DE602004021966D1 - Wandlerbaugruppe und lautsprecher mit rheologischem material - Google Patents

Wandlerbaugruppe und lautsprecher mit rheologischem material

Info

Publication number
DE602004021966D1
DE602004021966D1 DE602004021966T DE602004021966T DE602004021966D1 DE 602004021966 D1 DE602004021966 D1 DE 602004021966D1 DE 602004021966 T DE602004021966 T DE 602004021966T DE 602004021966 T DE602004021966 T DE 602004021966T DE 602004021966 D1 DE602004021966 D1 DE 602004021966D1
Authority
DE
Germany
Prior art keywords
speaker
transformer assembly
rheological material
rheological
transformer
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.)
Active
Application number
DE602004021966T
Other languages
English (en)
Inventor
Matthew J Murray
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.)
Sony Mobile Communications AB
Original Assignee
Sony Ericsson Mobile Communications AB
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 Sony Ericsson Mobile Communications AB filed Critical Sony Ericsson Mobile Communications AB
Publication of DE602004021966D1 publication Critical patent/DE602004021966D1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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)
DE602004021966T 2004-04-07 2004-11-12 Wandlerbaugruppe und lautsprecher mit rheologischem material Active DE602004021966D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US10/709,010 US7403628B2 (en) 2004-04-07 2004-04-07 Transducer assembly and loudspeaker including rheological material
PCT/US2004/038031 WO2005104612A1 (en) 2004-04-07 2004-11-12 Transducer assembly and loudspeaker including rheological material

Publications (1)

Publication Number Publication Date
DE602004021966D1 true DE602004021966D1 (de) 2009-08-20

Family

ID=34959510

Family Applications (1)

Application Number Title Priority Date Filing Date
DE602004021966T Active DE602004021966D1 (de) 2004-04-07 2004-11-12 Wandlerbaugruppe und lautsprecher mit rheologischem material

Country Status (6)

Country Link
US (1) US7403628B2 (de)
EP (1) EP1733593B1 (de)
JP (1) JP4567727B2 (de)
CN (1) CN1926914B (de)
DE (1) DE602004021966D1 (de)
WO (1) WO2005104612A1 (de)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
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 (ko) * 2009-08-31 2015-10-21 삼성전자주식회사 피스톤 다이어프램을 가진 압전형 마이크로 스피커 및 그 제조 방법
TW201136331A (en) * 2010-04-06 2011-10-16 Zhao-Lang Wang Moving-magnet type loudspeaker device
EP2668485A1 (de) * 2011-01-30 2013-12-04 Aquarius Spectrum Ltd. Verfahren und system zur leckerkennung in einem rohrleitungsnetz
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
CN102752694A (zh) * 2012-08-01 2012-10-24 楼氏电子（北京）有限公司 磁路系统和包括该磁路系统的动圈式电声换能器
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
US9645266B2 (en) 2013-12-17 2017-05-09 Halliburton Energy Services, Inc. Tunable acoustic transmitter for downhole use
CN106125846B (zh) 2016-07-08 2018-06-26 广东欧珀移动通信有限公司 柔性屏支撑结构、柔性显示屏模组及移动终端
KR102370839B1 (ko) * 2017-05-11 2022-03-04 엘지디스플레이 주식회사 표시장치
KR102594577B1 (ko) 2018-08-22 2023-10-25 엘지디스플레이 주식회사 디스플레이 장치
DE102018215067B4 (de) * 2018-09-05 2020-04-23 Continental Automotive Gmbh Schaltbarer Schallaktuator
CN109147748B (zh) * 2018-11-06 2024-04-19 南京林业大学 拼接式隔声量可调磁流变液隔声体及其隔声单元
RS65575B1 (sr) 2021-05-31 2024-06-28 Sensonic Design Zrt Hibridni uređaj za akustično zračenјe za vibriranјe teške krute ploče na audio frekvencijama
CN113395631B (zh) * 2021-08-18 2021-11-02 深圳市微语信息技术开发有限公司 一种基于磁流变原理的高分辨率拾音器

Family Cites Families (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6392495U (de) * 1986-12-05 1988-06-15
CN1194706A (zh) * 1995-09-02 1998-09-30 新型转换器有限公司 售货机
KR19990037726A (ko) 1995-09-02 1999-05-25 헨리 에이지마 판넬형 음향 방사소자들로 구성된 라우드스피커
US6192136B1 (en) 1995-09-02 2001-02-20 New Transducers Limited Inertial vibration transducers
US6151402A (en) 1995-09-02 2000-11-21 New Transducers Limited Vibration transducers
GB9613150D0 (en) * 1996-06-22 1996-08-28 Er Fluid Dev Improvements in or relating to acoustic transducers
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
US7151837B2 (en) 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
US6965678B2 (en) * 2000-01-27 2005-11-15 New Transducers Limited Electronic article comprising loudspeaker and touch pad
DE10025460B4 (de) * 2000-05-23 2004-03-18 Harman Audio Electronic Systems Gmbh Hochtonlautsprecher
US20020064290A1 (en) 2000-11-28 2002-05-30 New Transducers Limited Display systems
KR100500129B1 (ko) * 2001-03-02 2005-07-11 삼성전기주식회사 진동 음향 변환장치
US20020193137A1 (en) 2001-06-14 2002-12-19 New Transducers Limited Mobile telephone
FI20011303A (fi) 2001-06-19 2002-12-20 Nokia Corp Kaiutin
US20040008858A1 (en) * 2002-05-02 2004-01-15 Steere John F. Acoustically enhanced electro-dynamic loudspeakers
GB0211508D0 (en) * 2002-05-20 2002-06-26 New Transducers Ltd Transducer
JP2004071765A (ja) * 2002-08-05 2004-03-04 Sony Corp 電気粘性流体装置及び電子機器

Also Published As

Publication number Publication date
US7403628B2 (en) 2008-07-22
JP4567727B2 (ja) 2010-10-20
JP2007533203A (ja) 2007-11-15
EP1733593A1 (de) 2006-12-20
CN1926914A (zh) 2007-03-07
US20050226445A1 (en) 2005-10-13
CN1926914B (zh) 2011-11-30
WO2005104612A1 (en) 2005-11-03
EP1733593B1 (de) 2009-07-08

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