TW462201B - Acoustic device - Google Patents

Acoustic device Download PDF

Info

Publication number
TW462201B
TW462201B TW088105770A TW88105770A TW462201B TW 462201 B TW462201 B TW 462201B TW 088105770 A TW088105770 A TW 088105770A TW 88105770 A TW88105770 A TW 88105770A TW 462201 B TW462201 B TW 462201B
Authority
TW
Taiwan
Prior art keywords
wall
mode
cavity
resonant
acoustic
Prior art date
Application number
TW088105770A
Other languages
English (en)
Chinese (zh)
Inventor
Henry Azima
Joerg Panzer
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
Application granted granted Critical
Publication of TW462201B publication Critical patent/TW462201B/zh

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Multimedia (AREA)
  • Otolaryngology (AREA)
  • Health & Medical Sciences (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Fittings On The Vehicle Exterior For Carrying Loads, And Devices For Holding Or Mounting Articles (AREA)
TW088105770A 1998-04-07 1999-04-12 Acoustic device TW462201B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9807316.6A GB9807316D0 (en) 1998-04-07 1998-04-07 Loudspeaker

Publications (1)

Publication Number Publication Date
TW462201B true TW462201B (en) 2001-11-01

Family

ID=10829902

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088105770A TW462201B (en) 1998-04-07 1999-04-12 Acoustic device

Country Status (24)

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)
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
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
US8284955B2 (en) 2006-02-07 2012-10-09 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
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
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
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
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
US9615813B2 (en) 2014-04-16 2017-04-11 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
US10639000B2 (en) 2014-04-16 2020-05-05 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
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
KR20170114471A (ko) 2016-04-05 2017-10-16 엘지디스플레이 주식회사 유기발광 표시 장치
KR101704517B1 (ko) 2016-03-28 2017-02-09 엘지디스플레이 주식회사 패널 진동형 음향 발생 표시 장치
US10237656B2 (en) 2016-03-28 2019-03-19 Lg Display Co., Ltd. Panel vibration type sound generating display device
KR102663406B1 (ko) 2016-04-04 2024-05-14 엘지디스플레이 주식회사 패널 진동형 음향 발생 액츄에이터 및 그를 포함하는 양면 표시 장치
AU2019252524A1 (en) 2018-04-11 2020-11-05 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
IL123375A (en) * 1995-09-02 2000-10-31 New Transducers Ltd Inertial vibration transducers
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
JPH11512256A (ja) * 1995-09-02 1999-10-19 ニュー トランスデューサーズ リミテッド 慣性振動トランスジューサ

Also Published As

Publication number Publication date
CN1296719A (zh) 2001-05-23
JP2002511681A (ja) 2002-04-16
DE69932507T2 (de) 2007-07-19
GB9807316D0 (en) 1998-06-03
BR9909496A (pt) 2000-12-12
ZA200004675B (en) 2002-02-27
SK14932000A3 (sk) 2001-05-10
HUP0103916A2 (hu) 2002-03-28
KR20010042491A (ko) 2001-05-25
ID27518A (id) 2001-04-12
EP1070437A1 (de) 2001-01-24
CN100417304C (zh) 2008-09-03
ATE334567T1 (de) 2006-08-15
AU3340099A (en) 1999-10-25
NZ506732A (en) 2002-11-26
BG104811A (en) 2001-07-31
AR019019A1 (es) 2001-12-26
EA200001038A1 (ru) 2001-04-23
DE69932507D1 (de) 2006-09-07
PL343440A1 (en) 2001-08-13
HK1030327A1 (en) 2001-04-27
TR200002920T2 (tr) 2000-12-21
NO20005056D0 (no) 2000-10-06
EP1070437B1 (de) 2006-07-26
IL138310A0 (en) 2001-10-31
CA2326193A1 (en) 1999-10-14
NO20005056L (no) 2000-12-06
WO1999052322A1 (en) 1999-10-14
HUP0103916A3 (en) 2002-12-28

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GD4A Issue of patent certificate for granted invention patent
MM4A Annulment or lapse of patent due to non-payment of fees