TW465252B - Acoustic device - Google Patents

Acoustic device Download PDF

Info

Publication number
TW465252B
TW465252B TW088114630A TW88114630A TW465252B TW 465252 B TW465252 B TW 465252B TW 088114630 A TW088114630 A TW 088114630A TW 88114630 A TW88114630 A TW 88114630A TW 465252 B TW465252 B TW 465252B
Authority
TW
Taiwan
Prior art keywords
board
patent application
sound
exciter
bending
Prior art date
Application number
TW088114630A
Other languages
English (en)
Chinese (zh)
Inventor
Henry Azima
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 TW465252B publication Critical patent/TW465252B/zh

Links

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
    • H04R7/06Plane diaphragms comprising a plurality of sections or layers
    • 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
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms

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)
  • Building Environments (AREA)
TW088114630A 1998-09-02 1999-08-26 Acoustic device TW465252B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9818959.0A GB9818959D0 (en) 1998-09-02 1998-09-02 Panelform loudspeaker

Publications (1)

Publication Number Publication Date
TW465252B true TW465252B (en) 2001-11-21

Family

ID=10838108

Family Applications (1)

Application Number Title Priority Date Filing Date
TW088114630A TW465252B (en) 1998-09-02 1999-08-26 Acoustic device

Country Status (26)

Country Link
EP (1) EP1110426B1 (de)
JP (1) JP2002524994A (de)
KR (1) KR20010074943A (de)
CN (1) CN1157998C (de)
AR (1) AR020361A1 (de)
AT (1) ATE260534T1 (de)
AU (1) AU5524299A (de)
BG (1) BG105261A (de)
BR (1) BR9913391A (de)
CA (1) CA2342764A1 (de)
DE (1) DE69915083T2 (de)
EA (1) EA002629B1 (de)
GB (1) GB9818959D0 (de)
HU (1) HUP0103191A2 (de)
ID (1) ID28655A (de)
IL (1) IL141634A0 (de)
NO (1) NO20011080L (de)
PE (1) PE20001147A1 (de)
PL (1) PL346418A1 (de)
SK (1) SK2842001A3 (de)
TR (1) TR200100682T2 (de)
TW (1) TW465252B (de)
UY (1) UY25689A1 (de)
WO (1) WO2000015000A1 (de)
YU (1) YU17201A (de)
ZA (1) ZA200100759B (de)

Families Citing this family (32)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2002060218A1 (de) * 2001-01-26 2002-08-01 Harman Audio Electronic Systems Gmbh Plattenlautsprecher
GB0007025D0 (en) * 2000-03-23 2000-05-10 New Transducers Ltd Loudspeakers
DE10025460B4 (de) * 2000-05-23 2004-03-18 Harman Audio Electronic Systems Gmbh Hochtonlautsprecher
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
US7062051B2 (en) 2001-08-17 2006-06-13 New Transducers Limited Acoustic device
SE523321C2 (sv) * 2002-06-20 2004-04-13 Covial Device Ab Sätt och anordning för avkänning och indikering av akustisk emission
JP2005236352A (ja) * 2004-02-17 2005-09-02 Authentic Ltd 表示装置用パネル型スピーカ
JP5085318B2 (ja) 2004-04-16 2012-11-28 ニュー トランスデューサーズ リミテッド 音響装置及び音響装置製造方法
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
GB0414082D0 (en) * 2004-06-24 2004-07-28 New Transducers Ltd Bending wave devices
DE102004061314A1 (de) 2004-12-20 2006-07-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Lautsprechermemebran und Verfahren zum Herstellen einer Lautsprechermembran
ITMI20051106A1 (it) * 2005-06-13 2006-12-14 Enrico Ciresa S R L Pannello sonoro per la diffusione di suoni e musica e relativo procedimento di fabbricazione.
JP4779526B2 (ja) * 2005-09-15 2011-09-28 日本電気株式会社 パネルスピーカ
WO2007054919A1 (en) * 2005-11-14 2007-05-18 Nxp B.V. Asymmetrical moving system for a piezoelectric speaker and asymmetrical speaker
GB0601076D0 (en) 2006-01-19 2006-03-01 New Transducers Ltd Acoustic device and method of making acoustic device
JP5541022B2 (ja) * 2010-09-10 2014-07-09 株式会社村田製作所 振動装置
JP2012119882A (ja) * 2010-11-30 2012-06-21 Murata Mfg Co Ltd 振動装置
DE102013010654A1 (de) 2013-06-26 2014-12-31 Tobias Weiss Biegewellenlautsprecher
DE102014012327B3 (de) 2014-08-20 2015-12-03 Helge Bots Resonanzplatte zur Verbesserung der Klangcharakteristik herkömmlicher Lautsprecherboxen
GB2539029B (en) * 2015-06-04 2017-06-07 Amina Tech Ltd Distributed mode loudspeaker damping oscillations within exciter feet
DE102015217778B4 (de) * 2015-09-17 2019-05-29 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler
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
US10264348B1 (en) * 2017-12-29 2019-04-16 Nvf Tech Ltd Multi-resonant coupled system for flat panel actuation
DE102018106333B4 (de) * 2018-03-19 2025-03-13 HELLA GmbH & Co. KGaA Sensorvorrichtung zur Erfassung von Schall, insbesondere zur Erfassung von Körperschall an einem Fahrzeug
US11627415B2 (en) * 2018-08-14 2023-04-11 Wing Acoustics Limited Systems methods and devices relating to audio transducers
GB2586959B (en) * 2019-08-08 2021-10-13 Amina Tech Limited Distributed mode loudspeaker
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
KR20230004191A (ko) * 2021-06-30 2023-01-06 엘지디스플레이 주식회사 음향 장치와 이를 포함하는 음향 시스템
WO2023247017A1 (en) * 2022-06-21 2023-12-28 Huawei Technologies Co., Ltd. Vibratory system comprising a vibratory panel with an acoustic black hole structure
CN119224126A (zh) * 2024-09-23 2024-12-31 北京工业大学 一种螺栓早期松动声发射检测装置

