BRPI1013353A2 - aperfeiçoamentos em alto-falantes - Google Patents

aperfeiçoamentos em alto-falantes

Info

Publication number
BRPI1013353A2
BRPI1013353A2 BRPI1013353A BRPI1013353A BRPI1013353A2 BR PI1013353 A2 BRPI1013353 A2 BR PI1013353A2 BR PI1013353 A BRPI1013353 A BR PI1013353A BR PI1013353 A BRPI1013353 A BR PI1013353A BR PI1013353 A2 BRPI1013353 A2 BR PI1013353A2
Authority
BR
Brazil
Prior art keywords
speaker
enhancements
coil assembly
secondary opening
speaker coil
Prior art date
Application number
BRPI1013353A
Other languages
English (en)
Inventor
Ellis Christien
Original Assignee
Hiwave Tech Uk Limited
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 Hiwave Tech Uk Limited filed Critical Hiwave Tech Uk Limited
Publication of BRPI1013353A2 publication Critical patent/BRPI1013353A2/pt

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
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H04R9/025—Magnetic circuit
    • H04R9/027—Air gaps using a magnetic fluid
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R9/00—Transducers of moving-coil, moving-strip, or moving-wire type
    • H04R9/02—Details
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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
    • H04R9/041—Centering

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)

Abstract

"aperfeiçoamentos em alto-falantes". a presente invenção refere-se a uma unidade acionadora para um alto-falante, e um alto-falante incluindo a mesma. a unidade acionadora inclui um conjunto de eletroímã que define aberturas primária e secundária com relação às quais um conjunto de bobina de alto-falante é móvel e nas quais o mesmo é montado. o conjunto de bobina de alto-falante inclui um padrão que fica localizado e suspenso na abertura secundária pelo ferrofluido provido na dita abertura secundária, para localizar o conjunto da bobina de alto-falante sem necessidade que uma aranha ou outro recurso de localização mecânico seja provido.
BRPI1013353A 2009-02-24 2010-02-16 aperfeiçoamentos em alto-falantes BRPI1013353A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB0903033.9A GB0903033D0 (en) 2009-02-24 2009-02-24 Moving coil assemblies
PCT/GB2010/000271 WO2010097568A1 (en) 2009-02-24 2010-02-16 Improvements to loudspeakers

Publications (1)

Publication Number Publication Date
BRPI1013353A2 true BRPI1013353A2 (pt) 2019-04-09

Family

ID=40565565

Family Applications (1)

Application Number Title Priority Date Filing Date
BRPI1013353A BRPI1013353A2 (pt) 2009-02-24 2010-02-16 aperfeiçoamentos em alto-falantes

Country Status (9)

Country Link
US (1) US20120039494A1 (pt)
EP (1) EP2409496A1 (pt)
JP (1) JP2012518932A (pt)
KR (1) KR20110125250A (pt)
CN (1) CN102415107A (pt)
BR (1) BRPI1013353A2 (pt)
CA (1) CA2753462A1 (pt)
GB (1) GB0903033D0 (pt)
WO (1) WO2010097568A1 (pt)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013010017A1 (en) 2011-07-12 2013-01-17 Strata Audio LLC Balanced momentum inertial duct
US9143866B2 (en) 2011-07-12 2015-09-22 Strata Audio LLC Voice coil former stiffener
WO2014194192A1 (en) 2013-05-30 2014-12-04 David Andrews Multi-dimensional trackpad
JP6531296B2 (ja) 2013-10-08 2019-06-19 ジョイソン セイフティ システムズ アクイジション エルエルシー 触覚エネルギーをタッチ面に直接送達する装置及び方法
US10129652B2 (en) * 2014-09-12 2018-11-13 Apple Inc. Audio speaker surround geometry for improved pistonic motion
EP3198618B1 (en) * 2014-09-24 2021-05-19 Taction Technology Inc. Systems and methods for generating damped electromagnetically actuated planar motion for audio-frequency vibrations
JP6325957B2 (ja) * 2014-10-03 2018-05-16 クラリオン株式会社 エキサイタ
US10466826B2 (en) 2014-10-08 2019-11-05 Joyson Safety Systems Acquisition Llc Systems and methods for illuminating a track pad system
US10708694B2 (en) 2017-09-11 2020-07-07 Apple Inc. Continuous surround
US20190349689A1 (en) * 2018-05-09 2019-11-14 Bose Corporation Efficiency of Miniature Loudspeakers
US11422629B2 (en) 2019-12-30 2022-08-23 Joyson Safety Systems Acquisition Llc Systems and methods for intelligent waveform interruption

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6132697A (ja) * 1984-07-25 1986-02-15 Hitachi Ltd スピ−カ
DK171729B1 (da) * 1994-11-01 1997-04-14 Dan Kristoffersen Elektrodynamisk højttaler med væskeophængt bevægeligt system
CN2270333Y (zh) * 1996-07-29 1997-12-10 黄立康 石材音箱
US6282298B1 (en) * 1996-09-03 2001-08-28 New Transducers Limited Acoustic device
WO2002065811A1 (en) * 2001-02-13 2002-08-22 Matsushita Electric Industrial Co., Ltd. Speaker
FR2892887B1 (fr) * 2005-11-03 2007-12-21 Bernard Richoux Transducteur electrodynamique a dome a suspension ferrofluide
US20070189572A1 (en) 2006-01-30 2007-08-16 Eugene Stanley Juall Loudspeaker system for acoustic instruments and method therefor
US7729504B2 (en) * 2006-02-14 2010-06-01 Ferrotec Corporation Ferrofluid centered voice coil speaker
CN2904531Y (zh) * 2006-05-19 2007-05-23 闻克俭 同轴音箱结构
JP5332146B2 (ja) * 2007-07-26 2013-11-06 ヤマハ株式会社 スピーカ装置

Also Published As

Publication number Publication date
JP2012518932A (ja) 2012-08-16
KR20110125250A (ko) 2011-11-18
US20120039494A1 (en) 2012-02-16
CA2753462A1 (en) 2010-09-02
WO2010097568A1 (en) 2010-09-02
GB0903033D0 (en) 2009-04-08
EP2409496A1 (en) 2012-01-25
CN102415107A (zh) 2012-04-11

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Legal Events

Date Code Title Description
B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]

Free format text: REFERENTE AS 5A, 6A, 7A, 8A E 9A ANUIDADES.

B08K Patent lapsed as no evidence of payment of the annual fee has been furnished to inpi [chapter 8.11 patent gazette]

Free format text: EM VIRTUDE DO ARQUIVAMENTO PUBLICADO NA RPI 2519 DE 16-04-2019 E CONSIDERANDO AUSENCIA DE MANIFESTACAO DENTRO DOS PRAZOS LEGAIS, INFORMO QUE CABE SER MANTIDO O ARQUIVAMENTO DO PEDIDO DE PATENTE, CONFORME O DISPOSTO NO ARTIGO 12, DA RESOLUCAO 113/2013.

B350 Update of information on the portal [chapter 15.35 patent gazette]