KR20000075889A - 음향장치 - Google Patents

음향장치 Download PDF

Info

Publication number
KR20000075889A
KR20000075889A KR1019997007968A KR19997007968A KR20000075889A KR 20000075889 A KR20000075889 A KR 20000075889A KR 1019997007968 A KR1019997007968 A KR 1019997007968A KR 19997007968 A KR19997007968 A KR 19997007968A KR 20000075889 A KR20000075889 A KR 20000075889A
Authority
KR
South Korea
Prior art keywords
acoustic
diaphragm
stiffness
flexural
distribution
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.)
Ceased
Application number
KR1019997007968A
Other languages
English (en)
Korean (ko)
Inventor
에이지마헨리
칼럼스마틴
해리스닐
Original Assignee
에이지마, 헨리
뉴 트랜스듀서스 리미티드
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 에이지마, 헨리, 뉴 트랜스듀서스 리미티드 filed Critical 에이지마, 헨리
Publication of KR20000075889A publication Critical patent/KR20000075889A/ko
Ceased legal-status Critical Current

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
    • H04R7/00—Diaphragms for electromechanical transducers; Cones
    • H04R7/02—Diaphragms for electromechanical transducers; Cones characterised by the construction
    • H04R7/04—Plane diaphragms
    • H04R7/06—Plane diaphragms comprising a plurality of sections or layers
    • H04R7/10—Plane diaphragms comprising a plurality of sections or layers comprising superposed layers in contact
    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04R—LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKE ACOUSTIC ELECTROMECHANICAL TRANSDUCERS; ELECTRIC HEARING AIDS; PUBLIC ADDRESS SYSTEMS
    • H04R2440/00—Bending wave transducers covered by H04R, not provided for in its groups
    • H04R2440/07—Loudspeakers using bending wave resonance and pistonic motion to generate sound

Landscapes

  • Engineering & Computer Science (AREA)
  • Multimedia (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Signal Processing (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Piezo-Electric Transducers For Audible Bands (AREA)
  • Apparatuses For Generation Of Mechanical Vibrations (AREA)
  • Sink And Installation For Waste Water (AREA)
  • Surgical Instruments (AREA)
  • Seal Device For Vehicle (AREA)
  • Surface Acoustic Wave Elements And Circuit Networks Thereof (AREA)
  • Transducers For Ultrasonic Waves (AREA)
KR1019997007968A 1997-03-04 1998-02-27 음향장치 Ceased KR20000075889A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9704486.1A GB9704486D0 (en) 1997-03-04 1997-03-04 Acoustic devices etc
GB9704486.1 1997-03-04

Publications (1)

Publication Number Publication Date
KR20000075889A true KR20000075889A (ko) 2000-12-26

Family

ID=10808687

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019997007968A Ceased KR20000075889A (ko) 1997-03-04 1998-02-27 음향장치

Country Status (29)

Country Link
EP (2) EP0965245B1 (de)
JP (1) JP2001513967A (de)
KR (1) KR20000075889A (de)
CN (1) CN1157999C (de)
AR (1) AR011920A1 (de)
AT (1) ATE231677T1 (de)
AU (1) AU735051B2 (de)
BG (1) BG103669A (de)
BR (1) BR9808169A (de)
CA (1) CA2283381A1 (de)
CZ (1) CZ310299A3 (de)
DE (1) DE69810905T2 (de)
EA (1) EA002480B1 (de)
EE (1) EE9900386A (de)
ES (1) ES2191925T3 (de)
GB (1) GB9704486D0 (de)
GE (1) GEP20022748B (de)
HU (1) HUP0002652A3 (de)
ID (1) ID20143A (de)
IL (1) IL131485A0 (de)
NO (1) NO994288D0 (de)
NZ (1) NZ336943A (de)
PL (1) PL335366A1 (de)
SK (1) SK119499A3 (de)
TR (1) TR199902177T2 (de)
TW (1) TW462199B (de)
WO (1) WO1998039947A1 (de)
YU (1) YU39599A (de)
ZA (1) ZA981662B (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100883241B1 (ko) * 2007-01-31 2009-02-10 욘 싱 인더스트리얼 컴퍼니., 리미티드. 음향의 물리적 특성을 따르는 전대역 단일체 음향막을 갖는 음향장치

