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.)
Abandoned
Application number
CA002234944A
Other languages
English (en)
French (fr)
Inventor
Neil Harris
Henry Azima
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
Individual
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=34865232&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2234944(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 Individual filed Critical Individual
Publication of CA2234944A1 publication Critical patent/CA2234944A1/en
Abandoned 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
    • H04R5/00—Stereophonic arrangements
    • H04R5/02—Spatial or constructional arrangements of loudspeakers
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2307/00—Details of diaphragms or cones for electromechanical transducers, their suspension or their manufacture covered by H04R7/00 or H04R31/003, not provided for in any of its subgroups
    • H04R2307/029—Diaphragms comprising fibres
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/15—Transducers incorporated in visual displaying devices, e.g. televisions, computer displays, laptops

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
  • Devices For Indicating Variable Information By Combining Individual Elements (AREA)
  • Overhead Projectors And Projection Screens (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Transforming Electric Information Into Light Information (AREA)
  • Controls And Circuits For Display Device (AREA)
  • Projection Apparatus (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
CA002234944A 1995-09-02 1996-09-02 Display screens incorporating loudspeakers Abandoned CA2234944A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GBGB9517918.0A GB9517918D0 (en) 1995-09-02 1995-09-02 Acoustic device
GB9517918.0 1995-09-02
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/GB1996/002137 WO1997009853A2 (en) 1995-09-02 1996-09-02 Display screens incorporating loudspeakers

Publications (1)

Publication Number Publication Date
CA2234944A1 true CA2234944A1 (en) 1997-03-13

Family

ID=34865232

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002234944A Abandoned CA2234944A1 (en) 1995-09-02 1996-09-02 Display screens incorporating loudspeakers

Country Status (21)

Country Link
EP (1) EP0847670B1 (ru)
JP (1) JPH11512245A (ru)
CN (1) CN1195461A (ru)
AT (1) ATE177579T1 (ru)
AU (1) AU702865B2 (ru)
BR (1) BR9610553A (ru)
CA (1) CA2234944A1 (ru)
CZ (1) CZ58598A3 (ru)
DE (1) DE69601729T2 (ru)
DK (1) DK0847670T3 (ru)
EA (1) EA000619B1 (ru)
ES (1) ES2130845T3 (ru)
HK (1) HK1008646A1 (ru)
HU (1) HUP9901396A3 (ru)
IL (1) IL123486A (ru)
NZ (1) NZ316543A (ru)
PL (1) PL325235A1 (ru)
RO (1) RO119050B1 (ru)
SK (1) SK26698A3 (ru)
TR (1) TR199800362T1 (ru)
WO (1) WO1997009853A2 (ru)

Families Citing this family (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9709969D0 (en) * 1997-05-17 1997-07-09 New Transducers Ltd An acoustic object
DE19821624A1 (de) 1998-05-15 1999-11-18 Nokia Deutschland Gmbh Projektionswand
ATE303051T1 (de) 1998-06-22 2005-09-15 Slab Technology Ltd Lautsprecher
DE19840375C2 (de) * 1998-09-04 2003-08-28 Harman Audio Electronic Sys Schallwand
US6304435B1 (en) 1998-11-12 2001-10-16 Acer Incorporated Laptop computer with flat panel speakers
US6911901B2 (en) 2000-12-20 2005-06-28 New Transducers Limited Multi-functional vibro-acoustic device
DE20114680U1 (de) * 2001-09-06 2003-01-16 G & B Pronova Gmbh Projektionsschirm
FR2853802B1 (fr) * 2003-04-11 2005-06-24 Pierre Denis Rene Vincent Installation pour la projection d'oeuvres cinematographiques ou numeriques sonores
DE102004032223A1 (de) * 2004-07-02 2006-01-19 Siemens Ag Audiovisuelle Anordnung
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
DE102005027389A1 (de) * 2005-05-03 2006-11-09 Puren Gmbh Bildprojektionsvorrichtung
DE102005058175A1 (de) * 2005-12-05 2007-06-06 Volkswagen Ag Lautsprecheranordnung zur Beschallung in einem Kraftfahrzeug
DE102006003830B4 (de) * 2006-01-26 2013-07-25 Siemens Aktiengesellschaft Umgebungsbeleuchtungseinrichtung
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
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
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
AU2006233206B1 (en) * 2006-06-08 2007-07-05 B&R Enclosures Pty Ltd An electrical enclosure for a domestic dwelling
GB0724149D0 (en) 2007-12-11 2008-01-23 New Transducers Ltd Touch-sensitive device
GB2462465B (en) * 2008-08-08 2013-02-13 Hiwave Technologies Uk Ltd Touch sensitive device
DE102008047796A1 (de) * 2008-09-17 2010-04-15 Siemens Aktiengesellschaft Vorrichtung zur Erzeugung von breitbandigem Schall im Hörbereich des Menschen
EP2499538B1 (de) 2009-11-13 2017-01-04 Kommanditgesellschaft Synoptrix Lichttechnik GmbH & Co. System und verfahren zur darstellung optischer effekte
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
CN104698731A (zh) * 2013-12-04 2015-06-10 深圳市云立方信息科技有限公司 一种具有扩音功能的投影幕
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
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
WO2016003962A1 (en) 2014-07-01 2016-01-07 Corning Incorporated Cross-cancellation of audio signals in a stereo flat panel speaker
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
CN105872862A (zh) * 2015-01-23 2016-08-17 冠捷投资有限公司 具有外置式扬声器的显示器
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
FI20165142A (fi) * 2016-02-24 2017-08-25 Panphonics Oy Äänentoistojärjestelmä
KR102487905B1 (ko) * 2016-03-31 2023-01-12 엘지전자 주식회사 프로젝터 장치
CN106773505B (zh) * 2016-12-16 2018-05-22 新乡医学院 一种高增益白塑投影幕布
DE102017107958B4 (de) * 2017-04-12 2018-11-15 AIFC Unternehmensförderungsgesellschaft mbH & Co. KG Lautsprecher mit aufrollbarer Membrane
CN107561842B (zh) * 2017-10-17 2024-03-08 江苏久誉显示科技有限公司 一种声画集成式投影幕
CN108462917B (zh) * 2018-03-30 2020-03-17 四川长虹电器股份有限公司 电磁激励能量转换器和激光投影光学音响屏幕及其同步显示方法
US11211043B2 (en) 2018-04-11 2021-12-28 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
RU202870U1 (ru) * 2020-11-23 2021-03-11 Общество с ограниченной ответственностью «ТопМедиа» Информационный экран info
AT525365B1 (de) * 2022-05-25 2023-03-15 Cale3D Prime Gmbh Elektroakustischer Wandler

