BR9912468A - Dispositivo acústico - Google Patents

Dispositivo acústico

Info

Publication number
BR9912468A
BR9912468A BR9912468-8A BR9912468A BR9912468A BR 9912468 A BR9912468 A BR 9912468A BR 9912468 A BR9912468 A BR 9912468A BR 9912468 A BR9912468 A BR 9912468A
Authority
BR
Brazil
Prior art keywords
perforate member
acoustic device
highly perforate
transducer
active area
Prior art date
Application number
BR9912468-8A
Other languages
English (en)
Inventor
Denis Morecroft
Original Assignee
New Transducers Ltd
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 New Transducers Ltd filed Critical New Transducers Ltd
Publication of BR9912468A publication Critical patent/BR9912468A/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
    • H04R1/00—Details of transducers, loudspeakers or microphones
    • H04R1/20—Arrangements for obtaining desired frequency or directional characteristics
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Percussion Or Vibration Massage (AREA)
  • Power Steering Mechanism (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Golf Clubs (AREA)
  • Electrophonic Musical Instruments (AREA)

Abstract

Patente de Invenção:<B>DISPOSITIVO ACúSTICO USANDO MODO DE ONDA DE FLEXãO RESSONANTE''<D>.Um dispositivo acústico, por exemplo um alto-falante, apresenta um transdutor (38), acoplado através de um membro altamente perfurado (36) a uma área acusticamente ativa (39), que pode ser em formato de película, sobre parte do membro altamente perfurado. O membro altamente perfurado (36) pode ser uma malha. Ondas em curvatura podem ser excitadas no membro altamente perfurado (36) através do transdutor (38) e o som emitido a partir da área acusticamente ativa (39).
BR9912468-8A 1998-07-29 1999-07-26 Dispositivo acústico BR9912468A (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9816394.2A GB9816394D0 (en) 1998-07-29 1998-07-29 Acoustic devices
PCT/GB1999/002221 WO2000007408A1 (en) 1998-07-29 1999-07-26 Acoustic device using bending wave modes

Publications (1)

Publication Number Publication Date
BR9912468A true BR9912468A (pt) 2001-04-17

Family

ID=10836290

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9912468-8A BR9912468A (pt) 1998-07-29 1999-07-26 Dispositivo acústico

Country Status (14)

Country Link
US (1) US20010019617A1 (pt)
EP (1) EP1101387B1 (pt)
JP (1) JP2002521992A (pt)
KR (1) KR20010072042A (pt)
CN (1) CN1308829A (pt)
AT (1) ATE223137T1 (pt)
AU (1) AU5048599A (pt)
BR (1) BR9912468A (pt)
CA (1) CA2338690A1 (pt)
DE (1) DE69902670D1 (pt)
GB (1) GB9816394D0 (pt)
IL (1) IL140655A0 (pt)
MX (1) MXPA01001031A (pt)
WO (1) WO2000007408A1 (pt)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6721436B1 (en) 2000-03-29 2004-04-13 Sound Advance Systems, Inc. Remote edge-driven panel speaker
US20010039200A1 (en) * 2000-04-20 2001-11-08 Henry Azima Portable communications equipment
DE202004009076U1 (de) † 2004-06-08 2004-09-02 ACHENBACH BUSCHHüTTEN GMBH Einrichtung zur Messung der Zugspannungsverteilung in bandförmigem Walzgut aus Metall
US10848118B2 (en) 2004-08-10 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
US8284955B2 (en) 2006-02-07 2012-10-09 Bongiovi Acoustics Llc System and method for digital signal processing
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
US10701505B2 (en) 2006-02-07 2020-06-30 Bongiovi Acoustics Llc. System, method, and apparatus for generating and digitally processing a head related audio transfer function
US11202161B2 (en) 2006-02-07 2021-12-14 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
WO2010137988A1 (en) * 2009-05-29 2010-12-02 Leiv Eiriksson Nyskapning As Loudspeaker arrangement
KR101188921B1 (ko) * 2010-03-08 2012-10-08 김동완 복합 스피커 시스템
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US10820883B2 (en) 2014-04-16 2020-11-03 Bongiovi Acoustics Llc Noise reduction assembly for auscultation of a body
US9615813B2 (en) 2014-04-16 2017-04-11 Bongiovi Acoustics Llc. Device for wide-band auscultation
US9564146B2 (en) 2014-08-01 2017-02-07 Bongiovi Acoustics Llc System and method for digital signal processing in deep diving environment
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
US10845877B2 (en) 2015-04-27 2020-11-24 Samsung Electronics Co., Ltd. Apparatus and method of forming localized vibration field, and method of disposing exciters
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
JP6010680B2 (ja) * 2015-12-04 2016-10-19 京セラ株式会社 電子機器
US11211043B2 (en) 2018-04-11 2021-12-28 Bongiovi Acoustics Llc Audio enhanced hearing protection system
WO2020028833A1 (en) 2018-08-02 2020-02-06 Bongiovi Acoustics Llc System, method, and apparatus for generating and digitally processing a head related audio transfer function
KR102594035B1 (ko) * 2018-08-06 2023-10-25 삼성디스플레이 주식회사 표시 장치

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI951223A0 (fi) * 1995-03-16 1995-03-16 Seppo Vaeinaemoe Noponen Planfoerstaerkare
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
EP0951801B1 (en) * 1997-01-09 2002-03-13 New Transducers Limited Loudspeakers

Also Published As

Publication number Publication date
JP2002521992A (ja) 2002-07-16
EP1101387B1 (en) 2002-08-28
CN1308829A (zh) 2001-08-15
AU5048599A (en) 2000-02-21
MXPA01001031A (es) 2002-07-30
IL140655A0 (en) 2002-02-10
CA2338690A1 (en) 2000-02-10
EP1101387A1 (en) 2001-05-23
GB9816394D0 (en) 1998-09-23
KR20010072042A (ko) 2001-07-31
US20010019617A1 (en) 2001-09-06
WO2000007408A1 (en) 2000-02-10
DE69902670D1 (de) 2002-10-02
ATE223137T1 (de) 2002-09-15

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Legal Events

Date Code Title Description
FA10 Dismissal: dismissal - article 33 of industrial property law
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]