DE69902670D1 - Akustische vorrichtung mit biegewellenmoden - Google Patents

Akustische vorrichtung mit biegewellenmoden

Info

Publication number
DE69902670D1
DE69902670D1 DE69902670T DE69902670T DE69902670D1 DE 69902670 D1 DE69902670 D1 DE 69902670D1 DE 69902670 T DE69902670 T DE 69902670T DE 69902670 T DE69902670 T DE 69902670T DE 69902670 D1 DE69902670 D1 DE 69902670D1
Authority
DE
Germany
Prior art keywords
acoustic device
fashions
bending shaft
perforate member
highly perforate
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.)
Expired - Lifetime
Application number
DE69902670T
Other languages
English (en)
Inventor
Denis Morecroft
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
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
Application granted granted Critical
Publication of DE69902670D1 publication Critical patent/DE69902670D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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; DEAF-AID SETS; 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)
  • Percussion Or Vibration Massage (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Power Steering Mechanism (AREA)
  • Details Of Audible-Bandwidth Transducers (AREA)
  • Piezo-Electric Or Mechanical Vibrators, Or Delay Or Filter Circuits (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Golf Clubs (AREA)
  • Bending Of Plates, Rods, And Pipes (AREA)
DE69902670T 1998-07-29 1999-07-26 Akustische vorrichtung mit biegewellenmoden Expired - Lifetime DE69902670D1 (de)

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
DE69902670D1 true DE69902670D1 (de) 2002-10-02

Family

ID=10836290

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69902670T Expired - Lifetime DE69902670D1 (de) 1998-07-29 1999-07-26 Akustische vorrichtung mit biegewellenmoden

Country Status (14)

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

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
US10158337B2 (en) 2004-08-10 2018-12-18 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
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
US10069471B2 (en) 2006-02-07 2018-09-04 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
US10848867B2 (en) 2006-02-07 2020-11-24 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
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
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
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
JP2018537910A (ja) 2015-11-16 2018-12-20 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 表面音響変換器
JP6010680B2 (ja) * 2015-12-04 2016-10-19 京セラ株式会社 電子機器
CN112236812A (zh) 2018-04-11 2021-01-15 邦吉欧维声学有限公司 音频增强听力保护***
US10959035B2 (en) 2018-08-02 2021-03-23 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
CZ241299A3 (cs) * 1997-01-09 1999-10-13 New Transducers Limited Budící jednotka reproduktorů

Also Published As

Publication number Publication date
CA2338690A1 (en) 2000-02-10
AU5048599A (en) 2000-02-21
US20010019617A1 (en) 2001-09-06
BR9912468A (pt) 2001-04-17
CN1308829A (zh) 2001-08-15
JP2002521992A (ja) 2002-07-16
WO2000007408A1 (en) 2000-02-10
GB9816394D0 (en) 1998-09-23
EP1101387B1 (de) 2002-08-28
KR20010072042A (ko) 2001-07-31
ATE223137T1 (de) 2002-09-15
IL140655A0 (en) 2002-02-10
MXPA01001031A (es) 2002-07-30
EP1101387A1 (de) 2001-05-23

Similar Documents

Publication Publication Date Title
DE69902670D1 (de) Akustische vorrichtung mit biegewellenmoden
DE59901093D1 (de) Implantierbarer schallrezeptor für hörhilfen
FI980649A0 (fi) Foerfarande och anordning foer att behandla riktad ljud i en akustisk virtualmiljoe
ATE294491T1 (de) Gerät mit eingebautem elektroakustischen wandler zur optimalen sprachwiedergabe
EP1221823A3 (de) Elektroakustische Wellenleiter-Wandlung
MY125969A (en) Transducer
ATE179564T1 (de) Musikinstrumente mit lautsprechern
ATE305749T1 (de) Vorrichtung zur fernüberwachung von pathologischen zuständen
MX2007003076A (es) Cojin y sistema de transmision de sonido y vibracion.
WO2001078059A3 (en) Piezoelectric biological sounds monitor
DE69601724T2 (de) Grusskarte oder dergleichen mit lautsprecher
ATE528930T1 (de) Elektroakustischer wandler
NO20004372D0 (no) Íreterminal
TW348362B (en) An acoustical piezoelectric vibrator and a speaker using the piezoelectric vibrator a piezoelectric vibrator characterized in that: a vibration control piece is secured to a piezoelectric vibration plate at the peripheral portion thereof.
DE69629814D1 (de) Lautstärkebegrenzung
GB2385409A (en) Multi-functional vibro-acoustic device
WO2004079710A3 (fr) Instrument a percussion portatif
KR200255346Y1 (ko) 진동식 구강 마이크의 구조
SE9900801D0 (sv) Larm
RU97111773A (ru) Способ выявления биофизических процессов, реализующих механизм и биофизическую (волновую) модель слуха человека
JPS52113717A (en) Electro-acoustic transducer
MX9801587A (es) Instrumentos musicales que incorporan altavoces.
SE0301541D0 (sv) Elektroakustisk omvandlare
TH42806A3 (th) ลำโพงเสียง
DE60016262D1 (de) Audiometer zur selbstanwendung durch einen patienten

Legal Events

Date Code Title Description
8332 No legal effect for de