Family Cites Families (5)

* 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
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
US5425107A (en) * 1992-04-09 1995-06-13 Bertagni Electronic Sound Transducers, International Corporation Planar-type loudspeaker with dual density diaphragm
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
GB9704486D0 (en) * 1997-03-04 1997-04-23 New Transducers Ltd Acoustic devices etc

Also Published As

Publication number Publication date
ZA200100759B (en) 2001-08-27
GB9818959D0 (en) 1998-10-21
EA002629B1 (ru) 2002-08-29
PE20001147A1 (es) 2000-11-06
AU5524299A (en) 2000-03-27
DE69915083T2 (de) 2004-10-14
DE69915083D1 (de) 2004-04-01
PL346418A1 (en) 2002-02-11
IL141634A0 (en) 2002-03-10
TR200100682T2 (tr) 2001-10-22
EP1110426B1 (de) 2004-02-25
CN1157998C (zh) 2004-07-14
NO20011080D0 (no) 2001-03-02
WO2000015000A1 (en) 2000-03-16
HK1034407A1 (en) 2001-10-19
YU17201A (sh) 2003-07-07
JP2002524994A (ja) 2002-08-06
BR9913391A (pt) 2001-05-22
BG105261A (bg) 2001-08-31
ID28655A (id) 2001-06-21
SK2842001A3 (en) 2001-09-11
CN1317220A (zh) 2001-10-10
ATE260534T1 (de) 2004-03-15
EA200100303A1 (ru) 2001-08-27
UY25689A1 (es) 1999-11-17
AR020361A1 (es) 2002-05-08
KR20010074943A (ko) 2001-08-09
HUP0103191A2 (hu) 2001-12-28
CA2342764A1 (en) 2000-03-16
NO20011080L (no) 2001-05-02
EP1110426A1 (de) 2001-06-27

Similar Documents

Publication Publication Date Title
TW465252B (en) Acoustic device
US7010143B2 (en) Rectangular panel-form loudspeaker and its radiating panel
JP3907211B2 (ja) パネル形ラウドスピーカ
CN100417304C (zh) 声学设备
JP2001506768A (ja) 指向性音響スティック放射装置
JP2001513967A (ja) 音響装置
CN1307791A (zh) 谐振板型扬声器
CN106558301B (zh) 低频指向性水声换能器
Bai et al. Development of panel loudspeaker system: Design, evaluation and enhancement
US6694038B1 (en) Acoustic device
EP4167594B1 (de) Flachlautsprecher
Hwang et al. New development of combined permanent-magnet type microspeakers used for cellular phones
Bédard et al. Development of a directivity-controlled piezoelectric transducer for sound reproduction
CN110662145A (zh) 一种正弦阶梯喇叭形声换能器及换能方法
JP2004506360A (ja) 撓み波ラウドスピーカ
CN101002501A (zh) 包括用于起动面板的致动器的面板声学换能器与声音生成和/或记录装置
JP2003501982A (ja) 音響装置
CN110662146A (zh) 提高声换能器电压发射响应性能的方法及声换能器
Been et al. A parametric array PMUT loudspeaker with high efficiency and wide flat bandwidth
MXPA01002270A (en) Panel form acoustic apparatus using bending waves modes
HK1034407B (en) Panel form acoustic apparatus using bending waves modes
Akiyama et al. Parametric sound fields by phase‐cancellation excitation of primary waves
CN117174065A (zh) 一种基于声学折叠空间二维阵列的声准直方法
Hwang et al. Power Efficiency Calculation of Acoustic Energy Transmission by a Stepped-Plate Radiator
GB2474848A (en) Planar loudspeaker

Legal Events

Date Code Title Description
GD4A Issue of patent certificate for granted invention patent