NO20000588L - Lydutstrålende anordninger/systemer - Google Patents

Lydutstrålende anordninger/systemer

Info

Publication number
NO20000588L
NO20000588L NO20000588A NO20000588A NO20000588L NO 20000588 L NO20000588 L NO 20000588L NO 20000588 A NO20000588 A NO 20000588A NO 20000588 A NO20000588 A NO 20000588A NO 20000588 L NO20000588 L NO 20000588L
Authority
NO
Norway
Prior art keywords
transducers
array
sub
frequency content
systems
Prior art date
Application number
NO20000588A
Other languages
English (en)
Norwegian (no)
Other versions
NO20000588D0 (no
Inventor
Graham Bank
Henry Azima
Martin Colloms
Neil Harris
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 NO20000588D0 publication Critical patent/NO20000588D0/no
Publication of NO20000588L publication Critical patent/NO20000588L/no

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
    • H04R3/00—Circuits for transducers
    • H04R3/12—Circuits for transducers for distributing signals to two or more loudspeakers
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • 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
    • H04R1/32—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only
    • H04R1/40—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers
    • H04R1/403—Arrangements for obtaining desired frequency or directional characteristics for obtaining desired directional characteristic only by combining a number of identical transducers loud-speakers
    • 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
    • H04R1/005—Details of transducers, loudspeakers or microphones using digitally weighted transducing elements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R17/00—Piezoelectric transducers; Electrostrictive transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R19/00—Electrostatic transducers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2430/00—Signal processing covered by H04R, not provided for in its groups
    • H04R2430/20—Processing of the output signals of the acoustic transducers of an array for obtaining a desired directivity characteristic

Landscapes

  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • General Health & Medical Sciences (AREA)
  • Circuit For Audible Band Transducer (AREA)
  • Obtaining Desirable Characteristics In Audible-Bandwidth Transducers (AREA)
  • Transducers For Ultrasonic Waves (AREA)
  • Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Transmitters (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
NO20000588A 1997-08-05 2000-02-04 Lydutstrålende anordninger/systemer NO20000588L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9716412.3A GB9716412D0 (en) 1997-08-05 1997-08-05 Sound radiating devices/systems
PCT/GB1998/002288 WO1999008479A1 (en) 1997-08-05 1998-07-30 Sound radiating devices/systems

Publications (2)

Publication Number Publication Date
NO20000588D0 NO20000588D0 (no) 2000-02-04
NO20000588L true NO20000588L (no) 2000-02-04

Family

ID=10816909

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20000588A NO20000588L (no) 1997-08-05 2000-02-04 Lydutstrålende anordninger/systemer

Country Status (24)

Country Link
EP (1) EP1002445A1 (id)
JP (1) JP2001513619A (id)
KR (1) KR20010022624A (id)
CN (1) CN1266604A (id)
AR (1) AR013281A1 (id)
AU (1) AU741154B2 (id)
BG (1) BG104072A (id)
BR (1) BR9811836A (id)
CA (1) CA2295724A1 (id)
EA (1) EA002176B1 (id)
GB (1) GB9716412D0 (id)
HU (1) HUP0101998A2 (id)
ID (1) ID24975A (id)
IL (1) IL133985A0 (id)
MX (1) MXPA00001277A (id)
NO (1) NO20000588L (id)
NZ (1) NZ501959A (id)
PL (1) PL338378A1 (id)
SK (1) SK1632000A3 (id)
TR (1) TR200000351T2 (id)
TW (1) TW392415B (id)
WO (1) WO1999008479A1 (id)
YU (1) YU5400A (id)
ZA (1) ZA986927B (id)

