BR112013001418A2 - "aparelhos de geração de sinais de direcionamento para alto-falatnes paramétricos, sistema de alto-falantes paramétricos e método de direcionamento de alto-falantes paramétricos" - Google Patents

"aparelhos de geração de sinais de direcionamento para alto-falatnes paramétricos, sistema de alto-falantes paramétricos e método de direcionamento de alto-falantes paramétricos"

Info

Publication number
BR112013001418A2
BR112013001418A2 BR112013001418A BR112013001418A BR112013001418A2 BR 112013001418 A2 BR112013001418 A2 BR 112013001418A2 BR 112013001418 A BR112013001418 A BR 112013001418A BR 112013001418 A BR112013001418 A BR 112013001418A BR 112013001418 A2 BR112013001418 A2 BR 112013001418A2
Authority
BR
Brazil
Prior art keywords
parametric
parametric speaker
signal generating
generating apparatus
speakers
Prior art date
Application number
BR112013001418A
Other languages
English (en)
Inventor
Ronaldus Maria Aarts
William John Lamb
Original Assignee
Koninkl Philips Electronics Nv
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 Koninkl Philips Electronics Nv filed Critical Koninkl Philips Electronics Nv
Publication of BR112013001418A2 publication Critical patent/BR112013001418A2/pt

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
    • H04R3/00—Circuits for transducers, loudspeakers or microphones
    • H04R3/04—Circuits for transducers, loudspeakers or microphones for correcting frequency response
    • 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
    • H04R2217/03—Parametric transducers where sound is generated or captured by the acoustic demodulation of amplitude modulated ultrasonic waves
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2400/00—Loudspeakers

Landscapes

  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Amplitude Modulation (AREA)
  • Amplifiers (AREA)
BR112013001418A 2010-07-22 2011-07-18 "aparelhos de geração de sinais de direcionamento para alto-falatnes paramétricos, sistema de alto-falantes paramétricos e método de direcionamento de alto-falantes paramétricos" BR112013001418A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP10170376 2010-07-22
PCT/IB2011/053183 WO2012011039A1 (en) 2010-07-22 2011-07-18 Driving of parametric loudspeakers

Publications (1)

Publication Number Publication Date
BR112013001418A2 true BR112013001418A2 (pt) 2016-05-24

Family

ID=44504021

Family Applications (1)

Application Number Title Priority Date Filing Date
BR112013001418A BR112013001418A2 (pt) 2010-07-22 2011-07-18 "aparelhos de geração de sinais de direcionamento para alto-falatnes paramétricos, sistema de alto-falantes paramétricos e método de direcionamento de alto-falantes paramétricos"

Country Status (7)

Country Link
US (1) US9078062B2 (pt)
EP (1) EP2596645A1 (pt)
JP (1) JP5894985B2 (pt)
CN (1) CN103004234B (pt)
BR (1) BR112013001418A2 (pt)
RU (1) RU2569914C2 (pt)
WO (1) WO2012011039A1 (pt)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2013025199A1 (en) 2011-08-16 2013-02-21 Empire Technology Development Llc Techniques for generating audio signals
US9426600B2 (en) * 2012-07-06 2016-08-23 Dirac Research Ab Audio precompensation controller design with pairwise loudspeaker channel similarity
US9596529B2 (en) 2013-10-21 2017-03-14 Turtle Beach Corporation Parametric transducer with adaptive carrier amplitude
ES2713191T3 (es) * 2013-11-13 2019-05-20 Turtle Beach Corp Transductor paramétrico mejorado y métodos relacionados
US10123126B2 (en) * 2014-02-08 2018-11-06 Empire Technology Development Llc MEMS-based audio speaker system using single sideband modulation
WO2015119626A1 (en) 2014-02-08 2015-08-13 Empire Technology Development Llc Mems-based structure for pico speaker
US10271146B2 (en) 2014-02-08 2019-04-23 Empire Technology Development Llc MEMS dual comb drive
US20150382129A1 (en) * 2014-06-30 2015-12-31 Microsoft Corporation Driving parametric speakers as a function of tracked user location
US9432785B2 (en) * 2014-12-10 2016-08-30 Turtle Beach Corporation Error correction for ultrasonic audio systems
US10080082B2 (en) * 2017-02-16 2018-09-18 Akustica, Inc. Microphone system having high acoustical overload point
US10631103B2 (en) * 2017-05-30 2020-04-21 Regents Of The University Of Minnesota System and method for multiplexed ultrasound hearing
CN107708041A (zh) * 2017-09-02 2018-02-16 上海朗宴智能科技有限公司 一种超指向性扬声器
CN110794369A (zh) * 2019-09-25 2020-02-14 四川九洲空管科技有限责任公司 一种基于舰载平台数字阵雷达的基带信号处理方法
CN112671681B (zh) * 2020-02-03 2022-03-01 腾讯科技（深圳）有限公司 边带抑制方法、装置、计算机设备和存储介质
US11256878B1 (en) * 2020-12-04 2022-02-22 Zaps Labs, Inc. Directed sound transmission systems and methods

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6075199A (ja) * 1983-09-30 1985-04-27 Ricoh Co Ltd 電気音響変換装置
JP2000050387A (ja) * 1998-07-16 2000-02-18 Massachusetts Inst Of Technol <Mit> パラメトリックオ―ディオシステム
US6295317B1 (en) * 1998-10-02 2001-09-25 Usa Digital Radio Partners, Lp Method and apparatus for demodulating and equalizing an AM compatible digital audio broadcast signal
US6584205B1 (en) 1999-08-26 2003-06-24 American Technology Corporation Modulator processing for a parametric speaker system
WO2003019125A1 (en) * 2001-08-31 2003-03-06 Nanyang Techonological University Steering of directional sound beams
SG98479A1 (en) 2002-03-18 2003-09-19 Sony Electronics Singapore Pte Methods and devices for preprocessing signals for a loudspeaker
JP4535758B2 (ja) * 2004-03-29 2010-09-01 三菱電機エンジニアリング株式会社 超指向性スピーカ用変調器
SG115665A1 (en) * 2004-04-06 2005-10-28 Sony Corp Method and apparatus to generate an audio beam with high quality
JP2006245753A (ja) * 2005-03-01 2006-09-14 Oki Electric Ind Co Ltd パラメトリックスピーカー

Also Published As

Publication number Publication date
CN103004234A (zh) 2013-03-27
WO2012011039A1 (en) 2012-01-26
JP5894985B2 (ja) 2016-03-30
JP2013537741A (ja) 2013-10-03
CN103004234B (zh) 2017-01-18
US9078062B2 (en) 2015-07-07
EP2596645A1 (en) 2013-05-29
RU2013107798A (ru) 2014-08-27
US20130121500A1 (en) 2013-05-16
RU2569914C2 (ru) 2015-12-10

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Legal Events

Date Code Title Description
B25D Requested change of name of applicant approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B25G Requested change of headquarter approved

Owner name: KONINKLIJKE PHILIPS N.V. (NL)

B08F Application dismissed because of non-payment of annual fees [chapter 8.6 patent gazette]
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 2471 DE 15-05-2018 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.