BR9909496A - Dispositivo acústico - Google Patents

Dispositivo acústico

Info

Publication number
BR9909496A
BR9909496A BR9909496-7A BR9909496A BR9909496A BR 9909496 A BR9909496 A BR 9909496A BR 9909496 A BR9909496 A BR 9909496A BR 9909496 A BR9909496 A BR 9909496A
Authority
BR
Brazil
Prior art keywords
panel
resonant
acoustic
cavity
acoustic device
Prior art date
Application number
BR9909496-7A
Other languages
English (en)
Portuguese (pt)
Inventor
Henry Azima
Joerg Panker
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 BR9909496A publication Critical patent/BR9909496A/pt

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00Details of transducers, loudspeakers or microphones
    • H04R1/20Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/045Plane 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
BR9909496-7A 1998-04-07 1999-04-06 Dispositivo acústico BR9909496A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9807316.6A GB9807316D0 (en) 1998-04-07 1998-04-07 Loudspeaker
PCT/GB1999/001048 WO1999052322A1 (en) 1998-04-07 1999-04-06 Acoustic device

Publications (1)

Publication Number Publication Date
BR9909496A true BR9909496A (pt) 2000-12-12

Family

ID=10829902

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9909496-7A BR9909496A (pt) 1998-04-07 1999-04-06 Dispositivo acústico

Country Status (25)

Country Link
EP (1) EP1070437B1 (de)
JP (1) JP2002511681A (de)
KR (1) KR20010042491A (de)
CN (1) CN100417304C (de)
AR (1) AR019019A1 (de)
AT (1) ATE334567T1 (de)
AU (1) AU3340099A (de)
BG (1) BG104811A (de)
BR (1) BR9909496A (de)
CA (1) CA2326193A1 (de)
DE (1) DE69932507T2 (de)
EA (1) EA200001038A1 (de)
GB (1) GB9807316D0 (de)
HK (1) HK1030327A1 (de)
HU (1) HUP0103916A3 (de)
ID (1) ID27518A (de)
IL (1) IL138310A0 (de)
NO (1) NO20005056L (de)
NZ (1) NZ506732A (de)
PL (1) PL343440A1 (de)
SK (1) SK14932000A3 (de)
TR (1) TR200002920T2 (de)
TW (1) TW462201B (de)
WO (1) WO1999052322A1 (de)
ZA (1) ZA200004675B (de)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0114501D0 (en) * 2001-06-14 2001-08-08 New Transducers Ltd Mobile telephone
DE50115744D1 (de) * 2001-07-13 2011-01-27 Harman Becker Automotive Sys Plattenlautsprecher
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
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
JP4072542B2 (ja) * 2005-03-14 2008-04-09 Necアクセステクニカ株式会社 スピーカ一体型ディスプレイ
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
US10848867B2 (en) 2006-02-07 2020-11-24 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
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
JP2010206557A (ja) * 2009-03-04 2010-09-16 Panasonic Corp 建築材料
KR101496911B1 (ko) * 2009-03-23 2015-02-27 삼성전자 주식회사 사운드 검사 시스템 및 그 방법
CN102711029A (zh) * 2012-01-09 2012-10-03 瑞声声学科技(深圳)有限公司 一种麦克风固有噪声电压的测试方法及测试装置
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
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 (ja) 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 表面音響変換器
KR101704517B1 (ko) 2016-03-28 2017-02-09 엘지디스플레이 주식회사 패널 진동형 음향 발생 표시 장치
KR102663406B1 (ko) 2016-04-04 2024-05-14 엘지디스플레이 주식회사 패널 진동형 음향 발생 액츄에이터 및 그를 포함하는 양면 표시 장치
KR20170114471A (ko) 2016-04-05 2017-10-16 엘지디스플레이 주식회사 유기발광 표시 장치
US10219079B2 (en) 2016-03-28 2019-02-26 Lg Display Co., Ltd. Display device for generating sound by vibrating panel
US11211043B2 (en) 2018-04-11 2021-12-28 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
US20200388265A1 (en) * 2019-06-10 2020-12-10 Toyota Motor Engineering & Manufacturing North America, Inc. Sound isolation device
KR102215716B1 (ko) * 2019-10-21 2021-02-18 삼원액트 주식회사 음향재생기능을 갖는 패널
AT525365B1 (de) 2022-05-25 2023-03-15 Cale3D Prime Gmbh Elektroakustischer Wandler

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4914750A (en) * 1987-07-13 1990-04-03 Avm Hess, Inc. Sound transducer
ATE179045T1 (de) * 1995-09-02 1999-04-15 New Transducers Ltd Inertial schwingungswandler
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
EA000836B1 (ru) * 1995-09-02 2000-04-24 Нью Трэнсдьюсерз Лимитед Инерционный вибрационный преобразователь

Also Published As

Publication number Publication date
NO20005056L (no) 2000-12-06
JP2002511681A (ja) 2002-04-16
AR019019A1 (es) 2001-12-26
WO1999052322A1 (en) 1999-10-14
ZA200004675B (en) 2002-02-27
IL138310A0 (en) 2001-10-31
CA2326193A1 (en) 1999-10-14
BG104811A (en) 2001-07-31
CN1296719A (zh) 2001-05-23
DE69932507T2 (de) 2007-07-19
EP1070437B1 (de) 2006-07-26
TR200002920T2 (tr) 2000-12-21
NO20005056D0 (no) 2000-10-06
EP1070437A1 (de) 2001-01-24
HUP0103916A2 (hu) 2002-03-28
GB9807316D0 (en) 1998-06-03
HK1030327A1 (en) 2001-04-27
NZ506732A (en) 2002-11-26
TW462201B (en) 2001-11-01
ID27518A (id) 2001-04-12
KR20010042491A (ko) 2001-05-25
EA200001038A1 (ru) 2001-04-23
ATE334567T1 (de) 2006-08-15
CN100417304C (zh) 2008-09-03
SK14932000A3 (sk) 2001-05-10
AU3340099A (en) 1999-10-25
PL343440A1 (en) 2001-08-13
HUP0103916A3 (en) 2002-12-28
DE69932507D1 (de) 2006-09-07

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]