WO2005104612A1 - Transducer assembly and loudspeaker including rheological material - Google Patents
Transducer assembly and loudspeaker including rheological material Download PDFInfo
- Publication number
- WO2005104612A1 WO2005104612A1 PCT/US2004/038031 US2004038031W WO2005104612A1 WO 2005104612 A1 WO2005104612 A1 WO 2005104612A1 US 2004038031 W US2004038031 W US 2004038031W WO 2005104612 A1 WO2005104612 A1 WO 2005104612A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- coupler
- transducer
- acoustic radiator
- acoustic
- rheological
- Prior art date
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
- 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
- H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
- H04R2440/05—Aspects relating to the positioning and way or means of mounting of exciters to resonant bending wave panels
-
- 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
- Engineering & Computer Science (AREA)
- Multimedia (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Signal Processing (AREA)
- Piezo-Electric Transducers For Audible Bands (AREA)
- Details Of Audible-Bandwidth Transducers (AREA)
- Electrostatic, Electromagnetic, Magneto- Strictive, And Variable-Resistance Transducers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2004800422436A CN1926914B (en) | 2004-04-07 | 2004-11-12 | Transducer assembly and loudspeaker including rheological material |
DE602004021966T DE602004021966D1 (en) | 2004-04-07 | 2004-11-12 | TRANSFORMER ASSEMBLY AND SPEAKER WITH RHEOLOGICAL MATERIAL |
JP2007507301A JP4567727B2 (en) | 2004-04-07 | 2004-11-12 | Loudspeaker and transducer assembly containing rheological material |
EP04821931A EP1733593B1 (en) | 2004-04-07 | 2004-11-12 | Transducer assembly and loudspeaker including rheological material |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/709,010 | 2004-04-07 | ||
US10/709,010 US7403628B2 (en) | 2004-04-07 | 2004-04-07 | Transducer assembly and loudspeaker including rheological material |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005104612A1 true WO2005104612A1 (en) | 2005-11-03 |
Family
ID=34959510
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2004/038031 WO2005104612A1 (en) | 2004-04-07 | 2004-11-12 | Transducer assembly and loudspeaker including rheological material |
Country Status (6)
Country | Link |
---|---|
US (1) | US7403628B2 (en) |
EP (1) | EP1733593B1 (en) |
JP (1) | JP4567727B2 (en) |
CN (1) | CN1926914B (en) |
DE (1) | DE602004021966D1 (en) |
WO (1) | WO2005104612A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102752694A (en) * | 2012-08-01 | 2012-10-24 | 楼氏电子(北京)有限公司 | Magnetic circuit system and moving-coil type electroacoustic transducer with same |
Families Citing this family (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB0400323D0 (en) * | 2004-01-08 | 2004-02-11 | New Transducers Ltd | Loudspeakers |
US20080204379A1 (en) * | 2007-02-22 | 2008-08-28 | Microsoft Corporation | Display with integrated audio transducer device |
KR101561663B1 (en) | 2009-08-31 | 2015-10-21 | 삼성전자주식회사 | Piezoelectric micro speaker having piston diaphragm and method of manufacturing the same |
TW201136331A (en) * | 2010-04-06 | 2011-10-16 | Zhao-Lang Wang | Moving-magnet type loudspeaker device |
EP2668485A1 (en) * | 2011-01-30 | 2013-12-04 | Aquarius Spectrum Ltd. | Method and system for leak detection in a pipe network |
US9602915B1 (en) * | 2011-09-29 | 2017-03-21 | The United States Of America As Represented By The Secretary Of The Navy | Magnetically controllable transducer backing component |
US10341764B2 (en) * | 2013-05-23 | 2019-07-02 | Derek Barrentine | Structures for dynamically tuned audio in a media device |
US20140348350A1 (en) * | 2013-05-23 | 2014-11-27 | Aliphcom | Structures for dynamically tuned audio in a media device |
AU2013408396B2 (en) | 2013-12-17 | 2017-07-06 | Halliburton Energy Services, Inc | Tunable acoustic transmitter for downhole use |
CN106125846B (en) | 2016-07-08 | 2018-06-26 | 广东欧珀移动通信有限公司 | Flexible screen support construction, flexible display screen module and mobile terminal |
KR102370839B1 (en) * | 2017-05-11 | 2022-03-04 | 엘지디스플레이 주식회사 | Display apparatus |
KR102594577B1 (en) | 2018-08-22 | 2023-10-25 | 엘지디스플레이 주식회사 | Display apparatus |
DE102018215067B4 (en) * | 2018-09-05 | 2020-04-23 | Continental Automotive Gmbh | Switchable sound actuator |
CN109147748B (en) * | 2018-11-06 | 2024-04-19 | 南京林业大学 | Spliced magnetorheological fluid sound insulator with adjustable sound insulation amount and sound insulation unit thereof |
EP4099719B1 (en) | 2021-05-31 | 2024-04-03 | Sensonic Design Zrt. | Hybrid sound radiation device for vibrating a heavy-weight rigid plate at audio frequencies |