Family Cites Families (6)

* 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 (ru) * 1977-11-26 1982-10-22
US5025474A (en) * 1987-09-29 1991-06-18 Matsushita Electric Industrial Co., Ltd. Speaker system with image projection screen
JPH0279687A (ja) * 1988-09-16 1990-03-20 Murata Mfg Co Ltd 平面テレビ用圧電スピーカ
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
JP3118363B2 (ja) * 1994-02-25 2000-12-18 株式会社ケンウッド スピーカシステム

Also Published As

Publication number Publication date
ATE177579T1 (de) 1999-03-15
IL123486A (en) 2000-10-31
DK0847670T3 (da) 1999-09-27
PL325235A1 (en) 1998-07-06
CZ58598A3 (cs) 1998-08-12
AU702865B2 (en) 1999-03-11
HUP9901396A3 (en) 2002-02-28
WO1997009853A3 (en) 1997-04-03
SK26698A3 (en) 1998-09-09
BR9610553A (pt) 1999-12-21
NZ316543A (en) 1998-10-28
IL123486A0 (en) 1998-09-24
AU6880196A (en) 1997-03-27
EA199800260A1 (ru) 1998-08-27
WO1997009853A2 (en) 1997-03-13
EP0847670A1 (en) 1998-06-17
HUP9901396A2 (hu) 1999-08-30
EP0847670B1 (en) 1999-03-10
RO119050B1 (ro) 2004-02-27
CN1195461A (zh) 1998-10-07
EA000619B1 (ru) 1999-12-29
DE69601729T2 (de) 1999-09-16
ES2130845T3 (es) 1999-07-01
DE69601729D1 (de) 1999-04-15
HK1008646A1 (en) 1999-05-14
JPH11512245A (ja) 1999-10-19
TR199800362T1 (xx) 1998-05-21

Similar Documents

Publication Publication Date Title
EP0847670B1 (en) Display screens incorporating loudspeakers
US6389935B1 (en) Acoustic display screen
US6198831B1 (en) Panel-form loudspeakers
US6215881B1 (en) Ceiling tile loudspeaker
EP0847659B1 (en) Loudspeakers comprising panel-form acoustic radiating elements
AU702999B2 (en) A portable compact disc player
EP0847662B1 (en) Loudspeakers comprising panel-form acoustic radiating elements
EP0847669B1 (en) Visual display means incorporating loudspeakers
US6351542B2 (en) Loudspeakers with panel-form acoustic radiating elements
EP0847674B1 (en) Musical instruments incorporating loudspeakers
EP0847668B1 (en) Loudspeakers with panel-form acoustic radiating elements
EP0847664B1 (en) Loudspeakers comprising panel-form acoustic radiating elements
KR19990044032A (ko) 라우드스피커를 포함한 디스플레이 스크린
CA2230064A1 (en) Personal computers
US6327369B1 (en) Loudspeakers comprising panel-form acoustic radiating elements
US6201878B1 (en) Portable compact disc player
EP0847666B1 (en) Panel-form loudspeakers

Legal Events

Date Code Title Description
EEER Examination request
FZDE Discontinued