CA2330303A1 - Method and apparatus for locating bending wave transducer means - Google Patents

Method and apparatus for locating bending wave transducer means Download PDF

Info

Publication number
CA2330303A1
CA2330303A1 CA002330303A CA2330303A CA2330303A1 CA 2330303 A1 CA2330303 A1 CA 2330303A1 CA 002330303 A CA002330303 A CA 002330303A CA 2330303 A CA2330303 A CA 2330303A CA 2330303 A1 CA2330303 A1 CA 2330303A1
Authority
CA
Canada
Prior art keywords
bending wave
transducer
bending
systematic assessment
signals
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.)
Abandoned
Application number
CA002330303A
Other languages
English (en)
French (fr)
Inventor
Henry Azima
Nicholas Patrick Roland Hill
Neil Harris
Martin Colloms
Bijan Djahansouzi
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.)
NVF Tech Ltd
Original Assignee
Individual
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
Priority claimed from GBGB9808962.6A external-priority patent/GB9808962D0/en
Priority claimed from GBGB9811959.7A external-priority patent/GB9811959D0/en
Application filed by Individual filed Critical Individual
Publication of CA2330303A1 publication Critical patent/CA2330303A1/en
Abandoned legal-status Critical Current

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/06Plane diaphragms comprising a plurality of sections or layers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R29/00Monitoring arrangements; Testing arrangements
    • H04R29/001Monitoring arrangements; Testing arrangements for loudspeakers
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R7/00Diaphragms for electromechanical transducers; Cones
    • H04R7/02Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04Plane diaphragms
    • H04R7/045Plane 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
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04RLOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; DEAF-AID SETS; PUBLIC ADDRESS SYSTEMS
    • H04R2499/00Aspects covered by H04R or H04S not otherwise provided for in their subgroups
    • H04R2499/10General applications
    • H04R2499/13Acoustic transducers and sound field adaptation in vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • General Health & Medical Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Otolaryngology (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Measurement Of Velocity Or Position Using Acoustic Or Ultrasonic Waves (AREA)
  • Measurement Of The Respiration, Hearing Ability, Form, And Blood Characteristics Of Living Organisms (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
CA002330303A 1998-04-28 1999-04-26 Method and apparatus for locating bending wave transducer means Abandoned CA2330303A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
GB9808962.6 1998-04-28
GBGB9808962.6A GB9808962D0 (en) 1998-04-28 1998-04-28 Acoustic devices
GBGB9811959.7A GB9811959D0 (en) 1998-06-04 1998-06-04 Acoustic devices
GB9811959.7 1998-06-04
PCT/GB1999/001101 WO1999056497A1 (en) 1998-04-28 1999-04-26 Method and apparatus for locating bending wave transducer means

Publications (1)

Publication Number Publication Date
CA2330303A1 true CA2330303A1 (en) 1999-11-04

Family

ID=26313542

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002330303A Abandoned CA2330303A1 (en) 1998-04-28 1999-04-26 Method and apparatus for locating bending wave transducer means

Country Status (23)

Country Link
EP (1) EP1075775A1 (tr)
JP (1) JP2002513262A (tr)
KR (1) KR20010043083A (tr)
CN (1) CN1298621A (tr)
AR (1) AR019105A1 (tr)
AU (1) AU769204B2 (tr)
BG (1) BG104864A (tr)
BR (1) BR9910082A (tr)
CA (1) CA2330303A1 (tr)
CO (1) CO4890894A1 (tr)
EA (1) EA200001113A1 (tr)
HU (1) HUP0103317A2 (tr)
ID (1) ID26889A (tr)
IL (1) IL139039A0 (tr)
MX (1) MXPA00010479A (tr)
NO (1) NO20005392L (tr)
NZ (1) NZ507081A (tr)
PL (1) PL343767A1 (tr)
SK (1) SK16182000A3 (tr)
TR (1) TR200003154T2 (tr)
TW (1) TW468356B (tr)
WO (1) WO1999056497A1 (tr)
YU (1) YU66400A (tr)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1535556A (zh) * 2001-05-11 2004-10-06 ����ת�������޹�˾ 扬声器
US7062051B2 (en) 2001-08-17 2006-06-13 New Transducers Limited Acoustic device
US11431312B2 (en) 2004-08-10 2022-08-30 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
US10158337B2 (en) 2004-08-10 2018-12-18 Bongiovi Acoustics Llc System and method for digital signal processing
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
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
US10848867B2 (en) 2006-02-07 2020-11-24 Bongiovi Acoustics Llc System and method for digital signal processing
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
US8620003B2 (en) * 2008-01-07 2013-12-31 Robert Katz Embedded audio system in distributed acoustic sources
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
US9638672B2 (en) 2015-03-06 2017-05-02 Bongiovi Acoustics Llc System and method for acquiring acoustic information from a resonating body
JP6511353B2 (ja) * 2015-07-07 2019-05-15 クラリオン株式会社 報知装置および報知方法
WO2017087495A1 (en) 2015-11-16 2017-05-26 Bongiovi Acoustics Llc Surface acoustic transducer
US9621994B1 (en) 2015-11-16 2017-04-11 Bongiovi Acoustics Llc Surface acoustic transducer
AU2019252524A1 (en) 2018-04-11 2020-11-05 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
CN117928680B (zh) * 2024-03-21 2024-06-07 青岛清万水技术有限公司 换能器自动定位方法、系统、电子设备及存储介质

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3247925A (en) * 1962-03-08 1966-04-26 Lord Corp Loudspeaker
DE1132593B (de) * 1965-04-05 1962-07-05 Bolt Beranek & Newman Akustisch wirksame Platte, insbesondere zur Ankopplung an einen elektroakustischen Wandler
JPS58182998A (ja) * 1982-04-20 1983-10-26 Pioneer Electronic Corp Mfb型スピ−カ
EP0541646B1 (en) * 1990-08-04 1995-01-11 The Secretary Of State For Defence In Her Britannic Majesty's Government Of The United Kingdom Of Great Britain And Northern Panel-form loudspeaker
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій
JP4173283B2 (ja) * 1998-01-20 2008-10-29 ニュー トランスデューサーズ リミテッド パネル部材を備えた能動音響機器

Also Published As

Publication number Publication date
YU66400A (sh) 2002-09-19
BR9910082A (pt) 2000-12-26
NO20005392D0 (no) 2000-10-26
IL139039A0 (en) 2001-11-25
JP2002513262A (ja) 2002-05-08
NO20005392L (no) 2000-12-27
BG104864A (en) 2001-04-30
PL343767A1 (en) 2001-09-10
CO4890894A1 (es) 2000-02-28
EP1075775A1 (en) 2001-02-14
MXPA00010479A (es) 2002-06-04
EA200001113A1 (ru) 2001-08-27
CN1298621A (zh) 2001-06-06
ID26889A (id) 2001-02-15
AR019105A1 (es) 2001-12-26
AU769204B2 (en) 2004-01-22
SK16182000A3 (sk) 2001-06-11
TR200003154T2 (tr) 2001-03-21
KR20010043083A (ko) 2001-05-25
WO1999056497A1 (en) 1999-11-04
NZ507081A (en) 2003-01-31
AU3613099A (en) 1999-11-16
HUP0103317A2 (hu) 2002-01-28
TW468356B (en) 2001-12-11

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Legal Events

Date Code Title Description
FZDE Discontinued