AU2002310642A1 - Loudspeaker - Google Patents

Loudspeaker

Info

Publication number
AU2002310642A1
AU2002310642A1 AU2002310642A AU2002310642A AU2002310642A1 AU 2002310642 A1 AU2002310642 A1 AU 2002310642A1 AU 2002310642 A AU2002310642 A AU 2002310642A AU 2002310642 A AU2002310642 A AU 2002310642A AU 2002310642 A1 AU2002310642 A1 AU 2002310642A1
Authority
AU
Australia
Prior art keywords
loudspeaker
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.)
Abandoned
Application number
AU2002310642A
Other languages
English (en)
Inventor
Simon Andrew Longbottom
Andrew Matheson
Gareth Mckevitt
Matthew John Pitts
Mark Richard Shepherd
Richard John Topliss
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.)
1 Ltd
Original Assignee
1 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 GB0115244A external-priority patent/GB0115244D0/en
Priority claimed from GB0122800A external-priority patent/GB0122800D0/en
Priority claimed from GB0205750A external-priority patent/GB0205750D0/en
Application filed by 1 Ltd filed Critical 1 Ltd
Publication of AU2002310642A1 publication Critical patent/AU2002310642A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2217/00—Details of magnetostrictive, piezoelectric, or electrostrictive transducers covered by H04R15/00 or H04R17/00 but not provided for in any of their subgroups
    • H04R2217/01—Non-planar magnetostrictive, piezoelectric or electrostrictive benders
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00—Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10—General applications
    • H04R2499/11—Transducers incorporated or for use in hand-held devices, e.g. mobile phones, PDA's, camera's
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Telephone Set Structure (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
AU2002310642A 2001-06-21 2002-06-19 Loudspeaker Abandoned AU2002310642A1 (en)

Applications Claiming Priority (7)

Application Number Priority Date Filing Date Title
GB0115244A GB0115244D0 (en) 2001-06-21 2001-06-21 Loudspeaker
GB0115244.6 2001-06-21
GB0122800A GB0122800D0 (en) 2001-09-21 2001-09-21 Loudspeaker for portable electronic devices
GB0122800.6 2001-09-21
GB0205750.3 2002-03-12
GB0205750A GB0205750D0 (en) 2002-03-12 2002-03-12 Loudspeaker
PCT/GB2002/002836 WO2003001841A2 (en) 2001-06-21 2002-06-19 Loudspeaker

Publications (1)

Publication Number Publication Date
AU2002310642A1 true AU2002310642A1 (en) 2003-01-08

Family

ID=27256199

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002310642A Abandoned AU2002310642A1 (en) 2001-06-21 2002-06-19 Loudspeaker

Country Status (7)

Country Link
US (1) US7302068B2 (https=)
EP (1) EP1397937A2 (https=)
JP (1) JP3994086B2 (https=)
KR (1) KR20040014569A (https=)
CN (1) CN1305350C (https=)
AU (1) AU2002310642A1 (https=)
WO (1) WO2003001841A2 (https=)