CN113395631B (en) * | 2021-08-18 | 2021-11-02 | 深圳市微语信息技术开发有限公司 | High-resolution pickup based on magneto-rheological principle |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997050077A1 (en) * | 1996-06-22 | 1997-12-31 | Er Fluid Developments Limited | Acoustic transducers using a working fluid |
US20020122560A1 (en) * | 2001-03-02 | 2002-09-05 | Samsung Electro-Mechanics Co., Ltd. | Vibration speaker |
US20030059069A1 (en) * | 2000-01-27 | 2003-03-27 | New Transducers Limited | Loudspeaker |
US20030059068A1 (en) * | 2000-01-27 | 2003-03-27 | New Transducers Limited | Electronic article comprising loudspeaker and touch pad |
WO2003098964A2 (en) * | 2002-05-20 | 2003-11-27 | New Transducers Limited | Transducer |
Family Cites Families (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6392495U (en) * | 1986-12-05 | 1988-06-15 | ||
CN1194706A (en) * | 1995-09-02 | 1998-09-30 | 新型转换器有限公司 | Vending machine |
US6151402A (en) * | 1995-09-02 | 2000-11-21 | New Transducers Limited | Vibration transducers |
US6192136B1 (en) * | 1995-09-02 | 2001-02-20 | New Transducers Limited | Inertial vibration transducers |
CN1655645A (en) * | 1995-09-02 | 2005-08-17 | 新型转换器有限公司 | Loudspeaker and apparatus using loudspeaker |
US6389935B1 (en) * | 1996-09-02 | 2002-05-21 | New Transducers Limited | Acoustic display screen |
US6522760B2 (en) * | 1996-09-03 | 2003-02-18 | New Transducers Limited | Active acoustic devices |
US6606390B2 (en) * | 1996-09-03 | 2003-08-12 | New Transducer Limited | Loudspeakers |
TW348362B (en) * | 1996-10-24 | 1998-12-21 | Shin Shyh Kk | An acoustical piezoelectric vibrator and a speaker using the piezoelectric vibrator a piezoelectric vibrator characterized in that: a vibration control piece is secured to a piezoelectric vibration plate at the peripheral portion thereof. |
US6266542B1 (en) * | 1998-09-24 | 2001-07-24 | Ericsson Inc. | Accessory allowing hands-free operation of a cellular telephone |
US6353733B1 (en) * | 1999-04-28 | 2002-03-05 | Ericcson Inc. | Latching mechanisms for rotatable and/or translatable members on portable communication devices |
US6434237B1 (en) * | 2000-01-11 | 2002-08-13 | Ericsson Inc. | Electronic device support containing rheological material with controllable viscosity |
TW511391B (en) * | 2000-01-24 | 2002-11-21 | New Transducers Ltd | Transducer |
DE10025460B4 (en) * | 2000-05-23 | 2004-03-18 | Harman Audio Electronic Systems Gmbh | tweeter |
US20020064290A1 (en) * | 2000-11-28 | 2002-05-30 | New Transducers Limited | Display systems |
US20020193137A1 (en) * | 2001-06-14 | 2002-12-19 | New Transducers Limited | Mobile telephone |
FI20011303A (en) * | 2001-06-19 | 2002-12-20 | Nokia Corp | Speaker |
US20040008858A1 (en) * | 2002-05-02 | 2004-01-15 | Steere John F. | Acoustically enhanced electro-dynamic loudspeakers |
JP2004071765A (en) * | 2002-08-05 | 2004-03-04 | Sony Corp | Electroviscous fluid device and electronic apparatus |
-
2004
- 2004-04-07 US US10/709,010 patent/US7403628B2/en not_active Expired - Fee Related
- 2004-11-12 EP EP04821931A patent/EP1733593B1/en not_active Expired - Fee Related
- 2004-11-12 WO PCT/US2004/038031 patent/WO2005104612A1/en not_active Application Discontinuation
- 2004-11-12 JP JP2007507301A patent/JP4567727B2/en not_active Expired - Fee Related
- 2004-11-12 DE DE602004021966T patent/DE602004021966D1/en active Active
- 2004-11-12 CN CN2004800422436A patent/CN1926914B/en not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1997050077A1 (en) * | 1996-06-22 | 1997-12-31 | Er Fluid Developments Limited | Acoustic transducers using a working fluid |
US20030059069A1 (en) * | 2000-01-27 | 2003-03-27 | New Transducers Limited | Loudspeaker |
US20030059068A1 (en) * | 2000-01-27 | 2003-03-27 | New Transducers Limited | Electronic article comprising loudspeaker and touch pad |
US20020122560A1 (en) * | 2001-03-02 | 2002-09-05 | Samsung Electro-Mechanics Co., Ltd. | Vibration speaker |
WO2003098964A2 (en) * | 2002-05-20 | 2003-11-27 | New Transducers Limited | Transducer |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102752694A (en) * | 2012-08-01 | 2012-10-24 | 楼氏电子(北京)有限公司 | Magnetic circuit system and moving-coil type electroacoustic transducer with same |
Also Published As
Publication number | Publication date |
---|---|
CN1926914B (en) | 2011-11-30 |
EP1733593B1 (en) | 2009-07-08 |
CN1926914A (en) | 2007-03-07 |
EP1733593A1 (en) | 2006-12-20 |
JP4567727B2 (en) | 2010-10-20 |
US20050226445A1 (en) | 2005-10-13 |
US7403628B2 (en) | 2008-07-22 |
DE602004021966D1 (en) | 2009-08-20 |
JP2007533203A (en) | 2007-11-15 |
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