DE69839134D1 - Active acoustic device - Google Patents

Active acoustic device

Info

Publication number
DE69839134D1
DE69839134D1 DE69839134T DE69839134T DE69839134D1 DE 69839134 D1 DE69839134 D1 DE 69839134D1 DE 69839134 T DE69839134 T DE 69839134T DE 69839134 T DE69839134 T DE 69839134T DE 69839134 D1 DE69839134 D1 DE 69839134D1
Authority
DE
Germany
Prior art keywords
acoustic device
active acoustic
active
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.)
Expired - Lifetime
Application number
DE69839134T
Other languages
German (de)
Other versions
DE69839134T2 (en
Inventor
Farad Azima
Henry Azima
Martin Colloms
Graham Bank
Nicholas Patrick Roland Hill
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
Priority claimed from GBGB9801054.9A external-priority patent/GB9801054D0/en
Priority claimed from GBGB9801057.2A external-priority patent/GB9801057D0/en
Priority claimed from GBGB9811100.8A external-priority patent/GB9811100D0/en
Priority claimed from GBGB9813293.9A external-priority patent/GB9813293D0/en
Application filed by New Transducers Ltd filed Critical New Transducers Ltd
Publication of DE69839134D1 publication Critical patent/DE69839134D1/en
Application granted granted Critical
Publication of DE69839134T2 publication Critical patent/DE69839134T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • H04R7/26—Damping by means acting directly on free portion of diaphragm or cone
    • 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
    • H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
    • 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)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
DE69839134T 1998-01-20 1999-01-15 Active acoustic device Expired - Lifetime DE69839134T2 (en)

Applications Claiming Priority (8)

Application Number Priority Date Filing Date Title
GBGB9801054.9A GB9801054D0 (en) 1998-01-20 1998-01-20 Acoustic panels
GB9801054 1998-01-20
GB9801057 1998-01-20
GBGB9801057.2A GB9801057D0 (en) 1998-01-20 1998-01-20 Acoustic panels
GB9811100 1998-05-23
GBGB9811100.8A GB9811100D0 (en) 1998-05-23 1998-05-23 Acoustic panels
GB9813293 1998-06-20
GBGB9813293.9A GB9813293D0 (en) 1998-06-20 1998-06-20 Acoustic panels

Publications (2)

Publication Number Publication Date
DE69839134D1 true DE69839134D1 (en) 2008-03-27
DE69839134T2 DE69839134T2 (en) 2009-02-12

Family

ID=27451742

Family Applications (2)

Application Number Title Priority Date Filing Date
DE69839134T Expired - Lifetime DE69839134T2 (en) 1998-01-20 1999-01-15 Active acoustic device
DE69921295T Active DE69921295T8 (en) 1998-01-20 1999-01-15 Active acoustic devices with plate-shaped elements

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE69921295T Active DE69921295T8 (en) 1998-01-20 1999-01-15 Active acoustic devices with plate-shaped elements

Country Status (23)

Country Link
EP (2) EP1050190B1 (en)
JP (1) JP4173283B2 (en)
KR (1) KR100646191B1 (en)
CN (1) CN1287766B (en)
AR (1) AR014430A1 (en)
AT (1) ATE280482T1 (en)
AU (1) AU747693B2 (en)
BG (1) BG104543A (en)
BR (1) BR9907145A (en)
CA (1) CA2318292A1 (en)
DE (2) DE69839134T2 (en)
EA (1) EA200000781A1 (en)
HK (1) HK1029247A1 (en)
HU (1) HUP0102858A3 (en)
IL (1) IL136820A0 (en)
NO (1) NO20003705L (en)
NZ (1) NZ504133A (en)
PL (1) PL341377A1 (en)
SK (1) SK10822000A3 (en)
TR (1) TR200002108T2 (en)
TW (1) TW432889B (en)
WO (1) WO1999037121A1 (en)
YU (1) YU36800A (en)