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* Cited by examiner, † Cited by third party
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GB2386026B (en) * 2002-02-28 2005-06-08 1 Ltd Loudspeaker
GB0220750D0 (en) * 2002-09-06 2002-10-16 1 Ltd Rugged electroactive loudspeaker design
DE602004005342D1 (de) * 2003-05-28 2007-04-26 Koninkl Philips Electronics Nv Als lautsprecher dienender anzeigeschirm
GB0324051D0 (en) * 2003-10-14 2003-11-19 1 Ltd Loudspeaker
EP1685742A1 (en) * 2003-11-17 2006-08-02 1... Limited Loudspeaker
US7346315B2 (en) * 2004-03-30 2008-03-18 Motorola Inc Handheld device loudspeaker system
WO2005104614A1 (en) * 2004-04-22 2005-11-03 1...Limited Loudspeaker
US20060103762A1 (en) * 2004-11-18 2006-05-18 Ly Ha M Interactive imaging apparatus and method of operation thereof
EP1854332A2 (en) * 2005-03-01 2007-11-14 Todd Henry Electromagnetic lever diaphragm audio transducer
US20080247595A1 (en) * 2005-03-01 2008-10-09 Todd Henry Electromagnetic lever diaphragm audio transducer
US8577686B2 (en) 2005-05-26 2013-11-05 Lg Electronics Inc. Method and apparatus for decoding an audio signal
JP4988717B2 (ja) 2005-05-26 2012-08-01 エルジー エレクトロニクス インコーポレイティド オーディオ信号のデコーディング方法及び装置
JP2007150393A (ja) * 2005-11-24 2007-06-14 Matsushita Electric Ind Co Ltd 電話装置
TWI469133B (zh) 2006-01-19 2015-01-11 Lg Electronics Inc 媒體訊號處理方法及裝置
JP5199129B2 (ja) * 2006-02-07 2013-05-15 エルジー エレクトロニクス インコーポレイティド 符号化／復号化装置及び方法
US20070188053A1 (en) * 2006-02-14 2007-08-16 Robert Bosch Gmbh Injection molded energy harvesting device
US7983432B2 (en) * 2006-09-29 2011-07-19 Shure Acquisition Holdings, Inc. Point excitation placement in an audio transducer
US7414351B2 (en) * 2006-10-02 2008-08-19 Robert Bosch Gmbh Energy harvesting device manufactured by print forming processes
US8000489B2 (en) * 2006-10-30 2011-08-16 Sony Ericsson Mobile Communications Ab Speaker module for electronic device
US20080232636A1 (en) * 2007-03-23 2008-09-25 Sonic Dynamics, Llc Sonic piston
JP4420104B2 (ja) * 2007-11-02 2010-02-24 オンキヨー株式会社 磁気回路モジュール、スピーカー用磁気回路およびその製造方法、ならびに、これを用いたスピーカー
US7848536B2 (en) * 2007-11-02 2010-12-07 Onkyo Corporation Voice coil assembly, loudspeaker using the same, and method for producing the same
US8260343B2 (en) * 2008-11-06 2012-09-04 Sony Ericsson Mobile Communications Ab Electronic devices including vertically mounted loudspeakers and related assemblies and methods
US8301188B2 (en) * 2008-11-06 2012-10-30 Sony Ericsson Mobile Communications Ab Electronic devices including substrate mounted acoustic actuators and related methods and mobile radiotelephones
US20100323641A1 (en) * 2009-06-22 2010-12-23 Qualcomm Incorporated Method and apparatus for using pre-distortion and feedback to mitigate nonlinearity of circuits
JP5360213B2 (ja) * 2009-07-22 2013-12-04 日本電気株式会社 電子機器
KR101622632B1 (ko) * 2009-08-26 2016-05-20 엘지전자 주식회사 이동 단말기
US20110123060A1 (en) * 2009-11-20 2011-05-26 Cheng-Ho Tsai Vibrator of an electro-acoustic transducer
TW201125372A (en) 2010-01-15 2011-07-16 Univ Nat Chiao Tung Piezoelectric panel speaker and optimal design method of the same
TW201136331A (en) * 2010-04-06 2011-10-16 Zhao-Lang Wang Moving-magnet type loudspeaker device
US8543168B2 (en) * 2010-12-14 2013-09-24 Motorola Mobility Llc Portable electronic device
US9407984B2 (en) * 2011-02-24 2016-08-02 Htc Corporation Method and apparatus for adjusting sound quality
JP6092526B2 (ja) * 2012-05-14 2017-03-08 京セラ株式会社 電子機器
GB2508639A (en) * 2012-12-06 2014-06-11 Pss Belgium Nv A loudspeaker diaphragm electro-actively driven at its edges
WO2015098090A1 (ja) * 2013-12-26 2015-07-02 京セラ株式会社 電子機器
US10129640B2 (en) 2014-02-06 2018-11-13 Hewlett-Packard Development Company, L.P. Suppressing a modal frequency of a loudspeaker
CN108141668B (zh) 2015-09-14 2024-04-16 翼声有限公司 音频转换器中或与其相关的改进
DE102015217778B4 (de) * 2015-09-17 2019-05-29 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler
US9820035B2 (en) * 2016-03-25 2017-11-14 Bose Corporation Audio systems and apparatus for vibration isolation
GB2560878B (en) * 2017-02-24 2021-10-27 Google Llc A panel loudspeaker controller and a panel loudspeaker
WO2018167538A1 (en) 2017-03-15 2018-09-20 Wing Acoustics Limited Improvements in or relating to audio systems
US11137803B2 (en) 2017-03-22 2021-10-05 Wing Acoustics Limited Slim electronic devices and audio transducers incorporated therein
WO2019141378A1 (en) * 2018-01-22 2019-07-25 Huawei Technologies Co., Ltd. Audio display with electro-active polymer bender element
EP3837859B1 (en) 2018-08-14 2024-10-02 Wing Acoustics Limited Systems methods and devices relating to audio transducers
US10782731B1 (en) * 2019-02-28 2020-09-22 Google Llc Modal frequency shifting for loudspeaker devices
GB201907267D0 (en) 2019-05-23 2019-07-10 Pss Belgium Nv Loudspeaker
US11606633B2 (en) 2019-12-10 2023-03-14 Apple Inc. Speaker assembly
NL2031944B1 (en) * 2022-05-20 2023-11-27 Microsoft Technology Licensing Llc Tuning spring mass resonator of loudspeaker in mobile device

Family Cites Families (15)

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Publication number Priority date Publication date Assignee Title
US1919632A (en) * 1930-04-04 1933-07-25 Rca Corp Sound radiator
US3781955A (en) * 1970-12-21 1974-01-01 V Lavrinenko Method of making a piezoelectric element
US3900748A (en) 1972-01-31 1975-08-19 Zenith Radio Corp Torsional ceramic transducer
JPS5475126A (en) 1977-11-25 1979-06-15 Hasegawa Chiyuukoushiyo Kk Method of joining bar steel for deformed bar concrete
JPS54167701U (https=) 1978-05-17 1979-11-26
ATE38607T1 (de) * 1983-01-28 1988-11-15 Intersonics Inc Lautsprechersystem fuer sehr tiefe frequenzen.
JPH0221896A (ja) 1988-07-11 1990-01-24 Yamaha Motor Co Ltd 一槽式洗濯機
FR2649575A1 (fr) 1989-07-07 1991-01-11 Thomson Consumer Electronics Ecran de visualisation a fonction electroacoustique integree
US5514927A (en) * 1994-02-28 1996-05-07 Motorola, Inc. Piezoelectric audio transducer
UA51671C2 (uk) 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
US5802189A (en) * 1995-12-29 1998-09-01 Samick Music Corporation Subwoofer speaker system
US6078126A (en) * 1998-05-29 2000-06-20 Motorola, Inc. Resonant piezoelectric alerting device
BR9911818A (pt) 1998-07-03 2001-03-27 New Transducers Ltd Alto-falante em forma de painel ressonante
GB9818719D0 (en) 1998-08-28 1998-10-21 New Transducers Ltd Vubration exciter
AU2016501A (en) * 1999-12-21 2001-07-03 1... Limited Electro-active devices

Also Published As

Publication number Publication date
JP2004531173A (ja) 2004-10-07
US7302068B2 (en) 2007-11-27
WO2003001841A2 (en) 2003-01-03
US20040202338A1 (en) 2004-10-14
CN1547869A (zh) 2004-11-17
KR20040014569A (ko) 2004-02-14
WO2003001841A3 (en) 2003-09-12
EP1397937A2 (en) 2004-03-17
CN1305350C (zh) 2007-03-14
JP3994086B2 (ja) 2007-10-17

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Legal Events

Date Code Title Description
MK6 Application lapsed section 142(2)(f)/reg. 8.3(3) - pct applic. not entering national phase