Families Citing this family (52)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
HUP0102904A3 (en) 1998-06-22 2002-12-28 Slab Technology Ltd Albany Loudspeakers
GB9910220D0 (en) * 1999-04-29 1999-06-30 New Transducers Ltd Loudspeakers
GB9914507D0 (en) * 1999-06-23 1999-08-25 New Transducers Ltd Acoustic device
US6801631B1 (en) * 1999-10-22 2004-10-05 Donald J. North Speaker system with multiple transducers positioned in a plane for optimum acoustic radiation pattern
TW511391B (en) 2000-01-24 2002-11-21 New Transducers Ltd Transducer
US6865277B2 (en) 2000-01-27 2005-03-08 New Transducers Limited Passenger vehicle
US7151837B2 (en) 2000-01-27 2006-12-19 New Transducers Limited Loudspeaker
GB0102864D0 (en) 2001-02-06 2001-03-21 Secr Defence Brit Panel form loudspeaker
GB2375453A (en) * 2001-05-09 2002-11-13 New Transducers Ltd Driving a bending wave loudspeaker diaphragm at a plurality of locations
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US6983819B2 (en) 2002-04-02 2006-01-10 Awi Licensing Company Entertainment sound panels
JP2005197896A (ja) 2004-01-05 2005-07-21 Yamaha Corp スピーカアレイ用のオーディオ信号供給装置
JP4161906B2 (ja) * 2004-01-07 2008-10-08 ヤマハ株式会社 スピーカ装置
JP4251077B2 (ja) 2004-01-07 2009-04-08 ヤマハ株式会社 スピーカ装置
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
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
JP4124182B2 (ja) * 2004-08-27 2008-07-23 ヤマハ株式会社 アレイスピーカ装置
JP4718161B2 (ja) * 2004-11-12 2011-07-06 株式会社竹中工務店 騒音低減装置
US9615189B2 (en) 2014-08-08 2017-04-04 Bongiovi Acoustics Llc Artificial ear apparatus and associated methods for generating 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
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
US10069471B2 (en) 2006-02-07 2018-09-04 Bongiovi Acoustics Llc System and method for digital signal processing
US7995778B2 (en) * 2006-08-04 2011-08-09 Bose Corporation Acoustic transducer array signal processing
SG148061A1 (en) * 2007-05-25 2008-12-31 Sony Corp An ultrasonic transducer array and a method for making a transducer array
CN101953174B (zh) * 2007-11-21 2014-12-10 奥迪欧彼塞尔斯有限公司 数字扬声器装置
US8009838B2 (en) * 2008-02-22 2011-08-30 National Taiwan University Electrostatic loudspeaker array
WO2011111042A1 (en) * 2010-03-11 2011-09-15 Audio Pixels Ltd. Electrostatic parallel plate actuators whose moving elements are driven only by electrostatic force and methods useful in conjunction therewith
KR101974664B1 (ko) * 2010-10-21 2019-05-02 오쿠스틱 3디 홀딩스 리미티드 음향 확산 발생기
JP5944403B2 (ja) * 2011-10-21 2016-07-05 パナソニック インテレクチュアル プロパティ コーポレーション オブ アメリカＰａｎａｓｏｎｉｃ Ｉｎｔｅｌｌｅｃｔｕａｌ Ｐｒｏｐｅｒｔｙ Ｃｏｒｐｏｒａｔｉｏｎ ｏｆ Ａｍｅｒｉｃａ 音響レンダリング装置および音響レンダリング方法
US9264004B2 (en) 2013-06-12 2016-02-16 Bongiovi Acoustics Llc System and method for narrow bandwidth digital signal processing
US9883318B2 (en) 2013-06-12 2018-01-30 Bongiovi Acoustics Llc System and method for stereo field enhancement in two-channel audio systems
US9906858B2 (en) 2013-10-22 2018-02-27 Bongiovi Acoustics Llc System and method for digital signal processing
US9615813B2 (en) 2014-04-16 2017-04-11 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
US10639000B2 (en) 2014-04-16 2020-05-05 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
JP6541122B2 (ja) * 2015-01-23 2019-07-10 学校法人成蹊学園 局所音場を生成するスピーカーシステムおよび方法
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
CN104792400B (zh) * 2015-04-09 2018-04-20 中航航空电子有限公司 一种水听器线阵列及其布放方法
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
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
US9906867B2 (en) 2015-11-16 2018-02-27 Bongiovi Acoustics Llc Surface acoustic transducer
JP2021521700A (ja) 2018-04-11 2021-08-26 ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー オーディオ強化聴力保護システム
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
CN110460937B (zh) * 2019-08-23 2021-01-26 深圳市神尔科技股份有限公司 聚焦型扬声器
EP3786631A1 (en) 2019-08-28 2021-03-03 Nederlandse Organisatie voor toegepast- natuurwetenschappelijk Onderzoek TNO Optimization of an acoustic membrane array
MX2023011774A (es) 2021-04-05 2023-11-22 Qsc Llc Serie de altavoces con sistema suspendido ajustable.
KR102664499B1 (ko) * 2023-06-29 2024-05-08 김현집 능동형 지향성 스피커 및 이를 사용하는 횡단보도 시스템
CN120897149B (zh) * 2025-10-10 2025-12-26 地球山(苏州)微电子科技有限公司 数字发声芯片的驱动系统和驱动方法

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5768991A (en) * 1980-10-16 1982-04-27 Pioneer Electronic Corp Speaker system
JPH0541897A (ja) * 1991-08-07 1993-02-19 Pioneer Electron Corp スピーカ装置およびその指向性制御方法
JPH0662488A (ja) * 1992-08-11 1994-03-04 Pioneer Electron Corp スピーカ装置
US5517570A (en) * 1993-12-14 1996-05-14 Taylor Group Of Companies, Inc. Sound reproducing array processor system
DE4343807A1 (de) * 1993-12-22 1995-06-29 Guenther Nubert Elektronic Gmb Verfahren und Vorrichtung zum Unwandeln eines elektrischen in ein akustisches Signal
NL9401860A (nl) * 1994-11-08 1996-06-03 Duran Bv Luidsprekersysteem met bestuurde richtinggevoeligheid.
FR2736499B1 (fr) * 1995-07-03 1997-09-12 France Telecom Procede de diffusion d'un son avec une directivite donnee

Also Published As

Publication number Publication date
EA002176B1 (ru) 2002-02-28
KR20010022624A (ko) 2001-03-26
TW392415B (en) 2000-06-01
SK1632000A3 (en) 2000-09-12
PL338378A1 (en) 2000-10-23
NO20000588D0 (no) 2000-02-04
AU8551998A (en) 1999-03-01
AU741154B2 (en) 2001-11-22
BR9811836A (pt) 2000-08-15
TR200000351T2 (tr) 2000-05-22
ID24975A (id) 2000-08-31
MXPA00001277A (es) 2004-04-05
EA200000195A1 (ru) 2000-10-30
HUP0101998A2 (hu) 2001-09-28
JP2001513619A (ja) 2001-09-04
AR013281A1 (es) 2000-12-13
NZ501959A (en) 2000-11-24
YU5400A (sh) 2002-03-18
ZA986927B (en) 1999-02-08
BG104072A (bg) 2000-08-31
WO1999008479A1 (en) 1999-02-18
EP1002445A1 (en) 2000-05-24
CN1266604A (zh) 2000-09-13
CA2295724A1 (en) 1999-02-18
GB9716412D0 (en) 1997-10-08
IL133985A0 (en) 2001-04-30

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Legal Events

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FC2A Withdrawal, rejection or dismissal of laid open patent application