DE10238325A1 - Lautsprecher - Google Patents

Lautsprecher Download PDF

Info

Publication number
DE10238325A1
DE10238325A1 DE10238325A DE10238325A DE10238325A1 DE 10238325 A1 DE10238325 A1 DE 10238325A1 DE 10238325 A DE10238325 A DE 10238325A DE 10238325 A DE10238325 A DE 10238325A DE 10238325 A1 DE10238325 A1 DE 10238325A1
Authority
DE
Germany
Prior art keywords
membrane
excitation
loudspeaker according
excitation device
plate
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.)
Withdrawn
Application number
DE10238325A
Other languages
German (de)
English (en)
Inventor
Daniel Beer
Berthold Schlenker
Sandra Brix
Thomas Sporer
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.)
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Original Assignee
Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
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 Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV filed Critical Fraunhofer Gesellschaft zur Foerderung der Angewandten Forschung eV
Priority to DE10238325A priority Critical patent/DE10238325A1/de
Priority to HK05107004.4A priority patent/HK1074963B/xx
Priority to DE50301564T priority patent/DE50301564D1/de
Priority to AT03792319T priority patent/ATE308867T1/de
Priority to EP03792319A priority patent/EP1506691B1/de
Priority to PCT/EP2003/009036 priority patent/WO2004019652A2/de
Priority to JP2004530150A priority patent/JP4007453B2/ja
Publication of DE10238325A1 publication Critical patent/DE10238325A1/de
Priority to US11/046,123 priority patent/US7391879B2/en
Withdrawn legal-status Critical Current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
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/22—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired frequency characteristic only 
    • H04R1/24—Structural combinations of separate transducers or of two parts of the same transducer and responsive respectively to two or more frequency ranges
    • 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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/16—Mounting or tensioning of diaphragms or cones
    • H04R7/18—Mounting or tensioning of diaphragms or cones at the periphery
    • H04R7/20—Securing diaphragm or cone resiliently to support by flexible material, springs, cords, or strands
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/04—Construction, mounting, or centering of coil
    • H04R9/045—Mounting
    • 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
    • H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04S—STEREOPHONIC SYSTEMS 
    • H04S2420/00—Techniques used stereophonic systems covered by H04S but not provided for in its groups
    • H04S2420/13—Application of wave-field synthesis in stereophonic audio systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)
  • Liquid Crystal (AREA)
  • Surgical Instruments (AREA)
DE10238325A 2002-08-16 2002-08-16 Lautsprecher Withdrawn DE10238325A1 (de)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE10238325A DE10238325A1 (de) 2002-08-16 2002-08-16 Lautsprecher
HK05107004.4A HK1074963B (en) 2002-08-16 2003-08-14 Loudspeaker
DE50301564T DE50301564D1 (de) 2002-08-16 2003-08-14 Lautsprecher
AT03792319T ATE308867T1 (de) 2002-08-16 2003-08-14 Lautsprecher
EP03792319A EP1506691B1 (de) 2002-08-16 2003-08-14 Lautsprecher
PCT/EP2003/009036 WO2004019652A2 (de) 2002-08-16 2003-08-14 Lautsprecher
JP2004530150A JP4007453B2 (ja) 2002-08-16 2003-08-14 ラウドスピーカー
US11/046,123 US7391879B2 (en) 2002-08-16 2005-01-28 Loudspeaker

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE10238325A DE10238325A1 (de) 2002-08-16 2002-08-16 Lautsprecher

Publications (1)

Publication Number Publication Date
DE10238325A1 true DE10238325A1 (de) 2004-03-11

Family

ID=31501845

Family Applications (2)

Application Number Title Priority Date Filing Date
DE10238325A Withdrawn DE10238325A1 (de) 2002-08-16 2002-08-16 Lautsprecher
DE50301564T Expired - Lifetime DE50301564D1 (de) 2002-08-16 2003-08-14 Lautsprecher

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE50301564T Expired - Lifetime DE50301564D1 (de) 2002-08-16 2003-08-14 Lautsprecher

Country Status (6)

Country Link
US (1) US7391879B2 (enExample)
EP (1) EP1506691B1 (enExample)
JP (1) JP4007453B2 (enExample)
AT (1) ATE308867T1 (enExample)
DE (2) DE10238325A1 (enExample)
WO (1) WO2004019652A2 (enExample)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
DE102005019459B3 (de) * 2005-04-25 2006-07-13 Benteler Automobiltechnik Gmbh Aktiver Ansaugschalldämpfer
EP1701010B1 (de) * 2005-03-11 2008-06-18 Benteler Automobiltechnik GmbH Aktiver Abgasschalldämpfer

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100698256B1 (ko) 2004-07-16 2007-03-22 엘지전자 주식회사 디스플레이 윈도우를 이용한 스피커 장치
US7650003B1 (en) * 2004-12-15 2010-01-19 Hines L Duwayne Flat panel speaker and components therefor
EP1876419B1 (en) * 2006-07-03 2008-10-15 Continental Automotive GmbH Watertight navigation device
US20080080734A1 (en) * 2006-10-03 2008-04-03 Forth Robert A Sports audio player and two-way voice/data communication device
US8139795B2 (en) * 2006-10-13 2012-03-20 Airbus Deutschland Gmbh Loudspeaker system for aircraft cabin
DE102007003164A1 (de) * 2007-01-22 2008-07-24 Siemens Ag Akustische Wiedergabevorrichtung und Verfahren zur Wiedergabe eines akustischen Signals
WO2008136822A2 (en) * 2007-05-03 2008-11-13 Agere Systems Inc. Integrated audiovisual output device
JP4506859B2 (ja) 2008-03-14 2010-07-21 ソニー株式会社 音声出力装置
KR101224242B1 (ko) * 2008-10-14 2013-01-21 도호꾸 파이오니어 가부시끼가이샤 스피커 장치
FR2964761B1 (fr) * 2010-09-14 2012-08-31 Thales Sa Dispositif d'interaction haptique et procede de generation d'effets haptiques et sonores
US10638617B2 (en) * 2010-10-19 2020-04-28 Nokia Technologies Oy Display apparatus
US8965022B2 (en) 2012-03-30 2015-02-24 Hewlett-Packard Development Company, L.P. Personalized display
CN103024635A (zh) * 2012-12-18 2013-04-03 广东工业大学 一种超弹性合金振膜扬声器
US20150010173A1 (en) * 2013-07-05 2015-01-08 Qualcomm Incorporated Apparatus and method for providing a frequency response for audio signals
GB2517721A (en) * 2013-08-29 2015-03-04 Nokia Corp Speaker apparatus
FR3033468B1 (fr) * 2015-03-02 2018-04-13 Commissariat A L'energie Atomique Et Aux Energies Alternatives Dispositif a membranes actionnables et haut-parleur digital comportant au moins un tel dispositif
GB2560878B (en) * 2017-02-24 2021-10-27 Google Llc A panel loudspeaker controller and a panel loudspeaker
CN107087240A (zh) * 2017-06-16 2017-08-22 深圳市禾音视频科技有限公司 一种阵列音箱系统
US10631091B1 (en) 2019-02-28 2020-04-21 Google Llc Bending actuators and panel audio loudspeakers including the same
JP7253613B2 (ja) * 2019-03-14 2023-04-06 アルプスアルパイン株式会社 振動生成装置
RU2743892C1 (ru) * 2020-06-16 2021-03-01 Сотис АГ Плоский громкоговоритель
CN112929776B (zh) * 2021-01-21 2022-01-04 深圳市悦尔声学有限公司 一种改善耳机音效效果的扬声器
CN119152886A (zh) * 2024-09-24 2024-12-17 华电四川发电有限公司宝珠寺水力发电厂 一种水轮机空化识别方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE465189C (de) * 1927-06-11 1929-10-21 Wilhelm Bauch Einrichtung fuer akustische Schaufensterreklame
DE484409C (de) * 1928-09-02 1929-12-18 Bothe & Bauch Einrichtung fuer akustische Schaufensterreklame
DE19541197A1 (de) * 1995-11-04 1997-05-07 Nokia Deutschland Gmbh Anordnung zur Abstrahlung von Schallwellen
DE19960082A1 (de) * 1999-12-13 2001-07-05 Translife Gmbh Lautsprecher

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE484872C (de) 1929-10-26 Bothe & Bauch Einrichtung fuer akustische Schaufensterreklame
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
US3651283A (en) * 1968-12-18 1972-03-21 Audio Arts Inc Loudspeaker having elongated rectangular moving coil
JPS6194499A (ja) 1984-10-15 1986-05-13 Matsushita Electric Ind Co Ltd 複合形平面スピ−カ
CN1655645A (zh) * 1995-09-02 2005-08-17 新型转换器有限公司 扬声器以及使用扬声器的设备
US6522760B2 (en) * 1996-09-03 2003-02-18 New Transducers Limited Active acoustic devices
JP3365613B2 (ja) 1998-01-30 2003-01-14 日本ビクター株式会社 デジタル信号再生装置
DE19955867A1 (de) * 1999-11-22 2001-06-21 Harman Audio Electronic Sys Flachlautsprecheranordnung für Tieftonwiedergabe
JP2001238285A (ja) 1999-12-13 2001-08-31 Shinsei Kk ハイブリッド型スピーカ
US20020018578A1 (en) * 2000-08-03 2002-02-14 Paul Burton Bending wave loudspeaker

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE465189C (de) * 1927-06-11 1929-10-21 Wilhelm Bauch Einrichtung fuer akustische Schaufensterreklame
DE484409C (de) * 1928-09-02 1929-12-18 Bothe & Bauch Einrichtung fuer akustische Schaufensterreklame
DE19541197A1 (de) * 1995-11-04 1997-05-07 Nokia Deutschland Gmbh Anordnung zur Abstrahlung von Schallwellen
DE19960082A1 (de) * 1999-12-13 2001-07-05 Translife Gmbh Lautsprecher

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004028664A1 (de) * 2004-06-12 2006-01-19 Puren Gmbh Schwingungskörper eines Lautsprechersystems
EP1701010B1 (de) * 2005-03-11 2008-06-18 Benteler Automobiltechnik GmbH Aktiver Abgasschalldämpfer
DE102005019459B3 (de) * 2005-04-25 2006-07-13 Benteler Automobiltechnik Gmbh Aktiver Ansaugschalldämpfer

Also Published As

Publication number Publication date
WO2004019652A3 (de) 2004-04-08
ATE308867T1 (de) 2005-11-15
EP1506691A2 (de) 2005-02-16
HK1074963A1 (en) 2005-11-25
DE50301564D1 (de) 2005-12-08
US20050157905A1 (en) 2005-07-21
WO2004019652A2 (de) 2004-03-04
EP1506691B1 (de) 2005-11-02
US7391879B2 (en) 2008-06-24
JP4007453B2 (ja) 2007-11-14
JP2006500803A (ja) 2006-01-05

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
8130 Withdrawal