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EP1271998B1 (en) 2001-06-28 2008-04-16 Matsushita Electric Industrial Co., Ltd. Speaker system, mobile terminal device, and electronic device
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US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
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GB0405475D0 (en) 2004-03-11 2004-04-21 New Transducers Ltd Loudspeakers
DE102004032223A1 (en) * 2004-07-02 2006-01-19 Siemens Ag Audiovisual arrangement
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
US11431312B2 (en) 2004-08-10 2022-08-30 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
JP4700323B2 (en) * 2004-10-28 2011-06-15 ホシデン株式会社 Flat panel speaker
JP4072542B2 (en) * 2005-03-14 2008-04-09 Ｎｅｃアクセステクニカ株式会社 Speaker integrated display
EP1938660A4 (en) 2005-10-13 2014-03-26 Donnelly Corp Acoustical window assembly for vehicle
US8389120B2 (en) 2005-12-07 2013-03-05 Agc Glass Europe Sound-generating glazing
RU2436747C2 (en) * 2005-12-07 2011-12-20 Агк Гласс Юроп Sound-generating glasing
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
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
DE102006056394B4 (en) * 2006-11-29 2010-05-20 Siemens Ag lighting device
GB2471474B (en) * 2009-06-30 2014-11-19 New Transducers Ltd Actuator
JP5527878B2 (en) * 2009-07-30 2014-06-25 トムソン ライセンシング Display device and audio output device
FR2955226B1 (en) * 2010-01-08 2011-12-30 Commissariat Energie Atomique ACOUSTIC WAVE DETECTION DEVICE AND SYSTEM FOR LOCATING ACOUSTIC WAVE SOURCE
JP5796188B2 (en) 2010-04-15 2015-10-21 パナソニックＩｐマネジメント株式会社 Piezoelectric speaker
JP2012105021A (en) * 2010-11-09 2012-05-31 Sony Corp Speaker device
US8983098B2 (en) * 2012-08-14 2015-03-17 Turtle Beach Corporation Substantially planate parametric emitter and associated methods
US20150381024A9 (en) * 2013-03-14 2015-12-31 Lewis Athanas Linear Loudspeaker Motor
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
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
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9660596B2 (en) * 2015-01-23 2017-05-23 Tectonic Audio Labs Audio transducer stabilization system and method
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
CN104789473B (en) * 2015-05-18 2018-02-09 宁波大学 A kind of impermeable protective agent frozen for microalgae
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
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US11659309B2 (en) 2016-02-27 2023-05-23 Sony Group Corporation Display apparatus
US11115740B2 (en) 2016-12-27 2021-09-07 Sony Corporation Flat panel speaker and display unit
JP6950742B2 (en) * 2017-10-04 2021-10-13 Ａｇｃ株式会社 Display and television equipment
EP3734995A4 (en) 2017-12-28 2021-03-17 Sony Corporation Display apparatus and signal generating apparatus
KR20200100623A (en) 2017-12-28 2020-08-26 소니 주식회사 Display device
CN108510436B (en) * 2018-03-28 2020-09-15 清华大学 Method and system for searching reconstruction parameters in three-dimensional reconstruction of cryoelectron microscope
KR20200143707A (en) 2018-04-11 2020-12-24 본지오비 어커스틱스 엘엘씨 Audio enhancement 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
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JP2022504816A (en) * 2018-10-13 2022-01-13 ザ ユニヴァーシティ オヴ ロチェスター Methods, systems, and devices for selective mode control to vibrate structures
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UA51671C2 (en) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Acoustic device

Also Published As

Publication number Publication date
EP1050190B1 (en) 2004-10-20
EP1414266A2 (en) 2004-04-28
KR100646191B1 (en) 2006-11-17
KR20010024874A (en) 2001-03-26
TR200002108T2 (en) 2000-11-21
ATE280482T1 (en) 2004-11-15
DE69921295D1 (en) 2004-11-25
EP1050190A1 (en) 2000-11-08
SK10822000A3 (en) 2000-12-11
WO1999037121A1 (en) 1999-07-22
NO20003705D0 (en) 2000-07-19
IL136820A0 (en) 2001-06-14
BG104543A (en) 2001-01-31
PL341377A1 (en) 2001-04-09
JP2002510182A (en) 2002-04-02
CA2318292A1 (en) 1999-07-22
AU747693B2 (en) 2002-05-16
EP1414266A3 (en) 2006-08-16
DE69839134T2 (en) 2009-02-12
TW432889B (en) 2001-05-01
JP4173283B2 (en) 2008-10-29
AR014430A1 (en) 2001-02-28
BR9907145A (en) 2000-10-24
CN1287766A (en) 2001-03-14
NZ504133A (en) 2002-03-28
EA200000781A1 (en) 2000-12-25
HK1029247A1 (en) 2001-03-23
DE69921295T2 (en) 2006-02-09
NO20003705L (en) 2000-09-20
HUP0102858A3 (en) 2003-03-28
HUP0102858A2 (en) 2001-12-28
CN1287766B (en) 2010-06-23
EP1414266B1 (en) 2008-02-13
YU36800A (en) 2002-03-18
DE69921295T8 (en) 2006-07-06
AU2068199A (en) 1999-08-02

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition