JP3994086B2 - スピーカ - Google Patents
スピーカ Download PDFInfo
- Publication number
- JP3994086B2 JP3994086B2 JP2003508097A JP2003508097A JP3994086B2 JP 3994086 B2 JP3994086 B2 JP 3994086B2 JP 2003508097 A JP2003508097 A JP 2003508097A JP 2003508097 A JP2003508097 A JP 2003508097A JP 3994086 B2 JP3994086 B2 JP 3994086B2
- Authority
- JP
- Japan
- Prior art keywords
- actuator
- sound
- speaker
- diaphragm
- case
- 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.)
- Expired - Fee Related
Links
- 230000033001 locomotion Effects 0.000 claims description 20
- 239000000463 material Substances 0.000 claims description 11
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000006073 displacement reaction Methods 0.000 description 14
- 239000011263 electroactive material Substances 0.000 description 8
- 230000004044 response Effects 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- HFGPZNIAWCZYJU-UHFFFAOYSA-N lead zirconate titanate Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[Ti+4].[Zr+4].[Pb+2] HFGPZNIAWCZYJU-UHFFFAOYSA-N 0.000 description 5
- 229910052451 lead zirconate titanate Inorganic materials 0.000 description 5
- 230000005684 electric field Effects 0.000 description 4
- 230000004913 activation Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 230000009849 deactivation Effects 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000005520 electrodynamics Effects 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 239000003562 lightweight material Substances 0.000 description 2
- 239000004417 polycarbonate Substances 0.000 description 2
- 229920000515 polycarbonate Polymers 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 229920002379 silicone rubber Polymers 0.000 description 2
- 239000004945 silicone rubber Substances 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229920002430 Fibre-reinforced plastic Polymers 0.000 description 1
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000003213 activating effect Effects 0.000 description 1
- 239000011324 bead Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 210000000613 ear canal Anatomy 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 239000007772 electrode material Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 239000011151 fibre-reinforced plastic Substances 0.000 description 1
- 239000006260 foam Substances 0.000 description 1
- 210000003128 head Anatomy 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 238000010295 mobile communication Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002985 plastic film Substances 0.000 description 1
- 229920000334 poly[3-(3'-N,N,N-triethylamino-1-propyloxy)-4-methylthiophene-2,5-diyl hydrochloride] polymer Polymers 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
Images
Classifications
-
- 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
- H04R1/32—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; 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
- 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; DEAF-AID SETS; 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; DEAF-AID SETS; 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)
- Telephone Set Structure (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
Description
長さ=5mm
幅 =4mm
高さ=3mm
角度=約31°
アクチュエータ126の質量 =0.552g
フレーム/振動板125の質量=1.541g
総質量 =2.093g
見かけの質量 =1.520g
質量比 =0.726
長さ=6mm
幅 =8mm
高さ=3mm
Claims (8)
- 支持構造体に取り付けられた音発信要素と、
前記音発信要素を動かして音を発生させるように配置された少なくとも1つのアクチュエータと
を有する可聴音用のスピーカであって、
前記アクチュエータは、除去された扇形部分を有する管形状であり、また活動化されたとき、前記除去された扇形部分によって形成されるアクチュエータの端部の間で回転運動を引き起こすようになっており、
前記アクチュエータはそれぞれの前記端部で前記支持構造体および前記音発生要素に取り付けられており、また
前記音発信要素の動きは回転を含むことを特徴とする可聴音用のスピーカ。 - 前記音発信要素の縁部と前記支持構造体との間のギャップが、1以上のコンプライアント・シール部材によって埋められている請求項1に記載のスピーカ。
- 前記アクチュエータがセラミック・アクチュエータである請求項1または請求項2に記載のスピーカ。
- 前記アクチュエータが圧電材料からできている請求項1から請求項3までのいずれか1項に記載のスピーカ。
- 前記音発信要素が透明である請求項1から請求項4までのいずれか1項に記載のスピーカ。
- 請求項1から請求項5までのいずれか1項によるスピーカを少なくとも1つ有している携帯型機器。
- それぞれが請求項1から請求項5までのいずれか1項によるスピーカを2つ有し、それによってステレオ音を再生することができる携帯型機器。
- 請求項1から請求項5までのいずれか1項によるスピーカを少なくとも2つ有し、それによってステレオ音を再生することができるテレビジョン・システム。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB0115244A GB0115244D0 (en) | 2001-06-21 | 2001-06-21 | Loudspeaker |
GB0122800A GB0122800D0 (en) | 2001-09-21 | 2001-09-21 | Loudspeaker for portable electronic devices |
GB0205750A GB0205750D0 (en) | 2002-03-12 | 2002-03-12 | Loudspeaker |
PCT/GB2002/002836 WO2003001841A2 (en) | 2001-06-21 | 2002-06-19 | Loudspeaker |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2004531173A JP2004531173A (ja) | 2004-10-07 |
JP2004531173A5 JP2004531173A5 (ja) | 2006-01-05 |
JP3994086B2 true JP3994086B2 (ja) | 2007-10-17 |
Family
ID=27256199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003508097A Expired - Fee Related JP3994086B2 (ja) | 2001-06-21 | 2002-06-19 | スピーカ |
Country Status (7)
Country | Link |
---|---|
US (1) | US7302068B2 (ja) |
EP (1) | EP1397937A2 (ja) |
JP (1) | JP3994086B2 (ja) |
KR (1) | KR20040014569A (ja) |
CN (1) | CN1305350C (ja) |
AU (1) | AU2002310642A1 (ja) |
WO (1) | WO2003001841A2 (ja) |
Families Citing this family (48)
Publication number | Priority date | Publication date | Assignee | Title |
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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 |
WO2004107808A2 (en) * | 2003-05-28 | 2004-12-09 | Koninklijke Philips Electronics N.V. | Display screen loudspeaker |
GB0324051D0 (en) * | 2003-10-14 | 2003-11-19 | 1 Ltd | Loudspeaker |
WO2005053356A1 (en) * | 2003-11-17 | 2005-06-09 | 1... Limited | Loudspeaker |
US7346315B2 (en) * | 2004-03-30 | 2008-03-18 | Motorola Inc | Handheld device loudspeaker system |
US20080025533A1 (en) * | 2004-04-22 | 2008-01-31 | David Livingstone | Loudspeaker |
US20060103762A1 (en) * | 2004-11-18 | 2006-05-18 | Ly Ha M | Interactive imaging apparatus and method of operation thereof |
CA2600015A1 (en) * | 2005-03-01 | 2006-09-08 | Todd Henry | Electromagnetic lever diaphragm audio transducer |
US20080247595A1 (en) * | 2005-03-01 | 2008-10-09 | Todd Henry | Electromagnetic lever diaphragm audio transducer |
EP1905002B1 (en) | 2005-05-26 | 2013-05-22 | LG Electronics Inc. | Method and apparatus for decoding audio signal |
JP4988716B2 (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 |
EP1974347B1 (en) * | 2006-01-19 | 2014-08-06 | LG Electronics Inc. | Method and apparatus for processing a media signal |
WO2007091850A1 (en) | 2006-02-07 | 2007-08-16 | Lg Electronics Inc. | Apparatus and method for encoding/decoding signal |
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 |
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 |
US8260343B2 (en) * | 2008-11-06 | 2012-09-04 | Sony Ericsson Mobile Communications Ab | Electronic devices including vertically mounted loudspeakers and related assemblies and methods |
US20100323641A1 (en) * | 2009-06-22 | 2010-12-23 | Qualcomm Incorporated | Method and apparatus for using pre-distortion and feedback to mitigate nonlinearity of circuits |
EP2458828A4 (en) * | 2009-07-22 | 2014-04-16 | Nec Corp | ELECTRONIC DEVICE |
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 |
WO2015119612A1 (en) | 2014-02-06 | 2015-08-13 | Hewlett-Packard Development Company, Lp | Suppressing a modal frequency of a loudspeaker |
RU2754074C2 (ru) * | 2015-09-14 | 2021-08-25 | Уинг Акустикс Лимитэд | Совершенствования аудиопреобразователей или усовершенствования, связанные с ними |
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 |
US11166100B2 (en) | 2017-03-15 | 2021-11-02 | Wing Acoustics Limited | Bass optimization for audio systems and devices |
TW201904310A (zh) | 2017-03-22 | 2019-01-16 | 紐西蘭商威恩音響有限公司 | 有關於聲頻轉換器、薄型電子裝置及鉸鏈系統的系統、方法及裝置 |
US11272295B2 (en) | 2018-01-22 | 2022-03-08 | Huawei Technologies Co., Ltd. | Audio display with electro-active polymer bender element |
CN117221797A (zh) | 2018-08-14 | 2023-12-12 | 翼声有限公司 | 音频转换器 |
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 |
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-
2002
- 2002-06-19 EP EP02735634A patent/EP1397937A2/en not_active Withdrawn
- 2002-06-19 AU AU2002310642A patent/AU2002310642A1/en not_active Abandoned
- 2002-06-19 WO PCT/GB2002/002836 patent/WO2003001841A2/en active Application Filing
- 2002-06-19 KR KR10-2003-7016680A patent/KR20040014569A/ko not_active Application Discontinuation
- 2002-06-19 JP JP2003508097A patent/JP3994086B2/ja not_active Expired - Fee Related
- 2002-06-19 CN CNB028165195A patent/CN1305350C/zh not_active Expired - Fee Related
- 2002-06-19 US US10/480,733 patent/US7302068B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US20040202338A1 (en) | 2004-10-14 |
WO2003001841A2 (en) | 2003-01-03 |
US7302068B2 (en) | 2007-11-27 |
AU2002310642A1 (en) | 2003-01-08 |
WO2003001841A3 (en) | 2003-09-12 |
KR20040014569A (ko) | 2004-02-14 |
CN1547869A (zh) | 2004-11-17 |
JP2004531173A (ja) | 2004-10-07 |
CN1305350C (zh) | 2007-03-14 |
EP1397937A2 (en) | 2004-03-17 |
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