Families Citing this family (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB9818959D0 (en) * 1998-09-02 1998-10-21 New Transducers Ltd Panelform loudspeaker
GB9806994D0 (en) * 1998-04-02 1998-06-03 New Transducers Ltd Acoustic device
GB2360665B (en) * 1998-06-22 2003-01-15 Slab Technology Ltd Loudspeakers
GB2351868B (en) * 1998-06-22 2001-08-29 Slab Technology Ltd Loudspeakers
GB9903044D0 (en) * 1999-02-11 1999-03-31 New Transducers Ltd Loudspeakers
GB0029098D0 (en) * 2000-11-30 2001-01-10 New Transducers Ltd Vibration transducer
US6839444B2 (en) 2000-11-30 2005-01-04 New Transducers Limited Loudspeakers
GB2386790B (en) * 2001-03-23 2004-08-18 New Transducers Ltd Bending wave acoustic radiator
US7120263B2 (en) 2001-03-23 2006-10-10 New Transducers Limited Bending wave acoustic radiator
US7002070B2 (en) 2001-06-22 2006-02-21 Shelley Katz Electronic piano
US7548854B2 (en) 2002-01-31 2009-06-16 Awi Licensing Company Architectural sound enhancement with pre-filtered masking sound
US7010143B2 (en) * 2002-08-22 2006-03-07 Tai-Yan Kam Rectangular panel-form loudspeaker and its radiating panel
AU2003202084A1 (en) * 2003-01-22 2004-08-13 Shelley Katz Apparatus and method for producing sound
WO2006011604A1 (ja) * 2004-07-30 2006-02-02 Matsushita Electric Industrial Co., Ltd. スピーカシステム、携帯端末装置および電子機器
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
US11431312B2 (en) 2004-08-10 2022-08-30 Bongiovi Acoustics Llc System and method for digital signal processing
JP4779526B2 (ja) * 2005-09-15 2011-09-28 日本電気株式会社 パネルスピーカ
US10069471B2 (en) 2006-02-07 2018-09-04 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
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
JP4793018B2 (ja) * 2006-02-20 2011-10-12 パナソニック株式会社 振動板とそれを用いたスピーカ
DE102007041850A1 (de) * 2007-09-03 2009-03-05 Robert Bosch Gmbh Ultraschallsensor mit einem Trägerelement und einer Membran, wobei die Membran in das Trägerelement eingebettet ist
GB0811015D0 (en) * 2008-06-17 2008-07-23 Deben Acoustics Improved acoustic device
EP2609485B1 (de) 2010-08-23 2021-03-10 Nokia Technologies Oy Vorrichtung und verfahren zur bereitstellung von haptischem feedback und audiofeedback bei einer berührungsempfindlichen benutzerschnittstelle
EP2461220B1 (de) * 2010-12-02 2019-11-06 Montres Breguet SA Schallabstrahlungsmembran für eine Spieluhr oder eine Armbanduhr mit Schlagwerk
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
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
US10639000B2 (en) 2014-04-16 2020-05-05 Bongiovi Acoustics Llc Device for wide-band auscultation
US9628917B2 (en) 2014-07-23 2017-04-18 Bose Corporation Sound producing system
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
DE102015217778B4 (de) * 2015-09-17 2019-05-29 Robert Bosch Gmbh Akustischer Sensor mit einer Membran und einem elektroakustischen Wandler
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
GB2564061B (en) * 2016-06-27 2020-12-16 Amina Tech Limited Speaker panel
GB2551723B (en) * 2016-06-27 2018-11-28 Amina Tech Limited Speaker Panel
EP3273210B1 (de) * 2016-07-18 2022-05-18 VEGA Grieshaber KG Vibrationsgrenzstandsschalter und verfahren zur herstellung eines vibrationsgrenzstandsschalter
GB2568282B (en) 2017-11-10 2020-11-25 Amina Tech Limited Flat panel loudspeaker
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
CN112102717B (zh) * 2019-06-17 2023-10-20 海信视像科技股份有限公司 显示装置及可发声屏幕
WO2022121590A1 (zh) * 2020-12-09 2022-06-16 青岛海信激光显示股份有限公司 发声板及投影屏幕
CN112584288B (zh) * 2020-12-09 2023-03-14 青岛海信激光显示股份有限公司 发声板及投影屏幕
CN113642202A (zh) * 2021-06-29 2021-11-12 东风汽车集团股份有限公司 一种变厚度薄板

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5568795A (en) * 1978-11-20 1980-05-23 Sony Corp Speaker
GB2074812B (en) * 1980-04-21 1984-01-04 Matsushita Electric Industrial Co Ltd Method of manufacturing a speaker diaphragm
JPH01311795A (ja) * 1988-06-10 1989-12-15 Minebea Co Ltd スピーカ用振動板
ATE117155T1 (de) * 1990-08-04 1995-01-15 Secr Defence Brit Paneelförmiger lautsprecher.
UA51671C2 (uk) * 1995-09-02 2002-12-16 Нью Транзд'Юсез Лімітед Акустичний пристрій

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100883241B1 (ko) * 2007-01-31 2009-02-10 욘 싱 인더스트리얼 컴퍼니., 리미티드. 음향의 물리적 특성을 따르는 전대역 단일체 음향막을 갖는 음향장치

Also Published As

Publication number Publication date
NZ336943A (en) 2001-02-23
AR011920A1 (es) 2000-09-13
AU735051B2 (en) 2001-06-28
AU6305398A (en) 1998-09-22
ES2191925T3 (es) 2003-09-16
EA002480B1 (ru) 2002-06-27
JP2001513967A (ja) 2001-09-04
EP1133212A3 (de) 2006-01-11
BR9808169A (pt) 2000-05-16
HUP0002652A3 (en) 2001-11-28
BG103669A (en) 2000-03-31
DE69810905T2 (de) 2003-12-24
HUP0002652A2 (hu) 2000-12-28
CN1157999C (zh) 2004-07-14
TR199902177T2 (xx) 2000-01-21
CN1249892A (zh) 2000-04-05
SK119499A3 (en) 2000-08-14
ATE231677T1 (de) 2003-02-15
GB9704486D0 (en) 1997-04-23
ZA981662B (en) 1998-09-03
CZ310299A3 (cs) 1999-12-15
GEP20022748B (en) 2002-07-25
EP1133212A2 (de) 2001-09-12
HK1022398A1 (en) 2000-08-04
ID20143A (id) 1998-10-08
EP0965245B1 (de) 2003-01-22
NO994288L (no) 1999-09-03
IL131485A0 (en) 2001-01-28
WO1998039947A1 (en) 1998-09-11
NO994288D0 (no) 1999-09-03
EE9900386A (et) 2000-04-17
TW462199B (en) 2001-11-01
EA199900793A1 (ru) 2000-04-24
CA2283381A1 (en) 1998-09-11
DE69810905D1 (de) 2003-02-27
YU39599A (sh) 2001-12-26
PL335366A1 (en) 2000-04-25
EP0965245A1 (de) 1999-12-22

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Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 19990902

Patent event code: PA01051R01D

Comment text: International Patent Application

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 20030225

Comment text: Request for Examination of Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20050426

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 20050705

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 20050426

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I